/* Single Track: an 1880s graphic train timetable on aged paper, and its
   cyanotype twin for dark mode. Every colour is a token on :root. */

:root {
  --paper: #efe4cb;
  --paper-deep: #e4d5b3;
  --paper-edge: #d6c29a;
  --ink: #2a2118;
  --ink-soft: #594733;
  --rule: #3a2e22;
  --grid: rgba(96, 72, 44, 0.26);
  --grid-half: rgba(96, 72, 44, 0.38);
  --grid-hour: rgba(70, 50, 30, 0.62);
  --alarm: #a8231b;
  --good: #1f5a3a;
  --cursor: #57534e;
  --cursor-band: rgba(87, 83, 78, 0.14);
  --focus: #2c4d8c;
  --stamp: #8e2a1f;
  --ink-0: #7a1f24; /* oxblood */
  --ink-1: #1e5a3c; /* bottle green */
  --ink-2: #3b5378; /* slate blue */
  --ink-3: #8a5c0b; /* ochre */
  --ink-4: #146a74; /* peacock */
  --ink-5: #5e3a63; /* plum */
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .36 0 0 0 0 .26 0 0 0 0 .13 0 0 0 .55 -.18'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --foxing: rgba(150, 105, 45, 0.22);
  --display: "IM Fell English SC", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --text: "EB Garamond", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0f3355;
    --paper-deep: #0b2a48;
    --paper-edge: #174570;
    --ink: #e9f1f7;
    --ink-soft: #bcd0e2;
    --rule: #d9e6f1;
    --grid: rgba(205, 228, 246, 0.16);
    --grid-half: rgba(205, 228, 246, 0.26);
    --grid-hour: rgba(222, 238, 250, 0.46);
    --alarm: #ff8f70;
    --good: #a3e0bd;
    --cursor: #ffffff;
    --cursor-band: rgba(255, 255, 255, 0.12);
    --focus: #ffd27a;
    --stamp: #ffb199;
    --ink-0: #f4aaa2;
    --ink-1: #9fdcb6;
    --ink-2: #bdd3f8;
    --ink-3: #f1d07d;
    --ink-4: #6ccbd8;
    --ink-5: #dcb9e6;
    --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .85 0 0 0 0 .93 0 0 0 0 1 0 0 0 .5 -.22'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    --foxing: rgba(3, 18, 36, 0.55);
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --paper: #0f3355;
  --paper-deep: #0b2a48;
  --paper-edge: #174570;
  --ink: #e9f1f7;
  --ink-soft: #bcd0e2;
  --rule: #d9e6f1;
  --grid: rgba(205, 228, 246, 0.16);
  --grid-half: rgba(205, 228, 246, 0.26);
  --grid-hour: rgba(222, 238, 250, 0.46);
  --alarm: #ff8f70;
  --good: #a3e0bd;
  --cursor: #ffffff;
  --cursor-band: rgba(255, 255, 255, 0.12);
  --focus: #ffd27a;
  --stamp: #ffb199;
  --ink-0: #f4aaa2;
  --ink-1: #9fdcb6;
  --ink-2: #bdd3f8;
  --ink-3: #f1d07d;
  --ink-4: #6ccbd8;
  --ink-5: #dcb9e6;
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .85 0 0 0 0 .93 0 0 0 0 1 0 0 0 .5 -.22'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --foxing: rgba(3, 18, 36, 0.55);
  color-scheme: dark;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--paper);
  background-image: var(--grain), radial-gradient(ellipse 120% 90% at 50% 35%, transparent 60%, var(--foxing) 100%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--text);
  font-size: 18px;
  line-height: 1.45;
  overflow-x: hidden;
}

.noscript {
  padding: 2rem;
}

button,
input {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* The first stop for keyboard users: straight to the chart. */
.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 10;
  padding: 8px 14px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--display);
  letter-spacing: 0.06em;
  text-decoration: none;
}

.skip-link:focus {
  top: 10px;
}

kbd {
  font-family: var(--text);
  font-size: 0.82em;
  font-variant-numeric: lining-nums;
  border: 1px solid var(--ink-soft);
  border-bottom-width: 2px;
  border-radius: 2px;
  padding: 0 0.3em;
  margin: 0 0.1em;
}

.page {
  position: relative;
  max-width: 1320px;
  margin: 0 auto;
  padding: 28px 20px 40px;
}

/* ---------- masthead ---------- */

.masthead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 4px double var(--rule);
  padding-bottom: 12px;
}

.kicker {
  margin: 0;
  font-family: var(--display);
  font-size: 15px;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
}

h1 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1;
  letter-spacing: 0.04em;
}

.lede {
  margin: 6px 0 0;
  font-style: italic;
  font-size: 19px;
  color: var(--ink-soft);
}

.theme-toggle,
.controls button,
.notice button {
  appearance: none;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 1px;
  padding: 7px 14px;
  min-height: 40px;
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: 0.06em;
  cursor: pointer;
  box-shadow: inset 0 0 0 2px var(--paper), inset 0 0 0 3px var(--paper-edge);
}

.theme-toggle:hover,
.controls button:hover:not(:disabled),
.notice button:hover {
  background: var(--paper-deep);
}

.controls button:disabled {
  opacity: 0.45;
  cursor: default;
}

.controls button.primary {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
  box-shadow: inset 0 0 0 2px var(--ink), inset 0 0 0 3px var(--paper);
  min-width: 112px;
}

.controls button.primary:hover {
  background: var(--ink-soft);
}

/* ---------- plates ---------- */

.plates ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 14px 0 0;
  padding: 0;
}

.plate-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 36px;
  padding: 2px 8px;
  border: 1px solid var(--paper-edge);
  text-decoration: none;
  font-family: var(--display);
  font-size: 16px;
  letter-spacing: 0.04em;
  position: relative;
}

.plate-link:hover {
  border-color: var(--rule);
}

.plate-link.current {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}

.plate-link.solved::after {
  content: "";
  position: absolute;
  top: 3px;
  right: 3px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--good);
}

.plate-link.current.solved::after {
  background: var(--paper);
}

.notice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding: 8px 12px;
  border: 1px dashed var(--rule);
  background: var(--paper-deep);
}

.notice p {
  margin: 0;
  font-style: italic;
}

/* ---------- desk ---------- */

.desk {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 28px;
  margin-top: 20px;
  align-items: start;
}

.sheet {
  min-width: 0;
  border: 1px solid var(--rule);
  outline: 1px solid var(--rule);
  outline-offset: 4px;
  padding: 18px 20px 20px;
  margin: 5px;
}

.plate-head h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(26px, 3.4vw, 36px);
  line-height: 1.1;
}

.plate-no {
  margin: 0 0 2px;
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

.plate-record {
  letter-spacing: 0.04em;
}

.brief {
  margin: 8px 0 0;
  max-width: 62ch;
  font-style: italic;
}

figure {
  margin: 0;
}

/* The stage: run controls, chart and survey drawing, kept together so a
   run can be watched on both. Run scrolls it to the top of the window. */
.stage {
  margin-top: 12px;
  scroll-margin-top: 8px;
}

.run-bar {
  margin-top: 0;
}

.chart-figure {
  position: relative;
  margin-top: 6px;
}

.chart-surface {
  touch-action: pan-y;
  user-select: none;
  -webkit-user-select: none;
  border-radius: 1px;
}

.chart-surface.dragging {
  cursor: ew-resize;
}

.chart-caption {
  margin-top: 4px;
  font-size: 14px;
  font-style: italic;
  color: var(--ink-soft);
}

svg.marey,
svg.survey {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

/* ---------- the Marey chart ---------- */

.marey .grid {
  stroke: var(--grid);
  stroke-width: 0.6;
}

.marey .grid-half {
  stroke: var(--grid-half);
  stroke-width: 0.8;
}

.marey .grid-hour {
  stroke: var(--grid-hour);
  stroke-width: 1.1;
}

.plot-frame {
  fill: none;
  stroke: var(--rule);
  stroke-width: 1.2;
}

.hour-label {
  font-family: var(--text);
  font-weight: 600;
  font-size: 14px;
  fill: var(--ink);
  font-variant-numeric: lining-nums;
}

.minute-label {
  font-family: var(--text);
  font-style: italic;
  font-size: 11px;
  fill: var(--ink-soft);
}

.rule {
  stroke: var(--rule);
}

.rule-terminus {
  stroke-width: 1.7;
}

.rule-loop {
  stroke-width: 0.8;
}

.rule-halt {
  stroke-width: 0.9;
  stroke-dasharray: 5 3;
}

.station-name {
  font-family: var(--display);
  font-size: 15px;
  fill: var(--ink);
  letter-spacing: 0.02em;
}

.station-note {
  font-family: var(--text);
  font-style: italic;
  font-size: 12px;
  fill: var(--ink-soft);
}

.ink-0 { --k: var(--ink-0); }
.ink-1 { --k: var(--ink-1); }
.ink-2 { --k: var(--ink-2); }
.ink-3 { --k: var(--ink-3); }
.ink-4 { --k: var(--ink-4); }
.ink-5 { --k: var(--ink-5); }

.thread {
  fill: none;
  stroke: var(--k);
  stroke-width: 1.6;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.thread.selected {
  stroke-width: 2.8;
}

.thread-edge {
  fill: none;
  stroke: var(--k);
  stroke-width: 3.8;
  stroke-linejoin: round;
  stroke-linecap: round;
  opacity: 0.2;
}

.thread-halo {
  fill: none;
  stroke: var(--paper);
  stroke-width: 8;
  stroke-linejoin: round;
  opacity: 0.9;
}

.yard-wait {
  fill: none;
  stroke: var(--k);
  stroke-width: 1.6;
  stroke-dasharray: 0.5 3.5;
  stroke-linecap: round;
}

.due {
  fill: none;
  stroke: var(--k);
  stroke-width: 1.8;
}

.due-label,
.knob-label {
  font-family: var(--text);
  font-style: italic;
  font-size: 13px;
  fill: var(--ink);
  paint-order: stroke;
  stroke: var(--paper);
  stroke-width: 4px;
  stroke-linejoin: round;
}

.late-band,
.conflict {
  fill: url(#chart-hatch);
  stroke: var(--alarm);
  stroke-width: 1.3;
}

.survey .conflict {
  fill: url(#survey-hatch);
}

.conflict-sliver {
  stroke-width: 0.8;
  stroke-dasharray: 2 2;
}

.hatch-line {
  stroke: var(--alarm);
  stroke-width: 1.1;
}

.hit {
  fill: none;
  stroke: transparent;
  stroke-width: 16;
  pointer-events: stroke;
  cursor: ew-resize;
}

.hit-knob {
  fill: transparent;
  cursor: ew-resize;
}

.knob {
  fill: var(--paper);
  stroke: var(--k);
  stroke-width: 2.2;
}

.knob.active {
  fill: var(--k);
  stroke: var(--ink);
  stroke-width: 1.4;
}

.chart-surface:focus-visible .knob.active {
  stroke: var(--focus);
  stroke-width: 3;
}

.cursor {
  stroke: var(--cursor);
  stroke-width: 1.3;
}

.cursor-band {
  stroke: var(--cursor-band);
  stroke-width: 9;
}

.cursor-cap {
  fill: var(--cursor);
}

/* ---------- controls and status ---------- */

.controls {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.control-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.scrub {
  flex: 1 1 220px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
}

.scrub-label {
  white-space: nowrap;
  font-variant-numeric: lining-nums tabular-nums;
  color: var(--ink-soft);
}

.scrub input {
  flex: 1;
  min-width: 0;
  accent-color: var(--ink);
  height: 32px;
}

.knob-bar {
  gap: 8px 12px;
  padding: 4px 0;
  font-size: 17px;
}

.knob-bar .swatch {
  width: 26px;
  height: 4px;
}

.knob-bar-name {
  flex: 1 1 auto;
  min-width: 0;
}

.controls .stepper button {
  min-height: 36px;
  padding: 0;
  box-shadow: none;
  font-family: var(--text);
  letter-spacing: 0;
}

.share label {
  display: grid;
  gap: 4px;
  font-size: 15px;
  font-style: italic;
}

.share-link {
  width: 100%;
  background: var(--paper-deep);
  border: 1px solid var(--paper-edge);
  padding: 6px 8px;
  font-variant-numeric: lining-nums;
  font-style: normal;
}

.stamp {
  width: fit-content;
  max-width: 100%;
  margin: 10px 0 4px 6px;
  padding: 7px 14px 9px;
  border: 4px double var(--stamp);
  color: var(--stamp);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  transform: rotate(-2.5deg);
  animation: stamp-in 260ms ease-out;
}

/* On a wide chart the stamp is pressed onto the plate itself, top right,
   and lets pointer drags through to the threads beneath (bar its link). */
@media (min-width: 720px) {
  .chart-figure .stamp {
    position: absolute;
    top: 7%;
    right: 4%;
    z-index: 2;
    margin: 0;
    max-width: 38%;
    pointer-events: none;
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--paper) 70%, transparent);
  }

  .chart-figure .stamp a {
    pointer-events: auto;
  }
}

.stamp p {
  margin: 0;
}

.stamp-head {
  font-family: var(--display);
  font-size: 26px;
  letter-spacing: 0.24em;
  line-height: 1;
}

.stamp-body {
  font-variant-numeric: lining-nums;
  font-size: 15px;
  line-height: 1.3;
  margin-top: 4px !important;
}

.stamp-note {
  font-style: italic;
  font-size: 14px;
  line-height: 1.3;
}

.next-plate {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--display);
  letter-spacing: 0.06em;
}

@keyframes stamp-in {
  from {
    transform: rotate(-2.5deg) scale(1.25);
    opacity: 0;
  }
  to {
    transform: rotate(-2.5deg) scale(1);
    opacity: 1;
  }
}

.status {
  margin-top: 16px;
  border-top: 1px solid var(--rule);
  padding-top: 10px;
}

.tally {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 28px;
}

.tally-item {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.tally-item dt {
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
}

.tally-item dd {
  margin: 0;
  font-size: 20px;
  font-variant-numeric: lining-nums tabular-nums;
}

.headline {
  margin: 6px 0 0;
  font-size: 19px;
}

.headline.alarm {
  color: var(--alarm);
}

.headline.clear {
  color: var(--good);
}

.log {
  margin: 4px 0 0;
  padding-left: 1.1em;
  font-size: 16px;
  font-style: italic;
  list-style: none;
}

.log li {
  position: relative;
}

.log li::before {
  content: "\00d7";
  position: absolute;
  left: -1em;
  color: var(--alarm);
  font-style: normal;
}

.survey-figure {
  margin-top: 8px;
}

.survey-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 2px 18px;
  margin-top: 4px;
}

.survey-foot .chart-caption {
  margin: 0;
}

.survey-key {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
}

.survey-key li {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.key-block {
  display: inline-block;
  min-width: 20px;
  padding: 0 3px;
  background: var(--k);
  color: var(--paper);
  border-radius: 1px;
  font-size: 12px;
  font-weight: 600;
  line-height: 15px;
  text-align: center;
  font-variant-numeric: lining-nums;
}

/* ---------- the survey drawing ---------- */

.survey-neat {
  fill: none;
  stroke: var(--rule);
  stroke-width: 0.7;
}

.survey-rail {
  stroke: var(--ink);
  stroke-width: 0.9;
}

.survey-ties {
  stroke: var(--ink);
  stroke-width: 0.6;
}

.survey-loop {
  fill: none;
  stroke: var(--ink);
  stroke-width: 0.9;
}

.survey-platform {
  fill: var(--paper-deep);
  stroke: var(--ink);
  stroke-width: 0.7;
}

.survey-buffer {
  stroke: var(--ink);
  stroke-width: 2.2;
}

.survey-name {
  font-family: var(--text);
  font-style: italic;
  font-size: 14px;
  fill: var(--ink);
}

.survey-title {
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.12em;
  fill: var(--ink-soft);
}

.survey-time {
  font-family: var(--display);
  font-size: 20px;
  letter-spacing: 0.04em;
  fill: var(--ink);
  font-variant-numeric: lining-nums tabular-nums;
}

.survey-caption {
  font-family: var(--text);
  font-style: italic;
  font-size: 12px;
  fill: var(--ink-soft);
}

.scale-dark {
  fill: var(--ink);
}

.scale-light {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 0.6;
}

.scale-tick {
  stroke: var(--ink);
  stroke-width: 0.7;
}

.survey-train-body {
  fill: var(--k);
  stroke: var(--paper);
  stroke-width: 1;
}

.survey-train-no {
  font-family: var(--text);
  font-size: 11.5px;
  font-weight: 600;
  fill: var(--paper);
  font-variant-numeric: lining-nums;
}

/* ---------- side: trains and how-to ---------- */

.side {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.side h3 {
  margin: 0 0 6px;
  font-family: var(--display);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 4px;
}

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

.train {
  border-bottom: 1px solid var(--paper-edge);
  padding: 8px 8px 10px;
}

.train.selected {
  background: var(--paper-deep);
  box-shadow: inset 3px 0 0 var(--k);
}

.train-pick {
  appearance: none;
  display: grid;
  grid-template-columns: 34px 1fr;
  grid-template-rows: auto auto;
  column-gap: 8px;
  align-items: center;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  padding: 2px 0;
  cursor: pointer;
}

.swatch {
  grid-row: span 2;
  display: block;
  height: 4px;
  width: 30px;
  background: var(--k);
  border-radius: 2px;
}

.train.selected .swatch {
  height: 6px;
}

.train-name {
  font-weight: 600;
  font-size: 18px;
}

.train-name kbd {
  font-weight: 400;
  font-size: 13px;
  vertical-align: 2px;
}

.train-route {
  font-size: 15px;
  font-style: italic;
  color: var(--ink-soft);
}

.train-facts,
.arrival {
  margin: 2px 0 0 42px;
  font-size: 15px;
  color: var(--ink-soft);
  font-variant-numeric: lining-nums;
}

.arrival {
  color: var(--good);
}

.arrival.is-late {
  color: var(--alarm);
}

.knobs {
  list-style: none;
  margin: 8px 0 0 42px;
  padding: 0;
  display: grid;
  gap: 4px;
}

.knob-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 2px 4px;
  font-size: 16px;
}

.knob-row.active {
  outline: 1px dotted var(--ink-soft);
}

.stepper {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.stepper button {
  appearance: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--rule);
  background: var(--paper);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

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

.stepper output {
  min-width: 64px;
  text-align: center;
  font-variant-numeric: lining-nums tabular-nums;
}

.howto ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 16px;
}

.howto li {
  margin: 4px 0;
}

.howto strong {
  font-weight: 600;
}

.colophon {
  margin-top: 36px;
  border-top: 4px double var(--rule);
  padding-top: 10px;
  font-size: 15px;
  font-style: italic;
  color: var(--ink-soft);
  text-align: center;
}

.colophon p {
  margin: 2px 0;
}

/* ---------- narrow screens ---------- */

@media (max-width: 1179px) {
  .desk {
    grid-template-columns: minmax(0, 1fr);
  }

  .side {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 560px) {
  body {
    font-size: 17px;
  }

  .page {
    padding: 16px 16px 32px;
  }

  .masthead {
    align-items: flex-start;
  }

  .theme-toggle {
    font-size: 14px;
    padding: 4px 10px;
    min-height: 36px;
  }

  .sheet {
    padding: 12px 10px 14px;
    margin: 4px 3px;
  }

  .station-name {
    font-size: 13px;
  }

  .side {
    grid-template-columns: minmax(0, 1fr);
  }

  .train-facts,
  .arrival,
  .knobs {
    margin-left: 0;
  }

  .knob-row {
    flex-wrap: wrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .stamp {
    animation: none;
  }

  html:focus-within {
    scroll-behavior: auto;
  }
}