:root {
    --sidebar-width: 230px;
    --brand: #2f5eff;
}

body {
    background: #f4f6fb;
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
}

.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: #1a1d29;
    color: #fff;
    position: sticky;
    top: 0;
}

.sidebar-brand {
    padding: 20px 16px;
    font-size: 1.1rem;
    font-weight: 600;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.sidebar .nav-link {
    color: #b6bac9;
    padding: 12px 20px;
    border-left: 3px solid transparent;
}

.sidebar .nav-link i {
    width: 22px;
}

.sidebar .nav-link:hover {
    background: rgba(255,255,255,0.05);
    color: #fff;
}

.sidebar .nav-link.active {
    background: rgba(47,94,255,0.15);
    color: #fff;
    border-left-color: var(--brand);
}

.content {
    flex: 1;
    min-width: 0;
}

.topbar {
    background: #fff;
    padding: 14px 24px;
    border-bottom: 1px solid #e6e8f0;
}

.page-body {
    padding: 24px;
}

.stat-card {
    background: #fff;
    border-radius: 10px;
    padding: 18px 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    height: 100%;
}

.stat-card .stat-icon {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: #fff;
}

.stat-card .stat-value {
    font-size: 1.6rem;
    font-weight: 700;
}

.card-table {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
    padding: 20px;
}

.badge-status-booked { background: #6c757d; }
.badge-status-checked_in { background: #198754; }
.badge-status-checked_out { background: #0d6efd; }
.badge-status-cancelled { background: #dc3545; }

table.table thead th {
    white-space: nowrap;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: #6b7280;
    border-bottom-width: 1px;
}