style.css

:root {
  font-size: 18px;
  background-color: var(--color-charcoal-black);
  color: white;
  font-family: Roboto, sans-serif;
  font-weight: 600;
  --color-on-time: rgb(78, 154, 6);
  --color-slightly-off-schedule: rgb(202, 92, 0);
  --color-off-schedule: rgb(164, 0, 0);
  --color-on-time-light: rgb(115, 226, 52);
  --color-slightly-off-schedule-light: rgb(245, 121, 0);
  --color-off-schedule-light: rgb(204, 0, 0);
  --color-white: white;
  --color-light-grey: rgb(238, 238, 236);
  --color-grey: rgb(186, 189, 182);
  --color-charcoal: rgb(85, 87, 83);
  --color-charcoal-black: rgb(46, 52, 54);
  --color-black: rgb(14, 16, 17);
  --color-blue: rgb(114, 159, 207);
  --color-purple: rgb(173, 127, 168);
  --color-pink: rgb(255, 95, 196);
  --type-scale--2: 0.563rem;
  --type-scale--1: 0.75rem;
  --type-scale-0: 1rem;
  --type-scale-1: 1.333rem;
  --type-scale-2: 1.777rem;
  --type-scale-3: 2.369rem;
}

@media screen and (max-width: 400px) {
  :root {
    font-size: 16px;
  }
}

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

html,
head,
body {
  padding: 0;
  margin: 0;
}

header {
  font-size: var(--type-scale-2);
  display: flex;
  flex-direction: row;
  margin-bottom: 2rem;
}

header h1 {
  font-size: var(--type-scale-2);
  flex: 1;
  margin: 0;
  font-weight: 300;
  text-align: center;
}

a {
  color: var(--color-blue);
  text-decoration: none;
}

a:visited {
  color: var(--color-purple);
}

.language-select {
  margin-bottom: 0.5rem;
  line-height: 1rem;
  font-size: 1rem;
  display: flex;
  justify-content: flex-end;
}

.language-select button {
  background: transparent;
  border-radius: 0;
  border: 0 solid transparent;
  border-bottom-width: 1px;
  background: transparent;
  color: white;
}

.language-select button.is-current {
  border-color: white;
  font-weight: 600;
}

.language-select option {
  color: black;
}

.stations,
.stations li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.stations {
  padding: 0 0.5rem;
  line-height: 2;
  font-size: var(--type-scale-1);
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.back-link,
.swap-link {
  display: block;
  color: var(--color-light-grey) !important;
  width: var(--type-scale-2);
  height: var(--type-scale-2);
}

.swap-link svg {
  width: 100%;
  height: 100%;
}

.container {
  padding: 0.5rem 0.2rem 3rem;
  margin: 0 auto;
  width: 100%;
  max-width: 30rem;
  box-sizing: border-box;
  min-height: 100vh;
}

.train {
  display: block;
  margin-bottom: 2rem;
}

.train-content {
  padding: 1rem 1rem 0.5rem;
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  background-color: var(--color-black);
  border-radius: 0.5rem 0.5rem 0 0;
}

.train-name {
  width: 1.5rem;
  margin-right: 0.5rem;
  margin-left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--type-scale-3);
  font-weight: 300;
  color: var(--color-grey);
}

.train-name.is-running {
  color: var(--color-white);
}

.train-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.train-status-arriving {
  font-size: var(--type-scale--1);
  color: var(--color-grey);
}

.train-status-time {
  font-size: var(--type-scale-2);
  color: var(--color-light-grey);
  font-weight: 300;
}

.train-status-badge {
  color: white;
  padding: 2px 1rem;
  background-color: var(--color-charcoal);
  display: flex;
  justify-content: space-between;
  border-radius: 0 0 0.5rem 0.5rem;
}

.train.is-expanded .train-content {
  padding: 2rem 1rem 1rem;
}
.train.is-expanded .train-status-badge {
  padding: 0.5rem 1rem;
}
.train.is-expanded .train-stations-separator {
  height: 2rem;
}

.train-status-badge.is-on-time {
  background-color: var(--color-on-time);
}

.train-status-badge.is-slightly-off-schedule {
  background-color: var(--color-slightly-off-schedule);
}

.train-status-badge.is-off-schedule {
  background-color: var(--color-off-schedule);
}

.train-status-badge.is-cancelled {
  background-color: var(--color-off-schedule);
}

.train-wagon-count {
  overflow: hidden;
  height: 1rem;
  display: inline-block;
}

.train-wagon-count svg {
  width: 2rem;
  /* counter the spacing in the icon */
  margin-top: -0.5rem;
}

.train-stations {
  flex: 1;
}

.train-stations-row {
  display: flex;
  flex-direction: row;
  font-weight: normal;
  line-height: var(--type-scale-1);
  color: var(--color-white);
}

.train-stations-estimate,
.train-stations-separator {
  width: 3rem;
  margin-right: 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.train-stations-estimate {
  font-weight: bold;
}

.train-stations-estimate-time.is-on-time {
  color: var(--color-on-time-light);
}

.train-stations-estimate-time.is-slightly-off-schedule {
  color: var(--color-slightly-off-schedule-light);
}

.train-stations-estimate-time.is-off-schedule {
  color: var(--color-off-schedule-light);
}

.train-stations-scheduled-inaccurate {
  text-decoration: line-through;
  color: var(--color-grey);
  font-size: var(--type-scale--1);
  line-height: var(--type-scale--1);
}

.train-stations-track {
  margin-left: 0.5rem;
  font-weight: bold;
}

.duration {
  padding-top: 2px;
}

.duration-text {
  color: var(--color-white);
  font-size: var(--type-scale--1);
  margin-left: 1rem;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.duration-bar {
  width: 100%;
  height: 2px;
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  background: var(--color-charcoal);
}

.duration-bar-reference {
  background: var(--color-grey);
}

.duration-bar-diff {
  background: var(--color-slightly-off-schedule-light);
}

.schedule-settings {
  text-align: center;
  font-weight: 300;
}

.trains-end-of-list {
  margin-top: 2rem;
  font-weight: 300;
  text-align: center;
}

footer {
  margin: 2rem 0 0;
  background: var(--color-black);
  padding: 1rem;
  text-align: center;
  font-weight: 300;
  line-height: 1.5;
}

footer .pink {
  color: var(--color-pink);
}

footer .small {
  margin-top: 0;
  font-size: var(--type-scale--1);
}