:root {
  color-scheme: light;
  --bg: #f5f6f8; --card: #ffffff; --text: #16181d; --muted: #666c78; --border: #e1e4ea;
  --walk: #1f8a4c; --run: #d4462b; --wait: #b7791f; --accent: #2457d6;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #111317; --card: #1b1e24; --text: #eef0f4; --muted: #9aa1ad; --border: #2c3038;
    --walk: #3cc47a; --run: #ff6b4f; --wait: #f0b443; --accent: #7aa2ff;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111317; --card: #1b1e24; --text: #eef0f4; --muted: #9aa1ad; --border: #2c3038;
  --walk: #3cc47a; --run: #ff6b4f; --wait: #f0b443; --accent: #7aa2ff;
}
* { 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; }
main { max-width: 560px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.4rem; margin: 0; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
button.theme { background: var(--card); color: var(--text); border: 1px solid var(--border); padding: 6px 12px; font-size: 0.85rem; white-space: nowrap; }
h2 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 0 0 8px; }
.sub, .muted { color: var(--muted); margin: 4px 0 0; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px; margin-top: 14px; }
.verdict .word { font-size: 3rem; font-weight: 800; line-height: 1; margin: 0; letter-spacing: 0.02em; }
.verdict.walk .word { color: var(--walk); }
.verdict.run .word { color: var(--run); }
.verdict.wait .word { color: var(--wait); }
.verdict .bus { font-size: 1.25rem; font-weight: 700; margin: 10px 0 2px; }
.verdict .advice { font-weight: 600; margin: 10px 0 0; }
.facts { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 8px 0 0; color: var(--muted); }
ol { margin: 0; padding-left: 1.2rem; }
li { padding: 6px 0; border-bottom: 1px solid var(--border); }
li:last-child { border-bottom: 0; }
a { color: var(--accent); }
.weather-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(90px, 1fr)); gap: 10px; margin: 0; }
.weather-grid dt { font-size: 0.75rem; color: var(--muted); }
.weather-grid dd { margin: 0; font-weight: 600; }
.row { display: flex; gap: 8px; margin-top: 8px; }
input { flex: 1; min-width: 0; font: inherit; padding: 10px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); }
button { font: inherit; padding: 10px 16px; border-radius: 10px; border: 0; background: var(--accent); color: #fff; cursor: pointer; }
button.link { background: none; color: var(--accent); padding: 0; text-decoration: underline; }
.error { color: var(--run); margin: 8px 0 0; }
footer { margin: 18px 0 32px; font-size: 0.85rem; }
footer p { margin: 4px 0; }