@charset "UTF-8";

:root {
  --paper: #ffffff;
  --paper-raised: #eef3f0;
  --paper-raised-2: #e3ece5;
  --ink: #16241c;
  --ink-muted: #4d5c53;
  --line: #d7e2dc;
  --green: #2e7d32;
  --green-ink: #1b5e20;
  --green-soft: #e3f1e3;
  --blue: #0277bd;
  --blue-soft: #e1f3fb;
  --amber: #a6650a;
  --amber-soft: #fbeed9;
  --slate: #45586a;
  --slate-soft: #e3e9ee;
  --red: #b3261e;
  --red-soft: #fbe6e4;
  --focus: #0277bd;
  --mono: ui-monospace, "Cascadia Mono", "Roboto Mono", Consolas, Menlo, monospace;
  --sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}
:root[data-theme="dark"] {
  --paper: #1b1f24; --paper-raised: #242a30; --paper-raised-2: #2c333a;
  --ink: #e7ebe8; --ink-muted: #9aa8a1; --line: #3a434b;
  --green: #66bb6a; --green-ink: #9ccc9f; --green-soft: #253328;
  --blue: #4fc3f7; --blue-soft: #1c2e36;
  --amber: #e0ab52; --amber-soft: #362c1a;
  --slate: #a9b8c5; --slate-soft: #2a333c;
  --red: #ef9a9a; --red-soft: #3a2222;
  --focus: #4fc3f7;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #1b1f24; --paper-raised: #242a30; --paper-raised-2: #2c333a;
    --ink: #e7ebe8; --ink-muted: #9aa8a1; --line: #3a434b;
    --green: #66bb6a; --green-ink: #9ccc9f; --green-soft: #253328;
    --blue: #4fc3f7; --blue-soft: #1c2e36;
    --amber: #e0ab52; --amber-soft: #362c1a;
    --slate: #a9b8c5; --slate-soft: #2a333c;
    --red: #ef9a9a; --red-soft: #3a2222;
    --focus: #4fc3f7;
  }
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--sans); background: var(--paper); color: var(--ink); font-size: 15px; line-height: 1.5; }
a { color: var(--blue); }

.topbar {
  display: flex; align-items: baseline; justify-content: space-between; gap: 1rem;
  padding: 0.9rem 1.25rem; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; background: var(--paper);
}
.brand {
  display: flex; align-items: baseline; gap: 0.6rem;
  background: none; border: none; padding: 0; font: inherit; cursor: pointer;
}
.brand .mark { font-weight: 800; letter-spacing: -0.01em; color: var(--green); font-size: 1.15rem; }
.brand .sub { color: var(--ink-muted); font-size: 0.85rem; }
.brand:hover .sub { color: var(--blue); }
.brand:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 3px; }
.badge {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.02em; text-transform: uppercase;
  padding: 0.2rem 0.5rem; border-radius: 3px; border: 1px solid var(--line); color: var(--ink-muted);
}
.badge:empty { display: none; }
.topnav-link {
  font: inherit; font-size: 0.85rem; cursor: pointer; border: 1px solid var(--line); border-radius: 7px;
  padding: 0.35rem 0.75rem; background: none; color: var(--ink-muted);
}
.topnav-link:hover { border-color: var(--blue); color: var(--blue); }
.topnav-link.active { background: var(--blue-soft); color: var(--blue); border-color: var(--blue); font-weight: 600; }

main { max-width: 900px; margin: 0 auto; padding: 1.5rem 1.5rem 3.5rem; }

.crumbs { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; font-size: 0.95rem; margin-bottom: 0.6rem; }
.crumbs button { background: none; border: none; font: inherit; color: var(--blue); cursor: pointer; padding: 0.1rem 0.15rem; }
.crumbs button:disabled { color: var(--ink); font-weight: 700; cursor: default; }
.crumbs .sep { color: var(--ink-muted); }

.page-title { font-size: 1.25rem; font-weight: 800; letter-spacing: -0.01em; margin: 0 0 1rem; }

.controls { display: flex; gap: 0.6rem; align-items: center; margin-bottom: 1.1rem; }
.search {
  flex: 1 1 auto; display: flex; align-items: center; gap: 0.5rem;
  border: 1px solid var(--line); border-radius: 7px; padding: 0.5rem 0.75rem; background: var(--paper-raised);
}
.search input { border: none; background: none; outline: none; color: var(--ink); font: inherit; width: 100%; }
.search svg { flex: none; opacity: 0.55; }

/* --- card grid (cities / months) ------------------------------------------------------ */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 0.75rem; }
.card {
  text-align: left; cursor: pointer; border: 1px solid var(--line); border-radius: 10px;
  padding: 1rem 1.1rem; background: var(--paper-raised); display: flex; flex-direction: column; gap: 0.5rem;
  font: inherit; color: var(--ink); width: 100%;
}
.card:hover { border-color: var(--blue); background: var(--paper-raised-2); }
.card:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
.card .title { font-size: 1.05rem; font-weight: 700; display: flex; justify-content: space-between; align-items: baseline; }
.card .title .arrow { color: var(--ink-muted); font-weight: 400; }
.card .meta { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-muted); }
.card .row-stats { display: flex; gap: 0.4rem; flex-wrap: wrap; }

/* --- monthly delay summary (PRD.md §8.2, GD-3) ---------------------------------------- */
.delay-summary {
  display: flex; flex-direction: column; gap: 0.05rem; margin-top: 0.15rem; font-size: 0.72rem;
  color: var(--ink-muted); font-family: var(--mono); text-align: left;
}
.delay-summary .worst { color: var(--ink); }
.delay-summary-empty { font-size: 0.72rem; color: var(--ink-muted); font-style: italic; }

/* --- day-by-day delay trend panel (days level, GD-3 follow-up) ------------------------ */
.delay-panel {
  position: relative; border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem;
  background: var(--paper-raised); margin-top: 1rem;
}
.delay-panel-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.65rem; }
.delay-panel .sparkline-wide { display: block; width: 100%; height: 60px; cursor: crosshair; }
.delay-panel-caption { font-size: 0.78rem; color: var(--ink-muted); margin: 0.7rem 0 0; }
.delay-panel .empty { padding: 1rem; }
.spark-tooltip {
  position: absolute; display: none; pointer-events: none; z-index: 2;
  background: var(--paper); border: 1px solid var(--line); border-radius: 6px;
  padding: 0.3rem 0.55rem; font-size: 0.75rem; font-family: var(--mono); color: var(--ink);
  white-space: nowrap; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* --- cross-city delay comparison (PRD.md §8.3, GD-4) ---------------------------------- */
.range-toggle { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.range-btn {
  font: inherit; cursor: pointer; border: 1px solid var(--line); border-radius: 7px;
  padding: 0.45rem 0.9rem; background: var(--paper-raised); color: var(--ink-muted);
}
.range-btn:hover { border-color: var(--blue); }
.range-btn.active { background: var(--blue-soft); color: var(--blue); border-color: var(--blue); font-weight: 600; }

.pill {
  display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.72rem; font-family: var(--mono);
  padding: 0.15rem 0.5rem; border-radius: 999px; background: var(--green-soft); color: var(--green-ink); white-space: nowrap;
}
.pill.warn { background: var(--amber-soft); color: var(--amber); }
.pill.muted { background: var(--paper-raised-2); color: var(--ink-muted); }
.pill.unknown { background: var(--slate-soft); color: var(--slate); }

.pill-link {
  display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.72rem; font-family: var(--mono);
  padding: 0.15rem 0.5rem; border-radius: 999px; background: var(--paper-raised-2); color: var(--blue);
  white-space: nowrap; text-decoration: none; border: 1px solid transparent;
}
.pill-link:hover { border-color: var(--blue); }

/* --- bulk CSV export (PRD.md §8.4 option 1, GD-5) ------------------------------------- */
.bulk-export-btn {
  font: inherit; font-size: 0.85rem; cursor: pointer; border: 1px solid var(--line); border-radius: 7px;
  padding: 0.5rem 0.9rem; background: var(--paper-raised); color: var(--ink); margin-bottom: 0.85rem;
}
.bulk-export-btn:hover:not(:disabled) { border-color: var(--blue); color: var(--blue); }
.bulk-export-btn:disabled { color: var(--ink-muted); cursor: default; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 9px; }
table { border-collapse: collapse; width: 100%; min-width: 640px; }
thead th {
  background: var(--paper-raised); text-align: left; font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-muted); padding: 0.55rem 0.7rem;
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
thead th button {
  background: none; border: none; color: inherit; font: inherit; text-transform: inherit; letter-spacing: inherit;
  cursor: pointer; display: flex; align-items: center; gap: 0.25rem; padding: 0;
}
thead th button[aria-sort="ascending"]::after { content: " ▲"; font-size: 0.65rem; }
thead th button[aria-sort="descending"]::after { content: " ▼"; font-size: 0.65rem; }
tbody td { padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--line); vertical-align: middle; white-space: nowrap; }
tbody tr:last-child td { border-bottom: none; }
tbody tr.day-row { cursor: pointer; }
tbody tr.day-row:hover { background: var(--paper-raised); }
tbody tr.day-row:focus-visible { outline: 2px solid var(--focus); outline-offset: -2px; }
td.date, td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.cov { color: var(--ink-muted); font-family: var(--mono); font-size: 0.85rem; }
.dash { color: var(--ink-muted); }

.dl { display: flex; gap: 0.35rem; flex-wrap: wrap; }
.dl a {
  font-family: var(--mono); font-size: 0.72rem; text-decoration: none; color: var(--blue);
  background: var(--blue-soft); padding: 0.2rem 0.45rem; border-radius: 5px; border: 1px solid transparent;
}
.dl a:hover { border-color: var(--blue); }
.dl a.ext { color: var(--ink-muted); background: var(--paper-raised-2); }

.empty { padding: 2.5rem 1rem; text-align: center; color: var(--ink-muted); }

.state-message {
  padding: 3rem 1.25rem; text-align: center; color: var(--ink-muted);
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem;
}
.state-message .state-title { font-weight: 700; color: var(--ink); font-size: 1.05rem; }
.state-message.is-error .state-title { color: var(--red); }
.state-message a.state-link {
  display: inline-block; margin-top: 0.25rem; color: var(--blue); text-decoration: none;
  border: 1px solid var(--line); border-radius: 7px; padding: 0.5rem 0.9rem; background: var(--paper-raised);
}
.state-message a.state-link:hover { border-color: var(--blue); }
.spinner {
  width: 26px; height: 26px; border-radius: 50%; border: 3px solid var(--line);
  border-top-color: var(--blue); animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.note {
  margin-top: 1.75rem; padding: 0.9rem 1rem; border: 1px dashed var(--line); border-radius: 9px;
  background: var(--paper-raised); font-size: 0.85rem; color: var(--ink-muted);
}
.note b { color: var(--ink); }
.note code { font-family: var(--mono); font-size: 0.82em; }

/* --- day detail view ------------------------------------------------------------------ */
.detail-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1.1rem; flex-wrap: wrap; }
.detail-date { font-size: 1.7rem; font-weight: 800; letter-spacing: -0.01em; margin: 0; }
.detail-head .cov { font-size: 0.9rem; }
.detail-badges { display: flex; gap: 0.4rem; flex-wrap: wrap; align-items: center; }

.stat-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; margin-bottom: 1.25rem; }
.stat-tile { border: 1px solid var(--line); border-radius: 10px; padding: 0.75rem 0.9rem; background: var(--paper-raised); }
.stat-tile .stat-value { font-size: 1.4rem; font-weight: 700; font-variant-numeric: normal; }
.stat-tile .stat-value.dash { font-weight: 400; }
.stat-tile .stat-label { font-size: 0.76rem; color: var(--ink-muted); margin-top: 0.15rem; }
@media (max-width: 560px) { .stat-tiles { grid-template-columns: 1fr; } }

.chart-card { border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem; background: var(--paper-raised); margin-bottom: 1.25rem; }
.chart-title { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.65rem; }
.chart-img-wrap { position: relative; }
.chart-img { width: 100%; display: block; border-radius: 8px; background: var(--paper); }
.chart-fallback {
  display: flex; flex-direction: column; gap: 0.5rem; align-items: center; justify-content: center;
  min-height: 180px; border: 1px dashed var(--line); border-radius: 8px; color: var(--ink-muted);
  font-size: 0.85rem; text-align: center; padding: 1rem;
}
.chart-caption { font-size: 0.78rem; color: var(--ink-muted); margin: 0.7rem 0 0; }
.chart-caption code { font-family: var(--mono); }
.chart-caption a { color: var(--blue); }

.downloads-detail { display: flex; flex-direction: column; gap: 0.5rem; }
.dl-detail {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; text-decoration: none;
  border: 1px solid var(--line); border-radius: 9px; padding: 0.65rem 0.9rem; background: var(--paper-raised); color: var(--ink);
}
.dl-detail:hover { border-color: var(--blue); background: var(--paper-raised-2); }
.dl-detail .dl-name { font-weight: 600; font-size: 0.9rem; }
.dl-detail .dl-file { font-family: var(--mono); font-size: 0.74rem; color: var(--ink-muted); }
.dl-detail .dl-go { color: var(--blue); font-family: var(--mono); font-size: 0.8rem; }

/* --- chart showcase: example transit_charts renders from easy-OTP --------------------- */
.chart-showcase { max-width: 900px; margin: 0.5rem auto 0; padding: 0 1.5rem; }
.showcase-title { font-size: 1.15rem; font-weight: 800; letter-spacing: -0.01em; margin: 0 0 0.5rem; }
.showcase-intro { font-size: 0.88rem; color: var(--ink-muted); line-height: 1.6; margin: 0 0 1.1rem; }
.showcase-intro code { font-family: var(--mono); font-size: 0.85em; }
.showcase-intro a { color: var(--blue); }
.showcase-grid { display: grid; grid-template-columns: 1fr; gap: 1.25rem; }
.showcase-card {
  margin: 0; border: 1px solid var(--line); border-radius: 10px; padding: 1rem 1.1rem;
  background: var(--paper-raised); display: flex; flex-direction: column; gap: 0.6rem;
}
.showcase-img { width: 100%; display: block; border-radius: 8px; background: var(--paper); }
.showcase-card figcaption { display: flex; flex-direction: column; gap: 0.35rem; flex: 1; }
.showcase-card h3 { font-size: 0.95rem; font-weight: 700; margin: 0; }
.showcase-card p { font-size: 0.83rem; color: var(--ink-muted); line-height: 1.5; margin: 0; }
.showcase-link { font-size: 0.8rem; color: var(--blue); text-decoration: none; align-self: flex-start; margin-top: auto; }
.showcase-link:hover { text-decoration: underline; }

/* --- site footer: data attribution + signature + social links ------------------------- */
.sitefooter {
  max-width: 900px; margin: 2rem auto 0; padding: 1.1rem 1.5rem 2rem;
  border-top: 1px solid var(--line); display: flex; flex-direction: column; gap: 0.75rem;
}
.footer-attribution { margin: 0; font-size: 0.82rem; color: var(--ink-muted); line-height: 1.6; }
.footer-attribution:empty { display: none; }
.footer-attribution a { color: var(--ink-muted); text-decoration: underline; }
.footer-attribution a:hover { color: var(--blue); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.footer-signature { font-size: 0.82rem; font-weight: 600; color: var(--ink-muted); text-decoration: none; }
.footer-signature:hover { color: var(--blue); }
.visitor-counter { font-size: 0.72rem; color: var(--ink-muted); }
.visitor-counter:has(#visitorCounter:empty) { display: none; }
.footer-social { display: flex; align-items: center; gap: 0.9rem; }
.footer-social a { color: var(--ink-muted); display: flex; }
.footer-social a:hover { color: var(--blue); }
.footer-social a:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 3px; }