:root {
  --green: #3aa70b;
  --green-strong: #2f8a08;
  --green-soft: #eaf6e3;
  --ink: #111111;
  --ink-soft: #4b4b4b;
  --muted: #7a7a7a;
  --line: #e6e6e6;
  --surface: #ffffff;
  --surface-alt: #f7f7f5;
  --radius: 16px;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--surface);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--green-strong);
  text-underline-offset: 2px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

/* --- Top bar ------------------------------------------------------------ */

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 10px 16px;
}

.topbar-inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.brand {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.topbar-link {
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
}

.topbar-link:hover {
  color: var(--ink);
}

/* --- Hero --------------------------------------------------------------- */

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 16px 56px;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 40px 0 28px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
}

h1 {
  margin: 18px 0 10px;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.05;
}

.lede {
  max-width: 620px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.12rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.search {
  position: relative;
  display: flex;
  gap: 8px;
  width: min(560px, 100%);
  margin-top: 26px;
}

.search input {
  flex: 1;
  min-width: 0;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font: inherit;
  font-size: 1rem;
  background: var(--surface);
}

.search input:focus {
  outline: 2px solid var(--green);
  outline-offset: 1px;
  border-color: transparent;
}

.search-results {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  z-index: 15;
  margin: 0;
  padding: 6px;
  list-style: none;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.search-results button {
  display: block;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-radius: 8px;
  background: none;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.search-results button:hover,
.search-results button:focus-visible {
  background: var(--surface-alt);
}

.search-results small {
  display: block;
  color: var(--muted);
}

/* --- Buttons ------------------------------------------------------------ */

.button {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  white-space: nowrap;
}

.button:hover {
  border-color: #cfcfcf;
}

.button.primary {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}

.button.primary:hover {
  background: var(--green-strong);
}

.icon-button {
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font: inherit;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.icon-button:hover {
  background: var(--surface-alt);
}

/* --- Map card ----------------------------------------------------------- */

.map-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.map-stage {
  position: relative;
  height: min(72vh, 720px);
  min-height: 420px;
  background: #f1efe9;
}

.map-stage:fullscreen {
  height: 100vh;
}

#mapCanvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: none;
  cursor: crosshair;
}

#mapCanvas.panning {
  cursor: grabbing;
}

#mapCanvas.over-marker {
  cursor: grab;
}

.noscript {
  margin: 0;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--green-soft);
  font-weight: 500;
}

.trip-panel {
  position: absolute;
  top: 14px;
  left: 14px;
  width: 290px;
  max-height: calc(100% - 28px);
  overflow: auto;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
}

.trip-panel p {
  margin: 0;
}

.trip-eyebrow {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.trip-from,
.trip-to {
  margin-top: 2px !important;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.trip-result {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.trip-duration {
  margin-top: 8px !important;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.trip-steps {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.trip-steps li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
}

.trip-steps .badge {
  flex: none;
  min-width: 26px;
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
}

.trip-steps .walk {
  background: var(--surface-alt);
  color: var(--ink-soft);
}

.trip-steps .minutes {
  margin-left: auto;
  color: var(--muted);
  white-space: nowrap;
}

.trip-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.link-button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 0.8rem;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}

.link-button:hover {
  color: var(--ink);
}

.segmented {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--muted);
}

.segmented span {
  margin-right: 4px;
}

.segmented button {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink-soft);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}

.segmented button[aria-pressed="true"] {
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--ink);
}

.trip-hint {
  margin-top: 10px !important;
  color: var(--muted);
  font-size: 0.85rem;
}

.map-buttons {
  position: absolute;
  top: 14px;
  right: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.legend {
  position: absolute;
  left: 14px;
  bottom: 14px;
  width: 220px;
  padding: 10px 12px 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
}

.legend-bar {
  height: 10px;
  border-radius: 999px;
}

.legend-labels {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  color: var(--ink-soft);
  font-size: 0.75rem;
  font-weight: 500;
}

/* --- Controls ----------------------------------------------------------- */

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  padding: 16px 18px;
  border-top: 1px solid var(--line);
}

.control-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.control-group.actions {
  margin-left: auto;
}

.control-label {
  margin-right: 4px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pill-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
}

.pill-toggle:has(input:checked) {
  border-color: var(--green);
  background: var(--green-soft);
}

.pill-toggle:has(input:disabled) {
  cursor: default;
}

.pill-toggle input {
  margin: 0;
  accent-color: var(--green);
}

input[type="range"] {
  width: 140px;
  accent-color: var(--green);
}

output {
  min-width: 52px;
  font-size: 0.9rem;
  font-weight: 600;
}

.reach {
  margin: 0;
  padding: 0 18px 16px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

/* --- Notes -------------------------------------------------------------- */

.notes {
  max-width: 720px;
  margin: 44px auto 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.notes h2 {
  margin: 28px 0 6px;
  color: var(--ink);
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.notes p {
  margin: 0 0 12px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 30;
  transform: translateX(-50%);
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--ink);
  color: #fff;
  font-weight: 500;
  box-shadow: var(--shadow);
}

@media (max-width: 720px) {
  .hero {
    padding-top: 24px;
  }

  .search {
    flex-direction: column;
  }

  .map-stage {
    height: auto;
    min-height: 0;
  }

  .map-stage:fullscreen #mapCanvas {
    height: 100vh;
  }

  #mapCanvas {
    height: 60vh;
  }

  /* Sur mobile, l'itinéraire passe sous la carte au lieu de la recouvrir. */
  .trip-panel {
    position: static;
    width: auto;
    max-height: none;
    padding: 14px 16px;
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 0;
    background: var(--surface);
    box-shadow: none;
  }

  .map-stage:fullscreen .trip-panel {
    display: none;
  }

  .trip-duration {
    font-size: 1.5rem;
  }

  .legend {
    top: 10px;
    bottom: auto;
    left: 10px;
    width: 160px;
  }

  .map-buttons {
    top: 10px;
    right: 10px;
  }

  .control-group.actions {
    margin-left: 0;
  }
}