:root {
  --green: #0d7d5a;
  --green-deep: #075c41;
  --lime: #7bd389;
  --gold: #ffce3d;
  --ink: #16241f;
  --muted: #6a7d75;
  --bg: #f4faf6;
  --panel: #ffffff;
  --line: #e2ede7;
  --skip: #c94f4f;
  --radius-lg: 22px;
  --radius: 14px;
  --spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --shadow: 0 6px 22px rgba(13, 125, 90, 0.10);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 100% -10%, rgba(123, 211, 137, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 0%, rgba(255, 206, 61, 0.14), transparent 55%),
    var(--bg);
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}

/* ---- topbar ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(env(safe-area-inset-top, 0px) + 16px) 18px 10px; gap: 12px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.drop { font-size: 34px; filter: drop-shadow(0 3px 6px rgba(0,0,0,.15)); }
.topbar h1 { font-size: 22px; margin: 0; font-weight: 800; letter-spacing: -0.5px; }
.topbar h1 span { color: var(--green); }
.tag { margin: 2px 0 0; font-size: 12.5px; color: var(--muted); }
.icon-btn {
  border: none; background: var(--panel); color: var(--green);
  width: 44px; height: 44px; border-radius: 999px; font-size: 20px;
  box-shadow: var(--shadow); cursor: pointer; transition: transform .3s var(--spring);
}
.icon-btn:active { transform: rotate(180deg) scale(.9); }

/* ---- fuel tabs ---- */
.controls { padding: 4px 14px 0; }
.fuel-tabs {
  display: flex; gap: 8px; overflow-x: auto; padding: 6px 4px 10px;
  scrollbar-width: none;
}
.fuel-tabs::-webkit-scrollbar { display: none; }
.fuel-tab {
  flex: 0 0 auto; border: none; padding: 10px 18px; border-radius: 999px;
  background: var(--panel); color: var(--muted); font-size: 14px; font-weight: 600;
  cursor: pointer; box-shadow: var(--shadow); transition: all .25s var(--spring);
}
.fuel-tab.active {
  color: #fff; font-weight: 700;
  background: linear-gradient(135deg, var(--green), var(--green-deep));
  transform: translateY(-1px);
}

/* ---- price-level bar (under the map, big + bright) ---- */
.level-bar { display: flex; gap: 8px; padding: 2px 14px 4px; }
.level-btn {
  flex: 1; border: 2px solid var(--line); padding: 12px 6px; border-radius: 14px;
  font-size: 14px; font-weight: 800; background: var(--panel); color: var(--muted);
  box-shadow: var(--shadow); cursor: pointer; transition: all .18s var(--spring);
}
.level-btn.active { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--lime), var(--green)); transform: translateY(-1px); }
.level-btn.cheapest.active { background: linear-gradient(135deg, #FFD84D, #F5A623); color: #5a3d00; box-shadow: 0 4px 14px rgba(245,166,35,.45); }

/* ---- popup card ---- */
.leaflet-popup-content { margin: 12px 14px; }
.pop-brand { font-weight: 800; font-size: 16px; color: var(--ink); }
.pop-town { font-size: 12px; font-weight: 700; color: var(--green-deep); margin-top: 2px; }
.pop-name { font-size: 12.5px; color: var(--muted); margin-top: 1px; }
.pop-price { font-size: 20px; font-weight: 800; color: var(--green-deep); margin: 6px 0 2px; }
.pop-price span { font-size: 12px; font-weight: 600; color: var(--muted); }
.pop-addr { font-size: 12.5px; color: var(--ink); }
.pop-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.pop-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.pop-actions a {
  font-size: 12.5px; font-weight: 700; text-decoration: none; padding: 7px 11px; border-radius: 999px;
  background: #eef4f1; color: var(--green-deep);
}
.tapmap { display: block; font-size: 10.5px; color: var(--green); font-weight: 700; margin-top: 3px; }

/* ---- mode toggle ---- */
.mode-toggle {
  display: flex; gap: 8px; padding: 4px 4px 8px;
}
.mode-btn {
  flex: 1; border: none; padding: 11px 12px; border-radius: 999px;
  background: var(--panel); color: var(--muted); font-size: 14.5px; font-weight: 700;
  box-shadow: var(--shadow); cursor: pointer; transition: all .25s var(--spring);
}
.mode-btn.active {
  color: #fff;
  background: linear-gradient(135deg, var(--green), var(--green-deep));
}

/* ---- route bar ---- */
.routebar {
  margin: 0 14px 8px; padding: 12px 14px; background: var(--panel);
  border-radius: var(--radius); box-shadow: var(--shadow);
}
#routehint { font-size: 13px; color: var(--muted); display: block; margin-bottom: 10px; }
.routebtns { display: flex; flex-wrap: wrap; gap: 8px; }
.mini-btn {
  border: none; padding: 9px 14px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: #eef4f1; color: var(--ink); cursor: pointer;
}
.mini-btn.primary { background: linear-gradient(135deg, var(--green), var(--green-deep)); color: #fff; }
.mini-btn:disabled { opacity: .45; cursor: default; }
.corridor-lab { display: block; margin-top: 10px; font-size: 13px; color: var(--ink); }
.corridor-lab input { width: 54px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 10px; font-size: 14px; font-weight: 700; text-align: center; }

/* ---- map ---- */
.map-wrap { position: relative; margin: 0 14px 6px; }
#map {
  height: 56vh; min-height: 380px; border-radius: var(--radius-lg);
  box-shadow: var(--shadow); z-index: 0; overflow: hidden;
}
.search-area {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%); z-index: 500;
  border: none; padding: 10px 18px; border-radius: 999px; font-size: 14px; font-weight: 700;
  color: #fff; background: linear-gradient(135deg, var(--green), var(--green-deep));
  box-shadow: 0 4px 14px rgba(7,92,65,.4); cursor: pointer; transition: transform .2s var(--spring);
}
.search-area:active { transform: translateX(-50%) scale(.9); box-shadow: 0 2px 8px rgba(7,92,65,.5); }
.search-area:disabled { opacity: .9; }

/* spinner + loading bar */
.spin {
  display: inline-block; width: 14px; height: 14px; vertical-align: -2px; margin-right: 5px;
  border: 2px solid rgba(255,255,255,.45); border-top-color: #fff; border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.icon-btn.busy { animation: spin .8s linear infinite; color: var(--green); }
.maploader {
  position: absolute; top: 0; left: 0; right: 0; height: 4px; z-index: 600; overflow: hidden;
  background: rgba(13,125,90,.15); border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.maploader::before {
  content: ""; position: absolute; top: 0; height: 100%; width: 40%;
  background: linear-gradient(90deg, transparent, var(--lime), var(--green));
  animation: loadslide 1.05s ease-in-out infinite;
}
@keyframes loadslide { 0% { left: -42%; } 100% { left: 100%; } }
.haptic-switch { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.locate-btn {
  position: absolute; bottom: 14px; right: 14px; z-index: 500;
  width: 46px; height: 46px; border-radius: 999px; border: none; background: #fff;
  font-size: 22px; box-shadow: 0 4px 12px rgba(0,0,0,.25); cursor: pointer;
}
.locate-btn:active { transform: scale(.92); }
.maptip { margin: 0 20px 6px; font-size: 12px; color: var(--muted); text-align: center; line-height: 1.5; }
#verpill {
  position: fixed; right: 10px; bottom: 10px; z-index: 900;
  font-size: 11px; font-weight: 700; color: var(--green-deep);
  background: rgba(255,255,255,.85); padding: 3px 9px; border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0,0,0,.12); pointer-events: none;
}
.price-pin { background: none; border: none; }
.pin-bubble {
  color: #fff; font-weight: 800; font-size: 12px; height: 24px; min-width: 34px; padding: 0 8px;
  display: flex; align-items: center; justify-content: center; border-radius: 999px;
  box-shadow: 0 3px 8px rgba(0,0,0,.3); border: 2px solid #fff; white-space: nowrap;
}
.pin-bubble.best {
  color: #5a3d00; font-size: 13.5px; height: 30px; min-width: 48px; font-weight: 900;
  border-color: #fff; transform: scale(1.06);
  box-shadow: 0 0 0 3px rgba(255,206,61,.6), 0 5px 14px rgba(245,166,35,.6);
  animation: bestpulse 1.8s ease-in-out infinite;
}
@keyframes bestpulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(255,206,61,.55), 0 5px 14px rgba(245,166,35,.5); }
  50%      { box-shadow: 0 0 0 8px rgba(255,206,61,0), 0 6px 16px rgba(245,166,35,.75); }
}
.route-pin { background: none; border: none; }
.route-dot {
  width: 24px; height: 24px; border-radius: 999px; background: #1f5e8a; color: #fff;
  font-weight: 800; font-size: 12px; display: flex; align-items: center; justify-content: center;
  border: 2px solid #fff; box-shadow: 0 2px 6px rgba(0,0,0,.3);
}
.leaflet-container { font: inherit; }

/* ---- status ---- */
.status {
  margin: 8px 18px; padding: 14px 16px; border-radius: var(--radius);
  background: var(--panel); color: var(--muted); font-size: 14px; box-shadow: var(--shadow);
}

/* ---- summary ---- */
.summary {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
  padding: 6px 18px 4px;
}
.stat {
  background: var(--panel); border-radius: var(--radius); padding: 14px 8px;
  text-align: center; box-shadow: var(--shadow);
}
.stat-num { display: block; font-size: 24px; font-weight: 800; color: var(--green); letter-spacing: -0.5px; }
.stat-lbl { font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }

/* ---- list ---- */
.list { padding: 10px 14px 4px; display: flex; flex-direction: column; gap: 10px; }
.row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  background: var(--panel); border-radius: var(--radius-lg); padding: 14px 16px;
  text-decoration: none; color: inherit; box-shadow: var(--shadow);
  position: relative; overflow: hidden; transition: transform .2s var(--spring);
  width: 100%; text-align: left; border: none; font: inherit; cursor: pointer;
}
.row:active { transform: scale(.985); }
/* gradient outline on the cheapest card — the signature treatment */
.row.best {
  background:
    linear-gradient(var(--panel), var(--panel)) padding-box,
    linear-gradient(135deg, var(--green), var(--lime), var(--gold)) border-box;
  border: 2px solid transparent;
}
.row-main { min-width: 0; }
.row-brand { font-weight: 700; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.pin {
  font-size: 10px; font-weight: 800; letter-spacing: .6px; color: var(--green-deep);
  background: var(--lime); padding: 2px 7px; border-radius: 999px;
}
.row-addr {
  font-size: 12.5px; color: var(--muted); margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 62vw;
}
.row-meta { font-size: 12.5px; color: var(--muted); margin-top: 6px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row-price { text-align: right; white-space: nowrap; }
.pence { font-size: 25px; font-weight: 800; letter-spacing: -0.5px; }
.p { font-size: 12px; color: var(--muted); margin-left: 2px; }

/* favourites star on rows */
.fav-star {
  position: absolute; top: 8px; right: 12px; z-index: 2;
  font-size: 20px; line-height: 1; color: var(--line); cursor: pointer; padding: 4px;
  transition: transform .2s var(--spring);
}
.fav-star.on { color: var(--gold); }
.fav-star:active { transform: scale(1.3); }
.row-price { padding-right: 8px; }

/* trend indicator */
.trend {
  margin: 0 18px 6px; padding: 10px 14px; border-radius: var(--radius); font-size: 13.5px;
  background: var(--panel); box-shadow: var(--shadow); text-align: center; color: var(--ink);
}
.trend.down b:last-child { color: var(--green); }
.trend.up b:last-child { color: var(--skip); }
.trend.flat b:last-child { color: var(--muted); }

/* popup save button */
.pop-fav { border: none; cursor: pointer; }
.pop-fav.on { background: #fff6db !important; color: #97710a !important; }

.age { font-size: 11.5px; color: var(--muted); }
.age.stale { color: #b26a00; font-weight: 700; }
.row.stale { opacity: .82; }
.row.stale .pence { color: var(--muted); }
.pop-age { font-size: 12px; color: var(--muted); margin: 2px 0 0; }
.pop-age.stale { color: #b26a00; font-weight: 700; }

.badge { font-size: 11px; font-weight: 700; padding: 3px 9px; border-radius: 999px; }
.badge.near  { background: #eef4f1; color: var(--muted); }
.badge.worth { background: #e4f7e8; color: var(--green-deep); }
.badge.skip  { background: #fdeaea; color: var(--skip); }
.badge.wash  { background: #fff6db; color: #97710a; }

/* ---- assumptions ---- */
.assumptions {
  margin: 14px 18px; background: var(--panel); border-radius: var(--radius);
  padding: 4px 16px; box-shadow: var(--shadow); font-size: 14px;
}
.assumptions summary { cursor: pointer; padding: 12px 0; font-weight: 600; }
.muted { color: var(--muted); font-weight: 400; }
.assump-row { display: flex; flex-wrap: wrap; gap: 14px; padding: 4px 0 14px; }
.assump-row label { font-size: 13.5px; color: var(--ink); display: flex; align-items: center; gap: 6px; }
.assump-row input {
  width: 62px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 14px; font-weight: 600; text-align: center;
}

/* ---- footer ---- */
.foot { padding: 18px 20px 30px; text-align: center; position: relative; }
.foot p { font-size: 11.5px; color: var(--muted); margin: 4px 0; line-height: 1.5; }
.ver { position: absolute; right: 12px; bottom: 8px; font-size: 10px; color: var(--line); }