:root{--bg: #f5f6fa;--card: #fff;--text: #1f2430;--muted: #6b7280;--primary: #4f46e5;--danger: #dc2626;--ok: #16a34a;--border: #e5e7eb}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary)}button{font:inherit;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--card);cursor:pointer}button:hover:not(:disabled){border-color:var(--primary)}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--primary);color:#fff;border-color:var(--primary)}button.danger-btn{color:var(--danger)}button.active{border-color:var(--primary);color:var(--primary)}input{font:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:8px;width:100%}.nav{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1}.nav nav,.nav .user{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.brand{font-size:1.2rem;color:var(--primary)}main{max-width:1000px;margin:0 auto;padding:20px 16px 48px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.card,.panel{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}.card h3{margin:0 0 4px}.card button{width:100%}.panel{margin-bottom:16px}.muted{color:var(--muted);font-size:.9rem}.price{font-weight:700;font-size:1.1rem;margin:8px 0 0}.danger{color:var(--danger)}.total{font-weight:700;text-align:right}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--border)}td input{width:80px}.order-head{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:8px}.badge{padding:2px 10px;border-radius:999px;font-size:.8rem;font-weight:700;color:#fff}.badge.PENDING{background:#d97706}.badge.PAID{background:var(--ok)}.badge.CANCELLED{background:var(--muted)}.actions{display:flex;gap:8px;flex-wrap:wrap}.auth{max-width:380px;margin:0 auto;display:flex;flex-direction:column;gap:12px}.auth label{display:flex;flex-direction:column;gap:4px;font-size:.9rem}.notice{padding:10px 14px;border-radius:8px;margin-bottom:16px;color:#fff}.notice.ok{background:var(--ok)}.notice.error{background:var(--danger)}@media (max-width: 600px){thead{display:none}tr{display:block;border-bottom:1px solid var(--border);padding:6px 0}td{display:flex;justify-content:space-between;border:0;padding:4px 8px}td[data-label]:before{content:attr(data-label);color:var(--muted)}}