/* Dark-first on purpose: this gets used in a car, often at night. */
:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1c2430;
  --line: #2a3441;
  --text: #e6edf3;
  --muted: #8b98a8;
  --accent: #3fb950;
  --accent-ink: #06240d;
  --warn: #d29922;
  --bad: #f85149;
  --radius: 14px;
  --tap: 48px;            /* minimum touch target */
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-text-size-adjust: 100%;
}

body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
           calc(env(safe-area-inset-bottom) + 24px) env(safe-area-inset-left);
}

header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 14px 16px 8px;
  position: sticky; top: 0; z-index: 20;
  background: linear-gradient(var(--bg) 72%, transparent);
}
h1 { font-size: 1.15rem; margin: 0; letter-spacing: .2px; }
h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .09em;
     color: var(--muted); margin: 22px 0 8px; font-weight: 600; }

main { max-width: 620px; margin: 0 auto; padding: 0 16px; }

.icon-btn {
  background: var(--surface); color: var(--text); border: 1px solid var(--line);
  border-radius: 50%; width: 40px; height: 40px; font-size: 1.1rem;
  cursor: pointer; flex: 0 0 auto;
}

/* --- mode tabs --- */
.mode {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 4px; margin-bottom: 18px;
}
.mode-btn {
  min-height: 42px; border: 0; border-radius: 10px; cursor: pointer;
  background: transparent; color: var(--muted); font: inherit; font-weight: 600;
}
.mode-btn.is-active { background: var(--surface-2); color: var(--text); }

/* --- form --- */
.field { margin-bottom: 18px; }
label, .field > label {
  display: block; font-size: .8rem; font-weight: 600; color: var(--muted);
  text-transform: uppercase; letter-spacing: .07em; margin-bottom: 7px;
}
input[type=text] {
  width: 100%; min-height: var(--tap); padding: 0 14px;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--line); border-radius: 12px;
  font: inherit; font-size: 1.05rem;
}
input[type=text]:focus-visible, .chip:focus-visible, .btn:focus-visible,
.mode-btn:focus-visible, .icon-btn:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

.row { display: flex; align-items: center; gap: 14px; }
input[type=range] {
  flex: 1; min-width: 0; accent-color: var(--accent);
  height: var(--tap); /* fat invisible hit area for thumbs in a moving car */
}
output {
  flex: 0 0 auto; min-width: 92px; text-align: right;
  font-variant-numeric: tabular-nums; font-weight: 600;
}
.hint { margin: 6px 0 0; font-size: .8rem; color: var(--muted); line-height: 1.4; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  min-height: var(--tap); padding: 0 18px; cursor: pointer;
  background: var(--surface); color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px;
  font: inherit; font-weight: 600;
}
.chip.is-active {
  background: var(--accent); color: var(--accent-ink);
  border-color: var(--accent);
}

.settings { margin: 4px 0 20px; border-top: 1px solid var(--line); }
.settings summary {
  cursor: pointer; padding: 14px 0; font-size: .8rem; font-weight: 600;
  color: var(--muted); text-transform: uppercase; letter-spacing: .07em;
}
.settings[open] summary { margin-bottom: 8px; }

.actions { display: grid; grid-template-columns: auto 1fr; gap: 10px; }
.btn {
  min-height: 54px; padding: 0 20px; border-radius: 12px; cursor: pointer;
  font: inherit; font-size: 1.05rem; font-weight: 700; border: 1px solid var(--line);
}
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-ghost { background: var(--surface); color: var(--text); }
.btn[disabled] { opacity: .5; cursor: default; }

.loc { margin: 10px 0 0; font-size: .82rem; color: var(--muted); }
.loc.ok { color: var(--accent); }
.loc.err { color: var(--bad); }

/* --- status --- */
.status {
  margin: 20px 0; padding: 14px 16px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--line); font-size: .95rem;
}
.status.err { border-color: var(--bad); color: #ffc9c4; }

/* --- result cards --- */
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; margin-bottom: 10px;
}
.card-best { border-color: var(--accent); border-width: 2px; padding: 18px; }

.tag {
  display: inline-block; font-size: .68rem; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 8px;
}
.st-name { font-size: 1.3rem; font-weight: 800; margin: 0 0 2px; line-height: 1.2; }
.card .st-name { font-size: 1.05rem; }
.card-best .st-name { font-size: 1.35rem; }
.st-addr { font-size: .85rem; color: var(--muted); margin: 0 0 14px; }

.price-line { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.price { font-size: 2rem; font-weight: 800; font-variant-numeric: tabular-nums;
         line-height: 1; }
.card .price { font-size: 1.4rem; }
.price-unit { font-size: .85rem; color: var(--muted); }

.age {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  background: var(--surface-2); color: var(--muted);
}
.age.fresh { color: var(--accent); }
.age.aging { color: var(--warn); }
.age.stale { color: var(--bad); }

.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
  gap: 12px; margin: 16px 0 0; padding-top: 14px; border-top: 1px solid var(--line);
}
.stat-k { font-size: .68rem; text-transform: uppercase; letter-spacing: .08em;
          color: var(--muted); }
.stat-v { font-size: 1rem; font-weight: 700; font-variant-numeric: tabular-nums;
          margin-top: 2px; }
.stat-v.good { color: var(--accent); }
.stat-v.bad { color: var(--bad); }

.warn-box {
  margin: 14px 0 0; padding: 10px 12px; border-radius: 10px; font-size: .85rem;
  background: rgba(210,153,34,.12); border: 1px solid rgba(210,153,34,.4);
  color: #f0cf8a;
}

.waze {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; margin-top: 14px; border-radius: 12px;
  background: #33ccff; color: #002733; font-weight: 800; font-size: 1.02rem;
  text-decoration: none;
}
.card .waze { min-height: 44px; font-size: .92rem; margin-top: 12px; }

#map {
  height: 260px; border-radius: var(--radius); margin: 18px 0 4px;
  border: 1px solid var(--line); overflow: hidden; background: var(--surface);
}
.leaflet-container { background: var(--surface) !important; }

.meta { margin: 18px 0 0; font-size: .78rem; color: var(--muted); line-height: 1.6; }

@media (prefers-reduced-motion: no-preference) {
  .card, .status { animation: rise .18s ease-out; }
  @keyframes rise { from { opacity: 0; transform: translateY(6px); } }
}

/* Respect a light-theme preference without losing contrast. */
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fa; --surface: #ffffff; --surface-2: #eef1f5;
    --line: #d6dde5; --text: #12181f; --muted: #5b6672;
    --accent: #197b32; --accent-ink: #ffffff;
  }
}