:root {
  color-scheme: light dark;
  --bg: #f8fafc;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --band: #f1f5f9;
  --changed: #fef9c3;
  --pill-0-bg: #bbf7d0; --pill-0-fg: #14532d;
  --pill-1-bg: #fef08a; --pill-1-fg: #713f12;
  --pill-2-bg: #fed7aa; --pill-2-fg: #7c2d12;
  --pill-3-bg: #fecaca; --pill-3-fg: #7f1d1d;
  --pill-4-bg: #e58f8f; --pill-4-fg: #450a0a;
  --info: #2563eb;
  --up: #16a34a;
  --down: #dc2626;
  --warn: #b45309;
  --error: #dc2626;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a;
    --panel: #1e293b;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --border: #334155;
    --band: #243244;
    --changed: rgba(250, 204, 21, 0.18);
    --pill-0-bg: rgba(74, 222, 128, 0.25); --pill-0-fg: #bbf7d0;
    --pill-1-bg: rgba(250, 204, 21, 0.25); --pill-1-fg: #fef08a;
    --pill-2-bg: rgba(251, 146, 60, 0.28); --pill-2-fg: #fed7aa;
    --pill-3-bg: rgba(248, 113, 113, 0.3); --pill-3-fg: #fecaca;
    --pill-4-bg: rgba(185, 28, 28, 0.55); --pill-4-fg: #fecaca;
    --info: #60a5fa;
    --up: #4ade80;
    --down: #f87171;
    --warn: #fbbf24;
    --error: #f87171;
  }
}

body {
  margin: 0;
  padding: 1.5rem;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

main { max-width: 1100px; margin: 0 auto; }
header { display: flex; justify-content: space-between; align-items: baseline; }
h1 { margin: 0 0 1rem; font-size: 1.5rem; }
a { color: var(--info); }
nav { display: flex; gap: 1rem; }
nav a[aria-current] { color: var(--text); font-weight: 600; text-decoration: none; }
.nav-select { display: none; }

form { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-bottom: 0.75rem; }
input, button {
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: inherit;
  font: inherit;
}
button { cursor: pointer; }
button:disabled { cursor: default; opacity: 0.5; }
button.danger { color: var(--error); }
#restart { margin-left: auto; }
fieldset { display: flex; gap: 0.75rem; margin: 0; padding: 0.2rem 0.6rem; border: 1px solid var(--border); border-radius: 6px; }
legend { padding: 0 0.3rem; color: var(--muted); font-size: 0.8rem; }
.grow { flex: 1 1 240px; }
.narrow { width: 5rem; }

.status { margin: 0 0 0.5rem; color: var(--muted); font-size: 0.9rem; }
.status.error { color: var(--error); }
.skipped { margin: 0 0 0.75rem; color: var(--muted); font-size: 0.9rem; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
}
th, td { padding: 0.5rem 0.75rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: none; }
tbody tr:nth-child(even) { background: var(--band); }
th { position: sticky; top: 0; background: var(--panel); }
th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
th.sortable:hover { color: var(--text); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
td.nowrap { white-space: nowrap; color: var(--muted); }
td.wrap { word-break: break-word; }

.sev { font-weight: 600; }
.INFO { color: var(--info); }
.WARN { color: var(--warn); }
.ERROR { color: var(--error); }

.pill { display: inline-block; padding: 0.1rem 0.6rem; border-radius: 999px; font-size: 0.85rem; white-space: nowrap; }
.cond-0 { background: var(--pill-0-bg); color: var(--pill-0-fg); }
.cond-1 { background: var(--pill-1-bg); color: var(--pill-1-fg); }
.cond-2 { background: var(--pill-2-bg); color: var(--pill-2-fg); }
.cond-3 { background: var(--pill-3-bg); color: var(--pill-3-fg); }
.cond-4 { background: var(--pill-4-bg); color: var(--pill-4-fg); }

td.changed, .stack > .changed { background: var(--changed); }
.stack > * + * { margin-top: 0.3rem; }
tr.no-sell td:first-child { box-shadow: inset 3px 0 0 var(--info); }
.no-sell-pill { margin-left: 0.25rem; padding: 0 0.5rem; border: 1px solid var(--info); color: var(--info); font-size: 0.75rem; }
td input:not([type="checkbox"]), td select { width: 100%; box-sizing: border-box; padding: 0.25rem 0.4rem; border: 1px solid var(--border); border-radius: 6px; background: var(--panel); color: inherit; font: inherit; }
td input.price-input { width: 7rem; text-align: right; }
input.invalid { border-color: var(--error); }
th.select, td.select { width: 1.5rem; }

.bulk { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem; margin-bottom: 0.75rem; }
.bulk[hidden] { display: none; }
dialog { padding: 1rem 1.25rem; border: 1px solid var(--border); border-radius: 8px; background: var(--panel); color: var(--text); }
dialog::backdrop { background: rgb(0 0 0 / 0.4); }
dialog p { margin: 0 0 0.75rem; max-width: 28rem; }
dialog form { margin-bottom: 0; }
.panel { margin-bottom: 1rem; border: 1px solid var(--border); border-radius: 8px; background: var(--panel); overflow: hidden; }
.panel > summary, .panel > .panel-head { display: flex; justify-content: space-between; align-items: center; margin: 0; padding: 0.6rem 1rem; background: var(--band); }
.panel > summary { cursor: pointer; list-style: none; user-select: none; }
.panel > .panel-head { border-bottom: 1px solid var(--border); }
.panel > summary::-webkit-details-marker { display: none; }
.panel > summary::after { content: ""; width: 0.5rem; height: 0.5rem; margin-right: 0.2rem; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: translateY(-25%) rotate(45deg); transition: transform 0.15s; }
.panel[open] > summary { border-bottom: 1px solid var(--border); }
.panel[open] > summary::after { transform: translateY(25%) rotate(-135deg); }
.panel h2 { margin: 0; font-size: 1.1rem; font-weight: 700; letter-spacing: 0.04em; }
.panel > :not(summary):not(.panel-head) { margin-inline: 1rem; }
.panel > summary + *, .panel > .panel-head + * { margin-top: 1rem; }
.panel > :last-child { margin-bottom: 1rem; }
.panel > table { width: calc(100% - 2rem); }
.table-scroll { max-height: 60vh; overflow: auto; }
.trade-side .compact { margin-bottom: 0.5rem; }
.compact table { font-size: 0.85rem; }
.compact th, .compact td { padding: 0.35rem 0.5rem; }
.sub { color: var(--muted); font-size: 0.8em; }
.trade-sides { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr)); gap: 1rem; }
.trade-side { min-width: 0; overflow-x: auto; }
.trade-side h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.trade-total { margin: 0 0 0.5rem; font-variant-numeric: tabular-nums; }
.trade-result { align-items: baseline; font-variant-numeric: tabular-nums; }
.verdict.pass { color: var(--up); }
.verdict.fail { color: var(--down); }
.panel-row { display: grid; align-items: start; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 1rem; }
.panel-row .panel { margin-bottom: 0; }
.panel-row { margin-bottom: 1rem; }
.selection-stats { margin: 0 0 0.5rem; font-variant-numeric: tabular-nums; }
.selection-stats[hidden] { display: none; }
.trend { margin-right: 0.5rem; font-size: 0.8rem; }
.trend.up { color: var(--up); }
.trend.down { color: var(--down); }
.trend.flat { color: var(--muted); }

.tabs { display: flex; gap: 0.25rem; margin-bottom: 1rem; border-bottom: 1px solid var(--border); }
.tab { border: none; border-bottom: 2px solid transparent; border-radius: 0; background: none; color: var(--muted); }
.tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--info); font-weight: 600; }

.group { margin-bottom: 1.5rem; }
.group > h2 { margin: 0 0 0.75rem; padding-bottom: 0.4rem; border-bottom: 1px solid var(--border); font-size: 1.1rem; }
.set-picker { position: relative; display: inline-block; cursor: pointer; }
.set-picker::after { content: " ▾"; color: var(--muted); }
.set-picker select { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.stat, .chart { padding: 1rem; border: 1px solid var(--border); border-radius: 8px; background: var(--panel); }
.stat-title { color: var(--muted); font-size: 0.85rem; }
.stat-value { margin: 0.25rem 0; font-size: 2rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-delta { font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.stat-note { margin-top: 0.4rem; color: var(--muted); font-size: 0.8rem; }
.stat-value { color: var(--text); }
.stat.up .stat-delta { color: var(--up); }
.stat.down .stat-delta { color: var(--down); }

.chart-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.chart-title { margin: 0; font-size: 1rem; }
.range-btns { display: flex; gap: 0.25rem; }
.range-btn { padding: 0.2rem 0.6rem; font-size: 0.85rem; }
.range-btn[aria-pressed="true"] { border-color: var(--info); color: var(--info); }
.chart-body { position: relative; }
.chart-body svg { display: block; width: 100%; height: auto; touch-action: pan-y; }
.chart .axis line { stroke: var(--border); }
.chart .axis text, .chart-empty { fill: var(--muted); font-size: 11px; }
.chart-line { fill: none; stroke: var(--info); stroke-width: 2; }
.chart-dot { fill: var(--info); }
.chart-bar { fill: var(--info); }
.chart-bar.active { opacity: 0.7; }
.chart-marker { fill: var(--panel); stroke: var(--info); stroke-width: 2; pointer-events: none; }
.chart-controls { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.75rem; }
.chart-swatch { display: inline-block; width: 0.7rem; height: 0.7rem; margin-right: 0.4rem; border-radius: 2px; }
.chart-legend { display: flex; flex-wrap: wrap; gap: 0.4rem 1.25rem; margin: 0.5rem 0 0; padding: 0; list-style: none; font-size: 0.85rem; }
.chart-legend[hidden] { display: none; }
.chart-legend li { display: flex; align-items: center; }
.chart-legend-detail { margin-left: 0.4rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.chart-tooltip-head { color: var(--muted); }
.chart-tooltip-row { display: flex; align-items: center; }
.movers { display: grid; gap: 1rem; margin-top: 1rem; }
.chart-tooltip { position: absolute; transform: translate(-50%, -140%); padding: 0.2rem 0.5rem; border: 1px solid var(--border); border-radius: 6px; background: var(--panel); font-size: 0.8rem; white-space: nowrap; pointer-events: none; }

.pie-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); gap: 1rem; }
.pie-body svg { max-width: 380px; margin: 0 auto; }
.pie-slice { stroke: var(--panel); stroke-width: 1.5; }
.pie-slice.active { opacity: 0.8; }
.pie-label { fill: #fff; font-size: 11px; stroke: rgba(0, 0, 0, 0.5); stroke-width: 3; paint-order: stroke; pointer-events: none; }
.chart-head label { color: var(--muted); font-size: 0.85rem; }

tr.clickable { cursor: pointer; }
tr.clickable:focus td { background: var(--changed); }
@media (hover: hover) { tr.clickable:hover td { background: var(--changed); } }
.card-header { display: flex; flex-wrap: wrap; gap: 1.25rem; margin: 1rem 0; }
.card-photo { height: 400px; width: auto; max-width: 100%; border-radius: 12px; }
.card-photo-empty { width: 287px; display: flex; align-items: center; justify-content: center; color: var(--muted); }
.card-title { margin: 0 0 0.75rem; font-size: 1.6rem; }
.card-facts { display: grid; grid-template-columns: auto 1fr; gap: 0.4rem 1.2rem; margin: 0; font-size: 1.2rem; }
.card-facts dt { color: var(--muted); }
.card-facts dd { margin: 0; }
.card-facts select { font-size: inherit; max-width: 100%; }
.card-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }