:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #16181d;
  --muted: #5d6470;
  --line: #e2e5ea;
  --accent: #2f6fdb;
  --ok: #1f8a4c;
  --ok-bg: #e5f4ea;
  --warn: #9a6200;
  --warn-bg: #fdf1dc;
  --bad: #c0362c;
  --bad-bg: #fbe6e4;
  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111317;
    --card: #1a1d23;
    --text: #eceef2;
    --muted: #9aa1ad;
    --line: #2b3038;
    --accent: #6b9cff;
    --ok: #5fcf8c;
    --ok-bg: #173323;
    --warn: #f1b44c;
    --warn-bg: #3a2c12;
    --bad: #ff7a6e;
    --bad-bg: #3d1a17;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.top, main, .foot {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 16px;
}

.top { padding-top: 28px; }
h1 { font-size: 1.55rem; margin: 0 0 6px; letter-spacing: -0.01em; }
.sub { margin: 0 0 18px; color: var(--muted); }

.route {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: end;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}

.route label { display: grid; gap: 4px; font-size: 0.8rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }

select {
  width: 100%;
  font: inherit;
  font-size: 1rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 8px;
  min-height: 44px;
}

.swap {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--accent);
  font-size: 1.2rem;
  cursor: pointer;
}
.swap:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.network {
  margin: 14px 0 0;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--card);
  border: 1px solid var(--line);
  font-size: 0.92rem;
}

.state { color: var(--muted); margin: 14px 2px; }
.state:empty { display: none; }

.list { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 10px; }

.train {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.train.canceled { opacity: 0.85; }

.row { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; }

.times { font-size: 1.35rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.times .arrow { color: var(--muted); font-weight: 400; margin: 0 6px; }
.times s { color: var(--muted); font-weight: 500; }

.info { color: var(--muted); font-size: 0.88rem; }

.badge {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge.ok { color: var(--ok); background: var(--ok-bg); }
.badge.warn { color: var(--warn); background: var(--warn-bg); }
.badge.bad { color: var(--bad); background: var(--bad-bg); }
.badge.none { color: var(--muted); background: var(--bg); }

.risk { display: grid; gap: 6px; }
.risk-head { display: flex; justify-content: space-between; font-size: 0.9rem; gap: 8px; flex-wrap: wrap; }
.risk-head strong { font-variant-numeric: tabular-nums; }
.bar { height: 8px; border-radius: 999px; background: var(--line); overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: inherit; }
.bar .ok { background: var(--ok); }
.bar .warn { background: var(--warn); }
.bar .bad { background: var(--bad); }

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

.foot { padding-top: 26px; padding-bottom: 40px; color: var(--muted); font-size: 0.88rem; }
.foot summary { cursor: pointer; color: var(--text); font-weight: 600; }
.foot details p { margin: 8px 0; }
.meta { margin: 10px 0 0; }

@media (max-width: 420px) {
  .route { grid-template-columns: 1fr; }
  .swap { justify-self: center; transform: rotate(0deg); }
  .times { font-size: 1.2rem; }
}