/* === STYLES PERSONNALISÉS POUR L.I.B.R.E.S === */

/* Variables CSS */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --border-radius: 0.5rem;
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* === TYPOGRAPHY === */
.text-primary { color: var(--primary-color) !important; }
.bg-primary { background-color: var(--primary-color) !important; }

/* === ANIMATIONS === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-up {
    animation: slideUp 0.8s ease-out;
}

/* === HEADER ET NAVIGATION === */
.navbar-brand img {
    transition: transform 0.3s ease;
}

.navbar-brand:hover img {
    transform: scale(1.05);
}

.navbar-nav .nav-link {
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 50%;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover::after {
    width: 100%;
    left: 0;
}

/* === CARDS === */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-5px);
}

.card-header {
    border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
    border-bottom: none;
}

/* === BOUTONS === */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #0d6efd, #0a58ca);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0a58ca, #084298);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
}

/* === FORMULAIRES === */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
    transform: scale(1.02);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* === BADGES === */
.badge {
    border-radius: var(--border-radius);
    font-weight: 600;
}

/* === ALERTS === */
.alert {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--box-shadow);
}

.alert-success {
    background: linear-gradient(135deg, #d1e7dd, #badbcc);
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1, #b6ebf5);
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd, #ffecb5);
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da, #f5c2c7);
}

/* === CAROUSEL PERSONNALISÉ === */
.carousel-item img {
    border-radius: var(--border-radius);
    object-fit: cover;
}

.carousel-caption {
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    border-radius: var(--border-radius);
    padding: 2rem;
}

.carousel-control-prev,
.carousel-control-next {
    width: 5%;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    background-size: 60%;
}

/* === FOOTER === */
footer {
    background: linear-gradient(135deg, #343a40, #495057);
}

.footer-section h5 {
    color: #fff;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    display: inline-block;
}

.footer-section a {
    color: #adb5bd;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
    text-decoration: none;
}

/* === BANDEAU COOKIES === */
#cookie-banner {
    backdrop-filter: blur(10px);
    background: rgba(33, 37, 41, 0.95) !important;
}

#cookie-banner .btn {
    border-radius: 2rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .card {
        margin-bottom: 1rem;
    }
    
    .navbar-nav .nav-link::after {
        display: none;
    }
    
    .carousel-caption {
        padding: 1rem;
        font-size: 0.875rem;
    }
    
    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* === ACCESSIBILITÉ === */
.btn:focus,
.form-control:focus,
.form-check-input:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.visually-hidden {
    clip: rect(0, 0, 0, 0) !important;
    clip-path: inset(50%) !important;
    height: 1px !important;
    overflow: hidden !important;
    position: absolute !important;
    white-space: nowrap !important;
    width: 1px !important;
}

/* === DARK MODE SUPPORT === */
@media (prefers-color-scheme: dark) {
    :root {
        --light-color: #343a40;
        --dark-color: #f8f9fa;
    }
}

/* === IMPRESSION === */
@media print {
    .navbar,
    .footer,
    #cookie-banner,
    .btn,
    .alert {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #000 !important;
    }
}

/* === ANIMATIONS SPÉCIALES === */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.bounce-in {
    animation: bounceIn 0.8s ease-out;
}

@keyframes bounceIn {
    0% { opacity: 0; transform: scale(0.3); }
    50% { opacity: 1; transform: scale(1.05); }
    70% { transform: scale(0.9); }
    100% { opacity: 1; transform: scale(1); }
}

/* === UTILITY CLASSES === */
.text-shadow {
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.glass-effect {
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--info-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === HOVER EFFECTS === */
.hover-lift:hover {
    transform: translateY(-3px);
    transition: transform 0.3s ease;
}

.hover-glow:hover {
    box-shadow: 0 0 20px rgba(13, 110, 253, 0.4);
    transition: box-shadow 0.3s ease;
}

/* === LOADING STATES === */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { left: -100%; }
    100% { left: 100%; }
}