/* Design tokens. Route colours come from data/routes.js via --route-color. */
:root {
  --bg: #090d1a;
  --surface: #10172b;
  --surface-2: #172039;
  --line: rgba(255, 255, 255, 0.08);
  --text: #eef1f8;
  --muted: #8f9ab5;
  --con: #ff6b6b;
  --route-color: #f2b632;
  --radius: 14px;
  --gap: 10px;
  --topbar-h: 68px;
  --controls-h: 76px;
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  color-scheme: dark;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 var(--font-body);
  -webkit-font-smoothing: antialiased;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

/* ---------- Top bar ---------- */

.topbar {
  position: relative;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.brand-title {
  display: block;
  font: 800 19px/1 var(--font-display);
  letter-spacing: -0.01em;
}

.brand-sub {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 3px;
}

.route-picker {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.route-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 14px 7px 7px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  white-space: nowrap;
  transition: border-color 0.2s, background 0.2s;
}

.route-tab:hover {
  background: var(--surface-2);
}

.route-tab[aria-selected="true"] {
  border-color: var(--route-color);
  background: color-mix(in srgb, var(--route-color) 14%, var(--surface));
}

.route-tab-num {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--route-color);
  color: var(--bg);
  font: 800 15px var(--font-display);
}

.route-tab-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.2;
}

.route-tab-title {
  font-weight: 600;
  font-size: 14px;
}

.route-tab-meta {
  color: var(--muted);
  font-size: 12px;
}

.install {
  position: relative;
  margin-left: auto;
  flex-shrink: 0;
}
.install-btn {
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  font-size: 13px;
  font-weight: 600;
}
.install-btn:hover {
  border-color: var(--route-color);
}
.install-hint {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 20;
  width: 220px;
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--surface-2);
  font-size: 13px;
}
/* ---------- Viewer: one big panel, two small ones ---------- */

.viewer {
  height: calc(100svh - var(--topbar-h) - var(--controls-h));
  min-height: 460px;
  display: grid;
  gap: var(--gap);
  padding: var(--gap);
  grid-template-columns: minmax(0, 1fr) clamp(280px, 28vw, 420px);
  grid-template-rows: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    "main side-a"
    "main side-b";
}

.panel {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
}

.panel[data-slot="main"] {
  grid-area: main;
}
.panel[data-slot="side-a"] {
  grid-area: side-a;
}
.panel[data-slot="side-b"] {
  grid-area: side-b;
}

.panel-canvas {
  position: absolute;
  inset: 0;
}

.panel-canvas > gmp-map-3d {
  display: block;
  width: 100%;
  height: 100%;
}

/* Two stacked Street View layers; the front one fades in over the other. */
.sv-layer {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.sv-layer.is-front {
  opacity: 1;
  z-index: 1;
}

.panel-label {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(9, 13, 26, 0.72);
  backdrop-filter: blur(8px);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  pointer-events: none;
}

.panel:not([data-slot="main"]) .panel-label::after {
  content: " ↗";
  color: var(--route-color);
}

/* Covers small panels so a tap anywhere promotes them to the big slot. */
.panel-tap {
  display: none;
  position: absolute;
  inset: 0;
  z-index: 2;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.panel:not([data-slot="main"]) .panel-tap {
  display: block;
}

.panel:not([data-slot="main"]) .panel-tap:hover {
  box-shadow: inset 0 0 0 3px var(--route-color);
  border-radius: var(--radius);
}

.panel-note {
  display: none;
  position: absolute;
  inset: auto 0 0 0;
  z-index: 2;
  margin: 0;
  padding: 10px 14px;
  font-size: 13px;
  text-align: center;
  background: rgba(9, 13, 26, 0.82);
  color: var(--muted);
}

.panel:has(.is-missing) .panel-note-missing,
.panel.is-unavailable .panel-note-unavailable {
  display: block;
}

.panel.is-unavailable .panel-note-unavailable {
  inset: 0;
  display: grid;
  place-items: center;
}

/* ---------- Stop card and start overlay sit over the main slot ---------- */

.stop-card {
  grid-area: main;
  align-self: end;
  justify-self: start;
  z-index: 3;
  margin: 18px;
  max-width: min(400px, calc(100% - 36px));
  padding: 16px 18px;
  border-radius: 12px;
  border-left: 4px solid var(--route-color);
  background: rgba(9, 13, 26, 0.8);
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  pointer-events: none;
}

.stop-card.is-arriving {
  animation: arrive 0.6s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

@keyframes arrive {
  from {
    transform: translateY(14px) scale(0.97);
    opacity: 0.3;
  }
}

.stop-chip {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--route-color);
  color: var(--bg);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.stop-name {
  margin: 8px 0 0;
  font: 800 24px/1.1 var(--font-display);
  letter-spacing: -0.01em;
}

.stop-place {
  margin: 2px 0 0;
  color: var(--route-color);
  font-weight: 600;
  font-size: 14px;
}

.stop-note {
  margin: 8px 0 0;
  font-size: 14px;
  color: #c9d0e2;
}

.stop-next {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--muted);
}

.start-overlay {
  grid-area: main;
  z-index: 4;
  display: grid;
  place-items: center;
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse at 30% 20%, color-mix(in srgb, var(--route-color) 22%, transparent), transparent 60%),
    linear-gradient(180deg, rgba(9, 13, 26, 0.55), rgba(9, 13, 26, 0.92));
  backdrop-filter: blur(3px);
}

.start-inner {
  max-width: 560px;
  padding: 24px;
  text-align: center;
}

.start-number {
  color: var(--route-color);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 13px;
}

.start-title {
  margin: 10px 0 0;
  font: 800 clamp(30px, 4.4vw, 52px) / 1.02 var(--font-display);
  letter-spacing: -0.02em;
}

.start-meta {
  margin: 14px 0 26px;
  color: #c9d0e2;
}

.start-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px 14px 20px;
  border: 0;
  border-radius: 999px;
  background: var(--route-color);
  color: var(--bg);
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 10px 30px color-mix(in srgb, var(--route-color) 40%, transparent);
  transition: transform 0.15s;
}

.start-btn:hover {
  transform: translateY(-2px);
}

.start-btn svg {
  width: 22px;
  height: 22px;
}

/* ---------- Controls bar ---------- */

.controls {
  height: var(--controls-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 20px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.play-btn {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border: 0;
  border-radius: 50%;
  background: var(--route-color);
  color: var(--bg);
}

.play-btn svg {
  width: 26px;
  height: 26px;
}

.speed-group {
  display: flex;
  padding: 3px;
  border-radius: 999px;
  background: var(--bg);
  flex-shrink: 0;
}

.speed-btn {
  padding: 5px 11px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.speed-btn[aria-pressed="true"] {
  background: var(--surface-2);
  color: var(--text);
}

.scrubber {
  position: relative;
  flex: 1;
  height: 28px;
  min-width: 120px;
  margin: 0 8px; /* room for the first and last stop ticks */
}

.scrubber::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 6px;
  margin-top: -3px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--route-color) var(--progress, 0%), var(--surface-2) var(--progress, 0%));
}

.scrubber-input {
  position: absolute;
  inset: 0;
  width: 100%;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

.scrubber-input::-webkit-slider-thumb {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--route-color);
  position: relative;
  z-index: 2;
}

.scrubber-input::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--route-color);
}

.scrubber-ticks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.scrubber-tick {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid var(--route-color);
  background: var(--surface);
  pointer-events: auto;
  z-index: 1;
}

.scrubber-tick.is-passed {
  background: var(--route-color);
}

.readout {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  flex-shrink: 0;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.readout-eta {
  color: var(--muted);
  font-size: 12px;
}

.details-link {
  flex-shrink: 0;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.details-link:hover {
  border-color: var(--route-color);
}

.share-btn {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px 8px 10px;
  border: 0;
  border-radius: 999px;
  background: var(--route-color);
  color: var(--bg);
  font-size: 13px;
  font-weight: 700;
}
.share-btn svg {
  width: 18px;
  height: 18px;
}
/* ---------- Share location dialog ---------- */
.share-dialog {
  width: min(420px, calc(100% - 32px));
  padding: 22px 22px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}
.share-dialog::backdrop {
  background: rgba(4, 6, 14, 0.7);
  backdrop-filter: blur(3px);
}
.share-dialog h2 {
  margin: 0 0 8px;
  font: 800 22px/1.15 var(--font-display);
}
.share-dialog p {
  margin: 8px 0;
}
.share-muted {
  color: var(--muted);
  font-size: 14px;
}
.share-status {
  padding: 10px 12px;
  border-radius: 10px;
  font-weight: 600;
}
.share-status.is-near {
  background: color-mix(in srgb, #3ecf8e 16%, transparent);
  color: #7fe3b4;
}
.share-status.is-far {
  background: color-mix(in srgb, var(--con) 16%, transparent);
  color: #ff9d9d;
}
.share-facts {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  margin: 14px 0;
  font-size: 14px;
}
.share-facts dt {
  color: var(--muted);
}
.share-facts dd {
  margin: 0;
  font-weight: 600;
}
.share-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}
.share-primary,
.share-secondary {
  padding: 9px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
}
.share-primary {
  border: 0;
  background: var(--route-color);
  color: var(--bg);
}
.share-secondary {
  border: 1px solid var(--line);
  background: transparent;
}
/* ---------- Map markers ---------- */

.bus-anchor {
  transform: translateY(50%); /* centre the bus on its position */
}
.bus-marker {
  display: grid;
  place-items: center;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.6));
}
.stop-pin {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid var(--route-color);
  background: var(--bg);
  color: var(--text);
  font: 800 12px var(--font-display);
  transform: translateY(50%);
}

.stop-pin.is-passed {
  background: var(--route-color);
  color: var(--bg);
}

/* ---------- Route details ---------- */

.details {
  padding: 64px 20px 96px;
}

.details-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0;
  color: var(--route-color);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.details-head h2 {
  margin: 8px 0 0;
  font: 800 clamp(30px, 4vw, 46px) / 1.05 var(--font-display);
  letter-spacing: -0.02em;
}

.details-summary {
  max-width: 680px;
  margin: 14px 0 0;
  color: #c9d0e2;
  font-size: 17px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gap);
  margin-top: 28px;
}

.stat {
  padding: 16px 18px;
  border-radius: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.stat-value {
  display: block;
  font: 800 26px/1.1 var(--font-display);
}

.stat-label {
  color: var(--muted);
  font-size: 13px;
}

.details-route {
  max-width: 640px;
  margin-top: 48px;
}
.details-route h3 {
  margin: 0 0 16px;
  font: 800 20px var(--font-display);
}
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: color-mix(in srgb, var(--route-color) 35%, transparent);
}

.timeline-btn {
  display: flex;
  gap: 14px;
  width: 100%;
  padding: 10px 10px 10px 0;
  border: 0;
  border-radius: 10px;
  background: transparent;
  text-align: left;
}

.timeline-btn:hover {
  background: var(--surface);
}

.timeline-dot {
  position: relative;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--route-color);
  background: var(--bg);
  font: 800 14px var(--font-display);
}

.timeline-item.is-passed .timeline-dot {
  background: var(--route-color);
  color: var(--bg);
}

.timeline-text {
  display: flex;
  flex-direction: column;
  font-size: 13px;
  color: var(--muted);
}

.timeline-text strong {
  color: var(--text);
  font-size: 15px;
}

.timeline-note {
  color: #c9d0e2;
  margin-top: 2px;
}

.error {
  position: fixed;
  left: 50%;
  bottom: 96px;
  z-index: 20;
  transform: translateX(-50%);
  max-width: calc(100% - 32px);
  padding: 14px 18px;
  border-radius: 12px;
  background: #3a1219;
  border: 1px solid var(--con);
}

.error p {
  margin: 0;
}

/* ---------- Phones and narrow tablets ---------- */

@media (max-width: 860px) {
  :root {
    --topbar-h: auto;
    --controls-h: auto;
  }

  .topbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    padding: 12px 16px;
  }

  .install {
    position: absolute;
    top: 16px;
    right: 16px;
  }
  .route-picker {
    margin: 0 -16px;
    padding: 0 16px;
  }

  .viewer {
    height: 64svh;
    min-height: 420px;
    padding: 8px;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: minmax(0, 1fr) 30%;
    grid-template-areas:
      "main main"
      "side-a side-b";
  }

  .stop-card {
    margin: 10px;
    padding: 12px 14px;
  }

  .stop-name {
    font-size: 19px;
  }

  .stop-note {
    display: none;
  }

  .controls {
    position: sticky;
    bottom: 0;
    z-index: 10;
    flex-wrap: wrap;
    gap: 10px 12px;
    padding: 12px 16px;
  }

  .scrubber {
    order: 5;
    flex-basis: 100%;
  }
  .play-btn {
    width: 44px;
    height: 44px;
  }
  .speed-btn {
    padding: 5px 8px;
  }
  .readout {
    font-size: 12px;
  }
  .share-btn {
    padding: 10px;
  }
  .share-btn-text {
    display: none;
  }

  .readout {
    margin-left: auto;
  }

  .details-link {
    display: none;
  }

  .details {
    padding: 40px 16px 80px;
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
/* ---------- Full screen button ---------- */
.focus-btn {
  grid-area: main;
  justify-self: end;
  align-self: start;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 10px;
  padding: 7px 12px 7px 9px;
  border: 0;
  border-radius: 999px;
  background: rgba(9, 13, 26, 0.78);
  backdrop-filter: blur(8px);
  font-size: 13px;
  font-weight: 600;
}
.focus-btn:empty {
  display: none; /* until the views are ready */
}
.focus-btn svg {
  width: 18px;
  height: 18px;
}
.focus-btn:hover {
  background: var(--route-color);
  color: var(--bg);
}
/* ---------- Full screen mode ----------
   The main view fills the screen; the other two shrink to thumbnails stacked
   above the floating controls. Tapping a thumbnail still swaps it in. */
body.is-focus {
  --pip-w: 220px;
  --pip-h: 140px;
  --pip-gap: 10px;
  overflow: hidden;
}
body.is-focus .topbar,
body.is-focus .details,
body.is-focus .details-link {
  display: none;
}
body.is-focus .viewer {
  position: fixed;
  inset: 0;
  z-index: 30;
  height: 100dvh;
  min-height: 0;
  padding: 0;
  gap: 0;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  grid-template-areas: "main";
}
body.is-focus .panel[data-slot="main"] {
  border: 0;
  border-radius: 0;
}
body.is-focus .panel:not([data-slot="main"]) {
  position: fixed;
  right: 12px;
  z-index: 32;
  width: var(--pip-w);
  height: var(--pip-h);
  border: 2px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}
body.is-focus .panel[data-slot="side-b"] {
  bottom: calc(var(--dock-h, 76px) + 20px + env(safe-area-inset-bottom));
}
body.is-focus .panel[data-slot="side-a"] {
  bottom: calc(var(--dock-h, 76px) + 20px + var(--pip-h) + var(--pip-gap) + env(safe-area-inset-bottom));
}
body.is-focus .panel:not([data-slot="main"]) .panel-label {
  top: 6px;
  left: 6px;
  padding: 3px 8px;
  font-size: 11px;
}
/* Thumbnails only need the picture, not Google's small print. */
body.is-focus .panel:not([data-slot="main"]) .gm-style-cc,
body.is-focus .panel:not([data-slot="main"]) .gmnoprint {
  display: none !important;
}
body.is-focus .focus-btn {
  margin: calc(12px + env(safe-area-inset-top)) 12px 0 0;
}
/* Stop card becomes a slim strip at the top so the view stays clear. */
body.is-focus .stop-card {
  align-self: start;
  margin: calc(12px + env(safe-area-inset-top)) 12px 0;
  max-width: min(460px, calc(100% - 150px));
  padding: 10px 14px;
}
body.is-focus .stop-place,
body.is-focus .stop-note {
  display: none;
}
body.is-focus .stop-name {
  margin-top: 6px;
  font-size: 18px;
}
body.is-focus .stop-next {
  margin-top: 6px;
  padding-top: 6px;
}
body.is-focus .controls {
  position: fixed;
  left: 10px;
  right: 10px;
  bottom: calc(10px + env(safe-area-inset-bottom));
  z-index: 33;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(16, 23, 43, 0.86);
  backdrop-filter: blur(12px);
}
@media (max-width: 860px) {
  body.is-focus {
    --pip-w: 112px;
    --pip-h: 84px;
    --pip-gap: 8px;
  }
  body.is-focus .controls {
    gap: 8px;
    padding: 10px 12px;
  }
  body.is-focus .speed-btn {
    padding: 5px 7px;
  }
  .focus-btn-text {
    display: none;
  }
  .focus-btn {
    padding: 8px;
  }
  body.is-focus .stop-card {
    max-width: calc(100% - 80px);
  }
  body.is-focus .stop-next {
    display: none;
  }
}