:root {
  --bg: #ffffff;
  --surface: #f3f4f6;
  --text: #0b0c0e;
  --muted: #4b5058;
  --line: #d6d9de;
  --link: #0b57d0;
  --focus: #0b57d0;

  /* Rating tiles. Text colours give at least 4.5:1 on each fill. */
  --good-bg: #13703a;   --good-fg: #ffffff;   /* 4 and 5 */
  --ok-bg:   #f2b705;   --ok-fg:   #111111;   /* 3 */
  --poor-bg: #b3261e;   --poor-fg: #ffffff;   /* 0, 1, 2 */
  --none-bg: #5f6368;   --none-fg: #ffffff;   /* awaiting, exempt */
  --r5-bg: #0d5e2e;     --r5-fg: #ffffff;     /* 7.9:1 */
  --r4-bg: #6cc070;     --r4-fg: #111111;     /* 8.5:1 */
  --r2-bg: #e8665a;     --r2-fg: #111111;     /* 5.8:1 */
  --r1-bg: #c62828;     --r1-fg: #ffffff;     /* 5.6:1 */
  --r0-bg: #7f1610;     --r0-fg: #ffffff;     /* 10.4:1 */

  --radius: 10px;
  --gutter: 16px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --surface: #1d1f23;
    --text: #f4f5f7;
    --muted: #b4b9c1;
    --line: #34373d;
    --link: #8ab4f8;
    --focus: #8ab4f8;
    --none-bg: #70757a;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 17px;
  line-height: 1.45;
  padding-bottom: env(safe-area-inset-bottom);
}
a { color: var(--link); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }

/* Header */
.bar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(env(safe-area-inset-top) + 8px) var(--gutter) 8px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.wordmark {
  font-weight: 800; font-size: 20px; letter-spacing: -0.02em;
  color: var(--text); text-decoration: none;
}
.wordmark span { font-weight: 500; }
.bar-start { display: flex; align-items: center; gap: 4px; min-width: 0; }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; margin-right: -10px;
  color: var(--text); border-radius: 8px;
}
.text-btn {
  display: inline-flex; align-items: center; min-height: 44px; padding: 0 2px;
  font-weight: 600; font-size: 17px; color: var(--link); text-decoration: none;
}
.back-btn {
  width: auto; margin: 0 4px 0 -10px; padding: 0 8px 0 2px;
  font: inherit; font-size: 17px; font-weight: 600;
  background: none; border: 0; cursor: pointer;
}
.back-btn:not([hidden]) + .wordmark { display: none; }
@media (min-width: 420px) { .back-btn:not([hidden]) + .wordmark { display: inline; } }

main { max-width: 640px; margin: 0 auto; padding: 0 var(--gutter) 32px; }
h1 { font-size: 26px; margin: 20px 0 12px; }
h2 { font-size: 19px; margin: 0 0 8px; }

/* Search */
.search { display: flex; gap: 8px; margin: 14px 0 6px; }
.search input {
  flex: 1; min-width: 0;
  font: inherit; padding: 10px 12px; height: 46px;
  color: var(--text); background: var(--surface);
  border: 1px solid var(--line); border-radius: var(--radius);
}
.btn {
  font: inherit; font-weight: 600; height: 46px; padding: 0 16px;
  color: var(--bg); background: var(--text);
  border: 0; border-radius: var(--radius); cursor: pointer;
}
.btn.secondary { color: var(--text); background: var(--surface); border: 1px solid var(--line); }
.link-btn {
  font: inherit; font-size: 15px; font-weight: 600;
  background: none; border: 0; padding: 8px 0; color: var(--link); cursor: pointer;
  white-space: nowrap;
}

.status-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 44px; }
.status-line { margin: 4px 0 0; }
.status-row .link-btn { margin-left: auto; }

/* List | Map switch */
.toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; padding: 2px; background: var(--surface); }
.toggle button {
  font: inherit; font-size: 15px; font-weight: 600; min-width: 64px; height: 34px; padding: 0 14px;
  color: var(--muted); background: none; border: 0; border-radius: 7px; cursor: pointer;
}
.toggle button[aria-pressed="true"] { color: var(--bg); background: var(--text); }

/* Add to home screen tip */
.install-tip {
  display: flex; align-items: center; gap: 10px;
  margin: 4px 0 8px; padding: 10px 6px 10px 12px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.install-tip p { flex: 1; margin: 0; font-size: 15px; line-height: 1.35; }
.install-tip .btn { height: 38px; padding: 0 14px; font-size: 15px; }
.install-tip svg { vertical-align: -3px; }
.install-close {
  flex: none; width: 36px; height: 36px; font-size: 24px; line-height: 1;
  color: var(--muted); background: none; border: 0; cursor: pointer;
}

/* Map */
.map-wrap { position: relative; }
.map {
  height: 60vh; min-height: 280px; border-radius: var(--radius);
  border: 1px solid var(--line); background: var(--surface); z-index: 0;
}
.search-area {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%); z-index: 1001;
  height: 40px; padding: 0 18px; border-radius: 20px;
  font: inherit; font-size: 15px; font-weight: 700; white-space: nowrap;
  color: var(--bg); background: var(--text); border: 0; cursor: pointer;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
.map-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 40px; font-size: 14px; color: var(--muted); }
.map-card {
  position: absolute; left: 8px; right: 8px; bottom: 48px; z-index: 1001;
  max-height: 55%; overflow: auto; padding: 0 12px;
  background: var(--bg); color: var(--text);
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
}
.map-card .list li:last-child { border-bottom: 0; }
.map-card-close {
  position: sticky; top: 0; float: right; z-index: 1;
  width: 40px; height: 40px; margin-right: -8px;
  font-size: 26px; line-height: 1; color: var(--muted); background: none; border: 0; cursor: pointer;
}
.pin-icon { background: none; border: 0; }
.pin {
  position: relative; display: flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 8px;
  font-weight: 800; font-size: 19px; line-height: 1;
  border: 2px solid #ffffff; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
}
.pin.good { background: var(--good-bg); color: var(--good-fg); }
.pin.ok   { background: var(--ok-bg);   color: var(--ok-fg); }
.pin.poor { background: var(--poor-bg); color: var(--poor-fg); }
.pin.none { background: var(--none-bg); color: var(--none-fg); font-size: 13px; }
.pin.r5 { background: var(--r5-bg); color: var(--r5-fg); }
.pin.r4 { background: var(--r4-bg); color: var(--r4-fg); }
.pin.r2 { background: var(--r2-bg); color: var(--r2-fg); }
.pin.r1 { background: var(--r1-bg); color: var(--r1-fg); }
.pin.r0 { background: var(--r0-bg); color: var(--r0-fg); }
.pin.fhis-pass    { background: #1d4f7a; color: #ffffff; }
.pin.fhis-improve { background: #8a4510; color: #ffffff; }
.pin.active { outline: 3px solid var(--focus); outline-offset: 1px; }
.pin .count {
  position: absolute; top: -9px; right: -11px; min-width: 20px; height: 20px; padding: 0 5px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #ffffff; background: #1f2328;
  border: 2px solid #ffffff; border-radius: 10px;
}
.leaflet-container { font: inherit; }
.leaflet-control-attribution { font-size: 11px; }
.status { margin: 0; color: var(--muted); font-size: 15px; }
.center { text-align: center; padding: 16px 0; }
.notice {
  margin: 4px 0 8px; padding: 10px 12px; font-size: 15px;
  background: var(--surface); border-left: 4px solid var(--muted); border-radius: 6px;
}

/* List */
.list { list-style: none; margin: 0; padding: 0; }
.list li { border-bottom: 1px solid var(--line); }
.row-link {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 0; color: inherit; text-decoration: none;
}
.row-main { flex: 1; min-width: 0; }
.row-name {
  font-weight: 650; font-size: 18px; line-height: 1.25;
  overflow: hidden; text-overflow: ellipsis;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.row-meta { color: var(--muted); font-size: 15px; margin-top: 2px; }
.row-dist { font-weight: 700; font-size: 16px; white-space: nowrap; align-self: center; }
.sentinel { height: 1px; }

/* Rating tile: the hero. Number first, label second. */
.tile {
  flex: none;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  width: 76px; min-height: 76px; padding: 6px 4px;
  border-radius: var(--radius); text-align: center;
}
.tile .num { font-size: 44px; font-weight: 800; line-height: 1; letter-spacing: -0.02em; }
.tile .num small { font-size: 15px; font-weight: 700; opacity: 0.9; }
.tile .word { font-size: 15px; font-weight: 800; line-height: 1.1; }
.tile .label { font-size: 11px; font-weight: 600; line-height: 1.15; margin-top: 4px; }
.tile.good { background: var(--good-bg); color: var(--good-fg); }
.tile.ok   { background: var(--ok-bg);   color: var(--ok-fg); }
.tile.poor { background: var(--poor-bg); color: var(--poor-fg); }
.tile.none { background: var(--none-bg); color: var(--none-fg); }
/* Shades within each band: strongest at the ends, softer towards the middle. */
.tile.r5 { background: var(--r5-bg); color: var(--r5-fg); }
.tile.r4 { background: var(--r4-bg); color: var(--r4-fg); }
.tile.r2 { background: var(--r2-bg); color: var(--r2-fg); }
.tile.r1 { background: var(--r1-bg); color: var(--r1-fg); }
.tile.r0 { background: var(--r0-bg); color: var(--r0-fg); }
/* Scotland (FHIS): Pass / Improvement required, a different scale with its own colours. */
.tile.fhis-pass    { background: #1d4f7a; color: #ffffff; }   /* 8.6:1 */
.tile.fhis-improve { background: #8a4510; color: #ffffff; }   /* 7.1:1 */
@media (prefers-color-scheme: dark) {
  .tile { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28); }
}
.tile-date { display: block; font-size: 12px; color: var(--muted); text-align: center; margin-top: 3px; }
.tile-wrap { flex: none; width: 76px; }

/* Detail */
.back { display: inline-block; margin: 14px 0 4px; font-weight: 600; text-decoration: none; padding: 6px 0; }
.detail-hero { display: flex; gap: 18px; align-items: center; margin: 10px 0 18px; }
.detail-hero .tile { width: 130px; min-height: 130px; }
.detail-hero .tile .num { font-size: 84px; }
.detail-hero .tile .word { font-size: 24px; }
.detail-hero .tile .label { font-size: 13px; }
.detail-label { font-size: 22px; font-weight: 750; line-height: 1.2; }
.detail-date { color: var(--muted); margin-top: 4px; }
.detail h1 { margin: 0 0 4px; font-size: 24px; line-height: 1.2; }
.detail .type { color: var(--muted); margin: 0 0 16px; }

dl.facts { margin: 0 0 18px; }
dl.facts dt { font-size: 14px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; margin-top: 14px; }
dl.facts dd { margin: 2px 0 0; }

.scores { list-style: none; padding: 0; margin: 0 0 18px; border-top: 1px solid var(--line); }
.scores li { border-bottom: 1px solid var(--line); }
/* Area name, with the result underneath, and the chevron on the right */
.scores summary {
  display: grid; grid-template-columns: 1fr auto; column-gap: 10px; padding: 12px 0;
  cursor: pointer; list-style: none;
}
.scores summary::after { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
.scores summary::-webkit-details-marker, .finding-note summary::-webkit-details-marker { display: none; }
.scores .area { font-weight: 600; }
.scores .verdict { grid-column: 1; color: var(--muted); }
/* Small chevron after each finding, turning when opened (same idea as the Settings sections) */
.scores summary::after, .finding-note summary::after {
  content: ''; flex: none; width: 8px; height: 8px; margin: 6px 2px 0 4px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
}
.scores details[open] summary::after, .finding-note[open] summary::after { transform: rotate(-135deg); margin-top: 10px; }
.scores details p { margin: -4px 0 12px; font-size: 15px; color: var(--muted); }
.finding-note { margin: -6px 0 18px; padding: 0 12px; background: var(--surface); border-radius: var(--radius); }
.finding-note summary { display: flex; align-items: center; justify-content: space-between; min-height: 46px; cursor: pointer; list-style: none; font-weight: 600; }
.finding-note p { margin: 0 0 12px; font-size: 15px; }

.actions { display: flex; flex-direction: column; gap: 10px; margin: 18px 0; }
.actions .btn { display: flex; align-items: center; justify-content: center; text-decoration: none; }
.small { font-size: 14px; color: var(--muted); }

/* Welcome */
.welcome h1 { font-size: 28px; line-height: 1.2; margin: 24px 0 16px; }
.welcome h2 { margin-top: 24px; }
.scale { display: flex; gap: 6px; margin: 0 0 16px; }
.scale .tile { width: auto; flex: 1; min-height: 0; aspect-ratio: 1; padding: 0; }
.scale .tile .num { font-size: 28px; }
.or { text-align: center; color: var(--muted); margin: 8px 0; }
.btn.wide { width: 100%; }
.welcome .small { margin: 12px 0 0; }

/* Rating history on the detail page */
.history { list-style: none; padding: 0; margin: 0 0 8px; border-top: 1px solid var(--line); }
.history li { display: flex; align-items: center; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.tile-sm { width: 52px; }
.tile-sm .tile { width: 52px; min-height: 52px; padding: 0; }
.tile-sm .tile .num { font-size: 28px; }
.tile-sm .tile .word { font-size: 10.5px; letter-spacing: -0.01em; }
.tile-sm .tile .label { display: none; }   /* the label is shown beside the small tile */
.history-date { color: var(--muted); font-size: 15px; }

/* Settings */
.row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.row input { width: 22px; height: 22px; flex: none; accent-color: var(--text); }
/* Collapsible information sections in Settings */
.fold { border-top: 1px solid var(--line); }
.fold:last-of-type { border-bottom: 1px solid var(--line); }
.fold summary {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  min-height: 54px; cursor: pointer; list-style: none;
  font-weight: 700; font-size: 19px;
}
.fold summary::-webkit-details-marker { display: none; }
.fold summary::after {
  content: ''; flex: none; width: 10px; height: 10px; margin-right: 6px;
  border-right: 2.5px solid var(--muted); border-bottom: 2.5px solid var(--muted);
  transform: rotate(45deg) translate(-2px, -2px);
}
.fold[open] summary::after { transform: rotate(-135deg) translate(-2px, -2px); }
.fold-body { padding: 0 0 18px; }
.fold-value { margin-left: auto; font-size: 16px; font-weight: 600; color: var(--muted); text-align: right; }
.fold-body p { margin: 0 0 12px; }
.key-label { font-size: 13px; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); margin: 10px 0 6px !important; }
/* Rows of short items: bold lead-in, one sentence below, thin dividers (no bullets) */
.info-rows { margin: 0 0 12px; border-top: 1px solid var(--line); }
.info-rows p { margin: 0 !important; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
.info-rows strong { display: block; margin-bottom: 2px; }
.independent { margin: 20px 0 0; font-size: 14px; color: var(--muted); }

/* Scotland key: same tile size as the 0-5 row, with words instead of numbers */
.scale-scot { align-items: center; }
/* Each Scottish tile spans two columns of the 0-5 row: room for the word, and visibly a different kind of rating. */
.scale-scot .tile { flex: none; width: calc((100% - 30px) / 6 * 2 + 6px); aspect-ratio: 2.12 / 1; }
.scale-scot .tile .word { font-size: 17px; }
.scot-label { flex: none; width: calc((100% - 30px) / 6 * 2 + 6px); font-size: 14px; font-weight: 700; color: var(--muted); }
.type-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 6px; }
.chip {
  font: inherit; font-size: 15px; font-weight: 600; height: 36px; padding: 0 14px;
  color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 18px; cursor: pointer;
}
.tip { margin: 28px 0 8px; text-align: center; color: var(--muted); font-size: 15px; }
.tip p { margin: 0 0 10px; }
.tip-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 26px; border-radius: 25px;
  font-size: 18px; font-weight: 700; text-decoration: none;
  color: var(--text); background: var(--surface); border: 1.5px solid var(--line);
}
.tip-btn:hover { border-color: var(--muted); }

/* Higher-rated places nearby (detail page) */
.better { margin: 18px 0 8px; padding: 14px 14px 4px; border: 1px solid var(--line); border-left: 5px solid var(--good-bg);
  border-radius: 12px; background: var(--surface); }
@supports (background: color-mix(in srgb, red 10%, white)) {
  .better { background: color-mix(in srgb, var(--good-bg) 7%, var(--surface)); }
}
.better h2 { margin: 0 0 10px; }
.better .small { margin: 0 0 8px; }
.better-choice { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0 0 10px; }
.better-choice-label { font-size: 14px; font-weight: 600; }
.better-choice .toggle { background: var(--bg); }
.better-list { margin: 0; border-top: 1px solid var(--line); }
.better-list li:last-child .row-link { border-bottom: 0; }