:root {
  --ink:#172033;
  --muted:#657086;
  --line:#dfe6ee;
  --bg:#f6f8fb;
  --panel:#ffffff;
  --brand:#0f766e;
  --accent:#2563eb;
  --ok:#16803c;
  --warn:#b7791f;
  --danger:#c53030;
  --gray:#6b7280;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;font-size:16px}
a{color:inherit;text-decoration:none}
.topbar{position:sticky;top:0;z-index:2;background:#fff;border-bottom:1px solid var(--line);padding:10px 12px}
.brand{display:block;font-weight:800;font-size:20px;color:var(--brand);margin-bottom:8px}
.topbar nav{display:flex;gap:6px;overflow-x:auto;padding-bottom:2px}
.topbar nav a{white-space:nowrap;background:#eef7f5;color:#0f5f59;border:1px solid #cce7e2;border-radius:8px;padding:9px 12px;font-weight:700}
.wrap{width:min(960px,100%);margin:0 auto;padding:14px 12px 28px}
.hero h1{font-size:27px;line-height:1.2;margin:8px 0 6px}
.sub{color:var(--muted);margin:0 0 14px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.stats .card{padding:14px}
.num{display:block;font-size:30px;font-weight:900;line-height:1;color:var(--brand)}
.label{display:block;color:var(--muted);margin-top:7px}
.card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px;margin:12px 0;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.mini-panel{background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:12px;margin:12px 0}
.mode-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}
.mode{min-height:58px;border:2px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-size:18px;font-weight:900}
.mode input{display:none}
.mode span{display:flex;align-items:center;justify-content:center;height:100%;padding:14px;text-align:center}
.mode input:checked+span{background:#e7f6f3;border-color:var(--brand);color:#07534e}
input,select,textarea{width:100%;border:1px solid #cbd5e1;border-radius:8px;padding:13px 12px;font-size:17px;background:#fff;color:var(--ink)}
textarea{min-height:86px;resize:vertical}
.scan-input{font-size:22px;font-weight:800;letter-spacing:0;border:2px solid var(--brand);padding:17px 14px}
.row{display:flex;gap:10px;align-items:center}
.row>*{flex:1}
.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;background:var(--accent);color:#fff;font-weight:900;font-size:17px;min-height:48px;padding:12px 16px;cursor:pointer;text-align:center}
.btn.full{width:100%}
.btn.ok{background:var(--ok)}
.btn.warn{background:var(--warn)}
.btn.danger{background:var(--danger)}
.btn.gray{background:var(--gray)}
.btn.light{background:#e8eef7;color:#1f365d}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.actions form{display:inline-flex;flex:0 1 auto}
.actions .btn{min-width:112px}
.inline-edit{display:grid;grid-template-columns:1fr 1fr auto}
.checkline{display:flex;align-items:center;gap:8px;background:#f8fafc;border:1px solid var(--line);border-radius:8px;padding:11px 12px;margin:10px 0}
.checkline input{width:auto}
.badge{display:inline-flex;border-radius:999px;padding:5px 9px;font-weight:800;font-size:13px}
.badge.ok{background:#dcfce7;color:#166534}
.badge.warn{background:#fef3c7;color:#92400e}
.badge.danger{background:#fee2e2;color:#991b1b}
.badge.muted{background:#e5e7eb;color:#374151}
.badge.primary{background:#dbeafe;color:#1d4ed8}
.alert{border-radius:8px;padding:13px 14px;margin:12px 0;font-weight:800}
.alert.ok{background:#dcfce7;color:#166534}
.alert.warn{background:#fef3c7;color:#92400e}
.alert.danger{background:#fee2e2;color:#991b1b}
.list{display:grid;gap:10px}
.item{background:#fff;border:1px solid var(--line);border-radius:8px;padding:13px}
.item h3{font-size:18px;margin:0 0 7px;word-break:break-all}
.meta{display:grid;gap:6px;color:#4b5563}
.meta div{display:flex;justify-content:space-between;gap:12px;border-top:1px dashed #e5e7eb;padding-top:6px}
.meta span:first-child{color:#7b8494;flex:0 0 auto}
.meta span:last-child{text-align:right;word-break:break-all}
.section-title{font-size:20px;margin:18px 0 8px}
.footer{color:var(--muted);text-align:center;padding:24px 0 4px;display:grid;gap:4px}
.public{min-height:100vh;background:#f7fbfa}
.public-box{max-width:620px;margin:0 auto;padding:24px 12px}
.public-title{font-size:28px;margin:10px 0;color:#0f5f59}
.sound{position:absolute;left:-9999px}
.modal-alert{position:fixed;inset:0;background:rgba(127,29,29,.82);z-index:20;display:none;align-items:center;justify-content:center;padding:18px}
.modal-alert.show{display:flex}
.modal-alert-box{width:min(620px,100%);background:#fff;border:5px solid #dc2626;border-radius:10px;padding:22px 16px;text-align:center;box-shadow:0 24px 70px rgba(0,0,0,.45)}
.modal-kicker{display:inline-block;background:#dc2626;color:#fff;border-radius:999px;padding:8px 16px;font-size:18px;font-weight:900;margin-bottom:12px}
.modal-title{font-size:38px;line-height:1.12;font-weight:900;color:#991b1b;margin:6px 0}
.modal-code{font-size:24px;line-height:1.25;font-weight:900;word-break:break-all;background:#fee2e2;color:#7f1d1d;border-radius:8px;padding:12px;margin:14px 0}
.modal-days{font-size:32px;line-height:1.15;font-weight:900;color:#111827;margin:12px 0 18px}
.modal-note{font-size:18px;font-weight:800;color:#374151;margin:8px 0}
.camera-input-wrap{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:stretch}
.camera-input-wrap input{min-width:0}
.camera-scan-btn{background:#7c3aed;white-space:nowrap;min-width:108px}
.camera-modal{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;background:rgba(15,23,42,.78);padding:14px}
.camera-modal.show{display:flex}
.camera-box{width:min(680px,100%);background:#fff;border-radius:10px;border:1px solid #cbd5e1;padding:12px;box-shadow:0 24px 80px rgba(0,0,0,.35)}
.camera-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;font-size:18px;color:#111827}
.camera-head button{border:0;border-radius:8px;background:#e5e7eb;color:#111827;font-weight:900;padding:8px 12px}
.camera-view{position:relative;overflow:hidden;border-radius:10px;background:#020617;aspect-ratio:3/4}
.camera-view video{width:100%;height:100%;object-fit:cover;display:block}
.scan-frame{position:absolute;left:9%;right:9%;top:34%;height:26%;border:4px solid #22c55e;border-radius:10px;box-shadow:0 0 0 999px rgba(0,0,0,.28),0 0 24px rgba(34,197,94,.55)}
.camera-tip{margin:10px 0 0;background:#ecfeff;color:#155e75;border:1px solid #a5f3fc;border-radius:8px;padding:11px 12px;font-weight:800;line-height:1.5}
.camera-tip.danger{background:#fee2e2;color:#991b1b;border-color:#fecaca}
.camera-actions{display:flex;gap:8px;margin-top:10px}
@media (max-width:520px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mode-grid{grid-template-columns:1fr}
  .row{display:grid}
  .inline-edit{grid-template-columns:1fr}
  .actions .btn,.actions form{width:100%}
  .topbar nav a{font-size:15px;padding:8px 10px}
  .hero h1{font-size:25px}
  .num{font-size:27px}
  .modal-title{font-size:34px}
  .modal-code{font-size:21px}
  .modal-days{font-size:28px}
  .camera-input-wrap{grid-template-columns:1fr}
  .camera-scan-btn{width:100%;min-height:48px}
  .camera-view{aspect-ratio:10/13}
}