/* CTA bus speed scorecard. Layout: a transit notebook with a 68ch prose column and wide figure panels.
   Midday is the cool reference (blue); rush hour is the warm slowdown (orange). Map/heatmap classes run
   warm (slower) through neutral gray (typical, 8-10 mph) to cool (faster). */
@font-face {
  font-family: "Big Shoulders Display";
  src: url("fonts/big-shoulders-display-800.woff2") format("woff2");
  font-weight: 800;
  font-display: swap;
}

:root {
  color-scheme: light;
  --bg: #fbfaf7;
  --panel: #ffffff;
  --band: #f3f1ec;
  --fg: #121211;
  --muted: #57554f;
  --faint: #6d6a62;
  --line: #e3e1d9;
  --axis: #c9c6bc;
  --mid: #2a78d6;
  --rush: #e8622f;
  --mid-text: #2165b5;
  --rush-text: #b74118;
  --rush-soft: #f4b59c;
  --am: #86837b;
  --accent: var(--rush-text);
  --focus: #2a78d6;
  --c0: #9f2a22; --c1: #df4a3f; --c2: #f19c82; --c3: #bcb9b0; --c4: #8db8ee; --c5: #3a86e0; --c6: #164f98;
  --land: #ecebe5;
  --shadow: 0 1px 2px rgba(18, 18, 17, .06), 0 6px 24px rgba(18, 18, 17, .05);
  --font-display: "Big Shoulders Display", "Arial Narrow", "Helvetica Neue Condensed", Impact, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #141413; --panel: #1c1c1a; --band: #22221f; --fg: #f0efec; --muted: #c3c2b7; --faint: #8f8c84;
    --line: #2f2e2b; --axis: #45443f; --mid: #4c96ec; --rush: #f27a49; --rush-soft: #7a3d26; --am: #8f8c84;
    --accent: #f27a49; --focus: #6aa8f0; --c3: #8e8b83; --land: #262624;
    --mid-text: var(--mid); --rush-text: var(--rush);
    --shadow: 0 1px 2px rgba(0, 0, 0, .4);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #141413; --panel: #1c1c1a; --band: #22221f; --fg: #f0efec; --muted: #c3c2b7; --faint: #8f8c84;
  --line: #2f2e2b; --axis: #45443f; --mid: #4c96ec; --rush: #f27a49; --rush-soft: #7a3d26; --am: #8f8c84;
  --accent: #f27a49; --focus: #6aa8f0; --c3: #8e8b83; --land: #262624;
  --mid-text: var(--mid); --rush-text: var(--rush);
  --shadow: 0 1px 2px rgba(0, 0, 0, .4);
}

.bus-page, .bus-page * { box-sizing: border-box; }
.bus-page [hidden] { display: none !important; }
.bus-page {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 var(--font-body);
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  -webkit-text-size-adjust: 100%;
}
.bus-page h1, .bus-page h2, .bus-page h3, .bus-page p, .bus-page ul, .bus-page figure { margin: 0; }
.bus-page a { color: inherit; text-decoration: underline; text-decoration-color: var(--axis); text-underline-offset: 2px; }
.bus-page a:hover { text-decoration-color: var(--fg); }
.bus-page :is(a, button, summary, [tabindex]):focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.bus-head, .bus-main, .bus-foot { max-width: 1120px; margin: 0 auto; }
.bus-head { padding-block: 2.2rem 1.4rem; display: grid; gap: .55rem; justify-items: start; }
.bus-back { font-size: .9rem; color: var(--muted); text-decoration: none; }
.bus-kicker { padding-top: 1.1rem; font-size: .78rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); }
.bus-title {
  font-family: var(--font-display); font-weight: 800; text-transform: uppercase;
  font-size: clamp(3.1rem, 10vw, 7.2rem); line-height: .88; letter-spacing: .005em; margin-top: .6rem; text-wrap: balance;
}
.bus-dek { margin-top: 1rem; font-size: clamp(1.05rem, 2.2vw, 1.3rem); line-height: 1.45; color: var(--muted); max-width: 58ch; text-wrap: pretty; }
.bus-status { color: var(--muted); padding-block: 2rem; }

.bus-main { display: grid; gap: 0; }
#report { display: grid; gap: 4.2rem; padding-bottom: 3rem; }
.bus-section { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.1rem; min-width: 0; }
.bus-section > * { min-width: 0; }
.bus-prose { max-width: 68ch; display: grid; gap: .85rem; }
.bus-prose p, .bus-prose li { text-wrap: pretty; }
.eyebrow { font-size: .74rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--accent); }
.bus-page h2 { font-family: var(--font-display); font-weight: 800; text-transform: uppercase; font-size: clamp(2rem, 5vw, 3.1rem); line-height: .95; letter-spacing: .01em; text-wrap: balance; }
.bus-page h3 { font-size: 1.02rem; font-weight: 700; margin-top: .6rem; }
.caption { font-size: .82rem; line-height: 1.5; color: var(--muted); max-width: 90ch; }

.bus-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border-block: 1px solid var(--line); }
.stat { background: var(--bg); padding: 1.1rem 1.1rem 1.2rem 0; display: grid; gap: .25rem; align-content: start; }
.stat + .stat { padding-left: 1.1rem; }
.stat-label { font-size: .74rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.stat-value { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.6rem, 6vw, 3.8rem); line-height: 1; }
.stat-value small { font-family: var(--font-body); font-size: .95rem; font-weight: 600; color: var(--muted); }
.stat:nth-child(3) .stat-value { color: var(--rush); }
.stat-note { font-size: .84rem; color: var(--muted); line-height: 1.4; }

.panel { background: var(--panel); border-radius: 10px; box-shadow: var(--shadow); padding: 1.1rem 1.2rem; min-width: 0; display: grid; gap: .7rem; }
.panel-title { margin-top: 0 !important; }
.chart { min-width: 0; position: relative; }
.chart svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart text { font-family: var(--font-body); fill: var(--muted); font-size: 12px; }
.chart .axis-label { fill: var(--faint); font-size: 11px; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .baseline { stroke: var(--axis); stroke-width: 1; }
.chart .row-band { fill: var(--band); }
.chart .route-num { fill: var(--bg); font-weight: 700; font-size: 11.5px; }
.chart .route-badge { fill: var(--fg); }
.chart .route-name { fill: var(--fg); font-size: 12.5px; }
.chart .val { fill: var(--fg); font-weight: 700; font-size: 11.5px; }
.chart .dot-mid { fill: var(--mid); stroke: var(--panel); stroke-width: 2; }
.chart .dot-rush { fill: var(--rush); stroke: var(--panel); stroke-width: 2; }
.chart .dot-am { fill: var(--panel); stroke: var(--am); stroke-width: 2; }
.chart .connector { stroke: var(--rush-soft); stroke-width: 3; stroke-linecap: round; }
.chart .line-top { fill: none; stroke: var(--rush); stroke-width: 2.25; }
.chart .line-other { fill: none; stroke: var(--mid); stroke-width: 2.25; }
.chart .band-rush { fill: var(--rush); opacity: .07; }
.chart .hit { fill: transparent; cursor: default; }
.chart :is(.heat-cell, .map-cell):focus-visible { stroke: var(--fg); stroke-width: 2; }
.chart .row:focus-visible .row-band, .chart .row:hover .row-band { fill: var(--line); }
.chart .heat-cell { stroke: var(--panel); stroke-width: 1.5; }
.chart .map-land { fill: var(--land); }
.chart .lake-label { fill: var(--faint); font-style: italic; font-size: 12px; }
.chart .callout { fill: var(--fg); font-size: 12px; font-weight: 600; }
.chart .callout-line { stroke: var(--muted); stroke-width: 1; }

.legend { display: flex; flex-wrap: wrap; gap: .4rem 1.1rem; align-items: center; font-size: .82rem; color: var(--muted); }
.legend .key { display: inline-flex; align-items: center; gap: .4rem; }
.legend .sw { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.legend .sw.sq { border-radius: 3px; width: 18px; }
.legend .sw.ring { background: var(--panel); border: 2px solid var(--am); }
.legend-col { flex-direction: column; align-items: flex-start; gap: .35rem; }

.seg { display: inline-flex; flex-wrap: wrap; gap: .35rem; }
.seg button, .retry {
  font: inherit; font-size: .88rem; min-height: 40px; padding: .45rem .85rem; border-radius: 999px; cursor: pointer;
  background: var(--panel); color: var(--fg); border: 1px solid var(--line);
}
.seg button[aria-checked="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }

.table-wrap { overflow-x: auto; min-width: 0; -webkit-overflow-scrolling: touch; }
.scorecard { border-collapse: collapse; width: 100%; font-size: .88rem; font-variant-numeric: tabular-nums; min-width: 1020px; }
.scorecard th, .scorecard td { padding: .55rem .6rem; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; vertical-align: middle; }
.scorecard th { font-size: .74rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; vertical-align: bottom; }
.scorecard th button { font: inherit; color: inherit; text-transform: inherit; letter-spacing: inherit; background: none; border: 0; padding: .2rem 0; cursor: pointer; text-align: inherit; display: inline-flex; gap: .3rem; align-items: center; min-height: 32px; }
.scorecard th[aria-sort="ascending"] button::after { content: "▲"; font-size: .6rem; }
.scorecard th[aria-sort="descending"] button::after { content: "▼"; font-size: .6rem; }
.scorecard th.l, .scorecard td.l { text-align: left; }
.scorecard td.wrap { white-space: normal; min-width: 210px; max-width: 260px; text-align: left; line-height: 1.35; }
.scorecard .badge { display: inline-block; min-width: 2.6em; padding: .1rem .4rem; border-radius: 5px; background: var(--fg); color: var(--bg); font-weight: 700; text-align: center; margin-right: .5rem; }
.scorecard .speed-mid { color: var(--mid-text); font-weight: 700; }
.scorecard .speed-rush { color: var(--rush-text); font-weight: 700; }
.scorecard .ci { color: var(--faint); font-size: .76rem; }
.scorecard .bar { display: inline-block; height: 8px; border-radius: 2px; background: var(--rush); vertical-align: middle; margin-left: .4rem; opacity: .85; }
.scorecard tbody tr:hover { background: var(--band); }
.spark { width: 120px; height: 28px; display: block; margin-left: auto; }
.spark path { fill: none; stroke: var(--fg); stroke-width: 1.4; }
.spark .rushband { fill: var(--rush); opacity: .14; stroke: none; }

.map-grid { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 1.2rem; align-items: start; }
.map-panel { padding: .6rem; }
.map-side { display: grid; gap: 1.2rem; }
#map-facts { display: grid; gap: .9rem; }
.fact b { display: block; font-family: var(--font-display); font-weight: 800; font-size: 2.2rem; line-height: 1; }
.fact span { font-size: .86rem; color: var(--muted); }
.map-clock { font-family: var(--font-display); font-size: 2.4rem; line-height: 1; color: var(--fg); }
.map-clock small { display: block; margin-top: .35rem; font: .82rem/1.4 var(--font-body); color: var(--muted); }
.chart .map-route-number { font-size: 9px; font-weight: 700; fill: var(--bg); }
.chart .map-route-off { fill: var(--band); stroke: var(--axis); }
.chart .map-route-number.off { fill: var(--muted); }
.map-timeline { gap: .8rem; }
.map-timeline-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: .8rem 1.2rem; }
.map-hour-actions { display: flex; align-items: center; gap: 1rem; }
.map-hour-readout { display: grid; text-align: right; }
.map-hour-readout output { font-family: var(--font-display); font-size: 1.8rem; line-height: 1.1; }
.map-hour-readout span { color: var(--muted); font-size: .85rem; font-variant-numeric: tabular-nums; }
.map-play { font: inherit; font-size: .88rem; min-width: 72px; min-height: 44px; padding: .45rem .9rem; border: 1px solid var(--line); border-radius: 999px; background: var(--fg); color: var(--bg); cursor: pointer; }
.map-hour-chart { position: relative; border-radius: 6px; }
.map-hour-chart:focus-within { outline: 3px solid var(--focus); outline-offset: 4px; }
.map-hour-chart .chart svg { height: 168px; }
.map-hour-chart input { position: absolute; left: 42px; right: 16px; top: 16px; bottom: 28px; width: calc(100% - 58px); height: calc(100% - 44px); margin: 0; opacity: 0; appearance: none; cursor: ew-resize; touch-action: pan-y; }
.map-hour-chart input::-webkit-slider-thumb { appearance: none; width: 1px; height: 44px; }
.map-hour-chart input::-moz-range-thumb { width: 1px; height: 44px; border: 0; }
.chart .timeline-track { fill: none; stroke: var(--faint); stroke-width: 2; stroke-linecap: round; }
.chart .timeline-progress { fill: none; stroke: var(--fg); stroke-width: 2.5; stroke-linecap: round; }
.chart .timeline-cursor { stroke: var(--rush); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .timeline-dot { fill: var(--rush); stroke: var(--panel); stroke-width: 2; }
.chart .timeline-rush { fill: var(--rush); opacity: .09; }

.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem; }
.calendar { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; max-width: 560px; }
.calendar .dow { font-size: .7rem; color: var(--faint); text-align: center; text-transform: uppercase; letter-spacing: .05em; }
.calendar .day { aspect-ratio: 1.6; max-width: 100%; border-radius: 4px; font-size: .74rem; display: grid; place-items: center; font-variant-numeric: tabular-nums; color: var(--fg); }
.calendar .in { background: color-mix(in srgb, var(--mid) 34%, var(--panel)); box-shadow: inset 0 -3px 0 var(--mid); }
.calendar .out { background: color-mix(in srgb, var(--rush) 34%, var(--panel)); box-shadow: inset 0 -3px 0 var(--rush); }
.calendar .hol { background: color-mix(in srgb, var(--rush) 14%, var(--panel)); box-shadow: inset 0 -3px 0 var(--rush-soft); }
.calendar .wkd { background: var(--band); color: var(--faint); }
.calendar .none { background: transparent; }
.mini { border-collapse: collapse; width: 100%; font-size: .86rem; font-variant-numeric: tabular-nums; }
.mini th, .mini td { padding: .45rem .4rem; border-bottom: 1px solid var(--line); text-align: right; }
.mini th:first-child, .mini td:first-child { text-align: left; }
.mini th { font-size: .74rem; color: var(--muted); font-weight: 700; }

.rules { padding-left: 1.1rem; display: grid; gap: .55rem; }
.rules li { line-height: 1.5; }
.rules b { font-weight: 650; }

.code { margin: 0; background: var(--band); border-radius: 8px; padding: 1rem 1.1rem; overflow-x: auto; font: 12.5px/1.55 var(--font-mono); color: var(--fg); max-width: 100%; }
.bus-page details { min-width: 0; border-top: 1px solid var(--line); padding-top: .8rem; }
.bus-page summary { cursor: pointer; font-weight: 650; min-height: 32px; }
.bus-page details[open] summary { margin-bottom: .7rem; }
.downloads ul { padding-left: 1.1rem; display: grid; gap: .35rem; margin-top: .5rem; font-size: .92rem; }
.manifest { border-collapse: collapse; font: 12px/1.5 var(--font-mono); }
.manifest td, .manifest th { padding: .25rem .6rem .25rem 0; text-align: left; white-space: nowrap; border-bottom: 1px solid var(--line); }

.tip {
  position: fixed; z-index: 20; pointer-events: none; max-width: 280px; background: var(--fg); color: var(--bg);
  font-size: .82rem; line-height: 1.45; padding: .55rem .7rem; border-radius: 7px; box-shadow: 0 6px 20px rgba(0,0,0,.25);
}
.tip b { font-weight: 700; }
.tip .t-sub { opacity: .75; }

.bus-foot { border-top: 1px solid var(--line); padding-block: 1.6rem 2.4rem; font-size: .85rem; color: var(--muted); }

@media (max-width: 860px) {
  .bus-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3) { padding-left: 0; }
  .map-grid, .two-col { grid-template-columns: minmax(0, 1fr); }
  .map-side { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #map.hourly-view #map-grid { display: contents; }
  #map.hourly-view .map-timeline { order: 1; }
  #map.hourly-view .map-side { order: 2; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #map.hourly-view #map-clock { display: none; }
  #map.hourly-view #map-caption { order: 3; }
}
@media (max-width: 480px) {
  .bus-page { font-size: 15px; }
  #report { gap: 3.2rem; }
  .panel { padding: .8rem .7rem; }
  .stat { padding: .9rem .6rem 1rem 0; }
  .stat + .stat { padding-left: .6rem; }
  .stat:nth-child(3) { padding-left: 0; }
  .map-side { grid-template-columns: minmax(0, 1fr); }
  .map-hour-actions { width: 100%; justify-content: space-between; }
  .map-hour-readout { text-align: left; }
  .chart text { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) { .bus-page * { transition: none !important; animation: none !important; } }