:root{--bg:#f4f5f7;--card:#fff;--text:#1d2329;--muted:#667080;--line:#dde1e6;--brand:#c2410c;--brand-d:#9a3412;--ok:#15803d;--bad:#b91c1c;--low:#fecaca;--low-text:#7f1d1d}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
body.center{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:16px}
.top{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;background:#1f2937;color:#fff;padding:10px 16px}
.brand{font-size:16px}
.top nav{display:flex;flex-wrap:wrap;gap:4px;flex:1}
.top nav a{color:#e5e7eb;text-decoration:none;padding:7px 12px;border-radius:6px}
.top nav a.on,.top nav a:hover{background:var(--brand);color:#fff}
.who{display:flex;align-items:center;gap:10px}
.who .btn{color:#fff;border-color:#6b7280;background:transparent}
main{max-width:1280px;margin:auto;padding:16px}
h1{font-size:24px;margin:8px 0 14px}h2{font-size:18px;margin:26px 0 10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:14px}
.narrow{width:100%;max-width:380px}
.muted{color:var(--muted)}
.bar{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-bottom:10px}
.bar h1{flex:1;margin:0}.grow{flex:1 1 220px}
label{display:block;font-weight:600;font-size:13px;margin-bottom:10px}
label.inline{display:inline-block}label.check{align-self:end;display:flex;gap:8px;align-items:center}
label.check input{width:auto}
input,select{display:block;width:100%;padding:9px 10px;border:1px solid #b8bec7;border-radius:6px;font:inherit;font-weight:400;background:#fff;color:inherit;margin-top:3px}
.bar>input,.bar>select{width:auto;flex:0 1 170px}.bar>input.grow{flex:1 1 220px}
input[type=file]{flex:1 1 220px}
input:focus,select:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--brand);outline-offset:1px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:4px 14px}.wide{grid-column:1/-1}
.big{display:block;font-size:20px;font-weight:700;color:var(--brand-d);padding-top:7px}
.btn{display:inline-block;padding:9px 16px;border-radius:6px;border:1px solid var(--brand);background:var(--brand);color:#fff;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--brand-d)}
.btn.ghost{background:#fff;color:var(--text);border-color:#b8bec7}.btn.ghost:hover{background:#eef0f3}
.btn.danger{background:var(--bad);border-color:var(--bad)}
.btn.large{width:100%;padding:13px;font-size:17px}
.scroll{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:8px;margin-bottom:14px}
table{border-collapse:collapse;width:100%}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{font-size:12.5px;color:var(--muted);white-space:nowrap}
.r{text-align:right;font-variant-numeric:tabular-nums}
tr.low td{background:var(--low);color:var(--low-text)}
tr.void td{text-decoration:line-through;color:var(--muted)}
tr.void td:last-child{text-decoration:none}
.thumb{width:48px;height:48px;object-fit:contain;cursor:zoom-in;background:#fff;border-radius:4px;display:block}
.qty{width:76px;margin:0 0 0 auto;text-align:right}
.flash{padding:10px 12px;border-radius:6px;margin:0 0 12px}
.flash.ok{background:#dcfce7;color:#14532d}.flash.err{background:#fee2e2;color:#7f1d1d}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.85);display:flex;align-items:center;justify-content:center;padding:16px;cursor:zoom-out;z-index:10}
.lightbox[hidden]{display:none}.lightbox img{max-width:100%;max-height:100%}
.pick{display:flex;flex-wrap:wrap;gap:8px}
.pick img{width:96px;height:96px;object-fit:contain;border:2px solid var(--line);border-radius:6px;cursor:pointer;background:#fff}
.pick img.sel{border-color:var(--brand)}
.results{display:grid;gap:6px}
.res{text-align:left;padding:10px;border:1px solid var(--line);border-radius:6px;background:#fff;font:inherit;cursor:pointer}
.res:hover{background:#fff7ed}
.total{text-align:right;font-size:20px;margin:6px 0 12px}
.pay{border:1px solid var(--line);border-radius:6px;display:flex;flex-wrap:wrap;gap:6px 20px;margin:0 0 12px;padding:10px 14px}
.pay label{display:flex;gap:7px;align-items:center;margin:0;font-size:15px;font-weight:400}.pay input{width:auto;margin:0}
.report .row{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line)}
.report .row b{white-space:nowrap;font-variant-numeric:tabular-nums}
.report .sub{padding-left:16px;color:var(--muted);font-size:14px}
.report .result{font-size:20px;font-weight:700;border-bottom:0}
.report .pos b{color:var(--ok)}.report .neg b{color:var(--bad)}
code{background:#eef0f3;padding:1px 5px;border-radius:4px}.wrap{word-break:break-all}