:root {
  color-scheme: light;
  --bg: #eef1f5; --card: #ffffff; --card-2: #f6f8fa; --text: #14181d; --muted: #5b6672; --line: #e1e5ea;
  --accent: #17694a; --accent-text: #ffffff; --warn-bg: #fff3d1; --warn-text: #5a4300; --warn-line: #f0d68a;
  --live: #11823b; --shadow: 0 1px 2px rgb(16 24 40 / .06), 0 1px 3px rgb(16 24 40 / .08);
  --pill-ring: transparent; --tile-filter: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0d1117; --card: #161b22; --card-2: #1c232c; --text: #e8edf2; --muted: #96a2ae; --line: #262e38;
    --accent: #5ccf91; --accent-text: #06150d; --warn-bg: #2e2612; --warn-text: #f1d892; --warn-line: #5a4a1c;
    --live: #4fd187; --shadow: none; --pill-ring: rgb(255 255 255 / .18);
  --tile-filter: invert(1) hue-rotate(180deg) brightness(.85) contrast(.9);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0d1117; --card: #161b22; --card-2: #1c232c; --text: #e8edf2; --muted: #96a2ae; --line: #262e38;
  --accent: #5ccf91; --accent-text: #06150d; --warn-bg: #2e2612; --warn-text: #f1d892; --warn-line: #5a4a1c;
  --live: #4fd187; --shadow: none; --pill-ring: rgb(255 255 255 / .18);
  --tile-filter: invert(1) hue-rotate(180deg) brightness(.85) contrast(.9);
}

* { box-sizing: border-box; }
body {
  margin: 0 auto; max-width: 560px; background: var(--bg); color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding: 0 16px calc(24px + env(safe-area-inset-bottom));
  -webkit-tap-highlight-color: transparent;
  min-height: 100dvh; box-sizing: border-box; display: flex; flex-direction: column; /* footer sits at the bottom */
}
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

header {
  position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 10px;
  padding: calc(12px + env(safe-area-inset-top)) 0 12px; background: var(--bg);
}
.brand { display: flex; align-items: center; gap: 10px; margin-right: auto; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
h1 { font-size: 1.15rem; margin: 0; letter-spacing: -.01em; }

button {
  font: inherit; border: 1px solid var(--line); background: var(--card); color: var(--text);
  border-radius: 12px; padding: 10px 14px; min-height: 44px; cursor: pointer;
}
button:active { transform: scale(.98); }
.primary { background: var(--accent); color: var(--accent-text); border-color: transparent; font-weight: 600; }
.icon-btn { min-width: 44px; padding: 0; display: inline-grid; place-items: center; color: var(--muted); }

#offline {
  display: flex; gap: 10px; align-items: flex-start; background: var(--warn-bg); color: var(--warn-text);
  border: 1px solid var(--warn-line); border-radius: 12px; padding: 10px 12px; margin: 4px 0 8px; font-size: .95rem;
}
#offline[hidden] { display: none; }

#add {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 12px;
  margin: 4px 0 12px; box-shadow: var(--shadow);
}
form { display: flex; gap: 8px; margin-bottom: 8px; }
input {
  flex: 1; min-width: 0; font: inherit; padding: 10px 12px; border-radius: 12px;
  border: 1px solid var(--line); background: var(--card-2); color: var(--text);
}
.hint { color: var(--muted); font-size: .85rem; margin: 8px 2px 0; }
#results { list-style: none; padding: 0; margin: 8px 0 0; }
#results li { display: flex; gap: 8px; align-items: center; justify-content: space-between; padding: 10px 2px; border-top: 1px solid var(--line); }
#results li > span { min-width: 0; }
#results li > button { flex: none; white-space: nowrap; }
#results .group { display: block; padding: 12px 2px 4px; border-top: 0; color: var(--muted); font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; }
#results .sub { display: block; color: var(--muted); font-size: .85rem; }

.stop {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 4px 14px 10px;
  margin: 12px 0; box-shadow: var(--shadow);
}
.stop-head { display: flex; align-items: center; gap: 8px; padding: 8px 0 6px; }
.stop-head h2 { font-size: 1rem; margin: 0; flex: 1; min-width: 0; }
.stop-head .sub { display: block; font-weight: 400; color: var(--muted); font-size: .82rem; margin-top: 1px; }
.dep { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; padding: 9px 0; border-top: 1px solid var(--line); }
.route {
  font-weight: 800; border-radius: 8px; padding: 4px 0; min-width: 3em; text-align: center;
  font-variant-numeric: tabular-nums; box-shadow: inset 0 0 0 1px var(--pill-ring);
}
.head { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.when { text-align: right; font-variant-numeric: tabular-nums; font-weight: 700; font-size: 1.05rem; line-height: 1.15; }
.when small { display: flex; justify-content: flex-end; align-items: center; gap: 5px; font-weight: 500; font-size: .72rem; color: var(--muted); }
.when .live { color: var(--live); }
.when .live::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .25; } }
@media (prefers-reduced-motion: reduce) { .when .live::before { animation: none; } }
.due { color: var(--live); }
.note { color: var(--muted); font-size: .88rem; margin: 8px 0 2px; }
.alert { margin: 6px 0 8px; padding: 8px 10px; border-radius: 10px; font-size: .9rem; overflow-wrap: anywhere;
  background: var(--warn-bg); color: var(--warn-text); border: 1px solid var(--warn-line); }
.flag { display: block; color: var(--warn-text); background: var(--warn-bg); border-radius: 6px; padding: 2px 6px; margin-top: 3px; }
.alert .sub { display: block; font-size: .82rem; opacity: .85; }
.alert p { margin: 4px 0; }
.alert button { margin: 4px 6px 0 0; min-height: 36px; font-size: .88rem; }
.xfer { margin: 6px 0 8px; padding: 8px 10px; border-radius: 10px; font-size: .9rem; background: var(--card-2); }
.xfer.on_track { color: var(--live); }
.xfer.tight, .xfer.missed { background: var(--warn-bg); color: var(--warn-text); border: 1px solid var(--warn-line); }
.xfer.missed { font-weight: 600; }
.sms {
  display: block; text-align: center; margin: 10px 0 2px; padding: 11px; border-radius: 12px;
  background: var(--accent); color: var(--accent-text); text-decoration: none; font-weight: 600;
}
.settings { display: grid; gap: 10px; padding: 10px 12px 12px; margin: 0 -2px 8px; border-radius: 12px; background: var(--card-2); }
.settings .label { margin: 0; color: var(--muted); font-size: .8rem; font-weight: 600; }
.settings label { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; }
.settings > * { min-width: 0; }
.settings select { min-width: 0; max-width: 100%; }
.settings label.check { justify-content: flex-start; }
.settings input[type=number] { width: 4.5em; text-align: right; }
.settings select, .settings input[type=number] { font: inherit; padding: 6px 8px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
.settings input[type=checkbox] { width: 20px; height: 20px; margin: 0; accent-color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { min-height: 36px; padding: 4px 12px; font-weight: 700; border-radius: 999px; }
#groups { margin: 12px 0 0; }
#groups[hidden] { display: none; }
.board #groups { display: none; }
.chip[aria-pressed="true"] { background: var(--accent); color: var(--accent-text); border-color: transparent; }
.skeleton { height: 1.1em; border-radius: 6px; background: var(--card-2); margin: 14px 0; }
.updated { color: var(--muted); font-size: .78rem; text-align: center; margin: 4px 0 0; }

#empty { text-align: center; color: var(--muted); padding: 40px 12px 8px; }
#empty[hidden] { display: none; }
#empty img { width: 72px; height: 72px; border-radius: 18px; opacity: .9; }
#empty p { margin: 8px auto 20px; max-width: 26em; }
#empty h2 { color: var(--text); font-size: 1.2rem; margin: 16px 0 0; }
.big { display: block; width: 100%; max-width: 22em; margin: 10px auto 0; min-height: 48px; font-weight: 600; }
#tips h2 { font-size: 1.05rem; margin: 10px 0 4px; }
#tips ul { margin: 0 0 6px; padding-left: 1.2em; line-height: 1.5; }
#tips li { margin: 6px 0; }
#tips[hidden] { display: none; }

footer { color: var(--muted); font-size: .8rem; margin-top: auto; padding-top: 28px; line-height: 1.5; }
footer a { color: var(--accent); }
.policy { line-height: 1.55; max-width: 40rem; }
.policy h2 { font-size: 1.05rem; margin: 22px 0 6px; }
.policy a { color: var(--accent); }
footer select { font: inherit; padding: 6px 8px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
#clock { display: none; }

/* Wall board: read from across the room. */
.board { max-width: none; font-size: clamp(18px, 2.6vw, 34px); }
.board #add-btn, .board #add, .board footer, .board .stop-head button, .board .settings, .board #tips, .board .updated { display: none; }
.board header { position: static; }
.board .brand img { width: 1.4em; height: 1.4em; }
.board #clock { display: block; font-size: 1.6em; font-weight: 800; font-variant-numeric: tabular-nums; }
.board h1 { font-size: 1em; color: var(--muted); }
.board main { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15em), 1fr)); gap: 0 16px; }
.board .stop-head h2 { font-size: 1em; }
.board .when { font-size: 1.1em; }
.board .when small { font-size: .6em; }

/* Bus map: a sheet from the bottom on phones. */
.dep[data-trip] { cursor: pointer; }
.dep[data-trip]:hover .head { text-decoration: underline; }
#map-sheet { width: min(560px, 100%); max-width: 100%; max-height: 90dvh; margin: auto auto 0; padding: 0; border: 0; border-radius: 16px 16px 0 0;
  background: var(--card); color: var(--text); }
#map-sheet::backdrop { background: rgb(0 0 0 / .45); }
#map-sheet .bar { display: flex; align-items: center; gap: 10px; padding: 12px 14px; }
#map-sheet .bar h2 { flex: 1; min-width: 0; margin: 0; font-size: 1rem; }
#map-sheet .bar .sub { display: block; font-weight: 400; color: var(--muted); font-size: .82rem; }
#map-box { height: min(60dvh, 460px); background: var(--card-2); }
#map-box .leaflet-tile { filter: var(--tile-filter); }
#map-note { margin: 0; padding: 8px 14px calc(10px + env(safe-area-inset-bottom)); color: var(--muted); font-size: .82rem; }
.bus-pin { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; font-weight: 800; font-size: 13px;
  border: 3px solid #fff; box-shadow: 0 1px 4px rgb(0 0 0 / .4); }
.bus-pin.other { width: 22px; height: 22px; font-size: 9px; border-width: 2px; opacity: .55; }

/* Route lines: tap to list that route's buses. */
.grp-head { width: 100%; border: 0; border-top: 1px solid var(--line); border-radius: 0; background: none; padding: 9px 0;
  text-align: left; font: inherit; color: inherit; min-height: 0; }
.grp-head:active { transform: none; background: var(--card-2); }
.then { display: block; color: var(--muted); font-size: .8rem; font-weight: 400; }
.grp-head .then::after { content: " \25BE"; }
.grp-head[aria-expanded="true"] .then::after { content: " \25B4"; }
.grp-body { padding-left: 12px; border-left: 3px solid var(--line); margin: 0 0 6px 18px; font-size: .92rem; }
.grp-body .route { display: none; }
.map-link { display: block; width: 100%; border: 0; background: none; padding: 8px 0; text-align: left; font: inherit; color: var(--accent); min-height: 0; }
.grp-body .dep { grid-template-columns: 1fr auto; }
.board .grp-body, .board .then::after { display: none; }

/* Search results: whole place rows are tappable; nearby stops get a map with numbered pins. */
#results .grow { flex: 1; min-width: 0; }
#results .pick { cursor: pointer; }
#results .pick:active { background: var(--card-2); }
#results .go { color: var(--muted); font-size: 1.4rem; padding: 0 6px; }
#results .num, .stop-pin { display: grid; place-items: center; flex: none; width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: var(--accent-text); font-weight: 800; font-size: 13px; }
.stop-pin { border: 2px solid #fff; box-shadow: 0 1px 4px rgb(0 0 0 / .4); }
#results .near-map { display: block; padding: 0 0 8px; border-top: 0; }
#near-map { height: 220px; border-radius: 12px; background: var(--card-2); }
#near-map .leaflet-tile { filter: var(--tile-filter); }
.leaflet-container a { color: var(--accent); }
#add:has(#results li) .hint { display: none; } /* results replace the help text */
#results .note-row { display: block; color: var(--muted); font-size: .9rem; }
/* Search row: the box plus "Near me"; results come as you type, so no Find button. */
#near { width: auto; flex: none; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
/* The welcome screen's "Find my stop" already opens search. */
body:has(#empty:not([hidden])) #add-btn[aria-expanded="false"] { display: none; }
/* Settings sheet, opened from the gear in the header. */
#prefs h2 { margin: 0 0 10px; font-size: 1.05rem; }
#prefs label { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 6px 0; }
#prefs select { font: inherit; padding: 6px 8px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--text); }
#prefs .hint { margin: 8px 0 0; }
#board-exit { display: none; }
.board #board-exit { display: inline-grid; border-color: transparent; background: none; opacity: .5; }
.board #prefs-btn { display: none; }
/* Map pin card */
.stop-pin { width: 30px; height: 30px; font-size: 14px; }
.pin-card { display: grid; gap: 4px; font: 14px/1.35 system-ui, sans-serif; }
.pin-card .sub { color: #5b6675; font-size: 12.5px; }
.pin-card button { margin-top: 6px; min-height: 40px; background: var(--accent); color: var(--accent-text); border: 0; font-weight: 600; }
.pin-card button:disabled { opacity: .6; }