/**
 * SimCrise - Accessibility & User Preferences
 * Index Page Accessibility Rules
 * 
 * Description: Dark mode, reduced motion, high contrast, focus states et préférences utilisateur
 * Usage: Importé tôt pour assurer règles accessibilité disponibles
 * Version: 1.0.0
 */

/* � Screen Reader Only - Classe pour contenu accessible mais visuellement masqué */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* �🌙 NIVEAU 4: SUPPORT DARK MODE & PRÉFÉRENCES AVANCÉES */

/* Détection automatique des préférences utilisateur */
@media (prefers-color-scheme: dark) {
  :root {
    --color-surface-light: 8%;
    --color-surface: hsl(var(--color-surface-hue) var(--color-surface-sat) var(--color-surface-light));
    --text: hsl(0 0% 95%);
    --muted: hsl(0 0% 70%);
    --line: hsl(0 0% 30%);
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --motion-duration-fast: 0ms;
    --motion-duration-normal: 0ms;
    --motion-duration-slow: 0ms;
    --motion-duration-slower: 0ms;
    --transition-fast: none;
    --transition-normal: none;
    --transition-slow: none;
    --transition-bounce: none;
  }
  
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* 📱 NIVEAU 4: CONTAINER QUERIES & ARCHITECTURE MODERNE */

/* Container queries pour composants adaptatifs */
@supports (container-type: inline-size) {
  .responsive-container {
    container-type: inline-size;
  }
  
  @container (min-width: 300px) {
    .card-content {
      display: grid;
      grid-template-columns: auto 1fr;
      gap: var(--space-md);
    }
  }
  
  @container (min-width: 500px) {
    .card-content {
      grid-template-columns: auto 1fr auto;
    }
  }
}

/* CSS Layers pour organisation hiérarchique */
@supports (container-type: inline-size) {
  @layer reset, base, components, utilities, overrides;
}

/* Module overflow handling */
#risque-majeur-section, #normal-mode-config, #access_code_section, 
#premier-secours-section, #premier-secours-equipe-section {
  overflow: visible !important;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --text: #000000;
    --muted: #333333;
    --line: #666666;
  }
  button {
    border: 2px solid currentColor;
  }
}

/* NIVEAU 1 FIX: Améliorations accessibilité et focus */
*:focus-visible {
  outline: 3px solid var(--accent, #0066cc) !important;
  outline-offset: 2px !important;
  border-radius: 4px;
}

/* Accessibility and interaction improvements */
button:focus, input:focus, select:focus, .info-icon:focus {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(31,111,235,0.12);
}

button:active {
  transform: scale(0.98);
}

/* Mobile keyboard avoidance */
@media (max-width: var(--mobile)) {
  input, select, textarea {
    margin-bottom: 24px !important;
  }
}