/* tradebot dashboard. Tokens from the validated reference palette (dataviz skill). */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --ring: rgba(11, 11, 11, 0.10);
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --good: #0ca30c;
  --good-text: #006300;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;
  --critical-text: #b42727;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #222220;
    --ink: #f0efec;
    --ink-2: #c3c2b7;
    --grid: #2c2c2a;
    --axis: #383835;
    --ring: rgba(255, 255, 255, 0.10);
    --series-1: #3987e5;
    --series-2: #d95926;
    --good-text: #0ca30c;
    --critical-text: #e66767;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--page); color: var(--ink); font: 14px/1.45 var(--font); }
body { padding: 0 16px 48px; }
main { max-width: 1400px; margin: 0 auto; }
h1, h2, h3 { margin: 0; font-weight: 600; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); }
a { color: var(--series-1); }
button { font: inherit; cursor: pointer; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }

/* top bar */
.topbar {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10;
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px;
  padding: 12px 0; background: var(--page); border-bottom: 1px solid var(--grid); margin-bottom: 16px;
}
.brand { font-weight: 700; font-size: 16px; letter-spacing: -.01em; }
.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; border: 1px solid var(--ring); background: var(--surface);
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.badge.good .dot { background: var(--good); }
.badge.warn .dot { background: var(--warning); }
.badge.bad .dot { background: var(--critical); }
.badge.live { border-color: var(--critical); }
.spacer { flex: 1; }
.controls { display: flex; gap: 8px; flex-wrap: wrap; }
.btn {
  border: 1px solid var(--ring); background: var(--surface); color: var(--ink);
  padding: 6px 12px; border-radius: 8px; font-weight: 600; font-size: 13px;
}
.btn:hover { background: var(--surface-2); }
.btn.danger { color: var(--critical-text); border-color: var(--critical); }
.btn[disabled] { opacity: .45; cursor: default; }
.confirm { display: flex; gap: 8px; align-items: center; font-size: 13px; }

/* layout */
.grid { display: grid; gap: 16px; grid-template-columns: repeat(12, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--ring); border-radius: var(--radius);
  padding: 16px; min-width: 0;
}
.card header { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.span-12 { grid-column: span 12; } .span-8 { grid-column: span 8; } .span-7 { grid-column: span 7; }
.span-6 { grid-column: span 6; } .span-5 { grid-column: span 5; } .span-4 { grid-column: span 4; }
@media (max-width: 1000px) { .span-8, .span-7, .span-6, .span-5, .span-4 { grid-column: span 12; } }

/* hero + tiles */
.hero { display: flex; flex-wrap: wrap; gap: 24px 40px; align-items: flex-end; }
.hero-figure { font-size: 52px; font-weight: 600; line-height: 1; letter-spacing: -.02em; }
.hero-label { color: var(--ink-2); font-size: 13px; margin-bottom: 6px; }
.delta { font-size: 14px; font-weight: 600; margin-top: 6px; }
.delta.up { color: var(--good-text); } .delta.down { color: var(--critical-text); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; flex: 1; min-width: 260px; }
.tile .label { color: var(--ink-2); font-size: 12px; }
.tile .value { font-size: 20px; font-weight: 600; }

/* charts */
.chart { position: relative; width: 100%; }
.chart svg { display: block; width: 100%; overflow: visible; }
.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--ink-2); }
.legend .key { display: inline-block; width: 16px; height: 2px; vertical-align: middle; margin-right: 6px; border-radius: 2px; }
.tooltip {
  position: absolute; pointer-events: none; background: var(--surface); border: 1px solid var(--ring);
  border-radius: 8px; padding: 8px 10px; font-size: 12px; box-shadow: 0 4px 16px rgba(0,0,0,.12);
  min-width: 140px; z-index: 5;
}
.tooltip .t-head { color: var(--muted); margin-bottom: 4px; }
.tooltip .t-row { display: flex; align-items: center; gap: 8px; }
.tooltip .t-row strong { font-variant-numeric: tabular-nums; }
.tooltip .t-row span { color: var(--ink-2); }
.tooltip .key { width: 12px; height: 2px; border-radius: 2px; }
.linkbtn { background: none; border: 0; color: var(--series-1); padding: 0; font-size: 12px; }

/* tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 600; color: var(--ink-2); font-size: 12px; padding: 6px 8px; border-bottom: 1px solid var(--axis); white-space: nowrap; }
td { padding: 6px 8px; border-bottom: 1px solid var(--grid); vertical-align: top; }
tr:last-child td { border-bottom: 0; }
.pos { color: var(--good-text); } .neg { color: var(--critical-text); }
.pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11px; font-weight: 600; background: var(--surface-2); color: var(--ink-2); }
.pill.proven { color: var(--good-text); }
.pill.failing { color: var(--critical-text); }
.pill.champion { color: var(--series-1); }

/* decision feed */
.feed { display: flex; flex-direction: column; gap: 10px; max-height: 720px; overflow-y: auto; }
.decision { border: 1px solid var(--ring); border-radius: 8px; padding: 10px 12px; background: var(--surface); }
.decision.executed { border-left: 3px solid var(--good); }
.decision .d-head { display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.decision .d-head strong { font-size: 14px; }
.decision .d-time { margin-left: auto; color: var(--muted); font-size: 12px; }
.stages { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 3px; }
.stages li { display: grid; grid-template-columns: 18px 64px 1fr; gap: 6px; font-size: 12.5px; align-items: baseline; }
.stages .icon { font-weight: 700; text-align: center; }
.stages .ok .icon { color: var(--good-text); }
.stages .fail .icon { color: var(--critical-text); }
.stages .name { color: var(--ink-2); font-weight: 600; }
.feed-filter { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--ring); background: var(--surface); border-radius: 999px; padding: 2px 10px; font-size: 12px; color: var(--ink-2); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--surface); border-color: var(--ink); }

/* journal */
.journal { display: flex; flex-direction: column; gap: 8px; max-height: 420px; overflow-y: auto; }
.journal details { border: 1px solid var(--ring); border-radius: 8px; padding: 8px 12px; }
.journal summary { cursor: pointer; font-weight: 600; }
.journal pre { white-space: pre-wrap; font: 12px/1.5 var(--mono); margin: 8px 0 0; color: var(--ink-2); }
.empty { color: var(--muted); font-size: 13px; padding: 12px 0; }
.stale { opacity: .55; transition: opacity .2s; }

/* login */
.login { max-width: 340px; margin: 18vh auto 0; }
.login input { width: 100%; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--axis); background: var(--surface); color: var(--ink); font: inherit; margin: 8px 0 12px; }