/**
 * Advanced Posts Display Block Styles
 * Frontend styles for the block output
 */

/* Block Container */
.wp-block-bridges-advanced-posts-display {
    margin: 2rem 0;
    font-family: inherit;
}

/* Block Header */
.advanced-posts-header {
    margin-bottom: 2rem;
}

.advanced-posts-title {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 1rem 0;
    color: #1a1a1a;
    line-height: 1.3;
}

.advanced-posts-description {
    font-size: 1.1rem;
    color: #666;
    margin: 0 0 1.5rem 0;
    line-height: 1.6;
}

/* Search and Filter Controls */
.posts-search-interface {
    margin-bottom: 2rem;
}

.search-controls {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

.search-input-wrapper {
    flex: 1;
    min-width: 250px;
    position: relative;
    display: flex;
    gap: 0.5rem;
}

.posts-search-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-submit-btn {
    padding: 0.75rem 1rem;
    background: #007cba;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
    min-width: 48px;
}

.search-submit-btn:hover {
    background: #005a87;
}

.search-submit-btn:focus {
    outline: 2px solid #007cba;
    outline-offset: 2px;
}

.search-submit-btn svg {
    width: 20px;
    height: 20px;
}

.posts-search-input:focus {
    outline: none;
    border-color: #007cba;
    box-shadow: 0 0 0 2px rgba(0, 124, 186, 0.1);
}

.posts-search-input::placeholder {
    color: #999;
}

.sort-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.posts-sort-select,
.posts-order-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.9rem;
    background: white;
    cursor: pointer;
    transition: border-color 0.3s ease;
}

.posts-sort-select:focus,
.posts-order-select:focus {
    outline: none;
    border-color: #007cba;
}

.sort-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #555;
}

/* Active Filters */
.active-filters {
    margin-bottom: 1rem;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    background: #007cba;
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.filter-tag .remove-filter {
    background: none;
    border: none;
    color: white;
    margin-left: 0.5rem;
    cursor: pointer;
    font-size: 1.2rem;
    line-height: 1;
    padding: 0;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.filter-tag .remove-filter:hover {
    opacity: 0.8;
}

/* Posts Grid */
.advanced-posts-grid {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

/* Grid Layout Styles */
.advanced-posts-grid.layout-grid {
    grid-template-columns: repeat(var(--columns-mobile, 1), 1fr);
}

.advanced-posts-grid.layout-list {
    grid-template-columns: 1fr;
    gap: 1rem;
}

/* Responsive grid adjustments using CSS custom properties */
@media (min-width: 768px) {
    .advanced-posts-grid.layout-grid {
        grid-template-columns: repeat(var(--columns-tablet, 2), 1fr);
        gap: 0.875rem;
    }
}

@media (min-width: 1024px) {
    .advanced-posts-grid.layout-grid {
        grid-template-columns: repeat(var(--columns-desktop, 3), 1fr);
        gap: 1rem;
    }
}

/* Post Item */
.advanced-posts-item {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.advanced-posts-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.layout-list .advanced-posts-item {
    flex-direction: row;
    align-items: stretch;
}

/* Post Image */
.advanced-posts-item__image {
    position: relative;
    overflow: hidden;
}

.layout-grid .advanced-posts-item__image {
    aspect-ratio: 3/2;
}

.layout-list .advanced-posts-item__image {
    width: 200px;
    flex-shrink: 0;
}

.advanced-posts-item__thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.advanced-posts-item:hover .advanced-posts-item__thumbnail {
    transform: scale(1.05);
}

/* Post Content */
.advanced-posts-item__content {
    padding: 0.375rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.layout-list .advanced-posts-item__content {
    padding: 0.5rem;
}

/* Post Header */
.advanced-posts-item__header {
    margin-bottom: 0.125rem;
}

.advanced-posts-item__title {
    font-size: 0.8rem;
    font-weight: 600;
    margin: 0 0 0.125rem 0;
    line-height: 1.1;
}

.advanced-posts-item__title a {
    color: #1a1a1a;
    text-decoration: none;
    transition: color 0.3s ease;
}

.advanced-posts-item__title a:hover {
    color: #007cba;
}

.layout-list .advanced-posts-item__title {
    font-size: 1.125rem;
}

/* Post Theme */
.advanced-posts-item__theme {
    margin-bottom: 0.125rem;
    font-size: 0.7rem;
}

.advanced-posts-item__theme-label {
    color: #666;
    font-weight: 500;
}

.advanced-posts-item__theme-value {
    color: #007cba;
    font-weight: 600;
    background: #f0f8ff;
    padding: 0.0625rem 0.25rem;
    border-radius: 2px;
    margin-left: 0.25rem;
}

/* Post Meta */
.advanced-posts-item__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    font-size: 0.7rem;
    color: #666;
    margin-bottom: 0.375rem;
}

.advanced-posts-item__date,
.advanced-posts-item__author {
    display: flex;
    align-items: center;
}

/* Post Excerpt */
.advanced-posts-item__excerpt {
    color: #555;
    line-height: 1.3;
    margin-bottom: 0.375rem;
    flex: 1;
    font-size: 0.75rem;
}

/* Post Footer */
.advanced-posts-item__footer {
    margin-top: auto;
}

.advanced-posts-item__read-more {
    display: inline-flex;
    align-items: center;
    color: #007cba;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.75rem;
    transition: color 0.3s ease;
}

.advanced-posts-item__read-more:hover {
    color: #005a87;
    text-decoration: underline;
}

.advanced-posts-item__read-more::after {
    content: '→';
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

.advanced-posts-item__read-more:hover::after {
    transform: translateX(2px);
}

/* Loading State */
.advanced-posts-loading {
    text-align: center;
    padding: 2rem;
    color: #666;
}

.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #007cba;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* No Posts Message */
.no-posts-message {
    text-align: center;
    padding: 3rem 2rem;
    background: #f8f9fa;
    border-radius: 8px;
    color: #666;
}

.no-posts-message p {
    font-size: 1.1rem;
    margin: 0;
}

/* Pagination */
.posts-pagination {
    margin-top: 2rem;
    text-align: center;
}

.load-more-btn {
    background: #007cba;
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    margin-bottom: 1rem;
}

.load-more-btn:hover {
    background: #005a87;
    transform: translateY(-1px);
}

.load-more-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
}

.pagination-numbers {
    margin-top: 1rem;
}

.pagination-numbers a,
.pagination-numbers span {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    margin: 0 0.25rem;
    text-decoration: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #007cba;
    transition: all 0.3s ease;
}

.pagination-numbers a:hover {
    background: #007cba;
    color: white;
    border-color: #007cba;
}

.pagination-numbers .current {
    background: #007cba;
    color: white;
    border-color: #007cba;
}

/* Results Info */
.posts-results-info {
    margin-top: 1rem;
    text-align: center;
}

.results-count {
    font-size: 0.9rem;
    color: #666;
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .advanced-posts-grid.layout-grid {
        grid-template-columns: repeat(var(--columns-tablet, 2), 1fr);
    }
    
    .advanced-posts-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-input-wrapper {
        min-width: auto;
    }
    
    .sort-controls {
        justify-content: center;
    }
    
    .layout-list .advanced-posts-item {
        flex-direction: column;
    }
    
    .layout-list .advanced-posts-item__image {
        width: 100%;
        aspect-ratio: 16/9;
    }
}

@media (max-width: 768px) {
    .advanced-posts-grid.layout-grid {
        grid-template-columns: repeat(var(--columns-mobile, 1), 1fr);
    }
    
    .advanced-posts-title {
        font-size: 1.75rem;
    }
    
    .advanced-posts-controls {
        padding: 1rem;
    }
    
    .sort-controls {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .advanced-posts-item__content {
        padding: 1rem;
    }
    
    .layout-list .advanced-posts-item__content {
        padding: 1.5rem;
    }
    
    .advanced-posts-item__title {
        font-size: 1.1rem;
    }
    
    .layout-list .advanced-posts-item__title {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .wp-block-bridges-advanced-posts-display {
        margin: 1rem 0;
    }
    
    .search-controls {
        padding: 0.75rem;
        gap: 0.75rem;
    }
    
    .advanced-posts-grid {
        gap: 1rem;
    }
    
    .advanced-posts-item__content {
        padding: 0.75rem;
    }
    
    .load-more-btn {
        padding: 0.5rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Accessibility */
.screen-reader-text {
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    clip: rect(1px, 1px, 1px, 1px);
    white-space: nowrap;
}

/* Focus styles for better accessibility */
.posts-search-input:focus,
.posts-sort-select:focus,
.posts-order-select:focus,
.search-submit-btn:focus,
.load-more-btn:focus,
.advanced-posts-item__title a:focus,
.advanced-posts-item__read-more:focus {
    outline: 2px solid #007cba;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .advanced-posts-item {
        border-width: 2px;
    }
    
    .advanced-posts-item__title a:hover,
    .advanced-posts-item__read-more:hover {
        text-decoration: underline;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .advanced-posts-item,
    .advanced-posts-item__thumbnail,
    .advanced-posts-item__read-more::after,
    .load-more-btn {
        transition: none;
    }
    
    .loading-spinner {
        animation: none;
    }
}