:root {
  color-scheme: dark;
  --bg: #0d1110;
  --panel: #171d1c;
  --panel-2: #202827;
  --line: rgba(255, 255, 255, 0.11);
  --text: #fbf8ef;
  --muted: #aeb8b6;
  --accent: #24d6b5;
  --accent-2: #ffd45a;
  --warn: #ff6370;
  --ok: #8ae66e;
  --ink: #071311;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  background:
    radial-gradient(circle at 12% 0%, rgba(36, 214, 181, 0.18), transparent 24rem),
    radial-gradient(circle at 88% 12%, rgba(255, 212, 90, 0.11), transparent 20rem),
    linear-gradient(135deg, #0d1110 0%, #121817 48%, #0b0f10 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input {
  font: inherit;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

button {
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 44px;
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
  transition:
    transform 140ms ease,
    border-color 140ms ease,
    background 140ms ease;
}

button:hover,
.icon-action:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.primary {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
  font-weight: 800;
}

.app-shell {
  width: min(1440px, 100%);
  min-height: 100vh;
  min-height: 100dvh;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right)) max(20px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
  display: grid;
  gap: 14px;
  grid-template-rows: auto minmax(320px, 1fr) auto auto auto;
}

.topbar,
.control-band,
.statusbar,
.panel,
.metric-panel {
  border: 1px solid var(--line);
  background: rgba(23, 29, 28, 0.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.topbar {
  min-height: 86px;
  border-radius: 8px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  overflow: visible;
}

.topbar > div:first-child {
  order: 1;
  margin-right: auto;
}

.topbar .score-pill {
  order: 2;
}

.role-tabs {
  display: flex;
  gap: 8px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.account-switch {
  order: 3;
  justify-self: end;
  align-self: flex-start;
}

.role-tab {
  min-height: 38px;
  padding: 0 14px;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
}

.role-tab.active {
  background: var(--accent);
  color: var(--ink);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(1.7rem, 4vw, 3rem);
}

h2 {
  font-size: 1.25rem;
}

.score-pill {
  min-width: 100%;
  min-height: 148px;
  border-radius: 8px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px 16px;
  padding: 18px 18px;
  background:
    radial-gradient(circle at 12% 8%, rgba(255, 255, 255, 0.66), transparent 4.5rem),
    linear-gradient(135deg, #fff4b0, var(--accent-2));
  color: #16110a;
  border: 1px solid rgba(255, 255, 255, 0.5);
  text-align: left;
  cursor: pointer;
}

.score-pill:hover {
  filter: brightness(1.02);
}

.score-pill .level-badge {
  justify-self: end;
  font-size: 2.15rem;
  font-weight: 900;
  line-height: 1;
}

.score-pill strong {
  font-size: 0.95rem;
}

.score-pill small {
  color: #3d444d;
  font-weight: 700;
  font-size: 0.72rem;
}

.level-open-hint {
  opacity: 0.78;
}

.level-profile-card {
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.level-profile-main {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.level-profile-main h2 {
  color: #16110a;
  font-size: 1.55rem;
}

.level-profile-main .eyebrow {
  color: rgba(22, 17, 10, 0.78);
  margin: 0;
}

.level-profile-main strong {
  color: #3d444d;
}

.level-card .profile-badge {
  width: 66px;
  height: 66px;
  background: rgba(22, 17, 10, 0.9);
  color: #fff4b0;
}

.level-card .level-progress,
.level-card .level-motivation,
.level-card #levelNextValue {
  grid-column: 1 / -1;
}

.level-card .level-motivation {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 850;
}

.level-total-stars {
  grid-column: 2 / -1;
  justify-self: end;
  align-self: end;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(22, 17, 10, 0.14);
  color: #16110a;
  font-size: 0.95rem;
  font-weight: 900;
}

.level-progress {
  height: 7px;
  border-radius: 999px;
  background: rgba(22, 17, 10, 0.22);
  overflow: hidden;
}

.level-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: #16110a;
  transition: width 220ms ease;
}

.progress-card {
  max-width: min(620px, calc(100vw - 28px));
}

.level-history {
  width: 100%;
  max-height: min(58vh, 620px);
  overflow: auto;
  display: grid;
  gap: 8px;
  padding-right: 4px;
}

.level-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  background: rgba(255, 255, 255, 0.045);
}

.level-row strong {
  font-size: 0.95rem;
}

.level-row span {
  color: var(--muted);
  font-weight: 800;
}

.level-row small {
  color: var(--muted);
  font-weight: 800;
}

.level-row.completed {
  border-color: rgba(45, 212, 191, 0.45);
}

.level-row.current {
  border-color: rgba(255, 212, 90, 0.65);
  background: rgba(255, 212, 90, 0.1);
}

.level-row.locked {
  opacity: 0.68;
}

.stage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
  min-height: 0;
}

.app-shell.practice-focus .stage-grid {
  grid-template-columns: minmax(0, 1fr);
}

.app-shell.practice-focus .stage-grid .studio-panel:first-child {
  min-height: min(760px, 74vh);
}

.app-shell.practice-focus .stage-grid .studio-panel + .studio-panel,
.app-shell.practice-focus .metrics-grid {
  display: none;
}

.app-shell.practice-focus #teacherCanvas {
  opacity: 0;
}

.student-dashboard,
.teacher-dashboard {
  display: grid;
  gap: 14px;
}

.student-dashboard[hidden],
.teacher-dashboard[hidden] {
  display: none;
}

#studentAccountContent {
  display: grid;
  gap: 14px;
}

#studentAccountContent[hidden] {
  display: none;
}

.onboarding-panel {
  overflow: hidden;
}

.onboarding-invite {
  padding: 18px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 212, 90, 0.08);
}

.onboarding-invite h2,
.form-heading h2 {
  margin: 3px 0 5px;
  line-height: 1.05;
}

.onboarding-invite span {
  color: var(--muted);
  font-weight: 750;
}

.invite-logo {
  width: 66px;
  height: 66px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: var(--accent-2);
  font-size: 1.65rem;
  font-weight: 1000;
}

.profile-form {
  padding: 18px;
  display: grid;
  gap: 18px;
}

.profile-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.profile-form label {
  display: grid;
  gap: 7px;
}

.profile-form label > span,
.dance-style-fieldset legend {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
}

.profile-form input[type="text"],
.profile-form input[type="number"],
.profile-form input[type="date"] {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.055);
  color: var(--text);
  font: inherit;
  font-weight: 800;
}

.dance-style-fieldset {
  margin: 0;
  border: 0;
  padding: 0;
}

.dance-style-fieldset legend {
  margin-bottom: 10px;
}

.style-check-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.style-check {
  position: relative;
}

.style-check input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.style-check span {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
  background: rgba(255, 255, 255, 0.04);
}

.style-check input:checked + span {
  border-color: var(--accent);
  color: var(--ink);
  background: var(--accent);
}

.profile-consent {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
}

.profile-consent input {
  width: 22px;
  height: 22px;
  accent-color: var(--accent);
}

.profile-submit {
  min-height: 52px;
}

.app-shell.teacher-mode .stage-grid {
  grid-template-columns: minmax(0, 1fr);
}

.app-shell.teacher-mode:not(.teacher-lesson-open) .stage-grid,
.app-shell.teacher-mode:not(.teacher-lesson-open) .pipeline-steps,
.app-shell.teacher-mode:not(.teacher-lesson-open) .setup-panel,
.app-shell.teacher-mode:not(.teacher-lesson-open) .teacher-students-panel,
.app-shell.teacher-mode:not(.teacher-lesson-open) .statusbar {
  display: none;
}

.app-shell.teacher-mode .student-studio-panel,
.app-shell.teacher-mode .control-band,
.app-shell.teacher-mode .metrics-grid {
  display: none;
}

.teacher-students-panel {
  overflow: hidden;
}

.student-progress-list {
  padding: 12px;
  display: grid;
  gap: 8px;
}

.student-progress-row {
  min-height: 64px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 12px;
  align-items: center;
  background: rgba(255, 255, 255, 0.045);
}

.student-progress-row strong,
.student-progress-row small {
  display: block;
  line-height: 1.2;
}

.student-progress-row small {
  margin-top: 4px;
  color: var(--muted);
  font-weight: 750;
}

.student-progress-row b {
  color: var(--text);
  text-align: right;
  white-space: nowrap;
}

.lesson-status {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 9px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.045);
}

.lesson-status.passed {
  border-color: rgba(36, 214, 181, 0.48);
  color: var(--accent);
  background: rgba(36, 214, 181, 0.08);
}

.lesson-status.learning,
.lesson-status.viewed {
  border-color: rgba(255, 212, 90, 0.42);
  color: var(--accent-2);
  background: rgba(255, 212, 90, 0.08);
}

.app-shell.teacher-mode .stage-grid .studio-panel:first-child {
  min-height: min(760px, 74vh);
}

.app-shell.student-mode .pipeline-steps,
.app-shell.student-mode .setup-panel {
  display: none;
}

.app-shell.student-mode.student-onboarding .stage-grid,
.app-shell.student-mode.student-onboarding .control-band,
.app-shell.student-mode.student-onboarding .metrics-grid,
.app-shell.student-mode.student-onboarding .statusbar,
.app-shell.student-mode.student-onboarding .teacher-students-panel {
  display: none;
}

.cabinet-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent 48%),
    rgba(23, 29, 28, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.cabinet-card span {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.35;
}

.profile-badge {
  width: 58px;
  height: 58px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--ink);
  font-size: 1.45rem;
  font-weight: 900;
}

.cabinet-progress {
  min-width: 116px;
  border: 1px solid rgba(255, 212, 90, 0.38);
  border-radius: 8px;
  padding: 10px 12px;
  display: grid;
  gap: 2px;
  background: rgba(255, 212, 90, 0.08);
}

.cabinet-progress strong {
  color: var(--accent-2);
  font-size: 1.4rem;
  line-height: 1;
}

.publish-button {
  min-width: 150px;
  background: rgba(255, 255, 255, 0.06);
}

.teacher-space-panel {
  overflow: hidden;
}

.teacher-space-panel > .studio-channel {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

.teacher-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1.25;
  text-transform: uppercase;
}

.teacher-breadcrumb button {
  min-height: 0;
  border: 0;
  padding: 0;
  color: var(--accent);
  background: transparent;
  font: inherit;
}

.teacher-breadcrumb span {
  color: var(--muted);
}

.teacher-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.ghost-action {
  min-height: 44px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.055);
}

.create-main-button,
.small-plus-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--ink);
}

.create-main-button span,
.small-plus-button span {
  font-size: 1.35rem;
  line-height: 1;
}

.teacher-workspace {
  border-top: 1px solid var(--line);
  padding: 12px;
  display: grid;
  gap: 12px;
}

.studio-channel {
  display: grid;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.025);
}

.studio-channel[hidden] {
  display: none;
}

.studio-channel-cover {
  min-height: 240px;
  position: relative;
  z-index: 2;
  overflow: visible;
  background: linear-gradient(135deg, #176c5e, #21332e 55%, #8a722d);
}

.studio-channel-cover-image,
.studio-channel-cover-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.studio-channel-cover-image {
  display: block;
  object-fit: cover;
  object-position: center;
}

.studio-channel-cover-image[hidden] {
  display: none;
}

.studio-channel-cover-shade {
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 38%, rgba(4, 7, 6, 0.76));
}

.studio-channel-logo {
  width: 116px;
  height: 116px;
  position: absolute;
  z-index: 2;
  left: 24px;
  bottom: -42px;
  border: 5px solid var(--panel);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--ink);
  background-color: var(--accent-2);
  background-position: center;
  background-size: cover;
  font-size: 2.2rem;
  font-weight: 1000;
}

.studio-cover-edit,
.studio-logo-edit {
  width: 48px;
  min-width: 48px;
  min-height: 48px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.46);
  display: grid;
  place-items: center;
  color: #10120f;
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.74), transparent 2rem),
    rgba(255, 255, 255, 0.72);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.16);
  opacity: 0;
  transform: translateY(4px) scale(0.94);
  transition: opacity 160ms ease, transform 160ms ease, background 160ms ease;
}

.studio-cover-edit {
  position: absolute;
  z-index: 4;
  right: 18px;
  top: 18px;
}

.studio-logo-edit {
  position: absolute;
  z-index: 5;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%) scale(0.92);
  color: #fffaf2;
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.18), transparent 2rem),
    rgba(16, 18, 15, 0.7);
  border-color: rgba(255, 255, 255, 0.34);
  backdrop-filter: blur(10px);
}

.studio-channel-cover:hover .studio-cover-edit,
.studio-channel-cover:focus-within .studio-cover-edit {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.studio-channel-logo:hover .studio-logo-edit,
.studio-channel-logo:focus-within .studio-logo-edit {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.studio-cover-edit:hover,
.studio-cover-edit:focus-visible,
.studio-logo-edit:hover,
.studio-logo-edit:focus-visible {
  opacity: 1;
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.72), transparent 2rem),
    linear-gradient(135deg, var(--accent), var(--accent-2));
}

.studio-channel-copy {
  min-height: 178px;
  position: relative;
  z-index: 1;
  padding: 54px 24px 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  align-items: center;
  background:
    linear-gradient(110deg, rgba(36, 214, 181, 0.035), transparent 42%),
    #171d1c;
}

.studio-channel-copy h3 {
  margin: 5px 0 10px;
  font-size: clamp(2rem, 5vw, 3.45rem);
  line-height: 1;
}

.studio-channel-identity {
  min-width: 0;
}

.studio-channel-copy p:not(.eyebrow),
.studio-channel-facts,
.studio-fact small {
  color: var(--muted);
  font-weight: 750;
  line-height: 1.4;
}

.studio-channel-identity > p:not(.eyebrow) {
  max-width: 620px;
  margin: 0;
  font-size: 1rem;
}

.studio-profile-status {
  width: fit-content;
  margin-top: 16px;
  border: 1px solid rgba(36, 214, 181, 0.25);
  border-radius: 999px;
  padding: 7px 10px;
  display: inline-flex;
  gap: 7px;
  align-items: center;
  color: var(--accent);
  background: rgba(36, 214, 181, 0.07);
  font-size: 0.72rem;
  font-weight: 900;
}

.studio-profile-status i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(36, 214, 181, 0.12);
}

.studio-channel-facts {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 28px;
  padding-left: 28px;
  text-align: left;
}

.studio-channel-facts::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(var(--accent), var(--accent-2));
}

.studio-fact {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 11px;
  align-items: center;
}

.studio-fact-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: rgba(36, 214, 181, 0.1);
  font-size: 0.9rem;
  font-weight: 1000;
}

.studio-fact:nth-child(even) .studio-fact-icon {
  color: var(--accent-2);
  background: rgba(255, 212, 90, 0.1);
}

.studio-fact small {
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.studio-fact strong {
  display: block;
  margin-top: 3px;
  color: var(--text);
  line-height: 1.2;
}

.studio-channel-facts a {
  grid-column: 1 / -1;
  width: fit-content;
  border-bottom: 1px solid currentColor;
  color: var(--accent);
  font-weight: 900;
}

.studio-channel-section {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  display: grid;
  gap: 14px;
  background: rgba(255, 255, 255, 0.025);
}

.section-heading h3,
.studio-channel-section h3 {
  margin: 3px 0 0;
}

.studio-create-fields {
  display: grid;
  gap: 14px;
}

.studio-create-fields[hidden] {
  display: none;
}

.create-card:has(.studio-create-fields:not([hidden])) {
  width: min(620px, 100%);
  max-height: min(860px, 88vh);
  overflow-y: auto;
}

.workspace-side,
.teachers-card,
.invite-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.045);
}

.teacher-folder-view {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.36fr);
  gap: 12px;
  align-items: start;
}

.teacher-folder-view[hidden] {
  display: none;
}

.teacher-folder-view[data-teacher-view="root"],
.teacher-folder-view[data-teacher-view="studio"],
.teacher-folder-view.lesson-view {
  grid-template-columns: minmax(0, 1fr);
}

.teacher-empty-note,
.lesson-open-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: center;
  background: rgba(255, 255, 255, 0.045);
}

.teacher-empty-note strong,
.lesson-open-card h3 {
  display: block;
  margin: 0 0 4px;
  font-size: clamp(1.2rem, 3vw, 1.65rem);
  line-height: 1.05;
}

.teacher-empty-note small,
.lesson-open-card span {
  color: var(--muted);
  font-weight: 800;
  line-height: 1.35;
}

.workspace-root {
  border: 1px solid rgba(255, 212, 90, 0.35);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  background:
    linear-gradient(135deg, rgba(255, 212, 90, 0.14), transparent 50%),
    rgba(255, 255, 255, 0.045);
}

.workspace-root h3 {
  margin: 2px 0 6px;
  font-size: clamp(1.25rem, 3vw, 2rem);
  line-height: 1;
}

.small-plus-button {
  min-height: 42px;
  padding: 0 12px;
}

.folder-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  background: rgba(255, 212, 90, 0.14);
  color: var(--accent-2);
  font-weight: 1000;
  overflow: hidden;
}

.folder-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.folder-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.folder-card {
  min-height: 176px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  text-align: left;
  background:
    linear-gradient(135deg, rgba(36, 214, 181, 0.055), transparent 55%),
    rgba(255, 255, 255, 0.04);
  color: var(--text);
}

.folder-card:hover {
  background:
    linear-gradient(135deg, rgba(36, 214, 181, 0.09), transparent 58%),
    rgba(255, 255, 255, 0.055);
}

.folder-card .folder-icon {
  width: 84px;
  height: 84px;
  border: 1px solid rgba(255, 212, 90, 0.3);
  background: rgba(255, 212, 90, 0.12);
  font-size: 1.65rem;
}

.folder-icon b {
  color: var(--accent-2);
  font-size: 2.2rem;
  line-height: 1;
}

.folder-card-subgroup .folder-icon,
.folder-card-lesson .folder-icon {
  border-color: rgba(36, 214, 181, 0.3);
  color: var(--accent);
  background: rgba(36, 214, 181, 0.1);
}

.folder-card-subgroup .folder-icon b {
  color: var(--accent);
}

.folder-card-copy {
  min-width: 0;
  display: grid;
  gap: 7px;
}

.folder-card-type {
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.folder-card strong {
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  line-height: 1.02;
}

.folder-card-note {
  color: var(--muted);
  font-size: 0.96rem;
  font-weight: 750;
  line-height: 1.35;
}

.folder-card-arrow {
  color: var(--accent-2);
  font-size: 2.4rem;
  font-weight: 400;
  line-height: 1;
}

.folder-card.active {
  border-color: rgba(36, 214, 181, 0.62);
  background: rgba(36, 214, 181, 0.09);
}

.folder-card.add-folder {
  border-style: dashed;
}

.folder-card.add-folder > span:first-child {
  width: 84px;
  height: 84px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: rgba(36, 214, 181, 0.12);
  color: var(--accent);
  font-size: 1.6rem;
  font-weight: 1000;
}

.workspace-side {
  display: grid;
  gap: 12px;
  align-content: start;
}

.teachers-card {
  display: grid;
  gap: 7px;
}

.teachers-card strong {
  font-size: 1.1rem;
  line-height: 1.1;
}

.workspace-root span:not(.folder-icon),
.teachers-card span,
.invite-card small {
  color: var(--muted);
  font-weight: 800;
  line-height: 1.35;
}

.teachers-card button {
  margin-top: 4px;
  min-height: 42px;
  background: rgba(255, 255, 255, 0.07);
}

.invite-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.invite-card strong {
  display: block;
  line-height: 1.1;
}

.invite-card button {
  min-height: 44px;
  padding: 0 14px;
  background: var(--accent);
  color: var(--ink);
}

.qr-mock {
  width: 58px;
  height: 58px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 6px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 5px;
  background: #f6fff9;
}

.qr-mock span {
  min-width: 0;
  border-radius: 3px;
  background: #07110f;
}

.pipeline-steps,
.lesson-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}

.lesson-flow {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.pipeline-step,
.flow-step {
  min-height: 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
  align-items: center;
  background: rgba(255, 255, 255, 0.045);
}

.pipeline-step strong,
.flow-step strong {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.pipeline-step span,
.flow-step span {
  color: var(--muted);
  font-weight: 900;
  line-height: 1.15;
}

.pipeline-step.active,
.flow-step.active {
  border-color: rgba(36, 214, 181, 0.72);
  background: rgba(36, 214, 181, 0.1);
}

.pipeline-step.active strong,
.flow-step.active strong {
  background: var(--accent);
  color: var(--ink);
}

.pipeline-step.completed,
.flow-step.completed {
  border-color: rgba(255, 212, 90, 0.45);
  background: rgba(255, 212, 90, 0.08);
}

.pipeline-step.completed strong,
.flow-step.completed strong {
  background: var(--accent-2);
  color: var(--ink);
}

.dance-feed {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  display: grid;
  gap: 12px;
  background:
    linear-gradient(135deg, rgba(36, 214, 181, 0.14), transparent 42%),
    rgba(23, 29, 28, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.feed-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 12px;
}

.school-chip {
  border: 1px solid rgba(36, 214, 181, 0.36);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--text);
  font-weight: 900;
  white-space: nowrap;
  background: rgba(36, 214, 181, 0.08);
}

.dance-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.dance-card {
  min-height: 340px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: stretch;
  background: rgba(255, 255, 255, 0.045);
}

.dance-card.active {
  border-color: rgba(36, 214, 181, 0.75);
  background:
    linear-gradient(135deg, rgba(36, 214, 181, 0.14), rgba(255, 212, 90, 0.08)),
    rgba(255, 255, 255, 0.045);
  box-shadow: inset 0 0 0 1px rgba(36, 214, 181, 0.18);
}

.dance-preview {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--ink);
  font-size: 1.6rem;
  font-weight: 900;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.62), transparent 2.8rem),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  overflow: hidden;
}

.dance-preview img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}

.dance-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.58)),
    radial-gradient(circle at 50% 50%, transparent 36%, rgba(0, 0, 0, 0.28));
}

.play-glyph {
  position: relative;
  z-index: 1;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(7, 19, 17, 0.68);
  color: var(--text);
  box-shadow: 0 12px 38px rgba(0, 0, 0, 0.32);
}

.dance-preview small {
  position: absolute;
  left: 7px;
  bottom: 7px;
  z-index: 1;
  border-radius: 999px;
  padding: 4px 7px;
  background: rgba(7, 19, 17, 0.72);
  color: var(--text);
  font-size: 0.65rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.dance-preview.secondary {
  background: linear-gradient(135deg, #343942, #6b7280);
  color: var(--text);
}

.dance-preview.secondary img {
  filter: grayscale(1) brightness(0.72);
}

.dance-preview.warm {
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.5), transparent 3rem),
    linear-gradient(135deg, #ff6370, #ffd45a);
}

.dance-preview.warm img {
  filter: hue-rotate(18deg) saturate(1.18) brightness(0.95);
}

.dance-info {
  min-width: 0;
  display: grid;
  gap: 7px;
  align-content: start;
}

.dance-info .eyebrow {
  margin: 0;
}

.dance-info strong {
  display: block;
  font-size: 1.35rem;
  line-height: 1.1;
}

.dance-info span {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.35;
}

.dance-stars {
  color: var(--accent-2);
  font-weight: 900;
  letter-spacing: 0.04em;
}

.dance-stars.muted {
  color: #6f7782;
}

.dance-cta {
  width: 100%;
  min-height: 50px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--ink);
  border-color: transparent;
  font-size: 1rem;
}

.dance-cta.subtle {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  border-color: var(--line);
}

.setup-panel {
  overflow: hidden;
}

.setup-body {
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(4, minmax(190px, 1fr));
  gap: 12px;
}

.upload-drop,
.marker-box,
.review-box {
  min-height: 126px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.045);
  padding: 14px;
  display: grid;
  align-content: center;
  gap: 8px;
}

.upload-drop {
  position: relative;
  cursor: default;
}

.upload-drop input {
  position: relative;
  z-index: 4;
  width: 100%;
  opacity: 1;
  cursor: pointer;
  color: var(--muted);
  font-weight: 800;
}

.upload-drop input::file-selector-button {
  min-height: 38px;
  margin-right: 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 12px;
  background: var(--accent);
  color: var(--ink);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.upload-drop strong,
.marker-box strong,
.review-box strong {
  font-size: 1.2rem;
  line-height: 1.1;
}

.upload-drop span,
.marker-box span,
.review-box span {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.35;
}

.upload-drop small {
  width: fit-content;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  padding: 5px 8px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 900;
  line-height: 1;
  background: rgba(255, 255, 255, 0.045);
}

.upload-preview {
  position: relative;
  z-index: 3;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin-top: 2px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: block;
  background: #050707;
  object-fit: contain;
}

.upload-preview[hidden] {
  display: none;
}

.upload-drop.is-ready small {
  border-color: rgba(36, 214, 181, 0.45);
  color: var(--accent);
  background: rgba(36, 214, 181, 0.08);
}

.upload-drop.is-processing small {
  border-color: rgba(255, 212, 90, 0.5);
  color: var(--accent-2);
  background: rgba(255, 212, 90, 0.08);
}

.upload-drop.is-error small {
  border-color: rgba(255, 99, 112, 0.5);
  color: var(--warn);
  background: rgba(255, 99, 112, 0.08);
}

.marker-box {
  align-content: start;
}

.marker-box .eyebrow,
.marker-box > span {
  grid-column: 1 / -1;
}

.timeline-readout {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.timeline-readout.current-range {
  grid-template-columns: 58px auto auto auto;
}

.timeline-readout small {
  color: var(--muted);
  font-weight: 900;
}

.timeline-readout span {
  color: var(--muted);
  font-weight: 900;
}

.video-mode-tabs {
  display: flex;
  gap: 8px;
  align-items: center;
}

.video-mode-tab {
  min-height: 40px;
  padding: 0 13px;
  color: var(--muted);
}

.video-mode-tab.active {
  background: var(--accent);
  color: var(--ink);
  border-color: transparent;
}

.video-marker-bar {
  min-height: 132px;
  border-top: 1px solid var(--line);
  padding: 12px;
  display: grid;
  grid-template-columns: 48px auto minmax(180px, 1fr);
  gap: 10px 12px;
  align-items: center;
  background: linear-gradient(180deg, rgba(5, 8, 8, 0.74), rgba(4, 6, 7, 0.92));
}

.video-time {
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 900;
  white-space: nowrap;
}

.transport-button {
  width: 46px;
  min-height: 46px;
  padding: 0;
  border-color: transparent;
  background: transparent;
  font-size: 1.45rem;
}

.timeline-shell {
  position: relative;
  min-height: 34px;
  display: grid;
  align-items: center;
}

.teacher-seek {
  --progress: 0%;
  width: 100%;
  height: 28px;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: pointer;
  accent-color: var(--text);
}

.teacher-seek::-webkit-slider-runnable-track {
  height: 7px;
  border-radius: 999px;
  background:
    linear-gradient(90deg, var(--accent-2) 0 var(--progress), rgba(255, 255, 255, 0.34) var(--progress) 100%);
}

.teacher-seek::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  margin-top: -4.5px;
  border: 2px solid #111318;
  border-radius: 50%;
  background: var(--text);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.18);
}

.teacher-seek::-moz-range-track {
  height: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
}

.teacher-seek::-moz-range-progress {
  height: 7px;
  border-radius: 999px;
  background: var(--text);
}

.teacher-seek::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 2px solid #111318;
  border-radius: 50%;
  background: var(--text);
}

.marker-tick {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  transform: translateX(-50%);
  border-radius: 999px;
  pointer-events: none;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.45);
}

.marker-tick.start {
  background: var(--accent-2);
}

.marker-tick.end {
  background: var(--warn);
}

.timeline-actions,
.view-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.timeline-actions {
  grid-column: 1 / 4;
}

.timeline-actions button {
  flex: 1 1 150px;
}

.view-toggles {
  grid-column: 1 / 4;
  justify-content: flex-end;
}

.check-toggle {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-weight: 800;
  background: rgba(255, 255, 255, 0.045);
}

.check-toggle input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.scan-overlay {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(11, 13, 16, 0.82);
  backdrop-filter: blur(10px);
  color: var(--text);
}

.scan-overlay[hidden] {
  display: none;
}

.loader-ring {
  grid-row: span 2;
  width: 34px;
  height: 34px;
  border: 4px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 900ms linear infinite;
}

.scan-overlay strong {
  font-size: 1.1rem;
  line-height: 1;
}

.scan-overlay span {
  color: var(--muted);
  font-weight: 800;
  line-height: 1.25;
}

.is-hidden-layer {
  opacity: 0;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.panel,
.metric-panel {
  border-radius: 8px;
  overflow: hidden;
}

.studio-panel {
  min-height: 320px;
  display: grid;
  grid-template-rows: auto minmax(240px, 1fr) auto;
}

.student-studio-panel {
  grid-template-rows: auto auto minmax(240px, 1fr) auto;
}

.student-exam-submit {
  display: none;
}

.panel-head {
  min-height: 72px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.icon-action {
  position: relative;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--panel-2);
  color: var(--text);
  font-size: 1.35rem;
  cursor: pointer;
  padding: 0;
}

.icon-action input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.student-upload {
  margin: 12px 14px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 800;
  background: rgba(255, 255, 255, 0.045);
}

.student-upload input {
  width: 100%;
  color: var(--muted);
  font-weight: 800;
}

.video-frame {
  position: relative;
  min-height: 100%;
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.04) 25%, transparent 25%),
    #070a0b;
  background-size: 28px 28px;
  overflow: hidden;
}

.countdown-overlay {
  position: fixed;
  inset: 0;
  z-index: 18;
  display: grid;
  place-items: center;
  padding: 22px;
  background:
    radial-gradient(circle at 50% 42%, rgba(36, 214, 181, 0.18), transparent 17rem),
    rgba(0, 0, 0, 0.42);
}

.countdown-overlay[hidden] {
  display: none;
}

.countdown-card {
  width: min(320px, 100%);
  min-height: 300px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 22px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04)),
    rgba(14, 18, 18, 0.72);
  backdrop-filter: blur(12px);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.52);
}

.countdown-card p,
.countdown-card span {
  margin: 0;
  color: var(--muted);
  font-weight: 900;
}

.countdown-card p {
  color: var(--text);
  font-size: 1.1rem;
}

.countdown-card strong {
  width: 148px;
  height: 148px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--ink);
  font-size: clamp(3.4rem, 13vw, 5.2rem);
  line-height: 1;
  box-shadow: 0 0 0 12px rgba(36, 214, 181, 0.12);
  animation: countdownPulse 920ms ease both;
}

.countdown-card strong.is-word {
  font-size: 2.1rem;
}

@keyframes countdownPulse {
  0% {
    transform: scale(0.72);
    opacity: 0;
  }

  28% {
    transform: scale(1.08);
    opacity: 1;
  }

  100% {
    transform: scale(1);
    opacity: 1;
  }
}

video,
canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

canvas {
  pointer-events: none;
}

.upload-drop .upload-preview {
  position: relative;
  inset: auto;
  width: 100%;
  height: auto;
  object-fit: contain;
}

#studentVideo.mirrored,
#studentCanvas.mirrored {
  transform: scaleX(-1);
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 800;
  font-size: clamp(1rem, 3vw, 2rem);
}

.empty-state[hidden] {
  display: none;
}

.control-band {
  border-radius: 8px;
  padding: 12px;
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(280px, 1fr) auto;
  gap: 12px;
  align-items: center;
}

.control-group {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 8px;
}

.control-group button {
  width: 100%;
  min-height: 52px;
}

.control-group #danceButton {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-color: transparent;
  color: var(--ink);
  font-size: 1.05rem;
}

.control-group #practiceButton {
  background: rgba(255, 255, 255, 0.08);
}

.sliders {
  display: grid;
  grid-template-columns: repeat(2, minmax(160px, 1fr));
  gap: 10px;
}

.sliders label {
  display: grid;
  grid-template-columns: 72px minmax(80px, 1fr) 56px;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-weight: 700;
  min-width: 0;
}

input[type="range"] {
  accent-color: var(--accent);
}

.sliders strong {
  color: var(--text);
  text-align: right;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-weight: 800;
  white-space: nowrap;
}

.toggle input {
  position: absolute;
  opacity: 0;
}

.toggle span {
  width: 46px;
  height: 26px;
  padding: 3px;
  border-radius: 999px;
  background: #383e47;
}

.toggle span::before {
  content: "";
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text);
  transition: transform 160ms ease;
}

.toggle input:checked + span {
  background: var(--accent);
}

.toggle input:checked + span::before {
  transform: translateX(20px);
}

.metrics-grid {
  display: grid;
  grid-template-columns: 0.85fr 1fr 1.25fr;
  gap: 16px;
}

.metric-panel {
  min-height: 176px;
  padding: 16px;
}

.match-ring {
  display: grid;
  grid-template-columns: 116px 1fr;
  align-items: center;
  gap: 14px;
}

.match-ring svg {
  width: 116px;
  height: 116px;
  transform: rotate(-90deg);
}

.match-ring circle {
  fill: none;
  stroke-width: 11;
  stroke: #343942;
}

#matchArc {
  stroke: var(--accent-2);
  stroke-linecap: round;
  stroke-dasharray: 314;
  stroke-dashoffset: 314;
  transition: stroke-dashoffset 180ms ease;
}

.match-ring strong {
  display: block;
  font-size: 1.65rem;
  line-height: 1;
  color: var(--accent-2);
  white-space: nowrap;
}

.match-ring span,
.task-line span {
  color: var(--muted);
  font-weight: 700;
}

.bars {
  display: grid;
  gap: 12px;
}

.bars label {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-weight: 800;
}

meter {
  width: 100%;
  height: 14px;
}

meter::-webkit-meter-bar {
  background: #343942;
  border: none;
  border-radius: 999px;
}

meter::-webkit-meter-optimum-value {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 999px;
}

.task-line {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
}

.task-line strong {
  font-size: 1.4rem;
}

.attempt-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.attempt-list li {
  min-height: 34px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 10px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}

.attempt-list strong {
  color: var(--text);
}

.statusbar {
  min-height: 44px;
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-weight: 700;
}

.result-overlay {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  align-items: start;
  justify-items: center;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: max(20px, env(safe-area-inset-top)) max(20px, env(safe-area-inset-right))
    max(20px, env(safe-area-inset-bottom)) max(20px, env(safe-area-inset-left));
  background: rgba(0, 0, 0, 0.72);
}

.result-overlay[hidden] {
  display: none;
}

.result-card {
  width: min(420px, 100%);
  max-height: calc(100dvh - 40px);
  margin: auto 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  border: 1px solid rgba(245, 197, 66, 0.45);
  border-radius: 8px;
  padding: 24px;
  display: grid;
  gap: 14px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0, rgba(245, 197, 66, 0.22), transparent 14rem),
    #171a1d;
  box-shadow: var(--shadow);
}

.result-stars {
  color: var(--accent-2);
  font-size: clamp(2rem, 9vw, 4rem);
  font-weight: 900;
  line-height: 1;
}

.result-card p {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
}

.create-card {
  width: min(440px, 100%);
  max-height: calc(100dvh - 40px);
  margin: auto 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  display: grid;
  gap: 14px;
  background: #171a1d;
  box-shadow: var(--shadow);
}

.create-card h2 {
  margin: 0;
}

.create-card label {
  display: grid;
  gap: 7px;
  text-align: left;
}

.create-card label[hidden] {
  display: none;
}

.create-card label span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
}

.create-card input {
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font: inherit;
  font-weight: 800;
}

.create-actions {
  position: sticky;
  bottom: -20px;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0 -20px -20px;
  padding: 12px 20px max(20px, env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: #171a1d;
}

.result-level {
  min-height: 62px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  place-items: center;
  padding: 10px;
  background: rgba(255, 255, 255, 0.04);
}

.result-level span {
  color: var(--accent-2);
  font-size: 1.7rem;
  font-weight: 900;
}

.mistake-list {
  width: 100%;
  display: grid;
  gap: 8px;
}

.mistake-list[hidden] {
  display: none;
}

.mistake-item {
  min-height: 42px;
  padding: 8px 10px;
  text-align: left;
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

@media (max-width: 980px) {
  .app-shell {
    padding: 12px;
    grid-template-rows: auto auto auto auto auto;
  }

  .result-overlay {
    padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right))
      max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
  }

  .create-card,
  .result-card {
    max-height: calc(100dvh - 20px);
  }

  .stage-grid,
  .dance-cards,
  .metrics-grid,
  .control-band,
  .setup-body,
  .profile-fields,
  .studio-channel-copy,
  .teacher-workspace,
  .teacher-folder-view,
  .folder-grid,
  .pipeline-steps,
  .lesson-flow {
    grid-template-columns: 1fr;
  }

  .style-check-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .studio-channel-cover {
    min-height: 180px;
  }

  .studio-channel-logo {
    width: 92px;
    height: 92px;
    left: 16px;
    bottom: -34px;
  }

  .studio-channel-copy {
    gap: 18px;
    padding: 46px 16px 18px;
  }

  .studio-channel-tools {
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    max-width: none;
    justify-content: flex-start;
    margin-top: 2px;
    pointer-events: auto;
  }

  .studio-invite-button,
  .studio-library-tabs {
    position: static;
  }

  .teacher-space-panel .studio-channel-identity {
    padding-right: 0;
  }

  .teacher-space-panel .studio-channel-divider {
    width: 100%;
    max-width: none;
  }

  .studio-channel-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 12px;
    padding: 18px 0 0;
    text-align: left;
  }

  .studio-channel-facts::before {
    top: 0;
    right: 0;
    bottom: auto;
    width: auto;
    height: 2px;
  }

  .studio-fact {
    min-height: 0;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 8px;
    align-items: start;
  }

  .studio-fact-icon {
    width: 26px;
    height: 26px;
  }

  .folder-card {
    min-height: 154px;
    padding: 16px;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 13px;
  }

  .folder-card .folder-icon {
    width: 68px;
    height: 68px;
  }

  .folder-icon b {
    font-size: 1.8rem;
  }

  .folder-card strong {
    font-size: 1.55rem;
  }

  .folder-card-note {
    font-size: 0.88rem;
  }

  .invite-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .invite-card button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .workspace-root {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .small-plus-button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .cabinet-card {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .cabinet-progress,
  .publish-button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .studio-panel {
    min-height: 360px;
  }

  .control-group {
    grid-template-columns: 1fr 1fr;
  }

  .sliders {
    grid-template-columns: 1fr;
  }

  .topbar,
  .statusbar,
  .task-line {
    align-items: flex-start;
    flex-direction: column;
  }

  .role-tabs {
    width: 100%;
  }

  .role-tab {
    flex: 1;
  }

  .video-marker-bar {
    grid-template-columns: 1fr;
  }

  .transport-button {
    width: 100%;
  }

  .timeline-actions,
  .view-toggles {
    grid-column: auto;
    justify-content: stretch;
  }

  .timeline-actions button,
  .check-toggle {
    flex: 1;
  }

  .view-toggles {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  body {
    background: #101114;
  }

  button {
    min-height: 48px;
    padding: 0 14px;
  }

  .app-shell {
    padding: 8px;
    gap: 10px;
  }

  .topbar {
    min-height: auto;
    padding: 12px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .account-switch {
    order: 2;
  }

  h1 {
    font-size: 2rem;
  }

  .score-pill {
    width: 100%;
    min-height: 92px;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    column-gap: 12px;
  }

  .score-pill .level-badge {
    grid-row: auto;
    font-size: 1.8rem;
  }

  .score-pill .level-progress,
  .score-pill small,
  .score-pill strong {
    min-width: 0;
  }

  .setup-body {
    padding: 10px;
    gap: 10px;
  }

  .upload-drop,
  .marker-box,
  .review-box {
    min-height: 98px;
    padding: 12px;
  }

  .stage-grid {
    gap: 10px;
  }

  .dance-feed {
    padding: 12px;
  }

  .feed-head {
    align-items: flex-start;
  }

  .school-chip {
    align-self: flex-start;
  }

  .dance-cards {
    grid-template-columns: 1fr;
  }

  .dance-card {
    min-height: 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 10px;
  }

  .dance-cta {
    grid-column: 1 / -1;
    width: 100%;
    min-height: 52px;
  }

  .dance-preview {
    width: 100%;
    min-height: 0;
  }

  .pipeline-step,
  .flow-step {
    min-height: 52px;
  }

  .studio-panel {
    min-height: auto;
    grid-template-rows: auto minmax(420px, 58vh) auto;
  }

  .student-panel,
  .studio-panel + .studio-panel {
    grid-template-rows: auto minmax(360px, 52vh);
  }

  .studio-panel.student-studio-panel {
    grid-template-rows: auto auto minmax(360px, 52vh) auto;
  }

  .student-progress-row {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .student-progress-row b {
    text-align: left;
  }

  .panel-head {
    min-height: 58px;
    padding: 10px 12px;
  }

  .icon-action {
    width: 48px;
    height: 48px;
  }

  .video-marker-bar {
    min-height: auto;
    padding: 12px;
    gap: 10px;
    grid-template-columns: 52px 1fr;
  }

  .transport-button {
    width: 52px;
  }

  .video-time {
    text-align: right;
  }

  .timeline-shell,
  .timeline-actions,
  .view-toggles {
    grid-column: 1 / -1;
  }

  .teacher-seek {
    height: 38px;
  }

  .teacher-seek::-webkit-slider-runnable-track {
    height: 9px;
  }

  .teacher-seek::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
    margin-top: -6.5px;
  }

  .timeline-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .timeline-actions button:last-child {
    grid-column: 1 / -1;
  }

  .view-toggles {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .control-band {
    padding: 10px;
    gap: 12px;
  }

  .control-group {
    display: grid;
    grid-template-columns: 1fr;
  }

  .control-group button {
    min-height: 54px;
    font-weight: 900;
  }

  .sliders label {
    grid-template-columns: 1fr;
  }

  .sliders strong {
    text-align: left;
  }

  .match-ring {
    grid-template-columns: 96px 1fr;
  }

  .match-ring svg {
    width: 96px;
    height: 96px;
  }

  .metrics-grid {
    gap: 10px;
  }

  .metric-panel {
    min-height: auto;
    padding: 12px;
  }

  .bars {
    gap: 10px;
  }

  .bars label {
    grid-template-columns: 76px 1fr;
  }

  meter {
    height: 18px;
  }

  .attempt-list li {
    display: grid;
    grid-template-columns: 1fr;
  }

  .statusbar {
    font-size: 0.86rem;
  }

  .result-card {
    padding: 18px;
  }
}

/* 2026 product design pass */
[hidden] {
  display: none !important;
}

:root {
  color-scheme: light;
  --bg: #f1eee7;
  --panel: #fffdf8;
  --panel-2: #e9e5dc;
  --line: rgba(18, 19, 17, 0.13);
  --text: #141512;
  --muted: #6f706a;
  --accent: #c8ff48;
  --accent-2: #ff6658;
  --warn: #ff6658;
  --ok: #2a8f68;
  --ink: #141512;
  --shadow: 0 18px 55px rgba(34, 30, 22, 0.09);
  --radius: 22px;
  --radius-sm: 14px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #101114;
  --panel: #171a1d;
  --panel-2: #202529;
  --line: rgba(255, 255, 255, 0.11);
  --text: #f5f7f1;
  --muted: #9da49f;
  --accent: #f5c542;
  --accent-2: #ff6f61;
  --warn: #ff6f61;
  --ok: #7be0aa;
  --ink: #f5f7f1;
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.34);
}

body {
  background:
    radial-gradient(circle at 4% 2%, rgba(200, 255, 72, 0.28), transparent 24rem),
    radial-gradient(circle at 96% 16%, rgba(255, 102, 88, 0.14), transparent 25rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at 6% 2%, rgba(245, 197, 66, 0.2), transparent 22rem),
    radial-gradient(circle at 92% 12%, rgba(255, 111, 97, 0.13), transparent 26rem),
    linear-gradient(135deg, #101114 0%, #15181b 48%, #0c0d10 100%);
}

button {
  border-color: var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  letter-spacing: -0.01em;
  box-shadow: none;
}

:root[data-theme="dark"] button {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

button:hover,
.icon-action:hover {
  border-color: var(--text);
  transform: translateY(-2px);
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(200, 255, 72, 0.8);
  outline-offset: 2px;
}

.primary {
  border-color: var(--text);
  background: var(--text);
  color: #fff;
}

.app-shell {
  width: min(1280px, 100%);
  padding: 24px clamp(18px, 4vw, 52px) 64px;
  gap: 22px;
}

.topbar,
.control-band,
.statusbar,
.panel,
.metric-panel,
.cabinet-card,
.dance-feed {
  border-color: var(--line);
  background: rgba(255, 253, 248, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

:root[data-theme="dark"] .topbar,
:root[data-theme="dark"] .statusbar,
:root[data-theme="dark"] .panel,
:root[data-theme="dark"] .metric-panel,
:root[data-theme="dark"] .cabinet-card,
:root[data-theme="dark"] .dance-feed {
  background: rgba(23, 26, 29, 0.9);
  box-shadow: var(--shadow);
}

.topbar {
  position: sticky;
  z-index: 30;
  top: 12px;
  min-height: 78px;
  border-radius: 999px;
  padding: 10px 12px 10px 14px;
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  background: var(--text);
  color: var(--accent);
  font-size: 1.15rem;
  font-weight: 1000;
}

:root[data-theme="dark"] .brand-mark {
  background: var(--accent);
  color: #151613;
}

.topbar h1 {
  font-size: 1.45rem;
  line-height: 1;
}

.brand-lockup h1 {
  position: relative;
  display: inline-block;
  font-family: "Arial Black", "Arial Rounded MT Bold", Impact, Inter, sans-serif;
  font-size: clamp(1.55rem, 2.2vw, 2rem);
  font-weight: 1000;
  font-stretch: expanded;
  letter-spacing: -0.09em;
  line-height: 0.86;
  transform: scaleX(1.08);
  transform-origin: left center;
}

.brand-lockup h1::after {
  content: "";
  position: absolute;
  right: -0.58em;
  bottom: 0.04em;
  width: 0.32em;
  height: 0.32em;
  border-radius: 50%;
  background: #ff684d;
  transform: scaleX(0.93);
}

.eyebrow {
  color: #38775f;
  font-size: 0.69rem;
  letter-spacing: 0.12em;
}

.role-tabs {
  border-color: transparent;
  border-radius: 999px;
  padding: 4px;
  background: #e9e5dd;
}

:root[data-theme="dark"] .role-tabs {
  background: rgba(255, 255, 255, 0.05);
}

.role-tab {
  min-height: 42px;
  border-radius: 999px;
  color: var(--muted);
}

.role-tab.active {
  background: #fff;
  color: var(--text);
  box-shadow: 0 5px 16px rgba(20, 21, 18, 0.1);
}

:root[data-theme="dark"] .role-tab.active {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  box-shadow: none;
}

.theme-toggle {
  order: 4;
  width: 54px;
  min-height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--text);
  color: var(--panel);
  font-size: 1.08rem;
  font-weight: 850;
}

.theme-toggle::before {
  content: none;
}

:root[data-theme="dark"] .theme-toggle {
  background: var(--accent);
  color: #161713;
}

:root[data-theme="dark"] .theme-toggle::before {
  content: none;
}

h1,
h2,
h3,
.dance-info strong,
.folder-card strong {
  letter-spacing: -0.045em;
}

.onboarding-panel {
  display: grid;
  grid-template-columns: minmax(300px, 0.88fr) minmax(420px, 1.12fr);
  border-radius: 30px;
  overflow: hidden;
}

.onboarding-invite {
  min-height: 620px;
  padding: clamp(28px, 5vw, 64px);
  grid-template-columns: 1fr;
  align-content: end;
  border: 0;
  color: #fff;
  background:
    radial-gradient(circle at 85% 15%, rgba(200, 255, 72, 0.95), transparent 8rem),
    radial-gradient(circle at 15% 32%, rgba(255, 102, 88, 0.8), transparent 13rem),
    #171815;
}

.onboarding-invite .invite-logo {
  width: 82px;
  height: 82px;
  border-radius: 24px;
  background: var(--accent);
}

.onboarding-invite .eyebrow {
  color: var(--accent);
}

.onboarding-invite h2 {
  max-width: 11ch;
  margin: 14px 0;
  font-size: clamp(2.5rem, 5vw, 5rem);
  letter-spacing: -0.065em;
}

.onboarding-invite > div:last-child > span {
  display: block;
  max-width: 38ch;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1rem;
  line-height: 1.55;
}

.onboarding-benefits {
  margin-top: 34px;
  display: grid;
  gap: 10px;
}

.onboarding-benefits small {
  display: flex;
  gap: 10px;
  align-items: center;
  color: #fff;
  font-weight: 750;
}

.onboarding-benefits small::before {
  content: "✓";
  width: 25px;
  height: 25px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: var(--text);
  font-size: 0.75rem;
}

.profile-form {
  padding: clamp(28px, 5vw, 64px);
  align-content: center;
  gap: 24px;
  background: var(--panel);
}

:root[data-theme="dark"] .profile-form,
:root[data-theme="dark"] .studio-channel-copy,
:root[data-theme="dark"] .teacher-space-panel .teacher-workspace {
  background: var(--panel);
}

.form-heading h2 {
  max-width: 16ch;
  margin: 8px 0 10px;
  font-size: clamp(2rem, 3vw, 3.5rem);
  letter-spacing: -0.055em;
}

.form-heading > span,
.section-note,
.panel-description {
  display: block;
  color: var(--muted);
  line-height: 1.5;
}

.profile-fields {
  gap: 14px;
}

.profile-form label > span,
.dance-style-fieldset legend {
  color: var(--text);
  font-size: 0.78rem;
}

.profile-form input[type="text"],
.profile-form input[type="number"],
.profile-form input[type="date"] {
  min-height: 54px;
  border-color: var(--line);
  border-radius: var(--radius-sm);
  padding: 0 16px;
  background: #f4f1ea;
  color: var(--text);
}

:root[data-theme="dark"] input,
:root[data-theme="dark"] .profile-form input[type="text"],
:root[data-theme="dark"] .profile-form input[type="number"],
:root[data-theme="dark"] .profile-form input[type="date"],
:root[data-theme="dark"] .create-card input {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}

:root[data-theme="dark"] input::placeholder {
  color: rgba(245, 247, 241, 0.42);
}

.style-check-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.style-check span {
  min-height: 44px;
  border-color: var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: #f4f1ea;
}

:root[data-theme="dark"] .style-check span {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
}

.style-check input:checked + span {
  border-color: var(--text);
  color: var(--text);
  background: var(--accent);
}

:root[data-theme="dark"] .style-check input:checked + span {
  color: #171713;
}

.profile-submit {
  min-height: 58px;
  justify-content: space-between;
  padding: 0 24px;
  display: flex;
  align-items: center;
  font-size: 1rem;
}

.level-profile-card {
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.score-pill {
  min-height: 220px;
  border: 0;
  border-radius: 28px;
  padding: clamp(24px, 4vw, 48px);
  color: #fff;
  background:
    radial-gradient(circle at 88% 18%, rgba(200, 255, 72, 0.92), transparent 9rem),
    linear-gradient(135deg, #1b1c19, #30332a);
  box-shadow: var(--shadow);
}

:root[data-theme="dark"] .score-pill,
:root[data-theme="dark"] .onboarding-invite {
  background:
    radial-gradient(circle at 86% 18%, rgba(245, 197, 66, 0.58), transparent 9rem),
    radial-gradient(circle at 16% 30%, rgba(255, 111, 97, 0.24), transparent 14rem),
    linear-gradient(135deg, #171a1d, #101114);
}

.score-pill:hover {
  transform: translateY(-3px);
}

.profile-badge {
  width: 74px;
  height: 74px;
  border-radius: 22px;
  background: var(--accent);
  color: var(--text);
}

.score-pill .eyebrow {
  color: var(--accent);
}

.score-pill h2 {
  color: #fff;
  font-size: clamp(2rem, 4vw, 4rem);
}

.score-pill strong,
.score-pill small {
  color: rgba(255, 255, 255, 0.72);
}

.score-pill .level-badge {
  color: rgba(255, 255, 255, 0.2);
  font-size: clamp(4rem, 10vw, 8rem);
}

.score-pill .level-progress {
  height: 10px;
  background: rgba(255, 255, 255, 0.12);
}

.score-pill .level-progress span {
  background: var(--accent);
}

.lesson-flow {
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.75);
}

:root[data-theme="dark"] .lesson-flow,
:root[data-theme="dark"] .pipeline-steps {
  background: rgba(255, 255, 255, 0.04);
}

.flow-step {
  min-height: 54px;
  border: 0;
  border-radius: 999px;
  background: transparent;
}

.flow-step strong {
  border-radius: 50%;
}

.flow-step.active {
  border: 0;
  background: var(--text);
}

:root[data-theme="dark"] .flow-step.active,
:root[data-theme="dark"] .pipeline-step.active {
  background: var(--accent);
}

:root[data-theme="dark"] .flow-step.active span,
:root[data-theme="dark"] .flow-step.active span,
:root[data-theme="dark"] .pipeline-step.active span {
  color: #171713;
}

.flow-step.active span {
  color: #fff;
}

.flow-step.completed {
  border: 0;
  background: rgba(200, 255, 72, 0.38);
}

.dance-feed {
  padding: clamp(20px, 3vw, 34px);
  border-radius: 28px;
  gap: 22px;
  background: rgba(255, 253, 248, 0.82);
}

.feed-head h2 {
  margin: 7px 0;
  font-size: clamp(2rem, 4vw, 3.7rem);
}

.school-chip {
  border-color: var(--line);
  color: var(--text);
  background: #f1eee7;
}

:root[data-theme="dark"] .school-chip,
:root[data-theme="dark"] .folder-card,
:root[data-theme="dark"] .dance-card {
  background: rgba(255, 255, 255, 0.055);
  color: var(--text);
}

.dance-cards {
  grid-template-columns: 1.35fr 0.825fr 0.825fr;
  align-items: stretch;
}

.dance-card {
  min-height: 390px;
  border: 0;
  border-radius: 22px;
  padding: 12px;
  background: #eeebe4;
  box-shadow: inset 0 0 0 1px var(--line);
}

.dance-card.active {
  border: 0;
  color: #fff;
  background: var(--text);
  box-shadow: none;
}

:root[data-theme="dark"] .dance-card.active,
:root[data-theme="dark"] .studio-panel,
:root[data-theme="dark"] .teacher-space-panel > .panel-head,
:root[data-theme="dark"] .control-band {
  background: rgba(12, 13, 16, 0.94);
}

.dance-preview {
  border-radius: 15px;
}

.dance-card.active .dance-preview {
  aspect-ratio: 16 / 8.3;
}

.dance-info {
  padding: 4px 6px;
}

.dance-info strong {
  font-size: clamp(1.5rem, 3vw, 2.7rem);
}

.dance-info > span {
  color: var(--muted);
  line-height: 1.45;
}

.dance-card.active .dance-info > span {
  color: rgba(255, 255, 255, 0.62);
}

.dance-stars {
  color: var(--accent);
}

.dance-cta {
  min-height: 54px;
  border-color: transparent;
  background: #fff;
}

:root[data-theme="dark"] .dance-cta,
:root[data-theme="dark"] .video-mode-tab.active,
:root[data-theme="dark"] .video-mode-tab:hover,
:root[data-theme="dark"] .icon-action:hover {
  background: rgba(245, 247, 241, 0.92);
  color: #161713;
}

.dance-card.active .dance-cta {
  justify-content: space-between;
  display: flex;
  align-items: center;
  background: var(--accent);
}

:root[data-theme="dark"] .dance-card.active .dance-cta,
:root[data-theme="dark"] #danceButton,
:root[data-theme="dark"] .result-card .primary {
  background: var(--accent);
  color: #161713;
}

.lesson-workspace-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: 36px;
  align-items: end;
  padding: clamp(22px, 4vw, 44px) 4px 8px;
}

.lesson-workspace-intro h2 {
  max-width: 15ch;
  margin: 8px 0 12px;
  font-size: clamp(2.3rem, 5vw, 4.8rem);
  line-height: 0.95;
}

.lesson-workspace-intro p {
  max-width: 60ch;
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.workspace-tips {
  border-top: 1px solid var(--line);
  display: grid;
}

.workspace-tips span {
  min-height: 52px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-weight: 750;
}

.workspace-tips b {
  color: var(--text);
  font-size: 0.75rem;
}

.stage-grid {
  gap: 18px;
}

.studio-panel {
  border-radius: 26px;
  overflow: hidden;
  background: #171815;
}

.panel-head {
  padding: 22px 24px;
  color: #fff;
}

.panel-head .eyebrow {
  color: var(--accent);
}

.panel-head h2 {
  margin-top: 4px;
  font-size: 1.65rem;
}

.panel-description {
  margin-top: 7px;
  color: rgba(255, 255, 255, 0.56);
  font-size: 0.85rem;
}

.video-mode-tabs {
  padding: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
}

.video-mode-tab,
.icon-action {
  border-color: transparent;
  background: transparent;
  color: rgba(255, 255, 255, 0.66);
}

.video-mode-tab.active,
.video-mode-tab:hover,
.icon-action:hover {
  border-color: transparent;
  background: #fff;
  color: var(--text);
}

.video-frame {
  margin: 0 12px;
  border-radius: 18px;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(200, 255, 72, 0.1), transparent 35%),
    #080907;
}

.empty-state {
  color: rgba(255, 255, 255, 0.45);
}

.video-marker-bar {
  border: 0;
  padding: 18px 20px 22px;
  color: #fff;
  background: transparent;
}

.video-marker-bar button,
.student-upload {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.student-upload {
  margin: 0 20px 14px;
  border-radius: 999px;
}

.check-toggle {
  border-color: rgba(255, 255, 255, 0.13);
  color: rgba(255, 255, 255, 0.7);
}

.control-band {
  position: sticky;
  z-index: 20;
  bottom: 14px;
  grid-template-columns: minmax(220px, 0.8fr) auto minmax(300px, 1.2fr) auto;
  border: 0;
  border-radius: 24px;
  padding: 14px;
  color: #fff;
  background: rgba(20, 21, 18, 0.94);
  box-shadow: 0 20px 50px rgba(20, 21, 18, 0.25);
}

.control-copy {
  padding: 2px 10px;
}

.control-copy .eyebrow {
  color: var(--accent);
}

.control-copy strong {
  display: block;
  margin-top: 4px;
  line-height: 1.2;
}

.control-group button {
  min-width: 130px;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

#danceButton {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--text);
}

.sliders label,
.toggle {
  color: rgba(255, 255, 255, 0.7);
}

.metrics-grid {
  grid-template-columns: 0.8fr 1.35fr 0.85fr;
  gap: 18px;
}

.metric-panel {
  min-height: 260px;
  border-radius: 24px;
  padding: 24px;
}

.metric-panel h3 {
  margin: 5px 0 20px;
  font-size: 1.4rem;
}

.metric-panel:nth-child(1) {
  background: var(--accent);
}

:root[data-theme="dark"] .metric-panel:nth-child(1) {
  color: #161713;
}

.metric-panel:nth-child(1) .eyebrow {
  color: #465c18;
}

.match-ring svg circle:first-child {
  stroke: rgba(20, 21, 18, 0.12);
}

.match-ring svg circle:last-child {
  stroke: var(--text);
}

.bars meter::-webkit-meter-optimum-value {
  background: var(--accent-2);
}

.statusbar {
  border: 0;
  border-radius: 999px;
  box-shadow: none;
  background: rgba(20, 21, 18, 0.06);
}

:root[data-theme="dark"] .statusbar {
  background: rgba(255, 255, 255, 0.055);
}

.app-shell.student-mode .teacher-students-panel {
  display: none;
}

.app-shell.student-mode.student-onboarding .lesson-workspace-intro {
  display: none;
}

.app-shell.teacher-mode .lesson-workspace-intro {
  display: none;
}

.stage-grid {
  scroll-margin-top: 112px;
}

.teacher-space-panel {
  border-radius: 28px;
}

.teacher-space-panel > .panel-head {
  color: #fff;
  background: #171815;
}

.teacher-space-panel > .panel-head .teacher-breadcrumb,
.teacher-space-panel > .panel-head .teacher-breadcrumb span {
  color: rgba(255, 255, 255, 0.52);
}

.teacher-space-panel > .panel-head .teacher-breadcrumb button {
  color: var(--accent);
}

.teacher-space-panel > .panel-head .teacher-actions button {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.94);
  color: #141512;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.teacher-space-panel > .panel-head .teacher-actions .ghost-action {
  font-weight: 850;
}

.teacher-space-panel > .panel-head .teacher-actions .create-main-button {
  border-color: var(--accent);
  background: var(--accent);
  color: #141512;
}

.teacher-space-panel > .panel-head .teacher-actions button:hover {
  border-color: var(--accent);
  background: #fff;
  color: #141512;
}

.teacher-space-panel > .panel-head .teacher-actions .create-main-button:hover {
  background: var(--accent);
}

.teacher-space-panel .teacher-workspace {
  min-height: 360px;
  padding: 22px;
  background: var(--panel);
}

.teacher-space-panel .teacher-empty-note {
  min-height: 290px;
  border: 1px dashed rgba(20, 21, 18, 0.22);
  border-radius: 22px;
  padding: 42px;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  background:
    radial-gradient(circle at 50% 20%, rgba(200, 255, 72, 0.34), transparent 11rem),
    #f4f1ea;
}

:root[data-theme="dark"] .teacher-space-panel .teacher-empty-note {
  border-color: rgba(245, 197, 66, 0.34);
  background:
    radial-gradient(circle at 50% 18%, rgba(245, 197, 66, 0.18), transparent 11rem),
    rgba(255, 255, 255, 0.045);
}

.teacher-space-panel .teacher-empty-note::before {
  content: "+";
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-bottom: 8px;
  background: var(--text);
  color: var(--accent);
  font-size: 2rem;
  font-weight: 700;
}

.teacher-space-panel .teacher-empty-note strong {
  font-size: clamp(1.7rem, 3vw, 2.8rem);
}

.teacher-space-panel .teacher-empty-note[data-create-type]:hover,
.teacher-space-panel .teacher-empty-note[data-create-type]:focus-visible {
  border-color: var(--text);
  transform: translateY(-2px);
}

.folder-card-group {
  aspect-ratio: 1;
  min-height: 0;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto 1fr auto;
  align-items: start;
  align-content: stretch;
}

.folder-card-group .folder-icon {
  grid-column: 1;
  grid-row: 1;
}

.folder-card-group .folder-card-copy {
  grid-column: 1 / -1;
  grid-row: 2;
  align-content: end;
}

.folder-card-group .folder-card-arrow {
  grid-column: 2;
  grid-row: 3;
  align-self: end;
  justify-self: end;
}

.studio-channel {
  border-radius: 26px;
  overflow: hidden;
}

.studio-channel-cover {
  min-height: 300px;
}

.studio-channel-copy {
  background: var(--panel);
}

.folder-card {
  border-radius: 20px;
  background: #f1eee7;
}

.folder-card:hover {
  border-color: var(--text);
  background: var(--accent);
}

:root[data-theme="dark"] .folder-card:hover {
  background: rgba(245, 197, 66, 0.16);
}

.pipeline-steps {
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  gap: 0;
  background: var(--panel);
}

.pipeline-step {
  border: 0;
  border-radius: 999px;
  background: transparent;
}

.pipeline-step.active {
  border: 0;
  background: var(--text);
}

.pipeline-step.active span {
  color: #fff;
}

.setup-panel {
  border-radius: 26px;
}

.teacher-folder-view.lesson-view {
  display: none;
}

.teacher-video-dock {
  display: grid;
  gap: 14px;
  margin: 6px 0 18px;
}

.teacher-video-dock .pipeline-steps {
  box-shadow: none;
}

.video-setup-panel {
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.72);
}

.video-setup-panel .setup-body {
  padding: 12px;
}

:root[data-theme="dark"] .video-setup-panel {
  border-color: rgba(255, 255, 255, 0.13);
  background:
    radial-gradient(circle at 12% 20%, rgba(255, 207, 61, 0.06), transparent 13rem),
    rgba(255, 255, 255, 0.045);
}

:root[data-theme="dark"] .score-pill h2 {
  color: #fff;
}

.app-shell.student-mode .teacher-video-dock {
  display: none;
}

.app-shell.teacher-mode.teacher-lesson-open .teacher-space-panel .teacher-workspace {
  display: none;
}

.app-shell.teacher-mode.teacher-lesson-open .teacher-space-panel {
  margin-bottom: 0;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.app-shell.teacher-mode.teacher-lesson-open .stage-grid {
  margin-top: 0;
}

.teacher-wizard-content {
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(260px, 1.1fr) minmax(220px, 0.8fr) minmax(220px, 0.8fr) auto;
  gap: 14px;
  align-items: stretch;
}

.teacher-wizard-content h3 {
  margin: 4px 0 8px;
  font-size: clamp(1.55rem, 2.7vw, 2.4rem);
  line-height: 0.98;
}

.teacher-wizard-content p:not(.eyebrow),
.teacher-wizard-content span {
  color: var(--muted);
  font-weight: 750;
  line-height: 1.35;
}

.teacher-step-next {
  align-self: stretch;
  min-width: 170px;
  border-color: var(--accent);
  border-radius: 22px;
  padding: 0 24px;
  background: var(--accent);
  color: #141512;
  box-shadow: 0 18px 38px rgba(200, 255, 72, 0.16);
}

.teacher-step-next:disabled {
  opacity: 1;
  cursor: wait;
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.76);
  color: rgba(20, 21, 18, 0.62);
  box-shadow: none;
}

.teacher-hidden-file,
.teacher-hidden-status {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.teacher-upload-empty {
  position: absolute;
  inset: 18px;
  z-index: 4;
  border: 2px dashed rgba(200, 255, 72, 0.52);
  border-radius: 28px;
  padding: clamp(22px, 5vw, 58px);
  display: grid;
  place-items: center;
  align-content: center;
  gap: 14px;
  text-align: center;
  color: #fff;
  cursor: pointer;
  background:
    radial-gradient(circle at 50% 20%, rgba(200, 255, 72, 0.16), transparent 16rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.025));
}

.teacher-upload-empty input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.teacher-upload-empty .upload-cloud {
  width: 92px;
  height: 92px;
  border-radius: 30px;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #141512;
  font-size: 3rem;
  font-weight: 900;
}

.teacher-upload-empty strong {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  line-height: 0.95;
}

.teacher-upload-empty span:not(.upload-cloud),
.teacher-upload-empty small {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.74);
  font-weight: 800;
  line-height: 1.35;
}

.teacher-frame-note {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  z-index: 3;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 22px;
  padding: 16px 18px;
  display: grid;
  gap: 4px;
  color: #fff;
  background: rgba(9, 10, 8, 0.62);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(18px);
}

.teacher-frame-note strong {
  font-size: 1.1rem;
}

.teacher-frame-note span {
  max-width: 820px;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 750;
  line-height: 1.35;
}

.app-shell.teacher-mode:not(.teacher-video-ready) #teacherVideo,
.app-shell.teacher-mode:not(.teacher-video-ready) #teacherCanvas,
.app-shell.teacher-mode:not(.teacher-video-ready) .teacher-frame-note,
.app-shell.teacher-mode:not(.teacher-video-ready) .video-marker-bar {
  display: none;
}

.app-shell.teacher-mode.teacher-video-ready .teacher-upload-empty,
.app-shell.teacher-mode.teacher-video-ready #teacherEmpty {
  display: none;
}

.app-shell.teacher-mode.teacher-video-ready .video-frame {
  min-height: clamp(440px, 58vw, 760px);
}

.app-shell.teacher-mode.teacher-video-ready .video-marker-bar {
  display: grid;
}

.app-shell.teacher-mode .stage-grid .studio-panel:first-child {
  display: flex;
  flex-direction: column;
}

.app-shell.teacher-mode .teacher-video-dock {
  display: contents;
}

.app-shell.teacher-mode .teacher-video-dock .pipeline-steps {
  order: 1;
  margin: 6px 12px 18px;
}

.app-shell.teacher-mode .video-frame {
  order: 2;
  min-height: clamp(380px, 46vw, 680px);
}

.app-shell.teacher-mode .video-marker-bar {
  order: 3;
}

.app-shell.teacher-mode .video-setup-panel {
  order: 4;
  margin: 18px 12px 12px;
}

:root[data-theme="dark"] .video-setup-panel {
  background:
    radial-gradient(circle at 12% 20%, rgba(255, 207, 61, 0.06), transparent 13rem),
    rgba(255, 255, 255, 0.06);
}

:root[data-theme="dark"] .teacher-step-next {
  border-color: var(--accent);
  background: var(--accent);
  color: #141512;
}

@media (max-width: 980px) {
  .teacher-wizard-content {
    grid-template-columns: 1fr;
  }

  .teacher-step-next {
    min-height: 58px;
  }
}

.result-overlay,
.countdown-overlay {
  z-index: 100;
  background: rgba(20, 21, 18, 0.68);
  backdrop-filter: blur(16px);
}

.result-card,
.countdown-card,
.create-card {
  border: 0;
  border-radius: 30px;
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 30px 100px rgba(20, 21, 18, 0.28);
}

:root[data-theme="dark"] .result-card,
:root[data-theme="dark"] .countdown-card,
:root[data-theme="dark"] .create-card {
  background: #171a1d;
  color: var(--text);
  box-shadow: 0 30px 100px rgba(0, 0, 0, 0.42);
}

.result-stars {
  color: var(--accent-2);
}

.result-card .primary {
  background: var(--accent);
  color: var(--text);
}

.create-card input[type="file"] {
  padding: 7px;
  color: var(--muted);
}

.create-card input[type="file"]::file-selector-button {
  min-height: 38px;
  margin-right: 12px;
  border: 0;
  border-radius: 999px;
  padding: 0 15px;
  background: #e9e5dc;
  color: var(--text);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

:root[data-theme="dark"] .create-card input[type="file"]::file-selector-button {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text);
}

:root[data-theme="dark"] .pipeline-step.active span {
  color: #171713;
}

:root[data-theme="dark"] .panel-description,
:root[data-theme="dark"] .form-heading > span,
:root[data-theme="dark"] .section-note,
:root[data-theme="dark"] .dance-info > span,
:root[data-theme="dark"] .lesson-workspace-intro p,
:root[data-theme="dark"] .workspace-tips span,
:root[data-theme="dark"] .teacher-space-panel > .panel-head .teacher-breadcrumb,
:root[data-theme="dark"] .teacher-space-panel > .panel-head .teacher-breadcrumb span {
  color: var(--muted);
}

@media (max-width: 980px) {
  .app-shell {
    padding: 14px 14px 48px;
  }

  .onboarding-panel,
  .lesson-workspace-intro,
  .metrics-grid,
  .control-band {
    grid-template-columns: 1fr;
  }

  .onboarding-invite {
    min-height: 420px;
  }

  .dance-cards {
    grid-template-columns: 1fr 1fr;
  }

  .dance-card.active {
    grid-column: 1 / -1;
  }

  .control-band {
    position: static;
  }
}

@media (max-width: 560px) {
  body {
    background: var(--bg);
  }

  .app-shell {
    padding: 8px 8px 34px;
    gap: 12px;
  }

  .topbar {
    position: sticky;
    top: 7px;
    padding: 8px;
    grid-template-columns: 1fr auto;
    border-radius: 20px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .topbar .eyebrow {
    display: none;
  }

  .topbar h1 {
    font-size: 1.25rem;
  }

  .brand-lockup h1 {
    font-size: 1.48rem;
  }

  .account-switch {
    width: auto;
  }

  .theme-toggle {
    min-height: 40px;
    padding: 0 12px;
    justify-self: end;
  }

  .role-tab {
    min-height: 40px;
    padding: 0 12px;
  }

  .onboarding-panel {
    border-radius: 22px;
  }

  .onboarding-invite {
    min-height: 360px;
    padding: 26px 22px;
  }

  .onboarding-invite h2 {
    font-size: 2.8rem;
  }

  .profile-form {
    padding: 28px 20px;
  }

  .profile-fields,
  .style-check-grid {
    grid-template-columns: 1fr 1fr;
  }

  .form-heading h2 {
    font-size: 2.1rem;
  }

  .score-pill {
    min-height: 190px;
    border-radius: 22px;
    padding: 22px;
  }

  .score-pill .level-badge {
    font-size: 3rem;
  }

  .lesson-flow {
    border-radius: 20px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .flow-step {
    min-height: 66px;
    padding: 7px 4px;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 4px;
  }

  .flow-step span {
    font-size: 0.68rem;
  }

  .dance-feed {
    padding: 20px 12px 12px;
    border-radius: 22px;
  }

  .feed-head {
    padding: 0 6px;
  }

  .feed-head h2 {
    font-size: 2.4rem;
    line-height: 0.98;
  }

  .section-note {
    margin-top: 10px;
  }

  .dance-cards {
    grid-template-columns: 1fr;
  }

  .dance-card.active {
    grid-column: auto;
  }

  .dance-card {
    min-height: 0;
    border-radius: 18px;
  }

  .lesson-workspace-intro {
    padding: 34px 12px 10px;
    gap: 26px;
  }

  .lesson-workspace-intro h2 {
    font-size: 2.8rem;
  }

  .studio-panel {
    border-radius: 22px;
  }

  .panel-head {
    padding: 18px;
  }

  .panel-head {
    align-items: flex-start;
    gap: 14px;
  }

  .panel-description {
    max-width: 24ch;
  }

  .video-frame {
    margin: 0 8px;
  }

  .student-upload {
    margin: 0 12px 12px;
  }

  .control-band {
    border-radius: 22px;
    padding: 16px;
  }

  .control-copy {
    padding: 0 0 4px;
  }

  .control-group {
    grid-template-columns: 0.8fr 1.2fr;
  }

  .control-group button {
    min-width: 0;
  }

  .metric-panel {
    min-height: 220px;
    border-radius: 20px;
  }

  .pipeline-steps {
    border-radius: 20px;
    grid-template-columns: 1fr;
  }

  .pipeline-step {
    border-radius: 14px;
  }
}

/* Typography system final override */
:root {
  --font-ui: Inter, "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-brand: "Arial Black", Impact, var(--font-ui);
  --weight-regular: 500;
  --weight-medium: 650;
  --weight-strong: 760;
  --weight-display: 860;
  --tracking-tight: -0.04em;
  --tracking-display: -0.055em;
  --tracking-label: 0.08em;
}

body,
button,
input,
textarea,
select {
  font-family: var(--font-ui);
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

body {
  font-weight: var(--weight-regular);
  letter-spacing: -0.012em;
}

button,
.primary,
.role-tab,
.theme-toggle,
.dance-cta,
.ghost-action,
.create-main-button,
.small-plus-button,
.video-mode-tab,
.icon-action {
  font-family: var(--font-ui);
  font-weight: var(--weight-strong);
  letter-spacing: -0.015em;
}

.brand-lockup h1,
.topbar h1 {
  font-family: var(--font-brand);
  font-size: clamp(1.55rem, 2.2vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.09em;
  line-height: 0.86;
}

h1,
h2,
h3,
.form-heading h2,
.feed-head h2,
.lesson-workspace-intro h2,
.panel-head h2,
.metric-panel h3,
.onboarding-invite h2,
.score-pill h2,
.teacher-space-panel .teacher-empty-note strong {
  font-family: var(--font-ui);
  font-weight: var(--weight-display);
  letter-spacing: var(--tracking-display);
}

.topbar h1,
.brand-lockup h1 {
  font-family: var(--font-brand);
}

.eyebrow,
.folder-card-type,
.studio-fact small {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: var(--weight-strong);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
}

.teacher-breadcrumb,
.teacher-breadcrumb span,
.school-chip,
.flow-step span,
.pipeline-step span,
.task-line span,
.attempt-list,
.level-next-value,
.folder-card-note {
  font-family: var(--font-ui);
  font-weight: var(--weight-medium);
  letter-spacing: -0.006em;
}

.dance-info strong,
.folder-card strong,
.studio-channel-copy h3,
.teacher-folder-view h3,
.score-pill strong,
.control-copy strong,
.task-line strong,
.result-card h2,
.create-card h2 {
  font-family: var(--font-ui);
  font-weight: var(--weight-display);
  letter-spacing: var(--tracking-tight);
}

.dance-info strong {
  font-size: clamp(1.45rem, 2.8vw, 2.45rem);
  line-height: 1;
}

.folder-card strong {
  font-size: clamp(1.35rem, 2.6vw, 1.95rem);
  line-height: 1.02;
}

.onboarding-invite h2,
.lesson-workspace-intro h2 {
  line-height: 0.96;
}

.feed-head h2,
.form-heading h2,
.score-pill h2 {
  line-height: 0.98;
}

.section-note,
.panel-description,
.form-heading > span,
.dance-info > span,
.lesson-workspace-intro p,
.workspace-tips span,
.folder-card-note,
.studio-channel-copy p:not(.eyebrow),
.studio-fact strong,
.result-card p,
.create-card label span {
  font-family: var(--font-ui);
  font-weight: var(--weight-medium);
  letter-spacing: -0.01em;
  line-height: 1.48;
}

.profile-form label > span,
.dance-style-fieldset legend,
.sliders label,
.toggle,
.check-toggle {
  font-family: var(--font-ui);
  font-weight: var(--weight-strong);
  letter-spacing: -0.01em;
}

.score-pill .level-badge {
  font-family: var(--font-ui);
  font-weight: var(--weight-display);
  letter-spacing: -0.08em;
}

.folder-card-arrow {
  font-family: var(--font-ui);
  font-weight: var(--weight-regular);
}

.create-card input[type="file"]::file-selector-button {
  font-family: var(--font-ui);
  font-weight: var(--weight-strong);
}

@media (max-width: 560px) {
  .brand-lockup h1,
  .topbar h1 {
    font-size: 1.48rem;
  }

  .feed-head h2,
  .lesson-workspace-intro h2,
  .onboarding-invite h2 {
    letter-spacing: -0.06em;
  }
}

/* Dark theme contrast pass */
:root[data-theme="dark"] {
  --bg: #111317;
  --panel: #1b1f23;
  --panel-2: #24292e;
  --surface-raised: #282e33;
  --surface-active: #0c0f12;
  --surface-soft: rgba(255, 255, 255, 0.075);
  --line: rgba(255, 255, 255, 0.16);
  --muted: #b9c0bb;
  --text: #fbf8ef;
  --accent: #ffcf3d;
  --accent-2: #8ee64b;
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at 8% 4%, rgba(255, 207, 61, 0.15), transparent 24rem),
    radial-gradient(circle at 92% 18%, rgba(142, 230, 75, 0.1), transparent 24rem),
    linear-gradient(135deg, #111317 0%, #171a1f 50%, #0e1013 100%);
}

:root[data-theme="dark"] .topbar,
:root[data-theme="dark"] .dance-feed,
:root[data-theme="dark"] .panel,
:root[data-theme="dark"] .metric-panel,
:root[data-theme="dark"] .cabinet-card,
:root[data-theme="dark"] .teacher-space-panel .teacher-workspace,
:root[data-theme="dark"] .studio-channel-copy,
:root[data-theme="dark"] .profile-form,
:root[data-theme="dark"] .create-card,
:root[data-theme="dark"] .result-card,
:root[data-theme="dark"] .countdown-card {
  border-color: var(--line);
  background: rgba(27, 31, 35, 0.94);
  color: var(--text);
}

:root[data-theme="dark"] .dance-card,
:root[data-theme="dark"] .folder-card,
:root[data-theme="dark"] .school-chip,
:root[data-theme="dark"] .lesson-flow,
:root[data-theme="dark"] .pipeline-steps {
  border-color: rgba(255, 255, 255, 0.14);
  background: var(--surface-raised);
  color: var(--text);
}

:root[data-theme="dark"] .dance-card.active,
:root[data-theme="dark"] .studio-panel,
:root[data-theme="dark"] .teacher-space-panel > .panel-head,
:root[data-theme="dark"] .control-band {
  border-color: rgba(255, 255, 255, 0.13);
  background:
    radial-gradient(circle at 88% 8%, rgba(255, 207, 61, 0.08), transparent 12rem),
    var(--surface-active);
  color: var(--text);
}

:root[data-theme="dark"] .dance-card:not(.active) {
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.11),
    0 16px 34px rgba(0, 0, 0, 0.18);
}

:root[data-theme="dark"] .dance-card:not(.active) .dance-preview img {
  opacity: 0.82;
}

:root[data-theme="dark"] .dance-card:not(.active) .dance-info > span,
:root[data-theme="dark"] .dance-card:not(.active) .dance-stars.muted {
  color: #aeb6b1;
}

:root[data-theme="dark"] .dance-cta:disabled {
  border-color: rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.72);
  color: #171a1d;
  opacity: 1;
}

:root[data-theme="dark"] .role-tabs {
  background: rgba(255, 255, 255, 0.07);
}

:root[data-theme="dark"] .role-tab {
  color: rgba(255, 255, 255, 0.74);
}

:root[data-theme="dark"] .role-tab.active {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

:root[data-theme="dark"] .theme-toggle,
:root[data-theme="dark"] .dance-card.active .dance-cta,
:root[data-theme="dark"] #danceButton,
:root[data-theme="dark"] .result-card .primary,
:root[data-theme="dark"] .create-main-button {
  border-color: var(--accent);
  background: var(--accent);
  color: #141512;
}

:root[data-theme="dark"] .control-group button,
:root[data-theme="dark"] .video-marker-bar button,
:root[data-theme="dark"] .student-upload,
:root[data-theme="dark"] .check-toggle,
:root[data-theme="dark"] .video-mode-tabs {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

:root[data-theme="dark"] .video-mode-tab.active,
:root[data-theme="dark"] .video-mode-tab:hover,
:root[data-theme="dark"] .icon-action:hover {
  background: rgba(255, 255, 255, 0.92);
  color: #141512;
}

:root[data-theme="dark"] .section-note,
:root[data-theme="dark"] .panel-description,
:root[data-theme="dark"] .form-heading > span,
:root[data-theme="dark"] .dance-info > span,
:root[data-theme="dark"] .lesson-workspace-intro p,
:root[data-theme="dark"] .workspace-tips span,
:root[data-theme="dark"] .folder-card-note,
:root[data-theme="dark"] .studio-channel-copy p:not(.eyebrow),
:root[data-theme="dark"] .studio-fact strong,
:root[data-theme="dark"] .create-card label span {
  color: var(--muted);
}

:root[data-theme="dark"] .teacher-space-panel > .panel-head .teacher-actions button,
:root[data-theme="dark"] .teacher-space-panel > .panel-head .teacher-actions .ghost-action {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.95);
  color: #141512;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
}

:root[data-theme="dark"] .teacher-space-panel > .panel-head .teacher-actions .create-main-button {
  border-color: var(--accent);
  background: var(--accent);
  color: #141512;
}

:root[data-theme="dark"] .teacher-space-panel > .panel-head .teacher-actions button:hover {
  border-color: var(--accent);
  background: #fff;
  color: #141512;
}

:root[data-theme="dark"] .teacher-space-panel .teacher-empty-note {
  border-color: rgba(255, 207, 61, 0.36);
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 207, 61, 0.18), transparent 11rem),
    var(--surface-raised);
}

:root[data-theme="dark"] .folder-card:hover {
  border-color: var(--accent);
  background: #30363c;
}

:root[data-theme="dark"] input,
:root[data-theme="dark"] .profile-form input[type="text"],
:root[data-theme="dark"] .profile-form input[type="number"],
:root[data-theme="dark"] .create-card input {
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

/* Teacher group card and lesson controls polish */
#teacherGroupList.folder-grid {
  grid-template-columns: repeat(auto-fill, minmax(220px, 280px));
  justify-content: start;
  align-items: start;
}

#teacherGroupList .folder-card-group {
  width: min(100%, 280px);
  padding: 22px;
}

#teacherGroupList .folder-card-group .folder-icon {
  width: 74px;
  height: 74px;
  font-size: 1.7rem;
}

#teacherGroupList .folder-card-group .folder-icon b {
  font-size: 2.25rem;
}

#teacherGroupList .folder-card-group strong {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  line-height: 0.98;
}

#teacherGroupList .folder-card-group .folder-card-note {
  font-size: 1.02rem;
  line-height: 1.28;
}

#teacherGroupList .folder-card-group .folder-card-type {
  font-size: 0.74rem;
}

.control-band {
  position: static;
  bottom: auto;
  margin-top: 2px;
}

.control-group #danceButton,
#danceButton,
:root[data-theme="dark"] #danceButton {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent), #ffd95b);
  color: #141512;
  box-shadow: 0 14px 34px rgba(255, 207, 61, 0.22);
}

.control-group #danceButton:disabled,
#danceButton:disabled,
:root[data-theme="dark"] #danceButton:disabled {
  opacity: 1;
  border-color: rgba(255, 207, 61, 0.68);
  background: linear-gradient(135deg, rgba(255, 207, 61, 0.86), rgba(255, 217, 91, 0.72));
  color: rgba(20, 21, 18, 0.92);
  filter: saturate(0.92);
  box-shadow: inset 0 0 0 1px rgba(20, 21, 18, 0.08);
}

.control-group #practiceButton {
  border-color: rgba(255, 255, 255, 0.2);
}

@media (max-width: 560px) {
  #teacherGroupList.folder-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #teacherGroupList .folder-card-group {
    width: 100%;
    padding: 18px;
  }
}

/* Final teacher upload wizard cleanup */
.brand-lockup h1 {
  position: relative;
  display: inline-block;
}

.brand-lockup h1::after {
  content: "";
  position: absolute;
  right: -0.58em;
  bottom: 0.04em;
  width: 0.32em;
  height: 0.32em;
  border-radius: 50%;
  background: #ff684d;
  transform: scaleX(0.93);
}

.theme-toggle,
:root[data-theme="dark"] .theme-toggle {
  width: 54px;
  min-width: 54px;
  min-height: 42px;
  padding: 0;
  display: grid;
  place-items: center;
  font-size: 1.08rem;
  line-height: 1;
}

.theme-toggle::before,
:root[data-theme="dark"] .theme-toggle::before {
  content: none;
}

.app-shell.teacher-mode .video-mode-tabs {
  display: none;
}

.app-shell.teacher-mode .video-setup-panel {
  display: none;
}

.app-shell.teacher-mode .video-frame {
  position: relative;
}

.app-shell.teacher-mode:not(.teacher-video-ready) #teacherEmpty {
  display: none;
}

.teacher-upload-empty {
  z-index: 4;
}

.teacher-upload-empty strong {
  position: relative;
  z-index: 2;
  max-width: 980px;
  font-size: clamp(2.6rem, 5vw, 5rem);
  letter-spacing: -0.06em;
  line-height: 0.88;
}

.teacher-upload-empty span:not(.upload-cloud),
.teacher-upload-empty small {
  position: relative;
  z-index: 2;
}

.teacher-step-next {
  position: absolute;
  right: clamp(22px, 3vw, 44px);
  bottom: clamp(22px, 3vw, 44px);
  z-index: 8;
  min-width: 180px;
  min-height: 64px;
  align-self: auto;
}

.app-shell.teacher-mode[data-teacher-step="scan"] .teacher-step-next {
  pointer-events: none;
}

.app-shell.teacher-mode:not(.teacher-video-ready) .teacher-step-next {
  background: var(--accent);
  color: #141512;
}

.app-shell.teacher-mode .panel-head .eyebrow {
  color: var(--accent);
}

.app-shell.teacher-mode .panel-head h2 {
  max-width: 680px;
}

.app-shell.teacher-mode .panel-head .panel-description {
  max-width: 780px;
}

/* Theme segmented switch */
.theme-switch,
:root[data-theme="dark"] .theme-switch {
  width: 104px;
  min-width: 104px;
  min-height: 50px;
  border: 0;
  border-radius: 999px;
  padding: 5px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: #e9e5dd;
  color: #141512;
  box-shadow: inset 0 0 0 1px rgba(20, 21, 18, 0.06);
}

.theme-switch span {
  min-width: 0;
  border-radius: 999px;
  display: grid;
  place-items: center;
  font-size: 1.08rem;
  line-height: 1;
  color: rgba(20, 21, 18, 0.48);
}

.theme-switch span:first-child {
  background: #fff;
  color: #141512;
  box-shadow: 0 8px 20px rgba(20, 21, 18, 0.12);
}

:root[data-theme="dark"] .theme-switch {
  background: rgba(255, 255, 255, 0.08);
}

:root[data-theme="dark"] .theme-switch span:first-child {
  background: transparent;
  color: rgba(255, 255, 255, 0.5);
  box-shadow: none;
}

:root[data-theme="dark"] .theme-switch span:last-child {
  background: var(--accent);
  color: #141512;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
}

/* Published lesson cards */
.folder-card-lesson.is-published {
  border-color: rgba(200, 255, 72, 0.7);
  background:
    radial-gradient(circle at 88% 18%, rgba(200, 255, 72, 0.2), transparent 8rem),
    var(--panel);
}

.folder-card-status {
  width: fit-content;
  border-radius: 999px;
  padding: 6px 10px;
  margin-top: 10px;
  display: inline-grid;
  color: #141512;
  background: var(--accent);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.teacher-space-panel #teacherLessonList {
  grid-template-columns: repeat(auto-fill, minmax(260px, 320px));
  align-items: start;
  justify-content: start;
}

.lesson-showcase-card {
  min-height: 0;
  max-width: 320px;
  padding: 14px;
  border: 0;
  border-radius: 28px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 13px;
  align-items: stretch;
  background:
    radial-gradient(circle at 86% 14%, rgba(200, 255, 72, 0.08), transparent 10rem),
    #080c0d;
  color: #fffaf2;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.035),
    0 24px 70px rgba(0, 0, 0, 0.18);
  text-align: left;
}

.lesson-like {
  position: absolute;
  z-index: 9;
  top: 14px;
  left: 14px;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(16, 18, 15, 0.62);
  color: rgba(255, 250, 242, 0.86);
  font-size: 1.22rem;
  font-weight: 1000;
  line-height: 1;
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.22);
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
}

.lesson-like:hover,
.lesson-like:focus-visible {
  transform: translateY(-1px) scale(1.04);
  border-color: rgba(255, 255, 255, 0.58);
  outline: none;
}

.lesson-like.is-liked {
  background: #ff684d;
  border-color: rgba(255, 255, 255, 0.55);
  color: #10120f;
}

.lesson-showcase-card:hover {
  background:
    radial-gradient(circle at 86% 14%, rgba(200, 255, 72, 0.12), transparent 10rem),
    #070b0c;
  transform: translateY(-2px);
}

.lesson-showcase-preview {
  position: relative;
  min-height: 178px;
  border-radius: 20px;
  display: block;
  overflow: hidden;
  background: #101415;
}

.lesson-showcase-preview img {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  display: block;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.08) brightness(0.82);
}

.lesson-showcase-preview::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.36)),
    radial-gradient(circle at 50% 48%, rgba(0, 0, 0, 0.1), transparent 9rem);
}

.lesson-showcase-play {
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 50%;
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: rgba(16, 18, 15, 0.58);
  color: #fff;
  font-size: 1.15rem;
  box-shadow: 0 14px 38px rgba(0, 0, 0, 0.24);
}

.lesson-showcase-preview small {
  position: absolute;
  z-index: 2;
  left: 12px;
  bottom: 12px;
  width: fit-content;
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(0, 0, 0, 0.62);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 1000;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lesson-showcase-copy {
  display: grid;
  gap: 8px;
}

.lesson-showcase-copy .folder-card-type {
  color: rgba(74, 150, 122, 0.95);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

.lesson-showcase-copy strong {
  font-size: clamp(1.85rem, 3vw, 2.35rem);
  line-height: 0.92;
  letter-spacing: -0.08em;
  color: #fffaf2;
}

.lesson-showcase-copy .folder-card-note {
  max-width: 100%;
  color: rgba(230, 234, 224, 0.78);
  font-size: 1rem;
  font-weight: 850;
  line-height: 1.35;
}

.lesson-showcase-cta {
  min-height: 56px;
  border-radius: 999px;
  padding: 0 18px 0 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #ffd23f;
  color: #10120f;
  font-size: 0.98rem;
  font-weight: 1000;
  box-shadow: 0 18px 40px rgba(255, 210, 63, 0.18);
}

.lesson-showcase-cta b {
  font-size: 1.5rem;
  line-height: 1;
}

.lesson-showcase-card .folder-card-arrow,
.lesson-showcase-card .folder-icon,
.lesson-showcase-card .folder-card-status {
  display: none;
}

/* Unified square cards for studio space */
.teacher-space-panel #teacherGroupList.folder-grid,
.teacher-space-panel #teacherLessonList.folder-grid {
  grid-template-columns: repeat(auto-fill, minmax(260px, 320px));
  justify-content: start;
  align-items: start;
  gap: 18px;
}

.teacher-space-panel #teacherGroupList .folder-card-group,
.teacher-space-panel #teacherLessonList .folder-card-subgroup,
.teacher-space-panel #teacherLessonList .lesson-showcase-card {
  width: 100%;
  max-width: 320px;
  justify-self: start;
  min-height: 0;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.teacher-space-panel #teacherLessonList .lesson-showcase-card {
  border-radius: 30px;
}

.teacher-space-panel #teacherGroupList .folder-card-group,
.teacher-space-panel #teacherLessonList .folder-card-subgroup,
.teacher-space-panel #teacherLessonList .lesson-showcase-card,
.folder-card {
  position: relative;
}

.folder-delete {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 8;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(16, 18, 15, 0.72);
  color: #fffaf2;
  font-size: 1.6rem;
  font-weight: 900;
  line-height: 1;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
  opacity: 0;
  transform: translateY(-4px) scale(0.92);
  transition: opacity 160ms ease, transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.folder-card:hover .folder-delete,
.folder-card:focus-within .folder-delete {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.folder-delete:hover {
  background: linear-gradient(135deg, #ff684d, #ffd23f);
  border-color: rgba(255, 255, 255, 0.66);
  color: #10120f;
}

.teacher-space-panel #teacherGroupList .folder-card-group,
.teacher-space-panel #teacherLessonList .folder-card-subgroup {
  padding: clamp(34px, 4vw, 46px);
  border: 1px solid rgba(255, 210, 63, 0.42);
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(0, 1fr) auto;
  justify-items: center;
  align-items: stretch;
  align-content: center;
  gap: clamp(10px, 1.2vw, 14px);
  text-align: center;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 40%, rgba(200, 255, 72, 0.08), transparent 10rem),
    linear-gradient(145deg, rgba(54, 64, 70, 0.96), rgba(29, 34, 38, 0.98));
  color: #fffaf2;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.035),
    0 24px 70px rgba(0, 0, 0, 0.16);
}

.teacher-space-panel #teacherGroupList .folder-card-group .folder-icon,
.teacher-space-panel #teacherLessonList .folder-card-subgroup .folder-icon {
  order: 2;
  width: 100%;
  height: 100%;
  min-width: 0;
  margin: -4px auto -2px;
  border-radius: 0;
  border: 0;
  display: grid;
  place-items: center;
  background: transparent;
  color: #ffd23f;
  box-shadow: none;
  overflow: visible;
}

.teacher-space-panel #teacherGroupList .folder-card-group .folder-icon b,
.teacher-space-panel #teacherLessonList .folder-card-subgroup .folder-icon b,
.teacher-space-panel #teacherGroupList .folder-card-group .folder-icon span,
.teacher-space-panel #teacherLessonList .folder-card-subgroup .folder-icon span {
  color: #fffaf2;
  max-width: min(82%, 240px);
  overflow: hidden;
  text-align: center;
  font-size: clamp(5.4rem, 11.5vw, 9.8rem);
  font-weight: 1000;
  line-height: 0.72;
  letter-spacing: -0.14em;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.teacher-space-panel #teacherGroupList .folder-card-group .folder-card-copy,
.teacher-space-panel #teacherLessonList .folder-card-subgroup .folder-card-copy {
  display: contents;
}

.teacher-space-panel #teacherGroupList .folder-card-group .folder-card-type,
.teacher-space-panel #teacherLessonList .folder-card-subgroup .folder-card-type {
  order: 1;
  align-self: end;
  color: #10120f;
  max-width: 76%;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #c8ff48, #ffd23f);
  box-shadow: 0 10px 28px rgba(200, 255, 72, 0.12);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: clamp(0.72rem, 1.25vw, 0.9rem);
  font-weight: 950;
  letter-spacing: 0.16em;
}

.teacher-space-panel #teacherGroupList .folder-card-group strong,
.teacher-space-panel #teacherLessonList .folder-card-subgroup strong {
  display: none;
}

.teacher-space-panel #teacherGroupList .folder-card-group .folder-card-note,
.teacher-space-panel #teacherLessonList .folder-card-subgroup .folder-card-note {
  order: 3;
  align-self: start;
  display: -webkit-box;
  max-width: min(74%, 230px);
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  overflow: hidden;
  color: rgba(230, 234, 224, 0.82);
  font-size: clamp(0.82rem, 1.35vw, 1rem);
  line-height: 1.08;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.teacher-space-panel #teacherGroupList .folder-card-group .folder-card-arrow,
.teacher-space-panel #teacherLessonList .folder-card-subgroup .folder-card-arrow {
  position: absolute;
  right: 50%;
  bottom: 16px;
  color: var(--accent);
  font-size: 2rem;
  transform: translateX(50%);
}

.teacher-space-panel #teacherLessonList .lesson-showcase-card {
  padding: 14px;
  grid-template-rows: 42% auto 52px;
  gap: 10px;
}

.teacher-space-panel #teacherLessonList .lesson-showcase-preview {
  min-height: 0;
  height: 100%;
  border-radius: 22px;
}

.teacher-space-panel #teacherLessonList .lesson-showcase-copy {
  align-content: start;
  gap: 6px;
  min-height: 0;
}

.teacher-space-panel #teacherLessonList .lesson-showcase-copy strong {
  font-size: clamp(1.8rem, 3vw, 2.45rem);
}

.teacher-space-panel #teacherLessonList .lesson-showcase-copy .folder-card-note {
  display: -webkit-box;
  overflow: hidden;
  font-size: 0.92rem;
  line-height: 1.22;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.teacher-space-panel #teacherLessonList .lesson-showcase-cta {
  min-height: 52px;
  align-self: end;
}

/* Student one-window lesson room */
.app-shell.student-mode:not(.student-onboarding) .lesson-flow {
  margin-bottom: -10px;
  border-bottom-left-radius: 28px;
  border-bottom-right-radius: 28px;
  position: relative;
  z-index: 2;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid {
  border: 1px solid var(--line);
  border-radius: 34px 34px 0 0;
  padding: 18px;
  background:
    radial-gradient(circle at 88% 8%, rgba(200, 255, 72, 0.08), transparent 18rem),
    #10120f;
  box-shadow: var(--shadow);
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .studio-panel:first-child {
  min-height: clamp(520px, 64vh, 780px);
}

.app-shell.student-mode:not(.student-onboarding) .student-studio-panel {
  display: none;
}

.app-shell.student-mode.student-exam-mode .student-studio-panel,
.app-shell.student-mode.student-result-mode .student-studio-panel {
  display: grid;
}

.app-shell.student-mode.student-exam-mode .student-exam-submit {
  display: inline-flex;
  justify-self: end;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  margin-top: 14px;
  padding: 0 32px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
  box-shadow: 0 14px 34px rgba(200, 255, 72, 0.2);
}

.app-shell.student-mode:not(.student-onboarding) .control-band {
  margin-top: -2px;
  border-radius: 0 0 34px 34px;
  border: 1px solid var(--line);
  border-top: 0;
  background: #10120f;
}

.app-shell.student-mode:not(.student-onboarding) .metrics-grid {
  display: none;
}

.app-shell.student-mode.student-result-mode .metrics-grid {
  display: grid;
}

.app-shell.student-mode:not(.student-onboarding) .dance-feed {
  border-radius: 30px;
}

.result-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.result-actions .primary {
  width: 100%;
}

.student-progress-row.is-current {
  border-color: rgba(200, 255, 72, 0.58);
  background: rgba(200, 255, 72, 0.08);
}

/* Final mobile pass */
.theme-switch,
:root[data-theme="dark"] .theme-switch {
  width: 118px;
  min-width: 118px;
  min-height: 58px;
  padding: 6px;
}

.theme-switch span {
  min-height: 46px;
  border-radius: 999px;
  font-size: 1.28rem;
}

.theme-switch span:first-child,
:root[data-theme="dark"] .theme-switch span:last-child {
  transform: scale(1.02);
}

@media (max-width: 760px) {
  body {
    padding: 10px;
  }

  .app-shell {
    width: min(100%, 100vw - 20px);
    gap: 14px;
  }

  .topbar {
    position: sticky;
    top: 8px;
    border-radius: 28px;
    padding: 10px;
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand theme"
      "roles roles";
    gap: 10px;
  }

  .brand-lockup {
    grid-area: brand;
    min-width: 0;
    gap: 10px;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
  }

  .brand-lockup .eyebrow {
    font-size: 0.58rem;
    letter-spacing: 0.08em;
  }

  .brand-lockup h1,
  .topbar h1 {
    font-size: 1.55rem;
  }

  .theme-switch {
    grid-area: theme;
    justify-self: end;
  }

  .role-tabs {
    grid-area: roles;
    width: 100%;
  }

  .role-tab {
    min-height: 48px;
    font-size: 0.95rem;
  }

  .level-profile-card,
  .lesson-flow,
  .dance-feed,
  .stage-grid,
  .control-band,
  .metrics-grid,
  .teacher-space-panel,
  .teacher-students-panel {
    width: 100%;
  }

  .score-pill {
    min-height: 210px;
    border-radius: 26px;
    padding: 22px;
    grid-template-columns: auto minmax(0, 1fr);
  }

  .score-pill .level-badge {
    grid-column: 1 / -1;
    justify-self: end;
    font-size: clamp(3.4rem, 18vw, 5.4rem);
  }

  .score-pill h2 {
    font-size: clamp(2rem, 11vw, 3.4rem);
    overflow-wrap: anywhere;
  }

  .lesson-flow,
  .pipeline-steps {
    border-radius: 26px;
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 6px;
  }

  .flow-step,
  .pipeline-step {
    min-height: 48px;
    border-radius: 20px;
    grid-template-columns: auto 1fr;
  }

  .dance-feed {
    border-radius: 28px;
    padding: 14px;
  }

  .feed-head {
    display: grid;
    align-items: start;
  }

  .dance-cards,
  .folder-grid,
  #teacherGroupList.folder-grid {
    grid-template-columns: 1fr;
  }

  #teacherGroupList .folder-card-group,
  .folder-card {
    width: 100%;
  }

  .folder-card-group {
    aspect-ratio: auto;
    min-height: 210px;
  }

  .app-shell.student-mode:not(.student-onboarding) .stage-grid,
  .stage-grid {
    border-radius: 28px 28px 0 0;
    padding: 10px;
    grid-template-columns: 1fr;
  }

  .studio-panel {
    border-radius: 24px;
  }

  .panel-head {
    padding: 16px;
    display: grid;
    gap: 14px;
  }

  .panel-head h2 {
    font-size: clamp(2rem, 12vw, 3.4rem);
    line-height: 0.95;
  }

  .app-shell.student-mode:not(.student-onboarding) .stage-grid .studio-panel:first-child,
  .app-shell.teacher-mode .stage-grid .studio-panel:first-child {
    min-height: 0;
  }

  .video-frame,
  .app-shell.teacher-mode .video-frame,
  .app-shell.teacher-mode.teacher-video-ready .video-frame {
    margin: 0 8px;
    min-height: clamp(360px, 78vh, 620px);
    border-radius: 22px;
  }

  .teacher-upload-empty {
    inset: 12px;
    border-radius: 22px;
    padding: 18px;
  }

  .teacher-upload-empty .upload-cloud {
    width: 76px;
    height: 76px;
    border-radius: 24px;
    font-size: 2.5rem;
  }

  .teacher-upload-empty strong {
    font-size: clamp(2.25rem, 12vw, 4rem);
  }

  .teacher-upload-empty span:not(.upload-cloud) {
    font-size: 0.98rem;
  }

  .teacher-step-next {
    right: 20px;
    bottom: 20px;
    min-width: 150px;
    min-height: 58px;
    border-radius: 20px;
  }

  .video-marker-bar {
    grid-template-columns: auto 1fr;
    min-height: auto;
    gap: 10px;
  }

  .timeline-shell,
  .timeline-actions,
  .view-toggles {
    grid-column: 1 / -1;
  }

  .timeline-actions,
  .view-toggles,
  .control-group,
  .sliders {
    grid-template-columns: 1fr;
  }

  .app-shell.student-mode:not(.student-onboarding) .control-band,
  .control-band {
    grid-template-columns: 1fr;
    border-radius: 0 0 28px 28px;
    padding: 14px;
  }

  .toggle {
    justify-self: start;
  }

  .metrics-grid {
    grid-template-columns: 1fr;
  }

  .teacher-space-panel > .panel-head {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .teacher-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .teacher-actions button {
    width: 100%;
    min-height: 50px;
  }

  .teacher-folder-view,
  .teacher-folder-view[data-teacher-view="root"],
  .teacher-folder-view[data-teacher-view="studio"],
  .teacher-folder-view.lesson-view {
    grid-template-columns: 1fr;
  }

  .studio-channel {
    grid-template-columns: 1fr;
  }

  .studio-channel-cover {
    min-height: 220px;
  }

  .student-progress-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .student-progress-row b {
    text-align: left;
  }

  .result-card,
  .create-card {
    width: min(100%, 94vw);
    border-radius: 26px;
  }

  #teacherGroupList.folder-grid,
  .teacher-space-panel .folder-grid {
    width: 100%;
    max-width: none;
    grid-template-columns: 1fr;
    justify-content: stretch;
  }

  #teacherGroupList .folder-card-group,
  .teacher-space-panel .folder-card {
    width: 100%;
    max-width: none;
    justify-self: stretch;
  }
}

@media (max-width: 420px) {
  body {
    padding: 6px;
  }

  .app-shell {
    width: min(100%, 100vw - 12px);
  }

  .topbar {
    border-radius: 24px;
  }

  .theme-switch,
  :root[data-theme="dark"] .theme-switch {
    width: 104px;
    min-width: 104px;
    min-height: 52px;
    padding: 5px;
  }

  .theme-switch span {
    min-height: 42px;
    font-size: 1.12rem;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
  }

  .brand-lockup h1,
  .topbar h1 {
    font-size: 1.35rem;
  }

  .brand-lockup .eyebrow {
    max-width: 132px;
    white-space: normal;
    line-height: 1.05;
  }

  .video-frame,
  .app-shell.teacher-mode .video-frame,
  .app-shell.teacher-mode.teacher-video-ready .video-frame {
    min-height: 330px;
  }

  .teacher-upload-empty strong {
    font-size: clamp(2rem, 13vw, 3.2rem);
  }

  .studio-channel-section {
    padding: 14px;
  }

  #teacherGroupList.folder-grid {
    display: block !important;
    width: 100% !important;
  }

  #teacherGroupList .folder-card-group {
    width: 100% !important;
    max-width: none !important;
    aspect-ratio: auto !important;
    min-height: 210px;
  }
}

/* Stage 1 visual corrections */
.brand-lockup h1::after {
  bottom: 0.18em;
}

.theme-switch,
:root[data-theme="dark"] .theme-switch {
  width: 126px;
  min-width: 126px;
  min-height: 64px;
  padding: 7px;
  border-radius: 30px;
  gap: 6px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.12), rgba(20, 21, 18, 0.08)),
    #252a2b;
  box-shadow:
    inset 0 0 0 2px rgba(200, 255, 72, 0.48),
    0 14px 34px rgba(20, 21, 18, 0.22);
}

.theme-switch span {
  width: 100%;
  height: 100%;
  justify-self: stretch;
  align-self: stretch;
  min-height: 50px;
  border-radius: 23px;
  font-size: 1.25rem;
}

.theme-switch span:first-child {
  background: linear-gradient(135deg, #ffe071, #ffc93a);
  color: #141512;
  box-shadow:
    inset 0 0 0 2px rgba(20, 21, 18, 0.08),
    0 10px 24px rgba(0, 0, 0, 0.22);
}

:root[data-theme="dark"] .theme-switch span:last-child {
  background: linear-gradient(135deg, #ffe071, #ffc93a);
  color: #141512;
  box-shadow:
    inset 0 0 0 2px rgba(20, 21, 18, 0.08),
    0 10px 24px rgba(0, 0, 0, 0.22);
}

/* Studio information board */
.studio-channel-copy {
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 32px);
  align-items: stretch;
}

.studio-channel-identity {
  display: grid;
  align-content: start;
}

.studio-channel-divider {
  width: 100%;
  height: 4px;
  margin: 22px 0 20px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), #ff684d);
}

.studio-channel-tools {
  position: absolute;
  inset: 24px;
  z-index: 6;
  pointer-events: none;
}

.teacher-space-panel .studio-channel-identity {
  padding-right: min(380px, 34vw);
}

.teacher-space-panel .studio-channel-divider {
  width: calc(100% + min(380px, 34vw));
  max-width: calc(100vw - 96px);
}

.studio-channel-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
}

.studio-channel-facts,
.studio-channel-facts::before {
  display: contents;
}

.studio-channel-regalia {
  border: 1px solid rgba(200, 255, 72, 0.26);
  border-radius: 28px;
  padding: clamp(18px, 3vw, 28px);
  display: grid;
  align-content: center;
  gap: 16px;
  background:
    radial-gradient(circle at 80% 10%, rgba(200, 255, 72, 0.18), transparent 9rem),
    rgba(255, 255, 255, 0.055);
}

.studio-channel-regalia h4 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.regalia-list {
  display: grid;
  gap: 10px;
}

.regalia-list span {
  border-radius: 18px;
  padding: 12px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 800;
}

.regalia-list b {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #141512;
  background: var(--accent);
}

/* Student lesson controls belong to video room */
.app-shell.student-mode:not(.student-onboarding) .control-band {
  width: calc(100% - 72px);
  justify-self: center;
  margin: -128px auto 0;
  position: relative;
  z-index: 8;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  background:
    radial-gradient(circle at 70% 18%, rgba(200, 255, 72, 0.1), transparent 14rem),
    rgba(10, 12, 10, 0.9);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid {
  padding-bottom: 150px;
}

@media (max-width: 760px) {
  .theme-switch,
  :root[data-theme="dark"] .theme-switch {
    width: 112px;
    min-width: 112px;
    min-height: 58px;
    border-radius: 28px;
    padding: 6px;
  }

  .theme-switch span {
    min-height: 46px;
    border-radius: 22px;
  }

  .studio-channel-copy,
  .studio-channel-details {
    grid-template-columns: 1fr;
  }

  .studio-channel-divider {
    margin: 18px 0;
  }

  .app-shell.student-mode:not(.student-onboarding) .control-band {
    width: calc(100% - 24px);
    margin-top: -96px;
  }

  .app-shell.student-mode:not(.student-onboarding) .stage-grid {
    padding-bottom: 120px;
  }
}

/* Stage 2 corrections */
.theme-switch,
:root[data-theme="dark"] .theme-switch {
  width: 70px;
  min-width: 70px;
  min-height: 62px;
  overflow: hidden;
  grid-template-columns: 52px 52px;
  justify-content: start;
  transition:
    width 180ms ease,
    min-width 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease;
}

:root[data-theme="dark"] .theme-switch {
  justify-content: end;
}

.theme-switch:hover,
.theme-switch:focus-visible,
:root[data-theme="dark"] .theme-switch:hover,
:root[data-theme="dark"] .theme-switch:focus-visible {
  width: 126px;
  min-width: 126px;
}

.theme-switch span {
  width: 52px;
  min-width: 52px;
  height: 50px;
  min-height: 50px;
  transition:
    opacity 160ms ease,
    transform 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease;
}

.theme-switch span:first-child {
  opacity: 1;
}

.theme-switch span:last-child {
  opacity: 0.45;
  transform: scale(0.9);
}

:root[data-theme="dark"] .theme-switch span:first-child {
  opacity: 0.45;
  transform: scale(0.9);
}

:root[data-theme="dark"] .theme-switch span:last-child {
  opacity: 1;
  transform: scale(1);
}

.theme-switch:hover span,
.theme-switch:focus-visible span {
  opacity: 1;
}

#studentAccountContent,
.level-profile-card,
.score-pill {
  width: 100%;
}

.app-shell.student-mode:not(.student-onboarding) .level-profile-card {
  justify-self: stretch;
}

.app-shell.student-mode:not(.student-onboarding) .score-pill {
  display: grid;
  box-sizing: border-box;
  min-height: 260px;
  inline-size: 100%;
  max-inline-size: none;
}

.app-shell.student-mode:not(.student-onboarding) .level-profile-card {
  display: block;
  inline-size: 100%;
  max-inline-size: none;
}

.app-shell.student-mode:not(.student-onboarding) .teacher-upload-empty,
.app-shell.student-mode:not(.student-onboarding) .teacher-step-next {
  display: none !important;
}

.app-shell.student-mode:not(.student-onboarding) .lesson-flow {
  margin: 0;
  border-radius: 999px;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid {
  margin-top: 0;
  border-radius: 34px;
  padding: 22px;
  display: grid;
  gap: 0;
  background:
    radial-gradient(circle at 76% 8%, rgba(200, 255, 72, 0.12), transparent 22rem),
    linear-gradient(135deg, #11140f 0%, #11140f 48%, #172113 100%);
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .studio-panel:first-child {
  min-height: clamp(560px, 70vh, 820px);
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .studio-panel:first-child .panel-head {
  display: grid;
  grid-template-columns: minmax(260px, 0.5fr) minmax(320px, 0.5fr);
  gap: clamp(18px, 4vw, 48px);
  align-items: center;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .studio-panel:first-child .panel-head h2 {
  max-width: 430px;
}

.app-shell.student-mode:not(.student-onboarding) .video-frame {
  margin-top: 18px;
  min-height: clamp(420px, 54vw, 720px);
}

.app-shell.student-mode:not(.student-onboarding) #teacherEmpty {
  display: grid;
}

.app-shell.student-mode:not(.student-onboarding) .control-band {
  width: calc(100% - 44px);
  margin-top: -112px;
}

@media (max-width: 760px) {
  .app-shell.student-mode:not(.student-onboarding) .stage-grid .studio-panel:first-child .panel-head {
    grid-template-columns: 1fr;
  }

  .app-shell.student-mode:not(.student-onboarding) .score-pill {
    min-height: 230px;
  }

  .app-shell.student-mode:not(.student-onboarding) .video-frame {
    min-height: 390px;
  }

  .app-shell.student-mode:not(.student-onboarding) .control-band {
    width: calc(100% - 20px);
    margin-top: -92px;
  }
}

/* Student lesson room: informational header + one flipping workspace */
.app-shell.student-mode:not(.student-onboarding) .lesson-workspace-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, 0.8fr);
  gap: clamp(16px, 3vw, 34px);
  align-items: center;
  margin-top: 22px;
  padding: clamp(18px, 3vw, 28px);
  border: 1px solid rgba(16, 18, 15, 0.12);
  border-radius: 30px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(255, 250, 243, 0.66)),
    radial-gradient(circle at 0% 0%, rgba(199, 255, 48, 0.16), transparent 16rem);
  box-shadow: 0 24px 70px rgba(16, 18, 15, 0.08);
}

.app-shell.student-mode:not(.student-onboarding) .lesson-workspace-intro h2 {
  max-width: none;
  margin-top: 6px;
  font-size: clamp(2rem, 4.4vw, 4rem);
  line-height: 0.96;
}

.app-shell.student-mode:not(.student-onboarding) .lesson-workspace-intro p:not(.eyebrow) {
  max-width: 760px;
  margin-top: 12px;
  color: var(--muted);
  font-size: clamp(1rem, 1.55vw, 1.35rem);
}

.app-shell.student-mode:not(.student-onboarding) .workspace-tips {
  align-content: center;
}

.app-shell.student-mode:not(.student-onboarding) .workspace-tips span {
  background: rgba(255, 255, 255, 0.58);
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid {
  grid-template-columns: 1fr !important;
  gap: 0 !important;
  width: 100%;
  margin-top: 16px;
  padding: clamp(12px, 2vw, 18px);
  border-radius: 36px 36px 0 0;
  overflow: hidden;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .studio-panel:first-child,
.app-shell.student-mode.student-exam-mode .student-studio-panel,
.app-shell.student-mode.student-result-mode .student-studio-panel {
  grid-column: 1 / -1;
  width: 100%;
  min-width: 0;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .studio-panel:first-child {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .studio-panel:first-child > .panel-head {
  display: none !important;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .video-frame {
  margin-top: 0;
  min-height: clamp(520px, 62vw, 820px);
  border-radius: 28px;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .video-marker-bar {
  margin-top: 14px;
}

.app-shell.student-mode.student-exam-mode .stage-grid .studio-panel:first-child,
.app-shell.student-mode.student-result-mode .stage-grid .studio-panel:first-child {
  display: none;
}

.app-shell.student-mode.student-exam-mode .student-studio-panel,
.app-shell.student-mode.student-result-mode .student-studio-panel {
  min-height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.app-shell.student-mode.student-exam-mode .student-studio-panel .video-frame,
.app-shell.student-mode.student-result-mode .student-studio-panel .video-frame {
  overflow: hidden;
  isolation: isolate;
}

.app-shell.student-mode.student-exam-mode .student-studio-panel .video-marker-bar,
.app-shell.student-mode.student-result-mode .student-studio-panel .video-marker-bar {
  position: relative;
  z-index: 2;
}

.app-shell.student-mode.student-exam-mode .student-studio-panel .panel-head,
.app-shell.student-mode.student-result-mode .student-studio-panel .panel-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  margin-bottom: 16px;
  padding: 18px 20px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.06);
}

.app-shell.student-mode:not(.student-onboarding) .control-band {
  width: 100%;
  margin: -23px 0 0;
  padding: clamp(18px, 2.5vw, 26px);
  border-radius: 0 0 36px 36px;
  border: 1px solid var(--line);
  border-top: 0;
  background:
    radial-gradient(circle at 76% 0%, rgba(200, 255, 72, 0.12), transparent 17rem),
    #10120f;
  box-shadow: var(--shadow);
}

.app-shell.student-mode:not(.student-onboarding) .control-band .control-copy strong {
  max-width: 260px;
}

.app-shell.student-mode:not(.student-onboarding) .statusbar {
  display: none !important;
}

:root[data-theme="dark"] .app-shell.student-mode:not(.student-onboarding) .lesson-workspace-intro {
  border-color: rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at 0% 0%, rgba(199, 255, 48, 0.12), transparent 16rem),
    linear-gradient(135deg, rgba(22, 26, 22, 0.96), rgba(14, 16, 14, 0.92));
}

:root[data-theme="dark"] .app-shell.student-mode:not(.student-onboarding) .workspace-tips span {
  background: rgba(255, 255, 255, 0.05);
}

@media (max-width: 900px) {
  .app-shell.student-mode:not(.student-onboarding) .lesson-workspace-intro {
    grid-template-columns: 1fr;
  }

  .app-shell.student-mode:not(.student-onboarding) .stage-grid .video-frame {
    min-height: clamp(430px, 86vw, 680px);
  }
}

@media (max-width: 640px) {
  .app-shell.student-mode:not(.student-onboarding) .lesson-workspace-intro {
    border-radius: 24px;
    padding: 18px;
  }

  .app-shell.student-mode:not(.student-onboarding) .stage-grid {
    padding: 10px;
    border-radius: 28px 28px 0 0;
  }

  .app-shell.student-mode:not(.student-onboarding) .stage-grid .video-frame {
    min-height: 360px;
    border-radius: 22px;
  }

  .app-shell.student-mode:not(.student-onboarding) .control-band {
    border-radius: 0 0 28px 28px;
  }

  .app-shell.student-mode.student-exam-mode .student-studio-panel .panel-head,
  .app-shell.student-mode.student-result-mode .student-studio-panel .panel-head {
    grid-template-columns: 1fr;
  }

  .app-shell.student-mode.student-exam-mode .student-exam-submit {
    width: 100%;
    min-height: 58px;
    justify-self: stretch;
    margin-top: 12px;
    border-radius: 22px;
  }
}

/* Student room polish: compact theme switch, connected header, ergonomic controls */
.theme-switch,
:root[data-theme="dark"] .theme-switch {
  width: 54px;
  min-width: 54px;
  min-height: 48px;
  grid-template-columns: 38px 38px;
  padding: 5px;
  border-radius: 22px;
  gap: 4px;
  box-shadow:
    inset 0 0 0 2px rgba(200, 255, 72, 0.28),
    0 10px 24px rgba(20, 21, 18, 0.16);
}

.theme-switch:hover,
.theme-switch:focus-visible,
:root[data-theme="dark"] .theme-switch:hover,
:root[data-theme="dark"] .theme-switch:focus-visible {
  width: 92px;
  min-width: 92px;
}

.theme-switch span {
  width: 38px;
  min-width: 38px;
  height: 38px;
  min-height: 38px;
  border-radius: 17px;
  font-size: 1rem;
}

.app-shell.student-mode:not(.student-onboarding) .lesson-workspace-intro {
  margin-bottom: 0;
  border-bottom: 0;
  border-radius: 30px 30px 0 0;
  box-shadow: 0 18px 50px rgba(16, 18, 15, 0.06);
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid {
  margin-top: -22px;
  border-top-left-radius: 0;
  border-top-right-radius: 0;
  border-bottom-left-radius: 36px;
  border-bottom-right-radius: 36px;
  border-top-color: transparent;
}

.app-shell.student-mode:not(.student-onboarding) .student-video-steps {
  margin: 6px 0 18px;
}

.app-shell.teacher-mode .student-video-steps {
  display: none;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .video-frame {
  min-height: clamp(500px, 56vw, 760px);
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .video-marker-bar {
  display: grid;
  grid-template-columns: auto auto minmax(220px, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.035)),
    rgba(9, 11, 9, 0.86);
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .transport-button {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
  box-shadow: 0 12px 28px rgba(200, 255, 72, 0.22);
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .video-time {
  min-width: 94px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .timeline-shell {
  min-width: 0;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .timeline-actions,
.app-shell.student-mode:not(.student-onboarding) .stage-grid .view-toggles {
  display: none !important;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .timeline-actions button,
.app-shell.student-mode:not(.student-onboarding) .stage-grid .view-toggles label {
  min-height: 42px;
  border-radius: 16px;
  padding: 0 14px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.app-shell.student-mode:not(.student-onboarding) .control-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  grid-template-areas: "sliders mirror actions";
  gap: 12px;
  align-items: end;
  margin-top: 10px;
  padding: 0 0 4px;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.app-shell.student-mode:not(.student-onboarding) .student-video-controls {
  border: 0;
  background: transparent;
}

.app-shell.teacher-mode .student-video-controls {
  display: none;
}

.app-shell.student-mode:not(.student-onboarding) .control-copy {
  display: none !important;
}

.app-shell.student-mode:not(.student-onboarding) .control-copy strong {
  font-size: clamp(1.05rem, 1.45vw, 1.35rem);
  line-height: 1.05;
}

.app-shell.student-mode:not(.student-onboarding) .control-group {
  grid-area: actions;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  align-items: center;
}

.app-shell.student-mode:not(.student-onboarding).student-step-publish .control-group {
  display: flex;
}

.app-shell.student-mode:not(.student-onboarding) .control-group button {
  min-height: 52px;
  border-radius: 18px;
  padding: 0 18px;
  white-space: nowrap;
}

.app-shell.student-mode:not(.student-onboarding) #practiceButton,
.app-shell.student-mode:not(.student-onboarding) #danceButton {
  display: none !important;
}

.app-shell.student-mode:not(.student-onboarding) #studentRetakeStepButton {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.9);
}

.app-shell.student-mode:not(.student-onboarding) #studentStepNextButton {
  min-width: 148px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
}

.app-shell.student-mode:not(.student-onboarding) .sliders {
  grid-area: sliders;
  display: grid;
  grid-template-columns: repeat(2, minmax(130px, 1fr));
  gap: 12px;
  align-items: center;
}

.app-shell.student-mode:not(.student-onboarding) .sliders label {
  display: grid;
  grid-template-columns: auto minmax(90px, 1fr) auto;
  gap: 8px;
  align-items: center;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.055);
}

.app-shell.student-mode:not(.student-onboarding) .sliders label span,
.app-shell.student-mode:not(.student-onboarding) .sliders label strong,
.app-shell.student-mode:not(.student-onboarding) .toggle {
  color: rgba(255, 255, 255, 0.76);
}

.app-shell.student-mode:not(.student-onboarding) .toggle {
  grid-area: mirror;
  min-height: 52px;
  justify-content: flex-end;
  padding: 0 4px 0 10px;
}

.progress-card {
  width: min(940px, calc(100vw - 32px));
}

.dancer-profile-details {
  display: grid;
  gap: 14px;
  margin: 18px 0;
}

.dancer-hero {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 16px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 88% 20%, rgba(200, 255, 72, 0.24), transparent 12rem),
    linear-gradient(135deg, rgba(18, 20, 17, 0.94), rgba(34, 38, 30, 0.9));
  color: #fff;
}

.dancer-avatar {
  width: 78px;
  height: 78px;
  border-radius: 24px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
  font-size: 2.3rem;
  font-weight: 950;
}

.dancer-hero h3 {
  margin: 2px 0;
  font-size: clamp(1.8rem, 4vw, 3.8rem);
  line-height: 0.95;
}

.dancer-hero small {
  color: rgba(255, 255, 255, 0.66);
  font-weight: 800;
}

.dancer-level {
  min-width: 92px;
  min-height: 92px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.1);
  color: var(--accent);
  font-size: 1.2rem;
}

.dancer-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.dancer-stats span,
.dancer-next {
  border-radius: 22px;
  padding: 14px;
  background: rgba(16, 18, 15, 0.06);
}

.dancer-stats b {
  display: block;
  font-size: 1.18rem;
}

.dancer-stats small,
.dancer-next small {
  color: var(--muted);
  font-weight: 800;
}

.dancer-style-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dancer-style-cloud span {
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(200, 255, 72, 0.16);
  color: var(--green);
  font-weight: 900;
}

.dancer-next {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  align-items: center;
}

.dancer-next span {
  grid-row: span 2;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent);
}

.completed-lessons-panel {
  border-radius: 34px;
  padding: clamp(18px, 3vw, 28px);
  background:
    radial-gradient(circle at 84% 10%, rgba(200, 255, 72, 0.12), transparent 14rem),
    rgba(16, 18, 15, 0.055);
}

.completed-lessons-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 16px;
}

.completed-lessons-head h3 {
  margin: 0;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.completed-lessons-tabs {
  padding: 5px;
  border-radius: 999px;
  display: inline-flex;
  gap: 4px;
  background: rgba(16, 18, 15, 0.06);
  box-shadow: inset 0 0 0 1px rgba(16, 18, 15, 0.06);
}

.completed-lessons-tabs button {
  min-height: 42px;
  border: 0;
  border-radius: 999px;
  padding: 0 16px;
  background: transparent;
  color: rgba(16, 18, 15, 0.56);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 950;
  cursor: pointer;
}

.completed-lessons-tabs button.active {
  background: #10120f;
  color: #fffaf2;
  box-shadow: 0 12px 30px rgba(16, 18, 15, 0.12);
}

:root[data-theme="dark"] .completed-lessons-tabs {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

:root[data-theme="dark"] .completed-lessons-tabs button {
  color: rgba(255, 250, 242, 0.62);
}

:root[data-theme="dark"] .completed-lessons-tabs button.active {
  background: #fffaf2;
  color: #10120f;
}

.completed-lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

.completed-lessons-grid:has(.student-empty-lesson-card) {
  grid-template-columns: 1fr;
}

.completed-lessons-grid > .student-empty-lesson-card {
  justify-self: start;
}

.completed-lesson-card {
  min-height: 220px;
  border-radius: 26px;
  padding: 12px;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 12px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: inset 0 0 0 1px rgba(16, 18, 15, 0.08);
}

.completed-lesson-preview {
  position: relative;
  min-height: 126px;
  border-radius: 20px;
  overflow: hidden;
  background: #10120f;
}

.completed-lesson-preview img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.completed-lesson-preview i {
  position: absolute;
  right: 12px;
  bottom: 12px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--accent);
  color: #10120f;
  font-style: normal;
  font-weight: 1000;
}

.completed-lesson-copy {
  display: grid;
  gap: 4px;
}

.completed-lesson-copy small {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
  font-weight: 900;
}

.completed-lesson-copy strong {
  font-size: clamp(1.35rem, 2.4vw, 2rem);
  line-height: 0.95;
}

.completed-lesson-copy b {
  color: #ffd23f;
  letter-spacing: 0.03em;
}

.completed-lessons-empty {
  border-radius: 24px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
  font-weight: 850;
}

@media (max-width: 1100px) {
  .app-shell.student-mode:not(.student-onboarding) .stage-grid .video-marker-bar,
  .app-shell.student-mode:not(.student-onboarding) .control-band {
    grid-template-columns: 1fr;
  }

  .app-shell.student-mode:not(.student-onboarding) .stage-grid .timeline-actions,
  .app-shell.student-mode:not(.student-onboarding) .stage-grid .view-toggles,
  .app-shell.student-mode:not(.student-onboarding) .toggle {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .theme-switch,
  :root[data-theme="dark"] .theme-switch {
    width: 48px;
    min-width: 48px;
    min-height: 44px;
    grid-template-columns: 34px 34px;
    border-radius: 20px;
  }

  .theme-switch:hover,
  .theme-switch:focus-visible,
  :root[data-theme="dark"] .theme-switch:hover,
  :root[data-theme="dark"] .theme-switch:focus-visible {
    width: 80px;
    min-width: 80px;
  }

  .theme-switch span {
    width: 34px;
    min-width: 34px;
    height: 34px;
    min-height: 34px;
    border-radius: 15px;
  }

  .app-shell.student-mode:not(.student-onboarding) .lesson-workspace-intro {
    border-radius: 24px 24px 0 0;
  }

  .app-shell.student-mode:not(.student-onboarding) .control-group,
  .app-shell.student-mode:not(.student-onboarding) .sliders,
  .dancer-stats {
    grid-template-columns: 1fr;
  }

  .dancer-hero {
    grid-template-columns: 1fr;
  }

  .dancer-level {
    min-width: 0;
    width: 100%;
    min-height: 58px;
    border-radius: 18px;
  }
}

/* Studio achievements: compact medal collection */
.studio-channel-regalia {
  align-content: start;
  gap: 14px;
}

.studio-channel-regalia .eyebrow {
  color: var(--accent);
}

.studio-channel-regalia h4 {
  font-size: clamp(1.45rem, 2.4vw, 2.15rem);
}

.studio-invite-button {
  position: absolute;
  top: 0;
  right: 0;
  width: fit-content;
  min-height: 46px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  justify-self: end;
  margin: 0;
  border-radius: 999px;
  padding: 0 18px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
  border-color: transparent;
  box-shadow: 0 16px 36px rgba(200, 255, 72, 0.22);
  pointer-events: auto;
}

.studio-invite-button span {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #d6df3f;
  color: #10120f;
  box-shadow: inset 0 0 0 1px rgba(16, 18, 15, 0.06);
  font-weight: 1000;
}

.studio-library-tabs {
  position: absolute;
  right: 0;
  bottom: 0;
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(110px, 1fr));
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(16, 18, 15, 0.06);
  pointer-events: auto;
}

.studio-library-tabs button {
  min-height: 42px;
  border-radius: 999px;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

.studio-library-tabs button.active {
  background: #10120f;
  color: #fff;
  box-shadow: 0 12px 28px rgba(16, 18, 15, 0.14);
}

.studio-library-panel[hidden] {
  display: none !important;
}

.student-folder-card .folder-icon {
  background:
    radial-gradient(circle at 34% 22%, rgba(255, 255, 255, 0.7), transparent 2rem),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
}

.invite-card-modal {
  width: min(760px, calc(100vw - 32px));
}

.invite-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.invite-note-field {
  grid-column: span 2;
}

.invite-fields select,
.invite-fields textarea {
  width: 100%;
  border: 1px solid rgba(16, 18, 15, 0.12);
  border-radius: 18px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  font: inherit;
  font-weight: 800;
}

.invite-fields textarea {
  min-height: 92px;
  resize: vertical;
}

.invite-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  border: 1px solid rgba(200, 255, 72, 0.26);
  border-radius: 24px;
  padding: 14px;
  background: rgba(200, 255, 72, 0.1);
}

.invite-result[hidden] {
  display: none !important;
}

.invite-result small,
.invite-result strong {
  display: block;
}

.invite-result small {
  color: var(--muted);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.invite-result strong {
  margin-top: 4px;
  overflow-wrap: anywhere;
  font-size: 0.95rem;
}

.invite-qr {
  width: 116px;
  height: 116px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 10px;
  border-radius: 22px;
  background: #fff;
  box-shadow: inset 0 0 0 2px rgba(16, 18, 15, 0.08);
}

.invite-qr span {
  border-radius: 6px;
  background: #10120f;
}

.invite-qr span:nth-child(2n),
.invite-qr span:nth-child(5),
.invite-qr span:nth-child(11) {
  background: rgba(16, 18, 15, 0.18);
}

:root[data-theme="dark"] .studio-library-tabs {
  background: rgba(255, 255, 255, 0.07);
}

:root[data-theme="dark"] .studio-library-tabs button.active {
  background: #fff;
  color: #10120f;
}

:root[data-theme="dark"] .invite-fields select,
:root[data-theme="dark"] .invite-fields textarea {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

@media (max-width: 720px) {
  .invite-fields,
  .invite-result {
    grid-template-columns: 1fr;
  }

  .invite-note-field {
    grid-column: auto;
  }
}

.achievement-orbit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(96px, 1fr));
  gap: 12px;
}

.achievement-medal {
  min-width: 0;
  display: grid;
  justify-items: center;
  gap: 8px;
  text-align: center;
}

.achievement-medal b {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #10120f;
  font-size: 1.75rem;
  background:
    radial-gradient(circle at 34% 28%, rgba(255, 255, 255, 0.92), transparent 1.15rem),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow:
    inset 0 0 0 3px rgba(16, 18, 15, 0.08),
    0 16px 28px rgba(16, 18, 15, 0.16);
}

.achievement-medal b::after {
  content: "★";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(16, 18, 15, 0.1);
  font-size: 3.4rem;
  transform: rotate(-10deg);
}

.achievement-medal b span,
.achievement-medal b img {
  position: relative;
  z-index: 1;
}

.achievement-medal b img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.achievement-medal strong {
  display: block;
  font-size: 0.86rem;
  line-height: 1.05;
  color: var(--text);
}

.achievement-medal small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.1;
}

.achievement-medal:hover b {
  transform: translateY(-3px) rotate(-2deg);
}

.studio-achievements-editor {
  display: grid;
  gap: 10px;
  padding: 14px;
  border: 1px solid rgba(16, 18, 15, 0.1);
  border-radius: 22px;
  background: rgba(16, 18, 15, 0.035);
}

.studio-achievements-editor[hidden] {
  display: none;
}

.studio-achievements-editor > div {
  display: grid;
  gap: 4px;
}

.studio-achievements-editor span {
  font-weight: 900;
}

.studio-achievements-editor small {
  color: var(--muted);
  font-weight: 800;
  line-height: 1.3;
}

.studio-achievements-editor textarea {
  width: 100%;
  min-height: 112px;
  resize: vertical;
  border: 1px solid rgba(16, 18, 15, 0.12);
  border-radius: 18px;
  padding: 12px 14px;
  font: inherit;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.72);
}

.achievement-logo-field {
  margin: 0;
}

:root[data-theme="dark"] .achievement-medal strong {
  color: #fff;
}

:root[data-theme="dark"] .studio-achievements-editor {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
}

:root[data-theme="dark"] .studio-achievements-editor textarea {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

/* Studio logo and achievement editor refinement */
.studio-channel-logo {
  border: 5px solid rgba(255, 255, 255, 0.86);
  box-shadow:
    0 0 0 2px rgba(16, 18, 15, 0.12),
    0 22px 44px rgba(16, 18, 15, 0.18);
}

.studio-channel-logo[style*="url"] {
  background-color: #fff;
}

.achievement-editor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.achievement-edit-chip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-width: min(100%, 250px);
  padding: 8px 10px 8px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(16, 18, 15, 0.08);
}

.achievement-edit-chip b,
.achievement-add-toggle span {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
  box-shadow: inset 0 0 0 2px rgba(16, 18, 15, 0.08);
}

.achievement-edit-chip b img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.achievement-edit-chip strong,
.achievement-edit-chip small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.achievement-edit-chip small {
  color: var(--muted);
  font-size: 0.75rem;
}

.achievement-edit-chip button {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  padding: 0;
  background: rgba(16, 18, 15, 0.08);
  color: var(--muted);
}

.achievement-add-toggle {
  width: fit-content;
  display: inline-grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
  min-height: 54px;
  padding: 6px 18px 6px 6px;
  border-radius: 999px;
  background: rgba(200, 255, 72, 0.16);
  color: var(--text);
  font-weight: 950;
}

.achievement-add-toggle span {
  font-size: 1.45rem;
}

.achievement-inline-form {
  display: grid;
  grid-template-columns: minmax(120px, 0.55fr) 1fr 1fr;
  gap: 10px;
  padding: 12px;
  border-radius: 22px;
  border: 1px dashed rgba(16, 18, 15, 0.16);
  background: rgba(255, 255, 255, 0.5);
}

.achievement-inline-form[hidden] {
  display: none;
}

.achievement-inline-form label {
  margin: 0;
}

.achievement-inline-form select,
.achievement-inline-form input {
  min-height: 46px;
}

.achievement-inline-form .achievement-logo-field,
.achievement-inline-form button {
  grid-column: span 3;
}

.achievement-inline-form button {
  min-height: 52px;
}

/* Student video command deck: keep the timeline centered and readable */
.app-shell.student-mode:not(.student-onboarding) .stage-grid .video-marker-bar {
  grid-template-columns: 58px minmax(0, 1fr) auto !important;
  grid-template-areas:
    "play timeline time"
    "actions actions actions";
  align-content: start;
  grid-auto-rows: auto;
  row-gap: 10px;
  min-height: 0;
  height: auto !important;
  align-self: start;
  block-size: min-content;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .transport-button {
  grid-area: play;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .video-time {
  grid-area: time;
  min-width: 108px;
  text-align: right;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .timeline-shell {
  grid-area: timeline;
  width: 100%;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .teacher-seek {
  width: 100%;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .timeline-actions {
  grid-area: actions;
  justify-content: flex-start;
  padding-top: 4px;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .view-toggles {
  display: none;
}

.app-shell.student-mode:not(.student-onboarding) .control-band {
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 10px;
}

:root[data-theme="dark"] .achievement-edit-chip,
:root[data-theme="dark"] .achievement-inline-form {
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.06);
}

@media (max-width: 760px) {
  .achievement-inline-form {
    grid-template-columns: 1fr;
  }

  .achievement-inline-form .achievement-logo-field,
  .achievement-inline-form button {
    grid-column: auto;
  }

  .app-shell.student-mode:not(.student-onboarding) .stage-grid .video-marker-bar {
    grid-template-columns: 52px minmax(0, 1fr) !important;
    grid-template-areas:
      "play time"
      "timeline timeline"
      "actions actions";
  }

  .app-shell.student-mode:not(.student-onboarding) .stage-grid .video-time {
    text-align: left;
  }
}

/* Account navigation + settings drawer */
.icon-account-switch {
  order: 3;
  position: relative;
  min-width: auto;
  border-radius: 999px;
  padding: 6px;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.icon-account-switch::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 42%),
    rgba(28, 32, 35, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 18px 42px rgba(0, 0, 0, 0.2);
  transition: inset 180ms ease, border-radius 180ms ease, background 180ms ease;
}

.icon-account-switch:hover::before,
.icon-account-switch:focus-within::before {
  inset: 0 0 -132px 0;
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.09), transparent 46%),
    rgba(27, 31, 34, 0.97);
}

.account-drawer {
  position: absolute;
  top: calc(100% - 3px);
  left: 6px;
  right: 6px;
  z-index: 1;
  display: grid;
  place-items: center;
  gap: 9px;
  padding: 12px 0 7px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  box-shadow: none;
  opacity: 0;
  transform: translateY(-14px) scale(0.94);
  transform-origin: top center;
  pointer-events: none;
  transition: opacity 170ms ease, transform 170ms ease;
}

.account-menu:hover .account-drawer,
.account-menu:focus-within .account-drawer {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.icon-account-switch .account-nav-button {
  width: 50px;
  min-width: 50px;
  min-height: 50px;
  padding: 0;
  position: relative;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(circle at 34% 26%, rgba(255, 255, 255, 0.12), transparent 2rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.035),
    0 8px 18px rgba(0, 0, 0, 0.12);
  transition: transform 160ms ease, background 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.icon-account-switch .account-nav-button:hover,
.icon-account-switch .account-nav-button:focus-visible {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.22);
  background:
    radial-gradient(circle at 34% 26%, rgba(255, 255, 255, 0.18), transparent 2rem),
    rgba(255, 255, 255, 0.09);
}

.icon-account-switch .account-nav-button:focus-visible {
  outline: none;
}

.icon-account-switch .account-nav-button.active {
  width: 52px;
  min-width: 52px;
  min-height: 52px;
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.18), transparent 1.8rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.035));
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 12px 28px rgba(16, 18, 15, 0.18);
}

.account-main {
  position: relative;
  z-index: 2;
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.18), transparent 1.8rem),
    linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.035)) !important;
  border-color: rgba(255, 255, 255, 0.2) !important;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 12px 28px rgba(16, 18, 15, 0.18) !important;
}

.account-main .account-icon {
  color: rgba(232, 234, 230, 0.82);
}

.account-drawer .account-nav-button {
  width: 48px;
  min-width: 48px;
  min-height: 48px;
  background:
    radial-gradient(circle at 34% 25%, rgba(255, 255, 255, 0.11), transparent 1.75rem),
    rgba(255, 255, 255, 0.045);
  border-color: rgba(255, 255, 255, 0.1);
}

.account-drawer .account-nav-button.active {
  width: 50px;
  min-width: 50px;
  min-height: 50px;
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.16), transparent 1.75rem),
    rgba(255, 255, 255, 0.075);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 10px 22px rgba(0, 0, 0, 0.16);
}

.account-drawer .account-nav-button.active .account-icon,
.account-drawer .account-nav-button:hover .account-icon,
.account-drawer .account-nav-button:focus-visible .account-icon {
  color: rgba(255, 253, 248, 0.9);
}

.account-action-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.account-icon {
  position: relative;
  width: 27px;
  height: 27px;
  display: block;
  color: rgba(232, 234, 230, 0.82);
  background: currentColor;
  -webkit-mask: var(--account-icon-mask) center / contain no-repeat;
  mask: var(--account-icon-mask) center / contain no-repeat;
}

.account-nav-button.has-account-image {
  background-image: var(--account-image) !important;
  background-size: 142% 142% !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  background-color: rgba(27, 31, 34, 0.96) !important;
  border-color: rgba(255, 255, 255, 0.12) !important;
  border-radius: 50% !important;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    0 8px 18px rgba(0, 0, 0, 0.14) !important;
  overflow: hidden;
}

.icon-account-switch .account-nav-button.has-account-image.active,
.icon-account-switch .account-nav-button.has-account-image:focus-visible {
  border-color: rgba(255, 255, 255, 0.16) !important;
  outline: none !important;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    0 10px 22px rgba(0, 0, 0, 0.16) !important;
}

.icon-account-switch .account-main.has-account-image.active,
.icon-account-switch .account-main.has-account-image:focus-visible {
  border-color: rgba(255, 255, 255, 0.18) !important;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 12px 28px rgba(16, 18, 15, 0.18) !important;
}

.account-nav-button.has-account-image::after {
  content: none;
}

.account-nav-button.has-account-image .account-icon {
  display: none;
}

.account-nav-button.active .account-icon {
  color: rgba(255, 253, 248, 0.9);
}

.account-icon-person {
  --account-icon-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 28 28' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2.55' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='14' cy='8.8' r='4.15'/%3E%3Cpath d='M6.4 23.1v-2.35c0-4.05 3.4-6.95 7.6-6.95s7.6 2.9 7.6 6.95v2.35Z'/%3E%3C/g%3E%3C/svg%3E");
}

.account-icon-home {
  --account-icon-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 28 28' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='black' stroke-width='2.55' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13.2 14 5.4l9 7.8'/%3E%3Cpath d='M7.3 11.7v11h13.4v-11'/%3E%3Cpath d='M11.2 22.7v-6h5.6v6'/%3E%3C/g%3E%3C/svg%3E");
}

.account-icon-gear {
  --account-icon-mask: url("data:image/svg+xml,%3Csvg viewBox='0 0 28 28' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath fill='black' fill-rule='evenodd' d='M12.6 2.8h2.8l.8 3.2c.55.18 1.08.4 1.58.66l2.82-1.7 1.98 1.98-1.7 2.82c.26.5.48 1.03.66 1.58l3.16.76v2.8l-3.16.76c-.18.55-.4 1.08-.66 1.58l1.7 2.82-1.98 1.98-2.82-1.7c-.5.26-1.03.48-1.58.66l-.8 3.2h-2.8l-.8-3.2a8.55 8.55 0 0 1-1.58-.66l-2.82 1.7-1.98-1.98 1.7-2.82a8.55 8.55 0 0 1-.66-1.58l-3.16-.76v-2.8l3.16-.76c.18-.55.4-1.08.66-1.58L5.42 6.94 7.4 4.96l2.82 1.7c.5-.26 1.03-.48 1.58-.66l.8-3.2Zm1.4 7.35a3.85 3.85 0 1 0 0 7.7 3.85 3.85 0 0 0 0-7.7Zm0 2.25a1.6 1.6 0 1 1 0 3.2 1.6 1.6 0 0 1 0-3.2Z'/%3E%3C/svg%3E");
}

.settings-toggle {
  width: 46px;
  min-width: 46px;
  min-height: 46px;
  padding: 0;
}

.settings-card {
  width: min(520px, calc(100vw - 32px));
  border-radius: 32px;
  padding: 22px;
  display: grid;
  gap: 18px;
  background: var(--paper, #fffaf2);
  color: var(--text);
  box-shadow: 0 30px 90px rgba(16, 18, 15, 0.28);
}

.settings-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
}

.settings-head h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 0.9;
}

.settings-head button {
  width: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border-radius: 50%;
  font-size: 1.4rem;
}

.settings-section {
  display: grid;
  gap: 10px;
}

.settings-section > span {
  color: var(--muted);
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.72rem;
}

.settings-choice {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.settings-view-button,
.settings-theme-toggle,
.settings-profile-edit {
  min-height: 58px;
  border-radius: 20px;
  justify-content: center;
  background: rgba(16, 18, 15, 0.06);
  color: var(--text);
}

.settings-view-button.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
}

.settings-theme-toggle {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
}

.settings-profile-edit {
  width: 100%;
  display: flex;
  gap: 10px;
  align-items: center;
}

.account-nav-button {
  border-color: transparent;
  background: transparent;
  color: var(--muted);
}

/* Dancer profile becomes a page, not a modal */
.app-shell.dancer-profile-open .student-dashboard,
.app-shell.dancer-profile-open .lesson-workspace-intro,
.app-shell.dancer-profile-open .stage-grid,
.app-shell.dancer-profile-open .control-band,
.app-shell.dancer-profile-open .metrics-grid,
.app-shell.dancer-profile-open .teacher-students-panel,
.app-shell.student-studio-open .student-dashboard,
.app-shell.student-studio-open .lesson-workspace-intro,
.app-shell.student-studio-open .stage-grid,
.app-shell.student-studio-open .control-band,
.app-shell.student-studio-open .metrics-grid,
.app-shell.student-studio-open .teacher-students-panel {
  display: none !important;
}

.dancer-profile-page,
.student-studio-profile-page {
  width: 100%;
  border-radius: 36px;
  padding: clamp(18px, 3vw, 34px);
  background:
    radial-gradient(circle at 86% 14%, rgba(200, 255, 72, 0.2), transparent 20rem),
    var(--paper, #fffaf2);
}

.dancer-profile-page {
  padding: 0 !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  overflow: visible;
}

.student-studio-profile-page {
  padding: 0;
  border: 0 !important;
  border-radius: 0;
  background: transparent !important;
  box-shadow: none !important;
  backdrop-filter: none !important;
  overflow: visible;
}

.dancer-profile-page[hidden],
.student-studio-profile-page[hidden] {
  display: none !important;
}

.dancer-profile-page .progress-card {
  width: 100%;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 0;
  background: transparent;
  border-radius: 38px;
  box-shadow: none;
  overflow: visible;
  text-align: left;
  overscroll-behavior: auto;
}

.dancer-profile-page .progress-card > .eyebrow,
.dancer-profile-page .progress-card > #levelOverlayTitle,
.dancer-profile-page .progress-card > #levelOverlayDetails {
  display: none !important;
}

.dancer-profile-details {
  margin-top: 0;
}

.dancer-channel,
.student-studio-card {
  display: grid;
  gap: 24px;
}

.dancer-channel-cover,
.student-studio-cover {
  min-height: clamp(190px, 28vw, 310px);
  position: relative;
  display: grid;
  place-items: end center;
  border-radius: 32px;
  overflow: visible;
  background:
    radial-gradient(circle at 50% 34%, rgba(200, 255, 72, 0.28), transparent 12rem),
    linear-gradient(135deg, #0e1815, #2a2813);
  background-size: cover;
  background-position: center;
}

.dancer-cover-edit,
.dancer-avatar-edit {
  position: absolute;
  z-index: 4;
  width: 46px;
  min-width: 46px;
  min-height: 46px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 50%;
  background: rgba(16, 18, 15, 0.72);
  color: #fffaf2;
  box-shadow: 0 14px 34px rgba(16, 18, 15, 0.28);
  opacity: 0;
  transform: translateY(6px) scale(0.96);
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease;
}

.dancer-cover-edit {
  top: 20px;
  right: 20px;
}

.dancer-avatar-edit {
  top: 50%;
  left: 50%;
  right: auto;
  bottom: auto;
  width: 40px;
  min-width: 40px;
  min-height: 40px;
  font-size: 0.95rem;
  transform: translate(-50%, -50%) scale(0.92);
  pointer-events: none;
}

.dancer-channel-cover:hover .dancer-cover-edit,
.dancer-channel-cover:focus-within .dancer-cover-edit {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.dancer-avatar-large:hover .dancer-avatar-edit,
.dancer-avatar-large:focus-within .dancer-avatar-edit {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto;
}

.dancer-cover-glow,
.student-studio-cover > span {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 10%, rgba(255, 100, 82, 0.25), transparent 16rem),
    radial-gradient(circle at 82% 18%, rgba(200, 255, 72, 0.3), transparent 14rem);
  pointer-events: none;
}

.student-studio-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.student-studio-cover img[hidden] {
  display: none;
}

.dancer-avatar-large,
.student-studio-logo {
  position: relative;
  width: clamp(132px, 18vw, 210px);
  height: clamp(132px, 18vw, 210px);
  margin-bottom: -58px;
  z-index: 1;
  border: 7px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #10120f;
  background:
    radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.68), transparent 3rem),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  background-size: cover;
  background-position: center;
  box-shadow:
    0 0 0 2px rgba(16, 18, 15, 0.14),
    0 24px 60px rgba(16, 18, 15, 0.24);
  font-size: clamp(4rem, 9vw, 7rem);
  font-weight: 950;
}

.dancer-avatar-large[style*="url"] {
  color: transparent;
}

.profile-badge {
  background-size: cover;
  background-position: center;
}

#levelCardButton .profile-badge {
  border: 6px solid rgba(255, 255, 255, 0.9) !important;
  border-radius: 50% !important;
  background:
    radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.68), transparent 3rem),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  background-size: cover;
  background-position: center;
  color: #10120f;
  box-shadow:
    0 0 0 2px rgba(16, 18, 15, 0.14),
    0 18px 42px rgba(16, 18, 15, 0.22);
}

#levelCardButton .profile-badge[style*="url"] {
  color: transparent;
}

.dancer-level-button {
  position: absolute;
  top: clamp(104px, 11vw, 150px);
  right: clamp(8px, 2vw, 26px);
  z-index: 0;
  min-height: 0;
  padding: 0;
  border: 0 !important;
  border-radius: 0;
  background: transparent !important;
  background-image: none !important;
  color: #10120f;
  box-shadow: none;
  font-size: clamp(5.3rem, 13vw, 10.4rem);
  line-height: 0.82;
  font-weight: 950;
  letter-spacing: -0.12em;
  opacity: 1;
  text-shadow: none;
  filter: none;
  backdrop-filter: none;
  appearance: none;
  -webkit-appearance: none;
}

.dancer-level-button:hover {
  transform: none;
  color: #10120f;
  border-color: transparent;
}

.dancer-channel-copy,
.student-studio-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
  padding-top: 58px;
}

.dancer-channel-copy {
  grid-template-columns: minmax(0, 1fr);
}

.dancer-channel-main h3,
.student-studio-copy h2 {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.5rem);
  line-height: 0.86;
  letter-spacing: -0.08em;
}

.dancer-channel-main {
  position: relative;
  min-height: 0;
}

.dancer-channel-main h3 {
  display: grid;
  gap: 0.04em;
  position: relative;
  z-index: 1;
  max-width: min(36vw, 480px);
  margin-top: -4px;
}

.dancer-channel-main h3 span {
  display: block;
}

.dancer-channel-main p,
.student-studio-copy p:not(.eyebrow) {
  color: var(--muted);
  font-weight: 850;
  font-size: clamp(1.05rem, 1.8vw, 1.45rem);
}

.dancer-studio-label {
  margin: clamp(34px, 5vw, 58px) 0 0;
  text-align: left;
  color: rgba(103, 110, 100, 0.96) !important;
  font-size: clamp(1.35rem, 2.5vw, 2.25rem) !important;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 0.95;
}

.dancer-level-track {
  position: relative;
  z-index: 1;
  width: min(100%, 720px);
  height: 12px;
  margin: 8px 0 10px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(16, 18, 15, 0.12);
}

.dancer-level-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), #ff684d);
}

.dancer-channel-main .dancer-next {
  margin: 14px 0 0;
}

.dancer-info-grid,
.student-studio-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.dancer-info-grid span:nth-child(5),
.dancer-info-grid span:nth-child(6) {
  grid-column: span 2;
}

.level-history-card {
  width: min(760px, calc(100vw - 32px));
}

.dancer-info-grid span,
.student-studio-facts span {
  border-radius: 22px;
  padding: 14px;
  background: rgba(16, 18, 15, 0.055);
}

.dancer-info-grid b,
.student-studio-facts b {
  display: block;
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.72rem;
}

.dancer-info-grid strong,
.student-studio-facts strong {
  display: block;
  margin-top: 4px;
  font-size: 1.12rem;
}

.dancer-achievements-panel,
.student-studio-profile-page .studio-channel-regalia {
  align-self: start;
  border: 1px solid rgba(200, 255, 72, 0.26);
  border-radius: 28px;
  padding: clamp(18px, 3vw, 28px);
  display: grid;
  align-content: start;
  gap: 14px;
  background:
    radial-gradient(circle at 80% 10%, rgba(200, 255, 72, 0.18), transparent 9rem),
    rgba(255, 255, 255, 0.055);
}

.dancer-achievements-panel .eyebrow,
.student-studio-profile-page .studio-channel-regalia .eyebrow {
  color: var(--accent);
}

.dancer-achievements-panel h4,
.student-studio-profile-page .studio-channel-regalia h4 {
  margin: 0 0 2px;
  font-size: clamp(1.45rem, 2.4vw, 2.15rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.dancer-achievements-panel .achievement-orbit,
.student-studio-profile-page .studio-channel-regalia .achievement-orbit {
  margin-top: 2px;
}

.student-achievement-bubbles {
  border: 0 !important;
  border-radius: 0 !important;
  padding: 0 !important;
  background: transparent !important;
  overflow: visible !important;
  justify-self: end;
  min-width: 170px;
}

.student-achievement-bubbles .studio-quick-panels {
  justify-content: flex-end;
  align-self: start;
}

.student-achievement-bubbles .studio-hover-popover {
  top: calc(100% + 14px);
}

.student-achievement-bubbles .studio-round-trigger {
  border-color: rgba(255, 255, 255, 0.82);
  box-shadow:
    inset 0 0 0 3px rgba(16, 18, 15, 0.2),
    0 0 0 4px rgba(200, 255, 72, 0.18),
    0 18px 44px rgba(200, 255, 72, 0.16),
    0 22px 52px rgba(0, 0, 0, 0.22);
}

.dancer-channel,
.student-studio-card,
.dancer-channel-copy,
.student-studio-copy {
  overflow: visible !important;
}

.student-studio-card.studio-channel {
  border: 0;
  border-radius: 0;
  gap: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.student-studio-card .studio-channel-cover {
  position: relative;
  z-index: 8;
  overflow: visible;
  border-radius: 32px 32px 0 0;
}

.student-studio-card .studio-channel-cover-image,
.student-studio-card .studio-channel-cover-shade {
  border-radius: 32px 32px 0 0;
}

.student-studio-card .studio-channel-logo {
  z-index: 60;
  pointer-events: auto;
}

.student-studio-card .studio-channel-copy {
  position: relative;
  z-index: 1;
  border-radius: 0 0 32px 32px;
}

.student-studio-card > .primary {
  display: none !important;
}

.student-studio-materials {
  display: grid;
  margin-top: 22px;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  background: var(--panel);
}

.student-studio-materials > .panel-head {
  border-radius: 28px 28px 0 0;
  color: #fff;
  background: #171815;
}

.student-studio-materials > .panel-head .teacher-breadcrumb,
.student-studio-materials > .panel-head .teacher-breadcrumb span {
  color: rgba(255, 255, 255, 0.52);
}

.student-studio-materials > .panel-head .teacher-breadcrumb b {
  margin: 0 8px;
  color: rgba(255, 255, 255, 0.34);
}

.student-studio-materials > .panel-head .teacher-breadcrumb span:first-child {
  color: var(--accent);
}

.student-studio-materials > .panel-head .teacher-actions button {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.94);
  color: #141512;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
  font-weight: 850;
}

.student-materials-workspace {
  min-height: 360px;
  padding: 22px;
  background: var(--panel);
}

.student-materials-path {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 10px;
  color: rgba(230, 234, 224, 0.58);
  font-weight: 850;
}

.student-materials-path span {
  color: var(--green);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.78rem;
}

.student-materials-path b {
  color: rgba(255, 255, 255, 0.28);
}

.student-materials-back {
  align-self: center;
}

.student-access-grid.folder-grid {
  grid-template-columns: repeat(auto-fill, minmax(260px, 320px));
  justify-content: start;
  align-items: start;
  gap: 18px;
}

.student-access-grid .folder-card-group,
.student-access-grid .folder-card-subgroup,
.student-access-grid .lesson-showcase-card {
  width: 100%;
  max-width: 320px;
  justify-self: start;
  min-height: 0;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.student-access-grid .lesson-showcase-card {
  border-radius: 30px;
}

.student-access-grid .folder-card-group,
.student-access-grid .folder-card-subgroup {
  position: relative;
  padding: clamp(34px, 4vw, 46px);
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto minmax(0, 1fr) auto;
  justify-items: center;
  align-items: stretch;
  align-content: center;
  gap: 12px;
  text-align: center;
  border: 1px solid rgba(255, 210, 63, 0.42);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 40%, rgba(200, 255, 72, 0.1), transparent 10rem),
    linear-gradient(145deg, rgba(54, 64, 70, 0.96), rgba(29, 34, 38, 0.98));
  color: #fffaf2;
}

.student-access-grid .folder-card-group .folder-icon,
.student-access-grid .folder-card-subgroup .folder-icon {
  order: 2;
  width: 100%;
  height: 100%;
  min-width: 0;
  margin: -4px auto -2px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #ffd23f;
}

.student-access-grid .folder-card-group .folder-icon b,
.student-access-grid .folder-card-subgroup .folder-icon b,
.student-access-grid .folder-card-group .folder-icon span,
.student-access-grid .folder-card-subgroup .folder-icon span {
  color: #fffaf2;
  max-width: min(82%, 240px);
  overflow: hidden;
  text-align: center;
  font-size: clamp(5.4rem, 11.5vw, 9.8rem);
  font-weight: 1000;
  line-height: 0.72;
  letter-spacing: -0.14em;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.student-access-grid .folder-card-group .folder-card-copy,
.student-access-grid .folder-card-subgroup .folder-card-copy {
  display: contents;
}

.student-access-grid .folder-card-group .folder-card-type,
.student-access-grid .folder-card-subgroup .folder-card-type {
  order: 1;
  align-self: end;
  color: #10120f;
  max-width: 76%;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #c8ff48, #ffd23f);
  box-shadow: 0 10px 28px rgba(200, 255, 72, 0.12);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: clamp(0.72rem, 1.25vw, 0.9rem);
  font-weight: 950;
  letter-spacing: 0.16em;
}

.student-access-grid .folder-card-group strong,
.student-access-grid .folder-card-subgroup strong {
  display: none;
}

.student-access-grid .folder-card-group .folder-card-note,
.student-access-grid .folder-card-subgroup .folder-card-note {
  order: 3;
  align-self: start;
  max-width: min(74%, 230px);
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.045);
  color: rgba(230, 234, 224, 0.82);
  font-size: clamp(0.82rem, 1.35vw, 1rem);
  line-height: 1.08;
}

.student-access-grid .folder-card-group .folder-card-arrow,
.student-access-grid .folder-card-subgroup .folder-card-arrow {
  display: none;
}

.student-access-grid .lesson-showcase-card {
  padding: 14px;
  grid-template-rows: 42% auto 52px;
  gap: 10px;
}

.student-access-grid .lesson-showcase-preview {
  min-height: 0;
  height: 100%;
  border-radius: 22px;
}

.student-access-grid .lesson-showcase-copy {
  align-content: start;
  gap: 6px;
  min-height: 0;
}

.student-access-grid .lesson-showcase-copy strong {
  font-size: clamp(1.8rem, 3vw, 2.45rem);
}

.student-access-grid .lesson-showcase-copy .folder-card-note {
  display: -webkit-box;
  overflow: hidden;
  font-size: 0.92rem;
  line-height: 1.22;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.student-access-grid .lesson-showcase-cta {
  min-height: 52px;
  align-self: end;
}

.app-shell.student-studio-open .student-studio-profile-page {
  display: block;
}

:root[data-theme="dark"] .dancer-info-grid span,
:root[data-theme="dark"] .student-studio-facts span,
:root[data-theme="dark"] .dancer-achievements-panel {
  background: rgba(255, 255, 255, 0.055);
}

:root[data-theme="dark"] .student-studio-profile-page .studio-channel-regalia,
:root[data-theme="dark"] .dancer-achievements-panel,
:root[data-theme="dark"] .student-studio-materials {
  background:
    radial-gradient(circle at 80% 10%, rgba(200, 255, 72, 0.13), transparent 9rem),
    rgba(255, 255, 255, 0.055);
  border-color: rgba(200, 255, 72, 0.22);
}

:root[data-theme="dark"] .student-studio-profile-page {
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
}

:root[data-theme="dark"] .student-studio-materials > .panel-head {
  border-color: rgba(255, 255, 255, 0.13);
  background:
    radial-gradient(circle at 88% 8%, rgba(255, 207, 61, 0.08), transparent 12rem),
    var(--surface-active);
  color: var(--text);
}

:root[data-theme="dark"] .student-materials-workspace {
  border-color: var(--line);
  background: rgba(27, 31, 35, 0.94);
  color: var(--text);
}

:root[data-theme="dark"] .student-studio-materials > .panel-head .teacher-actions button {
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.95);
  color: #141512;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
}

.app-shell.student-mode:not(.student-onboarding) #studentAccountContent,
.app-shell.student-mode:not(.student-onboarding) .level-profile-card {
  background: transparent !important;
  box-shadow: none !important;
  border: 0 !important;
  min-height: 0 !important;
  padding: 0 !important;
}

.app-shell.student-mode:not(.student-onboarding) .score-pill {
  margin: 0;
}

:root[data-theme="dark"] .settings-card,
:root[data-theme="dark"] .student-studio-profile-page {
  background:
    radial-gradient(circle at 86% 14%, rgba(200, 255, 72, 0.12), transparent 20rem),
    #151715;
}

:root[data-theme="dark"] .dancer-profile-page,
:root[data-theme="dark"] .student-studio-profile-page {
  background: transparent !important;
}

@media (max-width: 720px) {
  .icon-account-switch:hover::before,
  .icon-account-switch:focus-within::before {
    inset: 0 0 -116px 0;
  }

  .account-drawer {
    gap: 7px;
    padding: 10px 0 7px;
  }

  .icon-account-switch .account-nav-button {
    width: 46px;
    min-width: 46px;
    min-height: 46px;
  }

  .icon-account-switch .account-nav-button.active {
    width: 48px;
    min-width: 48px;
    min-height: 48px;
  }

  .account-drawer .account-nav-button,
  .settings-toggle {
    width: 44px;
    min-width: 44px;
    min-height: 44px;
  }

  .account-drawer .account-nav-button.active {
    width: 46px;
    min-width: 46px;
    min-height: 46px;
  }

  .account-icon {
    width: 24px;
    height: 24px;
  }

  .settings-choice {
    grid-template-columns: 1fr;
  }

  .dancer-channel-copy,
  .student-studio-copy,
  .dancer-info-grid,
  .student-studio-facts {
    grid-template-columns: 1fr;
  }
}

.app-shell.student-mode .dancer-profile-page .dancer-level-button {
  color: #10120f !important;
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
  border: 0 !important;
  outline: 0 !important;
  box-shadow: none !important;
}

.app-shell.student-mode .dancer-profile-page .dancer-level-button:hover {
  color: #10120f !important;
}

:root[data-theme="dark"] .app-shell.student-mode .dancer-profile-page .dancer-level-button {
  color: rgba(255, 255, 255, 0.92) !important;
  background: transparent !important;
  background-color: transparent !important;
  background-image: none !important;
  border: 0 !important;
  outline: 0 !important;
  box-shadow: none !important;
}

:root[data-theme="dark"] .app-shell.student-mode .dancer-profile-page .dancer-level-button:hover {
  color: #fff !important;
}

:root[data-theme="dark"] .dancer-studio-label {
  color: rgba(220, 225, 210, 0.78) !important;
}

/* Studio header compact widgets: achievements/awards live in hover bubbles */
.teacher-space-panel .studio-channel {
  overflow: visible !important;
  position: relative;
  z-index: 12;
}

.teacher-space-panel .studio-channel-regalia {
  border: 0 !important;
  border-radius: 0 !important;
  padding: 0 !important;
  background: transparent !important;
  display: grid !important;
  grid-template-rows: auto 1fr auto !important;
  align-content: stretch !important;
  justify-items: end !important;
  gap: 12px !important;
  min-height: 100%;
  overflow: visible !important;
}

.studio-quick-panels {
  position: relative;
  display: flex;
  justify-content: flex-end;
  align-self: center;
  gap: 14px;
  padding: 4px;
  overflow: visible;
}

.studio-quick-trigger {
  position: relative;
}

.studio-round-trigger {
  width: 68px;
  min-width: 68px;
  height: 68px;
  min-height: 68px;
  display: grid;
  place-items: center;
  padding: 0;
  border-radius: 50%;
  border: 2px solid rgba(16, 18, 15, 0.88);
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.72), transparent 2rem),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
  box-shadow:
    inset 0 0 0 2px rgba(255, 255, 255, 0.16),
    0 18px 42px rgba(16, 18, 15, 0.16);
  font-size: 1.4rem;
  overflow: visible;
}

.award-shelf-widget {
  width: min(100%, 360px);
  display: grid;
  gap: 10px;
  align-self: center;
  justify-self: end;
}

.award-shelf-head {
  display: grid;
  gap: 2px;
  justify-items: end;
}

.award-shelf-head .eyebrow {
  color: var(--accent);
}

.award-shelf-head h4 {
  margin: 0;
  font-size: clamp(1.35rem, 2.2vw, 1.95rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.award-shelf {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 18px 16px 16px;
  border: 1px solid rgba(200, 255, 72, 0.18);
  border-radius: 30px;
  background:
    radial-gradient(circle at 50% 18%, rgba(200, 255, 72, 0.12), transparent 8rem),
    linear-gradient(145deg, rgba(0, 0, 0, 0.32), rgba(255, 255, 255, 0.035));
  box-shadow:
    inset 0 18px 38px rgba(0, 0, 0, 0.28),
    inset 0 -10px 22px rgba(255, 255, 255, 0.035),
    0 18px 46px rgba(0, 0, 0, 0.12);
  overflow: visible;
}

.award-shelf::before {
  content: "";
  position: absolute;
  inset: 10px;
  border-radius: 24px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.award-shelf-row {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: end;
  gap: 10px;
  min-height: 72px;
  padding: 4px 6px 12px;
}

.award-shelf-row::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 13px;
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent),
    linear-gradient(90deg, rgba(200, 255, 72, 0.22), rgba(255, 122, 89, 0.2));
  box-shadow:
    0 10px 20px rgba(0, 0, 0, 0.24),
    inset 0 -4px 10px rgba(0, 0, 0, 0.22);
}

.award-shelf-row.pinned {
  min-height: 82px;
}

.award-object {
  position: relative;
  z-index: 1;
  min-width: 0;
  display: grid;
  justify-items: center;
  gap: 4px;
  transform: translateY(4px);
}

.award-object b {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 18px 18px 24px 24px;
  background:
    radial-gradient(circle at 34% 20%, rgba(255, 255, 255, 0.82), transparent 1.2rem),
    linear-gradient(135deg, #ffe067, #ff8154);
  color: #10120f;
  box-shadow:
    inset 0 0 0 2px rgba(16, 18, 15, 0.14),
    0 12px 20px rgba(0, 0, 0, 0.22);
  font-size: 1.65rem;
  overflow: hidden;
}

.award-shelf-row.pinned .award-object b {
  width: 62px;
  height: 62px;
  border-radius: 22px 22px 28px 28px;
}

.award-object b img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.award-object small {
  max-width: 74px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.62rem;
  font-weight: 900;
  line-height: 0.9;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.award-shelf-empty {
  min-height: 54px;
}

.award-archive {
  position: relative;
  z-index: 4;
  display: grid;
  justify-items: center;
  align-self: end;
}

.award-archive-button {
  width: 54px;
  min-width: 54px;
  min-height: 54px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(200, 255, 72, 0.28);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.82);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.04);
  font-size: 1.1rem;
  letter-spacing: 0.12em;
}

.award-archive-popover {
  position: absolute;
  right: 0;
  bottom: calc(100% + 12px);
  z-index: 180;
  width: min(320px, calc(100vw - 48px));
  padding: 16px;
  border: 1px solid rgba(200, 255, 72, 0.22);
  border-radius: 24px;
  background:
    radial-gradient(circle at 78% 10%, rgba(200, 255, 72, 0.14), transparent 8rem),
    #151715;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px) scale(0.98);
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.award-archive:hover .award-archive-popover,
.award-archive:focus-within .award-archive-popover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.award-archive-popover h4 {
  margin: 0 0 12px;
  font-size: 1.55rem;
  line-height: 0.95;
}

.award-archive-list {
  display: grid;
  gap: 8px;
}

.award-archive-list div {
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
}

.award-archive-list strong,
.award-archive-list small,
.award-archive-empty,
.award-archive-hint {
  display: block;
}

.award-archive-list small,
.award-archive-empty,
.award-archive-hint {
  color: rgba(255, 255, 255, 0.62);
  font-weight: 800;
}

.teacher-space-panel .studio-round-trigger {
  border-color: rgba(255, 255, 255, 0.78);
  box-shadow:
    inset 0 0 0 3px rgba(16, 18, 15, 0.2),
    0 0 0 4px rgba(200, 255, 72, 0.18),
    0 18px 44px rgba(200, 255, 72, 0.16),
    0 22px 52px rgba(0, 0, 0, 0.22);
}

.studio-round-trigger.trophy {
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.72), transparent 2rem),
    linear-gradient(135deg, #ffd45a, #ff7a59);
}

.studio-icon-check,
.studio-icon-cup {
  position: relative;
  display: block;
  width: 34px;
  height: 34px;
}

.studio-icon-check::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  width: 20px;
  height: 11px;
  border-left: 6px solid #10120f;
  border-bottom: 6px solid #10120f;
  border-radius: 0 0 0 4px;
  transform: rotate(-45deg);
}

.studio-icon-cup::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 4px;
  width: 18px;
  height: 16px;
  border-radius: 4px 4px 10px 10px;
  background: #10120f;
}

.studio-icon-cup::after {
  content: "";
  position: absolute;
  left: 11px;
  bottom: 4px;
  width: 12px;
  height: 9px;
  border-bottom: 5px solid #10120f;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
}

.studio-icon-cup i::before,
.studio-icon-cup i::after {
  content: "";
  position: absolute;
  top: 7px;
  width: 9px;
  height: 12px;
  border: 4px solid #10120f;
  border-radius: 999px;
}

.studio-icon-cup i::before {
  left: 1px;
  border-right: 0;
}

.studio-icon-cup i::after {
  right: 1px;
  border-left: 0;
}

.studio-hover-popover {
  position: absolute;
  right: 0;
  top: calc(100% + 12px);
  z-index: 160;
  width: min(360px, calc(100vw - 48px));
  padding: 18px;
  border: 1px solid rgba(200, 255, 72, 0.24);
  border-radius: 28px;
  background:
    radial-gradient(circle at 72% 10%, rgba(200, 255, 72, 0.18), transparent 9rem),
    var(--paper, #fffaf2);
  box-shadow:
    0 0 0 1px rgba(200, 255, 72, 0.16),
    0 26px 80px rgba(16, 18, 15, 0.28);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px) scale(0.98);
  transform-origin: top right;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease, visibility 160ms ease;
}

.studio-quick-trigger:hover .studio-hover-popover,
.studio-quick-trigger:focus-within .studio-hover-popover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.studio-hover-popover h4 {
  margin: 0 0 14px;
  font-size: clamp(1.45rem, 2.4vw, 2.05rem);
  line-height: 0.95;
}

.teacher-space-panel .studio-channel-regalia > .eyebrow,
.teacher-space-panel .studio-channel-regalia > h4 {
  display: none !important;
}

.teacher-space-panel .studio-channel-regalia > .achievement-orbit {
  display: none !important;
}

.teacher-space-panel .studio-channel-regalia .studio-library-tabs {
  justify-self: end;
  align-self: end;
}

.teacher-space-panel .studio-channel-copy {
  overflow: visible !important;
  position: relative;
  z-index: 10;
}

.teacher-space-panel .studio-channel-cover {
  position: relative;
  z-index: 30 !important;
  overflow: visible !important;
}

.teacher-space-panel .studio-channel-logo {
  z-index: 32 !important;
}

.teacher-space-panel .studio-invite-button {
  align-self: start !important;
  justify-self: end !important;
  margin: 0 !important;
}

.teacher-student-profile-card {
  width: min(780px, calc(100vw - 32px));
}

.teacher-student-profile-body {
  display: grid;
  gap: 16px;
}

/* Interface correction pass: brand, studio header and invite button */
.brand-lockup {
  min-width: max-content;
  flex-shrink: 0;
}

.brand-lockup > div {
  min-width: max-content;
}

.brand-lockup h1 {
  display: inline-block;
  flex: 0 0 auto;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
  text-wrap: nowrap;
}

.studio-channel-copy h2,
.studio-channel-copy h3 {
  margin: 5px 0 10px;
  font-family: var(--font-ui);
  font-size: clamp(2rem, 5vw, 3.45rem);
  font-weight: var(--weight-display);
  line-height: 1;
  letter-spacing: var(--tracking-tight);
}

.studio-channel-cover,
.dancer-channel-cover,
.student-studio-cover {
  border-radius: clamp(30px, 4vw, 44px);
  overflow: hidden !important;
  isolation: isolate;
}

.studio-channel-cover-image,
.studio-channel-cover-shade,
.student-studio-cover img,
.student-studio-cover > span,
.dancer-cover-glow {
  border-radius: inherit;
}

.teacher-space-panel .studio-channel-cover {
  overflow: visible !important;
}

.teacher-space-panel .studio-channel-logo {
  width: clamp(148px, 11vw, 176px);
  height: clamp(148px, 11vw, 176px);
  left: clamp(24px, 3vw, 42px);
  bottom: clamp(-58px, -3.2vw, -46px);
  border-width: 7px;
  z-index: 70 !important;
}

.teacher-space-panel .studio-channel-copy {
  padding-top: clamp(58px, 5vw, 74px);
}

.studio-invite-button,
.teacher-space-panel .studio-invite-button {
  background: rgba(28, 32, 35, 0.96) !important;
  color: #fffaf2 !important;
  border: 1.5px solid rgba(200, 255, 72, 0.9) !important;
  box-shadow: none !important;
  filter: none !important;
}

.studio-invite-button::before,
.studio-invite-button::after {
  display: none !important;
  content: none !important;
}

.studio-invite-button span {
  width: 28px;
  height: 28px;
  min-width: 28px;
  display: grid;
  place-items: center;
  line-height: 1;
  padding: 0;
  border-radius: 50%;
  background: rgba(200, 255, 72, 0.16) !important;
  color: #fffaf2 !important;
  box-shadow: none !important;
}

@media (max-width: 720px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .brand-lockup {
    min-width: 0;
    width: fit-content;
    max-width: 100%;
    gap: 12px;
  }

  .brand-lockup > div {
    min-width: max-content;
  }

  .brand-lockup h1,
  .topbar .brand-lockup h1 {
    font-size: clamp(2.05rem, 9.8vw, 3rem) !important;
    line-height: 0.86;
    letter-spacing: -0.09em;
    transform: scaleX(1.08);
    transform-origin: left center;
  }

  .brand-lockup h1::after {
    right: -0.58em;
    bottom: 0.04em;
  }

  .studio-channel-copy h2,
  .studio-channel-copy h3 {
    font-size: clamp(2.05rem, 12vw, 3.35rem);
    line-height: 0.95;
  }

  .teacher-space-panel .studio-channel-logo {
    width: 132px;
    height: 132px;
    bottom: -48px;
    left: 20px;
  }
}

.teacher-student-profile-hero {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: clamp(18px, 3vw, 28px);
  border-radius: 34px;
  background:
    radial-gradient(circle at 78% 16%, rgba(200, 255, 72, 0.34), transparent 10rem),
    linear-gradient(135deg, rgba(16, 18, 15, 0.96), rgba(28, 36, 20, 0.92));
  color: #fff;
  overflow: hidden;
}

.teacher-student-avatar {
  width: clamp(92px, 10vw, 138px);
  height: clamp(92px, 10vw, 138px);
  display: grid;
  place-items: center;
  border: 6px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 24%, rgba(255, 255, 255, 0.68), transparent 3rem),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  background-size: cover;
  background-position: center;
  color: #10120f;
  box-shadow:
    0 0 0 2px rgba(16, 18, 15, 0.14),
    0 20px 48px rgba(16, 18, 15, 0.28);
  font-size: clamp(3rem, 5vw, 4.8rem);
  font-weight: 950;
}

.teacher-student-avatar[style*="url"] {
  color: transparent;
}

.teacher-student-profile-hero h3 {
  margin: 8px 0 4px;
  font-size: clamp(2.4rem, 5vw, 4.7rem);
  line-height: 0.9;
}

.teacher-student-profile-hero h3 span {
  display: block;
}

.teacher-student-profile-hero p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-weight: 800;
}

.student-status-pill {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(16, 18, 15, 0.08);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.student-status-pill.waiting {
  background: rgba(200, 255, 72, 0.18);
  color: #536122;
}

.student-level-mark {
  font-size: clamp(2.4rem, 5vw, 5rem);
  color: rgba(255, 255, 255, 0.28);
  letter-spacing: -0.08em;
  white-space: nowrap;
}

.teacher-student-profile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.teacher-student-profile-grid article,
.teacher-student-lock-note,
.teacher-student-invite-link {
  padding: 16px;
  border: 1px solid rgba(16, 18, 15, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.52);
}

.teacher-student-profile-grid small,
.teacher-student-invite-link small {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.teacher-student-profile-grid strong {
  font-size: 1.1rem;
}

.teacher-student-lock-note {
  display: grid;
  gap: 6px;
  background:
    radial-gradient(circle at 92% 10%, rgba(200, 255, 72, 0.2), transparent 7rem),
    rgba(16, 18, 15, 0.05);
}

.teacher-student-lock-note span,
.teacher-student-note,
.teacher-student-invite-link span {
  color: var(--muted);
  font-weight: 800;
}

.teacher-student-invite-link span {
  display: block;
  overflow-wrap: anywhere;
}

:root[data-theme="dark"] .teacher-student-profile-hero,
:root[data-theme="dark"] .teacher-student-profile-grid article,
:root[data-theme="dark"] .teacher-student-lock-note,
:root[data-theme="dark"] .teacher-student-invite-link {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
}

:root[data-theme="dark"] .student-level-mark {
  color: rgba(255, 255, 255, 0.28);
}

@media (max-width: 760px) {
  .teacher-student-profile-hero {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .student-level-mark {
    justify-self: end;
  }

  .teacher-student-profile-grid {
    grid-template-columns: 1fr;
  }
}

.student-group-folder-card .folder-icon,
.students-back-card .folder-icon {
  background:
    radial-gradient(circle at 34% 22%, rgba(255, 255, 255, 0.7), transparent 2rem),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
}

:root[data-theme="dark"] .studio-hover-popover {
  background:
    radial-gradient(circle at 72% 10%, rgba(200, 255, 72, 0.13), transparent 9rem),
    #151715;
}

:root[data-theme="dark"] .teacher-space-panel .studio-round-trigger {
  border-color: rgba(245, 248, 232, 0.88);
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.76), transparent 2rem),
    linear-gradient(135deg, #d7ff38, #ff7a59);
  box-shadow:
    inset 0 0 0 3px rgba(16, 18, 15, 0.28),
    0 0 0 4px rgba(200, 255, 72, 0.26),
    0 0 34px rgba(200, 255, 72, 0.2),
    0 24px 58px rgba(0, 0, 0, 0.36);
}

:root[data-theme="dark"] .teacher-space-panel .studio-round-trigger.trophy {
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.76), transparent 2rem),
    linear-gradient(135deg, #ffd75d, #ff764f);
}

:root[data-theme="dark"] .student-achievement-bubbles .studio-round-trigger {
  border-color: rgba(245, 248, 232, 0.88);
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.76), transparent 2rem),
    linear-gradient(135deg, #d7ff38, #ff7a59);
  box-shadow:
    inset 0 0 0 3px rgba(16, 18, 15, 0.28),
    0 0 0 4px rgba(200, 255, 72, 0.26),
    0 0 34px rgba(200, 255, 72, 0.2),
    0 24px 58px rgba(0, 0, 0, 0.36);
}

:root[data-theme="dark"] .student-achievement-bubbles .studio-round-trigger.trophy {
  background:
    radial-gradient(circle at 34% 24%, rgba(255, 255, 255, 0.76), transparent 2rem),
    linear-gradient(135deg, #ffd75d, #ff764f);
}

/* Final student video layout: timeline + lesson controls in one clean window */
.app-shell.student-mode:not(.student-onboarding) .stage-grid {
  border-bottom-left-radius: 36px !important;
  border-bottom-right-radius: 36px !important;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .video-marker-bar {
  grid-template-columns: 58px minmax(0, 1fr) auto !important;
  grid-template-areas: "play timeline time" !important;
  margin-bottom: 0 !important;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .timeline-actions,
.app-shell.student-mode:not(.student-onboarding) .stage-grid .view-toggles {
  display: none !important;
}

.app-shell.student-mode:not(.student-onboarding) .student-video-controls {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) auto auto !important;
  grid-template-areas: "sliders mirror actions" !important;
  align-items: end !important;
  gap: 12px !important;
  margin-top: 12px !important;
  padding: 0 0 2px !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.app-shell.student-mode:not(.student-onboarding) .student-video-controls .control-copy,
.app-shell.student-mode:not(.student-onboarding) #practiceButton,
.app-shell.student-mode:not(.student-onboarding) #danceButton {
  display: none !important;
}

.app-shell.student-mode:not(.student-onboarding) .student-video-controls .sliders {
  grid-area: sliders !important;
}

.app-shell.student-mode:not(.student-onboarding) .student-video-controls .toggle {
  grid-area: mirror !important;
}

.app-shell.student-mode:not(.student-onboarding) .student-video-controls .control-group {
  grid-area: actions !important;
  display: flex !important;
  justify-content: flex-end !important;
  align-items: center !important;
}

.app-shell.student-mode:not(.student-onboarding) #studentStepNextButton {
  min-width: 156px !important;
  justify-self: end;
}

@media (max-width: 840px) {
  .app-shell.student-mode:not(.student-onboarding) .student-video-controls {
    grid-template-columns: 1fr !important;
    grid-template-areas:
      "sliders"
      "mirror"
      "actions" !important;
    align-items: stretch !important;
  }

  .app-shell.student-mode:not(.student-onboarding) .student-video-controls .control-group {
    grid-area: actions !important;
    justify-content: stretch !important;
    width: 100% !important;
    margin-top: 4px !important;
  }

  .app-shell.student-mode:not(.student-onboarding) #studentStepNextButton,
  .app-shell.student-mode:not(.student-onboarding) #studentRetakeStepButton {
    width: 100%;
    min-height: 56px;
    border-radius: 22px;
  }
}

/* Student video cleanup: no start/end editing affordances in the learner window */
.app-shell.student-mode:not(.student-onboarding) .stage-grid {
  padding-bottom: clamp(18px, 2vw, 26px) !important;
}

.app-shell.student-mode:not(.student-onboarding) .stage-grid .teacher-frame-note,
.app-shell.student-mode:not(.student-onboarding) .stage-grid .marker-tick {
  display: none !important;
}

.app-shell.student-mode:not(.student-onboarding) .student-video-controls {
  padding-right: clamp(14px, 2vw, 24px) !important;
  padding-bottom: clamp(10px, 1.5vw, 18px) !important;
}

/* Modal editor polish: wider forms, integrated scrolling, no sideways drift */
.result-overlay {
  padding: clamp(16px, 3vw, 30px);
  overflow-x: hidden;
  overflow-y: auto;
}

.settings-card,
.create-card {
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-gutter: stable;
  border-radius: clamp(26px, 3.2vw, 38px);
}

.student-edit-card {
  width: min(860px, calc(100vw - 28px));
}

.student-edit-card .profile-fields,
.create-card .profile-fields,
.profile-form .profile-fields {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
}

.student-edit-card label,
.create-card label,
.profile-form label {
  min-width: 0;
}

.student-edit-card input,
.create-card input,
.profile-form input[type="text"],
.profile-form input[type="number"],
.profile-form input[type="date"] {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

.student-edit-card .style-check-grid,
.create-card .style-check-grid {
  grid-template-columns: repeat(auto-fit, minmax(138px, 1fr));
}

.settings-card::-webkit-scrollbar,
.create-card::-webkit-scrollbar {
  width: 10px;
  height: 0;
}

.settings-card::-webkit-scrollbar-track,
.create-card::-webkit-scrollbar-track {
  background: transparent;
}

.settings-card::-webkit-scrollbar-thumb,
.create-card::-webkit-scrollbar-thumb {
  border: 3px solid transparent;
  border-radius: 999px;
  background: rgba(118, 122, 111, 0.48);
  background-clip: padding-box;
}

:root[data-theme="dark"] .settings-card::-webkit-scrollbar-thumb,
:root[data-theme="dark"] .create-card::-webkit-scrollbar-thumb {
  background: rgba(230, 234, 224, 0.26);
  background-clip: padding-box;
}

.student-empty-lesson-card {
  width: min(460px, 100%);
  aspect-ratio: 1 / 1;
  padding: clamp(32px, 5vw, 58px);
  display: grid;
  place-items: center;
  align-content: center;
  justify-items: center;
  gap: 18px;
  text-align: center;
  border: 2px dashed rgba(16, 18, 15, 0.74);
  border-radius: clamp(34px, 4vw, 54px);
  background:
    radial-gradient(circle at 50% 28%, rgba(200, 255, 72, 0.26), transparent 15rem),
    rgba(255, 252, 246, 0.78);
  color: #10120f;
  box-shadow: 0 22px 60px rgba(16, 18, 15, 0.08);
}

.student-empty-lesson-card .student-empty-lesson-icon {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: #ff684d;
  background: #10120f;
  font-size: 4rem;
  font-weight: 1000;
  line-height: 0.55;
}

.student-empty-lesson-card strong {
  max-width: 9ch;
  color: inherit;
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 1000;
  line-height: 0.96;
  letter-spacing: -0.07em;
}

.student-empty-lesson-card small {
  max-width: 24ch;
  color: rgba(16, 18, 15, 0.58);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  font-weight: 900;
  line-height: 1.25;
}

:root[data-theme="dark"] .student-empty-lesson-card {
  border-color: rgba(200, 255, 72, 0.72);
  background:
    radial-gradient(circle at 50% 28%, rgba(200, 255, 72, 0.18), transparent 15rem),
    rgba(16, 18, 15, 0.72);
  color: #fffaf2;
}

:root[data-theme="dark"] .student-empty-lesson-card .student-empty-lesson-icon {
  color: #ff684d;
  background: #10120f;
  box-shadow: inset 0 0 0 1px rgba(255, 250, 242, 0.08);
}

:root[data-theme="dark"] .student-empty-lesson-card small {
  color: rgba(245, 247, 241, 0.66);
}

.student-studio-card .studio-channel-cover {
  overflow: visible !important;
}

.student-studio-card .studio-channel-logo {
  width: clamp(150px, 13vw, 190px);
  height: clamp(150px, 13vw, 190px);
  left: clamp(24px, 3.4vw, 48px);
  bottom: clamp(-74px, -4vw, -56px);
  z-index: 90 !important;
  border-width: 7px;
}

.student-studio-card .studio-channel-copy {
  position: relative;
  z-index: 1;
  padding-top: clamp(76px, 6vw, 96px);
}

.student-empty-lesson-card strong {
  width: min(100%, 12ch);
  max-width: 12ch;
  text-wrap: balance;
  overflow-wrap: normal;
  font-size: clamp(2rem, 4.35vw, 3.65rem);
  line-height: 0.98;
}

.student-empty-lesson-card small {
  width: min(100%, 27ch);
  max-width: 27ch;
  text-wrap: balance;
}

@media (max-width: 640px) {
  .settings-card,
  .create-card,
  .student-edit-card {
    width: min(100%, calc(100vw - 20px));
    max-height: calc(100dvh - 20px);
    border-radius: 28px;
  }

  .student-edit-card .profile-fields,
  .create-card .profile-fields,
  .profile-form .profile-fields {
    grid-template-columns: 1fr;
  }

.student-empty-lesson-card {
    width: min(320px, 100%);
    padding: 28px;
  }

  .student-studio-card .studio-channel-logo {
    width: 132px;
    height: 132px;
    left: 20px;
    bottom: -52px;
  }

  .student-studio-card .studio-channel-copy {
    padding-top: 64px;
  }
}

/* Teacher lesson wizard: reference recalculation lives next to the main action */
.teacher-step-secondary {
  position: absolute;
  right: clamp(220px, 18vw, 264px);
  bottom: clamp(22px, 3vw, 44px);
  z-index: 8;
  min-width: 210px;
  min-height: 64px;
  border: 1px solid rgba(245, 247, 241, 0.18);
  border-radius: 22px;
  padding: 0 22px;
  background: rgba(255, 255, 255, 0.12);
  color: #fffaf2;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(14px);
}

:root[data-theme="light"] .teacher-step-secondary {
  border-color: rgba(16, 18, 15, 0.14);
  background: rgba(16, 18, 15, 0.78);
  color: #fffaf2;
}

.teacher-step-secondary:disabled {
  opacity: 0.58;
  cursor: wait;
}

.app-shell.teacher-mode[data-teacher-step="scan"] .teacher-step-next {
  pointer-events: auto;
}

@media (max-width: 720px) {
  .teacher-step-next,
  .teacher-step-secondary {
    left: clamp(16px, 5vw, 24px);
    right: clamp(16px, 5vw, 24px);
    width: auto;
    min-width: 0;
  }

  .teacher-step-secondary {
    bottom: calc(clamp(22px, 3vw, 44px) + 76px);
  }
}

/* Teacher mobile-safe wizard actions: buttons stay below the video controls */
.teacher-step-actions {
  order: 4;
  margin: 12px 12px 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
}

.teacher-step-actions .teacher-step-next,
.teacher-step-actions .teacher-step-secondary {
  position: static;
  inset: auto;
  width: auto;
  min-height: 60px;
  align-self: auto;
}

.teacher-step-actions .teacher-step-next {
  min-width: 180px;
}

.teacher-step-actions .teacher-step-secondary {
  min-width: 220px;
}

.app-shell.teacher-mode .video-setup-panel {
  order: 5;
}

@media (max-width: 720px) {
  .teacher-step-actions {
    flex-direction: column-reverse;
    align-items: stretch;
    margin: 12px 8px 0;
  }

  .teacher-step-actions .teacher-step-next,
  .teacher-step-actions .teacher-step-secondary {
    width: 100%;
    min-width: 0;
    min-height: 58px;
  }
}

/* Mobile-only header and student level card corrections */
@media (max-width: 720px) {
  .topbar .brand-lockup {
    min-width: 0;
    width: auto;
    max-width: calc(100vw - 116px);
    flex-shrink: 1;
    align-items: center;
    overflow: visible;
  }

  .topbar .brand-lockup > div {
    min-width: 0;
    width: max-content;
    max-width: 100%;
    flex: 0 0 auto;
  }

  .topbar .brand-lockup h1 {
    display: inline-block;
    width: max-content;
    max-width: none;
    white-space: nowrap;
    overflow: visible;
    text-overflow: clip;
    flex: 0 0 auto;
    font-size: clamp(2.35rem, 10.4vw, 2.75rem) !important;
    line-height: 0.86;
    letter-spacing: -0.09em;
    transform: scaleX(1.08);
    transform-origin: left center;
  }

  .topbar .brand-lockup h1::after {
    top: 50%;
    bottom: auto;
    right: -0.58em;
    width: 0.32em;
    height: 0.32em;
    transform: translateY(-50%) scaleX(0.93);
  }

  .icon-account-switch {
    padding: 5px;
    align-self: center;
  }

  .icon-account-switch .account-main,
  .icon-account-switch .account-main.active {
    width: 42px;
    min-width: 42px;
    min-height: 42px;
  }

  .icon-account-switch .account-main .account-icon {
    width: 21px;
    height: 21px;
  }

}

/* Completed lessons empty state */
.completed-lessons-grid:has(.completed-lessons-empty) {
  grid-template-columns: 1fr;
}

.completed-lessons-empty {
  width: min(100%, 640px);
  min-height: clamp(250px, 26vw, 340px);
  margin: 0;
  justify-self: start;
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 18px;
  overflow: hidden;
  border: 1px solid rgba(16, 18, 15, 0.08);
  border-radius: clamp(28px, 3vw, 42px);
  padding: clamp(34px, 5vw, 58px);
  background:
    radial-gradient(circle at 50% 18%, rgba(200, 255, 72, 0.26), transparent 12rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(255, 250, 242, 0.58));
  color: rgba(16, 18, 15, 0.62);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.58),
    0 20px 54px rgba(16, 18, 15, 0.08);
  text-align: center;
  font-size: clamp(1.25rem, 2.1vw, 1.75rem);
  font-weight: 950;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.completed-lessons-empty::before {
  content: "✓";
  width: clamp(78px, 8vw, 112px);
  height: clamp(78px, 8vw, 112px);
  border-radius: 50%;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 32% 24%, rgba(255, 255, 255, 0.26), transparent 2.2rem),
    linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10120f;
  box-shadow:
    inset 0 0 0 8px rgba(16, 18, 15, 0.08),
    0 18px 46px rgba(200, 255, 72, 0.22);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
}

.completed-lessons-empty::after {
  content: "После первой сдачи здесь появятся карточки уроков, звёзды и история прогресса.";
  width: min(100%, 34ch);
  color: rgba(16, 18, 15, 0.42);
  font-size: clamp(0.92rem, 1.3vw, 1.05rem);
  font-weight: 850;
  line-height: 1.28;
  letter-spacing: 0;
}

:root[data-theme="dark"] .completed-lessons-empty {
  border-color: rgba(255, 255, 255, 0.1);
  background:
    radial-gradient(circle at 50% 18%, rgba(200, 255, 72, 0.14), transparent 12rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(16, 18, 15, 0.68));
  color: rgba(255, 250, 242, 0.78);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.05),
    0 20px 54px rgba(0, 0, 0, 0.18);
}

:root[data-theme="dark"] .completed-lessons-empty::after {
  color: rgba(255, 250, 242, 0.52);
}

.dancer-profile-page .dancer-channel,
.dancer-profile-page .dancer-channel-cover,
.dancer-profile-page .dancer-channel-copy {
  overflow: visible !important;
}

.dancer-profile-page .dancer-channel-cover {
  z-index: 2;
}

.dancer-profile-page .dancer-avatar-large {
  z-index: 20;
}

@media (max-width: 720px) {
  .completed-lessons-panel {
    border-radius: 28px;
  }

  .completed-lessons-head {
    display: grid;
    gap: 12px;
    align-items: start;
  }

  .completed-lessons-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .completed-lessons-tabs button {
    min-height: 40px;
    padding: 0 10px;
    font-size: 0.78rem;
  }

  .completed-lessons-empty {
    width: 100%;
    min-height: 280px;
    justify-self: stretch;
    border-radius: 30px;
    padding: 32px 24px;
    font-size: clamp(1.28rem, 6vw, 1.85rem);
  }

  .completed-lessons-grid > .student-empty-lesson-card {
    justify-self: stretch;
    width: 100%;
  }
}

/* Account drawer compact sizing */
.icon-account-switch {
  padding: 5px;
}

.icon-account-switch:hover::before,
.icon-account-switch:focus-within::before {
  inset: 0 0 -118px 0;
}

.account-drawer {
  gap: 7px;
  padding: 10px 0 7px;
}

.icon-account-switch .account-nav-button {
  width: 46px;
  min-width: 46px;
  min-height: 46px;
}

.icon-account-switch .account-nav-button.active {
  width: 48px;
  min-width: 48px;
  min-height: 48px;
}

.account-drawer .account-nav-button,
.settings-toggle {
  width: 44px;
  min-width: 44px;
  min-height: 44px;
}

.account-drawer .account-nav-button.active {
  width: 46px;
  min-width: 46px;
  min-height: 46px;
}

/* Mobile header and round folder card finishing pass */
@media (max-width: 720px) {
  .topbar .brand-lockup {
    gap: 0 !important;
    max-width: calc(100vw - 108px);
  }

  .topbar .brand-mark {
    display: none !important;
  }

  .topbar .brand-lockup > div {
    min-width: max-content !important;
    width: max-content !important;
  }

  .topbar .brand-lockup h1 {
    font-family: "Arial Black", "Arial Rounded MT Bold", Impact, Inter, sans-serif !important;
    font-size: clamp(2.35rem, 12vw, 3.25rem) !important;
    font-weight: 1000 !important;
    line-height: 0.86 !important;
    letter-spacing: -0.09em !important;
    transform: scaleX(1.08) !important;
    transform-origin: left center !important;
    white-space: nowrap !important;
    overflow: visible !important;
  }

  .topbar .brand-lockup h1::after {
    top: 50% !important;
    right: -0.58em !important;
    bottom: auto !important;
    width: 0.32em !important;
    height: 0.32em !important;
    transform: translateY(-50%) scaleX(0.93) !important;
  }
}

.teacher-space-panel #teacherGroupList .folder-card-group .folder-icon .folder-mark,
.teacher-space-panel #teacherLessonList .folder-card-subgroup .folder-icon .folder-mark,
.student-access-grid .folder-card-group .folder-icon .folder-mark,
.student-access-grid .folder-card-subgroup .folder-icon .folder-mark {
  width: min(86%, 250px);
  max-width: min(86%, 250px);
  min-width: 0;
  display: -webkit-box;
  -webkit-line-clamp: var(--folder-mark-lines, 1);
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: clip;
  overflow-wrap: anywhere;
  white-space: normal;
  color: #fffaf2;
  text-align: center;
  font-size: clamp(1.8rem, 10vw, var(--folder-mark-size, 8rem));
  font-weight: 1000;
  line-height: 0.84;
  letter-spacing: var(--folder-mark-spacing, -0.11em);
}

.teacher-space-panel #teacherGroupList .folder-card-group .folder-card-type,
.teacher-space-panel #teacherLessonList .folder-card-subgroup .folder-card-type,
.student-access-grid .folder-card-group .folder-card-type,
.student-access-grid .folder-card-subgroup .folder-card-type {
  max-width: min(82%, 260px);
}

.teacher-space-panel #teacherGroupList .folder-card-group .folder-card-note,
.teacher-space-panel #teacherLessonList .folder-card-subgroup .folder-card-note,
.student-access-grid .folder-card-group .folder-card-note,
.student-access-grid .folder-card-subgroup .folder-card-note {
  max-width: min(82%, 260px);
}

/* Dancer profile: make studio membership visible as an important context */
.dancer-studio-label {
  width: fit-content;
  max-width: min(100%, 680px);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px 10px 14px;
  border: 1px solid rgba(200, 255, 72, 0.42);
  border-radius: 999px;
  background:
    radial-gradient(circle at 18% 50%, rgba(200, 255, 72, 0.2), transparent 4.8rem),
    rgba(255, 255, 255, 0.34);
  color: #11130f !important;
  box-shadow: 0 14px 34px rgba(200, 255, 72, 0.08);
  font-size: clamp(1.55rem, 2.7vw, 2.45rem) !important;
  font-weight: 1000 !important;
  letter-spacing: 0.055em;
}

.dancer-studio-label::before {
  content: "";
  width: 0.42em;
  height: 0.42em;
  min-width: 0.42em;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 8px rgba(200, 255, 72, 0.14);
}

:root[data-theme="dark"] .dancer-studio-label {
  border-color: rgba(200, 255, 72, 0.5);
  background:
    radial-gradient(circle at 18% 50%, rgba(200, 255, 72, 0.16), transparent 4.8rem),
    rgba(255, 255, 255, 0.06);
  color: rgba(255, 250, 242, 0.94) !important;
}

@media (max-width: 720px) {
  .dancer-studio-label {
    max-width: 100%;
    padding: 8px 14px 8px 12px;
    font-size: clamp(1.25rem, 7vw, 2rem) !important;
  }
}

/* Final header lockup: brand wordmark must not distort, and avatar mark is removed everywhere */
.topbar {
  flex-wrap: nowrap !important;
  overflow: visible !important;
}

.topbar .brand-mark {
  display: none !important;
}

.topbar .brand-lockup {
  flex: 1 1 auto !important;
  min-width: 0 !important;
  max-width: calc(100% - 76px) !important;
  gap: 0 !important;
  overflow: visible !important;
}

.topbar .brand-lockup > div {
  flex: 0 0 auto !important;
  width: max-content !important;
  min-width: max-content !important;
  max-width: none !important;
  display: grid !important;
  gap: 3px !important;
  overflow: visible !important;
}

.topbar .brand-lockup .eyebrow {
  font-size: clamp(0.48rem, 0.72vw, 0.58rem) !important;
  line-height: 1 !important;
  letter-spacing: 0.18em !important;
  color: #38775f !important;
  opacity: 0.9 !important;
  transform: translateX(0.08em) !important;
}

.topbar .brand-lockup h1 {
  position: relative !important;
  display: block !important;
  width: max-content !important;
  min-width: max-content !important;
  max-width: none !important;
  flex: 0 0 auto !important;
  font-family: "Arial Black", "Arial Rounded MT Bold", Impact, Inter, sans-serif !important;
  font-weight: 1000 !important;
  font-stretch: normal !important;
  font-size: clamp(2.05rem, 3.05vw, 2.95rem) !important;
  line-height: 0.86 !important;
  letter-spacing: -0.09em !important;
  color: var(--text) !important;
  white-space: nowrap !important;
  word-break: keep-all !important;
  overflow-wrap: normal !important;
  text-wrap: nowrap !important;
  text-overflow: clip !important;
  overflow: visible !important;
  transform: scaleX(1.14) scaleY(0.94) !important;
  transform-origin: left center !important;
}

.topbar .brand-lockup h1::after {
  top: 50% !important;
  right: -0.58em !important;
  bottom: auto !important;
  width: 0.32em !important;
  height: 0.32em !important;
  background: #ff684d !important;
  transform: translateY(-50%) scaleX(0.93) !important;
}

.topbar .icon-account-switch {
  order: 3 !important;
  flex: 0 0 auto !important;
  margin-left: auto !important;
  align-self: center !important;
  justify-self: end !important;
  position: relative !important;
  z-index: 80 !important;
}

.topbar .account-drawer {
  left: 50% !important;
  right: auto !important;
  width: calc(100% - 10px) !important;
  min-width: 0 !important;
  transform: translate(-50%, -14px) scale(0.94) !important;
  transform-origin: top center !important;
}

.topbar .account-menu:hover .account-drawer,
.topbar .account-menu:focus-within .account-drawer {
  transform: translate(-50%, 0) scale(1) !important;
}

@media (max-width: 1024px) {
  .topbar {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    height: 78px !important;
    min-height: 78px !important;
    max-height: 78px !important;
    padding: 8px 14px 8px 22px !important;
    gap: 12px !important;
    box-sizing: border-box !important;
  }

  .topbar .brand-lockup {
    max-width: calc(100% - 72px) !important;
    align-items: center !important;
    align-self: center !important;
  }

  .topbar .brand-lockup h1 {
    font-size: clamp(2.2rem, 3.65vw, 2.85rem) !important;
    transform: scaleX(1.16) scaleY(0.92) !important;
  }

  .topbar .brand-lockup .eyebrow {
    font-size: clamp(0.46rem, 1.1vw, 0.56rem) !important;
  }

  .topbar .icon-account-switch {
    align-self: center !important;
    display: grid !important;
    place-items: center !important;
    width: 52px !important;
    min-width: 52px !important;
    height: 52px !important;
    min-height: 52px !important;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
    margin-left: auto !important;
    padding: 4px !important;
    transform: none !important;
  }

  .topbar .icon-account-switch::before {
    inset: 0 !important;
  }

  .topbar .icon-account-switch:hover::before,
  .topbar .icon-account-switch:focus-within::before {
    inset: 0 0 -108px 0 !important;
  }

  .topbar .icon-account-switch .account-main,
  .topbar .icon-account-switch .account-main.active {
    width: 44px !important;
    min-width: 44px !important;
    min-height: 44px !important;
    height: 44px !important;
  }
}

@media (max-width: 720px) {
  .topbar {
    height: 76px !important;
    min-height: 76px !important;
    max-height: 76px !important;
    padding: 8px 10px 8px 16px !important;
  }

  .topbar .brand-lockup {
    max-width: calc(100vw - 112px) !important;
  }

  .topbar .brand-lockup .eyebrow {
    display: none !important;
  }

  .topbar .brand-lockup h1 {
    font-size: clamp(2.35rem, 11.2vw, 3.15rem) !important;
    transform: scaleX(1.14) scaleY(0.94) !important;
  }
}