/* ridegraph map demo. A black and white street-atlas look: the controls are
   the atlas cover, the map keeps its colours: a page with its grid letters
   and numbers around the edge. */

:root {
  --cover: #ffffff;
  --ink: #111111;
  --ink-soft: #4a4a4a;
  --land: #e5e7e3;
  --paper: #ffffff;
  --search-a: #1b3a8c;
  --search-b: #a3268f;
  --muted: #9a9a90;
  --route: #ffd21f;
  --a-road: #e3404a;
  --b-road: #f4a524;
  --trunk: #3a9d65;

  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --ruler: 24px;
  --panel: 380px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  height: 100%;
  background: var(--ink);
  color: var(--ink);
  font: 400 15px/1.45 var(--body);
}

a {
  color: inherit;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 2px;
}

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.layout {
  display: grid;
  grid-template-columns: var(--panel) 1fr;
  height: 100vh;
  height: 100dvh;
}

/* ------------------------------------------------------------ cover */

.cover {
  background: var(--cover);
  padding: 22px 24px 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-right: 3px solid var(--ink);
}

.wordmark {
  margin: 0;
  font: 800 60px/0.82 var(--display);
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.place {
  margin: 6px 0 0;
  display: inline-block;
  background: var(--ink);
  color: var(--cover);
  font: 600 15px/1 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 6px 9px 5px;
}

.lede {
  margin: 12px 0 0;
  max-width: 34ch;
  color: var(--ink-soft);
}

.modes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 14px;
  border: 2px solid var(--ink);
  background: var(--ink);
}

.modes button {
  border: 0;
  background: var(--cover);
  padding: 9px 8px 8px;
  font: 600 15px/1 var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
}

.modes button[aria-selected="true"] {
  background: var(--ink);
  color: var(--cover);
}

.modes button:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: -5px;
}

.cities {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 2px;
}

.cities a {
  padding: 4px 10px 3px;
  border: 2px solid var(--ink);
  font: 600 14px/1.1 var(--display);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
}

.cities a[aria-current="page"] {
  background: var(--ink);
  color: var(--cover);
}

.cities a:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.stops {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.stops li {
  display: grid;
  grid-template-columns: 26px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 6px 0 5px;
  border-bottom: 1px solid rgba(17, 17, 17, 0.35);
  font: 500 15px/1.2 var(--display);
}

.stop-mark {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 2px solid var(--ink);
  background: var(--paper);
  font: 800 13px/1 var(--display);
}

.stops li:first-child .stop-mark {
  background: var(--ink);
  color: var(--cover);
}

.stop-visit {
  display: block;
  font: 400 11px/1.3 var(--mono);
  color: var(--ink-soft);
}

.stops button,
.link-button {
  border: 0;
  background: none;
  padding: 2px 0;
  font: 500 13px/1 var(--body);
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.link-button {
  margin-top: 8px;
  justify-self: start;
}

.mode-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.playback {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
}

.play {
  border: 0;
  background: var(--ink);
  color: var(--cover);
  font: 600 14px/1 var(--display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 12px 7px;
  min-width: 70px;
  cursor: pointer;
}

.playback input[type="range"] {
  width: 100%;
  accent-color: var(--ink);
}

.speeds {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  font: 500 12px/1 var(--mono);
}

.speeds label {
  position: relative;
  cursor: pointer;
}

.speeds input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
}

.speeds span {
  display: block;
  border: 1.5px solid var(--ink);
  padding: 5px 7px 4px;
}

.speeds input:checked + span {
  background: var(--ink);
  color: var(--paper);
}

.speeds input:focus-visible + span {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.key .car {
  width: 10px;
  height: 10px;
  display: inline-block;
  border: 1.5px solid var(--ink);
  border-radius: 2px;
}

.car-idle {
  background: var(--paper);
}
.car-pickup {
  background: var(--search-a);
}
.car-trip {
  background: var(--route);
}
.car-reposition {
  background: var(--muted);
}
.car-shared {
  background: #e86a10;
}
.sw-surge {
  height: 10px;
  background: rgba(232, 106, 16, 0.45);
}

.key .rider {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
  background: var(--search-b);
}

.trip {
  border: 3px solid var(--ink);
  background: var(--paper);
  padding: 12px 14px 10px;
}

.trip-eta {
  margin: 0;
  font: 800 44px/0.95 var(--display);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

.trip-eta small {
  font-size: 0.5em;
  font-weight: 600;
  letter-spacing: 0;
  margin: 0 0.25em 0 0.05em;
}

.trip-meta {
  margin: 8px 0 0;
  font: 400 13px/1.4 var(--mono);
  color: var(--ink-soft);
}

.trip-learned {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin: 10px 0 0;
  padding-top: 9px;
  border-top: 2px solid var(--ink);
}

.learned-label {
  font: 600 13px/1 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.trip-learned b {
  font: 700 19px/1 var(--display);
  font-variant-numeric: tabular-nums;
}

.learned-delta {
  font: 400 12px/1.3 var(--mono);
  color: var(--ink-soft);
}

.model-card {
  border: 2px solid var(--ink);
  padding: 0 12px;
  font-size: 13.5px;
}

.model-card summary {
  cursor: pointer;
  padding: 10px 0 9px;
  font: 600 15px/1 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.model-card p {
  margin: 0 0 10px;
  color: var(--ink-soft);
}

.model-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 10px;
  font: 400 12px/1.3 var(--mono);
}

.model-table th {
  text-align: left;
  font: 600 12px/1.2 var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0 0 5px;
  border-bottom: 2px solid var(--ink);
}

.model-table th + th,
.model-table td + td {
  text-align: right;
}

.model-table td {
  padding: 5px 0;
  border-bottom: 1px solid rgba(17, 17, 17, 0.25);
}

.model-table tr.is-best td {
  font-weight: 500;
  color: var(--ink);
  background: rgba(17, 17, 17, 0.07);
}

.group {
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

legend {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  width: 100%;
  padding: 0 0 8px;
  font: 600 15px/1 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.legend-note {
  font: 400 11px/1 var(--mono);
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink-soft);
}

.presets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.preset,
.method {
  position: relative;
  display: block;
  cursor: pointer;
}

.preset input,
.method input {
  position: absolute;
  opacity: 0;
  inset: 0;
  margin: 0;
  cursor: pointer;
}

.preset span {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border: 2px solid var(--ink);
  padding: 8px 10px 7px;
  font: 600 16px/1 var(--display);
  background: transparent;
}

.preset time {
  font: 500 12px/1 var(--mono);
}

.preset input:checked + span {
  background: var(--ink);
  color: var(--cover);
}

.preset input:focus-visible + span,
.method input:focus-visible + .method-row {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.switch {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: start;
  margin-top: 12px;
  cursor: pointer;
  position: relative;
}

.switch input {
  position: absolute;
  opacity: 0;
  width: 40px;
  height: 22px;
  margin: 0;
  cursor: pointer;
}

.switch-track {
  width: 40px;
  height: 22px;
  border: 2px solid var(--ink);
  position: relative;
  margin-top: 1px;
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: var(--ink);
  transition: transform 0.15s ease;
}

.switch input:checked + .switch-track {
  background: var(--ink);
}

.switch input:checked + .switch-track::after {
  background: var(--cover);
  transform: translateX(18px);
}

.switch input:focus-visible + .switch-track {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.switch-text {
  font: 600 16px/1.15 var(--display);
}

.switch-text small {
  display: block;
  margin-top: 2px;
  font: 400 13px/1.35 var(--body);
  color: var(--ink-soft);
}

.method.is-unavailable {
  cursor: not-allowed;
}

.method.is-unavailable .method-row {
  opacity: 0.45;
}

.methods {
  display: grid;
  border-top: 2px solid var(--ink);
}

.method-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 12px;
  padding: 7px 0 6px;
  border-bottom: 1px solid rgba(17, 17, 17, 0.35);
}

.method-name {
  font: 600 18px/1.1 var(--display);
}

.method-name::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  vertical-align: 1px;
}

.method input:checked + .method-row .method-name::before {
  background: var(--ink);
  box-shadow: inset 0 0 0 2px var(--cover);
}

.method-count {
  font: 500 13px/1.3 var(--mono);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.method-bar {
  grid-column: 1 / -1;
  height: 6px;
  background: rgba(17, 17, 17, 0.12);
  position: relative;
}

.method-bar i {
  position: absolute;
  inset: 0 auto 0 0;
  min-width: 2px;
  background: var(--ink);
  transition: width 0.45s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.method input:not(:checked) + .method-row .method-bar i {
  background: rgba(17, 17, 17, 0.45);
}

.method-time {
  grid-column: 1 / -1;
  font: 400 11px/1.3 var(--mono);
  color: var(--ink-soft);
}

.band-swatch {
  display: inline-block;
  width: 14px;
  height: 8px;
  margin-right: 8px;
  vertical-align: 2px;
}

.method.is-chosen .method-name::after {
  content: "chosen";
  margin-left: 8px;
  padding: 2px 5px 1px;
  background: var(--ink);
  color: var(--cover);
  font: 600 10px/1 var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  vertical-align: 2px;
}

#tour-methods .method-name::before,
#tour-methods .method {
  cursor: default;
}

#tour-methods .method-name::before {
  display: none;
}

.method-note {
  margin: 10px 0 0;
  color: var(--ink-soft);
}

.replay {
  margin-top: 12px;
  width: 100%;
  border: 0;
  background: var(--ink);
  color: var(--cover);
  font: 600 17px/1 var(--display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 13px 14px 12px;
  cursor: pointer;
}

.replay:hover:not(:disabled) {
  background: var(--ink-soft);
}

.replay:disabled {
  opacity: 0.4;
  cursor: default;
}

.colophon {
  margin-top: auto;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.colophon p {
  margin: 0 0 6px;
}

.colophon a {
  color: var(--ink);
  font-weight: 600;
}

/* ------------------------------------------------------------ atlas page */

.atlas {
  position: relative;
  display: grid;
  grid-template-columns: var(--ruler) 1fr;
  grid-template-rows: var(--ruler) 1fr;
  background: var(--ink);
  min-height: 0;
}

.ruler {
  display: block;
  width: 100%;
  height: 100%;
}

.ruler-top {
  grid-column: 2;
  grid-row: 1;
}

.ruler-left {
  grid-column: 1;
  grid-row: 2;
}

.corner {
  grid-column: 1;
  grid-row: 1;
}

.sheet {
  grid-column: 2;
  grid-row: 2;
  position: relative;
  overflow: hidden;
  background: var(--land);
  min-height: 0;
  touch-action: none;
}

.sheet canvas {
  position: absolute;
  inset: 0;
}

.atlas-overlay {
  cursor: crosshair;
}

.atlas-overlay.is-panning {
  cursor: grabbing;
}

.pin {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 3;
  width: 30px;
  height: 30px;
  margin: -38px 0 0 -15px;
  border: 0;
  padding: 0;
  background: var(--ink);
  color: var(--route);
  font: 800 19px/30px var(--display);
  cursor: grab;
  touch-action: none;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.25);
}

/* The pin's point: a small square stem down to the exact location. */
.pin::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  width: 3px;
  height: 8px;
  margin-left: -1.5px;
  background: var(--ink);
}

.pin-b {
  background: var(--route);
  color: var(--ink);
  outline: 3px solid var(--ink);
  outline-offset: -3px;
}

.pin:active {
  cursor: grabbing;
}

.pin:focus-visible {
  outline: 3px solid var(--search-a);
  outline-offset: 2px;
}

.zoom {
  position: absolute;
  right: 14px;
  top: 14px;
  z-index: 3;
  display: grid;
  border: 2px solid var(--ink);
}

.zoom button {
  width: 34px;
  height: 34px;
  border: 0;
  background: var(--paper);
  font: 600 22px/1 var(--display);
  cursor: pointer;
}

.zoom button + button {
  border-top: 2px solid var(--ink);
}

.zoom button:hover {
  background: #ececec;
}

.layer-toggle {
  position: absolute;
  right: 14px;
  top: 100px;
  z-index: 3;
  border: 2px solid var(--ink);
  background: var(--paper);
  font: 600 14px/1 var(--display);
  letter-spacing: 0.04em;
  padding: 8px 10px 7px;
  cursor: pointer;
}

.layer-toggle:hover {
  background: #ececec;
}

.layer-toggle[aria-pressed="true"] {
  background: var(--ink);
  color: var(--cover);
}

.key-heat {
  flex-basis: 100%;
}

.ramp {
  display: inline-block;
  width: 70px;
  height: 8px;
  background: linear-gradient(90deg, rgba(17, 17, 17, 0.04), rgba(17, 17, 17, 0.54));
  border: 1px solid rgba(17, 17, 17, 0.4);
}

.hint {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  margin: 0;
  padding: 7px 10px 6px;
  background: var(--ink);
  color: var(--paper);
  font: 500 13px/1 var(--display);
  letter-spacing: 0.04em;
  pointer-events: none;
}

.key {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  max-width: calc(100% - 28px);
  padding: 8px 11px 7px;
  background: rgba(255, 255, 255, 0.94);
  border: 2px solid var(--ink);
  font: 500 13px/1.2 var(--display);
  pointer-events: none;
}

.key span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.sw {
  width: 18px;
  height: 6px;
  display: inline-block;
}

.sw-route {
  background: var(--route);
  box-shadow: 0 0 0 1.5px var(--ink);
}
.sw-trunk {
  background: var(--trunk);
}
.sw-primary {
  background: var(--a-road);
}
.sw-secondary {
  background: var(--b-road);
}
.sw-alt {
  height: 4px;
  background: var(--muted);
  box-shadow: 0 0 0 1.5px var(--ink);
}
.sw-zone {
  height: 0;
  border-top: 2px dashed rgba(200, 16, 46, 0.85);
}
.sw-closed {
  height: 0;
  border-top: 4px dashed #7a0019;
}
.sw-slow {
  background: #e86a10;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.dot-f {
  background: var(--search-a);
}
.dot-b {
  background: var(--search-b);
}

.error {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  text-align: center;
  font: 600 20px/1.3 var(--display);
}

/* ------------------------------------------------------------ small screens */

@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-rows: 62vh auto;
    grid-template-rows: 62dvh auto;
    height: auto;
  }

  .atlas {
    grid-row: 1;
  }

  .cover {
    grid-row: 2;
    border-right: 0;
    border-top: 3px solid var(--ink);
    overflow: visible;
    padding: 20px 16px 20px;
  }

  .wordmark {
    font-size: 58px;
  }

  .lede {
    max-width: none;
  }

  .trip-eta {
    font-size: 44px;
  }

  .key {
    display: none;
  }

  .hint {
    font-size: 12px;
    right: 62px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .method-bar i,
  .switch-track::after {
    transition: none;
  }
}