:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #1b1f24;
  --muted: #5d6673;
  --border: #e1e4e8;
  --accent: #2459d6;
  --good: #1a7f37;
  --bad: #c62828;
  --warn: #9a6700;
  --chip: #eef1f5;
  --row-hover: #f3f6fb;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1216;
    --card: #171b21;
    --text: #e6e9ee;
    --muted: #97a1ae;
    --border: #2a3039;
    --accent: #7aa2ff;
    --good: #4cc276;
    --bad: #ff6b6b;
    --warn: #e3b341;
    --chip: #222831;
    --row-hover: #1d232b;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

h1 { font-size: 18px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 13px; margin: 0 0 8px; color: var(--muted); font-weight: 600; }
a { color: var(--accent); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.good { color: var(--good); }
.bad { color: var(--bad); }
.warn { color: var(--warn); }
.mono { font-family: var(--mono); }

.top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  padding: 12px 16px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; }
.badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--chip);
  white-space: nowrap;
}
.badge.paper { color: var(--warn); border: 1px solid var(--warn); background: transparent; }
.tabs { display: flex; gap: 4px; }
.tab {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 6px;
  font: inherit;
  cursor: pointer;
}
.tab.active { background: var(--chip); color: var(--text); font-weight: 600; }
.run-status { margin-left: auto; font-size: 12px; color: var(--muted); }

main { max-width: 1200px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }
.tab-panel { display: grid; gap: 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  box-shadow: var(--shadow);
  min-width: 0;
}
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }

.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.tile { background: var(--chip); border-radius: 8px; padding: 10px 12px; }
.tile .label { font-size: 12px; color: var(--muted); }
.tile .value { font-size: 20px; font-weight: 650; font-variant-numeric: tabular-nums; }

.chart-wrap { margin-top: 16px; }
.chart svg { width: 100%; height: auto; display: block; }
.chart .axis { stroke: var(--border); }
.chart .gridline { stroke: var(--border); stroke-dasharray: 2 3; }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 2; }
.chart .area { fill: var(--accent); opacity: 0.08; }
.chart .start { stroke: var(--muted); stroke-dasharray: 4 4; }
.chart text { fill: var(--muted); font-size: 11px; }
.chart .marker.won { fill: var(--good); }
.chart .marker.lost { fill: var(--bad); }
.chart .marker.open, .chart .marker.void { fill: var(--warn); }

.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.data th, table.data td { padding: 6px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
table.data th { font-size: 12px; color: var(--muted); font-weight: 600; white-space: nowrap; }
table.data th[data-sort] { cursor: pointer; user-select: none; }
table.data th.sorted::after { content: " ▾"; }
table.data th.sorted.asc::after { content: " ▴"; }
table.data .num { text-align: right; }
table.data tbody tr.clickable { cursor: pointer; }
table.data tbody tr.clickable:hover { background: var(--row-hover); }
table.data tr.qualifies td:first-child { box-shadow: inset 3px 0 0 var(--good); }
td.market-cell { min-width: 240px; }
.ticker { font-family: var(--mono); font-size: 11px; color: var(--muted); }

.news { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.news li { border-bottom: 1px solid var(--border); padding-bottom: 12px; }
.news .title { font-weight: 600; }
.news .meta { font-size: 12px; color: var(--muted); margin: 2px 0 6px; }
.news .summary { white-space: pre-line; }
.status-chip { font-size: 11px; margin-right: 8px; }

.position-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px 16px; }
.kv .k { font-size: 12px; color: var(--muted); }
.kv .v { font-variant-numeric: tabular-nums; }
.empty { font-weight: 650; color: var(--muted); letter-spacing: 0.04em; }

.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }

pre.log {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--chip);
  padding: 12px;
  border-radius: 8px;
  overflow-x: auto;
  white-space: pre;
  max-height: 70vh;
}

button.link { background: none; border: 0; color: var(--accent); padding: 8px 0 0; font: inherit; cursor: pointer; }
button.primary {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 10px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

dialog {
  width: min(860px, calc(100vw - 32px));
  max-height: calc(100vh - 64px);
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  padding: 20px;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.45); }
.dialog-close { position: sticky; top: 0; float: right; margin: -8px -8px 0 0; }
.dialog-close button { background: var(--chip); color: var(--text); border: 0; border-radius: 6px; font-size: 18px; width: 32px; height: 32px; cursor: pointer; }
.detail-section { margin-top: 16px; }
.reasoning { background: var(--chip); border-radius: 8px; padding: 10px 12px; }

body.login { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-box {
  display: grid;
  gap: 12px;
  width: min(360px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}
.login-box p { margin: 0; color: var(--muted); }
#code {
  font: 600 28px/1 var(--mono);
  letter-spacing: 0.2em;
  text-align: center;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  width: 100%;
}
.status { min-height: 20px; color: var(--warn); font-size: 13px; }

@media (max-width: 640px) {
  .run-status { margin-left: 0; width: 100%; }
  main { padding: 12px; }
}

.position + .position { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }

.badge.demo { color: var(--accent); border: 1px solid var(--accent); background: transparent; }
.badge.live { color: #fff; background: var(--bad); }
.banner {
  background: var(--bad);
  color: #fff;
  border-radius: 10px;
  padding: 12px 16px;
  font-weight: 600;
}