/* Responsive Design - Mobile First */

/* Tablets and below (max-width: 992px) */
@media (max-width: 992px) {
    /* Show mobile category button */
    .category-bottom-mobile {
        display: block;
    }

    /* Main content adjustments */
    .main-content {
        margin-top: 80px;
        padding: 15px 0;
    }

    /* Products grid - 2 columns */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    /* Filter navbar */
    .filter-navbar {
        padding: 10px 15px;
        gap: 15px;
    }

    .filter-link {
        font-size: 13px;
        padding: 6px 12px;
    }

    /* Product cards */
    .product-title {
        font-size: 13px;
        height: 36px;
    }

    .current-price {
        font-size: 15px;
    }

    .original-price {
        font-size: 12px;
    }

    .product-info {
        padding: 12px;
    }

    .product-badge {
        font-size: 11px;
        padding: 4px 8px;
    }

    /* Search form adjustments */
    .search-group {
        width: 100%;
    }

    .navbar-collapse {
        background: rgba(255, 255, 255, 0.95);
        padding: 15px;
        border-radius: 8px;
        margin-top: 10px;
    }

    .search-input {
        width: 100%;
    }
}

/* Small tablets (max-width: 768px) */
@media (max-width: 768px) {
    /* Header adjustments */
    .navbar-brand {
        font-size: 1.1rem;
    }

    /* Products grid remains 2 columns but with smaller gaps */
    .products-grid {
        gap: 12px;
    }

    .product-title {
        font-size: 12px;
        height: 34px;
    }

    .current-price {
        font-size: 14px;
    }

    .product-info {
        padding: 10px;
    }

    /* Filter bar */
    .filter-navbar {
        padding: 10px;
        gap: 10px;
    }

    .filter-link {
        font-size: 12px;
        padding: 5px 10px;
    }

    /* Empty state */
    .empty-state {
        padding: 40px 15px;
    }

    .empty-state-icon {
        font-size: 3rem;
    }

    .empty-state h3 {
        font-size: 1.2rem;
    }

    .empty-state p {
        font-size: 13px;
    }

    /* Category popup */
    .category-popup-content {
        width: 95%;
        margin: 10% auto;
        padding: 20px;
    }

    .category-item-mobile {
        padding: 12px;
    }

    .submenu-mobile {
        padding: 20px;
    }
}

/* Mobile phones (max-width: 576px) */
@media (max-width: 576px) {
    /* Header */
    .navbar {
        padding: 0.5rem 0;
    }

    .navbar-brand {
        font-size: 1rem;
    }

    .main-content {
        margin-top: 70px;
        padding: 10px 0;
    }

    /* Container padding */
    .container-lg {
        padding-left: 10px;
        padding-right: 10px;
    }

    /* Products grid */
    .products-grid {
        gap: 10px;
    }

    .product-title {
        font-size: 11px;
        height: 32px;
        -webkit-line-clamp: 2;
    }

    .current-price {
        font-size: 13px;
    }

    .original-price {
        font-size: 11px;
    }

    .product-info {
        padding: 8px;
    }

    .product-badge {
        font-size: 10px;
        padding: 3px 6px;
        top: 5px;
        right: 5px;
    }

    .platform-badge {
        font-size: 10px;
        padding: 3px 10px;
    }

    /* Filter bar */
    .filter-navbar {
        padding: 8px;
        gap: 8px;
    }

    .filter-link {
        font-size: 11px;
        padding: 4px 8px;
    }

    /* Mobile category button */
    .btn-category-mobile {
        padding: 10px 15px;
        font-size: 14px;
        bottom: 15px;
        right: 15px;
    }

    .btn-category-mobile span {
        font-size: 1rem;
    }

    /* Search */
    .search-icon-mobile {
        padding: 3px;
    }

    .search-icon-mobile svg {
        width: 18px !important;
        height: 18px !important;
    }

    .mobile-search-form {
        padding: 8px 0;
    }

    .mobile-search-form input {
        font-size: 14px;
    }

    /* Category popup */
    .category-popup-content {
        margin: 15% auto;
        padding: 18px;
    }

    .close-popup {
        font-size: 24px;
        top: 10px;
        right: 15px;
    }

    .category-item-mobile {
        padding: 10px;
        gap: 10px;
    }

    .category-item-mobile .category-icon {
        font-size: 1rem;
    }

    .category-item-mobile .arrow {
        font-size: 1.2rem;
    }

    .submenu-mobile {
        padding: 18px;
    }

    .btn-back {
        font-size: 14px;
        margin-bottom: 10px;
    }

    .submenu-title {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .submenu-item-mobile {
        padding: 10px 8px;
    }

    .submenu-item-mobile a {
        font-size: 13px;
    }

    /* Empty state */
    .empty-state {
        padding: 30px 10px;
    }

    .empty-state-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }

    .empty-state h3 {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }

    .empty-state p {
        font-size: 12px;
    }
}

/* Very small phones (max-width: 400px) */
@media (max-width: 400px) {
    /* Products grid - might go to 2 columns with very small gaps */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .product-title {
        font-size: 10px;
        height: 28px;
    }

    .current-price {
        font-size: 12px;
    }

    .original-price {
        font-size: 10px;
    }

    .product-info {
        padding: 6px;
    }

    .product-badge {
        font-size: 9px;
        padding: 2px 5px;
    }

    .platform-badge {
        font-size: 9px;
        padding: 2px 8px;
    }

    /* Navbar */
    .navbar-brand {
        font-size: 0.9rem;
    }

    /* Filter bar */
    .filter-link {
        font-size: 10px;
        padding: 4px 6px;
    }

    /* Category button */
    .btn-category-mobile {
        padding: 8px 12px;
        font-size: 12px;
    }
}

/* Landscape mode for phones */
@media (max-height: 600px) and (orientation: landscape) {
    .main-content {
        margin-top: 60px;
    }

    .left-col {
        top: 70px;
    }

    .category-popup-content {
        margin: 2% auto;
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* Large screens - adjust product grid max width */
@media (min-width: 1400px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 25px;
    }
}

/* Print styles */
@media print {
    .header,
    .filter-navbar,
    .category-bottom-mobile,
    .category-popup,
    .left-col {
        display: none;
    }

    .main-content {
        margin-top: 0;
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .product-item {
        break-inside: avoid;
    }
}

/* Dark mode support (if enabled in future) */
@media (prefers-color-scheme: dark) {
    /* This is a placeholder for future dark mode implementation */
    /* Users can override with their browser settings */
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode for accessibility */
@media (prefers-contrast: high) {
    .product-item {
        border: 2px solid #000;
    }

    .filter-link.active {
        border: 2px solid #fff;
    }

    .btn-category-mobile {
        border: 2px solid #fff;
    }
}