:root {
  color-scheme: light;
  --arabic-font: "Scheherazade New", "Noto Naskh Arabic", "Traditional Arabic", serif;
}

body,
.card,
.results,
.mini-stats,
.history-section,
input,
textarea,
select,
button {
  transition: background-color .22s ease, color .22s ease, border-color .22s ease, box-shadow .22s ease;
}

[lang="ar"],
.arabic-input,
.sentence-block p,
.live-transcript,
.word-chip,
.history-transcript,
.reading-select {
  font-family: var(--arabic-font);
  font-feature-settings: "liga" 1, "calt" 1;
}

.theme-toggle {
  flex: 0 0 auto;
}

.theme-toggle:focus-visible,
.student-upload:focus-within,
.template-download:focus-visible,
.consent-dialog button:focus-visible {
  outline: 3px solid rgba(112, 230, 216, .4);
  outline-offset: 2px;
}

.student-list-settings {
  margin: 22px 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--surface) 88%, var(--mint));
}

.student-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 10px 0 8px;
}

.student-upload,
.template-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  text-decoration: none;
  cursor: pointer;
}

.student-upload input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.student-list-summary {
  display: block;
  color: var(--muted);
  line-height: 1.5;
}

.student-select {
  min-width: min(420px, 100%);
  padding: 13px 42px 13px 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: var(--surface);
}

.consent-overlay {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(2, 18, 25, .78);
  backdrop-filter: blur(8px);
}

.consent-dialog {
  width: min(680px, 100%);
  max-height: calc(100vh - 40px);
  overflow: auto;
  padding: clamp(24px, 5vw, 40px);
  border: 1px solid #efb34f;
  border-radius: 24px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 28px 90px rgba(0, 0, 0, .35);
}

.consent-icon {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 18px;
  border-radius: 16px;
  color: #7a4800;
  background: #fff0ca;
}

.consent-dialog h2 {
  margin: 8px 0 12px;
  color: var(--navy);
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.15;
}

.consent-lead {
  color: var(--muted);
  line-height: 1.6;
}

.consent-human-note {
  margin: 18px 0 0;
  padding: 13px 15px;
  border-left: 4px solid #d37a00;
  border-radius: 10px;
  color: #6c4306;
  background: #fff7df;
  line-height: 1.5;
}

.consent-points {
  margin: 20px 0;
  padding-left: 24px;
}

.consent-points li {
  margin: 11px 0;
  line-height: 1.55;
}

.consent-points li::marker {
  color: #d37a00;
}

.consent-actions {
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.consent-agree {
  min-width: 230px;
}

.final-mark-warning {
  display: flex;
  gap: 14px;
  margin: 20px 0;
  padding: 18px;
  border: 2px solid #c73c3c;
  border-radius: 16px;
  color: #711d1d;
  background: #fff3f1;
  box-shadow: 0 8px 24px rgba(172, 41, 41, .1);
}

.final-mark-warning svg {
  flex: 0 0 auto;
}

.final-mark-warning strong {
  display: block;
  margin-bottom: 5px;
  letter-spacing: .02em;
}

.final-mark-warning p {
  margin: 0;
  line-height: 1.55;
}

.scoring-methods {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 15px;
}

.method-card {
  min-height: 76px;
  padding: 13px 14px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: var(--surface);
  position: relative;
}

.method-card::after {
  content: "";
  width: 9px;
  height: 9px;
  border: 2px solid #a8b9bd;
  border-radius: 50%;
  position: absolute;
  top: 14px;
  right: 14px;
}

.method-card strong,
.method-card span {
  display: block;
  padding-right: 20px;
}

.method-card strong {
  color: var(--navy);
  font-size: 12px;
}

.method-card span {
  color: var(--muted);
  margin-top: 6px;
  font-size: 9px;
  line-height: 1.35;
}

.method-card:hover {
  border-color: #7fc9c1;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(8, 42, 58, .09);
}

.method-card.active {
  border-color: var(--teal);
  background: linear-gradient(145deg, #effbf9, #e5f7f4);
  box-shadow: 0 0 0 3px rgba(11, 143, 131, .1);
}

.method-card.active::after {
  border-color: var(--teal);
  background: var(--teal);
  box-shadow: inset 0 0 0 2px #fff;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #e8f3f5;
  --muted: #9fb4ba;
  --line: #29454d;
  --surface: #102a32;
  --background: #07191f;
  --mint: #123c39;
  --danger: #ff8585;
}

:root[data-theme="dark"] body {
  background: radial-gradient(circle at 12% 2%, rgba(21, 183, 166, .12), transparent 26rem), var(--background);
  color: var(--ink);
}

:root[data-theme="dark"] .topbar {
  background: rgba(4, 20, 27, .97);
  border-bottom: 1px solid #24434b;
}

:root[data-theme="dark"] .card,
:root[data-theme="dark"] .results,
:root[data-theme="dark"] .mini-stats,
:root[data-theme="dark"] .history-section {
  background: rgba(16, 42, 50, .96);
  border-color: var(--line);
  box-shadow: 0 18px 55px rgba(0, 0, 0, .25);
}

:root[data-theme="dark"] .hero-copy h1,
:root[data-theme="dark"] .section-heading h2,
:root[data-theme="dark"] .results-header h2,
:root[data-theme="dark"] .student-row h2,
:root[data-theme="dark"] .mini-stats strong,
:root[data-theme="dark"] .rubric-default strong,
:root[data-theme="dark"] .recorder-status strong,
:root[data-theme="dark"] .score-ring strong,
:root[data-theme="dark"] .score-row strong,
:root[data-theme="dark"] .review-title h3,
:root[data-theme="dark"] .feedback-box h3,
:root[data-theme="dark"] .history-toggle,
:root[data-theme="dark"] .history-item strong,
:root[data-theme="dark"] .file-drop,
:root[data-theme="dark"] .source-summary strong,
:root[data-theme="dark"] .method-card strong {
  color: #e9f5f6;
}

:root[data-theme="dark"] .arabic-input,
:root[data-theme="dark"] .student-row input,
:root[data-theme="dark"] .student-select,
:root[data-theme="dark"] .reading-select,
:root[data-theme="dark"] .ai-grid input,
:root[data-theme="dark"] .ai-grid select,
:root[data-theme="dark"] .user-review input,
:root[data-theme="dark"] .user-review textarea,
:root[data-theme="dark"] .rubric-editor input {
  color: #f0f8f9;
  background: #0b2229;
  border-color: var(--line);
}

:root[data-theme="dark"] .file-drop,
:root[data-theme="dark"] .recorder,
:root[data-theme="dark"] .user-review,
:root[data-theme="dark"] .rubric-editor label,
:root[data-theme="dark"] .reading-facts span {
  background: #0b2229;
  border-color: var(--line);
}

:root[data-theme="dark"] .student-list-settings,
:root[data-theme="dark"] .consent-dialog {
  color: var(--ink);
  background: #102a32;
  border-color: var(--line);
}

:root[data-theme="dark"] .consent-dialog h2 {
  color: #eef8f8;
}

:root[data-theme="dark"] .consent-icon {
  color: #ffd477;
  background: #503513;
}

:root[data-theme="dark"] .consent-human-note {
  color: #ffe7ad;
  background: #3b2c16;
  border-left-color: #efb34f;
}

:root[data-theme="dark"] .final-mark-warning {
  color: #ffd4d4;
  background: #401d21;
  border-color: #ff7474;
}

:root[data-theme="dark"] .sentence-block {
  background: linear-gradient(135deg, #0c292e, #0c232b);
  border-color: #285058;
}

:root[data-theme="dark"] .sentence-block p {
  color: #f2f8f5;
}

:root[data-theme="dark"] .sentence-meta {
  border-color: #285058;
}

:root[data-theme="dark"] .display-toggle {
  background: #07191f;
  border-color: var(--line);
}

:root[data-theme="dark"] .display-toggle button.active,
:root[data-theme="dark"] .secondary-button {
  color: #6be0d2;
  background: #17343b;
}

:root[data-theme="dark"] .rubric-default,
:root[data-theme="dark"] .method-note,
:root[data-theme="dark"] .history-list {
  background: #0d252c;
}

:root[data-theme="dark"] .method-card {
  color: var(--ink);
  background: #0b2229;
  border-color: var(--line);
}

:root[data-theme="dark"] .method-card.active {
  border-color: #20b9aa;
  background: linear-gradient(145deg, #123c39, #10322f);
}

:root[data-theme="dark"] .score-ring {
  background: conic-gradient(var(--teal-bright) var(--score), #274149 0);
}

:root[data-theme="dark"] .score-ring::before {
  background: #102a32;
}

:root[data-theme="dark"] .bar {
  background: #29434a;
}

:root[data-theme="dark"] footer {
  background: #04151b;
  border-top: 1px solid #24434b;
}

@media (max-width: 650px) {
  .student-tools > *,
  .consent-actions > * {
    width: 100%;
  }
}

@media print {
  :root[data-theme="dark"] body,
  :root[data-theme="dark"] .results {
    color: #000 !important;
    background: #fff !important;
  }
}