/* Design tokens. Modern, sleek, one confident accent, generous whitespace,
   two type weights. Dark + light via [data-theme]. Metric units throughout. */
:root {
  --accent: #5b8cff;
  --accent-soft: rgba(91, 140, 255, 0.15);

  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #eef1f5;
  --text: #16191f;
  --text-dim: #5d6470;
  --border: #e2e6ec;
  --charge: #2bb673;
  --break: #f0a93b;
  --shadow: 0 1px 2px rgba(16, 25, 40, 0.06), 0 8px 24px rgba(16, 25, 40, 0.06);

  --radius: 14px;
  --gap: 16px;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
[data-theme="dark"] {
  --bg: #0d0f14;
  --surface: #161a22;
  --surface-2: #1d222c;
  --text: #eef1f6;
  --text-dim: #99a1b0;
  --border: #262c38;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s ease, color 0.25s ease;
}

/* ---- Top bar ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.brand { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
.ghost-btn {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  border-radius: 10px;
  width: 38px; height: 38px;
  font-size: 1.1rem;
  cursor: pointer;
}
.ghost-btn:hover { border-color: var(--accent); }

/* ---- Layout ---- */
.layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--gap);
  padding: var(--gap);
  align-items: start;
}
@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  position: sticky;
  top: var(--gap);
}
.panel__title { margin: 0 0 4px; font-size: 1.05rem; }
.panel__hint { margin: 0 0 18px; color: var(--text-dim); font-size: 0.85rem; }

/* ---- Sliders ---- */
.slider { display: block; margin-bottom: 18px; }
.slider__head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.slider__label { font-size: 0.85rem; color: var(--text-dim); }
.slider__value { font-weight: 600; font-variant-numeric: tabular-nums; }
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 6px; border-radius: 999px;
  background: var(--surface-2); outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--surface);
  box-shadow: var(--shadow);
}
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--surface);
}

/* ---- Journey ---- */
.journey { min-width: 0; }
.journey__header { margin: 4px 0 14px; font-size: 1.6rem; letter-spacing: -0.02em; }
.status { color: var(--break); min-height: 1em; font-size: 0.85rem; }

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: var(--gap);
}
@media (max-width: 560px) { .cards { grid-template-columns: repeat(2, 1fr); } }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  display: flex; flex-direction: column; gap: 2px;
}
.card__label { font-size: 0.75rem; color: var(--text-dim); }
.card__value { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
.card__sub { font-size: 0.75rem; color: var(--text-dim); }

.map {
  height: 360px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: var(--gap);
}

/* ---- Map markers ---- */
.mapmarker {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid #fff; box-shadow: 0 0 0 2px rgba(0,0,0,0.15);
}
.mapmarker--start { background: var(--text); }
.mapmarker--end { background: var(--accent); }
.mapmarker--charge { background: var(--charge); }
.mapmarker--break { background: var(--break); }

/* ---- Timeline rail ---- */
.rail {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.rail__endpoint { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.rail__endpoint .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); }
.rail__endpoint--start .dot { background: var(--text); }
.rail__place { flex: 1; }
.rail__time { color: var(--text-dim); font-variant-numeric: tabular-nums; }

.rail__leg { display: flex; align-items: center; gap: 12px; padding: 4px 0 4px 5px; margin-left: 0; }
.rail__legline { width: 2px; align-self: stretch; min-height: 26px; background: var(--border); margin-left: 5px; }
.rail__legmeta { color: var(--text-dim); font-size: 0.85rem; }

.rail__stop {
  border-left: 3px solid var(--charge);
  background: var(--surface-2);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 8px 0 8px 14px;
}
.rail__stop--break { border-left-color: var(--break); }
.rail__stophead { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.rail__stopname { font-weight: 600; }
.rail__window { color: var(--text-dim); font-variant-numeric: tabular-nums; font-size: 0.85rem; }
.rail__stopdetail { color: var(--text-dim); font-size: 0.85rem; margin-top: 2px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  font-size: 0.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 10px;
  color: var(--text);
}