.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: relative;
    z-index: 100;
    transition: transform var(--transition-normal);
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    text-align: center;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.logo-icon {
    font-size: 1.8rem;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 4px;
    display: block;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    font-weight: 500;
    font-size: 0.9rem;
}

.nav-item:hover {
    background: var(--primary-subtle);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--primary-subtle);
    color: var(--primary-light);
    border-left-color: var(--primary);
}

.nav-icon {
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.nav-label {
    white-space: nowrap;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
}

.admin-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.admin-badge.active {
    background: var(--success-subtle);
    color: var(--success);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: background var(--transition-fast);
}

.admin-badge.active .badge-dot {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s infinite;
}

.sidebar-credit {
    margin-top: 12px;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    padding: 8px;
    border-top: 1px solid var(--border-color);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

.topbar {
    height: var(--topbar-height);
    min-height: var(--topbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 4px;
}

.topbar-title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
}

.topbar-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 12px;
}

.stream-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-dot.online {
    background: var(--success);
    box-shadow: 0 0 8px var(--success);
    animation: pulse 2s infinite;
}

.status-dot.offline {
    background: var(--text-muted);
}

.page-content {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}