:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #16191d;
  --muted: #69717c;
  --line: #d9dde3;
  --accent: #0b6bcb;
  --accent-soft: #e3effb;
  --live: #11a35a;
  --late: #c2410c;
  --alert-bg: #fff4e5;
  --alert-border: #f0b35a;
  --bus: #0b6bcb;
  --bus-text: #ffffff;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1f24;
    --card: #242a31;
    --text: #eef1f4;
    --muted: #9aa4af;
    --line: #3a424c;
    --accent: #5aa9f5;
    --accent-soft: #23374d;
    --live: #3ddc84;
    --late: #fb923c;
    --alert-bg: #3a2d17;
    --alert-border: #8a6420;
    --bus: #5aa9f5;
    --bus-text: #0d1a27;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.35 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

main, .top, footer { max-width: 560px; margin: 0 auto; padding: 0 16px; }

/* ---------- header ---------- */

.top {
  display: flex;
  gap: 10px;
  align-items: center;
  padding-top: 14px;
  padding-bottom: 12px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 1001; /* above Leaflet's panes and controls */
}

.dirs {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 3px;
}

.dirs button, .gps {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

.dirs button {
  padding: 10px 0;
  border-radius: 9px;
  font-weight: 600;
  color: var(--muted);
}

.dirs button[aria-selected="true"] { background: var(--accent); color: var(--bus-text); }

.gps {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--card);
  display: grid;
  place-items: center;
}

.gps svg { width: 22px; height: 22px; fill: var(--accent); stroke: var(--accent); stroke-width: 2; stroke-linecap: round; }
.gps.busy svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- cards ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 14px 10px;
  margin-bottom: 14px;
}

h1, h2 { margin: 0 0 8px; }

.route { font-size: 19px; display: flex; flex-wrap: wrap; gap: 6px; align-items: baseline; }
.route .from { color: var(--accent); }
.route .arrow { color: var(--muted); font-weight: 400; }

h2 { font-size: 15px; display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: baseline; }
.hint { font-size: 12px; font-weight: 400; color: var(--muted); }

/* ---------- departures ---------- */

.departures { list-style: none; margin: 0; padding: 0; }

.dep {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 9px 0;
  border-top: 1px solid var(--line);
}

.dep:first-child { border-top: 0; }

.dep .line {
  font-weight: 700;
  font-size: 17px;
  text-align: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 8px;
  padding: 5px 0;
}

.dep .info { min-width: 0; display: flex; flex-direction: column; }
.dep .head { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dep .sub { font-size: 13px; color: var(--muted); }
.dep .late { color: var(--late); }

.dep .when { text-align: right; display: flex; flex-direction: column; align-items: flex-end; }
.dep .min { font-weight: 700; font-size: 18px; white-space: nowrap; }
.dep .clock { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 5px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--live); display: inline-block; }

.dep.gone { opacity: .55; }
.dep.gone .min { font-weight: 500; font-size: 15px; }
.dep.cancelled .head, .dep.cancelled .min { text-decoration: line-through; }
.dep.cancelled .sub strong { color: var(--late); }
.empty { padding: 12px 0; color: var(--muted); }

/* ---------- timeline ---------- */

.coming { font-size: 14px; color: var(--muted); margin: 4px 0 8px; }
.coming b { color: var(--text); }

.rail { position: relative; margin: 6px 0 4px; }

.line-bg {
  position: absolute;
  left: 112px;
  width: 4px;
  margin-left: -2px;
  background: var(--line);
  border-radius: 2px;
}

.stop {
  position: absolute;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  padding: 0 0 0 104px;
  border: 0;
  background: none;
  font: inherit;
  font-size: 14px;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.stop:disabled { cursor: default; }
.stop .pin {
  width: 12px; height: 12px; margin: 0 2px;
  border-radius: 50%;
  background: var(--card);
  border: 3px solid var(--line);
  flex: none;
}
.stop .name { margin-left: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stop.before .name { color: var(--muted); }
.stop.board .pin, .stop.dest .pin { border-color: var(--accent); background: var(--accent); }
.stop.board .name, .stop.dest .name { font-weight: 700; }
.stop .tag {
  margin-left: 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 5px;
  padding: 1px 6px;
}

.bus {
  position: absolute;
  right: calc(100% - 104px + var(--shift) * 8px);
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--bus);
  color: var(--bus-text);
  border-radius: 999px;
  padding: 2px 9px 2px 3px;
  font-size: 13px;
  white-space: nowrap;
  z-index: 2;
  box-shadow: 0 1px 3px rgb(0 0 0 / 25%);
}

.bus::after {
  content: "";
  position: absolute;
  right: -9px;
  top: 50%;
  width: 9px;
  height: 2px;
  background: var(--bus);
}

.bus b {
  background: var(--card);
  color: var(--bus);
  border-radius: 999px;
  padding: 0 6px;
  font-size: 12px;
}

.bus.est { background: var(--card); color: var(--bus); border: 2px dashed var(--bus); box-shadow: none; }
.bus.est b { background: var(--bus); color: var(--bus-text); }
.bus.past { opacity: .5; }

/* ---------- notices, footer ---------- */

.notice {
  background: var(--alert-bg);
  border: 1px solid var(--alert-border);
  border-radius: 12px;
  padding: 10px 12px;
  margin-bottom: 12px;
  font-size: 14px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

footer {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 24px;
}

footer a { color: inherit; }

/* ---------- a trip's stops (tap a departure) ---------- */

.dep { cursor: pointer; -webkit-tap-highlight-color: transparent; }
.dep:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
.dep.open .line { background: var(--accent); color: var(--bus-text); }
.dep .elsewhere { color: var(--accent); font-weight: 600; }

.trip-stops { list-style: none; padding: 2px 0 10px; }
.trip-stops ol { list-style: none; margin: 0; padding: 0; position: relative; }
.trip-stops ol::before {
  content: "";
  position: absolute;
  left: 61px;
  top: 12px;
  bottom: 12px;
  width: 3px;
  background: var(--line);
  border-radius: 2px;
}

.ts {
  display: grid;
  grid-template-columns: 46px 16px 1fr auto;
  gap: 0 8px;
  align-items: center;
  font-size: 14px;
  padding: 3px 0;
  position: relative;
}

.ts .t { text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }
.ts .pin {
  width: 11px; height: 11px;
  justify-self: center;
  border-radius: 50%;
  background: var(--card);
  border: 3px solid var(--line);
  z-index: 1;
}
.ts .tag {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 5px;
  padding: 1px 6px;
}
.ts.passed .n, .ts.passed .t { opacity: .5; }
.ts.board .n, .ts.dest .n { font-weight: 700; }
.ts.board .pin, .ts.dest .pin { border-color: var(--accent); background: var(--accent); }
.ts.bus-here .n { color: var(--bus); font-weight: 700; font-size: 13px; }
.ts.bus-here .pin { width: 15px; height: 15px; border: 0; background: var(--bus); box-shadow: 0 0 0 3px var(--accent-soft); }
.ts.bus-here.est .pin { background: var(--card); border: 2px dashed var(--bus); box-shadow: none; }
.trip-stops .note { margin: 6px 0 0 62px; font-size: 12px; color: var(--muted); }

.bus { cursor: pointer; }
.bus.sel { outline: 2px solid var(--text); outline-offset: 1px; }

/* ---------- views and map ---------- */

.top { flex-wrap: wrap; }
.views {
  flex-basis: 100%;
  display: flex;
  gap: 18px;
  padding: 2px 4px 0;
}
.views button {
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  color: var(--muted);
  background: none;
  border: 0;
  padding: 4px 0;
  border-bottom: 3px solid transparent;
  cursor: pointer;
}
.views button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }

.trip-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 6px 0 0 62px; }
.trip-foot .note { margin: 0; }
.to-map, .sel-info button {
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 0;
  border-radius: 8px;
  padding: 6px 10px;
  cursor: pointer;
  white-space: nowrap;
}

.map-card { padding: 0; overflow: hidden; }
#map { height: calc(100vh - 200px); height: calc(100dvh - 200px); min-height: 320px; background: var(--bg); }
.map-legend { padding: 8px 12px 10px; font-size: 13px; display: flex; flex-direction: column; gap: 6px; }
.sel-info { display: flex; align-items: center; flex-wrap: wrap; gap: 4px 6px; font-size: 14px; }
.sel-info button { margin-left: auto; }
.muted { color: var(--muted); }
.keys { display: flex; gap: 14px; color: var(--muted); flex-wrap: wrap; }
.keys span { display: inline-flex; align-items: center; gap: 5px; }
.k { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.k.live { background: var(--bus); }
.k.est { border: 2px dashed var(--bus); }
.k.me { background: #2b7de9; box-shadow: 0 0 0 3px rgb(43 125 233 / 30%); }

.leaflet-container { font: inherit; }
.mroute { stroke: var(--accent); stroke-width: 5; stroke-opacity: .55; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.mroute.approach { stroke-dasharray: 2 9; stroke-opacity: .7; }
.mstop { stroke: var(--accent); stroke-width: 2; fill: var(--card); fill-opacity: 1; }
.mstop.minor { stroke-opacity: .6; }
.mstop.board, .mstop.dest { fill: var(--accent); stroke: var(--card); stroke-width: 3; }
.mstop.alt { fill: var(--card); stroke: var(--accent); stroke-width: 3; stroke-dasharray: 3 3; }
.me-acc { stroke: #2b7de9; stroke-opacity: .3; stroke-width: 1; fill: #2b7de9; fill-opacity: .1; }
.me { stroke: #fff; stroke-width: 3; fill: #2b7de9; fill-opacity: 1; }

.mb-wrap { background: none; border: 0; }
.mb {
  position: absolute;
  left: -15px;
  top: -15px;
  display: flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
  font-size: 12px;
}
.mb b {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--bus);
  color: var(--bus-text);
  font-size: 11px;
  letter-spacing: -.02em;
  box-shadow: 0 1px 4px rgb(0 0 0 / 35%);
  position: relative;
  z-index: 1;
}
.mb span {
  background: var(--card);
  color: var(--text);
  border-radius: 6px;
  padding: 1px 6px;
  box-shadow: 0 1px 3px rgb(0 0 0 / 25%);
}
.mb .dir { position: absolute; left: 0; top: 0; width: 30px; height: 30px; }
.mb .dir::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -9px;
  margin-left: -6px;
  border: 6px solid transparent;
  border-bottom: 9px solid var(--bus);
  border-top: 0;
}
.mb.est b { background: var(--card); color: var(--bus); border: 2px dashed var(--bus); box-shadow: none; }
.mb.est .dir::before { border-bottom-color: var(--muted); }
.mb.past { opacity: .55; }
.mb.dim { opacity: .35; }
.mb.sel b { outline: 3px solid var(--text); outline-offset: 1px; }
.mb.sel span { font-weight: 700; }

@media (prefers-color-scheme: dark) {
  .leaflet-tile-pane { filter: invert(1) hue-rotate(180deg) brightness(.85) contrast(.9); }
  .leaflet-control-attribution, .leaflet-bar a { background: var(--card) !important; color: var(--muted) !important; }
  .leaflet-control-attribution a { color: var(--accent) !important; }
}