:root {
    --primary: #2563eb;
    --dark: #0f172a;
    --light-bg: #f8fafc;
    --border: #e2e8f0;
    --success: #10b981;
    --danger: #ef4444;
}

body { font-family: 'Inter', sans-serif; background: var(--light-bg); color: #1e293b; margin: 0; display: flex; }

.sidebar { width: 260px; background: var(--dark); color: white; height: 100vh; position: fixed; }
.sidebar-brand { padding: 24px; font-size: 1.2rem; font-weight: 800; border-bottom: 1px solid #1e293b; }
.nav-item { padding: 12px 24px; display: block; color: #94a3b8; text-decoration: none; font-weight: 500; }
.nav-item.active { background: #1e293b; color: white; border-left: 4px solid var(--primary); }

.main-content { margin-left: 260px; flex: 1; padding: 40px; }

.card { background: white; border-radius: 12px; border: 1px solid var(--border); box-shadow: 0 1px 3px rgba(0,0,0,0.1); margin-bottom: 24px; overflow: hidden; }

.booking-header { display: grid; grid-template-columns: 1.5fr 2fr 1fr 1fr 1fr 1fr; padding: 16px 24px; align-items: center; border-bottom: 1px solid var(--border); font-weight: 600; }
.booking-header:hover { background: #f1f5f9; cursor: pointer; }

.items-container { display: none; background: #ffffff; border-left: 4px solid var(--primary); }
.item-row { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; padding: 16px 40px; border-bottom: 1px solid #f1f5f9; }

.badge { padding: 4px 12px; border-radius: 20px; font-size: 11px; font-weight: 700; text-transform: uppercase; }
.badge-paid { background: #dcfce7; color: #166534; }

.pax-chip { background: #f1f5f9; padding: 2px 8px; border-radius: 6px; font-size: 11px; color: #64748b; }