/* Layout and components. Colours, fonts and shapes come from theme.css. */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 1rem; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--link); text-underline-offset: .15em; }
a:hover { color: var(--link-hover); }
h1, h2, h3 { font-family: var(--font-title); font-weight: var(--title-weight); line-height: 1.15; color: var(--title); margin: 0 0 .6em; letter-spacing: var(--title-spacing, 0); }
h1 { font-size: clamp(1.7rem, 4.5vw, 2.6rem); }
h2 { font-size: clamp(1.3rem, 3vw, 1.7rem); margin-top: 2rem; }
h3 { font-size: 1.1rem; }
.h1-sub { display: block; font-size: .55em; font-weight: 500; opacity: .75; margin-top: .25em; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 0; background: var(--surface); padding: .5rem 1rem; z-index: 100; }
.skip:focus { left: 1rem; }

.wrap { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 16px; }
main { padding-bottom: 3rem; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 46rem; }

/* Header */
.site-header { background: var(--header-bg); color: var(--header-text); border-bottom: var(--header-border); }
.site-header .wrap { display: flex; align-items: center; gap: 1rem; min-height: 64px; flex-wrap: wrap; }
.logo { display: inline-flex; align-items: center; gap: .55rem; color: var(--header-text); text-decoration: none; font-family: var(--font-logo); font-weight: 700; font-size: 1.25rem; letter-spacing: var(--logo-spacing, 0); }
.logo:hover { color: var(--header-text); }
.logo-mark { width: 34px; height: 34px; flex: none; }
.logo b { color: var(--accent); font-weight: inherit; }
.nav-toggle { margin-left: auto; background: none; border: 1px solid currentColor; color: var(--header-text); border-radius: var(--radius-sm); padding: .35rem .7rem; font: inherit; font-size: .9rem; cursor: pointer; }
.site-nav { width: 100%; display: none; }
.site-nav.open { display: block; }
.site-nav ul { list-style: none; margin: 0; padding: 0 0 .8rem; display: flex; flex-direction: column; gap: .1rem; }
.site-nav a { display: block; padding: .5rem 0; color: var(--header-text); text-decoration: none; font-weight: 500; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--accent); }
@media (min-width: 900px) {
    .nav-toggle { display: none; }
    .site-nav { display: block; width: auto; margin-left: auto; }
    .site-nav ul { flex-direction: row; padding: 0; gap: 1.3rem; }
    .site-nav a { padding: .3rem 0; font-size: .95rem; }
}

/* Breadcrumb */
.crumbs { font-size: .85rem; color: var(--muted); padding: .9rem 0 0; }
.crumbs ol { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .3rem; }
.crumbs li + li::before { content: "›"; margin-right: .3rem; }
.crumbs a { color: var(--muted); }

/* Hero */
.hero { padding: 1.6rem 0 1rem; }
.hero h1 { max-width: 22ch; }
.hero-meta { font-size: .9rem; color: var(--muted); }
.pill { display: inline-block; font-size: .78rem; font-weight: 600; padding: .15rem .55rem; border-radius: 99px; background: var(--chip-bg); color: var(--chip-text); vertical-align: middle; }

/* Search */
.search { position: relative; display: flex; gap: .5rem; max-width: 560px; margin: 1rem 0; }
.search input { flex: 1; min-width: 0; font: inherit; padding: .75rem .9rem; border: var(--input-border); border-radius: var(--radius-sm); background: var(--surface); color: var(--text); }
.search button, .btn { font: inherit; font-weight: 600; padding: .75rem 1.1rem; border: 0; border-radius: var(--radius-sm); background: var(--btn-bg); color: var(--btn-text); cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: .4rem; }
.btn:hover, .search button:hover { background: var(--btn-hover); color: var(--btn-text); }
.btn-ghost { background: transparent; color: var(--link); border: var(--input-border); }
.btn-ghost:hover { background: var(--chip-bg); color: var(--link); }
.suggest { position: absolute; top: 100%; left: 0; right: 0; z-index: 20; list-style: none; margin: .25rem 0 0; padding: .3rem 0; background: var(--surface); border: var(--card-border); border-radius: var(--radius-sm); box-shadow: var(--shadow); }
.suggest a { display: block; padding: .5rem .9rem; text-decoration: none; color: var(--text); }
.suggest a:hover, .suggest a.active { background: var(--chip-bg); }

/* Price tiles (averages) */
.tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; margin: 1rem 0; }
@media (min-width: 640px) { .tiles { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .tiles { grid-template-columns: repeat(6, 1fr); } }
.tile { background: var(--tile-bg); color: var(--tile-text); border: var(--tile-border); border-radius: var(--radius); padding: .85rem .9rem; text-decoration: none; display: block; }
a.tile:hover { border-color: var(--accent); color: var(--tile-text); }
.tile-fuel { font-size: .8rem; font-weight: 600; text-transform: var(--fuel-case, none); letter-spacing: .03em; color: var(--tile-label); }
.tile-price { font-family: var(--font-price); font-size: 1.65rem; font-weight: 700; line-height: 1.2; font-variant-numeric: tabular-nums; color: var(--tile-price); }
.tile-price small { font-size: .55em; font-weight: 600; }
.tile-delta { font-size: .8rem; }

.up { color: var(--up); }
.down { color: var(--down); }

/* Cards and grids */
.grid { display: grid; gap: 1rem; }
@media (min-width: 800px) { .grid-2 { grid-template-columns: 1fr 1fr; } .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--surface); border: var(--card-border); border-radius: var(--radius); padding: 1.1rem; box-shadow: var(--card-shadow); }
.card h2, .card h3 { margin-top: 0; }
.section { margin-top: 2.2rem; }

/* Station list */
.stations { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.station { background: var(--surface); border: var(--card-border); border-radius: var(--radius); padding: .8rem .9rem; display: grid; grid-template-columns: 1fr auto; gap: .2rem .8rem; box-shadow: var(--card-shadow); }
.station-name { font-weight: 700; color: var(--title); text-decoration: none; }
.station-name:hover { text-decoration: underline; }
.station-addr { font-size: .85rem; color: var(--muted); grid-column: 1; }
.station-main { grid-row: 1 / span 2; grid-column: 2; text-align: right; align-self: center; }
.station-main .big { font-family: var(--font-price); font-size: 1.35rem; font-weight: 700; color: var(--price); font-variant-numeric: tabular-nums; }
.station-prices { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: .3rem .9rem; font-size: .85rem; margin-top: .2rem; }
.station-prices span b { font-variant-numeric: tabular-nums; }
.station-prices .best b { color: var(--down); }
.station-prices .stale { opacity: .55; }
.badge-best { display: inline-block; font-size: .7rem; font-weight: 700; padding: .05rem .4rem; border-radius: var(--radius-sm); background: var(--best-bg); color: var(--best-text); margin-left: .3rem; vertical-align: middle; }

/* Tables */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: var(--card-border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: .55rem .7rem; text-align: left; border-bottom: 1px solid var(--line); }
th { font-size: .8rem; font-weight: 600; color: var(--muted); background: var(--table-head); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; }
@media (max-width: 480px) { table { font-size: .84rem; } th, td { padding: .5rem .4rem; } }

/* Charts */
.chart-wrap { margin: .5rem 0 0; }
.chart { width: 100%; height: auto; display: block; }
.chart-grid { stroke: var(--line); stroke-width: 1; }
.chart-tick { stroke: var(--line); }
.chart-axis { fill: var(--muted); font-size: 19px; font-family: var(--font-body); }
.chart-line { fill: none; stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.chart-line-1 { stroke: var(--chart-1); fill: var(--chart-1); }
.chart-line-2 { stroke: var(--chart-2); fill: var(--chart-2); }
.chart-line-3 { stroke: var(--chart-3); fill: var(--chart-3); }
polyline.chart-line-1, polyline.chart-line-2, polyline.chart-line-3 { fill: none; }
.chart-line-2 { stroke-dasharray: var(--chart-2-dash, none); }
.chart-legend { list-style: none; display: flex; flex-wrap: wrap; gap: .3rem 1rem; padding: 0; margin: .4rem 0 0; font-size: .85rem; color: var(--muted); }
.chart-key { display: inline-block; width: 18px; height: 4px; border-radius: 2px; margin-right: .4rem; vertical-align: middle; background: currentColor; }
.chart-key.chart-line-1 { background: var(--chart-1); }
.chart-key.chart-line-2 { background: var(--chart-2); }
.chart-key.chart-line-3 { background: var(--chart-3); }
.chart-empty { color: var(--muted); font-style: italic; }
.tabs { display: flex; gap: .4rem; flex-wrap: wrap; margin: .3rem 0 .6rem; }
.tabs button { font: inherit; font-size: .85rem; padding: .3rem .75rem; border-radius: 99px; border: var(--input-border); background: transparent; color: var(--text); cursor: pointer; }
.tabs button[aria-selected="true"] { background: var(--btn-bg); color: var(--btn-text); border-color: transparent; }

/* Map */
.map { height: 380px; border-radius: var(--radius); border: var(--card-border); background: var(--chip-bg); margin: 1rem 0; }
.map-price { background: var(--btn-bg); color: var(--btn-text); font: 700 12px/1 var(--font-body); padding: 4px 6px; border-radius: 6px; white-space: nowrap; box-shadow: 0 1px 3px rgba(0,0,0,.3); text-align: center; }
.map-price.best { background: var(--down); }

/* Links list (towns) */
.links { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: .35rem 1rem; }
.links a { text-decoration: none; }
.links a:hover { text-decoration: underline; }
.links .muted { font-size: .8rem; }

/* Facts */
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: .7rem; margin: 1rem 0; }
.fact { border-left: 3px solid var(--accent); padding: .2rem .8rem; }
.fact b { display: block; font-family: var(--font-price); font-size: 1.3rem; font-variant-numeric: tabular-nums; }
.fact span { font-size: .82rem; color: var(--muted); }

.hours { list-style: none; padding: 0; margin: 0; }
.hours li { display: flex; justify-content: space-between; gap: 1rem; padding: .3rem 0; border-bottom: 1px solid var(--line); font-size: .92rem; }
.tags { display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; padding: 0; margin: 0; }
.tags li { font-size: .8rem; padding: .2rem .55rem; border-radius: 99px; background: var(--chip-bg); color: var(--chip-text); }

.note { font-size: .85rem; color: var(--muted); border-left: 3px solid var(--line); padding-left: .8rem; }
.prose { max-width: 46rem; }
.prose h2 { font-size: 1.3rem; }

/* Ads: reserved height, no layout shift */
.ad-slot { min-height: 280px; margin: 2rem 0; display: flex; align-items: center; justify-content: center; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--muted); font-size: .75rem; letter-spacing: .1em; text-transform: uppercase; }
@media (min-width: 800px) { .ad-slot { min-height: 120px; } }

/* Footer */
.site-footer { background: var(--footer-bg); color: var(--footer-text); padding: 2.5rem 0 2rem; font-size: .9rem; margin-top: 2rem; }
.site-footer a { color: var(--footer-link); }
.footer-cols { display: grid; gap: 1.5rem; }
@media (min-width: 800px) { .footer-cols { grid-template-columns: 2fr 1fr 1fr; } }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: .25rem 0; }
.site-footer .footer-title { font-size: .95rem; color: var(--footer-title); margin: 0 0 .6rem; font-family: var(--font-body); font-weight: 700; }
.credits { border-top: 1px solid var(--footer-line); margin-top: 1.5rem; padding-top: 1rem; font-size: .8rem; }