/* Main Stylesheet */
:root {
    --primary-bg: #0f172a;
    --secondary-bg: #1e293b;
    --card-bg: #334155;
    --accent-purple: #8b5cf6;
    --accent-blue: #3b82f6;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --border-color: #475569;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s;
}

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

/* Header */
.site-header {
    background-color: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0 20px;
}

.header-inner {
    max-width: 1400px;
    margin: 0 auto;
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-purple);
    background: linear-gradient(to right, var(--accent-purple), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-nav {
    display: flex;
    gap: 20px;
}

.main-nav a {
    font-weight: 500;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

.grid-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    /* Main content + Sidebar */
    gap: 30px;
}

/* Video Grid */
.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.video-card {
    background-color: var(--secondary-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s;
}

.video-card:hover {
    transform: translateY(-5px);
}

.thumbnail-wrap {
    position: relative;
    padding-top: 56.25%;
    /* 16:9 */
    background: #000;
}

.thumbnail-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.duration {
    position: absolute;
    bottom: 8px;
    right: 8px;
    background: rgba(0, 0, 0, 0.8);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.video-info {
    padding: 12px;
}

.video-title {
    margin: 0 0 8px 0;
    font-size: 1rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.video-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

/* Player Page */
.video-player-container {
    background: #000;
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
}

.video-player-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
}

.video-player-wrapper iframe,
.video-player-wrapper video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-header h1 {
    font-size: 1.5rem;
    margin: 0 0 10px 0;
}

.video-stats {
    display: flex;
    gap: 20px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    margin-bottom: 20px;
}

/* Sidebar */
.sidebar-section {
    margin-bottom: 30px;
}

.ad-container {
    margin-bottom: 20px;
    text-align: center;
    overflow: hidden;
}

/* Footer */
.site-footer {
    background-color: var(--secondary-bg);
    padding: 40px 0;
    margin-top: 50px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-purple);
    color: white;
}

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

    .mobile-menu-btn {
        display: block;
    }

    .main-nav {
        display: none;
        /* Add JS to toggle */
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--secondary-bg);
        flex-direction: column;
        padding: 20px;
        box-sizing: border-box;
    }

    .main-nav.active {
        display: flex;
    }
}