/* Mobile Enhancements for Articles */

/* Improved Touch Targets */
@media (max-width: 768px) {
    .article-card-mobile {
        min-height: 44px; /* Apple's recommended minimum touch target */
    }
    
    .article-title-mobile a {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .action-btn {
        min-width: 44px;
        min-height: 44px;
    }
    
    .category-btn {
        min-height: 44px;
        padding: 12px 16px;
    }
    
    .search-input {
        min-height: 44px;
    }
}

/* Better Loading States */
.article-card-mobile.loading {
    opacity: 0.6;
    pointer-events: none;
}

.article-card-mobile.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f4f6;
    border-top: 2px solid #C08B2D;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Improved Accessibility */
@media (prefers-reduced-motion: reduce) {
    .article-card-mobile {
        transition: none;
    }
    
    .article-card-mobile:hover {
        transform: none;
    }
    
    .article-image-mobile img {
        transition: none;
    }
    
    .article-card-mobile:hover .article-image-mobile img {
        transform: none;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .article-card-mobile {
        border: 2px solid #000;
    }
    
    .article-title-mobile a {
        color: #000;
        text-decoration: underline;
    }
    
    .article-excerpt-mobile {
        color: #333;
    }
    
    .category-badge-mobile {
        background: #000;
        color: #fff;
        border: 1px solid #000;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .article-card-mobile {
        background: #1f2937;
        border-color: #374151;
    }
    
    .article-title-mobile a {
        color: #f9fafb;
    }
    
    .article-title-mobile a:hover {
        color: #C08B2D;
    }
    
    .article-excerpt-mobile {
        color: #d1d5db;
    }
    
    .article-meta-mobile {
        color: #9ca3af;
    }
    
    .mobile-filter-bar {
        background: #1f2937;
        border-color: #374151;
    }
    
    .search-input {
        background: #374151;
        border-color: #4b5563;
        color: #f9fafb;
    }
    
    .search-input:focus {
        border-color: #C08B2D;
        background: #374151;
    }
    
    .category-btn {
        background: #374151;
        border-color: #4b5563;
        color: #d1d5db;
    }
    
    .category-btn:hover {
        border-color: #C08B2D;
        color: #C08B2D;
    }
    
    .category-btn.active {
        background: #C08B2D;
        border-color: #C08B2D;
        color: #fff;
    }
    
    .empty-articles-mobile {
        background: #374151;
        color: #d1d5db;
    }
    
    .empty-icon-mobile {
        color: #6b7280;
    }
    
    .empty-title-mobile {
        color: #f9fafb;
    }
    
    .empty-text-mobile {
        color: #9ca3af;
    }
}

/* Improved Performance */
.article-card-mobile {
    will-change: transform;
    contain: layout style paint;
}

.article-image-mobile img {
    will-change: transform;
}

/* Better Error Handling */
.article-image-mobile img:not([src]),
.article-image-mobile img[src=""],
.article-image-mobile img[src*="data:image/svg+xml"] {
    display: none;
}

.article-image-mobile img:not([src]) + .fallback-image,
.article-image-mobile img[src=""] + .fallback-image,
.article-image-mobile img[src*="data:image/svg+xml"] + .fallback-image {
    display: flex;
}

.fallback-image {
    display: none;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #C08B2D 0%, #B22B2B 100%);
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

/* Improved Search Experience */
.search-input:focus {
    transform: scale(1.02);
}

.search-input:focus + .search-suggestions {
    display: block;
}

.search-suggestions {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 1px solid #e2e8f0;
    border-top: none;
    border-radius: 0 0 8px 8px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
}

.search-suggestion-item {
    padding: 12px 16px;
    cursor: pointer;
    border-bottom: 1px solid #f1f5f9;
    transition: background-color 0.2s ease;
}

.search-suggestion-item:hover {
    background-color: #f8fafc;
}

.search-suggestion-item:last-child {
    border-bottom: none;
}

/* Improved Category Filter */
.category-scroll {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.category-scroll::-webkit-scrollbar {
    display: none;
}

.category-btn {
    scroll-snap-align: start;
}

.category-scroll {
    scroll-snap-type: x mandatory;
}

/* Better Loading States */
.skeleton-loading {
    background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Improved Share Functionality */
.share-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    min-width: 200px;
    display: none;
}

.share-menu.show {
    display: block;
}

.share-menu-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.share-menu-item:hover {
    background-color: #f8fafc;
}

.share-menu-item i {
    font-size: 16px;
}

/* Improved Bookmark Functionality */
.bookmark-btn.bookmarked {
    background: #C08B2D;
    color: white;
}

.bookmark-btn.bookmarked i {
    color: white;
}

/* Better Empty States */
.empty-articles-mobile {
    position: relative;
    overflow: hidden;
}

.empty-articles-mobile::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(192, 139, 45, 0.1) 50%, transparent 70%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }
    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

/* Improved Responsive Design */
@media (max-width: 480px) {
    .article-card-mobile {
        margin-bottom: 12px;
    }
    
    .article-content-mobile {
        padding: 12px;
    }
    
    .article-title-mobile {
        font-size: 15px;
        line-height: 1.3;
    }
    
    .article-excerpt-mobile {
        font-size: 13px;
        line-height: 1.4;
    }
    
    .meta-left-mobile {
        gap: 8px;
    }
    
    .meta-item-mobile {
        font-size: 11px;
    }
    
    .category-badge-mobile {
        font-size: 10px;
        padding: 3px 6px;
    }
}

@media (max-width: 360px) {
    .article-image-mobile {
        height: 140px;
    }
    
    .article-content-mobile {
        padding: 10px;
    }
    
    .article-title-mobile {
        font-size: 14px;
    }
    
    .article-excerpt-mobile {
        font-size: 12px;
    }
    
    .meta-left-mobile {
        gap: 6px;
    }
    
    .meta-item-mobile {
        font-size: 10px;
    }
}

/* Improved Performance for Low-end Devices */
@media (max-width: 768px) and (max-device-width: 480px) {
    .article-card-mobile {
        transform: none;
        transition: none;
    }
    
    .article-card-mobile:hover {
        transform: none;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }
    
    .article-image-mobile img {
        transition: none;
    }
    
    .article-card-mobile:hover .article-image-mobile img {
        transform: none;
    }
}

/* Better Print Styles */
@media print {
    .mobile-filter-bar,
    .article-actions,
    .load-more-container,
    .loading-spinner {
        display: none !important;
    }
    
    .article-card-mobile {
        break-inside: avoid;
        page-break-inside: avoid;
        border: 1px solid #000;
        margin-bottom: 20px;
    }
    
    .article-image-mobile {
        height: 120px;
    }
    
    .article-title-mobile a {
        color: #000;
        text-decoration: none;
    }
    
    .article-excerpt-mobile {
        color: #333;
    }
}