/* ------------------------------------------------------------------ tokens */
:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --wash: rgba(11, 11, 11, 0.04);
  --over: #e34948;
  --over-strong: #9c2322;
  --under: #2a78d6;
  --under-strong: #184f95;
  --under-soft: #9ec5f4;
  --over-soft: #f4b3b2;
  --normal: #c3c2b7;
  --neutral: #f0efec;
  --flag: #52514e;
  --accent: #2a78d6;
  --sans: system-ui, -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d;
    --surface: #1a1a19;
    --ink: #ffffff;
    --ink-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.10);
    --wash: rgba(255, 255, 255, 0.05);
    --over: #e66767;
    --over-strong: #f4b3b2;
    --under: #3987e5;
    --under-strong: #9ec5f4;
    --under-soft: #1c5cab;
    --over-soft: #8a2e2d;
    --normal: #5c5b57;
    --neutral: #383835;
    --flag: #c3c2b7;
    --accent: #3987e5;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --axis: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --wash: rgba(255, 255, 255, 0.05);
  --over: #e66767;
  --over-strong: #f4b3b2;
  --under: #3987e5;
  --under-strong: #9ec5f4;
  --under-soft: #1c5cab;
  --over-soft: #8a2e2d;
  --normal: #5c5b57;
  --neutral: #383835;
  --flag: #c3c2b7;
  --accent: #3987e5;
}

/* ------------------------------------------------------------------ base */
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--page);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
h1, h2 { margin: 0; letter-spacing: -0.01em; }
h1 { font-size: clamp(22px, 3vw, 30px); line-height: 1.25; }
h2 { font-size: 17px; }
code { font-size: 0.92em; }
.wrap { max-width: 1320px; margin: 0 auto; padding: 0 16px; }

button, select, input { font: inherit; color: inherit; }
.ghost {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 12px;
  cursor: pointer;
}
.ghost:hover { background: var(--wash); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ------------------------------------------------------------------ header */
.top { background: var(--surface); border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.top-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 22px; padding-bottom: 22px; }
.eyebrow { margin: 0 0 6px; font-size: 13px; color: var(--ink-2); }

/* ------------------------------------------------------------------ cards / grid */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 16px;
  min-width: 0;
}
.card-h { margin-bottom: 10px; }
.card-h p { margin: 4px 0 0; font-size: 13px; color: var(--ink-2); }
.grid { display: grid; gap: 16px; margin-bottom: 0; }
.grid > .card { margin-bottom: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g-map { grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); }
@media (max-width: 960px) {
  .g2, .g-map { grid-template-columns: minmax(0, 1fr); }
}
.plot { width: 100%; height: 340px; }
.plot.tall { height: 560px; }
@media (max-width: 600px) {
  .plot.tall { height: 440px; }
  .card { padding: 14px; }
}

/* ------------------------------------------------------------------ explain */
.explain h2 { margin-bottom: 10px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.steps li { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--ink-2); }
.steps b { color: var(--ink); }
@media (max-width: 860px) { .steps { grid-template-columns: minmax(0, 1fr); } }
.tag {
  font-style: normal;
  font-size: 12.5px;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 999px;
  white-space: nowrap;
  color: var(--ink);
  border: 1px solid var(--border);
}
.tag::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; vertical-align: 0; }
.tag.over::before { background: var(--over); }
.tag.under::before { background: var(--under); }
.tag.normal::before { background: var(--normal); }
.tag.rise::before { background: var(--under); box-shadow: 0 0 0 2px var(--under-soft); }
.tag.flag::before { background: transparent; border: 1.5px solid var(--flag); border-radius: 2px; }

/* ------------------------------------------------------------------ KPI */
.kpis { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
@media (max-width: 1100px) { .kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 560px) { .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; }
.kpi .label { font-size: 13px; color: var(--ink-2); display: flex; align-items: center; gap: 6px; }
.kpi .value { font-size: 30px; font-weight: 700; line-height: 1.15; margin-top: 4px; }
.kpi .sub { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }

/* ------------------------------------------------------------------ filters */
.filters { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: flex-end; position: sticky; top: 0; z-index: 5; }
.filters label { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--ink-2); }
.filters select, .filters input {
  background: var(--page);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  min-width: 200px;
  font-size: 14px;
}
.search { flex: 1 1 200px; }
.search input { width: 100%; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  border: 1px solid var(--border);
  background: transparent;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.chip:hover { background: var(--wash); }
.chip[aria-pressed="true"] { border-color: var(--ink-2); background: var(--wash); font-weight: 600; }
.chip[aria-pressed="false"] { color: var(--muted); }
.chip[aria-pressed="false"] .dot { opacity: 0.35; }

/* ------------------------------------------------------------------ detail */
.detail .stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 12px; margin: 6px 0 8px; }
.stat { border-top: 1px solid var(--border); padding-top: 6px; }
.stat .k { font-size: 12px; color: var(--muted); }
.stat .v { font-size: 17px; font-weight: 650; }
.note { font-size: 13px; color: var(--ink-2); margin: 6px 0 0; }
.note.warn { color: var(--ink); background: var(--wash); border-radius: 8px; padding: 8px 10px; }

/* ------------------------------------------------------------------ perf */
.perf { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.perf .pm { border: 1px solid var(--border); border-radius: 10px; padding: 6px 10px; font-size: 13px; }
.perf .pm.best { border-color: var(--accent); }
.perf .pm b { font-variant-numeric: tabular-nums; }

/* ------------------------------------------------------------------ table */
.table-tools { display: flex; gap: 8px; margin-bottom: 8px; }
.table-wrap { overflow: auto; max-height: 640px; border: 1px solid var(--border); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
thead th {
  position: sticky; top: 0;
  background: var(--surface);
  text-align: left;
  font-weight: 600;
  color: var(--ink-2);
  padding: 9px 12px;
  border-bottom: 1px solid var(--axis);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
thead th:hover { color: var(--ink); }
thead th[aria-sort="ascending"]::after { content: " ▲"; font-size: 10px; }
thead th[aria-sort="descending"]::after { content: " ▼"; font-size: 10px; }
td { padding: 7px 12px; border-bottom: 1px solid var(--grid); white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
tr.gu-row { cursor: pointer; font-weight: 600; background: var(--wash); }
tr.gu-row td:first-child::before { content: "▸ "; color: var(--muted); }
tr.gu-row.open td:first-child::before { content: "▾ "; }
tr.dong-row { cursor: pointer; }
tr.dong-row td:first-child { padding-left: 34px; }
tr.dong-row:hover { background: var(--wash); }
tr.dong-row.sel { outline: 2px solid var(--accent); outline-offset: -2px; }
.pos { color: var(--over-strong); }
.neg { color: var(--under-strong); }
.mini { display: inline-flex; gap: 3px; margin-left: 8px; vertical-align: middle; }
.mini i { display: inline-block; height: 8px; border-radius: 2px; }

/* ------------------------------------------------------------------ prose */
.prose ol, .prose ul { margin: 10px 0 0; padding-left: 20px; }
.prose li { margin-bottom: 9px; color: var(--ink-2); font-size: 14.5px; }
.prose li b { color: var(--ink); }
.caution { border-left: 3px solid var(--muted); }

.foot { font-size: 12.5px; color: var(--muted); padding: 8px 0 40px; }