/* ==========================================================================
   ClasseNum 1.1 – design épuré inspiré des interfaces Apple
   Thèmes : data-mode (auto | light | dark | sepia | contrast) + data-accent
   ========================================================================== */

/* ---------- Jetons : apparence claire (défaut) ---------- */
:root, [data-mode="light"] {
  --bg: #f5f5f7; --bg-elev: #ffffff; --surface: #ffffff; --surface-2: #f5f5f7;
  --text: #1d1d1f; --text-2: #6e6e73; --text-3: #86868b;
  --sep: rgba(0,0,0,.08); --sep-strong: rgba(0,0,0,.14);
  --fill: rgba(118,118,128,.12); --fill-2: rgba(118,118,128,.08);
  --field: #ffffff; --field-border: rgba(0,0,0,.14);
  --glass: rgba(255,255,255,.72); --sidebar: rgba(246,246,248,.82);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04);
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 6px 24px rgba(0,0,0,.05);
  --shadow-lg: 0 12px 48px rgba(0,0,0,.14);
  --green: #248a3d; --orange: #c45500; --red: #d70015; --yellow: #a05a00;
  --blue: #0066cc; --gray: #8e8e93;
  --scrim: rgba(0,0,0,.28);
  color-scheme: light;
}
/* ---------- Apparence sombre ---------- */
[data-mode="dark"] {
  --bg: #000000; --bg-elev: #1c1c1e; --surface: #1c1c1e; --surface-2: #2c2c2e;
  --text: #f5f5f7; --text-2: #a1a1a6; --text-3: #8e8e93;
  --sep: rgba(255,255,255,.09); --sep-strong: rgba(255,255,255,.16);
  --fill: rgba(118,118,128,.24); --fill-2: rgba(118,118,128,.16);
  --field: #1c1c1e; --field-border: rgba(255,255,255,.14);
  --glass: rgba(22,22,24,.72); --sidebar: rgba(28,28,30,.78);
  --shadow-sm: none; --shadow: 0 0 0 1px rgba(255,255,255,.06);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.6);
  --green: #30d158; --orange: #ff9f0a; --red: #ff453a; --yellow: #ffd60a;
  --blue: #2997ff; --gray: #98989d; --scrim: rgba(0,0,0,.55);
  color-scheme: dark;
}
@media (prefers-color-scheme: dark) {
  [data-mode="auto"] {
    --bg: #000000; --bg-elev: #1c1c1e; --surface: #1c1c1e; --surface-2: #2c2c2e;
    --text: #f5f5f7; --text-2: #a1a1a6; --text-3: #8e8e93;
    --sep: rgba(255,255,255,.09); --sep-strong: rgba(255,255,255,.16);
    --fill: rgba(118,118,128,.24); --fill-2: rgba(118,118,128,.16);
    --field: #1c1c1e; --field-border: rgba(255,255,255,.14);
    --glass: rgba(22,22,24,.72); --sidebar: rgba(28,28,30,.78);
    --shadow-sm: none; --shadow: 0 0 0 1px rgba(255,255,255,.06);
    --shadow-lg: 0 20px 60px rgba(0,0,0,.6);
    --green: #30d158; --orange: #ff9f0a; --red: #ff453a; --yellow: #ffd60a;
    --blue: #2997ff; --gray: #98989d; --scrim: rgba(0,0,0,.55);
    color-scheme: dark;
  }
}
/* ---------- Papier (sépia) ---------- */
[data-mode="sepia"] {
  --bg: #f3ecdc; --bg-elev: #fbf7ee; --surface: #fbf7ee; --surface-2: #f0e7d3;
  --text: #3a2f22; --text-2: #75654f; --text-3: #8f7f68;
  --sep: rgba(58,47,34,.10); --sep-strong: rgba(58,47,34,.18);
  --fill: rgba(120,95,60,.12); --fill-2: rgba(120,95,60,.07);
  --field: #fffdf7; --field-border: rgba(58,47,34,.18);
  --glass: rgba(251,247,238,.8); --sidebar: rgba(240,231,211,.85);
  --shadow: 0 1px 2px rgba(58,47,34,.05), 0 6px 24px rgba(58,47,34,.06);
  --green: #3f7a2c; --orange: #b25400; --red: #b3261e; --blue: #2b5c9e; --gray: #8f7f68;
  color-scheme: light;
}
/* ---------- Contraste élevé ---------- */
[data-mode="contrast"] {
  --bg: #ffffff; --bg-elev: #ffffff; --surface: #ffffff; --surface-2: #f2f2f2;
  --text: #000000; --text-2: #1f1f1f; --text-3: #333333;
  --sep: #000000; --sep-strong: #000000;
  --fill: rgba(0,0,0,.10); --fill-2: rgba(0,0,0,.06);
  --field: #ffffff; --field-border: #000000;
  --glass: #ffffff; --sidebar: #ffffff;
  --shadow-sm: none; --shadow: 0 0 0 1.5px #000; --shadow-lg: 0 0 0 2px #000;
  --green: #0b5d1e; --orange: #8a3b00; --red: #a1000e; --blue: #00449e; --gray: #333;
  color-scheme: light;
}
[data-mode="contrast"] .card, [data-mode="contrast"] .list { border: 1.5px solid #000; }
[data-mode="contrast"] a { text-decoration: underline; }

/* ---------- Couleurs d'accentuation ---------- */
:root, [data-accent="blue"]  { --accent: #0071e3; }
[data-accent="indigo"]  { --accent: #5856d6; }
[data-accent="purple"]  { --accent: #a845d6; }
[data-accent="pink"]    { --accent: #e3245a; }
[data-accent="orange"]  { --accent: #e07800; }
[data-accent="green"]   { --accent: #1f9e3a; }
[data-accent="teal"]    { --accent: #1597ad; }
[data-accent="graphite"]{ --accent: #6e6e73; }
[data-mode="dark"][data-accent="blue"], [data-mode="dark"]:not([data-accent]) { --accent: #0a84ff; }
[data-mode="dark"][data-accent="indigo"] { --accent: #6e6cf0; }
[data-mode="dark"][data-accent="purple"] { --accent: #bf5af2; }
[data-mode="dark"][data-accent="pink"] { --accent: #ff375f; }
[data-mode="dark"][data-accent="orange"] { --accent: #ff9f0a; }
[data-mode="dark"][data-accent="green"] { --accent: #30d158; }
[data-mode="dark"][data-accent="teal"] { --accent: #40c8e0; }
[data-mode="dark"][data-accent="graphite"] { --accent: #98989d; }
@media (prefers-color-scheme: dark) {
  [data-mode="auto"][data-accent="blue"] { --accent: #0a84ff; }
  [data-mode="auto"][data-accent="indigo"] { --accent: #6e6cf0; }
  [data-mode="auto"][data-accent="purple"] { --accent: #bf5af2; }
  [data-mode="auto"][data-accent="pink"] { --accent: #ff375f; }
  [data-mode="auto"][data-accent="orange"] { --accent: #ff9f0a; }
  [data-mode="auto"][data-accent="green"] { --accent: #30d158; }
  [data-mode="auto"][data-accent="teal"] { --accent: #40c8e0; }
  [data-mode="auto"][data-accent="graphite"] { --accent: #98989d; }
}
[data-mode="contrast"][data-accent] { --accent: #0040b0; }
:root {
  --accent-soft: color-mix(in srgb, var(--accent) 13%, transparent);
  --accent-ring: color-mix(in srgb, var(--accent) 32%, transparent);
  --on-accent: #ffffff;
  --radius-sm: 10px; --radius: 14px; --radius-lg: 20px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Inter", "Segoe UI Variable Text",
          "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.25,.1,.25,1);
  --sidebar-w: 248px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font); font-size: 15px; line-height: 1.47; letter-spacing: -.01em;
  color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  transition: background-color .3s var(--ease), color .3s var(--ease);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
h1, h2, h3 { letter-spacing: -.022em; line-height: 1.15; margin: 0; }
h1 { font-size: clamp(26px, 3.2vw, 34px); font-weight: 700; }
h2 { font-size: 21px; font-weight: 650; margin: 28px 0 12px; }
h3 { font-size: 17px; font-weight: 600; margin: 0 0 10px; }
p { margin: 0 0 10px; }
img { max-width: 100%; height: auto; }
code, .mono { font-family: var(--mono); font-size: .9em; }
.muted { color: var(--text-2); } .faint { color: var(--text-3); }
.small { font-size: 13px; } .xs { font-size: 12px; }
.nowrap { white-space: nowrap; } .right { text-align: right; } .center { text-align: center; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 3px solid var(--accent-ring); outline-offset: 2px; border-radius: 6px; }
.i { width: 18px; height: 18px; flex: none; vertical-align: -3px; }
.i-lg { width: 22px; height: 22px; }
::selection { background: var(--accent-soft); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; } }

/* ---------- Structure : barre latérale + contenu ---------- */
.app { display: grid; grid-template-columns: var(--sidebar-w) minmax(0, 1fr); min-height: 100vh; }
.sidebar {
  position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; gap: 4px;
  padding: 18px 12px 14px; background: var(--sidebar); border-right: 1px solid var(--sep);
  backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  overflow-y: auto; z-index: 60;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 10px 16px; color: var(--text); font-weight: 650; font-size: 17px; letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand-mark { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; color: #fff;
  background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 80%, #fff), var(--accent)); box-shadow: 0 2px 8px var(--accent-ring); }
.brand-mark .i { width: 19px; height: 19px; }
.brand small { display: block; font-weight: 400; font-size: 12px; color: var(--text-2); letter-spacing: 0; }
.nav-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); padding: 14px 10px 6px; }
.nav-item { display: flex; align-items: center; gap: 11px; padding: 8px 10px; border-radius: 9px; color: var(--text); font-size: 14px; font-weight: 500;
  transition: background .15s var(--ease); }
.nav-item .i { color: var(--accent); }
.nav-item:hover { background: var(--fill-2); text-decoration: none; }
.nav-item.active { background: var(--accent); color: var(--on-accent); }
.nav-item.active .i { color: var(--on-accent); }
.nav-item .count { margin-left: auto; font-size: 12px; font-weight: 600; min-width: 20px; padding: 0 6px; height: 20px; border-radius: 10px; display: grid; place-items: center; background: var(--red); color: #fff; }
.sidebar-foot { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--sep); }
.me { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 10px; color: var(--text); }
.me:hover { background: var(--fill-2); text-decoration: none; }
.avatar { width: 32px; height: 32px; border-radius: 50%; flex: none; display: grid; place-items: center; font-size: 13px; font-weight: 600; color: #fff;
  background: linear-gradient(145deg, #a1a1a6, #6e6e73); }
.avatar.lg { width: 44px; height: 44px; font-size: 16px; }
.me-text { min-width: 0; line-height: 1.25; }
.me-text b { display: block; font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.me-text span { font-size: 12px; color: var(--text-2); }

.content { min-width: 0; }
.main { max-width: 1160px; margin: 0 auto; padding: 36px 44px 96px; }
.topbar { display: none; }
.scrim { display: none; }
.tabbar { display: none; }

/* Mobile & tablette : barre supérieure translucide + tiroir */
@media (max-width: 1023px) {
  .app { display: block; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: min(300px, 86vw); height: 100%; transform: translateX(-102%);
    transition: transform .32s var(--ease); background: var(--bg-elev); box-shadow: var(--shadow-lg); }
  .nav-open .sidebar { transform: none; }
  .scrim { display: block; position: fixed; inset: 0; background: var(--scrim); opacity: 0; pointer-events: none; transition: opacity .3s; z-index: 55; }
  .nav-open .scrim { opacity: 1; pointer-events: auto; }
  .topbar { display: flex; align-items: center; gap: 10px; position: sticky; top: 0; z-index: 40; height: 52px; padding: 0 12px;
    padding-top: env(safe-area-inset-top); background: var(--glass); border-bottom: 1px solid var(--sep);
    backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); }
  .topbar .brand { padding: 0; font-size: 16px; }
  .topbar .brand-mark { width: 28px; height: 28px; border-radius: 8px; }
  .topbar .spacer { flex: 1; }
  .main { padding: 22px 16px 96px; }
}
/* Barre d'onglets inférieure (élèves, mobile) */
@media (max-width: 700px) {
  .has-tabbar .main { padding-bottom: 110px; }
  .tabbar { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
    padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); background: var(--glass); border-top: 1px solid var(--sep);
    backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); }
  .tabbar a { display: flex; flex-direction: column; align-items: center; gap: 2px; font-size: 10.5px; font-weight: 500; color: var(--text-3); padding: 4px 0; }
  .tabbar a .i { width: 24px; height: 24px; }
  .tabbar a.active { color: var(--accent); }
  .tabbar a:hover { text-decoration: none; }
  .has-tabbar .savebar { bottom: calc(58px + env(safe-area-inset-bottom)); }
}

/* ---------- En-tête de page ---------- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.page-head .sub { color: var(--text-2); margin: 6px 0 0; font-size: 15px; }
.back { display: inline-flex; align-items: center; gap: 2px; font-size: 14px; margin: 0 0 8px -4px; }
.back .i { width: 17px; height: 17px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.eyebrow { font-size: 13px; font-weight: 600; color: var(--accent); margin-bottom: 4px; }

/* ---------- Cartes, grilles, sections ---------- */
.card { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 22px; margin-bottom: 16px; }
.card.pad-sm { padding: 16px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.card-head h2, .card-head h3 { margin: 0; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.grid-2 { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); align-items: start; }
.stack > * + * { margin-top: 16px; }
.section-title { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-3); margin: 28px 4px 10px; }

/* Tuiles de statistiques */
.stats { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(165px, 1fr)); margin-bottom: 22px; }
.stat { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; color: var(--text); display: flex; flex-direction: column; gap: 10px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease); }
a.stat:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow), 0 10px 30px rgba(0,0,0,.06); }
.stat .n { font-size: 30px; font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.stat .l { font-size: 13px; color: var(--text-2); }
.stat.alert .n { color: var(--orange); }

/* Pastilles d'icône colorées (style icônes d'apps) */
.tile { width: 36px; height: 36px; border-radius: 10px; display: grid; place-items: center; flex: none; color: #fff; background: var(--accent); }
.tile .i { width: 19px; height: 19px; }
.tile.lg { width: 48px; height: 48px; border-radius: 13px; } .tile.lg .i { width: 24px; height: 24px; }
.tile.red { background: linear-gradient(145deg, #ff6b6b, #e5383b); }
.tile.blue { background: linear-gradient(145deg, #4aa3ff, #0071e3); }
.tile.orange { background: linear-gradient(145deg, #ffb340, #ff8a00); }
.tile.green { background: linear-gradient(145deg, #4cd964, #28a745); }
.tile.purple { background: linear-gradient(145deg, #c77dff, #9d4edd); }
.tile.teal { background: linear-gradient(145deg, #5ed2e6, #1597ad); }
.tile.indigo { background: linear-gradient(145deg, #7d7bff, #5856d6); }
.tile.gray { background: linear-gradient(145deg, #aeaeb2, #7c7c80); }
.tile.accent { background: var(--accent); }
.tile.soft { background: var(--accent-soft); color: var(--accent); }

/* ---------- Listes « inset grouped » ---------- */
.list { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden; margin-bottom: 16px; }
.list-row { display: flex; align-items: center; gap: 14px; padding: 13px 18px; color: var(--text); position: relative; min-height: 60px; }
.list-row + .list-row::before { content: ""; position: absolute; top: 0; right: 0; left: 68px; border-top: 1px solid var(--sep); }
.list.flat .list-row + .list-row::before { left: 18px; }
a.list-row:hover { background: var(--fill-2); text-decoration: none; }
.list-row .body { flex: 1; min-width: 0; }
.list-row .title { font-weight: 550; display: block; overflow: hidden; text-overflow: ellipsis; }
.list-row .meta { font-size: 13px; color: var(--text-2); display: block; }
.list-row .trail { display: flex; align-items: center; gap: 8px; flex: none; color: var(--text-3); }
.list-row .chev { color: var(--text-3); width: 16px; height: 16px; }
.list-empty { padding: 34px 20px; text-align: center; color: var(--text-2); }

/* ---------- Boutons ---------- */
.btn { --b: var(--fill); --c: var(--text);
  display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-height: 36px; padding: 7px 16px; border-radius: 980px;
  border: 0; background: var(--b); color: var(--c); font: inherit; font-size: 14px; font-weight: 550; letter-spacing: -.01em; cursor: pointer;
  text-decoration: none !important; white-space: nowrap; transition: filter .15s, transform .1s, background .15s; -webkit-tap-highlight-color: transparent; }
.btn:hover { filter: brightness(.96); }
[data-mode="dark"] .btn:hover { filter: brightness(1.15); }
.btn:active { transform: scale(.97); }
.btn .i { width: 16px; height: 16px; }
.btn-primary { --b: var(--accent); --c: var(--on-accent); }
.btn-success { --b: var(--green); --c: #fff; }
.btn-danger { --b: color-mix(in srgb, var(--red) 12%, transparent); --c: var(--red); }
.btn-danger.solid { --b: var(--red); --c: #fff; }
.btn-tinted { --b: var(--accent-soft); --c: var(--accent); }
.btn-plain { --b: transparent; --c: var(--accent); padding-left: 8px; padding-right: 8px; }
.btn-plain:hover { --b: var(--accent-soft); filter: none; }
.btn-sm { min-height: 30px; padding: 4px 12px; font-size: 13px; }
.btn-lg { min-height: 46px; padding: 10px 24px; font-size: 16px; }
.btn-block { width: 100%; }
.btn-icon { width: 34px; min-height: 34px; padding: 0; }
.btn-icon.btn-sm { width: 30px; min-height: 30px; }
.btn[disabled], .btn.is-loading { opacity: .5; pointer-events: none; }
.btn.is-loading::after { content: ""; width: 14px; height: 14px; border-radius: 50%; border: 2px solid currentColor; border-right-color: transparent; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
form.inline { display: inline; }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 4px; height: 22px; padding: 0 9px; border-radius: 11px; font-size: 12px; font-weight: 600; white-space: nowrap;
  background: var(--fill); color: var(--text-2); vertical-align: middle; }
.badge.accent { background: var(--accent-soft); color: var(--accent); }
.badge.green { background: color-mix(in srgb, var(--green) 14%, transparent); color: var(--green); }
.badge.orange { background: color-mix(in srgb, var(--orange) 15%, transparent); color: var(--orange); }
.badge.red { background: color-mix(in srgb, var(--red) 13%, transparent); color: var(--red); }
.badge.grey { background: var(--fill); color: var(--text-2); }
.badge .i { width: 13px; height: 13px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: currentColor; }

/* ---------- Formulaires ---------- */
label, .label { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); margin: 16px 0 6px; }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=url], input[type=search],
input[type=datetime-local], input[type=date], select, textarea {
  width: 100%; min-height: 42px; padding: 9px 13px; border-radius: var(--radius-sm); border: 1px solid var(--field-border);
  background: var(--field); color: var(--text); font: inherit; font-size: 15px; letter-spacing: -.01em;
  transition: border-color .15s, box-shadow .15s; appearance: none; -webkit-appearance: none; }
select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2386868b' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 34px; }
textarea { min-height: 110px; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-ring); }
input::placeholder, textarea::placeholder { color: var(--text-3); }
input[type=file] { width: 100%; font: inherit; font-size: 14px; color: var(--text-2); }
input[type=file]::file-selector-button { font: inherit; font-weight: 550; font-size: 13px; border: 0; border-radius: 980px; padding: 7px 14px; margin-right: 10px;
  background: var(--accent-soft); color: var(--accent); cursor: pointer; }
input[type=checkbox], input[type=radio] { accent-color: var(--accent); width: 18px; height: 18px; margin: 0; flex: none; }
.hint { font-size: 13px; color: var(--text-3); margin-top: 6px; }
.row { display: grid; gap: 0 16px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
.form-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.check { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; font-weight: 400; color: var(--text); margin: 10px 0; cursor: pointer; }
.check input { margin-top: 2px; }
.input-group { position: relative; }
.input-group input { padding-right: 46px; }
.input-group .reveal { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); }
.search { position: relative; }
.search .i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-3); width: 16px; height: 16px; pointer-events: none; }
.search input { padding-left: 36px; min-height: 36px; border-radius: 980px; background: var(--fill-2); border-color: transparent; font-size: 14px; }
.search input:focus { background: var(--field); }
select.compact { width: auto; min-height: 36px; border-radius: 980px; font-size: 14px; padding-top: 6px; padding-bottom: 6px; }

/* Groupes de réglages (style Réglages iOS) */
.settings { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); margin: 8px 0 18px; overflow: hidden; }
.setting { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 13px 16px; position: relative; }
.setting + .setting::before { content: ""; position: absolute; top: 0; left: 16px; right: 0; border-top: 1px solid var(--sep); }
.setting .txt { min-width: 0; }
.setting .txt b { display: block; font-weight: 500; }
.setting .txt span { display: block; font-size: 13px; color: var(--text-2); }
.card .settings { box-shadow: none; background: var(--surface-2); }
.fieldset-title { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-3); margin: 24px 4px 6px; }

/* Interrupteur iOS */
.switch { appearance: none; -webkit-appearance: none; position: relative; width: 51px !important; height: 31px !important; border-radius: 31px; background: var(--fill);
  cursor: pointer; transition: background .25s var(--ease); flex: none; margin: 0; border: 0; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 27px; height: 27px; border-radius: 50%; background: #fff;
  box-shadow: 0 3px 8px rgba(0,0,0,.15), 0 1px 1px rgba(0,0,0,.16); transition: transform .25s var(--ease); }
.switch:checked { background: var(--green); }
.switch:checked::after { transform: translateX(20px); }
[data-mode="contrast"] .switch { outline: 1.5px solid #000; }

/* Sélection de classes en « chips » */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; margin: 0; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span { display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 14px; border-radius: 17px; font-size: 14px; font-weight: 500;
  background: var(--fill-2); color: var(--text); border: 1px solid var(--sep); cursor: pointer; transition: all .15s; }
.chip input:checked + span { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.chip input:focus-visible + span { box-shadow: 0 0 0 4px var(--accent-ring); }

/* Contrôle segmenté */
.segmented { display: inline-flex; padding: 3px; border-radius: 10px; background: var(--fill); gap: 2px; max-width: 100%; overflow-x: auto; }
.segmented a, .segmented button { border: 0; background: none; font: inherit; font-size: 13.5px; font-weight: 550; color: var(--text); padding: 6px 16px; border-radius: 8px; cursor: pointer; white-space: nowrap; }
.segmented a:hover { text-decoration: none; }
.segmented .on, .segmented [aria-selected="true"] { background: var(--surface); box-shadow: 0 1px 3px rgba(0,0,0,.12), 0 0 0 .5px rgba(0,0,0,.04); }
[data-mode="dark"] .segmented .on, [data-mode="dark"] .segmented [aria-selected="true"] { background: #636366; }
.tab-panel[hidden] { display: none; }

/* ---------- Tableaux ---------- */
.table-tools { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.table-tools .search { flex: 1; min-width: 200px; max-width: 340px; }
table.t { width: 100%; border-collapse: collapse; font-size: 14px; }
table.t th { text-align: left; font-size: 12px; font-weight: 600; color: var(--text-3); padding: 0 12px 10px; border-bottom: 1px solid var(--sep); white-space: nowrap; }
table.t td { padding: 12px; border-bottom: 1px solid var(--sep); vertical-align: middle; }
table.t tr:last-child td { border-bottom: 0; }
table.t tbody tr { transition: background .12s; }
table.t tbody tr:hover td { background: var(--fill-2); }
table.t td.actions-cell { text-align: right; white-space: nowrap; }
table.t td.actions-cell .actions { justify-content: flex-end; flex-wrap: nowrap; }
.cell-main { font-weight: 550; color: var(--text); }
.cell-sub { font-size: 12.5px; color: var(--text-2); }
.table-card { padding: 18px 10px 8px; }
.table-card .table-tools { padding: 0 10px; }
.no-results { display: none; padding: 26px; text-align: center; color: var(--text-2); }
/* Tableaux → cartes sur mobile */
@media (max-width: 760px) {
  table.t.responsive thead { display: none; }
  table.t.responsive, table.t.responsive tbody, table.t.responsive tr, table.t.responsive td { display: block; width: 100%; }
  table.t.responsive tr { padding: 10px 6px; border-bottom: 1px solid var(--sep); }
  table.t.responsive tr:last-child { border-bottom: 0; }
  table.t.responsive td { border: 0; padding: 4px 6px; display: flex; gap: 6px; justify-content: flex-end; align-items: center; flex-wrap: wrap; text-align: right; }
  table.t.responsive td::before { content: attr(data-label); font-size: 12px; font-weight: 600; color: var(--text-3); text-align: left; flex: none; margin-right: auto; }
  table.t.responsive td[data-label=""]::before, table.t.responsive td.primary::before { display: none; }
  table.t.responsive td.primary { justify-content: flex-start; text-align: left; font-size: 15px; }
  table.t.responsive td.actions-cell { justify-content: flex-end; padding-top: 8px; }
  table.t.responsive td.actions-cell .actions { flex-wrap: wrap; }
  table.t.responsive tbody tr:hover td { background: none; }
}

/* ---------- Notifications (toasts) ---------- */
.toasts { position: fixed; top: 16px; right: 16px; z-index: 100; display: flex; flex-direction: column; gap: 10px; width: min(400px, calc(100vw - 32px)); pointer-events: none; }
.toast { pointer-events: auto; display: flex; gap: 12px; align-items: flex-start; padding: 14px 14px 14px 16px; border-radius: 16px; background: var(--glass);
  color: var(--text); box-shadow: var(--shadow-lg); border: 1px solid var(--sep); font-size: 14px;
  backdrop-filter: saturate(180%) blur(24px); -webkit-backdrop-filter: saturate(180%) blur(24px); animation: toast-in .35s var(--ease); }
.toast .i { margin-top: 1px; }
.toast.success .i { color: var(--green); } .toast.danger .i { color: var(--red); } .toast.warning .i { color: var(--orange); } .toast.info .i { color: var(--accent); }
.toast .msg { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.toast .close { border: 0; background: none; color: var(--text-3); cursor: pointer; padding: 2px; border-radius: 6px; }
.toast.hide { animation: toast-out .3s var(--ease) forwards; }
@keyframes toast-in { from { opacity: 0; transform: translateY(-10px) scale(.98); } }
@keyframes toast-out { to { opacity: 0; transform: translateY(-8px); } }
@media (max-width: 1023px) { .toasts { top: 62px; left: 16px; right: 16px; width: auto; } }

/* Bandeaux d'information dans la page */
.note { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: var(--radius); background: var(--accent-soft); color: var(--text); margin-bottom: 16px; font-size: 14px; }
.note .i { color: var(--accent); margin-top: 1px; }
.note.warning { background: color-mix(in srgb, var(--orange) 12%, transparent); } .note.warning .i { color: var(--orange); }
.note.danger { background: color-mix(in srgb, var(--red) 10%, transparent); } .note.danger .i { color: var(--red); }
.note.success { background: color-mix(in srgb, var(--green) 12%, transparent); } .note.success .i { color: var(--green); }

/* ---------- Boîte de dialogue ---------- */
dialog.sheet { border: 0; padding: 0; border-radius: 22px; width: min(420px, calc(100vw - 32px)); background: var(--bg-elev); color: var(--text); box-shadow: var(--shadow-lg); }
dialog.sheet::backdrop { background: var(--scrim); backdrop-filter: blur(3px); }
dialog.sheet[open] { animation: pop .25s var(--ease); }
@keyframes pop { from { opacity: 0; transform: scale(.94); } }
.sheet-body { padding: 26px 24px 10px; text-align: center; }
.sheet-body .tile { margin: 0 auto 14px; }
.sheet-body h3 { margin-bottom: 6px; }
.sheet-body p { color: var(--text-2); font-size: 14px; }
.sheet-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px 20px 20px; }

/* ---------- États vides ---------- */
.empty { text-align: center; padding: 44px 20px; color: var(--text-2); }
.empty .tile { margin: 0 auto 14px; }
.empty h3 { color: var(--text); margin-bottom: 6px; }
.empty p { max-width: 380px; margin: 0 auto 16px; font-size: 14px; }

/* ---------- Ressources ---------- */
.res-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr)); }
.res-card { display: flex; gap: 14px; align-items: flex-start; padding: 16px; background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); color: var(--text);
  transition: transform .2s var(--ease), box-shadow .2s; }
.res-card:hover { text-decoration: none; transform: translateY(-2px); box-shadow: var(--shadow), 0 12px 32px rgba(0,0,0,.07); }
.res-card .title { font-weight: 600; display: block; margin-bottom: 2px; }
.res-card .desc { font-size: 13px; color: var(--text-2); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.video-frame { position: relative; padding-top: 56.25%; border-radius: var(--radius); overflow: hidden; background: #000; }
.video-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
video { width: 100%; border-radius: var(--radius); background: #000; display: block; }
.pdf-frame { width: 100%; height: 75vh; border: 0; border-radius: var(--radius); background: var(--surface-2); }
@media (max-width: 700px) { .pdf-frame { height: 60vh; } }

/* ---------- Questions & évaluations ---------- */
.question { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 22px; margin-bottom: 16px; scroll-margin-top: 80px; }
.q-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.q-num { font-size: 13px; font-weight: 600; color: var(--accent); }
.q-text { font-size: 16.5px; line-height: 1.5; margin-bottom: 8px; overflow-wrap: anywhere; }
.qimg { max-height: 420px; border-radius: 12px; margin: 10px 0; display: block; border: 1px solid var(--sep); }
.q-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; margin: 4px 0 6px; }
.options { display: grid; gap: 8px; margin-top: 12px; }
.option { display: flex; align-items: center; gap: 12px; padding: 13px 16px; border-radius: 12px; background: var(--surface-2); border: 1.5px solid transparent;
  font-size: 15px; font-weight: 400; color: var(--text); margin: 0; cursor: pointer; transition: border-color .15s, background .15s; }
.option:hover { border-color: var(--sep-strong); }
.option:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.option.correct { border-color: var(--green); background: color-mix(in srgb, var(--green) 10%, transparent); }
.option.wrong { border-color: var(--red); background: color-mix(in srgb, var(--red) 8%, transparent); }
.option .mark { margin-left: auto; font-size: 12px; font-weight: 600; }
.option.static { cursor: default; }
.answer-box { background: var(--surface-2); border-radius: 12px; padding: 12px 14px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 15px; }
.correction { border-left: 3px solid var(--green); background: color-mix(in srgb, var(--green) 8%, transparent); padding: 10px 14px; border-radius: 0 10px 10px 0; margin-top: 10px; font-size: 14px; }
.q-nav { display: flex; flex-wrap: wrap; gap: 6px; }
.q-nav a { min-width: 34px; height: 34px; display: grid; place-items: center; border-radius: 10px; background: var(--fill-2); color: var(--text); font-size: 13px; font-weight: 600; padding: 0 8px; }
.q-nav a:hover { text-decoration: none; background: var(--fill); }
.q-nav a.answered { background: var(--accent); color: var(--on-accent); }
.exam-bar { position: sticky; top: 12px; z-index: 30; display: flex; align-items: center; gap: 14px; flex-wrap: wrap; padding: 10px 14px; margin-bottom: 18px;
  border-radius: 16px; background: var(--glass); border: 1px solid var(--sep); box-shadow: var(--shadow);
  backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); }
@media (max-width: 1023px) { .exam-bar { top: 62px; } }
.exam-bar .progress { flex: 1; min-width: 120px; }
.timer { display: inline-flex; align-items: center; gap: 6px; font-weight: 650; font-variant-numeric: tabular-nums; font-size: 14px; }
.timer.low { color: var(--red); }
.progress-track { height: 6px; border-radius: 3px; background: var(--fill); overflow: hidden; }
.progress-fill { height: 100%; width: 0; background: var(--accent); border-radius: 3px; transition: width .3s var(--ease); }
.savebar { position: sticky; bottom: 16px; z-index: 30; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: flex-end; padding: 12px 14px; margin-top: 8px;
  border-radius: 18px; background: var(--glass); border: 1px solid var(--sep); box-shadow: var(--shadow-lg);
  backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); }
.savebar .status { margin-right: auto; font-size: 13px; color: var(--text-2); }
@media (max-width: 560px) { .savebar .btn { flex: 1; } .savebar .status { width: 100%; text-align: center; } }

/* Anneau de score */
.ring { --p: 0; --size: 132px; width: var(--size); height: var(--size); border-radius: 50%; flex: none; display: grid; place-items: center;
  background: conic-gradient(var(--accent) calc(var(--p) * 1%), var(--fill) 0); }
.ring::before { content: ""; grid-area: 1/1; width: calc(var(--size) - 22px); height: calc(var(--size) - 22px); border-radius: 50%; background: var(--surface); }
.ring > div { grid-area: 1/1; z-index: 1; text-align: center; line-height: 1.05; }
.ring b { font-size: 30px; font-weight: 700; letter-spacing: -.03em; display: block; }
.ring span { font-size: 13px; color: var(--text-2); }
.ring.sm { --size: 64px; } .ring.sm::before { width: 52px; height: 52px; } .ring.sm b { font-size: 15px; }
.score-hero { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }

/* Points (correction) */
.points-input { display: inline-flex; align-items: center; gap: 6px; }
.points-input input { width: 84px; text-align: center; min-height: 36px; font-weight: 600; }

/* ---------- Dépôts ---------- */
.dropzone { border: 2px dashed var(--sep-strong); border-radius: var(--radius-lg); padding: 34px 20px; text-align: center; background: var(--surface-2);
  transition: border-color .2s, background .2s; cursor: pointer; }
.dropzone.drag, .dropzone:hover { border-color: var(--accent); background: var(--accent-soft); }
.dropzone .tile { margin: 0 auto 12px; }
.dropzone b { display: block; font-size: 16px; margin-bottom: 4px; }
.file-list { list-style: none; padding: 0; margin: 14px 0 0; text-align: left; display: grid; gap: 6px; }
.file-list li { display: flex; gap: 10px; align-items: center; padding: 8px 12px; border-radius: 10px; background: var(--surface); font-size: 14px; }
.file-list li .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-list li.bad { color: var(--red); }
.upload-progress { display: none; margin-top: 14px; }
.upload-progress.on { display: block; }
.facts { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }

/* ---------- Thèmes : sélecteur ---------- */
.theme-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.theme-opt { position: relative; margin: 0; cursor: pointer; }
.theme-opt input { position: absolute; opacity: 0; }
.theme-prev { display: block; aspect-ratio: 16/10; border-radius: 14px; overflow: hidden; border: 2px solid var(--sep); position: relative; transition: border-color .15s, transform .15s; }
.theme-opt:hover .theme-prev { transform: translateY(-2px); }
.theme-opt input:checked + .theme-prev { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-ring); }
.theme-opt input:focus-visible + .theme-prev { box-shadow: 0 0 0 4px var(--accent-ring); }
.theme-prev i { position: absolute; display: block; border-radius: 4px; }
.theme-prev .side { left: 0; top: 0; bottom: 0; width: 28%; border-radius: 0; }
.theme-prev .bar1 { left: 36%; top: 16%; width: 40%; height: 9%; }
.theme-prev .card1 { left: 36%; top: 34%; right: 8%; height: 24%; border-radius: 6px; }
.theme-prev .card2 { left: 36%; top: 64%; right: 8%; height: 22%; border-radius: 6px; }
.theme-prev .acc { left: 6%; top: 18%; width: 16%; height: 8%; background: var(--accent); }
.pv-light { background: #f5f5f7; } .pv-light .side { background: #ebebed; } .pv-light .bar1 { background: #1d1d1f; } .pv-light .card1, .pv-light .card2 { background: #fff; }
.pv-dark { background: #000; } .pv-dark .side { background: #1c1c1e; } .pv-dark .bar1 { background: #f5f5f7; } .pv-dark .card1, .pv-dark .card2 { background: #2c2c2e; }
.pv-sepia { background: #f3ecdc; } .pv-sepia .side { background: #e8dcc2; } .pv-sepia .bar1 { background: #3a2f22; } .pv-sepia .card1, .pv-sepia .card2 { background: #fbf7ee; }
.pv-contrast { background: #fff; } .pv-contrast .side { background: #fff; border-right: 2px solid #000; } .pv-contrast .bar1 { background: #000; } .pv-contrast .card1, .pv-contrast .card2 { background: #fff; border: 2px solid #000; }
.pv-auto { background: linear-gradient(135deg, #f5f5f7 50%, #000 50%); }
.pv-auto .side { background: linear-gradient(135deg, #ebebed 50%, #1c1c1e 50%); } .pv-auto .bar1 { background: #8e8e93; } .pv-auto .card1, .pv-auto .card2 { background: linear-gradient(135deg, #fff 50%, #2c2c2e 50%); }
.theme-name { display: block; margin-top: 8px; font-size: 14px; font-weight: 600; color: var(--text); }
.theme-desc { display: block; font-size: 12px; color: var(--text-3); font-weight: 400; }
.swatches { display: flex; flex-wrap: wrap; gap: 14px; }
.swatch { position: relative; margin: 0; cursor: pointer; text-align: center; font-size: 12px; font-weight: 500; color: var(--text-2); }
.swatch input { position: absolute; opacity: 0; }
.swatch i { display: block; width: 34px; height: 34px; border-radius: 50%; margin: 0 auto 5px; background: var(--c); box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); transition: transform .15s; }
.swatch:hover i { transform: scale(1.08); }
.swatch input:checked + i { box-shadow: 0 0 0 3px var(--bg-elev), 0 0 0 5px var(--c); }
.swatch input:focus-visible + i { box-shadow: 0 0 0 3px var(--bg-elev), 0 0 0 5px var(--accent-ring); }

/* ---------- Connexion ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; position: relative; overflow: hidden; }
.auth::before { content: ""; position: absolute; inset: -40%; z-index: -1; opacity: .55;
  background: radial-gradient(40% 35% at 30% 30%, var(--accent-soft), transparent 70%), radial-gradient(35% 30% at 75% 70%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 70%); }
.auth-box { width: 100%; max-width: 380px; }
.auth-head { text-align: center; margin-bottom: 26px; }
.auth-head .brand-mark { width: 64px; height: 64px; border-radius: 18px; margin: 0 auto 16px; }
.auth-head .brand-mark .i { width: 34px; height: 34px; }
.auth-head h1 { font-size: 30px; }
.auth-head p { color: var(--text-2); margin-top: 6px; }
.auth .card { padding: 26px; }
.auth-foot { text-align: center; font-size: 12px; color: var(--text-3); margin-top: 18px; }

/* ---------- Divers ---------- */
.pw { font-family: var(--mono); background: var(--fill-2); padding: 2px 8px; border-radius: 6px; font-size: 14px; }
.kbd-list { margin: 0; padding-left: 18px; color: var(--text-2); font-size: 14px; }
.kbd-list li { margin: 4px 0; }
pre.code { background: var(--surface-2); border-radius: 12px; padding: 12px 14px; font-family: var(--mono); font-size: 13px; overflow-x: auto; margin: 10px 0; }
.divider { height: 1px; background: var(--sep); margin: 18px 0; border: 0; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 14px; }
.kv dt { color: var(--text-2); } .kv dd { margin: 0; font-weight: 500; }
.footer { text-align: center; font-size: 12px; color: var(--text-3); padding: 24px 0 0; }
.hide-mobile { } @media (max-width: 700px) { .hide-mobile { display: none !important; } }
.show-mobile { display: none !important; } @media (max-width: 700px) { .show-mobile { display: inherit !important; } }

/* ---------- Impression ---------- */
@media print {
  .sidebar, .topbar, .tabbar, .toasts, .no-print, .savebar, .scrim, .exam-bar { display: none !important; }
  .app { display: block; } .main { padding: 0; max-width: none; }
  body { background: #fff; color: #000; } .card, .list { box-shadow: none; border: 1px solid #ccc; }
}
.choice-row { display: flex; gap: 10px; align-items: center; margin: 8px 0; }
.choice-row input[type=text] { flex: 1; min-width: 0; }
.choice-row .check { margin: 0; font-size: 14px; white-space: nowrap; }
[hidden] { display: none !important; }
.stat > span:not(.tile) { display: block; }
.stat .n { display: block; }
.stat .n .l { display: inline; font-size: 15px; font-weight: 500; letter-spacing: 0; }
.stat > span > .l { display: block; margin-top: 4px; }
[data-mode="contrast"] :is(.nav-item, .btn, .brand, .me, .list-row, .tabbar a, .stat, .res-card, .back, .q-nav a) { text-decoration: none; }