/* Bot For You — botfy.com. Minimal, fast, JS-optional.
 * Theme system (visual-design-system spec §3): LIGHT is the default (:root); dark is opt-in
 * via the OS preference or an explicit [data-theme] override (future toggle). One 538-adapted
 * dual palette — base UI colours + the chart palette (--chart-canvas, --cat-*, --seq-*) — kept
 * in sync so the theme-aware Vega config (charts.js) renders coherently in both moods. */
:root, :root[data-theme="light"] {
  /* base / UI */
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-2: #eef1f4;
  --border: #d8d8d8;
  --fg: #1f2328;
  --muted: #57606a;
  --accent: #0969da;
  --accent-2: #1a7f37;
  --warn: #9a6700;
  --danger: #cf222e;
  --bar: #008fd5;
  /* new components (visual spec §3.1) */
  --bar-track: color-mix(in srgb, var(--fg) 8%, transparent);
  --tint-pos: color-mix(in srgb, var(--accent) 14%, transparent);
  --tint-neg: color-mix(in srgb, var(--warn) 16%, transparent);
  --shadow: 0 1px 2px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);
  /* chart palette — 538-classic (light) */
  --chart-canvas: #f0f0f0;
  --cat-1: #008fd5; --cat-2: #fc4f30; --cat-3: #e5ae38; --cat-4: #6d904f;
  --cat-5: #810f7c; --cat-6: #137e6d; --cat-7: #ff796c; --cat-8: #8b8b8b;
  --seq-1: #eaf2ff; --seq-2: #a8ccf0; --seq-3: #5a9bd4; --seq-4: #2166ac; --seq-5: #0b3d91;
}
/* Dark: opt-in via OS preference OR explicit override. 538-after-dark — same personality,
 * hues lifted ~10-15% off a framed dark canvas (visual spec §3.2.1). NOTE: this dark column is
 * the current GitHub-dark-coherent set; V6 finalizes the lifted categoricals after AA review. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1117; --panel: #161b22; --panel-2: #1c2330; --border: #2b3444;
    --fg: #c9d4e3; --muted: #8b949e; --accent: #58a6ff; --accent-2: #3fb950;
    --warn: #d29922; --danger: #f85149; --bar: #4cb3e6;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 3px rgba(0,0,0,.3);
    --chart-canvas: #1a2130;
    --cat-1: #4cb3e6; --cat-2: #ff6b52; --cat-3: #f0c04f; --cat-4: #8fb56a;
    --cat-5: #b565ad; --cat-6: #3fb8a3; --cat-7: #ff9d93; --cat-8: #9aa4b0;
    --seq-1: #12233f; --seq-2: #24466f; --seq-3: #3f6fa8; --seq-4: #5688d0; --seq-5: #6ea8ff;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1117; --panel: #161b22; --panel-2: #1c2330; --border: #2b3444;
  --fg: #c9d4e3; --muted: #8b949e; --accent: #58a6ff; --accent-2: #3fb950;
  --warn: #d29922; --danger: #f85149; --bar: #4cb3e6;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 1px 3px rgba(0,0,0,.3);
  --chart-canvas: #1a2130;
  --cat-1: #4cb3e6; --cat-2: #ff6b52; --cat-3: #f0c04f; --cat-4: #8fb56a;
  --cat-5: #b565ad; --cat-6: #3fb8a3; --cat-7: #ff9d93; --cat-8: #9aa4b0;
  --seq-1: #12233f; --seq-2: #24466f; --seq-3: #3f6fa8; --seq-4: #5688d0; --seq-5: #6ea8ff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
header.site {
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  position: sticky; top: 0; z-index: 10;
}
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.brand { display: flex; align-items: center; gap: 12px; padding: 14px 0 0; }
.brand .logo { font-size: 22px; font-weight: 700; letter-spacing: -.5px; }
.brand .logo span { color: var(--accent); }
.brand .tag { color: var(--muted); font-size: 13px; }
/* Theme toggle (§6): keyboard-accessible button, pushed to the right of the brand row. */
.theme-toggle { margin-left: auto; background: transparent; border: 1px solid var(--border);
  color: var(--muted); border-radius: 6px; padding: 4px 9px; font-size: 15px; cursor: pointer;
  line-height: 1; }
.theme-toggle:hover { color: var(--fg); border-color: var(--muted); }
/* Visible focus ring for keyboard users (§6 accessibility). */
a:focus-visible, button:focus-visible, summary:focus-visible, .theme-toggle:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
nav.main { display: flex; flex-wrap: wrap; gap: 4px; padding: 10px 0 0; }
nav.main a {
  padding: 7px 12px; border-radius: 6px 6px 0 0; color: var(--muted);
  font-size: 14px; border: 1px solid transparent; border-bottom: none;
}
nav.main a.active { color: var(--fg); background: var(--bg); border-color: var(--border); }
nav.main a:hover { color: var(--fg); text-decoration: none; }
main { padding: 26px 0 60px; }
h1 { font-size: 26px; margin: 0 0 4px; letter-spacing: -.5px; }
h2 { font-size: 21px; font-weight: 650; margin: 28px 0 6px; letter-spacing: -.2px; }
h3 { font-size: 15px; margin: 18px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.asof { color: var(--muted); font-size: 13px; margin-bottom: 18px; }
.asof strong { color: var(--fg); }
/* Section description directly under an h2 (visual spec §4.1). */
.card-desc { color: var(--muted); font-size: 14px; margin: 0 0 14px; }
/* Stat tiles (§4.2): 3-col desktop → clean 3×2 for 6 tiles (no orphan), responsive down. */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 16px 0; }
@media (max-width: 780px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .cards { grid-template-columns: 1fr; } }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
        padding: 16px; border-top: 3px solid var(--border); box-shadow: var(--shadow); }
/* §5.2 semantic color axis: blue = presence/open, amber/red = blocking/absence. */
.card.pos { border-top-color: var(--accent); }
.card.neg { border-top-color: var(--warn); }
.card .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.card .v { font-size: 30px; font-weight: 700; margin: 6px 0 2px; }
.card .base { color: var(--accent); }
.card .sub { color: var(--muted); font-size: 12px; }
/* §4.2 ghost-tick baseline bar: our value filled, a 2px tick at the Almanac baseline. */
.card .tick { position: relative; height: 4px; border-radius: 2px; background: var(--bar-track);
              margin: 6px 0 6px; }
.card .tick-fill { position: absolute; inset: 0 auto 0 0; height: 100%; border-radius: 2px;
                   background: var(--accent); }
.card .tick-fill.neg { background: var(--warn); }
.card .tick-mark { position: absolute; top: -2px; width: 2px; height: 8px; background: var(--fg);
                   opacity: .55; transform: translateX(-1px); }
/* Dashboard 2-col card grid (§4.3, Plausible pattern) — collapses to 1 col < 720px.
 * align-items:start so a short card (posture) doesn't stretch to a tall neighbour's height. */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
             gap: 20px; margin: 16px 0; align-items: start; }
@media (max-width: 720px) { .card-grid { grid-template-columns: 1fr; } }
.panel-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
              padding: 16px 18px; margin: 16px 0; box-shadow: var(--shadow); }
.card-grid .panel-card { margin: 0; }
.panel-card h2 { margin-top: 4px; }
.card-foot { margin: 12px 0 0; font-size: 14px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin: 16px 0; box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: right; padding: 7px 10px; border-bottom: 1px solid var(--border); }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .4px; }
tbody tr:hover { background: var(--panel-2); }
/* Bar-in-row ranked list (visual spec §5.2): a tint bar BEHIND the label + value. Set --pct
 * and --row-tint inline per row. z-index keeps text above the ::before bar. */
.bar-row { position: relative; display: flex; justify-content: space-between; align-items: center;
           padding: 6px 10px; border-radius: 6px; font-size: 13px; margin: 3px 0; }
.bar-row::before { content: ""; position: absolute; inset: 0; width: var(--pct, 0%);
                   background: var(--row-tint, var(--bar-track)); opacity: .85;
                   border-radius: 6px; z-index: 0; }
.bar-row > * { position: relative; z-index: 1; }
.bar-label { display: flex; align-items: center; gap: 8px; overflow: hidden;
             text-overflow: ellipsis; white-space: nowrap; }
.bar-val { font-variant-numeric: tabular-nums; color: var(--fg); font-weight: 600; }
/* Legend-as-KPI header (§5.1): series name = colour = big value, inline above a chart. */
.kpi-legend { display: flex; flex-wrap: wrap; gap: 8px 20px; margin: 4px 0 14px; }
.kpi { display: inline-flex; align-items: baseline; gap: 6px; font-size: 13px; }
.kpi-dot { width: 10px; height: 10px; border-radius: 2px; align-self: center; }
.kpi-name { color: var(--muted); }
.kpi-val { font-weight: 700; font-size: 15px; font-variant-numeric: tabular-nums; }
.block-rate { color: var(--warn); font-size: 12px; font-weight: 600; }
/* Explorer live-file links + per-bot verdict coloring (Phase A). */
.live-files { display: flex; flex-wrap: wrap; gap: 8px; }
.verdict-block { color: var(--warn); }
.verdict-allow { color: var(--accent); }
.verdict-partial { color: var(--muted); }
/* Anatomy triptych (Phase B): typical / exemplary / pathological llms.txt. */
.anatomy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: start; }
@media (max-width: 900px) { .anatomy-grid { grid-template-columns: 1fr; } }
.anatomy-card { display: flex; flex-direction: column; gap: 8px; }
.anatomy-head { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.anatomy-tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; padding: 2px 8px; border-radius: 10px; }
.anatomy-tag-typical { background: rgba(88,166,255,.15); color: var(--accent); }
.anatomy-tag-exemplary { background: rgba(63,185,80,.15); color: var(--pos, #3fb950); }
.anatomy-tag-pathological { background: rgba(210,153,34,.18); color: var(--warn); }
.anatomy-crit { margin: 4px 0; padding-left: 18px; font-size: 13px; }
.anatomy-crit li { margin: 2px 0; }
.anatomy-meta { font-size: 12px; }
.anatomy-blurb { font-size: 13px; }
.sample-pre { max-height: 360px; overflow: auto; background: var(--chart-canvas, #1a2130); padding: 10px 12px; border-radius: 8px; font-size: 12px; white-space: pre-wrap; word-break: break-word; }
.tag-pill { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 10px; margin-left: 6px; vertical-align: middle; }
.pill-hyp { background: rgba(210,153,34,.18); color: var(--warn); border: 1px solid rgba(210,153,34,.4); }
.pill-dir { background: rgba(88,166,255,.15); color: var(--accent); border: 1px solid rgba(88,166,255,.4); }
.pill-trunc { background: rgba(210,153,34,.14); color: var(--warn); border: 1px solid rgba(210,153,34,.35); }
.pill-muted { background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }
.note { background: var(--panel-2); border-left: 3px solid var(--warn); padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 14px 0; font-size: 14px; color: var(--fg); }
.note.info { border-left-color: var(--accent); }
.controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 14px 0; }
.controls a, .controls .seg-btn {
  font-size: 13px; padding: 5px 11px; border: 1px solid var(--border);
  border-radius: 6px; color: var(--muted); background: var(--panel);
}
.controls a.on { color: var(--fg); border-color: var(--accent); background: var(--panel-2); }
.controls .label { color: var(--muted); font-size: 12px; margin-right: 2px; }
.muted { color: var(--muted); }
/* Corrections log (methodology): a published restatement, styled as a citable entry. */
dl.corrections { margin: 14px 0 0; }
dl.corrections dt { margin-top: 14px; font-size: 15px; }
dl.corrections dd {
  margin: 8px 0 0; padding: 12px 14px; border: 1px solid var(--border);
  border-left: 3px solid var(--accent); border-radius: 6px; background: var(--panel);
}
dl.corrections dd p { margin: 0 0 10px; }
dl.corrections dd p:last-child { margin-bottom: 0; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
footer.site { border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; padding: 22px 0; margin-top: 30px; }
.baseline { color: var(--muted); font-size: 12px; }
.two-bar { display: flex; gap: 24px; align-items: flex-end; height: 200px; margin: 20px 0; }
.two-bar .col { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.two-bar .col .fill { width: 90px; background: var(--bar); border-radius: 6px 6px 0 0; min-height: 2px; }
.two-bar .col .fill.dim { background: var(--muted); }
.two-bar .col .cap { margin-top: 8px; font-size: 13px; text-align: center; }
.two-bar .col .num { font-weight: 700; font-size: 18px; margin-bottom: 6px; }

/* Popularity lenses: source tabs + bounded, server-rendered evidence table. */
.lens-tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 18px 0; }
.lens-tabs a, .lens-disabled { display: flex; flex-direction: column; gap: 3px; min-width: 0;
  padding: 12px 14px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--panel); color: var(--fg); text-decoration: none; }
.lens-tabs a:hover { border-color: var(--accent); }
.lens-tabs a.active { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.lens-tabs a span, .lens-disabled span { color: var(--muted); font-size: 12px; }
.lens-disabled { opacity: .62; cursor: not-allowed; }
.ranking-intro { display: flex; justify-content: space-between; gap: 30px; align-items: flex-start; }
.ranking-intro h2 { margin: 4px 0 6px; }
.ranking-intro p { margin: 0; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.ranking-source-meta { min-width: 190px; display: grid; gap: 4px; text-align: right; }
.ranking-source-meta span { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.ranking-table-wrap { overflow-x: auto; padding: 0; }
.ranking-table th:first-child, .ranking-table td:first-child { width: 110px; text-align: right; }
.ranking-table th:nth-child(2), .ranking-table td:nth-child(2) { text-align: left; }
.ranking-table td { height: 44px; }
.rank-num { color: var(--muted); font-variant-numeric: tabular-nums; }
.domain-link { font-weight: 650; }
.ranking-table small { display: block; margin-top: 2px; color: var(--muted); }
.status-dot { white-space: nowrap; }
.status-dot::before { content: ""; display: inline-block; width: 7px; height: 7px;
  margin-right: 6px; border-radius: 50%; background: var(--muted); }
.status-ok::before { background: var(--accent-2); }
.status-warn::before { background: var(--warn); }
.status-off::before { background: var(--muted); }
.method-note { color: var(--muted); font-size: 13px; margin: 18px 0 28px; }

/* ── Phase 2: IA + nav ─────────────────────────────────────────────────────── */
.nav-sep { width: 1px; align-self: center; height: 18px; background: var(--border); margin: 0 4px; }
.asof-counts { display: block; margin-top: 4px; color: var(--muted); }
.controls.examples { margin-top: -6px; }
/* Mobile: nav becomes a single horizontally-scrollable row instead of a 3-line wrap. */
@media (max-width: 640px) {
  nav.main { flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; }
  nav.main a { white-space: nowrap; }
  .nav-sep { display: none; }
  .lens-tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ranking-intro { display: block; }
  .ranking-source-meta { margin-top: 16px; text-align: left; }
}

/* ── Phase 3: Vega-Lite chart figures + no-JS table fallback ────────────────── */
figure.chart { margin: 16px 0; }
figure.chart .chart-title { font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--fg); }
figure.chart .chart-canvas { width: 100%; min-height: 120px; }
figure.chart .chart-canvas:empty { min-height: 120px; }
figure.chart details.chart-data { margin-top: 8px; }
figure.chart details.chart-data > summary {
  cursor: pointer; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px;
}
figure.chart details.chart-data[open] > summary { margin-bottom: 8px; }
figure.chart .chart-cap { margin-top: 8px; font-size: 13px; }
.chart-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin: 16px 0; }
.chart-grid table.mini td { padding: 2px 8px; font-size: 13px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin: 16px 0; }
.grid-2 .panel h3 { margin-top: 0; }

/* ── Phase 4: citable report (anchors + cite box) ───────────────────────────── */
h2.anchored .anchor-link { opacity: 0; color: var(--muted); text-decoration: none; margin-left: 6px; font-weight: 400; }
h2.anchored:hover .anchor-link { opacity: 1; }
.cite-box { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; margin: 12px 0; }
.cite-box pre { white-space: pre-wrap; word-break: break-word; font-size: 13px; color: var(--fg); margin: 0 0 10px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }