:root { color-scheme: dark; --bg: #151719; --text: #f0f2f3; --muted: #b6bec3; --field: #202427; --border: #485055; --link: #78dbea; --accent: #f2b84b; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; background: var(--bg); color: var(--text); font: 16px/1.55 system-ui, sans-serif; letter-spacing: 0; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.site-header { position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid var(--border); background: var(--bg); padding: 10px 24px; }
.network-rail { max-width: 1299px; margin: auto; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 20px; }
.rail-brand img { display: block; object-fit: contain; width: 200px; height: 50px; max-width: 100%; }
.network-controls { display: flex; align-items: center; justify-content: flex-end; min-width: 76px; }
main { width: 100%; max-width: 960px; flex: 1; padding: 40px 24px 64px; margin: 0 auto; }
h1 { margin: 0 0 24px; font-size: 32px; line-height: 1.25; }
h2 { margin: 0; font-size: 20px; }
h3 { margin: 0; font-size: 21px; line-height: 1.4; }
h1, h2, h3, p, a { overflow-wrap: anywhere; }
.search-form { position: relative; }
.search-bar { display: grid; grid-template-columns: minmax(0, 1fr) auto 140px; gap: 10px; }
.search-form input, .search-form select, .search-form button { font: inherit; border-radius: 6px; min-height: 48px; }
.search-form input, .search-form select { width: 100%; min-width: 0; border: 1px solid var(--border); background: var(--field); color: var(--text); padding: 10px 12px; }
.search-form button { border: 1px solid var(--accent); background: var(--accent); color: #171717; padding: 10px 24px; font-weight: 700; cursor: pointer; }
.search-form button:hover { filter: brightness(1.08); }
summary { cursor: pointer; width: fit-content; min-height: 44px; padding: 10px 0; }
.filters { margin-top: 10px; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.filters > summary { position: absolute; top: 0; right: 0; width: 140px; height: 48px; padding: 12px 8px; font-size: 14px; white-space: nowrap; }
.filter-fields { display: grid; grid-template-columns: minmax(160px, 2fr) repeat(4, minmax(110px, 1fr)); gap: 14px; margin: 8px 0 16px; }
.filter-fields label { display: grid; gap: 6px; min-width: 0; font-size: 14px; }
.filter-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; padding-bottom: 8px; }
.results { margin-top: 28px; }
.query-context { margin: 6px 0 20px; color: var(--muted); }
.notice { border-left: 3px solid var(--accent); padding: 12px 16px; background: var(--field); }
.result-list { list-style: none; padding: 0; margin: 20px 0 0; }
.result-list li { border-top: 1px solid var(--border); padding: 22px 0; max-width: 780px; }
.result-list h3 a { text-decoration: none; }
.result-list h3 a:hover { text-decoration: underline; }
.result-list p { margin: 8px 0 0; }
.result-list .result-url { color: var(--muted); font-size: 13px; }
.match-reasons { margin-top: 8px; font-size: 14px; }
.site-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; padding: 20px 24px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; }
.site-footer p { margin: 0; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link:focus { display: block; padding: 12px; background: var(--field); }
@media (max-width: 900px) { .filter-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .site-header { padding: 10px 16px; } .network-rail { gap: 16px; } .rail-brand img { width: 160px; height: 40px; } }
@media (max-width: 480px) { main { padding: 28px 20px 48px; } h1 { font-size: 28px; } .search-bar { grid-template-columns: minmax(0, 1fr) 140px; } .search-bar > input { grid-column: 1 / -1; } .search-bar > button { grid-column: 1; grid-row: 2; } .filters > summary { top: 58px; } .filter-fields { grid-template-columns: minmax(0, 1fr); } .site-footer { padding: 20px; } }
@media (prefers-color-scheme: light) { :root { color-scheme: light; --bg: #ffffff; --text: #202427; --muted: #526068; --field: #f5f7f8; --border: #a8b3ba; --link: #006576; } }