:root {
  color-scheme: light dark;
  --bg: #111316;
  --panel: #1c2026;
  --panel-soft: #252a32;
  --text: #f4f7fb;
  --muted: #aab3c0;
  --line: #3b82f6;
  --accent: #34c759;
  --danger: #ff453a;
  --border: #343b46;
}

* {
  box-sizing: border-box;
}

html,
body,
.app {
  height: 100%;
  margin: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
}

.map-panel {
  position: relative;
  min-width: 0;
}

#map {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: #d9dde2;
  cursor: grab;
  touch-action: none;
}

#map.needs-key::before {
  content: "Enter your Google Maps API key, then click Use.";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  background: #d9dde2;
  color: #1f2937;
  text-align: center;
  font-weight: 700;
}

#map.panning {
  cursor: grabbing;
}

.tile {
  position: absolute;
  width: 256px;
  height: 256px;
  user-select: none;
  -webkit-user-drag: none;
}

.route-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.marker {
  position: absolute;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 3px solid white;
  background: var(--line);
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.4);
  transform: translate(-50%, -50%);
  cursor: grab;
  pointer-events: auto;
}

.marker:active {
  cursor: grabbing;
}

.marker.waypoint {
  width: 20px;
  height: 20px;
  background: #ff9f0a;
  border-radius: 4px 4px 10px 10px;
  transform: translate(-50%, -70%) rotate(45deg);
}

.marker.waypoint span {
  position: absolute;
  transform: rotate(-45deg);
  font-size: 10px;
  inset: 0;
  display: grid;
  place-items: center;
  color: #111;
  font-weight: 800;
}

.map-help {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  max-width: 700px;
  padding: 10px 12px;
  color: #fff;
  background: rgb(0 0 0 / 0.62);
  border-radius: 12px;
  font-size: 13px;
  pointer-events: none;
}

.zoom-controls {
  position: absolute;
  top: 16px;
  left: 16px;
  display: grid;
  grid-template-rows: 42px 30px 42px;
  width: 42px;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 0.24);
  border-radius: 14px;
  background: rgb(0 0 0 / 0.62);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.28);
  z-index: 5;
}

.zoom-controls button {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #fff;
  font-size: 24px;
  line-height: 1;
}

.zoom-controls button:hover {
  background: rgb(255 255 255 / 0.14);
  filter: none;
}

#zoomLevel {
  display: grid;
  place-items: center;
  color: rgb(255 255 255 / 0.82);
  border-block: 1px solid rgb(255 255 255 / 0.16);
  font-size: 12px;
  font-weight: 700;
}

.sidebar {
  overflow: auto;
  padding: 22px;
  background: var(--panel);
  border-left: 1px solid var(--border);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.04em;
}

h2 {
  margin: 22px 0 8px;
  font-size: 15px;
}

.muted {
  color: var(--muted);
  line-height: 1.45;
}

label {
  display: grid;
  gap: 6px;
  margin: 18px 0;
  color: var(--muted);
  font-size: 13px;
}

input,
select {
  width: 100%;
  padding: 10px 11px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
  font: inherit;
}

.inline-field {
  display: grid;
  grid-template-columns: 1fr 72px;
  gap: 8px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.stats div {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--panel-soft);
}

.stats span {
  display: block;
  font-weight: 800;
  font-size: 19px;
}

.stats small {
  color: var(--muted);
}

.controls,
.exports {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.controls {
  grid-template-columns: 1fr 1fr;
}

button {
  border: 1px solid var(--border);
  background: var(--panel-soft);
  color: var(--text);
  padding: 10px 11px;
  border-radius: 12px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.12);
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #061108;
}

.list {
  margin: 0;
  padding: 0;
  color: var(--muted);
  font-size: 13px;
}

ol.list {
  padding-left: 22px;
}

.waypoint-row {
  display: grid;
  grid-template-columns: 1fr 110px 32px;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.waypoint-row button {
  padding: 9px;
  color: var(--danger);
}

.saved-route-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.saved-route-row strong {
  display: block;
  color: var(--text);
}

.saved-route-row small {
  color: var(--muted);
}

.saved-route-row button {
  padding: 8px 10px;
}

.saved-route-row button.delete {
  color: var(--danger);
}

@media (max-width: 850px) {
  .app {
    grid-template-columns: 1fr;
    grid-template-rows: 58vh auto;
  }

  .sidebar {
    border-left: 0;
    border-top: 1px solid var(--border);
  }
}