:root {
    --bg-primary: #020617;
    --bg-secondary: #0f172a;
    --bg-tertiary: #1e293b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.4);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-bg: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --radius: 12px;
    --sidebar-width: 260px;
    --shadow-premium: 0 10px 30px -5px rgba(0, 0, 0, 0.5);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
.glass-header {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.shortcut-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.shortcut-btn:hover,
.shortcut-btn.active {
    background: var(--accent);
    border-color: var(--accent);
}

/* Hero */
.hero-section {
    padding: 5rem 0;
    text-align: center;
    background: radial-gradient(circle at 50% 50%, #1d4ed822 0%, transparent 70%);
}

/* Grid & Cards */
.channel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 2rem 0;
}

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: var(--shadow-premium);
}

.card img {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: contain;
    background: #000;
    border-radius: calc(var(--radius) - 4px);
}

/* Forms & Buttons */
.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    text-align: center;
}

.btn-primary:hover {
    background: var(--accent-hover);
}

/* Player Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.modal-content {
    width: 100%;
    max-width: 1100px;
    aspect-ratio: 16/9;
    background: black;
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 0 50px rgba(0, 0, 0, 1);
}

video {
    width: 100%;
    height: 100%;
}

/* ADMIN STYLES */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--glass-border);
    position: fixed;
    height: 100vh;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    z-index: 100;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1.2rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius);
    transition: all 0.3s ease;
    font-weight: 500;
}

.admin-nav-item:hover,
.admin-nav-item.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
}

.admin-nav-item i {
    font-size: 1.1rem;
    width: 20px;
}

.admin-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2.5rem;
}

/* Table styles for Admin */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    overflow: hidden;
}

.admin-table th,
.admin-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.admin-table th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.admin-table tr:last-child td {
    border-bottom: none;
}

/* Responsive Admin */
@media (max-width: 768px) {
    .admin-sidebar {
        width: 70px;
        padding: 2rem 0.5rem;
    }

    .admin-sidebar .logo span:last-child,
    .admin-nav-item span {
        display: none;
    }

    .admin-main {
        margin-left: 70px;
        padding: 1.5rem;
    }
}