/* assets/style.css */
:root {
  --bg: #0f172a;
  --card: #1e293b;
  --card2: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --primary: #6366f1;
  --primary-h: #4f46e5;
  --ok: #22c55e;
  --ko: #ef4444;
  --warn: #f59e0b;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

/* Topbar */
.topbar {
  background: linear-gradient(135deg, #1e293b, #0f172a);
  padding: 24px;
  text-align: center;
  border-bottom: 1px solid #1f2937;
}
.topbar h1 { margin: 0 0 4px; font-size: 1.6rem; }
.subtitle { color: var(--muted); margin: 0; font-size: .9rem; }

main { max-width: 1000px; margin: 0 auto; padding: 24px; }

.view { display: none; }
.view.active { display: block; }

/* Cartes modes */
.cards {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
}
.card {
  background: var(--card);
  border: 1px solid var(--card2);
  border-radius: var(--radius);
  padding: 20px;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: .2s;
}
.card:hover { border-color: var(--primary); transform: translateY(-2px); }
.card-icon { font-size: 2rem; display: block; margin-bottom: 8px; }
.card h3 { margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: .9rem; }

/* Grille sujets */
.grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}
.subject {
  background: var(--card);
  border: 1px solid var(--card2);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: .2s;
  color: var(--text);
  text-align: left;
  font: inherit;
}
.subject:hover { border-color: var(--primary); }
.subject h3 { margin: 0 0 6px; font-size: 1rem; line-height: 1.3; }
.subject .meta { color: var(--muted); font-size: .85rem; }
.subject .badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .75rem;
  margin-bottom: 8px;
}

/* En-tête test */
.test-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  position: sticky;
  top: 0;
  background: var(--bg);
  padding: 12px 0;
  z-index: 5;
  border-bottom: 1px solid var(--card2);
}
.test-header h2 { flex: 1; margin: 0; font-size: 1.1rem; }
.progress { color: var(--muted); font-variant-numeric: tabular-nums; }

/* Question */
.question {
  background: var(--card);
  border: 1px solid var(--card2);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}
.question .q-title {
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.5;
}
.question .q-num { color: var(--primary); margin-right: 4px; }
.question .tag-manuel {
  display: inline-block;
  background: rgba(245, 158, 11, .2);
  color: var(--warn);
  padding: 1px 8px;
  border-radius: 999px;
  font-size: .7rem;
  margin-left: 6px;
  font-weight: 500;
}

.options { display: grid; gap: 8px; }
.option {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 12px;
  border: 1px solid var(--card2);
  border-radius: 8px;
  cursor: pointer;
  transition: .15s;
}
.option:hover { border-color: var(--primary); }
.option input { margin-top: 4px; accent-color: var(--primary); }
.option.selected { border-color: var(--primary); background: rgba(99,102,241,.1); }
.option.correct  { border-color: var(--ok); background: rgba(34,197,94,.12); }
.option.wrong    { border-color: var(--ko); background: rgba(239,68,68,.12); }

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

/* Boutons */
.btn {
  border: 0;
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  transition: .15s;
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-h); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--card2); }
.btn-ghost:hover { color: var(--text); border-color: var(--primary); }
.btn-small { padding: 4px 10px; font-size: .8rem; background: var(--card2); color: var(--text); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* Correction */
.correction {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(99,102,241,.08);
  border: 1px solid rgba(99,102,241,.3);
  font-size: .9rem;
}
.correction .label { color: var(--primary); font-weight: 600; }
.correction .comment { color: var(--muted); margin-top: 6px; font-style: italic; }

.test-footer {
  margin-top: 20px;
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}

/* Résultats */
.score-box {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: center;
  background: var(--card);
  border: 1px solid var(--card2);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.score-box .big { font-size: 2.6rem; font-weight: 700; }
.score-box .ok  { color: var(--ok); }
.score-box .ko  { color: var(--ko); }
.score-box .label { color: var(--muted); font-size: .9rem; }

.result-item {
  border: 1px solid var(--card2);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--card);
}
.result-item.ok  { border-left: 4px solid var(--ok); }
.result-item.ko  { border-left: 4px solid var(--ko); }
.result-item .head {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}
.result-item .tag {
  font-size: .75rem;
  padding: 2px 8px;
  border-radius: 999px;
}
.tag.ok { background: rgba(34,197,94,.2); color: var(--ok); }
.tag.ko { background: rgba(239,68,68,.2); color: var(--ko); }
.answer-info {
  margin-top: 6px;
  color: var(--muted);
  font-size: .9rem;
}

/* Table stats */
.stats-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
}
.stats-table th, .stats-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--card2);
}
.stats-table th {
  background: var(--card2);
  font-size: .85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .5px;
}
.stats-table tr:last-child td { border-bottom: none; }

/* Responsive */
@media (max-width: 600px) {
  .topbar h1 { font-size: 1.2rem; }
  .test-header { flex-wrap: wrap; }
  .score-box { flex-direction: column; text-align: center; }
}