:root{--bg:#f6f7f9;--card:#fff;--fg:#14171f;--muted:#6b7280;--line:#e5e7eb;--accent:#2563eb;--up:#0a7d3b;--down:#c62828;--warn:#b45309;--pill:#eef2ff}
@media (prefers-color-scheme:dark){:root{--bg:#0e1116;--card:#171b22;--fg:#e6e8ec;--muted:#8b93a1;--line:#262c36;--accent:#5b8cff;--up:#38c172;--down:#ff6b6b;--warn:#f0b34a;--pill:#1f2937}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
body.center{display:grid;place-items:center;min-height:100vh;padding:16px}
a{color:var(--accent);text-decoration:none}
header.top{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
header.top nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
header.top .brand{font-weight:700}
main{max-width:1100px;margin:0 auto;padding:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px}
.card.narrow{max-width:420px;width:100%;text-align:center}
h1{font-size:20px;margin:0 0 8px}h2{font-size:16px;margin:0 0 12px}
.muted{color:var(--muted)}.err{color:var(--down)}.up{color:var(--up)}.down{color:var(--down)}.warn{color:var(--warn)}
.btn{display:inline-block;border:0;border-radius:8px;padding:9px 14px;background:var(--accent);color:#fff;font:inherit;font-weight:600;cursor:pointer}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.btn.danger{background:var(--down)}.btn.sm{padding:5px 10px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;background:var(--pill);font-size:12px;font-weight:600}
.pill.live{background:var(--down);color:#fff}.pill.paper{background:var(--warn);color:#fff}
.pill.ok{background:var(--up);color:#fff}.pill.bad{background:var(--down);color:#fff}
.stats{display:flex;flex-wrap:wrap;gap:18px}.stats div span{display:block;font-size:12px;color:var(--muted)}
.stats div b{font-size:18px}
form.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px;align-items:end}
label{display:block;font-size:12px;color:var(--muted)}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}
.trades{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px}
.trade{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--card)}
.trade .row{display:flex;justify-content:space-between;gap:8px;margin:3px 0}
.trade .big{font-size:22px;font-weight:700}
.bar{position:relative;height:8px;border-radius:4px;background:linear-gradient(90deg,var(--down),var(--line) 50%,var(--up));margin:14px 0 6px}
.bar i{position:absolute;top:-4px;width:4px;height:16px;background:var(--fg);border-radius:2px;transform:translateX(-2px)}
.bar-labels{display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:8px 6px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
th:first-child,td:first-child,td.l,th.l{text-align:left}
.scroll{overflow-x:auto}
.warnbox{background:color-mix(in srgb,var(--warn) 15%,transparent);border:1px solid var(--warn);border-radius:8px;padding:8px 10px;margin:8px 0;font-size:14px}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:10px;z-index:20;max-width:90vw}
.toast.bad{background:var(--down);color:#fff}
.timeline{list-style:none;padding:0;margin:0}.timeline li{padding:6px 0;border-bottom:1px solid var(--line);font-size:14px}
.timeline time{color:var(--muted);margin-right:8px;font-variant-numeric:tabular-nums}
svg.chart{width:100%;height:220px;background:var(--bg);border-radius:8px}
@media (max-width:600px){main{padding:10px}.card{padding:12px}}