:root {
  color-scheme: dark;
  --black: #050705;
  --screen: #0a0d09;
  --screen-raised: #10130d;
  --amber: #ffc13b;
  --amber-soft: #d99a22;
  --amber-dim: #8b651c;
  --line: #644b19;
  --white: #f7f2e4;
  --setup-bg: #07111d;
  --setup-panel: #101d2c;
  --setup-line: #294057;
  --setup-accent: #35d0a0;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  overflow: hidden;
  background: var(--black);
  color: var(--amber);
  font-family: "Courier New", Courier, ui-monospace, monospace;
}

button,
input {
  font: inherit;
}

[hidden] {
  display: none !important;
}

.matrix-screen {
  position: relative;
  display: grid;
  grid-template-rows: auto 1fr auto;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  border: clamp(8px, 1.4vw, 22px) solid #151814;
  background:
    radial-gradient(circle at center, #15180f 0 0.7px, transparent 0.9px)
      0 0 / 4px 4px,
    linear-gradient(180deg, #090c08, #050705);
  box-shadow:
    inset 0 0 5rem #000,
    inset 0 0 0 2px #2b3028;
  text-shadow:
    0 0 4px #ffb000,
    0 0 10px #ff9a003d;
}

.matrix-screen::after {
  position: absolute;
  z-index: 20;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    #0003 4px
  );
  content: "";
}

.board-header,
.board-footer,
.summary-row,
.platform-heading,
.following-service {
  position: relative;
  z-index: 2;
}

.board-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 2px solid var(--line);
  padding: clamp(1rem, 2.4vw, 2.3rem) clamp(1rem, 3vw, 3rem);
}

.board-header p {
  margin: 0 0 0.35rem;
  color: var(--amber-soft);
  font-size: clamp(0.72rem, 1.3vw, 1.1rem);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.board-header h1 {
  margin: 0;
  max-width: 75vw;
  overflow: hidden;
  font-size: clamp(1.55rem, 4vw, 4.4rem);
  line-height: 1;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.board-clock {
  flex: 0 0 auto;
  display: grid;
  justify-items: end;
  font-variant-numeric: tabular-nums;
}

.board-clock time {
  font-size: clamp(1.15rem, 2.5vw, 2.5rem);
  font-weight: 900;
}

.board-clock span {
  color: var(--amber-soft);
  font-size: clamp(0.72rem, 1.2vw, 1rem);
  letter-spacing: 0.2em;
}

.board-message {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  padding: 2rem;
  color: var(--amber-soft);
  font-size: clamp(1rem, 2.5vw, 2.1rem);
  text-align: center;
}

.overview-board {
  position: relative;
  z-index: 2;
  min-height: 0;
  overflow: hidden;
}

.summary-services {
  height: calc(100% - clamp(2.2rem, 4vw, 4.2rem));
  overflow: hidden;
}

.summary-row {
  display: grid;
  grid-template-columns:
    minmax(4.5rem, 0.65fr) minmax(12rem, 4fr) minmax(3.8rem, 0.6fr)
    minmax(7rem, 1.35fr);
  align-items: center;
  min-height: clamp(3.2rem, 7.2vh, 6.2rem);
  border-bottom: 1px solid #513d18;
  padding: 0 clamp(0.8rem, 3vw, 3rem);
  font-size: clamp(0.92rem, 2.25vw, 2.45rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}

.summary-row > span {
  overflow: hidden;
  padding-right: 0.7rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.summary-head {
  min-height: clamp(2.2rem, 4vw, 4.2rem);
  color: var(--amber-soft);
  background: #171407;
  font-size: clamp(0.7rem, 1.2vw, 1.1rem);
  letter-spacing: 0.08em;
}

.summary-row.cancelled {
  animation: cancelled-flash 1.4s steps(1, end) infinite;
}

.expected {
  text-align: right;
}

.platform-cell {
  text-align: center;
}

.platform-board {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 0;
  grid-template-columns: minmax(0, 1fr) minmax(13rem, 28vw);
  grid-template-rows: 1fr auto;
  overflow: hidden;
}

.platform-heading {
  position: absolute;
  z-index: 4;
  top: 1.2rem;
  right: calc(28vw + 1.2rem);
  display: grid;
  min-width: clamp(6rem, 10vw, 11rem);
  border: 2px solid var(--amber);
  background: #090b08;
  padding: 0.45rem 0.8rem;
  text-align: center;
}

.platform-heading span {
  color: var(--amber-soft);
  font-size: clamp(0.55rem, 0.9vw, 0.85rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.platform-heading strong {
  font-size: clamp(1.8rem, 4vw, 4rem);
  line-height: 1;
}

.next-service {
  display: grid;
  align-content: center;
  min-width: 0;
  padding: clamp(1.2rem, 3vw, 3.2rem);
}

.next-label {
  margin: 0 0 1rem;
  color: var(--amber-soft);
  font-size: clamp(0.75rem, 1.25vw, 1.15rem);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.next-main {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: clamp(1rem, 3vw, 3rem);
}

.next-main:has(.next-time.revised) {
  grid-template-columns: 1fr;
  gap: clamp(0.7rem, 1.5vw, 1.25rem);
}

.next-main:has(.next-time.revised) .next-place {
  font-size: clamp(1.9rem, 4.4vw, 4.5rem);
}

.next-time {
  font-size: clamp(2.6rem, 6.5vw, 7rem);
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  line-height: 0.9;
}

.next-time-group {
  display: flex;
  align-items: baseline;
  gap: clamp(0.65rem, 1.5vw, 1.5rem);
  white-space: nowrap;
}

.next-time.revised {
  color: var(--amber-dim);
  text-decoration: line-through;
  text-decoration-thickness: 0.08em;
}

.next-time-estimated {
  color: var(--amber);
  font-size: clamp(2.35rem, 5.5vw, 6rem);
}

.next-place {
  min-width: 0;
  overflow: hidden;
  font-size: clamp(1.9rem, 5.5vw, 6rem);
  font-weight: 900;
  line-height: 0.92;
  text-overflow: ellipsis;
  text-transform: uppercase;
}

.next-expected {
  margin: 1rem 0;
  font-size: clamp(1.05rem, 2vw, 2.1rem);
  font-weight: 800;
}

.calling-strip {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
  margin-top: 0.25rem;
  border-block: 1px solid var(--line);
  padding-block: 0.65rem;
}

.calling-strip-label {
  color: var(--amber-soft);
  font-size: clamp(0.65rem, 1vw, 0.9rem);
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.calling-viewport {
  overflow: hidden;
  min-width: 0;
}

.calling-track {
  direction: ltr;
  display: flex;
  flex-direction: row;
  align-items: baseline;
  width: max-content;
  gap: clamp(0.7rem, 1.5vw, 1.5rem);
  color: var(--amber-soft);
  font-size: clamp(0.85rem, 1.6vw, 1.55rem);
  line-height: 1.35;
  white-space: nowrap;
  transform: translate3d(-100%, 0, 0);
  animation: calling-scroll-ltr 30s linear 0s infinite normal both;
  will-change: transform;
}

.calling-stop {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
}

.calling-stop strong {
  color: var(--amber);
  text-transform: uppercase;
}

.calling-time del {
  color: var(--amber-dim);
  text-decoration-thickness: 0.1em;
}

.calling-time ins {
  color: var(--amber);
  font-weight: 900;
  text-decoration: none;
}

.calling-arrow {
  color: var(--amber-dim);
  font-weight: 900;
}

.following-heading {
  grid-column: 2;
  grid-row: 1;
  align-self: start;
  border-bottom: 1px solid var(--line);
  padding: 1.3rem 1rem 0.8rem;
  color: var(--amber-soft);
  font-size: clamp(0.65rem, 1vw, 0.9rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.following-services {
  grid-column: 2;
  grid-row: 1 / 3;
  min-height: 0;
  overflow: hidden;
  border-left: 1px solid var(--line);
  padding-top: 3.7rem;
}

.following-service {
  width: 100%;
  display: grid;
  gap: 0.35rem;
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--amber);
  padding: clamp(0.8rem, 1.5vw, 1.4rem) 1rem;
  text-align: left;
  text-shadow: inherit;
  cursor: pointer;
}

.following-service:hover,
.following-service:focus-visible {
  outline: none;
  background: #ffc13b12;
  box-shadow: inset 3px 0 var(--amber);
}

.following-service strong {
  display: flex;
  gap: 0.65rem;
  overflow: hidden;
  font-size: clamp(1rem, 1.8vw, 1.7rem);
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.following-service strong span {
  overflow: hidden;
  color: inherit;
  font: inherit;
  text-overflow: ellipsis;
}

.following-service > span {
  color: var(--amber-soft);
  font-size: clamp(0.7rem, 1vw, 0.9rem);
}

.following-service small {
  color: var(--amber-dim);
  font-size: clamp(0.58rem, 0.8vw, 0.72rem);
  text-transform: uppercase;
}

.board-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: clamp(2.3rem, 4vw, 4rem);
  border-top: 2px solid var(--line);
  padding: 0 clamp(0.8rem, 3vw, 3rem);
  color: var(--amber-soft);
  font-size: clamp(0.62rem, 1vw, 0.9rem);
  text-transform: uppercase;
}

.board-footer #refresh-status {
  margin-left: auto;
}

.matrix-pulse {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px var(--amber);
}

.matrix-pulse.updating {
  animation: update-pulse 0.7s ease-in-out infinite alternate;
}

.configure-button {
  position: fixed;
  z-index: 50;
  right: 1rem;
  bottom: calc(clamp(2.3rem, 4vw, 4rem) + 1rem);
  border: 1px solid var(--amber);
  border-radius: 4px;
  background: #050705e8;
  color: var(--amber);
  padding: 0.65rem 0.8rem;
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.setup-layer {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: grid;
  overflow-y: auto;
  place-items: center;
  background:
    radial-gradient(circle at 80% 0, #193b4d 0, transparent 35rem),
    #07111def;
  padding: 1.5rem;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  text-shadow: none;
}

.setup-card {
  width: min(46rem, 100%);
  border: 1px solid var(--setup-line);
  border-radius: 0.8rem;
  background: #101d2cf5;
  box-shadow: 0 2rem 6rem #0008;
  color: var(--white);
  padding: clamp(1.3rem, 4vw, 2.5rem);
}

.setup-brand {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  color: #9db0c2;
  font-size: 0.75rem;
  font-weight: 750;
  text-transform: uppercase;
}

.setup-brand a {
  color: var(--setup-accent);
  text-decoration: none;
}

.setup-kicker {
  margin: 0 0 0.35rem;
  color: var(--setup-accent);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.setup-card h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.045em;
}

.setup-copy {
  max-width: 37rem;
  margin: 0 0 1.7rem;
  color: #a9bacb;
  line-height: 1.55;
}

#railboard-form {
  display: grid;
  gap: 1.15rem;
}

#railboard-form > label {
  display: grid;
  gap: 0.45rem;
  color: #a9bacb;
  font-size: 0.8rem;
  font-weight: 750;
}

#railboard-form input[type="text"],
#railboard-form input:not([type]) {
  width: 100%;
  min-height: 3rem;
  border: 1px solid #3b536b;
  border-radius: 0.4rem;
  outline: none;
  background: #07111d;
  color: var(--white);
  padding: 0.7rem 0.8rem;
}

#railboard-form input:focus {
  border-color: var(--setup-accent);
  box-shadow: 0 0 0 3px #35d0a022;
}

fieldset {
  margin: 0;
  border: 0;
  padding: 0;
}

legend {
  margin-bottom: 0.55rem;
  color: #a9bacb;
  font-size: 0.8rem;
  font-weight: 750;
}

.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

.choice {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  border: 1px solid var(--setup-line);
  border-radius: 0.55rem;
  background: #0a1623;
  padding: 0.9rem;
  cursor: pointer;
}

.choice:has(input:checked) {
  border-color: var(--setup-accent);
  background: #35d0a00e;
}

.choice input {
  margin-top: 0.15rem;
  accent-color: var(--setup-accent);
}

.choice span {
  display: grid;
  gap: 0.18rem;
}

.choice small {
  color: #8da0b3;
}

.setup-error {
  min-height: 1.1rem;
  margin: 0;
  color: #ff8c98;
  font-size: 0.8rem;
}

.start-button {
  min-height: 3rem;
  border: 0;
  border-radius: 0.45rem;
  background: var(--setup-accent);
  color: #04110d;
  padding: 0.75rem 1rem;
  cursor: pointer;
  font-weight: 900;
}

@keyframes cancelled-flash {
  50% {
    opacity: 0.42;
  }
}

@keyframes calling-scroll-ltr {
  from {
    transform: translate3d(-100%, 0, 0);
  }

  to {
    transform: translate3d(100vw, 0, 0);
  }
}

@keyframes update-pulse {
  to {
    opacity: 0.25;
  }
}

@media (max-width: 760px) {
  .matrix-screen {
    border-width: 6px;
  }

  .board-header {
    align-items: center;
    padding: 0.85rem;
  }

  .board-header h1 {
    max-width: 67vw;
  }

  .summary-row {
    grid-template-columns: 3.9rem minmax(7rem, 1fr) 2.8rem 5.3rem;
    padding: 0 0.6rem;
    font-size: clamp(0.68rem, 3.3vw, 1rem);
  }

  .summary-row > span {
    padding-right: 0.35rem;
  }

  .platform-board {
    display: block;
    overflow-y: auto;
  }

  .next-service {
    min-height: 65%;
    padding: 1rem;
  }

  .next-main {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .next-time {
    font-size: clamp(2.2rem, 11vw, 4rem);
  }

  .next-time-estimated {
    font-size: clamp(2rem, 10vw, 3.7rem);
  }

  .next-place {
    font-size: clamp(1.8rem, 11vw, 3.5rem);
  }

  .platform-heading {
    top: 0.8rem;
    right: 0.8rem;
  }

  .following-heading {
    border-top: 1px solid var(--line);
  }

  .following-services {
    border-left: 0;
    padding-top: 0;
  }

  .board-footer #refresh-status {
    display: none;
  }

  .choice-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .summary-row.cancelled,
  .matrix-pulse.updating {
    animation: none;
  }

  .calling-viewport {
    overflow-x: auto;
  }

  .calling-track {
    transform: none;
    animation: none;
  }
}