:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --danger-color: #ef4444;
    --danger-hover: #dc2626;
    --warning-color: #f59e0b;
    --warning-hover: #d97706;
    --success-color: #10b981;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    background-image: radial-gradient(circle at top right, #1e1b4b, #0f172a);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hidden {
    display: none !important;
}

/* Glassmorphism utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Login */
#login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    width: 100%;
}

.login-box {
    padding: 40px;
    width: 100%;
    max-width: 400px;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.5s ease-out;
}

.login-box h2 {
    margin-bottom: 24px;
    text-align: center;
    font-size: 24px;
    font-weight: 600;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.input-group input {
    width: 100%;
    padding: 12px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* Buttons */
.btn {
    width: 100%;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    color: white;
}

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

.btn-danger { background-color: var(--danger-color); }
.btn-danger:hover { background-color: var(--danger-hover); }

.btn-warning { background-color: var(--warning-color); }
.btn-warning:hover { background-color: var(--warning-hover); }

.error-msg {
    color: var(--danger-color);
    font-size: 14px;
    margin-bottom: 16px;
    text-align: center;
}

/* Dashboard */
.glass-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 32px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

.header-actions {
    display: flex;
    gap: 16px;
}

.header-actions .btn {
    width: auto;
    padding: 8px 16px;
    font-size: 14px;
}

.dashboard-content {
    padding: 32px;
    flex: 1;
}

.channels-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 24px;
}

.channel-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    transition: transform 0.3s;
}

.channel-card:hover {
    transform: translateY(-4px);
}

.channel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.channel-title {
    font-size: 18px;
    font-weight: 600;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.status-online {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.status-offline {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.video-container {
    width: 100%;
    aspect-ratio: 16/9;
    background: #000;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 16px;
}

video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.channel-actions {
    display: flex;
    gap: 12px;
}

.channel-actions .btn {
    flex: 1;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .channels-grid {
        grid-template-columns: 1fr;
    }
    .glass-header {
        flex-direction: column;
        gap: 16px;
    }
}