/* =============================
   Menu latéral
   ============================= */
.side-menu {
  grid-area: menu;
  background: linear-gradient(180deg, rgba(30, 30, 30, 0.95) 0%, rgba(35, 35, 35, 0.95) 100%);
  backdrop-filter: blur(10px);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0;
  display: flex;
  flex-direction: column;
  color: white;
  height: 100vh;
  position: sticky;
  top: 0;
  z-index: var(--z-index-above);
  width: 0;
  overflow: hidden;
  transition: var(--transition-normal);
  box-shadow: 4px 0 15px rgba(0, 0, 0, 0.2);
}

.side-menu.expanded {
  width: var(--sidebar-width);
  padding: var(--spacing-lg) 0;
}

/* Bouton menu principal (toujours visible) */
.menu-toggle-visible {
  position: fixed;
  left: 15px;
  top: 15px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-color-dark));
  border: none;
  border-radius: var(--border-radius-full);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  z-index: var(--z-index-overlay);
  box-shadow: var(--shadow-md);
  font-size: 1.2rem;
  transition: var(--transition-fast);
}

.menu-toggle-visible:hover {
  transform: scale(1.1) rotate(180deg);
  box-shadow: 0 0 15px rgba(98, 100, 167, 0.5);
}

.menu-toggle-visible:active {
  transform: scale(0.95);
}

/* Effet pulsation pour attirer l'attention */
@keyframes pulsate {
  0% { box-shadow: 0 0 0 0 rgba(98, 100, 167, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(98, 100, 167, 0); }
  100% { box-shadow: 0 0 0 0 rgba(98, 100, 167, 0); }
}

.menu-toggle-visible.attention {
  animation: pulsate 2s infinite;
}

/* Logo conteneur */
.menu-logo {
  text-align: center;
  margin-bottom: var(--spacing-lg);
  padding: 0 var(--spacing-md);
  opacity: 0;
  transition: var(--transition-normal);
}

.side-menu.expanded .menu-logo {
  opacity: 1;
  transform: translateY(0);
}

.menu-logo img, .menu-logo svg {
  max-width: 80%;
  height: auto;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* Titre du menu */
.menu-title {
  font-size: 1.1rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: white;
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0;
  transition: var(--transition-normal);
  white-space: nowrap;
  padding: 0 var(--spacing-md);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.side-menu.expanded .menu-title {
  opacity: 1;
}

/* Items du menu */
.menu-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 var(--spacing-sm);
  max-height: calc(100vh - 250px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(98, 100, 167, 0.4) transparent;
  margin-bottom: auto;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: 8px 16px;
  margin-bottom: 1px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  color: #e0e0e0;
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.menu-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(3px);
}

.menu-item.active {
  background: linear-gradient(90deg, var(--primary-color-dark), var(--primary-color));
  color: white;
  font-weight: bold;
  box-shadow: var(--shadow-sm);
}

/* Effet de survol avec un gradient qui se déplace */
.menu-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0) 0%, 
    rgba(255, 255, 255, 0.1) 50%, 
    rgba(255, 255, 255, 0) 100%);
  transition: var(--transition-slow);
  pointer-events: none;
}

.menu-item:hover::before {
  left: 100%;
}

.menu-item-icon {
  font-size: 1.2rem;
  width: 24px;
  text-align: center;
  color: var(--primary-color-light);
  transition: var(--transition-fast);
}

.menu-item.active .menu-item-icon {
  color: white;
}

.menu-item-text {
  font-size: 0.95rem;
  opacity: 0;
  transform: translateX(-10px);
  transition: var(--transition-normal);
}

.side-menu.expanded .menu-item-text {
  opacity: 1;
  transform: translateX(0);
}

/* Séparateur */
.menu-separator {
  height: 1px;
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.05) 0%, 
    rgba(255, 255, 255, 0.15) 50%, 
    rgba(255, 255, 255, 0.05) 100%);
  margin: var(--spacing-md) var(--spacing-md);
}

/* Styles pour les groupes de menu */
.menu-group {
  margin-bottom: var(--spacing-sm);
}

.menu-group-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  padding: var(--spacing-xs) var(--spacing-md);
  margin-top: 6px;
  margin-bottom: 1px;
  letter-spacing: 0.5px;
}

/* Zone inférieure du menu */
.menu-bottom {
  margin-top: auto;
  padding: var(--spacing-md);
  width: 100%;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition-normal);
}

.side-menu.expanded .menu-bottom {
  opacity: 1;
  transform: translateY(0);
}

/* Bouton pour afficher/masquer les salles */
.toggle-rooms-button {
  width: 100%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.15));
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-sm);
  color: white;
  padding: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  transition: var(--transition-fast);
  font-size: 0.9rem;
  box-shadow: var(--shadow-sm);
}

.toggle-rooms-button span.button-text {
  opacity: 0;
  transform: translateX(-10px);
  transition: var(--transition-normal);
  white-space: nowrap;
}

.side-menu.expanded .toggle-rooms-button span.button-text {
  opacity: 1;
  transform: translateX(0);
}

.toggle-rooms-button:hover {
  background: linear-gradient(90deg, rgba(98, 100, 167, 0.2), rgba(98, 100, 167, 0.3));
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.toggle-rooms-button:active {
  transform: translateY(0);
}

/* Styles pour les barres de défilement */
.side-menu,
.meetings-list,
.rooms-container,
.menu-items {
  scrollbar-width: thin;
  scrollbar-color: rgba(98, 100, 167, 0.4) transparent;
}

.side-menu::-webkit-scrollbar,
.meetings-list::-webkit-scrollbar,
.rooms-container::-webkit-scrollbar,
.menu-items::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

.side-menu::-webkit-scrollbar-track,
.meetings-list::-webkit-scrollbar-track,
.rooms-container::-webkit-scrollbar-track,
.menu-items::-webkit-scrollbar-track {
  background: transparent;
}

.side-menu::-webkit-scrollbar-thumb,
.meetings-list::-webkit-scrollbar-thumb,
.rooms-container::-webkit-scrollbar-thumb,
.menu-items::-webkit-scrollbar-thumb {
  background-color: rgba(98, 100, 167, 0.4);
  border-radius: 10px;
  transition: background-color 0.3s ease;
}

.side-menu::-webkit-scrollbar-thumb:hover,
.meetings-list::-webkit-scrollbar-thumb:hover,
.rooms-container::-webkit-scrollbar-thumb:hover,
.menu-items::-webkit-scrollbar-thumb:hover {
  background-color: rgba(98, 100, 167, 0.7);
}

/* Animation fluide du défilement */
.side-menu,
.meetings-list,
.rooms-container,
.menu-items {
  scroll-behavior: smooth;
}

/* Adaptations mobiles */
@media (max-width: 768px) {
  .side-menu {
    position: fixed;
    left: -100%;
    width: 250px;
    height: 100%;
    z-index: var(--z-index-modal);
    transition: left 0.3s ease;
  }
  
  .side-menu.expanded {
    left: 0;
    width: 250px;
  }
  
  .side-menu .menu-logo,
  .side-menu .menu-title,
  .side-menu .menu-item-text,
  .side-menu .menu-bottom,
  .side-menu .toggle-rooms-button span.button-text {
    opacity: 1;
    transform: none;
  }
  
  /* Overlay de fond quand le menu est ouvert */
  .menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-index-above);
    backdrop-filter: blur(2px);
  }
  
  .menu-overlay.active {
    display: block;
  }
}

/* Grands écrans */
@media (min-width: 1601px) {
  .menu-item {
    padding: 10px 20px;
  }
  
  .menu-item-icon {
    font-size: 1.4rem;
    width: 30px;
  }
  
  .menu-item-text {
    font-size: 1.1rem;
  }
  
  .menu-title {
    font-size: 1.3rem;
  }
  
  .toggle-rooms-button {
    padding: var(--spacing-md);
    font-size: 1.1rem;
  }
}

/* TV et écrans très larges */
@media (min-width: 2401px) {
  .menu-item {
    padding: 15px 25px;
  }
  
  .menu-item-icon {
    font-size: 1.8rem;
    width: 40px;
  }
  
  .menu-item-text {
    font-size: 1.4rem;
  }
  
  .menu-title {
    font-size: 1.6rem;
  }
  
  .toggle-rooms-button {
    padding: var(--spacing-lg);
    font-size: 1.4rem;
  }
}