:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --ring: rgba(11, 11, 11, 0.10);
  --accent: #2a78d6;
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100;
  --s5: #e87ba4; --s6: #008300; --s-system: #6250d6; --s-other: #a8a69f;
  --heat-0: #f0efec;
  --h1: #cde2fb; --h2: #9ec5f4; --h3: #6da7ec; --h4: #3987e5; --h5: #256abf; --h6: #184f95; --h7: #0d366b;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --ring: rgba(255, 255, 255, 0.10); --accent: #3987e5;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
    --s5: #d55181; --s6: #008300; --s-system: #9085e9; --s-other: #6b6a65;
    --heat-0: #262624;
    --h1: #104281; --h2: #184f95; --h3: #1c5cab; --h4: #2a78d6; --h5: #5598e7; --h6: #86b6ef; --h7: #cde2fb;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --ink: #f0efec; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --ring: rgba(255, 255, 255, 0.10); --accent: #3987e5;
  --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500;
  --s5: #d55181; --s6: #008300; --s-system: #9085e9; --s-other: #6b6a65;
  --heat-0: #262624;
  --h1: #104281; --h2: #184f95; --h3: #1c5cab; --h4: #2a78d6; --h5: #5598e7; --h6: #86b6ef; --h7: #cde2fb;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}
a { color: var(--accent); }
code { font-size: 0.92em; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 16px; }

header { padding-top: 28px; }
.title-row { display: flex; gap: 16px; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; }
h1 { font-size: 26px; margin: 0 0 6px; letter-spacing: -0.01em; }
.sub { margin: 0; color: var(--ink-2); max-width: 64ch; }
.stamp { color: var(--muted); font-size: 13px; margin: 12px 0 0; }

button {
  font: inherit; font-size: 13px; color: var(--ink-2); background: transparent;
  border: 1px solid var(--ring); border-radius: 6px; padding: 5px 10px; cursor: pointer;
  min-height: 32px;
}
button[aria-pressed="true"] { color: var(--ink); background: var(--surface); border-color: var(--axis); font-weight: 600; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.theme { display: flex; gap: 4px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 24px 0 16px; }
.tile { background: var(--surface); border: 1px solid var(--ring); border-radius: 10px; padding: 12px 14px; }
.tile .label { color: var(--ink-2); font-size: 13px; }
.tile .value { font-size: 26px; font-weight: 600; margin-top: 2px; }
.tile .hint { color: var(--muted); font-size: 12px; }

.filters { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: 8px 0 16px; position: sticky; top: 0; z-index: 2; background: var(--page); padding: 8px 0; }
.filters-label { color: var(--muted); font-size: 13px; margin-right: 4px; }

.card { background: var(--surface); border: 1px solid var(--ring); border-radius: 12px; padding: 16px 16px 8px; margin: 0 0 16px; }
.card h2 { font-size: 17px; margin: 0 0 4px; }
.note { color: var(--ink-2); font-size: 13px; margin: 0 0 12px; max-width: 80ch; }
.note.wide { margin-bottom: 16px; }
h2.part { font-size: 20px; margin: 36px 0 4px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.badge { font-size: 12px; font-weight: 600; color: var(--ink-2); border: 1px solid var(--axis); border-radius: 999px; padding: 1px 8px; }

.chart { position: relative; height: 300px; }
.chart.short { height: 220px; }
@media (max-width: 600px) { .chart { height: 260px; } .chart.short { height: 200px; } h1 { font-size: 22px; } }

details { margin: 8px 0; }
summary { cursor: pointer; color: var(--ink-2); font-size: 13px; padding: 4px 0; }
.table { overflow-x: auto; max-height: 360px; overflow-y: auto; margin-top: 6px; }
table { border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; }
th, td { padding: 3px 10px 3px 0; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--grid); }
th:first-child, td:first-child { text-align: left; }
thead th { position: sticky; top: 0; background: var(--surface); color: var(--ink-2); font-weight: 600; }

.heat { overflow-x: auto; }
.heat-grid { display: grid; grid-template-columns: 34px repeat(24, minmax(16px, 1fr)); gap: 2px; min-width: 460px; font-size: 11px; color: var(--muted); }
.heat-grid .cell { height: 24px; border-radius: 3px; background: var(--heat-0); }
.heat-grid .cell:hover, .heat-grid .cell:focus { outline: 2px solid var(--ink); outline-offset: -1px; }
.heat-grid .rl { align-self: center; }
.heat-grid .cl { text-align: center; }
.heat-legend { display: flex; gap: 2px; align-items: center; margin: 10px 0 4px; font-size: 11px; color: var(--muted); flex-wrap: wrap; }
.heat-legend span.sw { width: 22px; height: 12px; border-radius: 2px; display: inline-block; }
.heat-tip { min-height: 18px; font-size: 12px; color: var(--ink-2); margin-top: 4px; }

footer { color: var(--muted); font-size: 13px; padding-bottom: 32px; }