/* Responsive Design - Mobile First */

/* Tablettes */
@media (max-width: 1024px) {
    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
    }
    
    .sidebar {
        transform: translateX(-100%);
    }
    
    .items-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }
    
    .welcome-content {
        padding: var(--spacing-xl);
    }
    
    .section-header-content {
        flex-direction: column;
        text-align: center;
    }
}

/* Smartphones */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
        --spacing-lg: 16px;
        --spacing-xl: 24px;
    }
    
    .header-content {
        padding: 0 var(--spacing-md);
        flex-wrap: wrap;
    }
    
    .logo h1 {
        display: none;
    }
    
    .search-container {
        order: 3;
        flex: 1 1 100%;
        margin: var(--spacing-sm) 0 0 0;
        max-width: none;
    }
    
    .main-content {
        padding: var(--spacing-sm);
    }
    
    .items-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .item-card {
        padding: var(--spacing-md);
    }
    
    .welcome-content {
        padding: var(--spacing-lg);
    }
    
    .welcome-actions {
        flex-direction: column;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .quick-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .modal {
        padding: var(--spacing-sm);
        align-items: flex-start;
        padding-top: var(--spacing-lg);
    }
    
    .modal-content {
        max-height: 85vh;
        width: 100%;
    }
    
    .modal-header {
        padding: var(--spacing-md);
    }
    
    .modal-body {
        padding: var(--spacing-md);
        max-height: calc(85vh - 60px);
    }
    
    .item-detail-header {
        flex-direction: column;
        text-align: center;
    }
    
    .section-header {
        padding: var(--spacing-lg);
    }
    
    .section-icon-large {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
    
    .sidebar {
        width: 100%;
        z-index: 1500;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
}

/* Très petits écrans */
@media (max-width: 480px) {
    .header {
        height: 60px;
    }
    
    :root {
        --header-height: 60px;
    }
    
    .logo i {
        font-size: var(--font-size-lg);
    }
    
    .welcome-icon {
        font-size: 3rem;
    }
    
    .item-detail-header {
        gap: var(--spacing-sm);
    }
    
    .item-icon-large {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }
    
    .example-card {
        padding: var(--spacing-md);
    }
    
    .detail-section {
        margin-bottom: var(--spacing-lg);
    }
}

/* Mode paysage mobile */
@media (max-height: 500px) and (orientation: landscape) {
    .welcome-content {
        padding: var(--spacing-md);
    }
    
    .welcome-icon {
        font-size: 2rem;
        margin-bottom: var(--spacing-md);
    }
    
    .quick-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
    
    .modal-content {
        max-height: 95vh;
    }
}

/* Animation d'apparition */
@media (prefers-reduced-motion: no-preference) {
    .item-card {
        animation: fadeInUp 0.5s ease-out;
    }
    
    .item-card:nth-child(2) { animation-delay: 0.1s; }
    .item-card:nth-child(3) { animation-delay: 0.2s; }
    .item-card:nth-child(4) { animation-delay: 0.3s; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Mode haut contraste */
@media (prefers-contrast: high) {
    :root {
        --primary: #6A4CFF;
        --border: #000000;
        --text: #000000;
        --shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
    }
}