:root {
    /* 60/30/10 Rule */
    --bg-primary: #121212;       /* 60% Main Background */
    --bg-secondary: #1e1e1e;     /* 30% Cards/Sidebar */
    --accent-color: #D32F2F;     /* 10% Action/Highlight (Red) */
    
    --text-main: #e0e0e0;
    --text-muted: #a0a0a0;
    --border-color: #333333;
    --hover-overlay: rgba(255, 255, 255, 0.1);
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 40px;

    --container-width: 1400px;
    --header-height: 60px;
    --topbar-height: 30px;
}

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.5;
    font-size: 14px;
}

a {
    color: var(--text-main);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-color);
}

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

/* Layout Containers */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.main-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
}

@media (max-width: 1024px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
}

/* Top Navigation Bar */
.top-nav {
    background-color: #000;
    height: var(--topbar-height);
    font-size: 12px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
}

.top-nav .container {
    display: flex;
    justify-content: flex-end;
    width: 100%;
    gap: var(--spacing-md);
}

.top-nav a {
    color: var(--text-muted);
    font-weight: 500;
}

.top-nav a:hover {
    color: #fff;
    text-decoration: underline;
}

/* Main Header */
.main-header {
    background-color: var(--bg-secondary);
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.logo {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.logo span {
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-menu a {
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    padding: var(--spacing-sm) 0;
    border-bottom: 2px solid transparent;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
}

.search-bar {
    position: relative;
    width: 300px;
}

.search-bar input {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: #fff;
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 14px;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.mobile-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: var(--spacing-md);
        border-bottom: 1px solid var(--border-color);
    }
    .nav-menu.open {
        display: flex;
    }
    .search-bar {
        display: none; /* Simplify mobile header */
    }
    .mobile-toggle {
        display: block;
    }
    .header-inner {
        justify-content: space-between;
    }
}

/* Video Grid */
.section-title {
    font-size: 20px;
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--accent-color);
    padding-left: var(--spacing-sm);
    color: #fff;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 1200px) {
    .video-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
}

.video-card {
    background-color: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    transition: transform 0.2s;
}

.video-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.thumb-wrapper {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background-color: #1e1e1e;
}

.thumb-wrapper img {
    width: 100%;
    object-fit: cover;
    display: block;
}

.duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0,0,0,0.8);
    color: #fff;
    font-size: 11px;
    padding: 2px 4px;
    border-radius: 2px;
    font-weight: bold;
}

.card-info {
    padding: var(--spacing-sm);
}

.card-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: #fff;
    display: block;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.card-tags a {
    font-size: 11px;
    background: #333;
    padding: 2px 6px;
    border-radius: 2px;
    color: #ccc;
    margin-right: 4px;
}

.card-tags a:hover {
    background: var(--accent-color);
    color: #fff;
}

/* Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.category-list {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: 4px;
}

.category-list li {
    border-bottom: 1px solid var(--border-color);
}

.category-list li:last-child {
    border-bottom: none;
}

.category-list a {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    color: var(--text-main);
}

.category-list span.count {
    color: var(--text-muted);
    font-size: 12px;
    background: #000;
    padding: 2px 6px;
    border-radius: 10px;
}

/* Ad/Promo Spaces */
.sponsor-block {
    background-color: #222;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #444;
    font-weight: bold;
    text-transform: uppercase;
    border: 1px dashed #333;
    overflow: hidden;
}

.promo-sidebar {
    width: 300px;
    height: 250px;
    margin: 0 auto;
}

.promo-full {
    width: 100%;
    height: 90px;
    margin: var(--spacing-lg) 0;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin: var(--spacing-xl) 0;
}

.pagination a {
    background: var(--bg-secondary);
    color: var(--text-main);
    padding: 8px 14px;
    border-radius: 4px;
    font-weight: 600;
}

.pagination a:hover, .pagination a.active {
    background: var(--accent-color);
    color: #fff;
}

/* Partner Section */
.partners-section {
    margin: var(--spacing-xl) 0;
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .partner-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.partner-card {
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    text-align: center;
    border-radius: 4px;
    border: 1px solid transparent;
}

.partner-card:hover {
    border-color: var(--accent-color);
}

.partner-card h3 {
    font-size: 16px;
    margin: 8px 0;
    color: #fff;
}

.partner-card p {
    font-size: 12px;
    color: var(--text-muted);
}

/* Footer */
.main-footer {
    background: #000;
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-content {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a:hover {
    color: #fff;
}

/* Single Video Page */
.video-wrapper {
    width: 100%;
    background: #000;
    margin-bottom: var(--spacing-md);
    position: relative;
}

/* Custom Player CSS */
.custom-player {
    width: 100%;
    max-width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    position: relative;
    overflow: hidden;
}

.custom-player video {
    width: 100%;
    height: 100%;
    display: block;
}

.video-info h1 {
    font-size: 22px;
    margin-bottom: var(--spacing-sm);
    color: #fff;
}

.meta-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-md);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: var(--spacing-sm);
}

.tag-btn {
    background: var(--bg-secondary);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
}

.tag-btn:hover {
    background: #333;
}

/* Categories Page */
.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.category-card {
    background: var(--bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.category-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.category-card:hover img {
    opacity: 1;
}

.cat-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.9), transparent);
    padding: var(--spacing-md);
}

.cat-title {
    color: #fff;
    font-weight: bold;
    font-size: 16px;
    display: block;
}

.cat-count {
    color: var(--accent-color);
    font-size: 12px;
    font-weight: bold;
}

.seo-text-block {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: 4px;
    color: var(--text-muted);
}

.seo-text-block h2 {
    color: #fff;
    font-size: 18px;
    margin-bottom: var(--spacing-md);
}

.seo-text-block p {
    margin-bottom: var(--spacing-md);
}

.seo-text-block a {
    color: var(--accent-color);
    text-decoration: underline;
}