:root {
  color-scheme: light;
  --bg: #fff0ee;
  --surface: #ffffff;
  --surface-soft: #fff7f4;
  --ink: #151c2e;
  --muted: #6f6571;
  --line: #f0d2cb;
  --line-strong: #dfafa5;
  --accent: #ef5b4d;
  --accent-strong: #cc4338;
  --accent-soft: #ffe2dd;
  --navy: #151c2e;
  --yellow: #f4c95d;
  --purple: #6e5aa6;
  --coral: #ef5b4d;
  --success: #1f7a63;
  --success-soft: #e7f5f0;
  --warning: #9a6a00;
  --warning-soft: #fff3cc;
  --danger: #b42318;
  --danger-soft: #fff0ec;
  --radius: 8px;
  --radius-sm: 8px;
  --shadow: 0 20px 48px rgba(91, 38, 52, 0.14);
  --shadow-soft: 0 8px 18px rgba(91, 38, 52, 0.08);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, #fff7f4 0, #fff7f4 320px, var(--bg) 321px),
    var(--bg);
  color: var(--ink);
  font-family: "Avenir Next", Avenir, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

button,
input,
select {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

.app-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 60px;
}

.loading-screen {
  display: grid;
  place-items: center;
  min-height: 70vh;
  color: var(--muted);
  font-weight: 800;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 0;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0;
}

.brand::before {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

h1,
h2,
h3,
h4,
h5 {
  margin: 0;
  color: var(--ink);
  font-weight: 900;
  letter-spacing: 0;
}

h1,
.page-title {
  font-size: clamp(2.3rem, 5vw, 4.6rem);
  line-height: 0.98;
}

h2,
.section-title {
  font-size: 1.36rem;
  line-height: 1.2;
}

h3 {
  font-size: 1.04rem;
}

.auth-layout {
  display: grid;
  min-height: 84vh;
  place-items: center;
  padding: 12px 0;
}

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(330px, 0.72fr);
  gap: 34px;
  width: min(1040px, 100%);
  align-items: center;
}

.auth-copy {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(260px, 0.78fr);
  gap: 26px;
  align-items: center;
  min-height: 480px;
}

.auth-copy h1 {
  max-width: 10ch;
  margin-top: 18px;
  color: var(--navy);
  font-size: clamp(3rem, 6.4vw, 5.9rem);
  line-height: 0.94;
}

.hero-copy {
  max-width: 29rem;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 1.12rem;
  font-weight: 650;
}

.character-stage {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  min-height: 360px;
  align-content: center;
}

.character-stage::before {
  position: absolute;
  inset: 28px 10px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(47, 143, 131, 0.16), rgba(125, 106, 168, 0.1)),
    #edf6f5;
  content: "";
}

.persona-card {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 154px;
  border: 1px solid rgba(221, 231, 234, 0.96);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.persona-card:nth-child(2),
.persona-card:nth-child(3) {
  transform: translateY(28px);
}

.persona-card i {
  display: block;
  width: 52px;
  height: 52px;
  border-radius: 50% 50% 44% 44%;
  background: currentColor;
}

.persona-card b {
  display: block;
  width: 84px;
  height: 58px;
  margin-top: -8px;
  border-radius: 24px 24px 8px 8px;
  background: color-mix(in srgb, currentColor 30%, #ffffff);
}

.persona-teal {
  color: var(--accent);
}

.persona-yellow {
  color: var(--yellow);
}

.persona-purple {
  color: var(--purple);
}

.persona-coral {
  color: var(--coral);
}

.auth-card,
.admin-card,
.challenge-card,
.quiz-tile,
.progress-item,
.user-row,
.activity-item,
.challenge-row,
.user-activity {
  border: 1px solid rgba(221, 231, 234, 0.96);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
}

.auth-card,
.admin-card {
  display: grid;
  gap: 16px;
  padding: 26px;
}

.auth-card {
  box-shadow: var(--shadow);
}

.form-heading {
  display: grid;
  gap: 6px;
  margin-bottom: 4px;
}

.form-heading p,
.setup-card p {
  margin: 0;
  color: var(--muted);
  font-weight: 650;
}

label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 850;
}

input,
select {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fbfdfe;
  color: var(--ink);
  outline: none;
  padding: 0 13px;
  transition: border-color 150ms ease, box-shadow 150ms ease, background 150ms ease;
}

input:hover,
select:hover {
  border-color: var(--line-strong);
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(47, 143, 131, 0.14);
}

.primary-action,
.ghost-action,
.mini-action,
.tab-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 900;
  text-decoration: none;
  transition:
    background 150ms ease,
    border-color 150ms ease,
    color 150ms ease,
    box-shadow 150ms ease,
    transform 150ms ease;
}

.primary-action {
  min-height: 48px;
  border: 0;
  background: var(--accent);
  color: #fff;
  box-shadow: 0 12px 22px rgba(47, 143, 131, 0.22);
  padding: 0 18px;
}

.primary-action:hover,
.primary-action:focus-visible {
  background: var(--accent-strong);
  box-shadow: 0 14px 28px rgba(47, 143, 131, 0.26);
  outline: none;
  transform: translateY(-1px);
}

.ghost-action,
.mini-action {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 0 14px;
}

.ghost-action:hover,
.ghost-action:focus-visible,
.mini-action:hover,
.mini-action:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
  outline: none;
}

.primary-action:active,
.ghost-action:active,
.mini-action:active,
.tab-action:active,
.quiz-tile:active {
  transform: translateY(1px);
}

.form-message {
  min-height: 1.4em;
  margin: 0;
  color: var(--success);
  font-size: 0.88rem;
  font-weight: 850;
}

.form-message.is-error {
  color: var(--danger);
}

code {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85em;
  padding: 1px 5px;
}

.dashboard {
  display: grid;
  gap: 24px;
}

.topbar {
  position: sticky;
  top: 10px;
  z-index: 4;
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(221, 231, 234, 0.96);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  padding: 10px 12px;
}

.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.student-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 132px auto;
  gap: 20px;
  align-items: center;
  border: 1px solid rgba(221, 231, 234, 0.96);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 26px;
}

.student-kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 900;
}

.page-title {
  max-width: 760px;
  color: var(--navy);
  font-size: clamp(2.1rem, 5vw, 4.25rem);
}

.profile-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 124px;
  height: 124px;
  border-radius: 50%;
  background: var(--accent-soft);
}

.profile-mark span {
  position: absolute;
  display: block;
  border-radius: 50%;
}

.profile-mark span:nth-child(1) {
  width: 48px;
  height: 48px;
  top: 20px;
  background: var(--accent);
}

.profile-mark span:nth-child(2) {
  width: 78px;
  height: 42px;
  bottom: 24px;
  border-radius: 24px 24px 12px 12px;
  background: color-mix(in srgb, var(--accent) 34%, #ffffff);
}

.profile-mark span:nth-child(3) {
  width: 128px;
  height: 128px;
  border: 2px solid rgba(47, 143, 131, 0.18);
}

.dashboard-tabs {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(102px, 1fr));
  gap: 6px;
  width: fit-content;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  padding: 5px;
}

.tab-action {
  min-height: 40px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0 12px;
}

.tab-action.active-tab {
  background: var(--navy);
  color: #fff;
  box-shadow: 0 8px 16px rgba(36, 49, 58, 0.16);
}

.section-title {
  margin: 0 0 14px;
}

.quiz-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.quiz-tile {
  position: relative;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  grid-template-rows: 1fr auto;
  gap: 12px 14px;
  align-items: center;
  min-height: 150px;
  overflow: hidden;
  text-decoration: none;
  padding: 18px;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.quiz-tile::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 7px;
  background: var(--tile-color, var(--accent));
  content: "";
}

.quiz-tile > * {
  position: relative;
  z-index: 1;
}

.quiz-tile:hover,
.quiz-tile:focus-visible {
  border-color: rgba(47, 143, 131, 0.4);
  box-shadow: var(--shadow);
  outline: none;
  transform: translateY(-2px);
}

.quiz-icon {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border: 1px solid rgba(221, 231, 234, 0.96);
  border-radius: 50%;
  background: var(--surface-soft);
  font-size: 1.7rem;
}

.quiz-name {
  align-self: center;
  min-width: 0;
  color: var(--navy);
  font-size: 1.12rem;
  font-weight: 950;
  line-height: 1.16;
}

.stories-tile {
  --tile-color: #d4b37d;
}

.stories-thumbnail {
  object-fit: cover;
}

.stories-tile .quiz-name {
  line-height: 1.5;
}

.start-pill {
  grid-column: 2;
  justify-self: start;
  border: 1px solid rgba(47, 143, 131, 0.18);
  border-radius: var(--radius);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.84rem;
  font-weight: 900;
  padding: 5px 10px;
}

.empty-state,
.progress-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.empty-state {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  padding: 14px;
}

.progress-list,
.admin-users-list,
.activity-list,
.challenge-list {
  display: grid;
  gap: 10px;
}

.progress-item,
.user-row,
.activity-item,
.challenge-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
}

.challenge-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 14px;
  margin-bottom: 14px;
}

.challenge-card {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.challenge-form {
  display: grid;
  gap: 12px;
}

.section-heading-row,
.challenge-session-header {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
}

.challenge-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.challenge-players {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.challenge-player {
  display: grid;
  gap: 4px;
  min-height: 82px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  padding: 12px;
}

.challenge-player.is-current-turn {
  border-color: rgba(47, 143, 131, 0.42);
  background: var(--accent-soft);
  box-shadow: inset 4px 0 0 var(--accent);
}

.challenge-player.is-empty {
  border-style: dashed;
  color: var(--muted);
}

.challenge-status-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  padding: 12px;
}

.challenge-turn-message {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 950;
}

.progress-score {
  display: grid;
  place-items: center;
  min-width: 66px;
  min-height: 42px;
  border: 1px solid rgba(31, 122, 99, 0.22);
  border-radius: var(--radius-sm);
  background: var(--success-soft);
  color: var(--success);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
  gap: 16px;
  align-items: start;
}

.activity-card {
  align-self: start;
}

fieldset {
  display: grid;
  gap: 8px;
  margin: 0;
  border: 0;
  padding: 0;
}

legend {
  margin-bottom: 6px;
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 900;
  padding: 0;
}

.checkbox-row {
  display: flex;
  gap: 10px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  font-weight: 750;
  padding: 9px 10px;
}

.checkbox-row:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.checkbox-row span {
  flex: 1;
}

.checkbox-row input {
  width: 17px;
  min-height: 17px;
  accent-color: var(--accent);
}

.user-row {
  align-items: start;
}

.user-row > div:first-child {
  min-width: 0;
}

.assignment-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.password-reset {
  display: grid;
  gap: 6px;
  max-width: 340px;
  margin-top: 10px;
}

.password-reset span {
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 900;
}

.password-reset input {
  min-height: 38px;
}

.compact-message {
  min-height: 1.2em;
  margin-top: 6px;
  font-size: 0.82rem;
}

.mini-action {
  min-height: 36px;
  font-size: 0.84rem;
  padding: 0 11px;
}

.danger-action {
  border-color: rgba(180, 35, 24, 0.24);
  background: var(--danger-soft);
  color: var(--danger);
}

.danger-action:hover,
.danger-action:focus-visible {
  border-color: rgba(180, 35, 24, 0.42);
  background: #ffe5df;
  color: var(--danger);
}

.activity-item {
  align-items: start;
}

.user-activity {
  overflow: hidden;
}

.user-activity summary {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  align-items: baseline;
  cursor: pointer;
  list-style: none;
  padding: 13px 16px;
}

.user-activity summary::-webkit-details-marker {
  display: none;
}

.user-activity summary strong {
  font-weight: 900;
}

.user-activity summary .progress-meta {
  margin-left: auto;
}

.user-activity summary::after {
  color: var(--muted);
  content: ">";
  transition: transform 140ms ease;
}

.user-activity[open] > summary {
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.user-activity[open] > summary::after {
  transform: rotate(90deg);
}

.user-activity-items {
  padding: 12px;
}

.activity-summary,
.activity-details {
  grid-column: 1 / -1;
  margin: 0;
}

.activity-summary {
  color: var(--muted);
  font-size: 0.88rem;
}

.adaptive-panel {
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  padding: 14px;
  margin-top: 6px;
}

.adaptive-panel h4 {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.adaptive-panel h5 {
  margin: 12px 0 4px;
  font-size: 0.85rem;
  font-weight: 900;
}

.adaptive-tab-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.mini-action.active-tab {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.adaptive-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 8px;
}

.adaptive-stat {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  padding: 8px 10px;
}

.stat-label {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.stat-value {
  font-size: 1.05rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.adaptive-override {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 10px 0 6px;
  font-size: 0.88rem;
}

.adaptive-override input {
  min-height: 34px;
}

.adaptive-history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  margin-top: 4px;
}

.adaptive-history-table th,
.adaptive-history-table td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 6px 8px;
}

.adaptive-history-table thead th {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.activity-details summary {
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 800;
}

.activity-details pre {
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #172033;
  color: #f8fafc;
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: pre-wrap;
  padding: 10px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 1020px) {
  .auth-panel,
  .auth-copy,
  .student-hero,
  .admin-grid,
  .challenge-layout {
    grid-template-columns: 1fr;
  }

  .profile-mark {
    display: none;
  }

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

@media (max-width: 680px) {
  body {
    background: #fff;
  }

  .app-shell {
    width: min(100% - 22px, 1120px);
    padding: 12px 0 32px;
  }

  .auth-layout {
    min-height: 78vh;
    place-items: stretch;
  }

  .auth-panel,
  .auth-copy {
    gap: 18px;
  }

  .auth-copy {
    min-height: 0;
  }

  .auth-copy h1 {
    max-width: 9ch;
    font-size: 3rem;
  }

  .hero-copy {
    margin-top: 16px;
    font-size: 1rem;
  }

  .character-stage {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    min-height: 96px;
    gap: 8px;
  }

  .character-stage::before {
    inset: 18px 0;
  }

  .persona-card {
    min-height: 92px;
  }

  .persona-card:nth-child(2),
  .persona-card:nth-child(3) {
    transform: none;
  }

  .persona-card i {
    width: 30px;
    height: 30px;
  }

  .persona-card b {
    width: 48px;
    height: 32px;
  }

  .auth-card,
  .admin-card,
  .challenge-card {
    padding: 18px;
  }

  .topbar {
    position: static;
  }

  .student-hero {
    padding: 20px;
  }

  h1,
  .page-title {
    font-size: 2.25rem;
  }

  .dashboard-tabs {
    width: 100%;
  }

  .section-heading-row,
  .challenge-session-header,
  .challenge-status-panel {
    flex-direction: column;
    align-items: stretch;
  }

  .topbar-actions,
  .challenge-actions {
    justify-content: stretch;
  }

  .challenge-actions > *,
  .challenge-status-panel > .primary-action {
    flex: 1;
  }

  .topbar-actions > * {
    flex: 0 1 auto;
  }

  .quiz-grid,
  .challenge-players,
  .adaptive-stats {
    grid-template-columns: 1fr;
  }

  .quiz-tile {
    min-height: 118px;
  }

  .progress-item,
  .user-row,
  .activity-item,
  .challenge-row {
    grid-template-columns: 1fr;
  }

  .user-activity summary .progress-meta {
    margin-left: 0;
  }
}

@media (max-width: 420px) {
  .app-shell {
    width: min(100% - 18px, 1120px);
  }

  .auth-copy h1,
  h1,
  .page-title {
    font-size: 2rem;
  }

  .quiz-tile {
    grid-template-columns: 54px minmax(0, 1fr);
    padding: 15px;
  }

  .quiz-icon {
    width: 54px;
    height: 54px;
  }
}

/* TriviaWhizz-inspired option */
.auth-panel {
  grid-template-columns: minmax(0, 1.06fr) minmax(330px, 0.62fr);
  gap: 28px;
  width: min(1080px, 100%);
}

.auth-copy {
  position: relative;
  grid-template-columns: minmax(0, 0.92fr) minmax(270px, 0.78fr);
  min-height: 520px;
  border: 2px solid rgba(21, 28, 46, 0.08);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255, 240, 238, 0.96), rgba(255, 230, 218, 0.96)),
    var(--bg);
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 34px;
}

.auth-copy::before {
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(239, 91, 77, 0.12);
  content: "";
}

.auth-copy::after {
  position: absolute;
  left: 34px;
  bottom: 28px;
  width: 132px;
  height: 10px;
  border-radius: 999px;
  background: var(--yellow);
  content: "";
}

.auth-copy h1 {
  max-width: 9ch;
  color: var(--navy);
  font-size: clamp(3.4rem, 7vw, 6.8rem);
  letter-spacing: -0.01em;
}

.hero-copy {
  max-width: 31rem;
  color: #5f5461;
  font-size: 1.16rem;
}

.brand {
  color: var(--accent);
  font-size: 0.95rem;
}

.brand::before {
  width: 12px;
  height: 12px;
  background: var(--yellow);
  box-shadow: 16px 0 0 var(--accent), 32px 0 0 var(--navy);
}

.trivia-board {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  align-content: center;
  min-height: 390px;
}

.trivia-card {
  display: grid;
  align-content: space-between;
  min-height: 162px;
  border: 2px solid rgba(21, 28, 46, 0.08);
  border-radius: 18px;
  box-shadow: 0 14px 26px rgba(91, 38, 52, 0.12);
  padding: 18px;
  transform: rotate(-2deg);
}

.trivia-card:nth-child(2),
.trivia-card:nth-child(3) {
  transform: translateY(28px) rotate(2deg);
}

.trivia-card b {
  color: inherit;
  font-size: 1.4rem;
  font-weight: 950;
  line-height: 1;
}

.trivia-card i {
  color: inherit;
  font-style: normal;
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
}

.card-main {
  background: var(--accent);
  color: #fff;
}

.card-dark {
  background: var(--navy);
  color: #fff;
}

.card-yellow {
  background: var(--yellow);
  color: var(--navy);
}

.card-light {
  background: #fff;
  color: var(--accent);
}

.auth-card {
  border: 2px solid rgba(21, 28, 46, 0.08);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}

.form-heading h2 {
  color: var(--navy);
  font-size: 1.6rem;
}

.primary-action {
  background: var(--accent);
  box-shadow: 0 12px 22px rgba(239, 91, 77, 0.24);
}

.primary-action:hover,
.primary-action:focus-visible {
  background: var(--accent-strong);
  box-shadow: 0 14px 28px rgba(239, 91, 77, 0.28);
}

input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(239, 91, 77, 0.16);
}

.topbar {
  border: 2px solid rgba(21, 28, 46, 0.08);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.92);
}

.student-hero {
  position: relative;
  grid-template-columns: minmax(0, 1fr) 150px auto;
  border: 0;
  border-radius: 22px;
  background: var(--navy);
  box-shadow: var(--shadow);
  overflow: hidden;
  padding: 34px;
}

.student-hero::before {
  position: absolute;
  right: 170px;
  top: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(239, 91, 77, 0.22);
  content: "";
}

.student-kicker,
.page-title {
  position: relative;
  z-index: 1;
}

.student-kicker {
  color: var(--yellow);
  text-transform: uppercase;
}

.page-title {
  color: #fff;
}

.profile-mark {
  z-index: 1;
  background: rgba(255, 255, 255, 0.1);
}

.profile-mark span:nth-child(1) {
  background: var(--yellow);
}

.profile-mark span:nth-child(2) {
  background: var(--accent);
}

.profile-mark span:nth-child(3) {
  border-color: rgba(255, 255, 255, 0.28);
}

.dashboard-tabs {
  position: relative;
  z-index: 1;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.12);
}

.tab-action {
  color: rgba(255, 255, 255, 0.72);
}

.tab-action.active-tab {
  background: #fff;
  color: var(--navy);
}

.section-title {
  color: var(--navy);
  font-size: 1.48rem;
}

.quiz-grid {
  gap: 18px;
}

.quiz-tile {
  min-height: 168px;
  border: 2px solid rgba(21, 28, 46, 0.07);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 10px 20px rgba(91, 38, 52, 0.08);
  padding: 20px;
}

.quiz-tile::before {
  inset: auto 18px 18px auto;
  width: 54px;
  height: 8px;
  border-radius: 999px;
  background: var(--tile-color, var(--accent));
}

.quiz-tile::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 240, 238, 0.46), transparent 54%);
  content: "";
}

.quiz-tile:hover,
.quiz-tile:focus-visible {
  border-color: rgba(239, 91, 77, 0.34);
}

.quiz-icon {
  border: 0;
  border-radius: 18px;
  background: var(--surface-soft);
  color: var(--navy);
}

.quiz-name {
  color: var(--navy);
}

.start-pill {
  border: 0;
  background: var(--navy);
  color: #fff;
}

.challenge-card,
.admin-card,
.progress-item,
.user-row,
.activity-item,
.challenge-row,
.user-activity {
  border: 2px solid rgba(21, 28, 46, 0.07);
  border-radius: 18px;
}

.challenge-player.is-current-turn {
  border-color: rgba(239, 91, 77, 0.42);
  background: var(--accent-soft);
  box-shadow: inset 4px 0 0 var(--accent);
}

@media (max-width: 1020px) {
  .auth-panel,
  .auth-copy,
  .student-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  body {
    background: var(--bg);
  }

  .auth-copy {
    min-height: 0;
    padding: 24px;
  }

  .auth-copy h1 {
    max-width: 9ch;
    font-size: 3rem;
  }

  .trivia-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    min-height: 250px;
  }

  .trivia-card {
    min-height: 108px;
    padding: 14px;
  }

  .trivia-card:nth-child(2),
  .trivia-card:nth-child(3) {
    transform: none;
  }

  .trivia-card b {
    font-size: 1.05rem;
  }

  .student-hero {
    padding: 24px;
  }

  .student-hero::before {
    right: -84px;
    top: -70px;
  }

  .tab-action {
    color: rgba(255, 255, 255, 0.72);
  }

  .tab-action.active-tab {
    color: var(--navy);
  }

  .quiz-tile {
    min-height: 136px;
    border-radius: 18px;
  }
}

@media (max-width: 420px) {
  .auth-copy h1,
  h1,
  .page-title {
    font-size: 2.32rem;
  }

  .trivia-board {
    gap: 10px;
  }
}

.quran-tile { --tile-color: #dce9dd; }
.quran-tile .quiz-name { line-height: 1.5; }
.quran-tile .quran-thumbnail { color: #285342; padding: 4px; }