:root {
  --bg: #0f1115; --surface: #171a21; --surface-2: #1f232c; --border: #2a2f3a;
  --text: #e6e8ec; --muted: #8b93a3; --accent: #e3a21a; --accent-text: #111;
  --pos: #3fb67a; --neg: #e5534b; --info: #4c8dde; --radius: 8px;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f6f8; --surface: #fff; --surface-2: #f0f2f5; --border: #dde1e7;
    --text: #1b1f27; --muted: #5f6878; --accent: #c7860a; --accent-text: #fff;
    --pos: #1f8a54; --neg: #c93c35; --info: #2f6fc0;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 12px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
h2 { font-size: 16px; margin: 0 0 10px; }
main { max-width: 1400px; margin: 0 auto; padding: 20px 16px 60px; }
section { margin-bottom: 28px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.pos { color: var(--pos); } .neg { color: var(--neg); }
.buy { color: var(--pos); font-size: 12px; } .sell { color: var(--neg); font-size: 12px; }

.top { display: flex; align-items: center; gap: 20px; padding: 10px 16px; flex-wrap: wrap;
  background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; color: var(--text); font-size: 16px; }
.top nav { display: flex; gap: 16px; flex-wrap: wrap; }
.top nav a { color: var(--text); }
.status { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 500;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.pill-ok { color: var(--pos); border-color: var(--pos); }
.pill-bad { color: var(--neg); border-color: var(--neg); }
.pill-info { color: var(--info); border-color: var(--info); }

.btn { display: inline-block; padding: 7px 12px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text); cursor: pointer; font: inherit; }
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); font-weight: 600; }
.btn-danger { color: var(--neg); border-color: var(--neg); background: transparent; }
.btn-small { padding: 3px 8px; font-size: 12px; }
button.link { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.actions form { margin: 0; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.flash { background: var(--surface-2); border-left: 3px solid var(--info); padding: 10px 14px; margin-bottom: 16px; border-radius: 4px; }
.errors { background: var(--surface-2); border-left: 3px solid var(--neg); padding: 10px 14px; margin-bottom: 16px; border-radius: 4px; }
.errors ul { margin: 0; padding-left: 18px; }
.section-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.section-head h1, .section-head h2 { margin: 0; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; }
.kpi span { display: block; color: var(--muted); font-size: 12px; }
.kpi b { font-size: 20px; font-variant-numeric: tabular-nums; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { border-collapse: collapse; width: 100%; }
th, td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; white-space: nowrap; }
th { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.is-open { background: var(--surface-2); }
.legs div { font-size: 12px; line-height: 1.6; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.preset { color: var(--text); display: block; }
.preset:hover { border-color: var(--accent); text-decoration: none; }
.preset h3 { margin: 0 0 6px; font-size: 15px; color: var(--accent); }
.preset p { margin: 0 0 10px; }
.empty { text-align: center; }

.strategy-form fieldset { margin: 0 0 16px; min-width: 0; }
.strategy-form legend { font-weight: 600; padding: 0 6px; }
.fields { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px 18px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field-wide { grid-column: 1 / -1; }
.field label, .label { display: flex; flex-direction: column; gap: 4px; font-weight: 500; }
.field label.check { flex-direction: row; align-items: center; gap: 8px; }
input[type=text], input[type=number], input[type=time], input[type=password], select {
  background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 6px;
  padding: 7px 9px; font: inherit; width: 100%; }
.legs-table input, .legs-table select { width: auto; min-width: 80px; }
.segmented { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.segmented label { flex-direction: row; }
.segmented input[type=radio], .segmented input[type=checkbox] { position: absolute; opacity: 0; }
.segmented label span { padding: 6px 12px; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; background: var(--bg); font-weight: 500; }
.segmented input:checked + span { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.segmented input:focus-visible + span { outline: 2px solid var(--info); }
.segmented .ticker { width: 150px; }

.params dl { display: grid; grid-template-columns: 140px 1fr; gap: 6px 14px; margin: 0; }
.params dt { color: var(--muted); }
.params dd { margin: 0; }

.events { list-style: none; margin: 0; padding: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.events li { padding: 7px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
.events li:last-child { border-bottom: 0; }
.events .lvl-warning { border-left: 3px solid var(--accent); }
.events .lvl-error { border-left: 3px solid var(--neg); }
.filters { display: flex; gap: 8px; }
.filters select { width: auto; }

body.center { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login { width: 100%; max-width: 340px; display: flex; flex-direction: column; gap: 14px; }
.login label { display: flex; flex-direction: column; gap: 4px; }

@media (max-width: 640px) {
  .params dl { grid-template-columns: 1fr; }
  .status { margin-left: 0; }
}