html,body,#root{height:100%;margin:0;font-family:system-ui,Arial,sans-serif}.container{max-width:1200px;margin:0 auto;padding:16px}.table{width:100%;border-collapse:collapse}.table th,.table td{border:1px solid #ddd;padding:8px}.table th{background:#f6f6f6;text-align:left}.btn{padding:8px 12px;border:0;cursor:pointer}.btn-primary{background:#2563eb;color:#fff}.input{padding:8px;border:1px solid #ccc;border-radius:6px}