/**
 * Hello Middleton - Community Talk Section
 * Social feed with masonry-style card grid
 * Features: pinned posts, media galleries, author info
 *
 * @requires tokens.css
 * @since 2.1.4
 */

/* ==========================================================================
   COMMUNITY TALK - Main Container
   ========================================================================== */

.community-talk {
    background: var(--hm-bg-elevated);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    margin: var(--space-5) 0;
    border: 1px solid var(--hm-border);
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.ct-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-5) var(--space-6);
    background: var(--hm-bg-subtle);
    border-bottom: 1px solid var(--hm-border);
    flex-wrap: wrap;
    gap: var(--space-3);
    position: relative;
}

/* Accent line - teal gradient for community */
.ct-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #0F766E 0%, #14B8A6 50%, #2DD4BF 100%);
}

.ct-header-left {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.ct-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: 0;
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--hm-text);
    letter-spacing: -0.02em;
}

.ct-icon {
    font-size: 1.5rem;
    opacity: 0.9;
}

.ct-subtitle {
    margin: 0;
    font-family: var(--font-body);
    font-size: 0.8rem;
    color: var(--hm-text-muted);
    font-weight: 500;
}

.ct-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.ct-live-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    color: #16A34A;
}

.ct-live-dot {
    width: 8px;
    height: 8px;
    background: #16A34A;
    border-radius: 50%;
    animation: ct-pulse-live 2s ease-in-out infinite;
}

@keyframes ct-pulse-live {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.2); }
}

/* ==========================================================================
   POST BUTTON
   ========================================================================== */

.ct-post-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--hm-accent);
    color: white !important;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--duration-normal) var(--ease-out);
    box-shadow: var(--shadow-sm);
}

.ct-post-btn:hover {
    background: var(--hm-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white !important;
}

/* ==========================================================================
   GRID - Masonry-like Layout
   ========================================================================== */

.ct-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    padding: var(--space-5) var(--space-6);
    align-items: start;
}

/* ==========================================================================
   CARDS
   ========================================================================== */

.ct-card {
    position: relative;
    background: var(--hm-bg-elevated);
    border-radius: var(--radius-lg);
    border: 1px solid var(--hm-border);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-out);
}

.ct-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(15, 118, 110, 0.12);
    border-color: var(--hm-border-strong);
}

/* Pinned Card */
.ct-card-pinned {
    border-color: var(--hm-primary);
    background: linear-gradient(180deg, #FEF3C7 0%, var(--hm-bg-elevated) 80px);
}

.ct-pinned-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    margin: var(--space-3) var(--space-4);
    background: var(--hm-primary);
    color: white;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
}

/* ==========================================================================
   CARD HEADER - Author Info
   ========================================================================== */

.ct-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    padding-bottom: var(--space-2);
}

.ct-avatar img {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--hm-border);
}

.ct-author-info {
    display: flex;
    flex-direction: column;
}

.ct-author-name {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--hm-text);
    text-decoration: none;
}

.ct-author-name:hover {
    color: var(--hm-primary);
}

.ct-time {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--hm-text-muted);
}

/* ==========================================================================
   CARD TEXT CONTENT
   ========================================================================== */

.ct-card-text {
    padding: 0 var(--space-4) var(--space-3);
}

.ct-card-text p {
    margin: 0;
    font-family: var(--font-body);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--hm-text-secondary);
}

.ct-more {
    color: var(--hm-primary);
    font-weight: 600;
}

/* ==========================================================================
   CARD MEDIA - Photos
   ========================================================================== */

.ct-card-photos {
    display: grid;
    gap: 2px;
    overflow: hidden;
}

.ct-photos-1 {
    grid-template-columns: 1fr;
}

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

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

.ct-photos-4 {
    grid-template-columns: repeat(2, 1fr);
}

.ct-photo {
    display: block;
    aspect-ratio: 1;
    overflow: hidden;
}

.ct-photos-1 .ct-photo {
    aspect-ratio: 16/9;
}

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

.ct-photo:hover img {
    transform: scale(1.05);
}

/* ==========================================================================
   CARD MEDIA - Video
   ========================================================================== */

.ct-card-video {
    padding: 0;
}

.ct-card-video video {
    width: 100%;
    display: block;
}

.ct-card-youtube {
    padding: 0;
}

.ct-youtube-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.ct-youtube-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* ==========================================================================
   CARD FOOTER
   ========================================================================== */

.ct-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    border-top: 1px solid var(--hm-border);
    background: var(--hm-bg-subtle);
}

.ct-stats {
    display: flex;
    gap: var(--space-3);
}

.ct-stat {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--hm-text-muted);
}

.ct-view-link {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--hm-primary);
    text-decoration: none;
}

.ct-view-link:hover {
    color: var(--hm-primary-hover);
}

/* ==========================================================================
   SECTION FOOTER
   ========================================================================== */

.ct-footer {
    display: flex;
    justify-content: center;
    padding: var(--space-4) var(--space-6);
    background: var(--hm-bg-subtle);
    border-top: 1px solid var(--hm-border);
}

.ct-load-more {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--hm-bg-elevated);
    border: 2px solid var(--hm-border);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--hm-text);
    text-decoration: none;
    transition: all var(--duration-normal) var(--ease-out);
}

.ct-load-more:hover {
    border-color: var(--hm-primary);
    color: var(--hm-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.ct-load-more span {
    transition: transform var(--duration-fast) var(--ease-out);
}

.ct-load-more:hover span {
    transform: translateX(4px);
}

/* ==========================================================================
   EMPTY STATE
   ========================================================================== */

.ct-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-8);
    color: var(--hm-text-muted);
}

/* ==========================================================================
   ACCESSIBILITY - Focus States
   ========================================================================== */

.ct-card:focus-within {
    outline: 2px solid var(--hm-primary);
    outline-offset: 2px;
}

/* ==========================================================================
   RESPONSIVE - Extra Large Desktop (min-width: 1400px)
   ========================================================================== */

@media (min-width: 1400px) {
    .ct-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1600px) {
    .ct-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ==========================================================================
   RESPONSIVE - Large Desktop (max-width: 1200px)
   ========================================================================== */

@media (max-width: 1200px) {
    .ct-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .community-talk {
        width: 100%;
        max-width: 100%;
        padding-left: 15px;
        padding-right: 15px;
    }
}

/* ==========================================================================
   RESPONSIVE - Tablet (max-width: 768px)
   ========================================================================== */

@media (max-width: 768px) {
    .community-talk {
        border-radius: var(--radius-lg);
        margin: var(--space-4) 0;
    }

    .ct-header {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-4);
    }

    .ct-title {
        font-size: 1.25rem;
    }

    .ct-header-right {
        width: 100%;
        justify-content: space-between;
    }

    .ct-grid {
        grid-template-columns: 1fr;
        padding: var(--space-4);
        gap: var(--space-3);
    }

    .ct-footer {
        padding: var(--space-3);
    }
}

/* ==========================================================================
   RESPONSIVE - Mobile (max-width: 480px)
   Note: Community Talk is hidden on mobile for cleaner app experience
   These styles are for tablet landscape / small desktop
   ========================================================================== */

@media (max-width: 480px) {
    .community-talk {
        margin: var(--space-3) 0;
        border-radius: var(--radius-md);
    }

    .ct-header {
        padding: var(--space-3);
    }

    .ct-title {
        font-size: 1.1rem;
    }

    .ct-icon {
        font-size: 1.25rem;
    }

    .ct-grid {
        padding: var(--space-3);
        gap: var(--space-2);
    }

    .ct-card-header {
        padding: var(--space-3);
        padding-bottom: var(--space-2);
    }

    .ct-avatar img {
        width: 36px;
        height: 36px;
    }

    .ct-author-name {
        font-size: 0.85rem;
    }

    .ct-card-text {
        padding: 0 var(--space-3) var(--space-2);
    }

    .ct-card-text p {
        font-size: 0.85rem;
    }

    .ct-card-footer {
        padding: var(--space-2) var(--space-3);
    }
}

/* ==========================================================================
   ACCESSIBILITY - REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .ct-card {
        transition: none !important;
    }

    .ct-card:hover {
        transform: none !important;
    }

    .ct-live-dot {
        animation: none !important;
    }

    .ct-photo img {
        transition: none;
    }

    .ct-load-more,
    .ct-load-more span,
    .ct-post-btn {
        transition: none !important;
    }
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
    .community-talk {
        box-shadow: none;
        border: 1px solid #ccc;
    }

    .ct-header::before {
        display: none;
    }

    .ct-post-btn,
    .ct-load-more {
        display: none;
    }
}