/* ============================================
   TRENDING NOW - Viral & Popular Content Module
   ============================================ */

/* Section Container */
#trending-now-section {
    margin-bottom: calc(2.5rem * var(--ui-scale));
}

/* Section Title with Fire Animation */
#trending-now-section .section-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.trending-flame {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(239, 68, 68, 0.2));
    padding: 4px 12px;
    border-radius: 20px;
    font-size: var(--font-xs);
    color: var(--warm-gold);
    margin-left: var(--spacing-sm);
}

.trending-flame i {
    animation: flameFlicker 1.5s infinite;
}

@keyframes flameFlicker {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
        color: #EF4444;
    }
}

/* Trending Badge on Cards */
.trending-badge {
    background: linear-gradient(135deg, #F59E0B, #EF4444);
    color: white;
    font-weight: 700;
}

.trending-badge i {
    margin-right: 4px;
}

/* Trending Rank Indicator */
.trending-rank {
    position: absolute;
    top: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    z-index: 4;
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'Orbitron', monospace;
}

.trending-rank.top-1 {
    background: linear-gradient(135deg, #F59E0B, #EF4444);
    color: white;
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.5);
}

.trending-rank.top-2 {
    background: linear-gradient(135deg, #94A3B8, #64748B);
    color: white;
}

.trending-rank.top-3 {
    background: linear-gradient(135deg, #CD7F32, #B87333);
    color: white;
}

.trending-rank i {
    font-size: 12px;
}

/* Trending Score Indicator */
.trending-score {
    position: absolute;
    bottom: var(--spacing-xs);
    left: var(--spacing-xs);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 9px;
    font-weight: 600;
    z-index: 4;
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--warm-gold);
}

.trending-score i {
    font-size: 8px;
}

/* Velocity Indicator (Trending Speed) */
.velocity-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.5);
}

.velocity-up {
    color: #10B981;
}

.velocity-up i {
    animation: arrowUp 0.8s ease infinite;
}

@keyframes arrowUp {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-2px);
    }
}

.velocity-down {
    color: #EF4444;
}

.velocity-down i {
    animation: arrowDown 0.8s ease infinite;
}

@keyframes arrowDown {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(2px);
    }
}

.velocity-steady {
    color: var(--slate-grey);
}

/* Trending Card Enhancements */
#trending-grid .content-card {
    position: relative;
    transition: all 0.3s ease;
}

#trending-grid .content-card:hover {
    transform: translateY(calc(-0.5rem * var(--ui-scale)));
    box-shadow: 0 calc(1.25rem * var(--ui-scale)) calc(2.5rem * var(--ui-scale)) rgba(0, 0, 0, 0.4);
}

#trending-grid .content-card:hover .trending-rank {
    transform: scale(1.05);
}

/* Trending Section Stats */
.trending-stats-bar {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--card-radius);
    border: 1px solid var(--card-border);
    flex-wrap: wrap;
    justify-content: space-around;
}

.trending-stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.trending-stat-item i {
    color: var(--warm-gold);
    font-size: var(--icon-md);
}

.trending-stat-item .stat-value {
    font-size: var(--font-lg);
    font-weight: 700;
    color: var(--soft-white);
}

.trending-stat-item .stat-label {
    font-size: var(--font-xs);
    color: var(--slate-grey);
}

/* Time Period Selector */
.trending-time-selector {
    display: flex;
    gap: 8px;
    margin-left: auto;
}

.time-option {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--slate-grey);
}

.time-option:hover {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warm-gold);
}

.time-option.active {
    background: linear-gradient(135deg, var(--bantu-blue), var(--warm-gold));
    color: white;
    border-color: transparent;
}

/* Trending Graph Sparkline (on hover) */
.sparkline-container {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    transform: translateY(100%);
    transition: transform 0.3s ease;
    pointer-events: none;
    z-index: 5;
    padding: 8px;
}

.content-card:hover .sparkline-container {
    transform: translateY(0);
}

.sparkline {
    width: 100%;
    height: 24px;
}

/* Empty State */
#trending-grid .empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: calc(3rem * var(--ui-scale)) calc(1.5rem * var(--ui-scale));
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--card-radius);
}

#trending-grid .empty-state .empty-icon {
    font-size: calc(3rem * var(--ui-scale));
    color: var(--warm-gold);
    opacity: 0.5;
    margin-bottom: var(--spacing-md);
}

/* Loading Skeleton */
#trending-grid .skeleton-card .skeleton-thumbnail {
    position: relative;
}

#trending-grid .skeleton-card .skeleton-thumbnail::after {
    content: '🔥';
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 16px;
    opacity: 0.3;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .trending-stats-bar {
        gap: var(--spacing-sm);
        padding: var(--spacing-xs) var(--spacing-md);
    }
    
    .trending-stat-item {
        gap: 4px;
    }
    
    .trending-stat-item i {
        font-size: var(--icon-sm);
    }
    
    .trending-stat-item .stat-value {
        font-size: var(--font-base);
    }
    
    .trending-stat-item .stat-label {
        font-size: 9px;
    }
    
    .trending-rank {
        font-size: 10px;
        padding: 2px 8px;
    }
    
    .trending-flame {
        font-size: 9px;
        padding: 2px 8px;
    }
    
    .trending-time-selector {
        display: none;
    }
}

@media (max-width: 480px) {
    .trending-stats-bar {
        display: none;
    }
}

/* Light Theme */
.theme-light .trending-rank {
    background: rgba(255, 255, 255, 0.9);
    color: #1a1a1a;
}

.theme-light .trending-score {
    background: rgba(255, 255, 255, 0.9);
}

.theme-light .trending-stat-item .stat-value {
    color: #1a1a1a;
}

/* High Contrast Theme */
.theme-high-contrast .trending-rank {
    border: 1px solid var(--soft-white);
}

.theme-high-contrast .trending-rank.top-1 {
    background: #ff0000;
}

.theme-high-contrast .trending-rank.top-2 {
    background: #666666;
}

.theme-high-contrast .trending-rank.top-3 {
    background: #CD7F32;
}

/* Pulse Animation for Top Trending */
@keyframes trendingGlow {
    0% {
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(245, 158, 11, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0);
    }
}

.trending-pulse {
    animation: trendingGlow 2s ease-out;
}