:root{--bg:#f6f7f9;--card:#fff;--ink:#1c2430;--mut:#667085;--line:#e3e7ee;--acc:#2563eb;--ok:#16a34a;--warn:#b45309}
*{box-sizing:border-box}
body{margin:0;font:14px/1.45 system-ui,sans-serif;background:var(--bg);color:var(--ink)}
header{background:#fff;border-bottom:1px solid var(--line);padding:12px 20px;display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center}
h1{margin:0;font-size:20px;color:var(--acc)}
.sub{color:var(--mut);flex:1 1 260px}
nav{display:flex;gap:4px;order:3;width:100%}
nav button{background:none;border:0;border-bottom:2px solid transparent;padding:6px 14px;font:inherit;cursor:pointer;color:var(--mut)}
nav button.on{color:var(--acc);border-color:var(--acc);font-weight:600}
main{max-width:1100px;margin:16px auto;padding:0 16px}
section{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px;margin-bottom:14px}
h2{font-size:15px;margin:0 0 10px}
table{border-collapse:collapse;width:100%}
th,td{padding:5px 8px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
th{font-size:12px;color:var(--mut);font-weight:600}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
.scroll{overflow-x:auto}
input,select,button{font:inherit;padding:4px 7px;border:1px solid #c9d0db;border-radius:5px;background:#fff}
input[type=number]{width:90px}
input[type=checkbox]{width:auto}
button{cursor:pointer;background:var(--acc);color:#fff;border-color:var(--acc)}
button.ghost,button.x{background:#fff;color:var(--ink);border-color:#c9d0db}
.row{display:flex;flex-wrap:wrap;gap:12px;align-items:end;margin-bottom:10px}
label{display:flex;flex-direction:column;font-size:12px;color:var(--mut);gap:2px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:12px}
.card{border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#fff}
.card b{display:block;font-size:19px}
.card span{color:var(--mut);font-size:12px}
.warn{background:#fff7ed;border:1px solid #fed7aa;color:var(--warn);padding:8px 12px;border-radius:6px;margin:8px 0}
.note{color:var(--mut);font-size:12px;margin:6px 0}
.best td{background:#ecfdf3;font-weight:600}
.over{color:#b91c1c}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:800px){.grid2{grid-template-columns:1fr}}
svg{width:100%;height:auto}
svg .ax{font-size:11px;fill:var(--mut)}
svg .grid{stroke:var(--line)}
#toast{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:#1c2430;color:#fff;padding:8px 14px;border-radius:6px;opacity:0;transition:opacity .2s;pointer-events:none}
#toast.show{opacity:1}