:root {
  --bg: #0b1120;
  --bg-2: #0e1526;
  --panel: #131c33;
  --panel-2: #182446;
  --line: #24304f;
  --text: #eef2fb;
  --muted: #8b95ad;
  --flight: #f5b544; /* amber */
  --car: #34d3c0; /* teal */
  --train: #b18cf0; /* violet */
  --land: #1c2947;
  --land-line: #2c3c63;
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
body {
  background: radial-gradient(1200px 600px at 70% -10%, #16203a 0%, var(--bg) 55%);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ---- gate / error ---- */
.gate {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 50;
}
.gate-card {
  text-align: center;
  max-width: 340px;
}
.gate-emoji {
  font-size: 42px;
}
.gate h1 {
  margin: 8px 0 4px;
  font-size: 26px;
  letter-spacing: 0.5px;
}
#gate-msg {
  color: var(--muted);
  margin: 6px 0 18px;
}
.gate.error .gate-emoji::before {
  content: "🔒";
}
.spinner {
  width: 26px;
  height: 26px;
  margin: 0 auto;
  border: 3px solid var(--line);
  border-top-color: var(--flight);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
.gate.error .spinner {
  display: none;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ---- layout ---- */
main {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 14px 40px;
}
.topbar {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 18px 4px 10px;
}
.brand {
  font-weight: 700;
  font-size: 18px;
}
.brand-sub {
  color: var(--muted);
  font-size: 13px;
}

/* ---- hero ---- */
.hero {
  padding: 10px 4px 6px;
}
.hero-total {
  margin-bottom: 14px;
}
.hero-km {
  font-size: clamp(40px, 13vw, 72px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -1.5px;
  background: linear-gradient(180deg, #ffffff, #f5b544);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-km-label {
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 4px;
}
.statrow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 8px;
  text-align: center;
}
.stat .v {
  font-size: 19px;
  font-weight: 700;
}
.stat .l {
  color: var(--muted);
  font-size: 11px;
  margin-top: 2px;
}

/* ---- panels ---- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px;
  margin-top: 16px;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.panel-head h2 {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.3px;
}
.legend {
  display: flex;
  gap: 10px;
  font-size: 11px;
  color: var(--muted);
}
.reset-btn {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
}

/* ---- map ---- */
.map-wrap {
  position: relative;
  background: linear-gradient(180deg, #0a1024, #0b1226);
  border-radius: 12px;
  overflow: hidden;
  touch-action: none;
}
#map {
  width: 100%;
  height: auto;
  display: block;
  cursor: grab;
}
#map:active {
  cursor: grabbing;
}
.land {
  fill: var(--land);
  stroke: var(--land-line);
  stroke-width: 0.4px;
}
.graticule {
  fill: none;
  stroke: #1a2848;
  stroke-width: 0.4px;
}
.arc-flight {
  fill: none;
  stroke: var(--flight);
  stroke-width: 0.8px;
  stroke-opacity: 0.28;
}
.arc-car {
  fill: none;
  stroke: var(--car);
  stroke-width: 0.9px;
  stroke-opacity: 0.5;
}
.arc-train {
  fill: none;
  stroke: var(--train);
  stroke-width: 0.9px;
  stroke-opacity: 0.5;
}
.apt {
  fill: #ffd78a;
  fill-opacity: 0.85;
  stroke: #0b1120;
  stroke-width: 0.3px;
}
.map-hint {
  position: absolute;
  right: 8px;
  bottom: 6px;
  font-size: 10px;
  color: var(--muted);
  pointer-events: none;
  background: rgba(11, 17, 32, 0.5);
  padding: 2px 6px;
  border-radius: 6px;
}

/* ---- year bars ---- */
#years {
  width: 100%;
  height: auto;
  display: block;
}
.bar-flight {
  fill: var(--flight);
}
.bar-car {
  fill: var(--car);
}
.bar-train {
  fill: var(--train);
}
.bar-group {
  cursor: pointer;
}
.bar-group.dim {
  opacity: 0.32;
}
.bar-axis text {
  fill: var(--muted);
  font-size: 10px;
}
.bar-axis line,
.bar-axis path {
  stroke: var(--line);
}
.bar-val {
  fill: var(--text);
  font-size: 10px;
}

/* ---- timeline ---- */
.timeline {
  margin-top: 2px;
}
.yr-header {
  position: sticky;
  top: 0;
  background: linear-gradient(180deg, var(--panel) 70%, rgba(19, 28, 51, 0));
  padding: 10px 2px 6px;
  font-weight: 700;
  font-size: 14px;
  color: var(--flight);
  display: flex;
  justify-content: space-between;
  z-index: 2;
}
.yr-header .yr-km {
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
}
.trip {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 8px;
  align-items: baseline;
  padding: 8px 2px;
  border-bottom: 1px solid var(--line);
}
.trip .emoji {
  font-size: 15px;
}
.trip .route {
  font-weight: 600;
}
.trip .sub {
  color: var(--muted);
  font-size: 12px;
  margin-top: 1px;
}
.trip .km {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
}
.trip .km .date {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 400;
  text-align: right;
}
.mode-dot {
  border-left: 3px solid transparent;
}

.foot {
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  margin-top: 26px;
}

@media (max-width: 380px) {
  .statrow {
    grid-template-columns: repeat(2, 1fr);
  }
  main {
    padding: 0 10px 40px;
  }
}