/*
 * The map is the picture, and the interface a caption laid over it, on soft shades rather than
 * in boxes. The look and its tokens are theme.css's; js/map.js uses the same colours on the map.
 */

:root {
  --index: 420px;
  --timeline: 168px;
}

html,
body {
  height: 100%;
}

/* Small tracked capitals: every label, every control */
.wordmark,
.section-title,
.tile-label,
.tile-note,
.hero-sub,
.seg button,
.seg span,
.legend,
.actions button,
.compact-clock,
.train-status {
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* The clock, figures and names: ultra-light */
.hero-value,
.qty,
.train-title {
  font-weight: var(--display-weight);
  font-variant-numeric: tabular-nums lining-nums;
}

#app {
  position: relative;
  height: 100dvh;
  overflow: hidden;
}

/* ---------- The map, and what's laid over it ---------- */

#map {
  position: absolute;
  inset: 0;
  background: var(--bg);
}

/* A soft shade at the top, so the wordmark and controls read over the map */
#app::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  z-index: 1;
  height: 140px;
  background: linear-gradient(rgb(8 8 8 / 0.6), rgb(8 8 8 / 0));
  pointer-events: none;
}

.topbar,
.map-controls > :not(:has(.chrome-toggle)),
.index,
.timeline,
.map-buttons {
  transition:
    opacity var(--fade),
    visibility var(--fade);
}

#app.chrome-hidden
  :is(.topbar, .map-controls > :not(:has(.chrome-toggle)), .index, .timeline, .map-buttons) {
  opacity: 0;
  visibility: hidden;
}

.topbar {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  padding: 30px var(--gutter) 0;
}

/* Find a station: a hairline field under the wordmark */
.station-search {
  position: relative;
  width: 220px;
  margin-top: 16px;
}

.station-search input {
  width: 100%;
  padding: 2px 0 6px;
  border: 0;
  border-bottom: 1px solid var(--ink-4);
  border-radius: 0;
  background: none;
  font-size: 15px;
  font-weight: 300;
  text-shadow: var(--lift-text);
}

.station-search input::placeholder {
  color: var(--ink-3);
  font-size: var(--caps-size);
  font-weight: 400;
  letter-spacing: var(--caps-tracking);
  text-transform: uppercase;
}

.station-search input:focus {
  border-bottom-color: var(--ink);
  outline: none;
}

.station-search .station-options {
  right: auto;
  width: 300px;
}

.wordmark {
  font-weight: 500;
  letter-spacing: 0.32em;
  text-shadow: var(--lift-text);
}

.map-controls {
  position: absolute;
  top: 26px;
  right: var(--gutter);
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: baseline;
  gap: 10px 32px;
  max-width: calc(100% - 280px);
}

.seg {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.seg button,
.actions button {
  padding: 4px 0;
  border: 0;
  background: none;
  color: var(--ink-3);
  text-decoration: none;
  text-shadow: var(--lift-text);
  transition: color 0.2s;
}

.seg button:hover:not(:disabled),
.actions button:hover,
.seg button[aria-pressed='true'],
.actions button[aria-pressed='true'] {
  color: var(--ink);
}

.seg button[aria-pressed='true'],
.actions button[aria-pressed='true']:not(.play) {
  text-decoration: underline;
  text-decoration-thickness: 0.5px;
  text-underline-offset: 6px;
}

.seg button:disabled {
  opacity: 0.35;
  cursor: default;
}

.day-nav button {
  font-size: 13px;
  letter-spacing: 0;
}

.day-nav span {
  min-width: 6.5em;
  color: var(--ink);
  text-align: center;
  text-shadow: var(--lift-text);
}

.legend {
  display: flex;
  flex-basis: 100%;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  margin: 0;
  color: var(--ink-3);
  text-shadow: var(--lift-text);
}

.ramp-bar {
  display: inline-block;
  width: 72px;
  height: 2px;
}

/* Where am I, and zoom in and out: hairline squares, bottom right above the timeline */
.map-buttons {
  position: absolute;
  right: var(--gutter);
  bottom: calc(var(--timeline) + 40px);
  z-index: 3;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.zoom {
  display: flex;
  flex-direction: column;
}

.map-buttons button {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--ink-4);
  background: rgb(8 8 8 / 0.8);
  color: var(--ink-2);
  transition:
    color 0.2s,
    border-color 0.2s;
}

.zoom button + button {
  border-top: 0;
}

.map-buttons button:hover {
  border-color: var(--ink-3);
  color: var(--ink);
}

.map-buttons svg {
  width: 14px;
  height: 14px;
}

/* Found: the middle filled in. Looking: it breathes */
.locate[aria-pressed='true'] {
  color: var(--ink);
}

.locate[aria-pressed='true'] circle {
  fill: currentColor;
}

.locate[aria-busy='true'] svg {
  animation: locating 1s ease-in-out infinite alternate;
}

@keyframes locating {
  to {
    opacity: 0.25;
  }
}

/* Why it couldn't find you, beside the button */
.locate-note {
  position: absolute;
  top: 0;
  right: calc(100% + 12px);
  margin: 0;
  font-size: var(--caps-size);
  font-weight: 400;
  line-height: 32px;
  letter-spacing: var(--caps-tracking);
  text-shadow: var(--lift-text);
  text-transform: uppercase;
  white-space: nowrap;
}

.maplibregl-ctrl-bottom-right {
  bottom: calc(var(--timeline) - 24px);
  z-index: 3;
}

.maplibregl-ctrl-attrib {
  background: rgb(8 8 8 / 0.8) !important;
  color: var(--ink-3);
  font: 300 10px/1.6 var(--font);
}

.maplibregl-ctrl-attrib.maplibregl-compact {
  border-radius: 0 !important;
}

.maplibregl-ctrl-attrib a {
  color: var(--ink-2) !important;
}

.maplibregl-ctrl-attrib-button {
  filter: invert(1);
  opacity: 0.5;
}

/* deck.gl's tooltip */
.deck-tooltip .tooltip-meta {
  margin-top: 2px;
  color: var(--ink-3);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.map-error {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 10;
  margin: 0;
  font-size: 15px;
  transform: translate(-50%, -50%);
}

/* ---------- The index: the clock and figures, or the train you picked ---------- */

.index {
  position: absolute;
  top: 0;
  left: 0;
  bottom: var(--timeline);
  z-index: 2;
  width: var(--index);
  padding: 104px 80px 32px var(--gutter);
  overflow-y: auto;
  background: linear-gradient(
    90deg,
    rgb(8 8 8 / 0.94) 0%,
    rgb(8 8 8 / 0.9) 70%,
    rgb(8 8 8 / 0) 100%
  );
  scrollbar-width: none;
  overscroll-behavior: contain;
  /* Fade out into the timeline below, rather than stop at an edge */
  -webkit-mask-image: linear-gradient(#000 calc(100% - 48px), transparent);
  mask-image: linear-gradient(#000 calc(100% - 48px), transparent);
}

.index::-webkit-scrollbar {
  display: none;
}

.section-title {
  margin: 0 0 18px;
  color: var(--ink-3);
}

.hero-value {
  margin: 0 0 10px;
  font-size: 88px;
  line-height: 0.9;
  letter-spacing: var(--display-tracking);
  white-space: nowrap;
}

.hero-value .qty-u {
  font-size: 22px;
  letter-spacing: 0;
}

.hero-sub {
  margin: 0 0 36px;
  color: var(--ink-2);
  line-height: 1.8;
}

.qty {
  white-space: nowrap;
}

.qty-u {
  margin-left: 6px;
  color: var(--ink-3);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.04em;
}

.figures {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px 24px;
}

.tile {
  display: block;
  min-width: 0;
}

.tile-button {
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
}

.tile-label {
  display: block;
  color: var(--ink-3);
}

.tile .qty {
  display: block;
  margin-top: 6px;
  font-size: 28px;
  line-height: 1;
}

.tile-note {
  display: block;
  margin-top: 8px;
  overflow: hidden;
  color: var(--ink-3);
  font-size: 9px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.tile-button:hover .tile-note {
  color: var(--ink-2);
  text-decoration: underline;
  text-decoration-thickness: 0.5px;
  text-underline-offset: 4px;
}

.operators {
  margin-top: 56px;
}

.operator-bars {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.operator-bars button {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 72px 36px;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 5px 0;
  border: 0;
  background: none;
  color: var(--ink-2);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  text-align: left;
}

.operator-name {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.operator-bars button:hover .operator-name {
  color: var(--ink);
}

.operator-bars button[aria-pressed='false'] {
  opacity: 0.35;
}

.operator-bars button[aria-pressed='false'] .operator-name {
  text-decoration: line-through;
  text-decoration-thickness: 0.5px;
}

.key {
  display: inline-block;
  flex: none;
  width: 14px;
  height: 1.5px;
}

.bar-track {
  height: 1px;
  background: var(--ink-4);
}

.bar {
  display: block;
  width: var(--w);
  min-width: 1px;
  height: 100%;
  background: var(--ink);
}

.bar-value {
  text-align: right;
}

/* The train you picked, or the station you opened: its heading stays put, and its stops (or
   its board) scroll beneath */
.index:is(.has-train, .has-station) {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

:is(#train, #station) {
  display: flex;
  flex: 1;
  flex-direction: column;
  min-height: 0;
}

.train-title {
  margin: 0 0 12px;
  font-size: 48px;
  line-height: 1;
  letter-spacing: var(--display-tracking);
}

.train-status {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: -12px 0 24px;
  color: var(--ink);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 22px;
}

:is(#train, #station) .actions {
  margin-bottom: 28px;
}

:is(#train, #station) .actions .seg {
  margin-right: auto;
}

.train-calls,
.board {
  flex: 1;
  min-height: 0;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
  scrollbar-width: none;
  overscroll-behavior: contain;
}

.train-calls::-webkit-scrollbar,
.board::-webkit-scrollbar {
  display: none;
}

.train-calls li {
  display: grid;
  grid-template-columns: 52px 1fr;
  align-items: baseline;
  gap: 12px;
  padding: 6px 0;
  font-size: 13px;
}

.train-calls time {
  color: var(--ink-3);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.train-calls .passed {
  color: var(--ink-3);
}

.train-calls .next {
  position: relative;
  color: var(--ink);
}

.train-calls .next time {
  color: var(--neon);
}

.call-station {
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
}

.train-calls .next .call-station,
.call-station:hover {
  text-decoration: underline;
  text-decoration-thickness: 0.5px;
  text-underline-offset: 5px;
}

.call-station:hover {
  color: var(--ink);
}

/* A station's board: departures or arrivals, the next to go in neon */
.board-tabs {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--ink-4);
}

.board button {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 4px 12px;
  width: 100%;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid var(--ink-5);
  background: none;
  color: var(--ink);
  text-align: left;
}

.board time {
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.board .next time {
  color: var(--neon);
}

.board-place {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  font-size: 14px;
  white-space: nowrap;
}

.board-place span:first-child {
  overflow: hidden;
  text-overflow: ellipsis;
}

/* How long the train takes to get there */
.board-journey {
  flex: none;
  color: var(--ink-3);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.board button:hover .board-place span:first-child {
  text-decoration: underline;
  text-decoration-thickness: 0.5px;
  text-underline-offset: 4px;
}

.board-status,
.board-meta,
.board-platform {
  color: var(--ink-3);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: var(--caps-tracking);
  text-transform: uppercase;
  white-space: nowrap;
}

.board-status,
.board-platform {
  justify-self: end;
}

.board-status {
  color: var(--ink-2);
}

.board-meta {
  display: flex;
  grid-column: 2;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.board-meta span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
}

.board-empty {
  padding: 14px 0;
  color: var(--ink-3);
}

/* ---------- The day along the bottom: the trains running, and now ---------- */

.timeline {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  height: var(--timeline);
  padding: 44px var(--gutter) 16px;
  background: linear-gradient(
    0deg,
    rgb(8 8 8 / 0.94) 0%,
    rgb(8 8 8 / 0.85) 52%,
    rgb(8 8 8 / 0) 100%
  );
  pointer-events: none;
}

.timeline > * {
  pointer-events: auto;
}

.timeline-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  margin-bottom: 10px;
}

.compact-clock {
  display: none;
  margin: 0;
  color: var(--ink-2);
}

.compact-clock #clock-compact {
  color: var(--ink);
  font-size: 22px;
  font-weight: var(--display-weight);
  font-variant-numeric: tabular-nums;
  letter-spacing: var(--display-tracking);
}

/* Play is the one action that matters, so it alone carries the neon: a triangle, or two bars
   while playing */
.actions .play {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  color: var(--ink);
}

.play .glyph {
  align-self: center;
  width: 9px;
  height: 11px;
  background: var(--neon);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  transition: transform 0.2s;
}

.play[aria-pressed='true'] .glyph {
  background: linear-gradient(90deg, var(--neon) 0 3px, transparent 3px 6px, var(--neon) 6px);
  clip-path: none;
}

.play:hover .glyph {
  transform: scale(1.25);
}

.actions .live {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.live .neon-dot {
  background: transparent;
  border-color: var(--ink-3);
  box-shadow: none;
}

.live[aria-pressed='true'] .neon-dot {
  background: var(--neon);
  border-color: #000;
  box-shadow:
    0 0 0 3px var(--neon-glow),
    0 0 10px var(--neon-glow);
  animation: live 2s ease-in-out infinite;
}

@keyframes live {
  50% {
    box-shadow: 0 0 0 1px var(--neon-glow);
  }
}

@media (prefers-reduced-motion: reduce) {
  .live[aria-pressed='true'] .neon-dot {
    animation: none;
  }
}

.day-chart {
  position: relative;
  height: 74px;
}

.day-chart svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.day-chart text {
  fill: var(--ink-3);
  font: 300 10px var(--font);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

.day-chart .refs line {
  stroke: var(--ink-4);
  stroke-width: 1;
  stroke-dasharray: 1 4;
  shape-rendering: crispEdges;
}

.day-chart .line {
  fill: none;
  stroke: var(--ink);
  stroke-width: 1.25;
  stroke-linejoin: round;
}

.day-chart .past {
  fill: rgb(243 241 236 / 0.06);
  stroke: none;
}

.day-chart .now line {
  stroke: var(--neon);
  stroke-width: 1;
  shape-rendering: crispEdges;
}

.day-chart .now circle {
  fill: var(--neon);
  stroke: var(--bg);
  stroke-width: 1.5;
}

.day-chart .now text {
  fill: var(--ink);
}

/* The slider lies invisibly over the chart: drag along the day, or use the arrow keys */
.time-input {
  position: absolute;
  inset: 0 0 16px;
  width: 100%;
  height: auto;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
}

.time-input:focus-visible + svg,
.day-chart:has(.time-input:focus-visible) {
  outline: 1px solid var(--ink-3);
  outline-offset: 6px;
}

/* ---------- Narrow screens ---------- */

@media (max-width: 1180px) {
  :root {
    --index: 360px;
  }

  .hero-value {
    font-size: 72px;
  }

  .index {
    padding-right: 48px;
  }
}

/* On a phone the map fills the screen, the time sits along the bottom with the clock, and the
   train you pick rests above it. The index's figures are for bigger screens. */
@media (max-width: 860px) {
  :root {
    --gutter: 20px;
    --timeline: 158px;
  }

  .topbar {
    padding: 20px var(--gutter) 0;
  }

  .station-search {
    width: 150px;
    margin-top: 12px;
  }

  .station-search .station-options {
    width: calc(100vw - 2 * var(--gutter));
  }

  .map-controls {
    top: 16px;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    max-width: none;
  }

  .legend {
    display: none !important;
  }

  .compact-clock {
    display: block;
  }

  .timeline {
    padding-top: 36px;
  }

  .timeline-bar {
    margin-bottom: 6px;
  }

  .day-chart {
    height: 64px;
  }

  .index {
    display: none;
  }

  .index:is(.has-train, .has-station) {
    display: flex;
    top: auto;
    right: 0;
    width: auto;
    height: 50dvh;
    padding: 56px var(--gutter) 8px;
    background: linear-gradient(rgb(8 8 8 / 0), rgb(8 8 8 / 0.9) 56px, rgb(8 8 8 / 0.94));
  }

  .train-title {
    margin-bottom: 8px;
    font-size: 32px;
  }

  /* A sheet is half the screen: its heading kept short, so the stops or the board show */
  .index .hero-sub {
    margin-bottom: 16px;
  }

  .train-status {
    margin: 0 0 16px;
  }

  :is(#train, #station) .actions {
    margin-bottom: 14px;
  }

  /* The timeline's clock says the time, and the station is named in the title */
  #station-eyebrow,
  #station .train-status {
    display: none;
  }

  /* With a sheet open, the map's buttons rest above it */
  #app:has(.index:is(.has-train, .has-station)) .map-buttons {
    bottom: calc(var(--timeline) + 50dvh + 12px);
  }
}