:root{
  --bg:#f7f8fa; --panel:#fff; --line:#e4e6eb; --text:#16181d; --muted:#6b7280;
  --brand:#2563eb; --brand-ink:#fff; --brand-soft:#eff4ff;
  --ok:#0f7b4f; --ok-bg:#e7f6ee; --warn:#8a5a00; --warn-bg:#fdf3dd;
  --danger:#b4231f; --danger-bg:#fdeaea; --info:#1d4ed8; --info-bg:#eaf0ff;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#0f1115; --panel:#171a21; --line:#272b34; --text:#e8eaef; --muted:#9aa1ad;
    --brand:#5b8cff; --brand-ink:#0b1020; --brand-soft:#18213a;
    --ok:#5fd4a0; --ok-bg:#10281f; --warn:#e8bb63; --warn-bg:#2a2112;
    --danger:#ff8a84; --danger-bg:#2c1515; --info:#8fb0ff; --info-bg:#161d33;
    --shadow:0 1px 2px rgba(0,0,0,.4);
  }
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--text); line-height:1.6;
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-text-size-adjust:100%;
}
a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}

.topbar{background:var(--panel); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:10}
.topbar .bar{max-width:56rem; margin:0 auto; padding:.7rem 1rem; display:flex; align-items:center; gap:1rem; flex-wrap:wrap}
.topbar .bar.wide{max-width:84rem}
.brand{font-weight:700; font-size:1.05rem; color:var(--text)}
.brand:hover{text-decoration:none}
.topbar nav{display:flex; gap:.25rem; flex:1; flex-wrap:wrap}
.topbar nav a{padding:.3rem .6rem; border-radius:8px; color:var(--muted); font-size:.92rem}
.topbar nav a:hover{background:var(--bg); text-decoration:none}
.topbar nav a.on{background:var(--brand-soft); color:var(--brand); font-weight:600}
.topbar .aside{font-size:.86rem; color:var(--muted); display:flex; align-items:center; gap:.5rem}

main{max-width:56rem; margin:0 auto; padding:1.25rem 1rem 3rem}
main.wide{max-width:84rem}
footer{max-width:56rem; margin:0 auto; padding:0 1rem 2.5rem; color:var(--muted); font-size:.82rem}

h1{font-size:1.5rem; margin:.2rem 0 .3rem}
h2{font-size:1.15rem; margin:1.8rem 0 .6rem}
h3{font-size:1rem; margin:1.2rem 0 .4rem}
p.lead{color:var(--muted); margin:.2rem 0 1.2rem}

.panel{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:1rem; box-shadow:var(--shadow); margin-bottom:1rem}
.panel>h2:first-child,.panel>h3:first-child{margin-top:0}
.row{display:flex; gap:.6rem; flex-wrap:wrap; align-items:center}
.row.between{justify-content:space-between}
.grow{flex:1; min-width:0}
.muted{color:var(--muted)}
.small{font-size:.86rem}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* 商品网格 */
.grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(14rem,1fr)); gap:.9rem}
.card{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); padding:.9rem; box-shadow:var(--shadow); display:flex; flex-direction:column; gap:.35rem}
.card .t{font-weight:600}
.card .s{color:var(--muted); font-size:.85rem}
.card .b{margin-top:auto; display:flex; align-items:baseline; justify-content:space-between; gap:.5rem; padding-top:.5rem}
.money{font-weight:700; font-variant-numeric:tabular-nums}
.money.pos{color:var(--ok)} .money.neg{color:var(--danger)}
.price{color:var(--brand); font-size:1.25rem}

/* 表单 */
label{display:block; font-size:.88rem; color:var(--muted); margin-bottom:.25rem}
input,select,textarea{
  font:inherit; color:var(--text); background:var(--panel);
  border:1px solid var(--line); border-radius:9px; padding:.5rem .65rem; width:100%;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand); outline-offset:-1px}
textarea{min-height:9rem; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-size:.86rem}
.field{margin-bottom:.8rem}
.inline{display:flex; gap:.5rem; align-items:flex-end; flex-wrap:wrap}
.inline .field{margin-bottom:0}
.w-sm{max-width:9rem} .w-md{max-width:16rem}

button,.btn{
  font:inherit; font-weight:600; cursor:pointer; border:1px solid var(--line);
  background:var(--panel); color:var(--text); border-radius:9px; padding:.5rem .9rem;
}
button:hover,.btn:hover{text-decoration:none; filter:brightness(.98)}
button.primary,.btn.primary{background:var(--brand); border-color:var(--brand); color:var(--brand-ink)}
button.danger{color:var(--danger); border-color:var(--danger)}
button.big{padding:.75rem 1.4rem; font-size:1.05rem; width:100%}
button:disabled{opacity:.55; cursor:not-allowed}

/* 徽标与提示 */
.badge{display:inline-block; font-size:.78rem; font-weight:600; padding:.1rem .45rem; border-radius:6px; white-space:nowrap}
.badge.ok{background:var(--ok-bg); color:var(--ok)}
.badge.warn{background:var(--warn-bg); color:var(--warn)}
.badge.danger{background:var(--danger-bg); color:var(--danger)}
.badge.info{background:var(--info-bg); color:var(--info)}
.badge.muted{background:var(--bg); color:var(--muted); border:1px solid var(--line)}
.notice{border-radius:10px; padding:.65rem .8rem; margin:0 0 1rem; font-size:.92rem; border:1px solid transparent}
.notice.ok{background:var(--ok-bg); color:var(--ok); border-color:var(--ok)}
.notice.warn{background:var(--warn-bg); color:var(--warn); border-color:var(--warn)}
.notice.danger{background:var(--danger-bg); color:var(--danger); border-color:var(--danger)}
.notice.info{background:var(--info-bg); color:var(--info); border-color:var(--info)}
.notice.muted{background:var(--bg); color:var(--muted); border-color:var(--line)}
.empty{text-align:center; padding:2.5rem 1rem; color:var(--muted)}
.empty .t{font-weight:600; color:var(--text); margin:0 0 .3rem}
.empty .h{margin:0; font-size:.9rem}

/* 表格 */
.tablewrap{overflow-x:auto; -webkit-overflow-scrolling:touch}
table{border-collapse:collapse; width:100%; font-size:.9rem}
th,td{text-align:left; padding:.5rem .6rem; border-bottom:1px solid var(--line); vertical-align:middle}
th{color:var(--muted); font-weight:600; font-size:.82rem; white-space:nowrap}
td.num,th.num{text-align:right; font-variant-numeric:tabular-nums}
tr:last-child td{border-bottom:none}

/* 卡券 */
.voucher{
  background:var(--brand-soft); border:1px dashed var(--brand); border-radius:10px;
  padding:.7rem .85rem; margin-bottom:.5rem;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:1.02rem; letter-spacing:.03em; word-break:break-all; user-select:all;
}
.kv{display:grid; grid-template-columns:auto 1fr; gap:.3rem .9rem; font-size:.92rem}
.kv dt{color:var(--muted)}
.kv dd{margin:0; font-variant-numeric:tabular-nums}
.steps{display:flex; gap:.4rem; flex-wrap:wrap; font-size:.85rem; color:var(--muted); margin-bottom:1rem}
.steps span.on{color:var(--brand); font-weight:600}

/* 审核台的行 */
.reviewrow{border:1px solid var(--line); border-radius:10px; padding:.7rem; margin-bottom:.6rem; background:var(--panel)}
.reviewrow.blocking{border-color:var(--danger)}
.reviewrow.ambiguous{border-color:var(--warn)}
.reviewrow .hd{display:flex; gap:.5rem; align-items:center; flex-wrap:wrap; margin-bottom:.4rem}
.cands{display:grid; gap:.3rem; margin:.4rem 0 0}
.cands label{display:flex; gap:.5rem; align-items:center; color:var(--text); font-size:.9rem; margin:0}
.cands input[type=radio]{width:auto}