/* ===== RESPONSIVE DESIGN ===== */

/* Tablettes */
@media (max-width: 1024px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobiles */
@media (max-width: 768px) {
    /* Sidebar rétractable */
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }
    
    /* Menu burger */
    .mobile-menu-btn {
        display: block;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--gray-700);
    }
    
    /* Grilles */
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    /* Hero */
    .hero-section {
        padding: var(--spacing-lg);
    }
    
    .hero-content h2 {
        font-size: 1.75rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    /* Auth */
    .auth-container {
        padding: var(--spacing-md);
    }
    
    /* Tables */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    table {
        min-width: 600px;
    }
    
    /* Modal */
    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
}

/* Très petits écrans */
@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .instance-actions {
        flex-wrap: wrap;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
    }
}

/* Menu mobile - bouton burger */
.mobile-menu-btn {
    display: none;
}

/* Overlay pour menu mobile */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 40;
}

.mobile-overlay.active {
    display: block;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
}