/**
 * Saved Posts Grid Styles
 * 2-column square grid layout with dark mode support
 */

/* ============================================
   Grid Container
   ============================================ */

.saved-posts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 20px 0;
}

.saved-posts-columns-1 {
    grid-template-columns: 1fr;
}

.saved-posts-columns-2 {
    grid-template-columns: repeat(2, 1fr);
}

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

.saved-posts-columns-4 {
    grid-template-columns: repeat(4, 1fr);
}

/* ============================================
   Empty State
   ============================================ */

.saved-posts-empty {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.saved-posts-empty p {
    font-size: 16px;
    margin: 0;
}

/* ============================================
   Saved Post Card
   ============================================ */

.saved-post-card {
    position: relative;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    overflow: hidden;
    background-color: #f5f5f5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.saved-post-link {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    text-decoration: none;
}

/* ============================================
   Post Image
   ============================================ */

.saved-post-image {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

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

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

.saved-post-no-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.saved-post-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.saved-post-placeholder-icon {
    font-size: 48px;
    opacity: 0.5;
}

/* ============================================
   Post Overlay
   ============================================ */

.saved-post-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    padding: 20px;
    z-index: 2;
    pointer-events: none;
}

.saved-post-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.3;
}

.saved-post-title a {
    color: #ffffff;
    text-decoration: none;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    transition: color 0.2s ease;
    pointer-events: auto;
}

.saved-post-title a:hover {
    color: #F5DF61;
}

/* ============================================
   Remove Button
   ============================================ */

.saved-post-remove {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
    pointer-events: auto;
}

.saved-post-card:hover .saved-post-remove {
    opacity: 1;
    transform: scale(1);
}

.saved-post-remove:hover {
    background-color: #ff4444;
    transform: scale(1.1);
}

.saved-post-remove:active {
    transform: scale(0.95);
}

.saved-post-remove.loading {
    opacity: 0.7;
    cursor: wait;
}

.saved-post-remove-icon {
    font-size: 24px;
    line-height: 1;
    color: #333;
    font-weight: 300;
    transition: color 0.2s ease;
}

.saved-post-remove:hover .saved-post-remove-icon {
    color: #ffffff;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    .saved-posts-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .saved-posts-columns-2,
    .saved-posts-columns-3,
    .saved-posts-columns-4 {
        grid-template-columns: 1fr;
    }
    
    .saved-post-overlay {
        padding: 16px;
    }
    
    .saved-post-title {
        font-size: 16px;
    }
    
    .saved-post-remove {
        opacity: 1;
        transform: scale(1);
        top: 8px;
        right: 8px;
        width: 28px;
        height: 28px;
    }
    
    .saved-post-remove-icon {
        font-size: 20px;
    }
}

/* ============================================
   Dark Mode Styles
   ============================================ */

.dark-mode .saved-posts-empty {
    color: var(--dark-text-secondary);
}

.dark-mode .saved-post-card {
    background-color: var(--dark-bg-secondary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.dark-mode .saved-post-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
}

.dark-mode .saved-post-no-image {
    background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
}

.dark-mode .saved-post-placeholder-icon {
    opacity: 0.4;
}

.dark-mode .saved-post-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.5) 50%, transparent 100%);
}

.dark-mode .saved-post-title a:hover {
    color: var(--dark-accent);
}

.dark-mode .saved-post-remove {
    background-color: rgba(255, 255, 255, 0.15);
}

.dark-mode .saved-post-remove:hover {
    background-color: #ff4444;
}

.dark-mode .saved-post-remove-icon {
    color: var(--dark-text-primary);
}

.dark-mode .saved-post-remove:hover .saved-post-remove-icon {
    color: #ffffff;
}