/**
 * Posts Gadget Styles for AI Story Maker
 *
 * @package AI_Story_Maker
 * @since 2.0.1
 */

/* Main Container */
.aistma-posts-gadget {
    max-width: 100%;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

/* Controls Section */
.aistma-posts-controls {
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Search Box */
.aistma-search-box {
    position: relative;
    max-width: 400px;
}

.aistma-posts-search {
    width: 100%;
    padding: 12px 45px 12px 16px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background: #fff;
}

.aistma-posts-search:focus {
    outline: none;
    border-color: #007cba;
    box-shadow: 0 0 0 3px rgba(0, 124, 186, 0.1);
}

.aistma-search-btn {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: #666;
    transition: color 0.3s ease;
}

.aistma-search-btn:hover {
    color: #007cba;
}

.aistma-search-btn .dashicons {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

/* Filter Buttons */
.aistma-posts-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.aistma-filter-btn {
    padding: 8px 16px;
    background: #f8f9fa;
    border: 1px solid #e1e5e9;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #495057;
}

.aistma-filter-btn:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

.aistma-filter-btn.active {
    background: #007cba;
    border-color: #007cba;
    color: #fff;
}

/* Posts Container */
.aistma-posts-container {
    position: relative;
}

.aistma-posts-grid {
    display: grid;
    gap: 1.5rem;
}

/* Grid Layout */
.layout-grid .aistma-posts-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* List Layout */
.layout-list .aistma-posts-grid {
    grid-template-columns: 1fr;
}

.layout-list .aistma-post-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.layout-list .aistma-post-image {
    flex: 0 0 200px;
    max-width: 200px;
}

.layout-list .aistma-post-content {
    flex: 1;
}

/* Post Item */
.aistma-post-item {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

.aistma-post-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* New Post Badge */
.aistma-post-new {
    border-left: 4px solid #28a745;
}

.aistma-new-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #28a745;
    color: #fff;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

/* Post Image */
.aistma-post-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.aistma-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.aistma-post-image:hover img {
    transform: scale(1.05);
}

.aistma-post-image a {
    display: block;
    width: 100%;
    height: 100%;
}

/* Post Content */
.aistma-post-content {
    padding: 1.5rem;
}

.aistma-post-title {
    margin: 0 0 0.75rem 0;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.4;
}

.aistma-post-title a {
    color: #212529;
    text-decoration: none;
    transition: color 0.3s ease;
}

.aistma-post-title a:hover {
    color: #007cba;
}

.aistma-post-excerpt {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.aistma-post-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.aistma-read-more {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: #007cba;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

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

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

.aistma-load-more-btn {
    padding: 12px 24px;
    background: #007cba;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 160px;
}

.aistma-load-more-btn:hover:not(:disabled) {
    background: #005a87;
    transform: translateY(-1px);
}

.aistma-load-more-btn:disabled {
    background: #6c757d;
    cursor: not-allowed;
    transform: none;
}

/* Loading States */
.aistma-posts-loading {
    text-align: center;
    padding: 2rem;
    color: #6c757d;
}

.aistma-spinner {
    display: inline-block;
    width: 32px;
    height: 32px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #007cba;
    border-radius: 50%;
    animation: aistma-spin 1s linear infinite;
    margin-right: 12px;
    vertical-align: middle;
}

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

.aistma-posts-error,
.aistma-posts-empty {
    text-align: center;
    padding: 2rem;
    color: #6c757d;
    background: #f8f9fa;
    border-radius: 8px;
    margin-top: 1rem;
}

.aistma-posts-error {
    color: #dc3545;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
}

.aistma-no-posts {
    text-align: center;
    padding: 3rem 1rem;
    color: #6c757d;
    background: #f8f9fa;
    border-radius: 8px;
    grid-column: 1 / -1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .aistma-posts-controls {
        gap: 0.75rem;
    }
    
    .aistma-search-box {
        max-width: 100%;
    }
    
    .aistma-posts-filters {
        justify-content: center;
    }
    
    .aistma-filter-btn {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    /* Mobile Grid */
    .layout-grid .aistma-posts-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    /* Mobile List */
    .layout-list .aistma-post-item {
        flex-direction: column;
    }
    
    .layout-list .aistma-post-image {
        flex: none;
        max-width: 100%;
        aspect-ratio: 16/9;
    }
    
    .aistma-post-content {
        padding: 1rem;
    }
    
    .aistma-post-title {
        font-size: 1.125rem;
    }
    
    .aistma-load-more-btn {
        width: 100%;
        padding: 14px 24px;
    }
}

@media (max-width: 480px) {
    .aistma-posts-gadget {
        margin: 0 -1rem;
    }
    
    .aistma-posts-controls {
        padding: 0 1rem;
    }
    
    .aistma-posts-container {
        padding: 0 1rem;
    }
    
    .aistma-posts-grid {
        gap: 0.75rem;
    }
    
    .aistma-post-content {
        padding: 0.75rem;
    }
    
    .aistma-post-title {
        font-size: 1rem;
    }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .aistma-post-item {
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    }
    
    .aistma-post-item:hover {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .aistma-posts-gadget {
        color: #e9ecef;
    }
    
    .aistma-posts-search {
        background: #343a40;
        border-color: #495057;
        color: #e9ecef;
    }
    
    .aistma-posts-search:focus {
        border-color: #007cba;
    }
    
    .aistma-filter-btn {
        background: #495057;
        border-color: #6c757d;
        color: #e9ecef;
    }
    
    .aistma-filter-btn:hover {
        background: #6c757d;
    }
    
    .aistma-post-item {
        background: #343a40;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }
    
    .aistma-post-title a {
        color: #e9ecef;
    }
    
    .aistma-post-excerpt {
        color: #adb5bd;
    }
    
    .aistma-posts-empty {
        background: #495057;
        color: #adb5bd;
    }
}

/* Accessibility Improvements */
.aistma-filter-btn:focus,
.aistma-load-more-btn:focus,
.aistma-read-more:focus {
    outline: 2px solid #007cba;
    outline-offset: 2px;
}

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

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .aistma-post-item,
    .aistma-post-image img,
    .aistma-read-more,
    .aistma-load-more-btn,
    .aistma-filter-btn,
    .aistma-search-btn,
    .aistma-posts-search {
        transition: none;
    }
    
    .aistma-spinner {
        animation: none;
    }
    
    .aistma-post-item:hover {
        transform: none;
    }
}

/* Print Styles */
@media print {
    .aistma-posts-controls,
    .aistma-posts-pagination,
    .aistma-posts-loading,
    .aistma-posts-error,
    .aistma-new-badge {
        display: none !important;
    }
    
    .aistma-post-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .aistma-post-title a {
        color: #000 !important;
        text-decoration: none;
    }
    
    .aistma-read-more {
        background: none !important;
        color: #000 !important;
        text-decoration: underline;
    }
}