/**
 * Tately Pinterest-Style Masonry Grid
 *
 * Clean, angular cards with true masonry layout and infinite scroll
 */

/* ==========================================================================
   CSS Variables for Grid
   ========================================================================== */
:root {
    --masonry-gap: 16px;
    --masonry-columns: 4;
    --card-bg: rgba(17, 17, 17, 0.8);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-border-hover: rgba(212, 175, 55, 0.3);
}

/* ==========================================================================
   Masonry Container - CSS Columns for true Pinterest layout
   ========================================================================== */
.masonry-grid {
    column-count: var(--masonry-columns);
    column-gap: var(--masonry-gap);
    padding: 0;
}

/* Prevent column breaks inside cards */
.masonry-card {
    break-inside: avoid;
    margin-bottom: var(--masonry-gap);
    display: block;
}

/* ==========================================================================
   Card Base - Sharp, Angular Design with Glassmorphism
   ========================================================================== */
.masonry-card {
    position: relative;
    background: var(--bg-glass, rgba(10, 10, 10, 0.85));
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 2px solid var(--white-border, rgba(255, 255, 255, 0.1));
    overflow: hidden;
    transition: transform var(--duration-normal, 0.3s) var(--easing-smooth, ease),
                border-color var(--duration-normal, 0.3s) var(--easing-smooth, ease),
                box-shadow var(--duration-normal, 0.3s) var(--easing-smooth, ease);

    /* HARD EDGES - Masculine design */
    border-radius: 0;
}

.masonry-card:hover {
    transform: translateY(-5px);
    border-color: var(--gold-border, rgba(212, 175, 55, 0.2));
    box-shadow: var(--shadow-lg, 0 10px 40px rgba(0, 0, 0, 0.5)),
                0 0 30px rgba(212, 175, 55, 0.1);
}

/* Fallback for browsers without backdrop-filter */
@supports not (backdrop-filter: blur(12px)) {
    .masonry-card {
        background: rgba(17, 17, 17, 0.95);
    }
}

/* Card link wrapper */
.masonry-card a.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

/* ==========================================================================
   Content Type Badge - Distinguish quotes, news, posts
   ========================================================================== */
.card-type-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 5;
    font-size: 1rem;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-type-quote {
    color: var(--gold);
    font-family: Georgia, serif;
    font-size: 1.25rem;
    font-weight: 700;
}

.card-type-news {
    font-size: 0.875rem;
}

/* ==========================================================================
   Card Image
   ========================================================================== */
.masonry-card .card-image {
    position: relative;
    overflow: hidden;
    background: rgba(30, 30, 30, 0.5);
}

.masonry-card .card-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

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

/* Gradient overlay */
.masonry-card .card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, transparent 100%);
    pointer-events: none;
}

/* ==========================================================================
   Card Content
   ========================================================================== */
.masonry-card .card-content {
    padding: 20px;
}

.masonry-card .card-badge {
    display: inline-block;
    padding: 6px 14px;
    background: linear-gradient(90deg,
        var(--brand-gold-dark, #B8962E) 0%,
        var(--brand-gold, #D4AF37) 50%,
        var(--brand-gold-dark, #B8962E) 100%
    );
    color: #000;
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;

    /* HARD EDGES */
    border-radius: 0;
}

.masonry-card .card-title {
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.masonry-card .card-excerpt {
    font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.masonry-card .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.masonry-card .card-author {
    color: var(--gold);
    font-weight: 500;
}

.masonry-card .card-date {
    opacity: 0.7;
}

/* ==========================================================================
   Quote Card Variant
   ========================================================================== */
.masonry-card.card-quote {
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.08) 0%,
        rgba(17, 17, 17, 0.85) 100%
    );
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-left: 3px solid var(--brand-gold, #D4AF37);

    /* HARD EDGES - Masculine design */
    border-radius: 0;
}

.masonry-card.card-quote .quote-mark {
    font-size: 3.5rem;
    background: linear-gradient(135deg, var(--brand-gold, #D4AF37) 0%, var(--brand-gold-light, #F4D03F) 50%, var(--brand-gold, #D4AF37) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    font-family: Georgia, serif;
    margin-bottom: 8px;
    animation: goldShimmer 3s linear infinite;
    background-size: 200% auto;
}

@keyframes goldShimmer {
    to { background-position: 200% center; }
}

.masonry-card.card-quote .quote-text {
    font-family: var(--font-body, 'Plus Jakarta Sans', sans-serif);
    font-size: 1.1rem;
    font-weight: 500;
    font-style: italic;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.masonry-card.card-quote .quote-author {
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-gold, #D4AF37);
    display: flex;
    align-items: center;
    gap: 8px;
}

.masonry-card.card-quote .quote-author::before {
    content: '';
    width: 20px;
    height: 2px;
    background: var(--brand-gold, #D4AF37);
}

/* ==========================================================================
   Tweet Card Variant (integrated into grid)
   ========================================================================== */
.masonry-card.card-tweet {
    background: linear-gradient(135deg,
        rgba(29, 161, 242, 0.05) 0%,
        rgba(17, 17, 17, 0.85) 100%
    );
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-left: 3px solid #1DA1F2;

    /* HARD EDGES - Masculine design */
    border-radius: 0;
}

.masonry-card.card-tweet .tweet-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.masonry-card.card-tweet .tweet-author {
    display: flex;
    flex-direction: column;
}

.masonry-card.card-tweet .tweet-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.masonry-card.card-tweet .tweet-handle {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.masonry-card.card-tweet .tweet-icon {
    color: #1DA1F2;
}

.masonry-card.card-tweet .tweet-icon svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.masonry-card.card-tweet .tweet-text {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.masonry-card.card-tweet .tweet-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
}

/* ==========================================================================
   Featured Card (larger)
   ========================================================================== */
.masonry-card.card-featured {
    background: linear-gradient(
        135deg,
        rgba(30, 30, 30, 0.9) 0%,
        rgba(17, 17, 17, 0.95) 100%
    );
    backdrop-filter: blur(12px) saturate(200%);
    -webkit-backdrop-filter: blur(12px) saturate(200%);
    border-bottom: 3px solid var(--brand-gold, #D4AF37);

    /* HARD EDGES - Masculine design */
    border-radius: 0;
}

.masonry-card.card-featured .card-title {
    font-family: var(--font-display, 'Space Grotesk', sans-serif);
    font-size: 1.25rem;
    background: linear-gradient(135deg, var(--brand-gold, #D4AF37) 0%, var(--brand-gold-light, #F4D03F) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.masonry-card.card-featured .card-excerpt {
    -webkit-line-clamp: 5;
}

/* ==========================================================================
   Insight Card Variant
   ========================================================================== */
.masonry-card.card-insight {
    border-top: 3px solid var(--gold);
}

.masonry-card.card-insight .insight-icon {
    width: 40px;
    height: 40px;
    background: rgba(212, 175, 55, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--gold);
}

/* ==========================================================================
   Loading States
   ========================================================================== */
.masonry-card.is-loading {
    animation: cardPulse 1.5s ease-in-out infinite;
}

@keyframes cardPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Skeleton card for loading */
.masonry-card.skeleton {
    min-height: 200px;
    background: linear-gradient(
        90deg,
        rgba(30, 30, 30, 0.8) 0%,
        rgba(50, 50, 50, 0.8) 50%,
        rgba(30, 30, 30, 0.8) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 1.5s ease-in-out infinite;
}

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

/* ==========================================================================
   Infinite Scroll Loading Indicator
   ========================================================================== */
.infinite-scroll-loader {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
    gap: 8px;
}

.infinite-scroll-loader .dot {
    width: 10px;
    height: 10px;
    background: var(--brand-gold, #D4AF37);
    border-radius: 50%;
    animation: loaderBounce 1.4s ease-in-out infinite both;
}

.infinite-scroll-loader .dot:nth-child(1) { animation-delay: -0.32s; }
.infinite-scroll-loader .dot:nth-child(2) { animation-delay: -0.16s; }
.infinite-scroll-loader .dot:nth-child(3) { animation-delay: 0s; }

@keyframes loaderBounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.infinite-scroll-end {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

/* Large Desktop */
@media (min-width: 1400px) {
    :root {
        --masonry-columns: 5;
    }
}

/* Desktop */
@media (max-width: 1200px) {
    :root {
        --masonry-columns: 4;
    }
}

/* Tablet Landscape */
@media (max-width: 1024px) {
    :root {
        --masonry-columns: 3;
        --masonry-gap: 14px;
    }
}

/* Tablet Portrait */
@media (max-width: 768px) {
    :root {
        --masonry-columns: 2;
        --masonry-gap: 12px;
    }

    .masonry-card .card-content {
        padding: 16px;
    }

    .masonry-card .card-title {
        font-size: 0.95rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    :root {
        --masonry-columns: 1;
        --masonry-gap: 12px;
    }

    .masonry-card .card-title {
        font-size: 1rem;
    }

    .masonry-card.card-quote .quote-text {
        font-size: 1rem;
    }
}

/* ==========================================================================
   Light Mode
   ========================================================================== */
[data-theme="light"] {
    --card-bg: rgba(255, 255, 255, 0.95);
    --card-border: rgba(0, 0, 0, 0.08);
    --card-border-hover: rgba(212, 175, 55, 0.4);
}

[data-theme="light"] .masonry-card {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .masonry-card:hover {
    border-color: rgba(212, 175, 55, 0.4);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12),
                0 0 30px rgba(212, 175, 55, 0.08);
}

[data-theme="light"] .masonry-card .card-title {
    color: #1A1A1A;
}

[data-theme="light"] .masonry-card .card-excerpt {
    color: #666666;
}

[data-theme="light"] .masonry-card .card-meta {
    border-top-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .masonry-card.card-quote {
    background: linear-gradient(
        135deg,
        rgba(212, 175, 55, 0.08) 0%,
        rgba(255, 255, 255, 0.95) 100%
    );
}

[data-theme="light"] .masonry-card.card-quote .quote-text {
    color: #1A1A1A;
}

[data-theme="light"] .masonry-card.card-tweet {
    background: linear-gradient(135deg,
        rgba(29, 161, 242, 0.05) 0%,
        rgba(255, 255, 255, 0.95) 100%
    );
}

[data-theme="light"] .masonry-card.card-tweet .tweet-text {
    color: #333333;
}

[data-theme="light"] .masonry-card.card-tweet .tweet-name {
    color: #1A1A1A;
}

[data-theme="light"] .masonry-card.card-featured {
    background: linear-gradient(
        135deg,
        rgba(245, 245, 245, 0.95) 0%,
        rgba(255, 255, 255, 0.98) 100%
    );
}

/* ==========================================================================
   Card Entry Animation
   ========================================================================== */
.masonry-card {
    opacity: 0;
    transform: translateY(20px);
    animation: cardFadeIn 0.4s ease forwards;
}

/* Stagger animation for initial load */
.masonry-card:nth-child(1) { animation-delay: 0ms; }
.masonry-card:nth-child(2) { animation-delay: 50ms; }
.masonry-card:nth-child(3) { animation-delay: 100ms; }
.masonry-card:nth-child(4) { animation-delay: 150ms; }
.masonry-card:nth-child(5) { animation-delay: 200ms; }
.masonry-card:nth-child(6) { animation-delay: 250ms; }
.masonry-card:nth-child(7) { animation-delay: 300ms; }
.masonry-card:nth-child(8) { animation-delay: 350ms; }
.masonry-card:nth-child(9) { animation-delay: 400ms; }
.masonry-card:nth-child(10) { animation-delay: 450ms; }
.masonry-card:nth-child(n+11) { animation-delay: 500ms; }

@keyframes cardFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* New cards loaded via infinite scroll */
.masonry-card.new-card {
    animation: cardSlideIn 0.5s ease forwards;
}

@keyframes cardSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}