:root {
  --bg: #f4f5f7; --panel: #ffffff; --ink: #1b1f24; --muted: #5f6873; --line: #dfe3e8;
  --brand: #0f6e6e; --brand-ink: #ffffff; --accent: #d9822b; --ok: #1f8a4c; --bad: #c0392b; --warn: #b7791f;
  --chip: #eef1f4; --shadow: 0 1px 2px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);
  --viewer: #e9edf1;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111418; --panel: #191d22; --ink: #e6e9ec; --muted: #9aa3ad; --line: #2b3138;
    --brand: #2fa6a6; --brand-ink: #0b1214; --chip: #222830; --viewer: #1e2329;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.55 "Segoe UI", "Microsoft YaHei", system-ui, sans-serif; background: var(--bg); color: var(--ink); }
a { color: var(--brand); }
header.top { display: flex; align-items: center; gap: 16px; padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.logo { font-weight: 700; font-size: 18px; letter-spacing: .5px; text-decoration: none; color: var(--ink); }
.logo b { color: var(--brand); }
.portal { padding: 2px 10px; border-radius: 999px; background: var(--brand); color: var(--brand-ink); font-size: 12px; }
.portal.maker { background: var(--accent); color: #fff; }
.spacer { flex: 1; }
.wallet { font-variant-numeric: tabular-nums; }
main { max-width: 1400px; margin: 0 auto; padding: 16px 20px 60px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow); padding: 16px; margin-bottom: 16px; }
.card h2 { margin: 0 0 10px; font-size: 16px; }
.card h3 { margin: 14px 0 8px; font-size: 14px; color: var(--muted); font-weight: 600; }
.grid2 { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.form { display: grid; grid-template-columns: 110px 1fr; gap: 8px 10px; align-items: center; }
.form label { color: var(--muted); font-size: 13px; }
input, select, textarea { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 6px 8px; min-width: 0; }
input[type=number] { width: 90px; }
textarea { width: 100%; min-height: 60px; }
button { font: inherit; border: 1px solid var(--line); background: var(--chip); color: var(--ink); border-radius: 6px; padding: 6px 12px; cursor: pointer; }
button.primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); font-weight: 600; }
button.pay { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button:disabled { opacity: .55; cursor: progress; }
.tabs { display: flex; gap: 4px; margin-bottom: 12px; border-bottom: 1px solid var(--line); }
.tabs button { border: none; background: none; border-bottom: 2px solid transparent; border-radius: 0; padding: 8px 14px; color: var(--muted); }
.tabs button.on { color: var(--ink); border-bottom-color: var(--brand); font-weight: 600; }
.viewer { position: relative; height: 480px; background: var(--viewer); border-radius: 8px; overflow: hidden; }
.viewer canvas { display: block; }
.viewer .hud { position: absolute; left: 10px; top: 8px; font-size: 12px; color: var(--muted); pointer-events: none; }
.viewer .tools { position: absolute; right: 8px; top: 8px; display: flex; gap: 4px; flex-wrap: wrap; justify-content: flex-end; max-width: 70%; }
.viewer .tools button { font-size: 12px; padding: 3px 8px; background: var(--panel); }
.viewer .legend { position: absolute; left: 10px; bottom: 10px; font-size: 11px; background: var(--panel); padding: 6px 8px; border-radius: 6px; border: 1px solid var(--line); }
.viewer .legend .bar { width: 180px; height: 8px; border-radius: 4px; background: linear-gradient(90deg,#30123b,#4686fb,#1ae4b6,#a2fc3c,#fabb39,#e4460a,#7a0403); }
.drop { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 10px; color: var(--muted); border: 2px dashed var(--line); border-radius: 8px; }
.drop.hover { border-color: var(--brand); color: var(--brand); }
.kpis { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; }
.kpi { background: var(--chip); border-radius: 8px; padding: 8px 10px; }
.kpi .v { font-size: 18px; font-weight: 700; font-variant-numeric: tabular-nums; }
.kpi .l { font-size: 12px; color: var(--muted); }
.kpi.ok .v { color: var(--ok); } .kpi.bad .v { color: var(--bad); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 5px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; background: var(--chip); }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.sel td { background: color-mix(in srgb, var(--brand) 12%, transparent); }
tr.click { cursor: pointer; } tr.click:hover td { background: var(--chip); }
tr.dim td { color: var(--muted); }
.tag { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 999px; background: var(--chip); color: var(--muted); margin-right: 4px; }
.tag.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.tag.bad { background: color-mix(in srgb, var(--bad) 15%, transparent); color: var(--bad); }
.tag.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.tag.rec { background: var(--brand); color: var(--brand-ink); }
ul.list { margin: 4px 0; padding-left: 18px; } ul.list li { margin: 3px 0; }
.muted { color: var(--muted); } .small { font-size: 12px; }
.note { font-size: 12px; color: var(--muted); border-left: 3px solid var(--line); padding: 4px 10px; margin: 8px 0; }
.stack { display: flex; height: 14px; border-radius: 4px; overflow: hidden; margin: 6px 0; }
.stack span { display: block; height: 100%; }
.legend-row { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 12px; color: var(--muted); }
.legend-row i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 4px; vertical-align: -1px; }
.rfqs { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.rfq { border: 1px solid var(--line); border-radius: 10px; padding: 12px; background: var(--panel); display: flex; flex-direction: column; gap: 6px; }
.rfq h4 { margin: 0; font-size: 15px; }
.lock { color: var(--muted); font-size: 12px; }
.toast { position: fixed; right: 20px; bottom: 20px; background: var(--ink); color: var(--bg); padding: 10px 14px; border-radius: 8px; z-index: 50; max-width: 420px; }
.hero { padding: 40px 0 10px; }
.hero h1 { font-size: 32px; margin: 0 0 8px; }
.entries { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 24px 0; }
@media (max-width: 760px) { .entries { grid-template-columns: 1fr; } }
.entry { display: block; text-decoration: none; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px; box-shadow: var(--shadow); border-top: 5px solid var(--brand); }
.entry.maker { border-top-color: var(--accent); }
.entry h2 { margin: 0 0 6px; font-size: 22px; }
.flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.flow div { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.flow b { display: block; margin-bottom: 4px; }
.login { max-width: 460px; margin: 40px auto; }
.spin { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--line); border-top-color: var(--brand); border-radius: 50%; animation: s 0.8s linear infinite; vertical-align: -2px; }
@keyframes s { to { transform: rotate(360deg); } }
svg.chart text { fill: var(--muted); font-size: 11px; }
svg.chart .grid { stroke: var(--line); }