/**
 * Hello Middleton - Card Components
 * Unified card system for news, activity, events, and classifieds.
 * Uses BEM naming convention for specificity control.
 *
 * @requires critical/tokens.css
 */

/* =========================================================================
   BASE CARD - .hm-card
   ========================================================================= */

.hm-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--hm-bg-elevated);
    border: 1px solid var(--hm-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out),
        border-color var(--duration-normal) var(--ease-out);
    -webkit-tap-highlight-color: transparent;
}

/* Touch-specific active state */
.hm-card:active {
    transform: scale(0.98);
    transition-duration: 0.1s;
}

/* Card hover state */
.hm-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--hm-border-strong);
}

/* Card focus state */
.hm-card:focus-within {
    box-shadow: var(--shadow-md), var(--shadow-glow);
    border-color: var(--hm-primary);
}

/* Top accent line on hover */
.hm-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--hm-primary), var(--hm-accent));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
    z-index: 1;
}

.hm-card:hover::before {
    opacity: 1;
}

/* =========================================================================
   CARD IMAGE - .hm-card__image
   ========================================================================= */

.hm-card__image {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--hm-bg-muted);
}

.hm-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.hm-card:hover .hm-card__image img {
    transform: scale(1.05);
}

/* Image overlay gradient */
.hm-card__image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.hm-card:hover .hm-card__image::after {
    opacity: 1;
}

/* =========================================================================
   CARD CONTENT - .hm-card__content
   ========================================================================= */

.hm-card__content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: var(--space-4);
}

.hm-card__title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--hm-text);
    line-height: var(--leading-tight);
    margin: 0 0 var(--space-2);
}

.hm-card__title a {
    color: inherit;
    text-decoration: none;
    touch-action: manipulation;
}

.hm-card__title a:hover {
    color: var(--hm-primary);
}

.hm-card__title a:active {
    opacity: 0.8;
}

.hm-card__excerpt {
    font-size: var(--text-sm);
    color: var(--hm-text-secondary);
    line-height: var(--leading-relaxed);
    margin: 0 0 var(--space-3);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* =========================================================================
   CARD META - .hm-card__meta
   ========================================================================= */

.hm-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-xs);
    color: var(--hm-text-muted);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--hm-border);
}

.hm-card__date,
.hm-card__author,
.hm-card__source {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.hm-card__date::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--hm-text-muted);
    border-radius: var(--radius-full);
}

.hm-card__date:first-child::before {
    display: none;
}

/* =========================================================================
   CARD VARIANTS
   ========================================================================= */

/* Featured Card - Larger, more prominent */
.hm-card--featured {
    grid-column: span 2;
}

.hm-card--featured .hm-card__image {
    aspect-ratio: 21 / 9;
}

.hm-card--featured .hm-card__title {
    font-size: var(--text-2xl);
}

/* Compact Card - No image, smaller */
.hm-card--compact {
    flex-direction: row;
    padding: var(--space-3);
    gap: var(--space-3);
}

.hm-card--compact .hm-card__image {
    width: 80px;
    aspect-ratio: 1;
    flex-shrink: 0;
    border-radius: var(--radius-md);
}

.hm-card--compact .hm-card__content {
    padding: 0;
}

.hm-card--compact .hm-card__title {
    font-size: var(--text-base);
}

/* Horizontal Card */
.hm-card--horizontal {
    flex-direction: row;
}

.hm-card--horizontal .hm-card__image {
    width: 40%;
    aspect-ratio: 4 / 3;
    flex-shrink: 0;
}

/* =========================================================================
   RSS/FEEDZY CARDS - Integration
   ========================================================================= */

.feedzy-rss .rss_item,
.hm-master-layout .rss_item {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--hm-bg-elevated);
    border: 1px solid var(--hm-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out),
        border-color var(--duration-normal) var(--ease-out);
}

.feedzy-rss .rss_item:hover,
.hm-master-layout .rss_item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--hm-border-strong);
}

/* RSS card accent line */
.feedzy-rss .rss_item::before,
.hm-master-layout .rss_item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--hm-primary), var(--hm-accent));
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
    z-index: 1;
}

.feedzy-rss .rss_item:hover::before,
.hm-master-layout .rss_item:hover::before {
    opacity: 1;
}

/* RSS image */
.rss_item .rss_image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--hm-bg-muted);
}

.rss_item .rss_image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.rss_item:hover .rss_image img {
    transform: scale(1.05);
}

/* RSS content */
.rss_item .rss_content {
    padding: var(--space-4);
}

.rss_item .rss_title {
    font-family: var(--font-display);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--hm-text);
    line-height: var(--leading-tight);
    margin: 0 0 var(--space-2);
}

.rss_item .rss_title a {
    color: inherit;
    text-decoration: none;
}

.rss_item .rss_title a:hover {
    color: var(--hm-primary);
}

/* RSS meta info */
.rss_item .rss_meta {
    font-size: var(--text-xs);
    color: var(--hm-text-muted);
}

/* =========================================================================
   ACTIVITY/PULSE CARDS - BuddyPress Integration
   ========================================================================= */

.pulse-items .activity-item,
.hm-master-layout .activity-item {
    background: var(--hm-bg-elevated);
    border: 1px solid var(--hm-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--duration-normal) var(--ease-out),
        box-shadow var(--duration-normal) var(--ease-out),
        border-color var(--duration-normal) var(--ease-out);
}

.pulse-items .activity-item:hover,
.hm-master-layout .activity-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--hm-border-strong);
}

/* Touch feedback for activity cards */
.pulse-items .activity-item,
.hm-master-layout .activity-item {
    -webkit-tap-highlight-color: transparent;
}

.pulse-items .activity-item:active,
.hm-master-layout .activity-item:active {
    transform: scale(0.98);
    transition-duration: 0.1s;
}

/* Activity header with avatar */
.activity-item .activity-header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.activity-item .activity-avatar {
    flex-shrink: 0;
}

.activity-item .activity-avatar img {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.activity-item .activity-content {
    flex: 1;
    min-width: 0;
}

/* Activity time */
.activity-item .activity-time-since {
    font-size: var(--text-xs);
    color: var(--hm-text-muted);
}

/* =========================================================================
   SECTION HEADERS
   ========================================================================= */

.hm-section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--hm-border);
}

.hm-section-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--font-semibold);
    color: var(--hm-text);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.hm-section-link {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--hm-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--space-1);
    transition: gap var(--duration-fast) var(--ease-out);
}

.hm-section-link:hover {
    gap: var(--space-2);
    color: var(--hm-primary-hover);
}

.hm-section-link::after {
    content: '\2192'; /* → */
    transition: transform var(--duration-fast) var(--ease-out);
}

.hm-section-link:hover::after {
    transform: translateX(2px);
}

/* =========================================================================
   CARD GRID LAYOUTS
   ========================================================================= */

.hm-card-grid {
    display: grid;
    gap: var(--space-4);
    grid-template-columns: 1fr;
}

@media (min-width: 480px) {
    .hm-card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .hm-card-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Bento-style grid */
.hm-card-grid--bento {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: minmax(200px, auto);
}

.hm-card-grid--bento .hm-card--featured {
    grid-column: span 2;
    grid-row: span 2;
}

@media (min-width: 1024px) {
    .hm-card-grid--bento {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* =========================================================================
   TOUCH DEVICE OPTIMIZATIONS
   ========================================================================= */

/* Disable hover effects on touch devices to prevent sticky states */
@media (hover: none) {
    .hm-card:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }

    .hm-card:hover::before {
        opacity: 0;
    }

    .hm-card:hover .hm-card__image img {
        transform: none;
    }

    .feedzy-rss .rss_item:hover,
    .hm-master-layout .rss_item:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }

    .pulse-items .activity-item:hover,
    .hm-master-layout .activity-item:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }
}

/* Enhanced touch feedback - only on touch devices */
@media (hover: none) and (pointer: coarse) {
    .hm-card:active,
    .feedzy-rss .rss_item:active,
    .hm-master-layout .rss_item:active,
    .pulse-items .activity-item:active,
    .hm-master-layout .activity-item:active {
        transform: scale(0.98);
        transition: transform 0.1s var(--ease-out);
    }
}

/* =========================================================================
   CLS PREVENTION - External Images & Skeleton Loading
   ========================================================================= */

/* Force aspect-ratio on all news/RSS images to prevent CLS */
.rss_item img,
.feedzy-rss img,
.news-card img,
.hm-news-item img,
article img[src*="villages-news"],
article img[src*="leesburg-news"],
article img[src*="bbc.com"],
article img[src*="foxnews"],
article img[src*="espn.com"],
article img[src*="techcrunch"] {
    aspect-ratio: 16 / 9;
    object-fit: cover;
    width: 100%;
    height: auto;
    background: var(--hm-bg-muted);
}

/* Skeleton placeholder for loading images */
.rss_image,
.hm-card__image,
.news-card-image {
    position: relative;
    background: var(--hm-bg-muted);
}

.rss_image::before,
.hm-card__image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        var(--hm-bg-muted) 0%,
        var(--hm-neutral-200) 50%,
        var(--hm-bg-muted) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s ease-in-out infinite;
    opacity: 0;
    transition: opacity var(--duration-normal);
}

.rss_image:not(:has(img[src])) ::before,
.hm-card__image:not(:has(img[src]))::before {
    opacity: 1;
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Reserve space for common RSS card heights */
.feedzy-rss .rss_item,
.hm-news-item {
    min-height: 280px;
}

.feedzy-rss .rss_item.compact,
.hm-news-item--compact {
    min-height: 120px;
}