:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #5f6b7a;
  --border: #dde2e8;
  --accent: #0b6bcb;
  --cheap: #1a9e5c;
  --mid: #e0a106;
  --pricey: #d64532;
  --stale: #8a94a3;
  --none: #c4cad3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --surface: #1b2129;
    --text: #e6eaf0;
    --muted: #9aa6b5;
    --border: #2c3440;
    --accent: #4fa3ff;
    --none: #4a5260;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font: 14px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); }

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: end;
}
.topbar h1 { font-size: 18px; margin: 0 0 6px; white-space: nowrap; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; flex: 1; }
.field { display: flex; flex-direction: column; gap: 2px; font-size: 12px; color: var(--muted); }
.field.grow { flex: 1; min-width: 200px; }
select, input, .btn {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 10px;
  min-height: 36px;
}
.btn { background: var(--accent); color: #fff; border-color: transparent; cursor: pointer; white-space: nowrap; }
.btn.active { outline: 2px solid var(--accent); outline-offset: 2px; }

.banner { background: #fff4d6; color: #6b4e00; padding: 8px 16px; border-bottom: 1px solid #f0d58a; }
@media (prefers-color-scheme: dark) { .banner { background: #3a2f10; color: #f3d98b; border-color: #5a4a1a; } }

.layout { flex: 1; display: grid; grid-template-columns: 400px 1fr; min-height: 0; }
.panel { display: flex; flex-direction: column; min-height: 0; border-right: 1px solid var(--border); background: var(--surface); }
.map { min-height: 300px; }

.summary { padding: 12px 16px 4px; font-size: 13px; }
.summary strong { font-size: 15px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 4px 16px 8px; font-size: 12px; color: var(--muted); }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; vertical-align: -1px; }
.dot.cheap { background: var(--cheap); }
.dot.mid { background: var(--mid); }
.dot.pricey { background: var(--pricey); }
.dot.stale { background: transparent; border: 2px solid var(--stale); }
.dot.none { background: var(--none); }

.sortbar { padding: 0 16px 8px; font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; border-bottom: 1px solid var(--border); }
.chip { font: inherit; border: 1px solid var(--border); background: var(--bg); color: var(--text); border-radius: 999px; padding: 3px 10px; cursor: pointer; }
.chip.active { background: var(--accent); color: #fff; border-color: transparent; }
.chip:disabled { opacity: .5; cursor: not-allowed; }

.list { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.item { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding: 10px 16px; border-bottom: 1px solid var(--border); cursor: pointer; }
.item:hover, .item.selected { background: var(--bg); }
.item .name { font-weight: 600; }
.item .addr, .item .when { color: var(--muted); font-size: 12px; }
.item .price { font-size: 18px; font-weight: 700; text-align: right; font-variant-numeric: tabular-nums; }
.item .tag { justify-self: end; font-size: 11px; padding: 1px 8px; border-radius: 999px; }
.tag.ok { background: color-mix(in srgb, var(--cheap) 18%, transparent); color: var(--cheap); }
.tag.stale { background: color-mix(in srgb, var(--stale) 22%, transparent); color: var(--muted); }
.tag.none { background: color-mix(in srgb, var(--pricey) 15%, transparent); color: var(--pricey); }
.item.none .price, .item.stale .price { color: var(--muted); }
.empty { padding: 24px 16px; color: var(--muted); }

.popup h3 { margin: 0 0 2px; font-size: 14px; }
.popup .sub { color: #5f6b7a; font-size: 12px; margin-bottom: 6px; }
.popup table { border-collapse: collapse; width: 100%; font-size: 12px; }
.popup td { padding: 2px 4px; border-top: 1px solid #eee; }
.popup td.p { text-align: right; font-weight: 600; font-variant-numeric: tabular-nums; }
.popup tr.old td { color: #999; }

.foot { padding: 6px 16px; font-size: 12px; color: var(--muted); background: var(--surface); border-top: 1px solid var(--border); }

@media (max-width: 800px) {
  html, body { height: auto; }
  .layout { flex: none; grid-template-columns: 1fr; grid-template-rows: 45vh auto; }
  .map { order: -1; }
  .panel { border-right: 0; }
  .list { overflow: visible; }
  .field.grow { min-width: 100%; }
}

/* --- grafici --- */
:root { --series-1: #2a78d6; --series-2: #eb6834; --grid: #e6e9ed; }
@media (prefers-color-scheme: dark) { :root { --series-1: #3987e5; --series-2: #d95926; --grid: #2a313b; } }
.chart { position: relative; }
.chart-box { position: relative; }
.chart svg { display: block; max-width: 100%; height: auto; touch-action: pan-y; }
.chart .grid { stroke: var(--grid); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 10px; font-variant-numeric: tabular-nums; }
.chart .end { fill: var(--text); font-size: 10px; font-weight: 600; font-variant-numeric: tabular-nums; }
.chart .cross { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; }
.chart-legend { display: flex; gap: 12px; font-size: 11px; color: var(--muted); margin: 2px 0 4px; }
.chart-legend i, .chart-tip i { display: inline-block; width: 10px; height: 3px; border-radius: 2px; margin-right: 4px; vertical-align: 3px; }
.chart-tip {
  position: absolute; top: 0; pointer-events: none; white-space: nowrap;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 8px; font-size: 11px; box-shadow: 0 2px 8px rgb(0 0 0 / .15);
}
.chart-empty { color: var(--muted); font-size: 12px; margin: 6px 0; }

.trend { border-bottom: 1px solid var(--border); padding: 8px 16px; }
.trend summary { cursor: pointer; font-weight: 600; font-size: 13px; }
.trend-head { display: flex; gap: 8px; align-items: center; margin: 6px 0; flex-wrap: wrap; }
.trend-head select { min-height: 30px; padding: 3px 8px; }
.trend-info { font-size: 12px; color: var(--muted); }
.trend-info b { color: var(--text); }
.note { font-size: 11px; color: var(--muted); margin: 4px 0 0; }

/* --- preferiti --- */
.star {
  font: inherit; font-size: 18px; line-height: 1; background: none; border: 0; cursor: pointer;
  color: var(--muted); padding: 4px; min-width: 32px; min-height: 32px;
}
.star[aria-pressed="true"] { color: #e0a106; }
.item { grid-template-columns: auto 1fr auto; }
.popup .hist { margin-top: 8px; }
.popup .hist h4 { margin: 0 0 2px; font-size: 12px; }
.popup .head { display: flex; justify-content: space-between; align-items: start; gap: 6px; }
.leaflet-popup-content { --surface: #fff; --text: #1c2430; --muted: #5f6b7a; --border: #dde2e8; --grid: #eceff2; --series-1: #2a78d6; --series-2: #eb6834; }

/* --- disponibilità benzina/gasolio --- */
.avail { display: inline-flex; gap: 6px; margin-top: 3px; flex-wrap: wrap; }
.av { font-size: 11px; padding: 1px 7px; border-radius: 999px; border: 1px solid transparent; white-space: nowrap; }
.av.ok { background: color-mix(in srgb, var(--cheap) 15%, transparent); color: var(--cheap); }
.av.stale { background: color-mix(in srgb, var(--stale) 18%, transparent); color: var(--muted); }
.av.none { background: color-mix(in srgb, var(--pricey) 12%, transparent); color: var(--pricey); }
.combos { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.combos .chip b { font-variant-numeric: tabular-nums; }
.popup-avail { margin: 4px 0; }
.popup .av.ok { color: #13804a; }
.popup .av.none { color: #b83a2a; }

/* --- banner cookie --- */
.cookie-banner {
  position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 2000; max-width: 640px; margin: 0 auto;
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: 0 8px 30px rgb(0 0 0 / .2); padding: 14px 16px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap;
}
.cookie-banner p { flex: 1 1 280px; margin: 0; font-size: 13px; }
.cookie-actions { display: flex; gap: 8px; }
.cookie-actions button { font: inherit; font-weight: 600; border-radius: 8px; padding: 8px 16px; min-height: 36px; cursor: pointer; border: 1px solid var(--border); background: var(--bg); color: var(--text); }
.cookie-actions .cookie-yes { background: var(--accent); color: #fff; border-color: transparent; }