/* Layout: the map is the page; one card floats over it with the two inputs,
   the slider and the result. On a phone the card docks to the bottom. */
:root{
  --paper:#f6f6f3; --ink:#1a1f26; --muted:#5f6b78; --line:#d9dcd9;
  --card:#ffffff; --field:#f1f2ef;
  --route:#0f8f6f; --mid:#d9961f; --route-casing:#ffffff; --short:#d1452c; --family:#8f99a3;
  --accent:#0f8f6f; --focus:#1f5fd0;
  --font:"IBM Plex Sans","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --street:#c4c7c3;
  --shade-filter:none;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#15191e; --ink:#eceff2; --muted:#9aa5b1; --line:#2e353d;
    --card:#1c2128; --field:#242a32; --route:#3ccfa5; --mid:#f0b43a; --route-casing:#0f1317;
    --short:#ff7a5c; --family:#5b6672; --accent:#6ea0ff; --focus:#6ea0ff;
    --street:#3a424b;
    --shade-filter:invert(1) hue-rotate(180deg) brightness(.72) contrast(.9);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#15191e; --ink:#eceff2; --muted:#9aa5b1; --line:#2e353d;
  --card:#1c2128; --field:#242a32; --route:#3ccfa5; --mid:#f0b43a; --route-casing:#0f1317;
  --short:#ff7a5c; --family:#5b6672; --accent:#6ea0ff; --focus:#6ea0ff;
  --street:#3a424b;
  --shade-filter:invert(1) hue-rotate(180deg) brightness(.72) contrast(.9);
  color-scheme:dark;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--paper);color:var(--ink);font:14px/1.45 var(--font);overflow:hidden}
#map{position:absolute;inset:0;background:var(--paper)}
.leaflet-container{background:var(--paper);font-family:var(--font)}
.leaflet-image-layer{filter:var(--shade-filter);image-rendering:auto}
.leaflet-bar a{background:var(--card);color:var(--ink);border-bottom-color:var(--line)}
.leaflet-control-attribution{background:color-mix(in srgb,var(--card) 85%,transparent)!important;color:var(--muted)!important;font-size:10px}
.leaflet-control-attribution a{color:var(--muted)!important}
.z-low .nblabel,.z-high .nblabel{display:none}
.no-shade{background:var(--paper)}
.pin-icon{width:18px;height:18px;border-radius:50%;background:var(--route);border:3px solid var(--card);box-shadow:0 1px 4px rgba(0,0,0,.35);cursor:grab}
.pin-icon.to{background:var(--ink)}
.nblabel{font:500 11px var(--font);color:var(--muted);letter-spacing:.02em;white-space:nowrap;transform:translate(-50%,-50%);opacity:.85;text-shadow:0 0 3px var(--paper),0 0 6px var(--paper)}

#card{position:absolute;top:16px;left:16px;width:min(400px,calc(100% - 32px));max-height:calc(100% - 32px);overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 28px rgba(0,0,0,.14);padding-block:14px;padding-inline:16px;z-index:1000;display:flex;flex-direction:column;gap:10px}
h1{font-size:15px;font-weight:600;margin:0;letter-spacing:-.01em}
h1 small{font-weight:400;color:var(--muted);margin-left:6px;font-size:12px}
.row{display:flex;gap:8px;align-items:center;min-width:0}
.field{position:relative;flex:1;min-width:0}
.field label{position:absolute;left:10px;top:5px;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);pointer-events:none}
.field input{width:100%;padding:19px 28px 6px 10px;text-overflow:ellipsis;background:var(--field);color:var(--ink);border:1px solid transparent;border-radius:8px;font:14px var(--font)}
.field input:focus-visible{outline:2px solid var(--focus);outline-offset:0;border-color:transparent}
.field input::placeholder{color:var(--muted);opacity:.8}
.field .pin{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:var(--route);box-shadow:0 0 0 2px var(--card)}
.field .pin.to{background:var(--ink)}
.suggest{position:absolute;left:0;right:0;top:calc(100% + 4px);background:var(--card);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(0,0,0,.14);z-index:1200;max-height:260px;overflow:auto;padding:4px 0;margin:0;list-style:none}
.suggest li{padding:7px 10px;cursor:pointer;display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.suggest li[aria-selected="true"],.suggest li:hover{background:var(--field)}
.suggest .k{font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;flex:none}
.suggest .n{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
button{font:13px var(--font);color:var(--ink);background:var(--field);border:1px solid transparent;border-radius:8px;padding:8px 10px;cursor:pointer}
button:hover{border-color:var(--line)}
button:focus-visible{outline:2px solid var(--focus);outline-offset:1px}
.swap{flex:none;width:36px;height:36px;padding:0;font-size:16px;line-height:1}
.seg{display:flex;background:var(--field);border-radius:8px;padding:3px;gap:3px}
.seg button{flex:1;background:transparent;padding:6px 8px}
.seg button[aria-pressed="true"]{background:var(--card);box-shadow:0 1px 2px rgba(0,0,0,.12);font-weight:600}
.hint{font-size:12px;color:var(--muted)}

.slider{display:flex;flex-direction:column;gap:4px;margin-top:2px}
.slider .ends{display:flex;justify-content:space-between;font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.slider .ends b{color:var(--ink);font-weight:600}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:6px;border-radius:3px;background:linear-gradient(90deg,var(--short),var(--mid),var(--route));outline:none;margin:6px 0}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;border-radius:50%;background:var(--card);border:2px solid var(--ink);cursor:pointer;box-shadow:0 1px 4px rgba(0,0,0,.25)}
input[type=range]::-moz-range-thumb{width:20px;height:20px;border-radius:50%;background:var(--card);border:2px solid var(--ink);cursor:pointer}
input[type=range]:focus-visible{outline:2px solid var(--focus);outline-offset:4px}

.result{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.stat{min-width:0}
.stat .v{font:600 20px/1.1 var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat .v small{font:500 12px var(--font);color:var(--muted);margin-left:2px}
.stat .k{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-top:3px}
.delta{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.delta b{color:var(--ink);font-weight:600}
.delta .up{color:var(--short)} .delta .down{color:var(--route)}
#prof{width:100%;height:92px;display:block;border-radius:8px;background:var(--field)}
.statusrow{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.status{font-size:12px;color:var(--muted);min-height:1.2em}
button.link{background:none;border:0;padding:0;font-size:12px;color:var(--accent);cursor:pointer;flex:none;text-decoration:underline;text-underline-offset:2px}
button.link:hover{border:0}
#sharebox{width:100%;font:11px var(--mono);padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--field);color:var(--ink)}
.fine{font-size:11px;color:var(--muted);line-height:1.4}
details{font-size:12px;color:var(--muted)}
details summary{cursor:pointer;user-select:none}
details a{color:var(--accent)}
@media (max-width:640px){
  #card.typing .slider,#card.typing .result,#card.typing .delta,#card.typing #prof,#card.typing details,#card.typing .status{display:none}
  #card{top:auto;bottom:0;left:0;width:100%;max-height:58%;border-radius:14px 14px 0 0;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px))}
  .result{grid-template-columns:repeat(3,1fr)}
  .stat .v{font-size:17px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}