/**
 * Related Posts Styles
 *
 * Responsive grid layout with Bootstrap 5 integration
 * Supports cards with and without images
 *
 * @package Apus_Theme
 * @since 1.0.0
 */

/* ========================================
   Related Posts Section
   ======================================== */

.related-posts-section {
    margin-top: 4rem;
    margin-bottom: 3rem;
    padding-top: 3rem;
    border-top: 2px solid #e9ecef;
}

.related-posts-container {
    width: 100%;
}

.related-posts-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #212529;
    margin-bottom: 2rem;
    text-align: left;
    position: relative;
    padding-bottom: 0.75rem;
}

.related-posts-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #1a73e8 0%, #4285f4 100%);
    border-radius: 2px;
}

/* ========================================
   Related Post Card
   ======================================== */

.related-post-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #f7fafc;
    border: 1px solid #e2e8f0;
    border-left: 4px solid transparent;
    border-left-color: transparent;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.related-post-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #1e3a5f 0%, #1a73e8 100%);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
}

.related-post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(26, 115, 232, 0.15);
    background: #ffffff;
}

.related-post-card:hover::before {
    opacity: 1;
}

.related-post-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.related-post-link:hover {
    text-decoration: none;
}

/* ========================================
   Card with Thumbnail
   ======================================== */

.related-post-thumbnail {
    position: relative;
    width: 100%;
    padding-bottom: 75%; /* 4:3 aspect ratio */
    overflow: hidden;
    background: #f8f9fa;
}

.related-post-thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.related-post-card:hover .related-post-thumbnail img {
    transform: scale(1.05);
}

/* ========================================
   Card without Image (Color Background)
   ======================================== */

.related-post-no-image {
    position: relative;
    width: 100%;
    padding-bottom: 75%; /* 4:3 aspect ratio */
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.related-post-no-image-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    text-align: center;
}

.related-post-no-image-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin: 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ========================================
   Category Badge
   ======================================== */

.related-post-category {
    position: absolute;
    top: 12px;
    left: 12px;
    display: inline-block;
    padding: 0.375rem 0.875rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: rgba(255, 255, 255, 0.95);
    color: #212529;
    border-radius: 6px;
    z-index: 10;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
}

.related-post-category.no-image {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(8px);
}

.related-post-card:hover .related-post-category {
    background: rgba(26, 115, 232, 0.95);
    color: #ffffff;
}

.related-post-card:hover .related-post-category.no-image {
    background: rgba(255, 255, 255, 0.95);
    color: #212529;
    border-color: transparent;
}

/* ========================================
   Card Content
   ======================================== */

.related-post-content {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.related-post-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #212529;
    margin: 0 0 0.75rem 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
}

.related-post-card:hover .related-post-title {
    color: #1a73e8;
}

.related-post-excerpt {
    font-size: 0.9375rem;
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 0.75rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-post-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid #e9ecef;
}

.related-post-date {
    font-size: 0.8125rem;
    color: #6c757d;
    font-weight: 500;
}

/* ========================================
   Cards without Thumbnail - Simplified Layout
   ======================================== */

.related-post-card.no-thumbnail .related-post-content {
    padding: 1.5rem 1.25rem 1.25rem;
}

/* ========================================
   Responsive Adjustments
   ======================================== */

/* Tablets */
@media (max-width: 991.98px) {
    .related-posts-section {
        margin-top: 3rem;
        padding-top: 2.5rem;
    }

    .related-posts-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .related-post-no-image-title {
        font-size: 1.125rem;
        -webkit-line-clamp: 4;
    }
}

/* Mobile */
@media (max-width: 767.98px) {
    .related-posts-section {
        margin-top: 2.5rem;
        padding-top: 2rem;
    }

    .related-posts-title {
        font-size: 1.375rem;
        margin-bottom: 1.25rem;
    }

    .related-post-card {
        margin-bottom: 0; /* Bootstrap's g-4 handles gaps */
    }

    .related-post-thumbnail {
        padding-bottom: 60%; /* Shorter aspect ratio on mobile */
    }

    .related-post-no-image {
        padding-bottom: 60%;
    }

    .related-post-no-image-title {
        font-size: 1rem;
    }

    .related-post-title {
        font-size: 1rem;
    }

    .related-post-excerpt {
        font-size: 0.875rem;
    }

    .related-post-content {
        padding: 1rem;
    }

    .related-post-card.no-thumbnail .related-post-content {
        padding: 1.25rem 1rem 1rem;
    }
}

/* Small mobile */
@media (max-width: 575.98px) {
    .related-posts-title {
        font-size: 1.25rem;
    }

    .related-post-category {
        font-size: 0.6875rem;
        padding: 0.25rem 0.625rem;
    }

    .related-post-no-image-content {
        padding: 1rem;
    }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .related-posts-section {
        page-break-inside: avoid;
        margin-top: 2rem;
        padding-top: 1.5rem;
        border-top: 1px solid #000;
    }

    .related-post-card {
        page-break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }

    .related-post-card:hover {
        transform: none;
    }

    .related-post-thumbnail img,
    .related-post-no-image {
        display: none;
    }

    .related-post-category {
        background: transparent;
        border: 1px solid #000;
        color: #000;
        position: static;
        display: inline-block;
        margin-bottom: 0.5rem;
    }

    .related-post-content {
        padding: 1rem;
    }

    .related-post-title {
        color: #000;
    }

    .related-post-excerpt {
        color: #333;
    }
}

/* ========================================
   Dark Mode Support (Optional)
   ======================================== */

@media (prefers-color-scheme: dark) {
    .related-posts-section {
        border-top-color: #343a40;
    }

    .related-posts-title {
        color: #f8f9fa;
    }

    .related-post-card {
        background: #212529;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .related-post-card:hover {
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    }

    .related-post-title {
        color: #f8f9fa;
    }

    .related-post-card:hover .related-post-title {
        color: #4285f4;
    }

    .related-post-excerpt {
        color: #adb5bd;
    }

    .related-post-meta {
        border-top-color: #343a40;
    }

    .related-post-date {
        color: #adb5bd;
    }

    .related-post-category {
        background: rgba(33, 37, 41, 0.95);
        color: #f8f9fa;
    }
}

/* ========================================
   Accessibility
   ======================================== */

.related-post-link:focus {
    outline: 2px solid #1a73e8;
    outline-offset: 2px;
}

.related-post-link:focus-visible {
    outline: 2px solid #1a73e8;
    outline-offset: 2px;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    .related-post-card,
    .related-post-card::before,
    .related-post-thumbnail img,
    .related-post-category,
    .related-post-title {
        transition: none;
    }

    .related-post-card:hover {
        transform: none;
    }

    .related-post-card:hover .related-post-thumbnail img {
        transform: none;
    }
}