@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;600;700;800&family=Sora:wght@500;600;700;800&display=swap');

:root {
  --jamberoo-light-blue: #55cffb;
  --jamberoo-dark-blue: #2c248c;
  --bg: #060a26;
  --bg-soft: #0d1450;
  --panel: rgba(18, 24, 82, 0.9);
  --panel-strong: rgba(24, 32, 102, 0.94);
  --line: #3446a9;
  --text: #eaf6ff;
  --muted: #a8c0e4;
  --brand: var(--jamberoo-light-blue);
  --brand-strong: var(--jamberoo-dark-blue);
  --good: #10b981;
  --warn: #f97316;
  --danger: #f04b5c;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.32);
  --view-footer-height: 68px;
  --teacher-footer-height: 72px;
}

:root[data-theme='light'] {
  --bg: #edf7ff;
  --bg-soft: #d8ecfb;
  --panel: rgba(255, 255, 255, 0.92);
  --panel-strong: rgba(255, 255, 255, 0.96);
  --line: #b7cdea;
  --text: #182459;
  --muted: #4d6494;
  --brand: var(--jamberoo-dark-blue);
  --brand-strong: #221a72;
  --good: #0f9f6e;
  --warn: #d97706;
  --danger: #dc3d4b;
  --shadow: 0 12px 28px rgba(24, 42, 77, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: 'Manrope', sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 500px at -10% -20%, rgba(85, 207, 251, 0.26), transparent 65%),
    radial-gradient(900px 500px at 120% -5%, rgba(44, 36, 140, 0.34), transparent 60%),
    linear-gradient(180deg, #060a26 0%, #070d31 100%);
}

:root[data-theme='light'] body {
  background:
    radial-gradient(1100px 500px at -10% -20%, rgba(85, 207, 251, 0.24), transparent 65%),
    radial-gradient(900px 500px at 120% -5%, rgba(44, 36, 140, 0.12), transparent 60%),
    linear-gradient(180deg, #edf7ff 0%, #e2f1ff 100%);
}

:root[data-theme='light'] .mode-card,
:root[data-theme='light'] .panel,
:root[data-theme='light'] .token,
:root[data-theme='light'] .view-toggle-row,
:root[data-theme='light'] .store-item-row,
:root[data-theme='light'] .history-row,
:root[data-theme='light'] .event-row,
:root[data-theme='light'] .student-card,
:root[data-theme='light'] .display-student-card,
:root[data-theme='light'] .leader-card,
:root[data-theme='light'] .student-metric,
:root[data-theme='light'] .student-skill-row,
:root[data-theme='light'] .skill-action,
:root[data-theme='light'] .sheet-section,
:root[data-theme='light'] .tab-button,
:root[data-theme='light'] .ghost-button,
:root[data-theme='light'] .secondary-button,
:root[data-theme='light'] input,
:root[data-theme='light'] select,
:root[data-theme='light'] textarea {
  border-color: #b7cdea;
  color: #0d1b34;
  background: rgba(255, 255, 255, 0.94);
}

:root[data-theme='light'] .primary-button {
  border-color: #2c248c;
  color: #f7fbff;
  background: linear-gradient(130deg, #55cffb, #2c248c);
}

:root[data-theme='light'] .primary-button.is-off {
  border-color: #8ea7cc;
  color: #22335a;
  background: linear-gradient(130deg, #deebfa, #b8cee9);
}

:root[data-theme='light'] .view-footer {
  border-top-color: #b7cdea;
  background: rgba(241, 246, 255, 0.92);
}

:root[data-theme='light'] .teacher-footer {
  border-top-color: #b7cdea;
  background: rgba(241, 246, 255, 0.92);
}

:root[data-theme='light'] .view-nav-link {
  border-color: #b7cdea;
  color: #10203d;
  background: rgba(255, 255, 255, 0.96);
}

:root[data-theme='light'] .teacher-tab-button {
  border-color: #b7cdea;
  color: #10203d;
  background: rgba(255, 255, 255, 0.96);
}

:root[data-theme='light'] .student-points.points-positive {
  color: #23367f;
  background: rgba(85, 207, 251, 0.2);
}

:root[data-theme='light'] .student-points.points-negative {
  color: #b12c39;
  background: rgba(240, 75, 92, 0.14);
}

:root[data-theme='light'] .history-time,
:root[data-theme='light'] .event-time,
:root[data-theme='light'] .store-item-meta,
:root[data-theme='light'] .metric-sub,
:root[data-theme='light'] .metric-label,
:root[data-theme='light'] .eyebrow,
:root[data-theme='light'] .student-meta-row,
:root[data-theme='light'] .display-student-meta {
  color: #5b6f8f;
}

:root[data-theme='light'] .character-stage {
  border-color: #b7cdea;
  background:
    radial-gradient(300px 200px at 50% 12%, rgba(85, 207, 251, 0.2), transparent 65%),
    radial-gradient(300px 220px at 30% 95%, rgba(44, 36, 140, 0.13), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(239, 245, 255, 0.95));
}

:root[data-theme='light'] .character-stand {
  border-color: #b7cdea;
  background: linear-gradient(160deg, rgba(221, 232, 252, 0.8), rgba(240, 246, 255, 0.96));
}

:root[data-theme='light'] .leaderboard-mini-row {
  border-color: #b7cdea;
  background: rgba(255, 255, 255, 0.96);
}

:root[data-theme='light'] .leader-rank-chip {
  border-color: #b7cdea;
  color: #4f6281;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: 'Sora', sans-serif;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

.hidden {
  display: none !important;
}

.eyebrow {
  margin-bottom: 0.35rem;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 800;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  padding: 0.95rem;
  backdrop-filter: blur(6px);
}

.panel h2 {
  margin-bottom: 0.82rem;
  font-size: 1.06rem;
}

.mini-empty {
  font-size: 0.9rem;
  color: var(--muted);
}

.pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.42rem 0.72rem;
  background: rgba(20, 34, 60, 0.9);
  color: var(--muted);
}

.pill.online {
  color: #d8f6ff;
  border-color: rgba(85, 207, 251, 0.5);
  background: rgba(85, 207, 251, 0.22);
}

.pill.offline {
  color: #ffc688;
  border-color: rgba(249, 115, 22, 0.45);
  background: rgba(249, 115, 22, 0.16);
}

.pill.alert {
  color: #e0f7ff;
  border-color: rgba(85, 207, 251, 0.62);
  background: rgba(40, 147, 255, 0.3);
}

.primary-button,
.secondary-button,
.ghost-button,
.icon-delete,
.tab-button {
  border-radius: 0.72rem;
  cursor: pointer;
  transition: transform 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.primary-button {
  border: 1px solid #2c248c;
  color: #f5f9ff;
  background: linear-gradient(130deg, var(--brand), var(--brand-strong));
  font-weight: 700;
  padding: 0.58rem 0.84rem;
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.tab-button:hover {
  transform: translateY(-1px);
}

.primary-button.compact {
  padding: 0.48rem 0.7rem;
}

.primary-button.is-on {
  border-color: #55cffb;
  background: linear-gradient(130deg, #74ddff, #2c248c);
}

.primary-button.is-off {
  border-color: rgba(156, 175, 206, 0.46);
  color: #d4e2f7;
  background: linear-gradient(130deg, rgba(43, 64, 110, 0.94), rgba(18, 31, 55, 0.96));
}

.secondary-button {
  border: 1px solid var(--line);
  background: rgba(20, 34, 60, 0.94);
  color: var(--text);
  font-weight: 700;
  padding: 0.52rem 0.72rem;
}

.secondary-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.ghost-button {
  border: 1px solid var(--line);
  background: rgba(18, 31, 54, 0.95);
  color: var(--text);
  font-size: 0.86rem;
  padding: 0.42rem 0.66rem;
}

.ghost-button.danger {
  border-color: rgba(240, 75, 92, 0.48);
  color: #ff94a0;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: rgba(13, 25, 48, 0.92);
  color: var(--text);
  padding: 0.58rem 0.62rem;
}

textarea {
  resize: vertical;
  min-height: 4.8rem;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible {
  outline: 2px solid rgba(85, 207, 251, 0.5);
  outline-offset: 1px;
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 999px;
  border: 2px solid rgba(85, 207, 251, 0.35);
  background: linear-gradient(145deg, #1a3059, #233f70);
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-medium {
  width: 3.2rem;
  height: 3.2rem;
}

.avatar-large {
  width: 4rem;
  height: 4rem;
}

.avatar-fallback {
  color: #dce8ff;
  font-family: 'Sora', sans-serif;
  font-size: 1rem;
  font-weight: 700;
}

.progress-wrap {
  width: 100%;
  height: 0.5rem;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(8, 16, 30, 0.9);
}

.progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #55cffb, #2c248c);
  transition: width 220ms ease;
}

.metric-label {
  color: var(--muted);
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.metric-value {
  margin-top: 0.32rem;
  font-size: 1.13rem;
  font-weight: 800;
}

.metric-sub {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.82rem;
}

/* Launch */

.launch-body {
  display: grid;
  place-items: center;
  padding: 1rem;
}

.launch-shell {
  width: min(900px, 100%);
  display: grid;
  gap: 1rem;
}

.launch-header h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 0.5rem;
}

.launch-copy,
.launch-footer {
  color: var(--muted);
}

.mode-grid {
  display: grid;
  gap: 0.9rem;
}

.mode-card {
  display: block;
  background: var(--panel-strong);
  border: 1px solid var(--line);
  border-radius: 1rem;
  text-decoration: none;
  box-shadow: var(--shadow);
  padding: 1rem;
}

.mode-label {
  margin-bottom: 0.4rem;
  display: inline-block;
  color: #8edfff;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
}

.mode-card h2 {
  margin-bottom: 0.4rem;
}

.mode-card p:last-child {
  color: var(--muted);
}

/* Teacher */

.teacher-body {
  min-height: 100vh;
}

.teacher-shell {
  width: min(100%, 490px);
  margin: 0 auto;
  display: grid;
  gap: 0.78rem;
  padding: 0.9rem 0.72rem calc(var(--teacher-footer-height) + 1.1rem);
}

.auth-panel {
  width: min(100%, 430px);
  margin: 0 auto;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  align-items: flex-start;
}

.top-bar-controls {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.top-bar h1 {
  font-size: clamp(1.55rem, 7vw, 2.05rem);
}

.inline-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.56rem;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.bento-card {
  min-height: 6.3rem;
}

.season-form {
  display: grid;
  gap: 0.44rem;
}

.control-row {
  margin-top: 0.55rem;
  display: grid;
  gap: 0.45rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.leaderboard-row {
  margin-top: 0.65rem;
}

.stack-form {
  display: grid;
  gap: 0.6rem;
}

.stack-form label {
  display: grid;
  gap: 0.32rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.panel-heading {
  margin-bottom: 0.55rem;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.panel-heading p {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.students-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(112px, 1fr));
  gap: 0.46rem;
}

.student-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(23, 39, 69, 0.95), rgba(15, 27, 48, 0.95));
  border-radius: 0.76rem;
  padding: 0.36rem 0.3rem;
  display: grid;
  justify-items: center;
  gap: 0.18rem;
  text-align: center;
  color: var(--text);
  min-height: 0;
}

.student-card .avatar-medium {
  width: 2.45rem;
  height: 2.45rem;
  border-width: 1.5px;
}

.student-card.selected {
  border-color: rgba(85, 207, 251, 0.75);
  box-shadow: 0 0 0 2px rgba(85, 207, 251, 0.2);
}

.student-name {
  font-size: 0.75rem;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
}

.student-meta-row {
  display: inline-flex;
  gap: 0.3rem;
  align-items: center;
  font-size: 0.69rem;
  color: var(--muted);
}

.verify-badge {
  width: 1rem;
  height: 1rem;
  border-radius: 999px;
  border: 1px solid rgba(156, 175, 206, 0.4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.56rem;
  font-weight: 800;
  color: #6f89ad;
}

.verify-badge.on {
  border-color: rgba(85, 207, 251, 0.6);
  background: rgba(85, 207, 251, 0.2);
  color: #c7ecff;
}

.student-points {
  font-size: 0.73rem;
  font-weight: 800;
  border-radius: 999px;
  padding: 0.08rem 0.42rem;
}

.student-points.points-positive {
  color: #bdefff;
  background: rgba(85, 207, 251, 0.24);
}

.student-points.points-negative {
  color: #ff9ba6;
  background: rgba(240, 75, 92, 0.2);
}

.skill-form,
.store-form,
.quick-skill-form,
.quick-adjust-row {
  display: grid;
  gap: 0.44rem;
}

.skill-columns {
  margin-top: 0.72rem;
  display: grid;
  gap: 0.75rem;
}

.skill-columns h3 {
  margin-bottom: 0.4rem;
  font-size: 0.94rem;
}

.view-settings-columns {
  margin-top: 0.72rem;
  display: grid;
  gap: 0.75rem;
}

.view-settings-columns h3 {
  margin-bottom: 0.4rem;
  font-size: 0.94rem;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  color: var(--muted);
}

.checkbox-row input[type='checkbox'] {
  width: 1rem;
  height: 1rem;
}

.notification-status-text {
  margin-top: 0.52rem;
}

.toggle-list {
  display: grid;
  gap: 0.42rem;
}

.view-toggle-row {
  border: 1px solid var(--line);
  border-radius: 0.72rem;
  background: rgba(16, 29, 53, 0.94);
  padding: 0.45rem 0.52rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.52rem;
}

.view-toggle-copy {
  min-width: 0;
}

.view-toggle-title {
  font-size: 0.85rem;
  font-weight: 700;
}

.view-toggle-sub {
  margin-top: 0.14rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.visibility-toggle-btn {
  min-width: 5.9rem;
  white-space: nowrap;
}

.visibility-toggle-btn.is-on {
  border-color: rgba(85, 207, 251, 0.58);
  background: rgba(85, 207, 251, 0.2);
  color: #d8f6ff;
}

.visibility-toggle-btn.is-off {
  border-color: rgba(240, 75, 92, 0.48);
  background: rgba(240, 75, 92, 0.14);
  color: #ff9ba6;
}

.token-list,
.store-list,
.history-list,
.events-feed,
.skill-button-grid {
  display: grid;
  gap: 0.44rem;
}

.token,
.store-item-row,
.history-row,
.event-row {
  border: 1px solid var(--line);
  border-radius: 0.72rem;
  background: rgba(16, 29, 53, 0.94);
  padding: 0.45rem 0.54rem;
}

.token {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 0.44rem;
}

.token-icon {
  font-size: 0.84rem;
  color: #8edfff;
  font-weight: 800;
}

.token-label {
  font-size: 0.86rem;
  font-weight: 700;
}

.token-points {
  font-size: 0.78rem;
  font-weight: 800;
  color: #74d5fb;
}

.icon-delete {
  width: 1.45rem;
  height: 1.45rem;
  border: 1px solid rgba(240, 75, 92, 0.45);
  background: rgba(240, 75, 92, 0.14);
  color: #ff9ca7;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.store-item-row,
.history-row,
.event-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.52rem;
}

.access-code-row,
.shoutout-row {
  align-items: flex-start;
}

.access-code-actions {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.32rem;
}

.status-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.16rem 0.48rem;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 800;
  color: var(--muted);
  background: rgba(20, 34, 60, 0.9);
}

.status-pill.pending {
  color: #f8d39b;
  border-color: rgba(249, 115, 22, 0.4);
  background: rgba(249, 115, 22, 0.15);
}

.status-pill.approved {
  color: #d8f6ff;
  border-color: rgba(85, 207, 251, 0.48);
  background: rgba(85, 207, 251, 0.18);
}

.status-pill.archived {
  color: #b4c4df;
}

.store-item-name,
.history-reason,
.event-text {
  font-size: 0.87rem;
  font-weight: 700;
}

.store-item-meta,
.history-time,
.event-time {
  color: var(--muted);
  font-size: 0.75rem;
}

.history-delta.plus,
.event-delta.plus {
  color: #a9e8ff;
}

.history-delta.minus,
.event-delta.minus {
  color: #ff97a4;
}

.callout-row {
  border-color: rgba(85, 207, 251, 0.55);
  background: rgba(24, 45, 80, 0.96);
}

.sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.5);
}

.student-sheet {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 12;
  transform: translateY(105%);
  transition: transform 240ms ease;
  max-height: 88vh;
  overflow: auto;
  border-top-left-radius: 1.2rem;
  border-top-right-radius: 1.2rem;
  border-top: 1px solid var(--line);
  background: rgba(9, 18, 34, 0.97);
  box-shadow: 0 -18px 44px rgba(0, 0, 0, 0.45);
  padding: 0.85rem 0.78rem 1.22rem;
}

.student-sheet.open {
  transform: translateY(0);
}

.sheet-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.56rem;
}

.sheet-student {
  display: flex;
  align-items: center;
  gap: 0.52rem;
}

.sheet-avatar-button {
  border: 1px solid rgba(85, 207, 251, 0.38);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.14rem;
  cursor: pointer;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.sheet-avatar-button:hover {
  border-color: rgba(85, 207, 251, 0.65);
  box-shadow: 0 0 0 2px rgba(85, 207, 251, 0.22);
  transform: translateY(-1px);
}

.sheet-avatar-button:focus-visible {
  outline: 2px solid rgba(85, 207, 251, 0.55);
  outline-offset: 2px;
}

.sheet-student h2 {
  font-size: 1.08rem;
}

.sheet-student p {
  font-size: 0.82rem;
  color: var(--muted);
}

.sheet-tabs {
  margin-top: 0.78rem;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.36rem;
}

.tab-button {
  border: 1px solid var(--line);
  background: rgba(18, 32, 56, 0.94);
  color: var(--muted);
  font-weight: 700;
  font-size: 0.77rem;
  padding: 0.48rem 0.36rem;
}

.tab-button.active {
  border-color: rgba(85, 207, 251, 0.65);
  color: #e3f5ff;
  background: rgba(85, 207, 251, 0.18);
}

.sheet-section {
  margin-top: 0.82rem;
  border: 1px solid var(--line);
  border-radius: 0.82rem;
  background: rgba(14, 26, 47, 0.94);
  padding: 0.72rem;
}

.sheet-section h3 {
  font-size: 0.91rem;
  margin-bottom: 0.55rem;
}

.skill-action {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 0.72rem;
  background: rgba(18, 32, 56, 0.96);
  color: var(--text);
  padding: 0.48rem 0.56rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.46rem;
  align-items: center;
  text-align: left;
}

.skill-action.positive {
  border-color: rgba(85, 207, 251, 0.48);
}

.skill-action.negative {
  border-color: rgba(240, 75, 92, 0.45);
}

.skill-action-icon {
  font-size: 0.86rem;
  color: #8edfff;
  font-weight: 800;
}

.skill-action-label {
  font-size: 0.85rem;
  font-weight: 700;
}

.skill-action-points {
  font-size: 0.8rem;
  font-weight: 800;
}

.reward-unlocked {
  border-color: rgba(85, 207, 251, 0.58);
  background: rgba(32, 55, 96, 0.58);
}

.status-line {
  margin-top: 0.64rem;
  min-height: 1.1rem;
  color: #c4f1ff;
  font-size: 0.84rem;
  font-weight: 700;
}

.status-line.error {
  color: #ff9ba6;
}

.teacher-footer {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 8;
  border-top: 1px solid var(--line);
  background: rgba(8, 16, 30, 0.96);
  backdrop-filter: blur(8px);
  padding: 0.44rem 0.62rem calc(0.54rem + env(safe-area-inset-bottom));
}

.teacher-footer-nav {
  width: min(980px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 0.36rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.teacher-tab-button {
  border: 1px solid var(--line);
  border-radius: 0.68rem;
  background: rgba(20, 34, 60, 0.94);
  color: var(--text);
  text-align: center;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.5rem 0.34rem;
  transition: transform 150ms ease, border-color 150ms ease, background-color 150ms ease;
}

.teacher-tab-button:hover {
  transform: translateY(-1px);
  border-color: rgba(85, 207, 251, 0.58);
}

.teacher-tab-button.active {
  border-color: rgba(85, 207, 251, 0.68);
  background: rgba(85, 207, 251, 0.2);
  color: #e6f6ff;
}

/* Display */

.display-body {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
}

.display-shell {
  width: min(1460px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0.72rem;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  padding: 0.74rem 0.74rem calc(0.6rem + var(--view-footer-height));
}

.display-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.85rem;
  flex-wrap: wrap;
}

.display-head h1 {
  font-size: clamp(1.75rem, 5vw, 2.8rem);
}

.student-title-row {
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
  max-width: 100%;
}

.student-back-link {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  min-width: 2rem;
  height: 2rem;
  padding: 0;
  text-decoration: none;
  font-size: 1.15rem;
  line-height: 1;
  font-weight: 800;
}

.display-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.display-bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.62rem;
}

.display-layout {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.82fr) minmax(300px, 1fr);
  gap: 0.72rem;
  overflow: hidden;
}

.display-stack-layout {
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.72rem;
  overflow: hidden;
}

.display-main,
.display-side {
  min-height: 0;
  display: grid;
  gap: 0.72rem;
  overflow: hidden;
}

.display-main {
  grid-template-rows: 1fr;
}

.display-side {
  grid-template-rows: 1fr;
}

.display-panel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 0.6rem;
}

.display-panel h2 {
  margin-bottom: 0;
  font-size: 0.98rem;
}

.leaderboard-grid {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(122px, 1fr));
  align-content: start;
  overflow: hidden;
}

.leader-card {
  border: 1px solid var(--line);
  border-radius: 0.76rem;
  background: rgba(17, 32, 58, 0.95);
  padding: 0.48rem 0.42rem;
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 0.18rem;
}

.leader-link,
.display-student-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.leader-card .avatar-large {
  width: 2.75rem;
  height: 2.75rem;
}

.leader-card.focus {
  border-color: rgba(85, 207, 251, 0.7);
  box-shadow: 0 0 0 2px rgba(85, 207, 251, 0.22);
}

.leader-rank {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.leader-name {
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.leader-points {
  color: #7ad8fb;
  font-weight: 800;
  font-size: 0.74rem;
}

.display-students-grid {
  display: grid;
  gap: 0.44rem;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  height: 100%;
  grid-auto-rows: minmax(0, 1fr);
  align-content: stretch;
  overflow: hidden;
}

.display-student-link {
  height: 100%;
}

.display-student-card {
  border: 1px solid var(--line);
  border-radius: 0.72rem;
  background: rgba(17, 30, 54, 0.95);
  padding: 0.32rem 0.26rem;
  height: 100%;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto auto;
  align-content: stretch;
  align-items: center;
  justify-items: center;
  text-align: center;
  gap: 0.1rem;
  overflow: hidden;
}

.display-student-card .avatar-medium {
  width: min(68%, 4.5rem);
  height: auto;
  aspect-ratio: 1 / 1;
  max-height: 100%;
  align-self: end;
}

.display-student-name {
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1.15;
  overflow-wrap: anywhere;
  min-height: 1.65em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.display-student-points {
  font-size: 0.73rem;
  font-weight: 800;
  color: #7ad8fb;
}

.display-student-meta {
  font-size: 0.62rem;
  color: var(--muted);
  line-height: 1.1;
}

.display-side .events-feed {
  align-content: start;
  overflow: hidden;
}

#activitySection .events-feed {
  min-height: 0;
  overflow: auto;
  padding-right: 0.18rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

#activitySection .events-feed::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.display-scroll-feed {
  min-height: 0;
  overflow: auto;
  padding-right: 0.18rem;
}

.display-side .event-row {
  padding: 0.42rem 0.48rem;
}

.display-side .event-text {
  font-size: 0.8rem;
}

.display-side .event-time {
  font-size: 0.68rem;
}

.display-side .event-delta {
  font-size: 0.78rem;
}

.leaderboards-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.72rem;
}

.leaderboard-panel {
  min-height: 0;
}

.leaderboard-list {
  min-height: 0;
  display: grid;
  gap: 0.44rem;
  align-content: start;
  overflow: auto;
  padding-right: 0.12rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.leaderboard-list::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}

.leaderboard-mini-row {
  border: 1px solid var(--line);
  border-radius: 0.72rem;
  background: rgba(16, 29, 53, 0.94);
  padding: 0.4rem 0.45rem;
}

.leaderboard-mini-main {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 0.42rem;
}

.leader-rank-chip {
  min-width: 2.1rem;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.16rem 0.28rem;
  color: var(--muted);
}

.view-footer {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 60;
  border-top: 1px solid var(--line);
  background: rgba(8, 16, 30, 0.96);
  backdrop-filter: blur(8px);
  padding: 0.42rem 0.62rem 0.55rem;
}

.view-footer-nav {
  width: min(1460px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 0.36rem;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.view-nav-link {
  border: 1px solid var(--line);
  border-radius: 0.68rem;
  background: rgba(20, 34, 60, 0.94);
  color: var(--text);
  text-decoration: none;
  text-align: center;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 0.42rem 0.34rem;
  transition: transform 150ms ease, border-color 150ms ease, background-color 150ms ease;
}

.view-nav-link:hover {
  transform: translateY(-1px);
  border-color: rgba(85, 207, 251, 0.6);
  background: rgba(85, 207, 251, 0.16);
}

.display-student-card.spotlight {
  border-color: rgba(249, 115, 22, 0.72);
  animation: coinPulse 780ms ease;
}

.display-student-card.celebrate {
  border-color: rgba(85, 207, 251, 0.76);
  animation: confettiPulse 980ms ease;
}

.event-overlay {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.event-overlay.hidden {
  display: none;
}

.event-overlay-panel {
  width: min(80vw, 1320px);
  height: min(80vh, 820px);
  border-radius: 1.15rem;
  border: 1px solid rgba(156, 175, 206, 0.35);
  background:
    radial-gradient(560px 260px at 50% 8%, rgba(85, 207, 251, 0.3), transparent 70%),
    radial-gradient(460px 280px at 50% 92%, rgba(44, 36, 140, 0.28), transparent 70%),
    linear-gradient(165deg, rgba(10, 20, 38, 0.94), rgba(9, 16, 31, 0.96));
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.52);
  display: grid;
  align-content: center;
  justify-items: center;
  gap: 0.9rem;
  padding: 1rem;
  text-align: center;
}

.event-overlay-title {
  font-size: clamp(2.1rem, 5.8vw, 5rem);
  letter-spacing: -0.03em;
}

.event-overlay-participants {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.overlay-participant {
  display: grid;
  justify-items: center;
  gap: 0.36rem;
}

.overlay-participant-avatar .avatar-large {
  width: clamp(4.8rem, 10vw, 7.2rem);
  height: clamp(4.8rem, 10vw, 7.2rem);
  border-width: 3px;
}

.overlay-participant-name {
  font-size: clamp(0.84rem, 1.7vw, 1.2rem);
  font-weight: 700;
  color: #dfeaff;
}

.overlay-participant-arrow {
  font-size: clamp(1.8rem, 4vw, 3.1rem);
  margin: 0;
}

.event-overlay-value {
  font-family: 'Sora', sans-serif;
  font-size: clamp(2.4rem, 8vw, 6rem);
  line-height: 1;
  font-weight: 800;
  color: #82ddfb;
}

.event-overlay-detail {
  max-width: min(72ch, 86%);
  font-size: clamp(1rem, 2.2vw, 1.45rem);
  color: #e4f6ff;
  font-weight: 600;
}

.event-overlay.points .event-overlay-panel {
  border-color: rgba(85, 207, 251, 0.58);
  box-shadow:
    0 0 0 2px rgba(85, 207, 251, 0.26),
    0 28px 80px rgba(0, 0, 0, 0.52);
}

.event-overlay.points .event-overlay-value {
  color: #8ee3ff;
}

.event-overlay.shoutout .event-overlay-panel {
  border-color: rgba(85, 207, 251, 0.6);
  box-shadow:
    0 0 0 2px rgba(85, 207, 251, 0.28),
    0 28px 80px rgba(0, 0, 0, 0.52);
}

.event-overlay.shoutout .event-overlay-value {
  color: #6fd3fb;
  font-size: clamp(1.5rem, 4vw, 3.2rem);
  line-height: 1.2;
  max-width: 88%;
  text-wrap: balance;
}

.event-overlay.active .event-overlay-panel {
  animation: overlayBurst 4200ms ease both;
}

/* Student Profile */

.student-page-body {
  display: grid;
  grid-template-rows: auto auto;
  min-height: 100vh;
  overflow: auto;
}

.student-access-gate {
  width: min(620px, 100%);
}

.student-access-gate .inline-form {
  margin-top: 0.66rem;
}

.student-page-shell {
  width: min(1460px, 100%);
  margin: 0 auto;
  height: auto;
  min-height: calc(100vh - var(--view-footer-height));
  display: grid;
  grid-template-rows: auto auto;
  gap: 0.72rem;
  padding: 0.74rem 0.74rem calc(0.74rem + var(--view-footer-height));
}

.student-profile-layout {
  min-height: 0;
  display: grid;
  grid-template-columns: 300px minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 0.72rem;
  align-items: start;
}

.student-avatar-panel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto;
  gap: 0.66rem;
  align-self: start;
}

.character-stage {
  position: relative;
  height: clamp(360px, 56vh, 780px);
  min-height: 360px;
  border-radius: 0.96rem;
  border: 1px solid var(--line);
  background:
    radial-gradient(300px 200px at 50% 12%, rgba(85, 207, 251, 0.2), transparent 65%),
    radial-gradient(300px 220px at 30% 95%, rgba(44, 36, 140, 0.2), transparent 70%),
    linear-gradient(180deg, rgba(16, 29, 53, 0.96), rgba(12, 24, 45, 0.96));
  overflow: hidden;
  perspective: 900px;
  display: grid;
  place-items: center;
}

.character-stage::after {
  content: '';
  position: absolute;
  inset: auto 10% 7% 10%;
  height: 1.3rem;
  border-radius: 999px;
  background: rgba(4, 8, 16, 0.6);
  filter: blur(8px);
}

.character-stand {
  width: min(88%, 230px);
  aspect-ratio: 3 / 4;
  border-radius: 1rem;
  border: 1px solid rgba(156, 175, 206, 0.24);
  overflow: hidden;
  background: linear-gradient(160deg, rgba(43, 70, 113, 0.6), rgba(16, 26, 45, 0.95));
  transform: rotateY(-12deg) rotateX(4deg);
  box-shadow:
    22px 16px 36px rgba(0, 0, 0, 0.4),
    -10px 0 20px rgba(85, 207, 251, 0.14);
  position: relative;
  z-index: 1;
}

.character-stand-model {
  background: linear-gradient(170deg, rgba(22, 34, 57, 0.96), rgba(9, 15, 27, 0.98));
}

.character-model {
  width: 100%;
  height: 100%;
  min-height: 100%;
  display: block;
  border-radius: 0.96rem;
  overflow: hidden;
  --progress-mask: transparent;
  --poster-color: transparent;
  --min-hotspot-opacity: 0;
  transform: scale(1);
  transform-origin: center center;
  z-index: 1;
}

.character-stage .character-model {
  position: relative;
}

.character-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.character-fallback {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  font-family: 'Sora', sans-serif;
  font-size: 3rem;
  font-weight: 800;
  color: #e4efff;
}

.character-copy {
  display: grid;
  gap: 0.24rem;
}

.character-copy h2 {
  font-size: 1.18rem;
}

.model-controls {
  margin-top: 0.24rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.32rem;
}

.model-controls .secondary-button {
  padding: 0.44rem 0.38rem;
  font-size: 0.75rem;
  line-height: 1.1;
}

.model-control-hint {
  min-height: 1rem;
  font-size: 0.72rem;
}

.student-center-column,
.student-right-column {
  min-height: 0;
  display: grid;
  gap: 0.72rem;
  grid-template-rows: auto 1fr;
}

.student-panel {
  min-height: 0;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 0.56rem;
}

.student-panel h2 {
  font-size: 1rem;
  margin-bottom: 0;
}

.student-metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.44rem;
  align-content: start;
}

.student-metric {
  border: 1px solid var(--line);
  border-radius: 0.72rem;
  padding: 0.5rem 0.56rem;
  background: rgba(16, 29, 53, 0.92);
}

.student-metric .metric-label {
  font-size: 0.66rem;
}

.student-metric .metric-value {
  margin-top: 0.2rem;
  font-size: 0.94rem;
}

.student-skill-grid {
  display: grid;
  gap: 0.42rem;
  align-content: start;
}

.student-skill-row {
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: rgba(16, 29, 53, 0.94);
  padding: 0.44rem 0.54rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.86rem;
  font-weight: 700;
}

.student-badge-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-content: start;
}

.student-badge-pill {
  border: 1px solid rgba(85, 207, 251, 0.5);
  border-radius: 999px;
  background: rgba(85, 207, 251, 0.18);
  color: #e4f6ff;
  padding: 0.24rem 0.52rem;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: capitalize;
}

.student-panel .events-feed {
  min-height: 0;
  align-content: start;
  overflow: auto;
}

.student-panel .event-row {
  padding: 0.42rem 0.5rem;
}

.student-panel .event-text {
  font-size: 0.8rem;
}

.student-panel .event-time {
  font-size: 0.68rem;
}

@keyframes coinPulse {
  0% { transform: scale(1); }
  45% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

@keyframes confettiPulse {
  0% { box-shadow: 0 0 0 0 rgba(85, 207, 251, 0.5); }
  50% { box-shadow: 0 0 0 8px rgba(85, 207, 251, 0); }
  100% { box-shadow: 0 0 0 0 rgba(85, 207, 251, 0); }
}

@keyframes overlayBurst {
  0% {
    opacity: 0;
    transform: scale(0.9);
    filter: blur(2px);
  }
  12% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
  90% {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
  }
  100% {
    opacity: 0;
    transform: scale(1.03);
    filter: blur(1px);
  }
}

@media (min-width: 760px) {
  .mode-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .teacher-shell {
    width: min(1320px, 100%);
    padding-top: 1.1rem;
  }

  .season-form {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: center;
  }

  .leaderboard-row {
    grid-template-columns: 1fr 1fr auto;
  }

  .students-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  }

  .skill-form,
  .store-form,
  .quick-skill-form,
  .quick-adjust-row {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    align-items: center;
  }

  .quick-adjust-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (max-width: 920px) {
  .display-bento {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 1200px) {
  .student-page-body {
    overflow: auto;
    grid-template-rows: auto auto;
  }

  .display-shell {
    height: 100%;
    min-height: 0;
  }

  .student-page-shell {
    height: auto;
    min-height: calc(100vh - var(--view-footer-height));
  }

  .student-profile-layout {
    grid-template-columns: 1fr;
  }

  .character-stage {
    height: clamp(320px, 52vh, 620px);
    min-height: 320px;
  }
}

@media (max-width: 760px) {
  :root {
    --view-footer-height: 74px;
  }

  .view-footer-nav {
    display: flex;
    overflow-x: auto;
    padding-bottom: 0.12rem;
  }

  .view-nav-link {
    min-width: 108px;
  }

  .student-center-column,
  .student-right-column {
    grid-template-rows: auto;
  }

  .student-metric-grid {
    grid-template-columns: 1fr;
  }

  .model-controls {
    grid-template-columns: 1fr;
  }
}