/* ==========================================================================
   assets/css/serie06.css
   Style dédié pour la Série N°6 d'exercices (Modularité 2 : Les Procédures)
   Informatique 4e Année Scientifique (Bac 2026)
   ========================================================================== */

:root {
  --primary: #0284c7;
  --primary-hover: #0369a1;
  --bg-card: #ffffff;
  --bg-subtle: #f8fafc;
  --border-color: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --radius-sm: 8px;
  --radius-md: 12px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.img-modal-overlay,
.img-modal-close,
.chapters-drawer,
.drawer-toggle-btn {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

[data-theme="dark"] {
  --bg-card: #1e293b;
  --bg-subtle: #0f172a;
  --border-color: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  background-color: #0b1120;
  color: #f8fafc;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #f8fafc;
  color: var(--text-main);
}

[data-theme="dark"] body {
  background-color: #0b1120;
  color: #f8fafc;
}

/* Card d'exercice */
.exercise-section {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease;
}

.exercise-section:hover {
  border-color: #7dd3fc;
}

[data-theme="dark"] .exercise-section:hover {
  border-color: #0284c7;
}

/* ==========================================================================
   Contraste & Lisibilité optimale en Dark Mode
   ========================================================================== */
.text-muted {
  color: var(--text-muted) !important;
}

[data-theme="dark"] .text-muted {
  color: #cbd5e1 !important;
}

[data-theme="dark"] .text-secondary {
  color: #94a3b8 !important;
}

[data-theme="dark"] .figure-caption {
  color: #cbd5e1 !important;
}

[data-theme="dark"] .figure-caption i,
[data-theme="dark"] .figure-caption .text-primary {
  color: #38bdf8 !important;
}

[data-theme="dark"] .text-primary {
  color: #38bdf8 !important;
}

[data-theme="dark"] .exercise-section {
  color: #f8fafc;
}

[data-theme="dark"] .exercise-section p,
[data-theme="dark"] .exercise-section li,
[data-theme="dark"] .exercise-section ul,
[data-theme="dark"] .exercise-section ol {
  color: #f8fafc;
}

[data-theme="dark"] .card.bg-light {
  background-color: #0f172a !important;
  border: 1px solid #334155 !important;
  color: #f8fafc !important;
}

[data-theme="dark"] .card.bg-light .text-dark,
[data-theme="dark"] .card.bg-light ol,
[data-theme="dark"] .card.bg-light li,
[data-theme="dark"] .card.bg-light p {
  color: #f8fafc !important;
}

[data-theme="dark"] .alert-light {
  background-color: #0f172a !important;
  border-color: rgba(245, 158, 11, 0.4) !important;
  color: #f8fafc !important;
}

[data-theme="dark"] .alert-light .text-dark,
[data-theme="dark"] .alert-light li,
[data-theme="dark"] .alert-light p {
  color: #f8fafc !important;
}

[data-theme="dark"] .alert-light .text-muted {
  color: #cbd5e1 !important;
}

[data-theme="dark"] .alert-light .bg-white {
  background-color: #1e293b !important;
  border-color: #334155 !important;
  color: #f8fafc !important;
}

[data-theme="dark"] code:not(pre code) {
  color: #f472b6 !important;
  background-color: rgba(255, 255, 255, 0.08) !important;
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
}

[data-theme="dark"] .katex {
  color: #f8fafc !important;
}

/* Badges de difficulté */
.badge-difficulty-easy {
  background-color: #10b981;
  color: #ffffff;
}

.badge-difficulty-medium {
  background-color: #f59e0b;
  color: #ffffff;
}

.badge-difficulty-hard {
  background-color: #ef4444;
  color: #ffffff;
}

/* Solution & Help Accordion */
.solution-details {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: 0.75rem;
  padding: 0.75rem 1.25rem;
  transition: all 0.2s ease;
}

.solution-details[open] {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.solution-summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--primary);
  user-select: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.solution-summary:hover {
  color: var(--primary-hover);
}

/* QCM Interactive Exercises */
.qcm-exercise {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
  transition: border-color 0.2s;
}

.qcm-exercise:hover {
  border-color: #cbd5e1;
}

.qcm-exercise .question-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary);
}

.qcm-exercise .list-group-item {
  background: transparent;
  border-color: var(--border-color);
  color: inherit;
  padding: 0.6rem 1rem;
}

[data-theme="dark"] .qcm-exercise .list-group-item {
  border-color: #334155;
}

/* Code block formatting */
pre code {
  font-size: 0.9rem;
  border-radius: 0.5rem;
}

/* Table TDOL */
.table-tdol {
  font-size: 0.9rem;
}

.table-tdol th {
  background-color: #1e293b;
  color: #f8fafc;
}