/**
 * ============================================================================
 * ADVANCED POST GRID - 16 PREMIUM SKINS
 * ============================================================================
 * 
 * Inherits from bith-widgets-master.css and uses grid layout.
 * 
 * @package Bith_Core
 * @since 1.0.0
 */

/* ============================================================================
   BASE STYLES
   ============================================================================ */
.bith-post-grid {
    --pg-bg-page: var(--bith-widget-bg-page, #f8fafc);
    --pg-bg-surface: var(--bith-widget-surface, #ffffff);
    --pg-bg-alt: var(--bith-widget-bg-subtle, #f1f5f9);
    --pg-text-main: var(--bith-widget-text-heading, #0f172a);
    --pg-text-body: var(--bith-widget-text-body, #334155);
    --pg-text-muted: var(--bith-widget-text-muted, #64748b);
    --pg-text-light: var(--bith-widget-text-secondary, #94a3b8);
    --pg-primary: var(--bith-widget-primary, #6366f1);
    --pg-primary-dark: var(--bith-widget-primary-hover, #4f46e5);
    --pg-secondary: var(--bith-widget-secondary, #a855f7);
    --pg-gradient: var(--bith-widget-gradient-duo, linear-gradient(135deg, #6366f1 0%, #a855f7 100%));
    --pg-shadow-sm: var(--bith-widget-shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.06));
    --pg-shadow-md: var(--bith-widget-shadow-md, 0 4px 12px rgba(0, 0, 0, 0.08));
    --pg-shadow-lg: var(--bith-widget-shadow-lg, 0 10px 30px -10px rgba(0, 0, 0, 0.12));
    --pg-shadow-xl: var(--bith-widget-shadow-xl, 0 20px 40px -15px rgba(0, 0, 0, 0.15));
    --pg-shadow-hover: 0 20px 50px -12px rgba(99, 102, 241, 0.25);
    --pg-border: var(--bith-widget-border, #e2e8f0);
    --pg-border-dark: #1e293b;
    --pg-radius-sm: var(--bith-widget-radius-sm, 8px);
    --pg-radius-md: var(--bith-widget-radius-md, 12px);
    --pg-radius-lg: var(--bith-widget-radius-lg, 20px);
    --pg-radius-xl: var(--bith-widget-radius-xl, 24px);
    --pg-ease: var(--bith-widget-ease-out, cubic-bezier(0.4, 0, 0.2, 1));
    --pg-ease-bounce: var(--bith-widget-ease-bounce, cubic-bezier(0.175, 0.885, 0.32, 1.275));
    --pg-duration-fast: var(--bith-widget-duration-fast, 0.2s);
    --pg-duration: var(--bith-widget-duration-normal, 0.35s);
    --pg-duration-slow: var(--bith-widget-duration-slow, 0.5s);
    --pg-neu-bg: #e8eef5;
    --pg-neu-light: #ffffff;
    --pg-neu-dark: rgba(163, 177, 198, 0.6);
    width: 100%;
    font-family: var(--bith-widget-font-primary, 'Inter', sans-serif);
}

.bith-post-grid__grid {
    display: grid;
    gap: 32px;
    width: 100%;
}

.bith-post-grid__grid.grid-1-col {
    grid-template-columns: 1fr;
    max-width: 900px;
}

.bith-post-card img {
    max-width: 100%;
    display: block;
}

.bith-post-card a {
    text-decoration: none;
    color: inherit;
}

/* ============================================================================
   SKIN 1: CLASSIC BOX
   ============================================================================ */
.bith-post-card.skin-1 {
    background: var(--pg-bg-surface);
    border-radius: var(--pg-radius-lg);
    overflow: hidden;
    box-shadow: var(--pg-shadow-md);
    transition: transform var(--pg-duration) var(--pg-ease-bounce), box-shadow var(--pg-duration);
}

.bith-post-card.skin-1:hover {
    transform: translateY(-8px);
    box-shadow: var(--pg-shadow-hover);
}

.bith-post-card.skin-1 .post-image-wrapper {
    position: relative;
    overflow: hidden;
}

.bith-post-card.skin-1 .post-image {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    transition: transform var(--pg-duration-slow);
}

.bith-post-card.skin-1:hover .post-image {
    transform: scale(1.05);
}

.bith-post-card.skin-1 .post-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: var(--pg-gradient);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 50px;
    z-index: 2;
}

.bith-post-card.skin-1 .post-content {
    padding: 28px;
}

.bith-post-card.skin-1 .post-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 14px;
}

.bith-post-card.skin-1 .meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--pg-text-light);
}

.bith-post-card.skin-1 .meta-icon {
    width: 14px;
    height: 14px;
    stroke: var(--pg-text-light);
}

.bith-post-card.skin-1 .post-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--pg-text-main);
    line-height: 1.2;
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bith-post-card.skin-1 .post-title a {
    color: inherit;
    transition: color var(--pg-duration-fast);
}

.bith-post-card.skin-1 .post-title a:hover {
    color: var(--pg-primary);
}

.bith-post-card.skin-1 .post-excerpt {
    font-size: 0.9rem;
    color: var(--pg-text-muted);
    line-height: 1.6;
    margin: 0 0 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bith-post-card.skin-1 .post-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pg-primary);
    transition: color var(--pg-duration-fast);
}

.bith-post-card.skin-1 .post-link:hover {
    color: var(--pg-primary-dark);
}

/* ============================================================================
   SKIN 2: OVERLAY (MAGAZINE)
   ============================================================================ */
.bith-post-card.skin-2 {
    position: relative;
    border-radius: var(--pg-radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.bith-post-card.skin-2 .post-image {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    transition: transform var(--pg-duration-slow);
}

.bith-post-card.skin-2:hover .post-image {
    transform: scale(1.08);
}

.bith-post-card.skin-2 .post-category {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--pg-text-main);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    z-index: 3;
}

.bith-post-card.skin-2 .post-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 80px 24px 28px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
    color: #fff;
    z-index: 2;
}

.bith-post-card.skin-2 .post-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    opacity: 0.85;
}

.bith-post-card.skin-2 .meta-item {
    font-size: 0.8rem;
    font-weight: 500;
}

.bith-post-card.skin-2 .meta-divider {
    font-size: 0.7rem;
    opacity: 0.6;
}

.bith-post-card.skin-2 .post-title {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 10px;
}

.bith-post-card.skin-2 .post-title a {
    color: #fff;
}

.bith-post-card.skin-2 .post-excerpt {
    font-size: 0.85rem;
    opacity: 0.8;
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================================================
   SKIN 3: MINIMAL LIST (HORIZONTAL)
   ============================================================================ */
.bith-post-card.skin-3 {
    display: flex;
    gap: 28px;
    padding: 24px;
    background: var(--pg-bg-surface);
    border-radius: var(--pg-radius-lg);
    box-shadow: var(--pg-shadow-sm);
    transition: box-shadow var(--pg-duration), transform var(--pg-duration) var(--pg-ease-bounce);
}

.bith-post-card.skin-3:hover {
    box-shadow: var(--pg-shadow-lg);
    transform: translateX(8px);
}

.bith-post-card.skin-3 .post-image-wrapper {
    flex-shrink: 0;
}

.bith-post-card.skin-3 .post-image {
    width: 140px;
    height: 140px;
    object-fit: cover;
    border-radius: var(--pg-radius-md);
}

.bith-post-card.skin-3 .post-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
}

.bith-post-card.skin-3 .post-category {
    display: inline-block;
    width: fit-content;
    padding: 4px 10px;
    background: var(--pg-bg-alt);
    color: var(--pg-primary);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.bith-post-card.skin-3 .post-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--pg-text-main);
    line-height: 1.2;
    margin: 0 0 8px;
}

.bith-post-card.skin-3 .post-title a:hover {
    color: var(--pg-primary);
}

.bith-post-card.skin-3 .post-excerpt {
    font-size: 0.9rem;
    color: var(--pg-text-muted);
    line-height: 1.5;
    margin: 0 0 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bith-post-card.skin-3 .post-meta {
    display: flex;
    align-items: center;
    gap: 8px;
}

.bith-post-card.skin-3 .meta-item {
    font-size: 0.8rem;
    color: var(--pg-text-light);
}

.bith-post-card.skin-3 .meta-divider {
    color: var(--pg-text-light);
    opacity: 0.5;
}

/* ============================================================================
   SKIN 4: OFFSET (FLOATING CARD)
   ============================================================================ */
.bith-post-card.skin-4 {
    position: relative;
    padding-bottom: 60px;
}

.bith-post-card.skin-4 .post-image-wrapper {
    position: relative;
    border-radius: var(--pg-radius-lg);
    overflow: hidden;
}

.bith-post-card.skin-4 .post-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    transition: transform var(--pg-duration-slow);
}

.bith-post-card.skin-4:hover .post-image {
    transform: scale(1.05);
}

.bith-post-card.skin-4 .post-category {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 14px;
    background: var(--pg-bg-surface);
    color: var(--pg-primary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 50px;
    box-shadow: var(--pg-shadow-md);
    z-index: 2;
}

.bith-post-card.skin-4 .post-content {
    position: relative;
    margin: -50px 20px 0;
    padding: 24px;
    background: var(--pg-bg-surface);
    border-radius: var(--pg-radius-md);
    box-shadow: var(--pg-shadow-lg);
    z-index: 3;
    transition: transform var(--pg-duration) var(--pg-ease-bounce), box-shadow var(--pg-duration);
}

.bith-post-card.skin-4:hover .post-content {
    transform: translateY(-8px);
    box-shadow: var(--pg-shadow-xl);
}

.bith-post-card.skin-4 .post-meta {
    margin-bottom: 10px;
}

.bith-post-card.skin-4 .meta-item {
    font-size: 0.8rem;
    color: var(--pg-text-light);
}

.bith-post-card.skin-4 .post-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--pg-text-main);
    line-height: 1.2;
    margin: 0 0 10px;
}

.bith-post-card.skin-4 .post-title a:hover {
    color: var(--pg-primary);
}

.bith-post-card.skin-4 .post-excerpt {
    font-size: 0.85rem;
    color: var(--pg-text-muted);
    line-height: 1.5;
    margin: 0 0 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bith-post-card.skin-4 .post-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--pg-primary);
    transition: color var(--pg-duration-fast);
}

.bith-post-card.skin-4 .post-link:hover {
    color: var(--pg-primary-dark);
}

/* ============================================================================
   SKIN 5: GLASSMORPHISM BADGE
   ============================================================================ */
.bith-post-card.skin-5 {
    position: relative;
    border-radius: var(--pg-radius-xl);
    overflow: hidden;
    cursor: pointer;
}

.bith-post-card.skin-5 .post-image {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    transition: transform var(--pg-duration-slow), filter var(--pg-duration);
}

.bith-post-card.skin-5:hover .post-image {
    transform: scale(1.08);
    filter: brightness(0.85);
}

.bith-post-card.skin-5 .glass-badge {
    position: absolute;
    padding: 10px 18px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 50px;
    z-index: 3;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.bith-post-card.skin-5 .glass-date {
    top: 20px;
    left: 20px;
}

.bith-post-card.skin-5 .glass-category {
    top: 20px;
    right: 20px;
}

.bith-post-card.skin-5 .post-content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 30px;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: opacity var(--pg-duration);
    z-index: 2;
}

.bith-post-card.skin-5:hover .post-content {
    opacity: 1;
}

.bith-post-card.skin-5 .post-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    text-align: center;
    line-height: 1.2;
    margin: 0 0 20px;
    transform: translateY(20px);
    transition: transform var(--pg-duration) var(--pg-ease-bounce);
}

.bith-post-card.skin-5:hover .post-title {
    transform: translateY(0);
}

.bith-post-card.skin-5 .post-link {
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    transform: translateY(20px);
    transition: transform var(--pg-duration) var(--pg-ease-bounce), background var(--pg-duration-fast);
    transition-delay: 0.05s;
}

.bith-post-card.skin-5:hover .post-link {
    transform: translateY(0);
}

.bith-post-card.skin-5 .post-link:hover {
    background: rgba(255, 255, 255, 0.35);
}

/* ============================================================================
   SKIN 6: SLIDER REVEAL
   ============================================================================ */
.bith-post-card.skin-6 {
    position: relative;
    border-radius: var(--pg-radius-lg);
    overflow: hidden;
    background: var(--pg-bg-surface);
    box-shadow: var(--pg-shadow-md);
}

.bith-post-card.skin-6 .slider-image-wrapper {
    position: relative;
    overflow: hidden;
    transition: transform var(--pg-duration-slow);
}

.bith-post-card.skin-6 .post-image {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    transition: transform var(--pg-duration-slow);
}

.bith-post-card.skin-6 .slider-image-wrapper .post-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 60px 24px 24px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: #fff;
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0;
    z-index: 2;
    transition: opacity var(--pg-duration);
}

.bith-post-card.skin-6 .slider-content {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height var(--pg-duration-slow), padding var(--pg-duration-slow), opacity var(--pg-duration);
}

.bith-post-card.skin-6:hover .slider-image-wrapper {
    transform: translateY(-20px);
}

.bith-post-card.skin-6:hover .post-image {
    transform: scale(1.05);
}

.bith-post-card.skin-6:hover .slider-image-wrapper .post-title {
    opacity: 0;
}

.bith-post-card.skin-6:hover .slider-content {
    max-height: 200px;
    padding: 24px;
    opacity: 1;
}

.bith-post-card.skin-6 .slider-content .post-excerpt {
    font-size: 0.9rem;
    color: var(--pg-text-muted);
    line-height: 1.6;
    margin: 0 0 16px;
}

.bith-post-card.skin-6 .slider-content .post-link {
    display: inline-block;
    padding: 10px 20px;
    background: var(--pg-gradient);
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    transition: transform var(--pg-duration-fast) var(--pg-ease-bounce), box-shadow var(--pg-duration-fast);
}

.bith-post-card.skin-6 .slider-content .post-link:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

/* ============================================================================
   SKIN 7: NEUMORPHIC FRAME
   ============================================================================ */
.bith-post-card.skin-7 {
    background: var(--pg-neu-bg);
    border-radius: var(--pg-radius-xl);
    padding: 20px;
    box-shadow: 8px 8px 20px var(--pg-neu-dark), -8px -8px 20px var(--pg-neu-light);
}

.bith-post-card.skin-7 .neumorphic-image-frame {
    border-radius: var(--pg-radius-lg);
    padding: 10px;
    background: var(--pg-neu-bg);
    box-shadow: inset 5px 5px 12px var(--pg-neu-dark), inset -5px -5px 12px var(--pg-neu-light);
    margin-bottom: 20px;
}

.bith-post-card.skin-7 .post-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    border-radius: var(--pg-radius-md);
    transition: transform var(--pg-duration);
}

.bith-post-card.skin-7:hover .post-image {
    transform: scale(1.02);
}

.bith-post-card.skin-7 .post-content {
    padding: 12px 8px;
}

.bith-post-card.skin-7 .post-category {
    display: inline-block;
    padding: 6px 14px;
    background: var(--pg-neu-bg);
    color: var(--pg-primary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 50px;
    margin-bottom: 14px;
    box-shadow: 3px 3px 8px var(--pg-neu-dark), -3px -3px 8px var(--pg-neu-light);
}

.bith-post-card.skin-7 .post-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--pg-text-main);
    line-height: 1.2;
    margin: 0 0 10px;
}

.bith-post-card.skin-7 .post-title a:hover {
    color: var(--pg-primary);
}

.bith-post-card.skin-7 .post-excerpt {
    font-size: 0.85rem;
    color: var(--pg-text-muted);
    line-height: 1.5;
    margin: 0 0 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.bith-post-card.skin-7 .post-meta {
    display: flex;
    gap: 12px;
}

.bith-post-card.skin-7 .meta-item {
    font-size: 0.8rem;
    color: var(--pg-text-light);
}

/* ============================================================================
   SKIN 8: BORDERED CONSTRUCT
   ============================================================================ */
.bith-post-card.skin-8 {
    background: var(--pg-bg-surface);
    border: 1px solid var(--pg-border-dark);
    transition: border-color var(--pg-duration-fast);
}

.bith-post-card.skin-8:hover {
    border-color: var(--pg-primary);
}

.bith-post-card.skin-8 .post-image-wrapper {
    border-bottom: 1px solid var(--pg-border-dark);
    transition: border-color var(--pg-duration-fast);
    overflow: hidden;
}

.bith-post-card.skin-8:hover .post-image-wrapper {
    border-color: var(--pg-primary);
}

.bith-post-card.skin-8 .post-image {
    width: 100%;
    aspect-ratio: 2/1;
    object-fit: cover;
    filter: grayscale(20%);
    transition: filter var(--pg-duration), transform var(--pg-duration);
}

.bith-post-card.skin-8:hover .post-image {
    filter: grayscale(0%);
    transform: scale(1.02);
}

.bith-post-card.skin-8 .bordered-divider {
    height: 1px;
    background: var(--pg-border-dark);
    transition: background var(--pg-duration-fast);
}

.bith-post-card.skin-8:hover .bordered-divider {
    background: var(--pg-primary);
}

.bith-post-card.skin-8 .post-content {
    padding: 24px;
}

.bith-post-card.skin-8 .post-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 14px;
}

.bith-post-card.skin-8 .meta-item {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--pg-text-muted);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
    letter-spacing: 0.5px;
}

.bith-post-card.skin-8 .post-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--pg-text-main);
    line-height: 1.2;
    letter-spacing: 1px;
    margin: 0 0 12px;
    text-transform: uppercase;
}

.bith-post-card.skin-8 .post-title a:hover {
    color: var(--pg-primary);
}

.bith-post-card.skin-8 .post-excerpt {
    font-size: 0.85rem;
    color: var(--pg-text-muted);
    line-height: 1.6;
    margin: 0 0 18px;
}

.bith-post-card.skin-8 .post-link {
    display: inline-block;
    padding: 8px 0;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--pg-text-main);
    font-family: 'SF Mono', 'Monaco', monospace;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--pg-border-dark);
    transition: color var(--pg-duration-fast), border-color var(--pg-duration-fast);
}

.bith-post-card.skin-8 .post-link:hover {
    color: var(--pg-primary);
    border-color: var(--pg-primary);
}

/* ============================================================================
   SKIN 9: POLAROID STACK
   ============================================================================ */
.bith-post-card.skin-9 {
    background: var(--pg-bg-surface);
    padding: 16px 16px 20px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: rotate(-2deg);
    transition: transform var(--pg-duration) var(--pg-ease-bounce), box-shadow var(--pg-duration);
}

.bith-post-card.skin-9:nth-child(2) {
    transform: rotate(1deg);
}

.bith-post-card.skin-9:nth-child(3) {
    transform: rotate(-1.5deg);
}

.bith-post-card.skin-9:hover {
    transform: rotate(0deg) scale(1.03) translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
    z-index: 10;
}

.bith-post-card.skin-9 .polaroid-frame {
    overflow: hidden;
    border-radius: 2px;
}

.bith-post-card.skin-9 .post-image {
    width: 100%;
    aspect-ratio: 1/1;
    object-fit: cover;
}

.bith-post-card.skin-9 .post-content {
    padding: 16px 4px 4px;
    text-align: center;
}

.bith-post-card.skin-9 .post-title {
    font-family: 'Caveat', 'Comic Sans MS', cursive;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--pg-text-main);
    line-height: 1.2;
    margin: 0;
}

.bith-post-card.skin-9 .polaroid-date {
    font-size: 0.8rem;
    color: var(--pg-text-muted);
    margin-top: 6px;
    display: block;
}

/* ============================================================================
   SKIN 10: NEON CYBERPUNK
   ============================================================================ */
.bith-post-card.skin-10 {
    position: relative;
    background: #0a0a0f;
    border-radius: var(--pg-radius-lg);
    overflow: hidden;
    transition: transform var(--pg-duration) var(--pg-ease-bounce);
}

.bith-post-card.skin-10:hover {
    transform: translateY(-6px);
}

.bith-post-card.skin-10 .neon-border {
    position: absolute;
    inset: 0;
    border-radius: var(--pg-radius-lg);
    padding: 2px;
    background: linear-gradient(135deg, #ff00ff, #00ffff);
    z-index: 0;
    opacity: 0.6;
    transition: opacity var(--pg-duration);
}

.bith-post-card.skin-10:hover .neon-border {
    opacity: 1;
}

.bith-post-card.skin-10[data-neon="pink"] .neon-border {
    background: linear-gradient(135deg, #ff0080, #ff00ff);
}

.bith-post-card.skin-10[data-neon="cyan"] .neon-border {
    background: linear-gradient(135deg, #00ffff, #0080ff);
}

.bith-post-card.skin-10[data-neon="purple"] .neon-border {
    background: linear-gradient(135deg, #8b00ff, #ff0080);
}

.bith-post-card.skin-10::before {
    content: '';
    position: absolute;
    inset: 2px;
    background: #0a0a0f;
    border-radius: calc(var(--pg-radius-lg) - 2px);
    z-index: 1;
}

.bith-post-card.skin-10 .post-image {
    position: relative;
    z-index: 2;
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    opacity: 0.7;
}

.bith-post-card.skin-10 .post-content {
    position: relative;
    z-index: 2;
    padding: 24px;
}

.bith-post-card.skin-10 .post-category {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    border-radius: 2px;
    margin-bottom: 12px;
    background: transparent;
    border: 1px solid #ff00ff;
    color: #ff00ff;
    text-shadow: 0 0 10px currentColor;
}

.bith-post-card.skin-10[data-neon="cyan"] .post-category {
    border-color: #00ffff;
    color: #00ffff;
}

.bith-post-card.skin-10[data-neon="purple"] .post-category {
    border-color: #8b00ff;
    color: #8b00ff;
}

.bith-post-card.skin-10 .post-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin: 0 0 10px;
}

.bith-post-card.skin-10 .post-excerpt {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
    margin: 0;
}

/* ============================================================================
   SKIN 11: SPLIT DIAGONAL
   ============================================================================ */
.bith-post-card.skin-11 {
    position: relative;
    height: 380px;
    border-radius: var(--pg-radius-lg);
    overflow: hidden;
    background: var(--pg-bg-surface);
}

.bith-post-card.skin-11 .diagonal-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    clip-path: polygon(0 0, 100% 0, 55% 100%, 0 100%);
}

.bith-post-card.skin-11 .post-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--pg-duration-slow);
}

.bith-post-card.skin-11:hover .post-image {
    transform: scale(1.05);
}

.bith-post-card.skin-11 .diagonal-content {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 55%;
    height: 60%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 24px 24px 24px 40px;
}

.bith-post-card.skin-11 .post-category {
    display: inline-block;
    width: fit-content;
    padding: 4px 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--pg-gradient);
    color: #fff;
    border-radius: 4px;
    margin-bottom: 12px;
}

.bith-post-card.skin-11 .post-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--pg-text-main);
    line-height: 1.2;
    margin: 0 0 16px;
}

.bith-post-card.skin-11 .post-title a:hover {
    color: var(--pg-primary);
}

.bith-post-card.skin-11 .post-link {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pg-primary);
}

.bith-post-card.skin-11 .post-link:hover {
    color: var(--pg-primary-dark);
}

/* ============================================================================
   SKIN 12: MORPHING BLOB
   ============================================================================ */
.bith-post-card.skin-12 {
    position: relative;
    background: var(--pg-bg-surface);
    border-radius: var(--pg-radius-xl);
    padding: 40px 30px 30px;
    text-align: center;
    overflow: hidden;
    box-shadow: var(--pg-shadow-md);
    transition: box-shadow var(--pg-duration);
}

.bith-post-card.skin-12:hover {
    box-shadow: var(--pg-shadow-xl);
}

.bith-post-card.skin-12 .blob-bg {
    position: absolute;
    top: -60px;
    right: -60px;
    width: 200px;
    height: 200px;
    background: var(--pg-gradient);
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    opacity: 0.15;
    filter: blur(40px);
    animation: blobMorph 8s ease-in-out infinite;
}

@keyframes blobMorph {

    0%,
    100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }

    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

.bith-post-card.skin-12 .blob-image-wrapper {
    width: 120px;
    height: 120px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--pg-border);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    transition: transform var(--pg-duration) var(--pg-ease-bounce);
}

.bith-post-card.skin-12:hover .blob-image-wrapper {
    transform: scale(1.08);
}

.bith-post-card.skin-12 .blob-image-wrapper .post-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bith-post-card.skin-12 .post-category {
    display: inline-block;
    padding: 4px 14px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--pg-primary);
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50px;
    margin-bottom: 12px;
}

.bith-post-card.skin-12 .post-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--pg-text-main);
    line-height: 1.2;
    margin: 0 0 8px;
}

.bith-post-card.skin-12 .post-title a:hover {
    color: var(--pg-primary);
}

.bith-post-card.skin-12 .post-excerpt {
    font-size: 0.85rem;
    color: var(--pg-text-muted);
    line-height: 1.5;
    margin: 0;
}

/* ============================================================================
   SKIN 13: 3D FLIP CARD
   ============================================================================ */
.bith-post-card.skin-13 {
    perspective: 1000px;
    height: 380px;
}

.bith-post-card.skin-13 .flip-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.7s var(--pg-ease);
    transform-style: preserve-3d;
}

.bith-post-card.skin-13:hover .flip-inner {
    transform: rotateY(180deg);
}

.bith-post-card.skin-13 .flip-front,
.bith-post-card.skin-13 .flip-back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: var(--pg-radius-lg);
    overflow: hidden;
}

.bith-post-card.skin-13 .flip-front {
    background: var(--pg-bg-surface);
}

.bith-post-card.skin-13 .flip-front .post-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bith-post-card.skin-13 .flip-front .post-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 50px 24px 24px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    margin: 0;
}

.bith-post-card.skin-13 .flip-back {
    background: var(--pg-gradient);
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px;
    color: #fff;
}

.bith-post-card.skin-13 .flip-back .post-category {
    display: inline-block;
    width: fit-content;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.2);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.bith-post-card.skin-13 .flip-back .post-title {
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 14px;
}

.bith-post-card.skin-13 .flip-back .post-excerpt {
    font-size: 0.9rem;
    opacity: 0.9;
    line-height: 1.5;
    margin: 0 0 20px;
}

.bith-post-card.skin-13 .flip-back .post-link {
    display: inline-block;
    width: fit-content;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.2);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    transition: background var(--pg-duration-fast);
}

.bith-post-card.skin-13 .flip-back .post-link:hover {
    background: rgba(255, 255, 255, 0.35);
}

/* ============================================================================
   SKIN 14: TYPEWRITER RETRO
   ============================================================================ */
.bith-post-card.skin-14 {
    background: #fdfaf5;
    border: 1px solid #d4cfc4;
    font-family: 'Courier New', 'Courier', monospace;
}

.bith-post-card.skin-14 .typewriter-header {
    display: flex;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid #d4cfc4;
    font-size: 0.7rem;
    color: #8b8378;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.bith-post-card.skin-14 .post-image {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    filter: sepia(20%) contrast(1.05);
    transition: filter var(--pg-duration);
}

.bith-post-card.skin-14:hover .post-image {
    filter: sepia(0%);
}

.bith-post-card.skin-14 .post-content {
    padding: 20px;
}

.bith-post-card.skin-14 .post-title {
    font-size: 1rem;
    font-weight: 700;
    color: #2c2820;
    line-height: 1.3;
    margin: 0 0 12px;
    text-transform: uppercase;
}

.bith-post-card.skin-14 .post-title a:hover {
    color: var(--pg-primary);
}

.bith-post-card.skin-14 .post-excerpt {
    font-size: 0.85rem;
    color: #5a5347;
    line-height: 1.7;
    margin: 0 0 16px;
    text-align: justify;
}

.bith-post-card.skin-14 .typewriter-footer {
    display: flex;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px dashed #d4cfc4;
    font-size: 0.7rem;
    color: #8b8378;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================================================
   SKIN 15: FLOATING LAYERS
   ============================================================================ */
.bith-post-card.skin-15 {
    position: relative;
    padding-top: 30px;
    padding-left: 20px;
}

.bith-post-card.skin-15 .layer {
    position: absolute;
    border-radius: var(--pg-radius-lg);
    background: var(--pg-bg-surface);
    transition: transform var(--pg-duration) var(--pg-ease-bounce);
}

.bith-post-card.skin-15 .layer-3 {
    inset: 0 20px 80px 0;
    box-shadow: var(--pg-shadow-sm);
    transform: rotate(3deg);
}

.bith-post-card.skin-15 .layer-2 {
    inset: 15px 10px 65px 10px;
    box-shadow: var(--pg-shadow-md);
    transform: rotate(-2deg);
}

.bith-post-card.skin-15 .layer-1 {
    position: relative;
    border-radius: var(--pg-radius-lg);
    overflow: hidden;
    box-shadow: var(--pg-shadow-lg);
    z-index: 3;
}

.bith-post-card.skin-15:hover .layer-3 {
    transform: rotate(5deg) translateX(-5px);
}

.bith-post-card.skin-15:hover .layer-2 {
    transform: rotate(-4deg) translateX(5px);
}

.bith-post-card.skin-15 .post-image {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
}

.bith-post-card.skin-15 .post-content {
    position: relative;
    z-index: 4;
    padding: 24px 0 0;
}

.bith-post-card.skin-15 .post-category {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    background: var(--pg-gradient);
    color: #fff;
    border-radius: 4px;
    margin-bottom: 10px;
}

.bith-post-card.skin-15 .post-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--pg-text-main);
    line-height: 1.2;
    margin: 0 0 8px;
}

.bith-post-card.skin-15 .post-title a:hover {
    color: var(--pg-primary);
}

.bith-post-card.skin-15 .post-excerpt {
    font-size: 0.85rem;
    color: var(--pg-text-muted);
    line-height: 1.5;
    margin: 0;
}

/* ============================================================================
   SKIN 16: GRADIENT MESH
   ============================================================================ */
.bith-post-card.skin-16 {
    position: relative;
    border-radius: var(--pg-radius-xl);
    overflow: hidden;
    min-height: 320px;
    transition: transform var(--pg-duration) var(--pg-ease-bounce);
}

.bith-post-card.skin-16:hover {
    transform: translateY(-6px) scale(1.02);
}

.bith-post-card.skin-16 .gradient-mesh-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(251, 113, 133, 0.8) 0%, transparent 50%),
        radial-gradient(circle at 80% 30%, rgba(253, 186, 116, 0.7) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(251, 191, 36, 0.6) 0%, transparent 50%),
        linear-gradient(135deg, #fef3c7 0%, #fce7f3 100%);
}

.bith-post-card.skin-16[data-gradient="ocean"] .gradient-mesh-bg {
    background:
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.7) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.6) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(34, 211, 238, 0.5) 0%, transparent 50%),
        linear-gradient(135deg, #e0f2fe 0%, #cffafe 100%);
}

.bith-post-card.skin-16[data-gradient="aurora"] .gradient-mesh-bg {
    background:
        radial-gradient(circle at 30% 20%, rgba(139, 92, 246, 0.7) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(236, 72, 153, 0.6) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(99, 102, 241, 0.5) 0%, transparent 50%),
        linear-gradient(135deg, #ede9fe 0%, #fce7f3 100%);
}

.bith-post-card.skin-16 .mesh-content {
    position: relative;
    z-index: 2;
    padding: 32px;
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 320px;
}

.bith-post-card.skin-16 .mesh-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.bith-post-card.skin-16 .post-category {
    display: inline-block;
    width: fit-content;
    padding: 4px 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    background: rgba(0, 0, 0, 0.08);
    color: var(--pg-text-main);
    border-radius: 4px;
    margin-bottom: 12px;
}

.bith-post-card.skin-16 .post-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--pg-text-main);
    line-height: 1.2;
    margin: 0 0 10px;
}

.bith-post-card.skin-16 .post-title a:hover {
    color: var(--pg-primary-dark);
}

.bith-post-card.skin-16 .post-excerpt {
    font-size: 0.9rem;
    color: var(--pg-text-body);
    line-height: 1.5;
    margin: 0 0 auto;
}

.bith-post-card.skin-16 .post-link {
    display: inline-block;
    width: fit-content;
    padding: 10px 20px;
    margin-top: 16px;
    background: rgba(0, 0, 0, 0.08);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--pg-text-main);
    border-radius: 50px;
    transition: background var(--pg-duration-fast), transform var(--pg-duration-fast);
}

.bith-post-card.skin-16 .post-link:hover {
    background: rgba(0, 0, 0, 0.15);
    transform: translateX(4px);
}

/* ============================================================================
   RESPONSIVE STYLES
   ============================================================================ */
@media (max-width: 1200px) {
    .bith-post-grid__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .bith-post-grid__grid {
        grid-template-columns: 1fr;
    }

    .bith-post-card.skin-3 {
        flex-direction: column;
    }

    .bith-post-card.skin-3 .post-image {
        width: 100%;
        height: 200px;
    }

    .bith-post-card.skin-4 {
        padding-bottom: 40px;
    }

    .bith-post-card.skin-4 .post-content {
        margin: -40px 15px 0;
    }

    .bith-post-card.skin-11 {
        height: 320px;
    }

    .bith-post-card.skin-11 .diagonal-image {
        clip-path: polygon(0 0, 100% 0, 100% 50%, 0 50%);
        height: 50%;
    }

    .bith-post-card.skin-11 .diagonal-content {
        width: 100%;
        height: 50%;
        top: auto;
        bottom: 0;
        padding: 20px;
    }

    .bith-post-card.skin-13 {
        height: 340px;
    }

    .bith-post-card.skin-15 {
        padding-top: 20px;
        padding-left: 10px;
    }
}