/* ===========================================
   INTERRUPTEUR THÈME JOUR/NUIT - OPTIMISÉ
   =========================================== */

/* Variables spécifiques au thème switcher */
:root {
  --theme-toggle-size: 70px;
  --theme-toggle-height: 35px;
  --theme-slider-size: 28px;
  --theme-toggle-top: 90px;
  --theme-toggle-right: 30px;
}

/* Thème sombre - ajustements pour le switcher */
:root[data-theme="dark"] {
  --theme-toggle-bg: var(--bg-secondary);
  --theme-toggle-border: var(--border-color);
  --theme-slider-bg: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
  --theme-slider-shadow: 0 2px 8px rgba(255, 0, 0, 0.3);
}

/* Thème clair - ajustements pour le switcher */
:root[data-theme="light"] {
  --theme-toggle-bg: var(--bg-primary);
  --theme-toggle-border: var(--border-color);
  --theme-slider-bg: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  --theme-slider-shadow: 0 2px 8px rgba(3, 158, 82, 0.3);
}

.theme-toggle {
  position: fixed;
  top: var(--theme-toggle-top);
  right: var(--theme-toggle-right);
  z-index: var(--z-fixed);
  background: var(--theme-toggle-bg);
  border: 2px solid var(--theme-toggle-border);
  border-radius: var(--radius-full);
  width: var(--theme-toggle-size);
  height: var(--theme-toggle-height);
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  padding: 2px;
}

.theme-toggle:hover {
  box-shadow: var(--shadow-lg);
  transform: scale(1.05);
}

.theme-toggle-slider {
  width: var(--theme-slider-size);
  height: var(--theme-slider-size);
  border-radius: var(--radius-full);
  background: var(--theme-slider-bg);
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light-color);
  font-size: 14px;
  box-shadow: var(--theme-slider-shadow);
}

[data-theme="dark"] .theme-toggle-slider {
  transform: translateX(35px);
}

.theme-toggle-slider::before {
  content: "☀️";
  transition: opacity var(--transition-normal);
}

[data-theme="dark"] .theme-toggle-slider::before {
  content: "🌙";
}

/* Animation de transition fluide pour le changement de thème */
* {
  transition: background-color var(--transition-normal), 
              color var(--transition-normal), 
              border-color var(--transition-normal);
}

/* Indicateur de chargement du thème */
.theme-loading {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.8);
  color: var(--light-color);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  z-index: 9999;
  display: none;
}

.theme-loading.show {
  display: block;
}

/* Animation de particules pour le changement de thème */
.theme-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9998;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.theme-particles.show {
  opacity: 1;
}

.theme-particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--accent-color);
  animation: particleFloat 3s ease-in-out infinite;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* Respect du mouvement réduit pour les animations */
@media (prefers-reduced-motion: reduce) {
  .theme-toggle,
  .theme-toggle-slider,
  .theme-particle {
    transition: none;
    animation: none;
  }
  
  .theme-toggle:hover {
    transform: none;
  }
  
  [data-theme="dark"] .theme-toggle-slider {
    transform: translateX(35px);
  }
}

/* Responsive pour l'interrupteur */
@media (max-width: 768px) {
  :root {
    --theme-toggle-size: 60px;
    --theme-toggle-height: 30px;
    --theme-slider-size: 24px;
    --theme-toggle-top: 80px;
    --theme-toggle-right: 20px;
  }

  [data-theme="dark"] .theme-toggle-slider {
    transform: translateX(30px);
  }
}