static/styles.css

/* Petrol Map — styles. Loaded by index.html (served from /styles.css). */

html, body { height: 100%; margin: 0; font-family: -apple-system, "Segoe UI", Roboto, sans-serif; }
#map { position: absolute; inset: 0; height: 100vh; height: 100dvh; width: 100%; }

/* Visually hidden, but available to screen readers and search-engine crawlers */
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* Title banner */
.banner {
  position: absolute; left: 50%; transform: translateX(-50%);
  top: calc(8px + env(safe-area-inset-top));
  z-index: 1000; background: rgba(255,255,255,.93); padding: 8px 18px;
  border-radius: 10px; box-shadow: 0 1px 8px rgba(0,0,0,.25); text-align: center;
  max-width: 92vw; box-sizing: border-box;
}
.banner h1 { font-size: 15px; font-weight: 600; margin: 0; display: inline; }
.banner small { display: block; color: #666; font-size: 11px; margin-top: 2px; }

/* Right-hand panel: search + fuel selector + legend */
.panel {
  background: rgba(255,255,255,.96); border-radius: 8px;
  box-shadow: 0 1px 6px rgba(0,0,0,.3); font-size: 13px; line-height: 1.5; min-width: 150px;
}
.panel-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; font-weight: 600; cursor: pointer; user-select: none;
}
.p-caret, #route-caret { color: #666; }
.panel-body { padding: 0 12px 10px; }
.panel.collapsed .panel-body { display: none; }
.panel h4 { margin: 8px 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: #555; }
.panel-body h4:first-child { margin-top: 2px; }
.panel label { display: block; cursor: pointer; }
.panel input[type=radio] { vertical-align: middle; margin-right: 6px; }
.panel .count { color: #6b7280; font-size: 11px; }
.panel .hint { color: #6b7280; font-size: 11px; margin-top: 3px; }

.search-row { display: flex; gap: 4px; }
.search-row input[type=text] {
  flex: 1; min-width: 0; padding: 5px 7px; font-size: 13px;
  border: 1px solid #ccc; border-radius: 6px; box-sizing: border-box;
}

.btn {
  border: 1px solid #ccc; background: #f4f4f4; border-radius: 6px;
  padding: 4px 8px; font-size: 12px; cursor: pointer; color: #333;
}
.btn:hover { background: #eaeaea; }

/* Visible keyboard focus (only for keyboard users, not mouse clicks) */
:focus-visible { outline: 2px solid #1a73e8; outline-offset: 2px; }
.panel-head:focus-visible, .route-head:focus-visible, .cl-item:focus-visible {
  outline: 2px solid #1a73e8; outline-offset: -2px; border-radius: 6px;
}

.route-status { margin-top: 6px; font-size: 12px; color: #333; }
.route-status .cheapest { color: #1a7a40; font-weight: 600; }

/* Alternative-route comparison (fastest / other motorway / toll-free) */
.route-options { margin: 4px 0; }
.ro-item {
  display: flex; align-items: center; gap: 8px; padding: 5px 4px;
  border-radius: 6px; cursor: pointer;
}
.ro-item:hover, .ro-item.active { background: #e8f0fe; }
.ro-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; box-shadow: 0 0 0 1px rgba(0,0,0,.2); }
.ro-text { line-height: 1.2; }
.ro-text small { display: block; color: #6b7280; font-size: 11px; }

/* Itinerary control (top-left) */
.route-box {
  background: rgba(255,255,255,.96); border-radius: 8px; width: 232px;
  box-shadow: 0 1px 6px rgba(0,0,0,.3); font-size: 13px;
}
.route-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 10px; font-weight: 600; cursor: pointer; user-select: none;
}
.route-body { padding: 0 10px 10px; }
.route-box.collapsed .route-body { display: none; }
.route-box input {
  width: 100%; box-sizing: border-box; padding: 6px 8px;
  font-size: 13px; border: 1px solid #ccc; border-radius: 6px;
}
.route-actions { display: flex; gap: 6px; margin-top: 2px; }
.route-actions .btn { flex: 1; }
#route-msg { margin-top: 6px; min-height: 1em; }

/* City / car autocomplete dropdown */
.ac-wrap { position: relative; margin-bottom: 6px; }
.ac-list {
  position: absolute; left: 0; right: 0; top: 100%; z-index: 1200;
  background: #fff; border: 1px solid #ccc; border-radius: 0 0 6px 6px;
  max-height: 184px; overflow-y: auto; box-shadow: 0 3px 8px rgba(0,0,0,.18);
}
.ac-list .item { padding: 6px 8px; cursor: pointer; line-height: 1.25; }
.ac-list .item.active, .ac-list .item:hover { background: #eef4ff; }
.ac-list .ctx { display: block; color: #6b7280; font-size: 11px; }

/* Vehicle selector + journey cost */
.route-sel {
  width: 100%; box-sizing: border-box; margin-bottom: 6px; padding: 6px 8px;
  font-size: 13px; border: 1px solid #ccc; border-radius: 6px; background: #fff;
}
.cost { margin-top: 8px; line-height: 1.35; color: #1a7a40; }
.cost b { font-size: 16px; }
.cost .hint { color: #888; }

/* Thermique / Électrique segmented toggle */
.seg { display: flex; margin-bottom: 6px; border: 1px solid #ccc; border-radius: 6px; overflow: hidden; }
.seg label { flex: 1; text-align: center; padding: 5px 0; cursor: pointer; font-size: 12px; color: #444; }
.seg label input { display: none; }
.seg label.seg-on { background: #1a73e8; color: #fff; }
.chk { display: flex; align-items: center; gap: 6px; margin: 2px 0 4px; font-size: 12px; cursor: pointer; }
.chk input { margin: 0; }
#charger-msg { color: #7b1fa2; margin-bottom: 4px; }
.ev-stop { font-size: 20px; text-align: center; line-height: 26px; filter: drop-shadow(0 1px 1px rgba(0,0,0,.45)); }

/* Price ceiling slider */
#price-filter { margin-top: 6px; }
#price-slider {
  width: 100%; margin: 2px 0 0; accent-color: #1a9850; cursor: pointer;
}
.slider-row { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.slider-out { font-size: 12px; font-weight: 600; color: #1a7a40; }
.btn-link {
  border: 0; background: none; padding: 0; cursor: pointer;
  color: #1a73e8; font-size: 11px; text-decoration: underline;
}

/* "Près de moi" button + brand filter */
.btn.near-me { width: 100%; margin: 2px 0 4px; }
#brand-filter { margin-top: 4px; }

/* Median price trend vs the previous build */
.lg-trend { font-size: 12px; margin: 4px 0 2px; }
.lg-trend .up { color: #d73027; font-weight: 600; }    /* price rose */
.lg-trend .down { color: #1a7a40; font-weight: 600; }  /* price fell */

/* Cheapest-stations list */
.cheapest-list { margin-top: 6px; max-height: 240px; overflow-y: auto; }
.cl-item {
  display: flex; align-items: baseline; gap: 8px; padding: 4px 2px;
  border-top: 1px solid #eee; cursor: pointer;
}
.cl-item:hover { background: #eef4ff; }
.cl-price { color: #1a7a40; font-weight: 600; white-space: nowrap; }
.cl-name { line-height: 1.2; }
.cl-name small { display: block; color: #6b7280; font-size: 11px; }

/* Price legend */
.legend-bar {
  height: 12px; border-radius: 3px; margin: 8px 0 3px;
  background: linear-gradient(to right, #1a9850, #91cf60, #fee08b, #fc8d59, #d73027);
}
.legend-scale { display: flex; justify-content: space-between; font-size: 11px; color: #555; }

/* Electric mode legend (charger power) */
.ev-legend { margin: 6px 0 2px; font-size: 12px; color: #444; }
.ev-legend > div { display: flex; align-items: center; gap: 6px; margin: 2px 0; }
.ev-legend .sw { width: 12px; height: 12px; border-radius: 50%; box-shadow: 0 0 0 1px #ccc; }
.ev-legend .sw.fast { background: #7b1fa2; }
.ev-legend .sw.slow { background: #2e86c1; }

/* "Locate me" button */
.locate-ctrl a { text-align: center; font-size: 16px; }
.locate-ctrl a.locating { background: #1a73e8; }

/* Station / charger popups */
.popup b { font-size: 14px; }
.hw-badge, .svc-badge {
  display: inline-block; background: #1a73e8; color: #fff; font-size: 10px;
  font-weight: 700; padding: 1px 5px; border-radius: 4px; vertical-align: middle;
}
.svc-badge { background: #1a7a40; }   /* 24/24 */
.popup .addr { color: #666; margin: 2px 0 6px; }
.popup table { border-collapse: collapse; }
.popup td { padding: 1px 8px 1px 0; }
.popup td.p { text-align: right; font-weight: 600; }
.popup .svc { color: #6b7280; font-size: 11px; margin-top: 4px; line-height: 1.3; }
.popup .upd { margin-top: 6px; color: #6b7280; font-size: 11px; }
.popup-actions { display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.fav-btn {
  border: 1px solid #f1c40f; background: #fff; color: #b8860b; border-radius: 6px;
  padding: 3px 8px; font-size: 12px; cursor: pointer; white-space: nowrap;
}
.fav-btn.on { background: #f1c40f; color: #fff; }

/* Station filters block (favourites / 24-7 / price freshness) */
#filters { margin-top: 6px; }

/* Author credit, shown inside the map attribution (always visible, never
 * overlaps the panels or gets hidden behind the attribution bar). */
.leaflet-control-attribution a.credit-link { font-weight: 600; color: #1a73e8; }

/* First-visit "install to home screen" prompt */
.install-prompt {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(14px + env(safe-area-inset-bottom)); z-index: 2000;
  display: flex; align-items: center; gap: 10px; width: min(92vw, 420px);
  box-sizing: border-box; background: #fff; color: #222;
  border-radius: 12px; padding: 10px 12px; box-shadow: 0 4px 20px rgba(0,0,0,.28);
  animation: ip-rise .25s ease-out;
}
@keyframes ip-rise { from { transform: translate(-50%, 14px); opacity: 0; } }
.ip-icon { font-size: 24px; line-height: 1; }
.ip-text { flex: 1; min-width: 0; font-size: 13px; line-height: 1.35; }
.ip-text b { display: block; margin-bottom: 1px; }
.ip-text .ic { font-weight: 700; }
.install-btn {
  border: 0; background: #1a9850; color: #fff; border-radius: 8px;
  padding: 7px 12px; font-size: 13px; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.install-btn:hover { background: #157a40; }
.install-close {
  border: 0; background: none; color: #888; font-size: 16px;
  cursor: pointer; padding: 0 2px; line-height: 1;
}

/* "New version available" toast */
.update-prompt {
  position: fixed; left: 50%; transform: translateX(-50%);
  top: calc(8px + env(safe-area-inset-top)); z-index: 2500;
  display: flex; align-items: center; gap: 10px;
  background: #1a73e8; color: #fff; border-radius: 10px;
  padding: 8px 12px; font-size: 13px; box-shadow: 0 3px 14px rgba(0,0,0,.3);
}
.update-btn {
  border: 0; background: #fff; color: #1a73e8; border-radius: 7px;
  padding: 5px 10px; font-size: 13px; font-weight: 600; cursor: pointer;
}

/* Visible only when JavaScript is disabled (also useful for crawlers) */
.noscript {
  position: absolute; inset: 0; z-index: 3000; overflow: auto;
  background: #fff; color: #222; padding: 24px; max-width: 640px; margin: 0 auto;
  font-size: 15px; line-height: 1.5;
}

/* Keep Leaflet controls clear of notches / rounded corners */
.leaflet-top { margin-top: env(safe-area-inset-top); }
.leaflet-left { margin-left: env(safe-area-inset-left); }
.leaflet-right { margin-right: env(safe-area-inset-right); }
.leaflet-bottom { margin-bottom: env(safe-area-inset-bottom); }

/* Mobile / narrow: slim top app-bar + collapsible panels that fit the screen.
 * Breakpoint kept in sync with MOBILE_MQ in app.js. Wide enough to cover large
 * phones, tablets and split-screen windows where the centred banner would
 * otherwise overlap the side panels. */
@media (max-width: 960px) {
  /* Title spans the top as a thin bar */
  .banner {
    top: 0; left: 0; right: 0; transform: none; max-width: none; text-align: left;
    border-radius: 0; padding: 6px 12px; padding-top: calc(6px + env(safe-area-inset-top));
  }
  .banner h1 { font-size: 13px; }
  .banner small { font-size: 10px; }
  .b-tz { display: none; }
  /* Push the Leaflet controls (zoom + both panels) clear below the top bar */
  .leaflet-top { margin-top: calc(58px + env(safe-area-inset-top)); }
  /* Panels: fit the viewport width, scroll if tall, larger touch targets */
  .panel, .route-box { width: 62vw; max-width: 250px; min-width: 0; font-size: 14px; }
  .panel.collapsed, .route-box.collapsed { width: auto; }  /* shrink to a chip */
  .panel-body, .route-body { max-height: 56vh; overflow-y: auto; }
  .panel label { padding: 4px 0; }
  .leaflet-touch .leaflet-bar a { width: 34px; height: 34px; line-height: 34px; }
}

/* Dark mode (follows the OS setting). Panels darken; the light IGN basemap is
 * inverted to a dark map. Popups stay light for readability. */
@media (prefers-color-scheme: dark) {
  .banner, .panel, .route-box, .ac-list, .install-prompt {
    background: rgba(28,30,34,.97); color: #e8eaed;
  }
  .banner small, .panel .count, .panel .hint, .cl-name small, .ac-list .ctx { color: #9aa0a6; }
  .panel h4 { color: #b6bcc4; }
  .search-row input, .route-box input, .route-sel, #place {
    background: #2a2d31; color: #e8eaed; border-color: #4a4d51;
  }
  .btn { background: #34373b; color: #e8eaed; border-color: #4a4d51; }
  .btn:hover { background: #3e4146; }
  .ac-list .item.active, .ac-list .item:hover, .cl-item:hover { background: #2d3340; }
  .ro-item:hover, .ro-item.active { background: #2d3340; }
  .cl-item { border-top-color: #34373b; }
  .leaflet-tile { filter: invert(1) hue-rotate(180deg) brightness(.92) contrast(.95); }
}