/* ============================================
   QUIZ HUB — page liste des quiz / examens
   ============================================ */

/* Page header */
.page-header {
  background: linear-gradient(180deg, var(--c-bg-warm) 0%, var(--c-bg) 100%);
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--c-line);
}
.page-header h1 {
  font-size: clamp(36px, 4.5vw, 52px);
  margin-bottom: 16px;
  max-width: 760px;
}
.page-header p {
  font-size: 17px;
  color: var(--c-ink-soft);
  max-width: 640px;
  line-height: 1.6;
}
.page-header-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 56px;
  align-items: end;
}
.page-header-side {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.breadcrumb {
  display: flex; gap: 8px; align-items: center;
  font-size: 13px; color: var(--c-mute);
  margin-bottom: 24px;
}
.breadcrumb a:hover { color: var(--c-red); }
.breadcrumb .sep { opacity: 0.5; }

/* Diagnostic card */
.diag-card {
  background: var(--c-blue);
  color: #fff;
  border-radius: var(--r-md);
  padding: 32px;
  position: relative;
  overflow: hidden;
}
.diag-card .tag {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-mint);
  margin-bottom: 12px;
}
.diag-card h3 {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 8px;
}
.diag-card p {
  color: #b3c2c7;
  font-size: 14px;
  line-height: 1.55;
  margin-bottom: 24px;
}
.diag-card .btn { background: var(--c-red); border-color: var(--c-red); color: #fff; }
.diag-card .btn:hover { background: #cf2f3c; }
.diag-meta {
  display: flex; gap: 18px;
  margin-top: 18px;
  font-size: 12.5px; color: #b3c2c7;
}
.diag-meta span { display: flex; align-items: center; gap: 6px; }

/* Modes section */
.modes-section { padding: 64px 0; }
.modes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.mode-card {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 28px;
  display: flex; flex-direction: column;
  position: relative;
}
.mode-card.locked { background: var(--c-cream); }
.mode-card .lock-pill {
  position: absolute; top: 20px; right: 20px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--c-red);
  background: var(--c-red-soft); padding: 4px 10px; border-radius: 99px;
}
.mode-card h3 { font-size: 22px; margin-bottom: 8px; }
.mode-card p {
  font-size: 14px;
  color: var(--c-ink-soft);
  line-height: 1.55;
  margin-bottom: 18px;
  flex: 1;
}
.mode-stats {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px dashed var(--c-line);
  border-bottom: 1px dashed var(--c-line);
  margin-bottom: 20px;
}
.mode-stat-num {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--c-blue);
  line-height: 1;
  margin-bottom: 4px;
}
.mode-stat-label {
  font-size: 11.5px;
  color: var(--c-mute);
  letter-spacing: 0.04em;
}

/* Theme list */
.theme-list-section {
  background: var(--c-paper);
  padding: 64px 0;
  border-top: 1px solid var(--c-line);
}
.theme-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 32px;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--c-line);
}
.theme-row:last-child { border-bottom: 1px solid var(--c-line); }
.theme-row-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-mute);
  width: 40px;
}
.theme-row-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.theme-row-name small {
  display: block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  color: var(--c-ink-soft);
  margin-top: 4px;
  letter-spacing: 0;
}
.theme-row-questions {
  font-size: 13.5px;
  color: var(--c-mute);
  font-variant-numeric: tabular-nums;
}
.theme-row-progress {
  display: flex; align-items: center; gap: 12px;
  min-width: 200px;
}
.theme-row-progress .bar {
  flex: 1;
  height: 6px;
  background: var(--c-line-soft);
  border-radius: 99px;
  overflow: hidden;
}
.theme-row-progress .bar-fill {
  height: 100%;
  background: var(--c-blue);
  border-radius: 99px;
}
.theme-row-progress .pct {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-ink);
  font-variant-numeric: tabular-nums;
  min-width: 40px;
  text-align: right;
}

/* ============================================
   RESPONSIVE — QUIZ HUB
   ============================================ */

/* Tablet — 960px */
@media (max-width: 960px) {
  .page-header { padding: 40px 0 32px; }
  .page-header h1 { font-size: clamp(28px, 5vw, 40px); }
  .page-header p { font-size: 15.5px; }
  .page-header-grid { grid-template-columns: 1fr; gap: 32px; }
  .page-header-side { padding: 22px; }

  .modes-section { padding: 48px 0; }
  .modes-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .mode-card { padding: 22px; }

  .theme-list-section { padding: 48px 0; }
  .theme-row {
    grid-template-columns: auto 1fr auto;
    gap: 16px;
  }
  .theme-row-progress { display: none; }
}

/* Mobile — 640px */
@media (max-width: 640px) {
  .page-header { padding: 28px 0 24px; }
  .page-header h1 { font-size: 24px; margin-bottom: 12px; }
  .page-header p { font-size: 14.5px; }
  .page-header-side { padding: 18px 16px; }

  .diag-card { padding: 22px 18px; }
  .diag-card h3 { font-size: 19px; }
  .diag-card p { font-size: 13.5px; }
  .diag-meta { gap: 12px; flex-wrap: wrap; font-size: 12px; }

  .modes-section { padding: 36px 0; }
  .modes-grid { grid-template-columns: 1fr; }
  .mode-card { padding: 18px 16px; }
  .mode-card h3 { font-size: 18px; }
  .mode-card p { font-size: 13.5px; }
  .mode-stats { grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
  .mode-stat-num { font-size: 18px; }
  .mode-stat-label { font-size: 11px; }

  .theme-list-section { padding: 32px 0; }
  .theme-row {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 16px 0;
  }
  .theme-row-num { display: none; }
  .theme-row-questions { display: none; }
  .theme-row-name { font-size: 17px; }
  .theme-row-name small { font-size: 12.5px; }
}

/* Petit mobile — 380px */
@media (max-width: 380px) {
  .mode-stats { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   EXAM TYPES (sections par type d'examen)
   ============================================ */

.exam-types-section { padding: 64px 0 80px; }

.exam-type-block { margin-bottom: 56px; }
.exam-type-block:last-child { margin-bottom: 0; }

.exam-type-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  padding: 28px 32px;
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md) var(--r-md) 0 0;
  border-bottom: none;
  flex-wrap: wrap;
}
.exam-type-header-left { flex: 1; min-width: 240px; }
.exam-type-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--c-blue);
  background: var(--c-mint-soft);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.exam-type-header h2 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--c-ink);
  margin-bottom: 8px;
}
.exam-type-header p {
  font-size: 14px;
  color: var(--c-ink-soft);
  line-height: 1.55;
  max-width: 560px;
}
.exam-type-meta {
  display: flex;
  gap: 24px;
  flex-shrink: 0;
  align-items: center;
  flex-wrap: wrap;
}
.exam-type-meta-item { text-align: center; }
.exam-type-meta-item .val {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 500;
  color: var(--c-blue);
  line-height: 1;
  letter-spacing: -0.02em;
}
.exam-type-meta-item .lbl {
  font-size: 11.5px;
  color: var(--c-mute);
  margin-top: 4px;
  letter-spacing: 0.03em;
}

.exam-themes {
  border: 1px solid var(--c-line);
  border-radius: 0 0 var(--r-md) var(--r-md);
  overflow: hidden;
  background: var(--c-paper);
}
.exam-theme-row {
  display: grid;
  grid-template-columns: 40px 1fr auto 180px auto;
  gap: 24px;
  align-items: center;
  padding: 20px 32px;
  border-top: 1px solid var(--c-line);
  transition: background 0.15s ease;
}
.exam-theme-row:hover { background: var(--c-bg-warm); }
.exam-theme-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-mute);
  letter-spacing: 0.05em;
}
.exam-theme-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}
.exam-theme-name small {
  display: block;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 400;
  color: var(--c-ink-soft);
  margin-top: 3px;
  letter-spacing: 0;
}
.exam-theme-count {
  font-size: 13px;
  color: var(--c-mute);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.exam-theme-progress {
  display: flex;
  align-items: center;
  gap: 10px;
}
.exam-theme-progress .bar {
  flex: 1;
  height: 5px;
  background: var(--c-line-soft);
  border-radius: 99px;
  overflow: hidden;
}
.exam-theme-progress .bar-fill {
  height: 100%;
  background: var(--c-blue);
  border-radius: 99px;
}
.exam-theme-progress .pct {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--c-ink);
  min-width: 36px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Responsive exam types */
@media (max-width: 960px) {
  .exam-types-section { padding: 48px 0 64px; }
  .exam-type-block { margin-bottom: 40px; }
  .exam-type-header { padding: 24px; gap: 20px; }
  .exam-theme-row { padding: 18px 24px; gap: 16px; }
}

@media (max-width: 640px) {
  .exam-types-section { padding: 32px 0 48px; }
  .exam-type-block { margin-bottom: 28px; }
  .exam-type-header {
    padding: 18px 16px;
    flex-direction: column;
    gap: 16px;
  }
  .exam-type-meta { gap: 14px; }
  .exam-type-meta-item .val { font-size: 20px; }
  .exam-type-meta-item .lbl { font-size: 10.5px; }
  .exam-theme-row {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 8px 14px;
    padding: 14px 16px;
  }
  .exam-theme-num { display: none; }
  .exam-theme-count { display: none; }
  .exam-theme-progress { grid-column: 1 / -1; }
  .exam-theme-name { font-size: 15.5px; }
}

/* ============================================
   LEVELS GRID — page sous-thèmes (cards)
   ============================================ */

.levels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  margin-bottom: 40px;
}
.level-card {
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.level-card:hover {
  border-color: var(--c-blue);
  box-shadow: 0 4px 16px rgba(38,70,83,0.08);
}
.level-card.locked {
  background: var(--c-bg-warm);
  opacity: 0.92;
}
.level-card-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-mute);
  letter-spacing: 0.06em;
}
.level-card-title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.25;
  color: var(--c-ink);
  margin: 0;
}
.level-card-meta {
  font-size: 12.5px;
  color: var(--c-mute);
}
.level-card-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}
.level-card-progress .bar {
  flex: 1;
  height: 6px;
  background: var(--c-line-soft);
  border-radius: 99px;
  overflow: hidden;
}
.level-card-progress .bar-fill {
  height: 100%;
  background: var(--c-blue);
  border-radius: 99px;
}
.level-card-progress .pct {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--c-blue);
  font-variant-numeric: tabular-nums;
}
.level-card-status {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--c-ink-soft);
}
.level-card-status.done { color: #2a9d8f; }
.level-card-status.active { color: var(--c-red); }

.level-card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--c-line-soft);
}
.level-card .lock-pill {
  background: var(--c-line-soft);
  color: var(--c-ink-soft);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 99px;
  letter-spacing: 0.04em;
}
.level-card .lock-pill.premium {
  background: #fff4d6;
  color: #8a5a00;
}

.premium-banner {
  margin-top: 18px;
  padding: 16px 20px;
  background: #fff8e6;
  border: 1px solid #f5d57a;
  border-radius: var(--r-md);
  max-width: 640px;
}
.premium-banner span {
  font-size: 12px;
  font-weight: 700;
  color: #8a5a00;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.premium-banner p {
  margin: 6px 0 12px;
  font-size: 14px;
  color: var(--c-ink-soft);
}

@media (max-width: 640px) {
  .levels-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .level-card { padding: 18px 16px 16px; }
  .level-card-title { font-size: 17px; }
}