/* ===== MENUS UNIVERSELLES ===== */
.main-nav, .admin-nav {
    background: rgba(44, 62, 80, 0.98);
    backdrop-filter: blur(15px);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.8rem 0;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid transparent;
    display: inline-block;
}

.nav-link:hover {
    background: rgba(52, 152, 219, 0.2);
    border-color: rgba(52, 152, 219, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 152, 219, 0.3);
}

.logout-btn {
    background: #e74c3c !important;
    border-color: #c0392b !important;
}

.logout-btn:hover {
    background: #c0392b !important;
}

/* Centrage des images */
.page-image-container {
    text-align: center;
    margin: 2rem 0;
}

.page-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
    margin: 0 auto;
    display: block;
}

/* Cacher les boutons flottants */
button[style*="position: fixed"][style*="background: #3498db"] {
    display: none !important;
}