:root {
  --bg: #0e0f12;
  --panel: #15171c;
  --panel-2: #1b1e24;
  --border: #262a33;
  --text: #d6d9e0;
  --text-strong: #f2f3f5;
  --muted: #8b909a;
  --accent: #f5d547;
  --bull: #1f9e6e;
  --bear: #ef4f5e;
  --btn-active-bg: #2a2f3a;
  --warn-bg: #3a2a12;
  --warn-text: #f3c77a;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #ffffff;
  --panel: #f6f7f9;
  --panel-2: #eef0f3;
  --border: #dfe2e8;
  --text: #2a2e39;
  --text-strong: #131722;
  --muted: #6a6f7b;
  --accent: #d9b100;
  --bull: #1a8a60;
  --bear: #d63a4c;
  --btn-active-bg: #ffffff;
  --warn-bg: #fff4dc;
  --warn-text: #7a4b00;
  color-scheme: light;
}

* { box-sizing: border-box; }

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

body { min-height: 100vh; }

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  padding: 12px 16px 8px;
}

.brand h1 {
  margin: 0;
  font-size: 17px;
  font-weight: 650;
  color: var(--text-strong);
  letter-spacing: -0.01em;
}

.brand .sub { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }

.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

.seg {
  display: inline-flex;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px;
}

.seg button, .icon-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
}

.seg button:hover, .icon-btn:hover { color: var(--text-strong); }

.seg button[aria-pressed="true"] {
  background: var(--btn-active-bg);
  color: var(--text-strong);
  box-shadow: 0 0 0 1px var(--border);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 30px;
  padding: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
}

button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

.legend {
  min-height: 22px;
  padding: 0 16px 6px;
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 14px;
}

.legend b { color: var(--text-strong); font-weight: 600; }
.legend .up { color: var(--text-strong); }
.legend .down { color: #6f9cf0; }
.legend .chip { font-weight: 650; }
.legend .chip.bull { color: var(--bull); }
.legend .chip.bear { color: var(--bear); }

.chart-wrap {
  position: relative;
  height: max(460px, calc(100vh - 150px));
  margin: 0 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

#chart { position: absolute; inset: 0; }

.chart-msg {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
  color: var(--text);
  background: var(--bg);
}

.chart-msg code {
  background: var(--panel-2);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 5px;
}

.status {
  padding: 8px 16px 0;
  font-size: 12px;
  color: var(--muted);
}

.status.warn {
  margin: 8px 8px 0;
  padding: 8px 10px;
  background: var(--warn-bg);
  color: var(--warn-text);
  border-radius: 8px;
}

.panel { padding: 8px 16px 40px; max-width: 1400px; }

.panel h2 {
  font-size: 14px;
  font-weight: 650;
  color: var(--text-strong);
  margin: 22px 0 8px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-top: 12px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}

.card .k { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.card .v { font-size: 20px; font-weight: 650; color: var(--text-strong); margin-top: 2px; font-variant-numeric: tabular-nums; }
.card .d { font-size: 12px; color: var(--muted); margin-top: 2px; }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

th, td { padding: 8px 12px; text-align: left; border-bottom: 1px solid var(--border); }
th { font-size: 11.5px; font-weight: 600; color: var(--muted); background: var(--panel); text-transform: uppercase; letter-spacing: 0.03em; }
td.num, th.num { text-align: right; }
tbody tr:last-child td { border-bottom: 0; }
td.ret { font-weight: 650; color: var(--text-strong); }
td .muted, .muted { color: var(--muted); }
tr.epoch td { background: var(--panel); font-size: 12.5px; color: var(--muted); }
tr.epoch td b { color: var(--text-strong); }
tr.projected td { color: var(--muted); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-weight: 650;
}

.tag::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: currentColor;
}

.tag.bull { color: var(--bull); }
.tag.bear { color: var(--bear); }
.tag .lbl { color: var(--text-strong); }
tr.projected .tag .lbl { color: var(--muted); }

.pill {
  display: inline-block;
  margin-left: 6px;
  padding: 0 6px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--muted);
}

.method { margin-top: 18px; color: var(--muted); font-size: 13px; }
.method summary { cursor: pointer; color: var(--text); font-weight: 600; }
.method li { margin: 6px 0; }
.method strong { color: var(--text); }

@media (max-width: 640px) {
  .brand h1 { font-size: 15px; }
  .chart-wrap { height: 70vh; min-height: 420px; }
  .seg button { padding: 5px 8px; }
}