:root{
  --bg:#eef1f7; --bg2:#e4e9f3; --surface:rgba(255,255,255,.74); --surface-solid:#ffffff;
  --text:#161a26; --muted:#697086; --line:rgba(20,26,40,.10);
  --brand1:#6366f1; --brand2:#8b5cf6; --brand3:#22d3ee; --brand4:#ec4899;
  --done:#16a34a; --warn:#f59e0b; --partial:#3b82f6; --blocked:#ef4444; --info:#0ea5e9;
  --p0:#ef4444; --p1:#f97316; --p2:#3b82f6; --p3:#94a3b8;
  --shadow:0 12px 34px -14px rgba(20,26,60,.28);
  --radius:18px; --radius-sm:12px;
  --good:#16a34a; --bad:#ef4444;
}
[data-theme="dark"]{
  --bg:#090c15; --bg2:#0d1220; --surface:rgba(22,28,44,.66); --surface-solid:#141a28;
  --text:#e9edf6; --muted:#9aa6bd; --line:rgba(255,255,255,.10);
  --brand1:#818cf8; --brand2:#a78bfa; --brand3:#22d3ee; --brand4:#f472b6;
  --done:#22c55e; --warn:#fbbf24; --partial:#60a5fa; --blocked:#f87171; --info:#38bdf8;
  --shadow:0 16px 44px -18px rgba(0,0,0,.72);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:radial-gradient(1100px 680px at 10% -10%,color-mix(in srgb,var(--brand1) 20%,transparent),transparent 60%),
             radial-gradient(1000px 620px at 100% 0%,color-mix(in srgb,var(--brand3) 14%,transparent),transparent 55%),
             linear-gradient(180deg,var(--bg),var(--bg2));
  color:var(--text);min-height:100vh;line-height:1.6;
  transition:background .5s ease,color .35s ease;
  -webkit-font-smoothing:antialiased;
}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px 90px}
.grad{background:linear-gradient(90deg,var(--brand1),var(--brand3));-webkit-background-clip:text;background-clip:text;color:transparent}
/* top nav */
.nav{position:sticky;top:0;z-index:40;backdrop-filter:blur(18px) saturate(150%);
  background:color-mix(in srgb,var(--bg) 72%,transparent);border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px -18px rgba(0,0,0,.4)}
.nav-in{max-width:1240px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:11px;cursor:default}
.logo{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:20px;
  background:linear-gradient(135deg,var(--brand1),var(--brand2));box-shadow:var(--shadow);color:#fff}
.brand b{font-size:16px;font-weight:800;letter-spacing:.3px}
.brand span{font-size:11.5px;color:var(--muted);display:block}
.tabs{display:flex;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{border:0;background:transparent;color:var(--muted);padding:9px 13px;border-radius:11px;cursor:pointer;
  font-size:13.5px;font-weight:650;white-space:nowrap;transition:.22s;position:relative}
.tab:hover{color:var(--text);background:color-mix(in srgb,var(--brand1) 10%,transparent)}
.tab.active{color:#fff;background:linear-gradient(135deg,var(--brand1),var(--brand2));box-shadow:var(--shadow)}
.theme{display:flex;gap:5px;background:var(--surface);border:1px solid var(--line);padding:4px;border-radius:11px}
.theme button{border:0;background:transparent;color:var(--muted);padding:6px 9px;border-radius:8px;cursor:pointer;font-size:12.5px;font-weight:600;transition:.22s}
.theme button.active{background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff}
/* hero canvas */
#hero{position:fixed;inset:0;width:100%;height:100%;z-index:-1;opacity:.5;pointer-events:none}
[data-theme="dark"] #hero{opacity:.7}
/* sections */
.view{display:none;animation:fade .4s ease}
.view.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
section{padding:26px 0}
.h2{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:6px}
.h2 .bar{width:5px;height:21px;border-radius:4px;background:linear-gradient(var(--brand1),var(--brand3))}
.sub{color:var(--muted);font-size:13px;margin-bottom:18px}
.grid{display:grid;gap:16px}
.kpis{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.cols2{grid-template-columns:1.4fr 1fr}
.cols3{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.cols2,.cols3{grid-template-columns:1fr}}
@media(max-width:900px){
  .nav-in{flex-direction:column;align-items:stretch;gap:10px;padding:10px 14px}
  .brand{justify-content:space-between;width:100%}
  .theme{align-self:flex-end}
  .tabs{flex:0 1 auto;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;
    scrollbar-width:none;padding:4px 2px;margin:0 -2px;
    mask-image:linear-gradient(90deg,#000,#000 95%,transparent);-webkit-mask-image:linear-gradient(90deg,#000,#000 95%,transparent)}
  .tabs::-webkit-scrollbar{display:none}
  .tab{white-space:nowrap;flex-shrink:0}
}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  backdrop-filter:blur(16px) saturate(140%);box-shadow:var(--shadow);transition:transform .35s cubic-bezier(.16,1,.3,1),border-color .3s}
.card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--brand1) 45%,var(--line))}
.kpi .v{font-size:28px;font-weight:850;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.kpi .l{font-size:12.5px;color:var(--muted);margin-top:3px}
.kpi .s{font-size:11.5px;color:var(--muted);margin-top:6px;opacity:.85}
.kpi.bad .v{color:var(--blocked)} .kpi.ok .v{color:var(--done)} .kpi.warnv .v{color:var(--warn)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;backdrop-filter:blur(16px);box-shadow:var(--shadow)}
.panel h3{font-size:14.5px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}
/* badges / tags */
.tag{font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;white-space:nowrap}
.t-low{background:color-mix(in srgb,var(--warn) 20%,transparent);color:var(--warn)}
.t-out{background:color-mix(in srgb,var(--blocked) 18%,transparent);color:var(--blocked)}
.t-over{background:color-mix(in srgb,var(--info) 18%,transparent);color:var(--info)}
.t-slow{background:color-mix(in srgb,var(--brand4) 18%,transparent);color:var(--brand4)}
.t-fit{background:color-mix(in srgb,var(--brand2) 18%,transparent);color:var(--brand2)}
.t-ok{background:color-mix(in srgb,var(--done) 16%,transparent);color:var(--done)}
.t-pending{background:color-mix(in srgb,var(--warn) 18%,transparent);color:var(--warn)}
.t-done{background:color-mix(in srgb,var(--done) 16%,transparent);color:var(--done)}
.t-proc{background:color-mix(in srgb,var(--partial) 16%,transparent);color:var(--partial)}
.t-hold{background:color-mix(in srgb,var(--blocked) 16%,transparent);color:var(--blocked)}
.pill{font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px}
.pill.in{background:color-mix(in srgb,var(--done) 18%,transparent);color:var(--done)}
.pill.out{background:color-mix(in srgb,var(--blocked) 16%,transparent);color:var(--blocked)}
.pill.transit{background:color-mix(in srgb,var(--warn) 18%,transparent);color:var(--warn)}
/* toolbar / search */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px}
.chip{border:1px solid var(--line);background:var(--surface);color:var(--muted);padding:7px 13px;border-radius:10px;cursor:pointer;font-size:13px;font-weight:600;transition:.22s}
.chip:hover{color:var(--text)}
.chip.active{background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff;border-color:transparent;box-shadow:var(--shadow)}
.search,.sel{border:1px solid var(--line);background:var(--surface);color:var(--text);padding:9px 13px;border-radius:10px;font-size:13.5px;outline:none;min-width:150px}
.search:focus,.sel:focus{border-color:var(--brand1)}
.btn{border:0;cursor:pointer;font-weight:700;font-size:13px;padding:10px 16px;border-radius:11px;color:#fff;
  background:linear-gradient(135deg,var(--brand1),var(--brand2));box-shadow:var(--shadow);transition:transform .22s cubic-bezier(.16,1,.3,1)}
.btn:hover{transform:translateY(-1px)} .btn:active{transform:scale(.96)}
.btn.ghost{background:var(--surface);color:var(--text);border:1px solid var(--line);box-shadow:none}
.btn.danger{background:linear-gradient(135deg,#ef4444,#f97316)}
.btn.sm{padding:7px 12px;font-size:12.5px}
.magnetic{transition:transform .2s cubic-bezier(.16,1,.3,1)}
/* bars */
.bar-row{display:grid;grid-template-columns:90px 1fr 60px;gap:10px;align-items:center;margin:8px 0;font-size:12.5px}
.bar-row .lab{color:var(--muted);font-weight:600}
.bar-track{height:14px;background:var(--line);border-radius:8px;overflow:hidden}
.bar-fill{height:100%;border-radius:8px;background:linear-gradient(90deg,var(--brand1),var(--brand3));width:0;transition:width .9s cubic-bezier(.16,1,.3,1)}
.bar-row .num{text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
/* table */
.table-scroll{max-height:560px;overflow:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-size:12px;color:var(--muted);font-weight:700;cursor:pointer;user-select:none;position:sticky;top:0;background:var(--surface-solid);z-index:1}
th:hover{color:var(--brand1)}
td.num{text-align:right;font-variant-numeric:tabular-nums;font-weight:700}
/* 退货仓 USLAXB：灰色淡显，表示仅展示、不参与汇总 */
td.return{color:var(--muted);font-weight:500;background:color-mix(in srgb,var(--blocked) 5%,transparent)}
th.return{color:var(--muted);font-size:11px;text-align:right;background:color-mix(in srgb,var(--blocked) 6%,var(--surface-solid))}
[data-theme="dark"] th.return{background:color-mix(in srgb,var(--blocked) 10%,var(--surface-solid))}
th.num,th[class*="num"],th[data-k^="w|"],th[data-k="avail"],th[data-k="transit"],th[data-k="k"]{text-align:right}
/* 账号分组表头：分账号视觉区分（4 个账号 4 种底色） */
th.th-grp{text-align:center;border-bottom:2px solid var(--line);font-size:11px;letter-spacing:.3px;cursor:default}
th.th-grp:hover{color:var(--text)}
/* 万邑通1 用琥珀/橙色，和万邑通2 紫色拉开；四个账号四色鲜明 */
.grp-w1{background:color-mix(in srgb,#f59e0b 20%,var(--surface-solid))}
.grp-w2{background:color-mix(in srgb,var(--brand2) 18%,var(--surface-solid))}
.grp-f1{background:color-mix(in srgb,var(--brand3) 18%,var(--surface-solid))}
.grp-f2{background:color-mix(in srgb,var(--brand4) 18%,var(--surface-solid))}
/* 深色模式下用更亮的底色保持区分度 */
[data-theme="dark"] .grp-w1{background:color-mix(in srgb,#fbbf24 22%,var(--surface-solid))}
[data-theme="dark"] .grp-w2{background:color-mix(in srgb,var(--brand2) 22%,var(--surface-solid))}
[data-theme="dark"] .grp-f1{background:color-mix(in srgb,var(--brand3) 22%,var(--surface-solid))}
[data-theme="dark"] .grp-f2{background:color-mix(in srgb,var(--brand4) 22%,var(--surface-solid))}
/* 双层表头吸顶：第一行(账号分组) top:0，第二行(仓库)紧随其后 */
#qTable thead tr:first-child th{top:0}
#qTable thead tr:last-child th{top:36px}
/* 首列(归一SKU)横向滚动时固定，便于对照 */
#qTable th:first-child{position:sticky;left:0;top:0;z-index:3;background:var(--surface-solid)}
#qTable td:first-child{position:sticky;left:0;z-index:1;background:var(--surface-solid)}
tbody tr{cursor:pointer;transition:background .2s}
tbody tr:hover{background:color-mix(in srgb,var(--brand1) 8%,transparent)}
tr.xc{border-left:3px solid var(--brand2)}
.detail td{background:color-mix(in srgb,var(--text) 4%,transparent);font-size:12.5px;color:var(--muted);white-space:normal}
.detail b{color:var(--text)}
/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(8,11,20,.5);backdrop-filter:blur(6px);z-index:80;display:none;align-items:flex-start;justify-content:center;padding:40px 16px;overflow:auto}
.modal-bg.open{display:flex;animation:fade .25s ease}
.modal{background:var(--surface-solid);border:1px solid var(--line);border-radius:20px;padding:22px;width:min(560px,100%);box-shadow:0 30px 80px -20px rgba(0,0,0,.5);animation:pop .3s cubic-bezier(.16,1,.3,1)}
@keyframes pop{from{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:none}}
.modal h3{font-size:16px;font-weight:800;margin-bottom:16px}
.field{margin-bottom:13px}
.field label{display:block;font-size:12.5px;color:var(--muted);font-weight:600;margin-bottom:5px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);background:var(--surface);color:var(--text);
  padding:10px 12px;border-radius:10px;font-size:13.5px;outline:none;font-family:inherit}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand1)}
.field textarea{resize:vertical;min-height:60px}
.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:8px}
/* toast */
#toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:var(--surface-solid);border:1px solid var(--line);color:var(--text);padding:11px 18px;border-radius:12px;
  box-shadow:var(--shadow);font-size:13.5px;font-weight:600;animation:pop .3s ease;max-width:90vw}
.toast.ok{border-left:4px solid var(--done)} .toast.err{border-left:4px solid var(--blocked)} .toast.info{border-left:4px solid var(--info)}
/* alert list */
.alert-item{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:13px 15px;margin-bottom:10px}
.alert-item .ic{width:10px;height:10px;border-radius:50%;box-shadow:0 0 0 4px color-mix(in srgb,currentColor 16%,transparent)}
.alert-item b{font-weight:750}
.alert-item .meta{font-size:12px;color:var(--muted);margin-top:2px}
.alert-actions{display:flex;gap:6px}
/* audit */
.audit{font-size:12.5px}
.audit .row{display:grid;grid-template-columns:130px 90px 1fr;gap:10px;padding:9px 12px;border-bottom:1px solid var(--line)}
.audit .row .t{color:var(--muted);font-variant-numeric:tabular-nums}
.audit .row .ty{font-weight:800}
.ty-IN{color:var(--done)} .ty-OUT{color:var(--blocked)} .ty-COUNT{color:var(--brand2)} .ty-ADJ{color:var(--warn)} .ty-SNAP{color:var(--info)}
/* timeline (overview activity) */
.feed{display:flex;flex-direction:column;gap:2px;font-size:13px}
.feed .it{display:flex;gap:10px;padding:8px 4px;border-bottom:1px dashed var(--line)}
.feed .it .dot{width:8px;height:8px;border-radius:50%;margin-top:6px;flex:none;background:linear-gradient(var(--brand1),var(--brand3))}
.feed .it .msg{flex:1} .feed .it .tm{color:var(--muted);font-size:11.5px;font-variant-numeric:tabular-nums}
/* 库存警告（近期动态）：橙色=低于10，红色=降至0 */
.feed .it.warn-low .msg{color:var(--warn);font-weight:700}
.feed .it.warn-low .dot{background:var(--warn)}
.feed .it.warn-zero .msg{color:var(--blocked);font-weight:700}
.feed .it.warn-zero .dot{background:var(--blocked)}
/* settings */
.set-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid var(--line)}
.set-row label{font-size:13.5px;font-weight:600}
.set-row input{width:120px;border:1px solid var(--line);background:var(--surface);color:var(--text);padding:8px 10px;border-radius:9px;font-size:13px;outline:none;text-align:right}
.note-box{font-size:12.5px;color:var(--muted);line-height:1.8;background:color-mix(in srgb,var(--text) 4%,transparent);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.empty{color:var(--muted);font-size:13px;padding:26px;text-align:center}
.muted{color:var(--muted)}
.flex{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spread{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.mt{margin-top:14px} .mb{margin-bottom:14px}
a.link{color:var(--brand1);text-decoration:none;font-weight:600}