:root{--bg:#f7f7f9;--card:#fff;--border:#e5e7eb;--text:#111827;--muted:#6b7280;--danger:#b91c1c;--ok:#047857;}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans TC,Arial,sans-serif;color:var(--text);background:var(--bg);}
header{background:#111827;color:#fff;padding:14px 16px;display:flex;gap:10px;align-items:center;justify-content:space-between;}
header .title{font-weight:700}
header .role{font-size:13px;opacity:.9}
nav{display:flex;gap:8px;flex-wrap:wrap;padding:10px 16px;background:#fff;border-bottom:1px solid var(--border);}
nav button{border:1px solid var(--border);background:#fff;padding:8px 10px;border-radius:10px;cursor:pointer}
nav button.active{background:#111827;color:#fff;border-color:#111827}
main{padding:16px;max-width:1100px;margin:0 auto}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px;margin-bottom:12px;box-shadow:0 1px 0 rgba(0,0,0,.02)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
input,select,textarea{border:1px solid var(--border);border-radius:10px;padding:10px;background:#fff;min-height:40px}
textarea{min-height:90px}
button.primary{background:#111827;color:#fff;border:1px solid #111827;border-radius:10px;padding:10px 12px;cursor:pointer}
button.ghost{background:#fff;color:#111827;border:1px solid var(--border);border-radius:10px;padding:10px 12px;cursor:pointer}
.small{font-size:12px;color:var(--muted)}
.badge{display:inline-block;padding:3px 8px;border-radius:999px;border:1px solid var(--border);font-size:12px}
.badge.ok{color:var(--ok);border-color:#a7f3d0;background:#ecfdf5}
.badge.danger{color:var(--danger);border-color:#fecaca;background:#fef2f2}
table{width:100%;border-collapse:collapse}
th,td{border-bottom:1px solid var(--border);padding:8px;text-align:left;font-size:14px;vertical-align:top}
th{color:var(--muted);font-weight:600}
tr:hover{background:#fafafa}
.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.kpi .item{border:1px solid var(--border);background:#fff;border-radius:14px;padding:12px}
.kpi .num{font-size:22px;font-weight:800}
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);display:none;align-items:center;justify-content:center;padding:16px}
.modal{background:#fff;border-radius:16px;max-width:520px;width:100%;padding:16px;border:1px solid var(--border)}
.modal h3{margin:0 0 8px}
.modal .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px;margin-top:10px}
.modal button{width:100%}
#reader{width:320px}
@media print{
  header,nav,#view-switcher,.no-print{display:none !important}
  body{background:#fff}
  main{max-width:none;padding:0}
  .card{border:none;box-shadow:none}
  .qr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
  .qr-item{border:1px solid #ddd;border-radius:10px;padding:10px;break-inside:avoid}
}