:root {
  --bg: #090f16;
  --surface: #111a25;
  --surface-2: #0f1722;
  --text: #f1f6fb;
  --muted: #9caec3;
  --border: #273547;
  --danger: #ff8f8f;
  --warning: #f6cf79;
  --ok: #93dda0;
  --shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
  --depart-primary: #196de0;
  --depart-accent: #8fc1ff;
  --arrivee-primary: #2aa64a;
  --arrivee-accent: #9ce9ad;
}

* {
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  background: radial-gradient(circle at 20% -10%, #16273d 0%, var(--bg) 42%), var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

.app {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 12px;
  padding: 12px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: linear-gradient(110deg, #0f1722, #111c2a);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  box-shadow: var(--shadow);
}

h1 {
  margin: 0;
  font-size: 1.65rem;
  letter-spacing: 0.4px;
  line-height: 1.1;
}

.subtitle {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.meta {
  text-align: right;
}

#clock {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  font-variant-numeric: tabular-nums;
}

#status {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  max-width: 420px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.boards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  min-height: 0;
}

.board {
  min-height: 0;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto auto 1fr;
  box-shadow: var(--shadow);
}

.board-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
}

.board-header h2 {
  margin: 0;
  font-size: 1.32rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.board-header p {
  margin: 0;
  color: #e5eef9;
  font-size: 0.86rem;
  opacity: 0.9;
  font-weight: 600;
}

.board-departures .board-header {
  background: linear-gradient(90deg, #10335f, var(--depart-primary));
}

.board-arrivals .board-header {
  background: linear-gradient(90deg, #12482a, var(--arrivee-primary));
}

.table-head {
  display: grid;
  grid-template-columns: 92px 82px minmax(120px, 1.2fr) 84px 92px 2fr;
  gap: 10px;
  padding: 9px 12px;
  font-size: 0.76rem;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.75px;
  background: #0f1722;
  position: sticky;
  top: 0;
  z-index: 2;
}

.rows {
  overflow: auto;
  padding: 8px;
  background: linear-gradient(180deg, #111a25 0%, #0d151f 100%);
}

.train-row {
  display: grid;
  grid-template-columns: 92px 82px minmax(120px, 1.2fr) 84px 92px 2fr;
  gap: 10px;
  align-items: center;
  margin: 0 0 6px;
  padding: 9px 10px;
  border-radius: 9px;
  border: 1px solid #223142;
  background: linear-gradient(180deg, #111b27, #0f1823);
  font-size: 0.96rem;
  line-height: 1.15;
}

.board-departures .train-row {
  border-left: 4px solid rgba(25, 109, 224, 0.72);
}

.board-arrivals .train-row {
  border-left: 4px solid rgba(42, 166, 74, 0.72);
}

.train-number {
  font-weight: 800;
  font-size: 1.03rem;
  letter-spacing: 0.3px;
  color: #d6e7ff;
  font-variant-numeric: tabular-nums;
}

.time {
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: 0.45px;
  font-variant-numeric: tabular-nums;
}

.place {
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #f1f7ff;
}

.track {
  justify-self: start;
  min-width: 64px;
  text-align: center;
  font-weight: 700;
  border-radius: 7px;
  padding: 5px 8px;
  border: 2px solid;
  font-size: 0.92rem;
  letter-spacing: 0.3px;
  font-variant-numeric: tabular-nums;
}

.track.confirmed {
  border-color: #f2f7ff;
  color: #f2f7ff;
  background: rgba(255, 255, 255, 0.09);
}

.track.provisional {
  border-style: dashed;
  border-color: #f4cb74;
  color: #ffe7b4;
  background: rgba(246, 207, 121, 0.08);
}

.delay {
  font-weight: 700;
  font-size: 0.92rem;
  padding: 4px 7px;
  border-radius: 999px;
  width: fit-content;
}

.delay.ok {
  color: var(--ok);
  background: rgba(147, 221, 160, 0.14);
}

.delay.warn {
  color: var(--warning);
  background: rgba(246, 207, 121, 0.14);
}

.delay.late {
  color: var(--danger);
  background: rgba(255, 143, 143, 0.14);
}

.dynamic-info {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
}

.dynamic-line {
  min-width: 0;
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: 7px;
}

.dynamic-label {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.65px;
  font-weight: 600;
}

.dynamic-value {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #eef6ff;
  font-size: 0.9rem;
}

.dynamic-line.secondary {
  display: none;
}

.train-row.priority {
  padding-top: 11px;
  padding-bottom: 11px;
}

.train-row.priority .dynamic-line.secondary {
  display: grid;
}

.dynamic-label-2,
.dynamic-value-2 {
  color: #d8e8fa;
}

.dynamic-label-2 {
  text-transform: uppercase;
  font-size: 0.7rem;
  letter-spacing: 0.6px;
  font-weight: 600;
  opacity: 0.9;
}

.dynamic-value-2 {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: 0.86rem;
  opacity: 0.95;
}

.empty-state {
  color: var(--muted);
  text-align: center;
  padding: 24px 10px;
}

@media (max-width: 1380px) {
  .train-row, .table-head {
    grid-template-columns: 80px 68px minmax(100px, 1fr) 68px 78px 1.8fr;
    gap: 8px;
  }

  .dynamic-line {
    grid-template-columns: 120px 1fr;
  }
}