/* ============================================
   AJOUTS POUR MENU UNIQUE OUVERT
   ============================================ */

/* Animation pour les sous-menus */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
        max-height: 0;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 500px;
    }
}

@keyframes slideUp {
    from {
        opacity: 1;
        transform: translateY(0);
        max-height: 500px;
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
        max-height: 0;
    }
}

/* Styles pour le menu unique ouvert */
.nav-submenu {
    max-height: 0;
    overflow: hidden;
    animation: slideUp 0.3s ease forwards;
    display: none;
}

.nav-submenu.show {
    display: block;
    animation: slideDown 0.3s ease forwards;
}

/* Désactiver la logique Bootstrap par défaut */
.nav-link[data-bs-toggle="collapse"] {
    pointer-events: auto;
}

.nav-link[data-bs-toggle="collapse"].collapsed .nav-arrow {
    transform: rotate(0deg);
}

.nav-link[data-bs-toggle="collapse"]:not(.collapsed) .nav-arrow {
    transform: rotate(90deg);
}

/* ============================================
   AMÉLIORATIONS UX
   ============================================ */

/* Zone de détection de proximité */
.proximity-hover-area {
    position: fixed;
    right: 0;
    top: 50%;
    width: 80px;
    height: 200px;
    transform: translateY(-50%);
    z-index: 1005;
    pointer-events: none;
}

/* État hors ligne */
body.offline .app-header::after {
    content: 'Hors ligne';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #ff6b35;
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    animation: pulse 2s infinite;
}

/* Spinner amélioré */
.spinner-responsive {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
}

.spinner-responsive i {
    font-size: 48px;
    color: var(--office-primary);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVE AMÉLIORÉ
   ============================================ */

@media (max-width: 768px) {
    .app-sidebar {
        transition: transform 0.3s ease;
    }
    
    .app-sidebar.show {
        transform: translateX(0);
        box-shadow: 2px 0 12px rgba(0, 0, 0, 0.15);
    }
    
    .context-toggle {
        width: 48px;
        height: 48px;
        right: 16px;
        bottom: 16px;
    }
}

/* ============================================
   ACCESSIBILITÉ
   ============================================ */

.nav-link:focus {
    outline: 2px solid var(--office-secondary);
    outline-offset: -2px;
}

.context-toggle:focus {
    outline: 3px solid var(--office-secondary);
    outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --office-border: #000000;
        --office-dark: #000000;
    }
    
    .nav-link.active {
        outline: 3px solid #000;
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}