:root {
  --green: #0E7A3C;
  --green-dark: #0A5C2D;
  --asphalt: #26292B;
  --paper: #FCFCF9;
  --amber: #E8A013;
  --steel: #8A9299;
  --line: #E3E4DE;
  font-family: "Fira Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; }
html, body { height: 100%; overscroll-behavior: none; }
body { color: var(--asphalt); background: var(--paper); }

#map { position: fixed; inset: 0; }

/* ---- top chrome ---- */
.topbar {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 10px);
  left: 10px; right: 10px;
  display: flex; gap: 8px; align-items: flex-start;
  pointer-events: none;
  z-index: 5;
}
.chips { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }
.chips button {
  pointer-events: auto;
  border: 1.5px solid var(--line);
  background: var(--paper);
  color: var(--asphalt);
  font: 600 14px/1 "Fira Sans", sans-serif;
  padding: 9px 12px;
  border-radius: 999px;
  box-shadow: 0 1px 4px rgba(38, 41, 43, 0.18);
}
.chips button.armed { border-color: var(--green); color: var(--green); }
.round-btn {
  pointer-events: auto;
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1.5px solid var(--line);
  background: var(--paper);
  font-size: 19px;
  color: var(--asphalt);
  box-shadow: 0 1px 4px rgba(38, 41, 43, 0.18);
}

/* ---- bottom sheet ---- */
.sheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--paper);
  border-radius: 18px 18px 0 0;
  box-shadow: 0 -4px 24px rgba(38, 41, 43, 0.22);
  padding: 0 16px calc(env(safe-area-inset-bottom) + 12px);
  z-index: 6;
  transition: transform 0.22s ease;
  max-height: calc(100dvh - env(safe-area-inset-top) - 56px);
  overflow-y: auto;
}
.sheet.collapsed .sliders { display: none; }
.grabber {
  display: block; width: 100%;
  background: none; border: none;
  padding: 10px 0 6px;
}
.grabber span {
  display: block; width: 44px; height: 5px;
  border-radius: 3px; background: var(--line);
  margin: 0 auto;
}

.sheet-row { display: flex; gap: 10px; align-items: stretch; }
.segmented {
  display: flex; border: 1.5px solid var(--line);
  border-radius: 12px; overflow: hidden;
}
.seg {
  border: none; background: var(--paper);
  font-size: 21px; padding: 10px 14px;
  filter: grayscale(1) opacity(0.55);
}
.seg.on { background: #E9F3EC; filter: none; }

.go {
  flex: 1;
  border: none; border-radius: 12px;
  background: var(--green); color: #fff;
  font: 800 17px/1 "Fira Sans", sans-serif;
  letter-spacing: 0.01em;
  padding: 14px 18px;
  min-height: 48px;
}
.go:active { background: var(--green-dark); }
.go[disabled] { opacity: 0.5; }

.hint { font-size: 14px; color: var(--steel); padding: 10px 2px 4px; }

/* ---- junction-sign stat card ---- */
.statcard { padding-top: 10px; }
.plate {
  display: flex; align-items: center; gap: 14px;
  border: 2.5px solid var(--green);
  border-radius: 12px;
  background: #fff;
  padding: 10px 14px;
}
.plate-km { color: var(--green); text-align: center; line-height: 1; }
.plate-km b { display: block; font-size: 34px; font-weight: 800; }
.plate-km span { font-size: 13px; font-weight: 600; }
.plate-facts {
  display: flex; flex-wrap: wrap; gap: 4px 14px;
  font-size: 14px; color: var(--asphalt);
}
.fact b { font-weight: 800; }
.lens {
  display: inline-block; width: 11px; height: 11px;
  border-radius: 50%; background: var(--amber);
  margin-right: 4px;
}
.statcard-actions { display: flex; gap: 10px; padding-top: 8px; }
.ghost {
  flex: 1;
  text-align: center; text-decoration: none;
  border: 1.5px solid var(--line); border-radius: 10px;
  background: var(--paper); color: var(--asphalt);
  font: 600 15px/1 "Fira Sans", sans-serif;
  padding: 11px 0;
}
.ghost:active { border-color: var(--green); color: var(--green); }

/* ---- sliders ---- */
.sliders { padding-top: 12px; display: grid; gap: 2px; }
.sliders label {
  display: grid;
  grid-template-columns: 1fr 46px;
  grid-template-areas: "text out" "bar bar";
  align-items: center;
  font-size: 14.5px; font-weight: 600;
  padding: 5px 0;
}
.sliders label.cap { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 10px; }
.sliders output { grid-area: out; text-align: right; color: var(--steel); font-weight: 600; }
.sliders input[type="range"] {
  grid-area: bar;
  width: 100%; height: 30px;
  appearance: none; background: transparent;
}
.sliders input[type="range"]::-webkit-slider-runnable-track {
  height: 6px; border-radius: 3px; background: var(--line);
}
.sliders input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--paper);
  border: 2.5px solid var(--green);
  margin-top: -10px;
}
.sliders input[type="range"]::-moz-range-track {
  height: 6px; border-radius: 3px; background: var(--line);
}
.sliders input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--paper); border: 2.5px solid var(--green);
}

/* ---- PIN overlay ---- */
.pin-overlay {
  position: fixed; inset: 0; z-index: 20;
  background: var(--paper);
  display: flex; align-items: center; justify-content: center;
}
.pin-box { width: min(320px, 84vw); display: grid; gap: 12px; text-align: center; }
.pin-box h1 { font-size: 44px; font-weight: 800; color: var(--green); letter-spacing: -0.02em; }
.pin-box p { font-size: 15px; }
.pin-box input {
  font: 600 22px/1 "Fira Sans", sans-serif;
  text-align: center; letter-spacing: 0.3em;
  padding: 12px; border-radius: 12px;
  border: 1.5px solid var(--line);
}
.pin-box input:focus { outline: 2px solid var(--green); border-color: var(--green); }
.pin-error { color: #B3261E; min-height: 1.2em; font-size: 14px; }

/* ---- toast ---- */
.toast {
  position: fixed; left: 50%; bottom: 30vh;
  transform: translateX(-50%);
  background: var(--asphalt); color: var(--paper);
  font-size: 14.5px; font-weight: 600;
  padding: 10px 16px; border-radius: 10px;
  z-index: 30; max-width: 86vw; text-align: center;
}

[hidden] { display: none !important; }

button, .ghost { cursor: pointer; touch-action: manipulation; }
button:focus-visible, a:focus-visible, input:focus-visible {
  outline: 2px solid var(--green); outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .sheet { transition: none; }
}
@media (min-width: 700px) {
  .sheet { left: auto; right: 16px; bottom: 16px; width: 380px; border-radius: 18px; }
}