/* ============================================
   UX ENHANCEMENTS - ANIMATIONS ET MICRO-INTERACTIONS
   ============================================ */

/* Effet de vague au clic */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.ripple:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    20% {
        transform: scale(25, 25);
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}

/* Effet de levitation pour les cartes */
.content-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Animation du bouton contexte */
.context-toggle {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.context-toggle:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 8px 20px rgba(183, 71, 42, 0.4);
}

/* Loading skeleton */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus styles améliorés */
:focus-visible {
    outline: 3px solid var(--office-secondary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Animation d'entrée */
.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tooltip personnalisé */
[data-tooltip] {
    position: relative;
}

[data-tooltip]:hover::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--office-dark);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
    margin-bottom: 8px;
    animation: fadeIn 0.2s ease;
}

[data-tooltip]:hover::after {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: var(--office-dark);
    margin-bottom: 2px;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================================
   MENU UNIQUE OUVERT - STYLES AMÉLIORÉS
   ============================================ */

/* 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 les sous-menus */
.nav-submenu {
    max-height: 0;
    overflow: hidden;
    display: none;
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

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

.nav-submenu:not(.show) {
    animation: slideUp 0.3s ease forwards;
}

/* Indicateur visuel pour le menu actif */
.nav-link.active {
    background-color: rgba(255, 255, 255, 0.15) !important;
    color: white !important;
    font-weight: 500 !important;
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background-color: white;
    border-radius: 0 2px 2px 0;
}

/* Flèche du menu */
.nav-arrow {
    transition: transform 0.3s ease;
    margin-left: auto;
}

.nav-link[aria-expanded="true"] .nav-arrow {
    transform: rotate(90deg);
}

.nav-link[aria-expanded="false"] .nav-arrow {
    transform: rotate(0deg);
}

/* Hover amélioré */
.nav-link:hover:not(.active) {
    background-color: rgba(255, 255, 255, 0.08) !important;
}

/* Transition fluide pour les sous-menus actifs */
.nav-submenu[data-parent-id].show {
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    margin: 4px 16px 4px 16px;
}

/* Élément actif dans le sous-menu */
.nav-submenu .nav-link.active {
    background-color: rgba(255, 255, 255, 0.2) !important;
    font-weight: 600 !important;
}

/* ============================================
   RESPONSIVE - MENU MOBILE
   ============================================ */

@media (max-width: 768px) {
    .nav-submenu.show {
        animation: slideDown 0.2s ease forwards;
    }
    
    .nav-submenu:not(.show) {
        animation: slideUp 0.2s ease forwards;
    }
    
    /* Masquer les sous-menus par défaut sur mobile */
    .app-sidebar:not(.mobile-open) .nav-submenu {
        display: none !important;
    }
    
    .app-sidebar.mobile-open .nav-submenu.show {
        display: block !important;
    }
}

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

.nav-link:focus {
    outline: 2px solid rgba(255, 255, 255, 0.6);
    outline-offset: -2px;
}

.nav-submenu .nav-link:focus {
    outline-offset: -4px;
}

/* Focus visible pour navigation clavier */
.nav-link:focus-visible {
    outline: 3px solid rgba(255, 255, 255, 0.8);
    outline-offset: 2px;
}

/* Indicateur pour menu ouvert au clavier */
.nav-link[aria-expanded="true"]:focus {
    background-color: rgba(255, 255, 255, 0.2) !important;
}