:root{
  --bg:#0b0e12;
  --panel:#11151b;
  --panel-2:#151a21;
  --line:#1f2630;
  --line-soft:#181d25;
  --fg:#e7ecf2;
  --fg-dim:#98a3b2;
  --fg-faint:#69737f;
  --accent:#3fb6d8;
  --accent-dim:#2b7f99;
  --warn:#d8b23f;
  --danger:#e58f7c;
  --radius:10px;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;
  overflow:hidden;
}
button,input,select{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

/* ---------- shell ---------- */
.app{display:grid;grid-template-columns:minmax(0,1fr) 330px;height:100dvh}
.mapwrap{position:relative;min-width:0}
#map{position:absolute;inset:0;background:var(--bg)}
aside{
  border-left:1px solid var(--line);background:var(--panel);
  display:flex;flex-direction:column;min-height:0;overflow-y:auto;overscroll-behavior:contain;
}

/* ---------- header ---------- */
header{padding:20px 20px 16px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:4px}
.eyebrow{
  font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--fg-faint);
  font-weight:600;display:flex;align-items:center;gap:8px;
}
.eyebrow a{text-decoration:none}
h1{margin:0;font-size:20px;font-weight:600;letter-spacing:-.02em;text-wrap:balance;overflow-wrap:anywhere}
.sub{color:var(--fg-dim);font-size:12.5px;overflow-wrap:anywhere}
.sub .mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line)}
.stat{padding:14px 20px;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.stat:nth-child(2n){border-right:0}
.stat .k{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-faint);font-weight:600}
.stat .v{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:21px;font-weight:500;letter-spacing:-.02em;margin-top:3px;
}
.stat .v small{font-size:11px;color:var(--fg-dim);margin-left:3px;font-weight:400}
.stat.wide{grid-column:1 / -1;border-right:0}

/* ---------- sections ---------- */
section{padding:16px 20px;border-bottom:1px solid var(--line)}
section:last-child{border-bottom:0}
.sec-head{
  font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-faint);
  font-weight:600;margin-bottom:12px;display:flex;justify-content:space-between;align-items:baseline;
}
.sec-head .note{letter-spacing:0;text-transform:none;font-size:11px;color:var(--fg-faint);font-weight:400}
.sec-head.gap{margin-top:18px}

/* ---------- splits ---------- */
.splits{display:flex;flex-direction:column;gap:5px}
.split{display:grid;grid-template-columns:34px 1fr 54px;align-items:center;gap:10px}
.split .n{font-family:var(--mono);font-size:11px;color:var(--fg-faint);font-variant-numeric:tabular-nums}
.split .bar{height:7px;border-radius:3px;background:var(--panel-2);overflow:hidden}
.split .bar i{display:block;height:100%;border-radius:3px;background:var(--accent-dim)}
.split.fastest .bar i{background:var(--accent)}
.split .t{font-family:var(--mono);font-size:11.5px;text-align:right;font-variant-numeric:tabular-nums;color:var(--fg-dim)}
.split.fastest .t{color:var(--fg)}

/* ---------- legend ---------- */
.ramp{height:8px;border-radius:4px;margin-bottom:6px}
.ramp-labels{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10.5px;color:var(--fg-faint)}
.notes{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px;color:var(--fg-dim);font-size:12.5px}
.notes li{display:flex;gap:9px;line-height:1.45}
.notes li::before{content:"";flex:0 0 3px;width:3px;border-radius:2px;background:var(--line);margin-top:3px}
.notes b{color:var(--fg);font-weight:500;overflow-wrap:anywhere}

/* ---------- overlay: chart + controls ---------- */
.hud{
  position:absolute;left:14px;right:14px;bottom:14px;z-index:500;
  background:rgba(12,16,21,.88);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 10px 34px rgba(0,0,0,.5);
}
.hud-top{display:flex;align-items:center;gap:12px;padding:9px 12px;border-bottom:1px solid var(--line-soft)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:30px;padding:0 12px;border-radius:7px;cursor:pointer;text-decoration:none;white-space:nowrap;
  background:#e7ecf2;color:#0b0e12;border:1px solid #e7ecf2;font-size:12.5px;font-weight:600;
  transition:background .12s ease,transform .06s ease;
}
.btn:hover{background:#fff;border-color:#fff}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.55;cursor:default;transform:none}
.btn.ghost{background:transparent;color:var(--fg-dim);border-color:var(--line)}
.btn.ghost:hover{background:var(--panel-2);color:var(--fg);border-color:#2a323d}
.btn.danger{color:var(--danger)}
.btn.danger:hover{color:#f3a593;border-color:#4a2c27;background:#1d1413}
.readout{
  margin-left:auto;display:flex;align-items:center;gap:14px;
  font-family:var(--mono);font-size:12px;font-variant-numeric:tabular-nums;color:var(--fg-dim);
}
.readout b{color:var(--fg);font-weight:500}
.readout .sep{width:1px;height:14px;background:var(--line)}
.chart{position:relative;height:108px}
canvas{display:block;width:100%;height:100%;touch-action:pan-y}
.chart .hint{
  position:absolute;left:12px;top:8px;font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--fg-faint);font-weight:600;pointer-events:none;
}
.modes{position:absolute;left:8px;top:5px;display:flex;gap:2px;z-index:1}
.modes button{
  background:transparent;border:1px solid transparent;color:var(--fg-faint);cursor:pointer;
  font-size:10px;letter-spacing:.1em;text-transform:uppercase;font-weight:600;padding:1px 6px;border-radius:5px;
}
.modes button:hover{color:var(--fg-dim)}
.modes button[aria-pressed="true"]{color:var(--fg);border-color:var(--line);background:var(--panel-2)}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.field label{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--fg-faint);font-weight:600}
.field label .opt{letter-spacing:0;text-transform:none;font-weight:400;margin-left:4px}
.field input,.field select{
  height:34px;padding:0 10px;border-radius:7px;width:100%;
  background:var(--panel-2);border:1px solid var(--line);color:var(--fg);font-size:13px;
}
.field input::placeholder{color:var(--fg-faint)}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent-dim)}
.row-actions{display:flex;flex-wrap:wrap;gap:8px}
.linkbox{
  font-family:var(--mono);font-size:12px;line-height:1.45;padding:9px 10px;margin-bottom:10px;border-radius:7px;
  background:var(--panel-2);border:1px solid var(--line);word-break:break-all;user-select:all;color:var(--fg);
}
.err{margin:10px 0 0;color:var(--danger);font-size:12.5px}
.small{margin:12px 0 0;color:var(--fg-faint);font-size:12px;line-height:1.5}
.small a{color:var(--fg-dim)}
.small a:hover{color:var(--fg)}
.specs{margin:16px 0 0;border:1px solid var(--line-soft);border-radius:8px}
.specs div{display:flex;justify-content:space-between;gap:12px;padding:8px 12px;border-bottom:1px solid var(--line-soft);font-size:12.5px}
.specs div:last-child{border-bottom:0}
.specs dt{color:var(--fg-faint)}
.specs dd{margin:0;color:var(--fg-dim);text-align:right}

/* ---------- drop target ---------- */
.drop{position:absolute;inset:0;z-index:600;display:grid;place-items:center;padding:16px;pointer-events:none;transition:background .12s ease}
.drop .card{
  pointer-events:auto;text-align:center;max-width:320px;padding:24px 28px;
  background:rgba(12,16,21,.88);backdrop-filter:blur(14px);
  border:1px dashed #2a323d;border-radius:var(--radius);box-shadow:0 10px 34px rgba(0,0,0,.5);
}
.drop .card b{display:block;font-size:15px;font-weight:600;letter-spacing:-.01em}
.drop .card .sub{margin:4px 0 14px}
body.dragging .drop{display:grid!important;background:rgba(11,14,18,.55)}
body.dragging .drop .card{border-color:var(--accent)}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:22px;z-index:2000;transform:translate(-50%,16px);opacity:0;pointer-events:none;
  background:#e7ecf2;color:#0b0e12;font-weight:600;font-size:12.5px;padding:9px 14px;border-radius:8px;
  box-shadow:0 10px 30px rgba(0,0,0,.45);transition:opacity .15s ease,transform .15s ease;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- not found ---------- */
.center{min-height:100dvh;display:grid;place-items:center;padding-block:24px;padding-inline:16px}
.center .box{max-width:340px;display:flex;flex-direction:column;gap:6px}
.center .box .btn{align-self:flex-start;margin-top:12px}

/* ---------- leaflet skin ---------- */
.leaflet-container{background:#0b0e12;font-family:Inter,sans-serif}
.leaflet-control-attribution{
  background:rgba(12,16,21,.8)!important;color:var(--fg-faint)!important;
  font-size:10px!important;border-radius:6px 0 0 0;
}
.leaflet-control-attribution a{color:var(--fg-dim)!important}
.leaflet-bar{border:1px solid var(--line)!important;border-radius:7px!important;overflow:hidden}
.leaflet-bar a{
  background:rgba(17,21,27,.92)!important;color:var(--fg-dim)!important;
  border-bottom:1px solid var(--line)!important;
}
.leaflet-bar a:hover{background:var(--panel-2)!important;color:var(--fg)!important}
.marker{border-radius:50%;box-shadow:0 0 0 3px rgba(11,14,18,.9)}
.marker.s9{width:9px;height:9px}
.marker.s12{width:12px;height:12px}
.m-start{background:#8ee6cf}
.m-end{background:#e7ecf2}
.m-stop{background:var(--warn)}
.km-label{
  font-family:var(--mono);font-size:10px;font-weight:500;color:var(--fg);
  background:rgba(12,16,21,.85);border:1px solid var(--line);
  border-radius:4px;padding:1px 4px;white-space:nowrap;
}
.leaflet-popup-content-wrapper{
  background:var(--panel);color:var(--fg);border:1px solid var(--line);
  border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.5);
}
.leaflet-popup-content{margin:9px 12px;font-size:12.5px;line-height:1.45}
.leaflet-popup-content b{font-family:var(--mono);font-weight:500}
.leaflet-popup-tip{background:var(--panel);border:1px solid var(--line)}
.leaflet-popup-close-button{color:var(--fg-faint)!important}

/* ---------- responsive ---------- */
@media (max-width:900px){
  body{overflow:auto;background:var(--panel)}
  .app{display:flex;flex-direction:column;height:auto;min-height:100dvh;padding-bottom:env(safe-area-inset-bottom)}
  aside{display:contents}
  aside > *{order:2}
  aside > header{order:0;padding:18px 16px 14px}
  .mapwrap{order:1;height:auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  body:not(.has-route) .mapwrap{display:none}
  #map{position:relative;inset:auto;height:clamp(260px,50dvh,460px)}
  .drop{display:none}
  .hud{position:static;border:0;border-top:1px solid var(--line);border-radius:0;box-shadow:none;backdrop-filter:none;background:var(--panel)}
  .hud-top{padding:10px 16px;gap:8px}
  .readout{gap:10px}
  .readout .wide-only{display:none}
  .chart{height:96px}
  section{padding:16px}
  .stat{padding:12px 16px}
  .stat .v{font-size:19px}
  .btn{height:38px;padding:0 14px;font-size:13px}
  .hud-top .btn{height:32px;padding:0 11px}
  .row-actions .btn{flex:1 1 auto}
  .pick > .btn{width:100%}
  .field input,.field select{height:42px;font-size:16px}
  .leaflet-control-zoom{display:none}
  .toast{bottom:calc(16px + env(safe-area-inset-bottom))}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}