/* universal styles */
:root {
  --gray-1: #e5e5e5;
  --gray-2: #c8c8c8;
  --gray-3: #ababab;
  --gray-4: #8e8e8e;
  --gray-5: #717171;
  --gray-6: #545454;
  --gray-7: #373737;
  --gray-8: #1a1a1a;
}
* {
  box-sizing: border-box;
  margin: 0;
  border: 0;
  padding: 0;
}
html,
body {
  overflow: hidden;
  width: 100%;
  height: 100%;
}
html {
  font-family: Verdana, sans-serif;
  font-size: 16px;
}
body {
  display: grid;
}
#arrow-svg {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}
h2 {
  margin: 1rem 2rem 1.5rem;
  font-size: 2rem;
}
h3 {
  margin-bottom: 0.75rem;
  align-self: center;
  font-size: 1.414rem;
}
table {
  width: fit-content;
  border-collapse: collapse;
}
th {
  border-bottom: 3px solid var(--gray-8);
  padding: 0.5rem 1rem;
}
td {
  border-bottom: 1px solid var(--gray-8);
  padding: 0.5rem 1rem;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
#display-panel {
  grid-area: display;
  overflow-x: hidden;
  overflow-y: auto;
  background-color: var(--gray-1);
  color: var(--gray-8);
}
body.info-mode #display-panel {
  scrollbar-gutter: stable;
}
#sim-panel,
#info-panel,
#map-wrapper,
#general-info-panel,
#route-info-panel {
  display: flow-root;
  width: 100%;
  height: 100%;
}
#general-info-panel::after,
#route-info-panel::after {
  content: '';
  display: block;
  height: 1rem;
}
.header-content {
  margin: 0 3rem 0 1rem;
}
.collapsible {
  width: auto;
  max-width: 36rem;
  margin: 2rem 1.5rem 0.5rem;
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
  background-color: var(--gray-8);
  color: var(--gray-1);
  cursor: pointer;
  user-select: none;
}
.collapsible:hover {
  background-color: var(--gray-5);
}
.collapsible-content {
  overflow: hidden;
  margin: 0 3rem 0 2rem;
  transition: max-height 0.3s ease-out;
}
.collapsible-content.open {
  transition: max-height 0.5s ease-in;
}
.collapsible-content p {
  margin-top: 1.5rem;
}
.collapsible-content table,
.collapsible-content ul {
  margin: 0.5rem 3rem 0 2rem;
}
.table-container {
  overflow-x: auto;
}
.collapsible-content li {
  margin-top: 0.25rem;
}
.collapsible-content li:first-child {
  margin-top: 0;
}
.collapsible-content math {
  margin: 0.75rem 4rem 0.25rem;
  justify-self: left;
  font-size: 1.414rem;
}
.collapsible-content :first-child {
  margin-top: 0;
}
.collapsible-content:last-child {
  margin-bottom: 2rem;
}
#guide-map-frame {
  overflow: hidden;
  width: calc(100% - 4rem);
  max-width: 36rem;
  aspect-ratio: 1;
  max-height: 24rem;
  margin: 2rem 2rem 0;
  border: 2px solid var(--gray-8);
  border-radius: 0.375rem;
}
#guide-map {
  width: 100%;
  height: 100%;
}
#section-table {
  overflow-x: auto;
  margin: 2rem;
}
.align-left {
  text-align: left;
}
.align-center {
  text-align: center;
}
.align-right {
  text-align: right;
}
#settings-panel {
  grid-area: settings;
  background-color: var(--gray-8);
  color: var(--gray-1);
}
button, option, #route-selector {
  border-radius: 0.25rem;
  padding: 0.125rem;
  background-color: var(--gray-1);
  color: var(--gray-8);
}
#collapse-toggle {
  position: absolute;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border: none;
  border-radius: 50%;
  background-color: var(--gray-8);
  cursor: pointer;
  transition: opacity 0.2s ease;
}
#collapse-toggle:hover {
  background-color: var(--gray-5);
}
#arrow {
  clip-path: url(#arrow-shape);
  width: 1.5rem;
  height: 1.5rem;
  background-color: var(--gray-1);
}
.no-wrap {
  white-space: nowrap;
}
#title {
  grid-area: title;
}
.radio-panel {
  display: grid;
  grid-template-rows: subgrid;
  margin: 0.5rem 0.5rem 0.75rem 1.5rem;
}
.radio-group {
  display: flex;
  flex-direction: column;
}
.radio-group input {
  width: 0.875rem;
  height: 0.875rem;
  margin-right: 0.5rem;
}
.radio-group label {
  display: flex;
  align-items: center;
  margin-bottom: 0.375rem;
}
#mode {
  grid-area: mode;
}
#units {
  grid-area: units;
}
#phase {
  grid-area: phase;
}
#train-speed {
  grid-area: tspeed;
}
#ridership {
  grid-area: riders;
}
#clock-speed {
  grid-area: cspeed;
}
#clock-panel {
  grid-area: clock;
  display: grid;
  grid-template-rows: subgrid;
  margin: 0.5rem 0.5rem 0.75rem 1.5rem;
}
#clock-adjusters {
  display: flex;
  flex-direction: column;
  margin: 0 1rem 0.375rem 0;
}
#clock-slider {
  margin-bottom: 0.5rem;
}
#clock-buttons {
  display: flex;
  flex-direction: row;
}
.tick {
  flex: 1;
}
#play-pause {
  flex: 5;
  margin: 0 0.5rem;
}
#route-panel {
  grid-area: route;
  display: grid;
  grid-template-rows: subgrid;
  margin: 0.5rem 0.5rem 0.75rem 1.5rem;
}
#route-selector {
  margin: 0 1rem 0.375rem 0;
  align-self: start;
}
#settings-end {
  grid-area: footer;
  display: flex;
  flex-direction: column;
}
#logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0.5rem 1.5rem 0.75rem;
}
#settings-footer {
  display: flex;
  flex-direction: row;
  align-items: end;
  margin: 0 auto;
  font-size: 0.707rem;
}
#copy-attr {
  flex: auto;
  margin: 0.5rem 0.5rem 0.75rem 1.5rem;
}
#copy-attr p {
  margin-top: 0.5rem;
}
#home-div {
  flex: auto;
  margin: 0.5rem 0.5rem 0.75rem 1.5rem;
}
#home-link {
  display: flex;
  flex-direction: column;
  align-items: center;
}
a:link, a:visited {
  color: #9fdfec;
}
a:hover, a:active {
  color: #e8b7da;
}

/* minimum conditions */
@media (max-width: 30rem), (max-height: 20rem) {
  html {
    font-size: min(calc(100vw / 30), calc(100vh / 20));
  }
}

/* fixed display panel width with collapsible settings panel on right */
@media (max-width: 45rem) and (max-height: 75rem) {
  body {
    grid-template-areas:
      "display settings";
    transition: grid-template-columns 0.3s ease-in-out;
  }
  #display-panel {
    width: calc(100vw - 3rem);
    height: 100%;
  }
  #settings-panel {
    z-index: 5;
    display: grid;
    align-content: start;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-gutter: stable;
    width: 27rem;
    height: 100%;
  }
  #settings-panel > *:not(#collapse-toggle) {
    transition: opacity 0.3s ease-in-out;
  }
  #collapse-toggle {
    top: 50%;
    transform: translate(-50%, -50%);
  }
  #logo-image {
    width: 21rem;
    height: 21rem;
  }
  #settings-footer {
    margin-bottom: 1rem;
  }
  #home-image {
    width: 6rem;
    height: 6rem;
  }
  body.expanded {
    grid-template-columns: minmax(0, 1fr) 27rem;
  }
  body.collapsed {
    grid-template-columns: 1fr 3rem;
  }
  body.collapsed #arrow {
    transform: rotate(180deg);
  }
  body.collapsed #settings-panel > *:not(#collapse-toggle) {
    opacity: 0.25;
    pointer-events: none;
  }
  body.sim-mode #settings-panel {
    grid-template-areas:
      "title title"
      "mode units"
      "mode units"
      "phase tspeed"
      "phase tspeed"
      "riders cspeed"
      "riders cspeed"
      "clock clock"
      "clock clock"
      "footer footer";
    grid-template-columns: 50% 50%;
    grid-template-rows: auto;
  }
  body.sim-mode #route-panel {
    display: none;
  }
  body.info-mode #settings-panel {
    grid-template-areas:
      "title title"
      "mode units"
      "mode units"
      "phase tspeed"
      "phase tspeed"
      "route route"
      "route route"
      "footer footer";
    grid-template-columns: 50% 50%;
    grid-template-rows: auto;
  }
  body.info-mode #ridership,
  body.info-mode #clock-speed,
  body.info-mode #clock-panel {
    display: none;
  }
}

/* collapsible settings panel on right */
@media (min-width: 45rem) and (max-width: 75rem) and (max-height: 45rem) {
  body {
    grid-template-areas:
      "display settings";
    transition: grid-template-columns 0.3s ease-in-out;
  }
  #display-panel {
    height: 100%;
  }
  #settings-panel {
    display: grid;
    align-content: start;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-gutter: stable;
    width: 27rem;
    height: 100%;
  }
  #settings-panel > *:not(#collapse-toggle) {
    transition: opacity 0.3s ease-in-out;
  }
  #collapse-toggle {
    top: 50%;
    transform: translate(-50%, -50%);
  }
  #logo-image {
    width: 21rem;
    height: 21rem;
  }
  #settings-footer {
    margin-bottom: 1rem;
  }
  #home-image {
    width: 6rem;
    height: 6rem;
  }
  body.expanded {
    grid-template-columns: 1fr 27rem;
  }
  body.collapsed {
    grid-template-columns: 1fr 3rem;
  }
  body.collapsed #arrow {
    transform: rotate(180deg);
  }
  body.collapsed #settings-panel > *:not(#collapse-toggle) {
    opacity: 0.25;
    pointer-events: none;
  }
  body.sim-mode #settings-panel {
    grid-template-areas:
      "title title"
      "mode units"
      "mode units"
      "phase tspeed"
      "phase tspeed"
      "riders cspeed"
      "riders cspeed"
      "clock clock"
      "clock clock"
      "footer footer";
    grid-template-columns: 50% 50%;
    grid-template-rows: auto;
  }
  body.sim-mode #route-panel {
    display: none;
  }
  body.info-mode #settings-panel {
    grid-template-areas:
      "title title"
      "mode units"
      "mode units"
      "phase tspeed"
      "phase tspeed"
      "route route"
      "route route"
      "footer footer";
    grid-template-columns: 50% 50%;
    grid-template-rows: auto;
  }
  body.info-mode #ridership,
  body.info-mode #clock-speed,
  body.info-mode #clock-panel {
    display: none;
  }
}

/* collapsible settings panel on bottom */
@media (min-width: 45rem) and (max-width: 75rem)
    and (min-height: 45rem) and (max-height: 75rem) {
  body {
    grid-template-areas:
      "display"
      "settings";
    transition: grid-template-rows 0.3s ease-in-out;
  }
  #display-panel {
    width: 100%;
  }
  #settings-panel {
    display: grid;
    align-content: start;
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
    height: 26rem;
  }
  #settings-panel > *:not(#collapse-toggle) {
    transition: opacity 0.3s ease-in-out;
  }
  #collapse-toggle {
    left: 50%;
    transform: translate(-50%, -50%);
  }
  #settings-end {
    margin-top: 1rem;
  }
  #logo-image {
    width: 16rem;
    height: 16rem;
  }
  #home-image {
    width: 4rem;
    height: 4rem;
  }
  body.expanded {
    grid-template-rows: 1fr 26rem;
  }
  body.expanded #arrow {
    transform: rotate(90deg);
  }
  body.collapsed {
    grid-template-rows: 1fr 3rem;
  }
  body.collapsed #arrow {
    transform: rotate(270deg);
  }
  body.collapsed #settings-panel > *:not(#collapse-toggle) {
    opacity: 0.25;
    pointer-events: none;
  }
  body.sim-mode #settings-panel {
    grid-template-areas:
      "title title title title footer"
      "mode units clock clock footer"
      "mode units clock clock footer"
      "phase tspeed riders cspeed footer"
      "phase tspeed riders cspeed footer";
    grid-template-columns: repeat(4, 12.5rem) 20rem;
    grid-template-rows: auto;
  }
  body.sim-mode #route-panel {
    display: none;
  }
  body.info-mode #settings-panel {
    grid-template-areas:
      "title title title footer"
      "mode units route footer"
      "mode units route footer"
      "phase tspeed . footer"
      "phase tspeed . footer";
    grid-template-columns: repeat(2, 12.5rem) 25rem 20rem;
    grid-template-rows: auto;
  }
  body.info-mode #ridership,
  body.info-mode #clock-speed,
  body.info-mode #clock-panel {
    display: none;
  }
}

/* permanent settings panel on right */
@media (min-width: 75rem) and (orientation: landscape) {
  body {
    grid-template-areas:
      "display settings";
    grid-template-columns: 1fr 27rem;
  }
  #display-panel {
    height: 100%;
  }
  #settings-panel {
    display: grid;
    align-content: start;
    overflow-x: hidden;
    overflow-y: auto;
    scrollbar-gutter: stable;
    width: 27rem;
    height: 100%;
  }
  #collapse-toggle {
    display: none;
  }
  #logo-image {
    width: 21rem;
    height: 21rem;
  }
  #settings-footer {
    margin-bottom: 1rem;
  }
  #home-image {
    width: 6rem;
    height: 6rem;
  }
  body.sim-mode #settings-panel {
    grid-template-areas:
      "title title"
      "mode units"
      "mode units"
      "phase tspeed"
      "phase tspeed"
      "riders cspeed"
      "riders cspeed"
      "clock clock"
      "clock clock"
      "footer footer";
    grid-template-columns: 50% 50%;
    grid-template-rows: auto;
  }
  body.sim-mode #route-panel {
    display: none;
  }
  body.info-mode #settings-panel {
    grid-template-areas:
      "title title"
      "mode units"
      "mode units"
      "phase tspeed"
      "phase tspeed"
      "route route"
      "route route"
      "footer footer";
    grid-template-columns: 50% 50%;
    grid-template-rows: auto;
  }
  body.info-mode #ridership,
  body.info-mode #clock-speed,
  body.info-mode #clock-panel {
    display: none;
  }
}

/* permanent settings panel on bottom */
@media (min-height: 75rem) and (orientation: portrait) {
  body {
    grid-template-areas:
      "display"
      "settings";
    grid-template-rows: 1fr 26rem;
  }
  #display-panel {
    width: 100%;
  }
  #settings-panel {
    display: grid;
    align-content: start;
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
    height: 26rem;
  }
  #collapse-toggle {
    display: none;
  }
  #settings-end {
    margin-top: 1rem;
  }
  #logo-image {
    width: 16rem;
    height: 16rem;
  }
  #home-image {
    width: 4rem;
    height: 4rem;
  }
  body.sim-mode #settings-panel {
    grid-template-areas:
      "title title title title footer"
      "mode units clock clock footer"
      "mode units clock clock footer"
      "phase tspeed riders cspeed footer"
      "phase tspeed riders cspeed footer";
    grid-template-columns: repeat(4, 12.5rem) 20rem;
    grid-template-rows: auto;
  }
  body.sim-mode #route-panel {
    display: none;
  }
  body.info-mode #settings-panel {
    grid-template-areas:
      "title title title footer"
      "mode units route footer"
      "mode units route footer"
      "phase tspeed . footer"
      "phase tspeed . footer";
    grid-template-columns: repeat(2, 12.5rem) 25rem 20rem;
    grid-template-rows: auto;
  }
  body.info-mode #ridership,
  body.info-mode #clock-speed,
  body.info-mode #clock-panel {
    display: none;
  }
}