:root {
  --bg: #eef0ec; --panel: #f8f9f6; --ink: #1d2622; --muted: #5b6660; --line: #d3d8d2; --field: #eef1ec;
  --accent: #2f5d46; --accent-ink: #fff; --route: #d9541e; --warn: #9b2c1f; --warn-bg: #fbe9e5;
  --chart-fill: rgba(217, 84, 30, .14); --grid: #e3e7e1; --top: #1f3a2d; --top-ink: #f3f1ec;
  --font: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --cond: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #141917; --panel: #1b211e; --ink: #e7ece8; --muted: #a3ada7; --line: #2f3833; --field: #232a26;
    --accent: #8cc5a5; --accent-ink: #10201a; --route: #ff7a3d; --warn: #ffb4a6; --warn-bg: #3a1d18;
    --chart-fill: rgba(255, 122, 61, .18); --grid: #2b332f; --top: #0f1714; --top-ink: #e7ece8;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #141917; --panel: #1b211e; --ink: #e7ece8; --muted: #a3ada7; --line: #2f3833; --field: #232a26;
  --accent: #8cc5a5; --accent-ink: #10201a; --route: #ff7a3d; --warn: #ffb4a6; --warn-bg: #3a1d18;
  --chart-fill: rgba(255, 122, 61, .18); --grid: #2b332f; --top: #0f1714; --top-ink: #e7ece8;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--bg); color: var(--ink); font: 15px/1.45 var(--font); }
[hidden] { display: none !important; }
#app { display: grid; grid-template-columns: minmax(320px, 390px) 1fr; grid-template-rows: auto 1fr; height: 100vh; height: 100dvh; }

/* top bar */
#top { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; padding: 8px 16px; padding-top: max(8px, env(safe-area-inset-top));
  background: var(--top); color: var(--top-ink); }
.brand { display: flex; align-items: center; gap: 8px; font: 600 20px/1 var(--cond); letter-spacing: .2px; white-space: nowrap; }
.brand svg { width: 22px; height: 22px; fill: currentColor; }
.tabs { display: flex; gap: 2px; background: rgba(255,255,255,.1); border-radius: 9px; padding: 3px; }
.tabs button { font: 600 14.5px var(--font); color: inherit; background: transparent; border: 0; border-radius: 7px; padding: 6px 16px; cursor: pointer; opacity: .8; }
.tabs button:hover { opacity: 1; }
.tabs button[aria-selected=true] { background: var(--top-ink); color: var(--top); opacity: 1; }
.langs { margin-left: auto; display: flex; gap: 2px; }
.langs button { font: 600 12.5px var(--font); color: inherit; background: transparent; border: 1px solid transparent; border-radius: 6px; padding: 4px 7px; cursor: pointer; opacity: .7; }
.langs button[aria-pressed=true] { border-color: currentColor; opacity: 1; }
#top button:focus-visible { outline: 2px solid var(--top-ink); outline-offset: 2px; }

/* panel */
#panel { background: var(--panel); border-right: 1px solid var(--line); overflow-y: auto; padding: 14px 16px 24px; min-height: 0; }
main { position: relative; min-width: 0; min-height: 0; }
#map { position: absolute; inset: 0; background: #dfe3dc; }
h1 { font: 600 24px/1.1 var(--cond); margin: 0 0 4px; letter-spacing: .2px; }
h2 { font: 600 19px/1.2 var(--cond); margin: 10px 0 4px; }
h3 { font: 600 14px var(--font); margin: 12px 0 4px; }
h4 { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 14px 0 6px; font-weight: 600; }
p { margin: 0 0 8px; }
.muted { color: var(--muted); }
.hint { font-size: 13px; margin: 8px 0; }
a { color: var(--accent); }
.intro { margin-bottom: 10px; }

input[type=search] { font: inherit; color: var(--ink); background: var(--field); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; margin-top: 6px; }
input:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button { font: inherit; color: var(--ink); cursor: pointer; }
.ghost { background: transparent; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; }
.ghost:hover { background: var(--field); }
.primary { background: var(--accent); color: var(--accent-ink); border: 0; border-radius: 8px; padding: 8px 12px; font-weight: 600; }
.link { background: none; border: 0; padding: 0; color: var(--accent); font-weight: 500; }
.row { display: flex; align-items: center; }
.gap { gap: 8px; flex-wrap: wrap; }

.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; padding: 2px; background: var(--field); margin: 4px 0 6px; }
.seg button { border: 0; background: transparent; padding: 5px 14px; border-radius: 7px; font-weight: 500; }
.seg button[aria-pressed=true] { background: var(--panel); box-shadow: 0 1px 3px rgba(0,0,0,.15); font-weight: 600; }

.search { position: relative; }
#hits { position: absolute; z-index: 1000; left: 0; right: 0; top: calc(100% + 4px); margin: 0; padding: 4px; list-style: none;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.18); max-height: 340px; overflow: auto; }
#hits li { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 6px; }
#hits li:hover { background: var(--field); }
#hits .name { flex: 1; min-width: 0; }
#hits .name small { display: block; color: var(--muted); }
#hits button { border: 1px solid var(--line); background: var(--panel); border-radius: 6px; padding: 3px 8px; font-size: 12px; }

/* trail swatches: a short line in the trail's colour */
.sw { flex: none; display: inline-block; width: 18px; height: 5px; border-radius: 3px; background: var(--c); vertical-align: middle; margin-right: 6px; }
.sw.none { background: transparent; border: 2px dashed var(--muted); height: 9px; width: 9px; border-radius: 50%; }

/* trail list */
.tgroup h3 { font: 600 13px var(--cond); text-transform: uppercase; letter-spacing: .6px; color: var(--muted); margin: 16px 0 4px; }
.tgroup h3 .muted { text-transform: none; letter-spacing: 0; font: 400 12.5px var(--font); }
.tlist { list-style: none; margin: 0; padding: 0; }
.trow { display: flex; gap: 8px; align-items: flex-start; padding: 7px 8px; border-radius: 8px; cursor: pointer; }
.trow .sw { margin-top: 8px; }
.trow:hover, .trow.on { background: var(--field); }
.trow .body { flex: 1; min-width: 0; }
.trow .ttl { display: block; line-height: 1.3; }
.trow .meta { display: block; font-size: 12.5px; }
.notrack summary { cursor: pointer; font-size: 13px; color: var(--muted); padding: 4px 8px; }
.chip { display: inline-block; font-size: 11.5px; line-height: 1.35; padding: 1px 7px; border-radius: 99px; background: var(--field); color: var(--muted); margin: 3px 4px 0 0; }
.chip.warn { background: var(--warn-bg); color: var(--warn); }

/* trail card */
#trailCard .ttitle { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; font-size: 22px; margin: 10px 0 2px; }
#trailCard .ttitle .sw { width: 24px; height: 6px; }
#trailCard .ref { font-family: var(--font); font-size: 13px; font-weight: 600; background: var(--field); border-radius: 5px; padding: 1px 6px; margin-right: 4px; }
.nums { display: flex; gap: 14px; flex-wrap: wrap; font-variant-numeric: tabular-nums; margin: 6px 0; }
.chips { margin: 4px 0 8px; }
.actions { margin: 10px 0; }
.srcs { margin: 0; padding-left: 18px; font-size: 13.5px; }
.links { margin-top: 8px; font-size: 13.5px; }

/* building */
.startrow { display: flex; align-items: center; gap: 8px; background: var(--field); border-radius: 8px; padding: 6px 8px; }
.startrow .label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pin { flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; color: #fff; background: var(--route); }
.pin.start { background: var(--accent); color: var(--accent-ink); }
#notes p { background: var(--field); border-radius: 8px; padding: 8px 10px; margin: 8px 0; font-size: 13.5px; }
#buildBox { display: grid; gap: 8px; margin-top: 8px; }
.build-tot { font-size: 15.5px; }
.build-ctl { display: flex; flex-wrap: wrap; gap: 6px; }
.build-ctl button:disabled { opacity: .45; cursor: default; }
.ways-h { margin: 6px 0 0; }
.opt { display: flex; gap: 10px; align-items: flex-start; padding: 9px 10px; border: 1px solid var(--line); border-left: 5px solid var(--c); border-radius: 9px; background: var(--panel); cursor: pointer; }
.opt:hover, .opt.on { background: var(--field); }
.opt .badge, .sec .badge { flex: none; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 11.5px; font-weight: 700; color: #fff; background: var(--c); }
.opt .body { flex: 1; min-width: 0; }
.opt .ttl { font-weight: 600; }
.opt .meta { font-size: 12.5px; }
.opt .stops { font-size: 12.5px; margin-top: 4px; display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.opt .stops button { font-size: 12px; padding: 1px 8px; border-radius: 99px; border: 1px solid var(--line); background: var(--field); color: var(--ink); }
.opt .stops button:hover { border-color: var(--c); }
.waytag { width: 22px; height: 22px; border-radius: 50%; background: var(--c); color: #fff; border: 2px solid #fff; display: grid; place-items: center; font: 700 11.5px/1 var(--font); box-shadow: 0 1px 3px rgba(0,0,0,.35); cursor: pointer; }

#detail { border-top: 1px solid var(--line); margin-top: 14px; padding-top: 6px; }
#detail h3 { font: 600 19px var(--cond); margin: 6px 0; }
#detail ul { margin: 6px 0; padding-left: 18px; }
.warnbox { background: var(--warn-bg); color: var(--warn); border-radius: 8px; padding: 8px 10px; margin: 8px 0; }
#detail table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; margin: 6px 0; }
#detail td { padding: 2px 0; }
#detail td:last-child { text-align: right; }
#detail details { margin: 8px 0 12px; }
#detail summary, #trailsBox summary, .sources summary { cursor: pointer; }

.steps { list-style: none; margin: 0 0 10px; padding: 0; position: relative; }
.steps::before { content: ""; position: absolute; left: 10px; top: 10px; bottom: 10px; width: 2px; background: var(--line); }
.steps > li { position: relative; display: flex; gap: 10px; padding: 4px 0; }
.steps .ev.start { align-items: center; }
.steps .ev.start::before { content: ""; flex: none; width: 12px; height: 12px; margin: 0 5px; border-radius: 50%; background: var(--accent); border: 2px solid var(--panel); z-index: 1; }
.steps .ev.start .km { order: 2; margin-left: auto; }
.sec { cursor: pointer; border-radius: 8px; }
.sec:hover, .sec.on { background: var(--field); }
.sec .badge { z-index: 1; border: 2px solid var(--panel); }
.sec .body { flex: 1; min-width: 0; padding-right: 4px; }
.sec .ttl { font-weight: 600; }
.sec .sub, .sec .meta, .sec .until { font-size: 12.5px; }
.evs { list-style: none; margin: 4px 0 2px; padding: 0; display: grid; gap: 2px; font-size: 13px; }
.evs .ev { display: flex; gap: 8px; }
.km { flex: none; min-width: 34px; color: var(--muted); font-variant-numeric: tabular-nums; font-size: 12px; padding-top: 1px; }
.evs .ev.turn { color: var(--route); }

#trailsBox { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 10px; }
#trailsBox summary { font-weight: 600; }
#trailList { list-style: none; margin: 0; padding: 0; max-height: 280px; overflow-y: auto; border: 1px solid var(--line); border-radius: 8px; background: var(--field); }
#trailList li { border-bottom: 1px solid var(--line); }
#trailList li:last-child { border-bottom: 0; }
#trailList label { display: flex; gap: 6px; align-items: center; padding: 6px 8px; font-size: 13px; cursor: pointer; }
#trailList label > span:nth-of-type(2) { flex: 1; min-width: 0; }
#trailList input:not(:checked) ~ span:nth-of-type(2) { color: var(--muted); text-decoration: line-through; }

.sources { margin-top: 20px; border-top: 1px solid var(--line); padding-top: 10px; font-size: 13px; }
.sources ul { padding-left: 18px; margin: 6px 0; }
footer { font-size: 12px; margin-top: 10px; }

/* elevation profile */
#profile { position: absolute; z-index: 800; left: 12px; right: 12px; bottom: 12px; height: 150px; background: var(--panel);
  border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 6px 20px rgba(0,0,0,.18); padding: 8px 10px 4px; }
#chart { width: 100%; height: 100%; display: block; }
#chart .axis text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
#chart .grid line { stroke: var(--grid); }
#chart .area { fill: var(--pc, var(--route)); opacity: .14; }
#chart .line { fill: none; stroke: var(--pc, var(--route)); stroke-width: 2; stroke-linejoin: round; }
#chart .strict { fill: var(--warn); opacity: .18; }
#chart .cross { stroke: var(--muted); stroke-dasharray: 3 3; }
#chart .dot { fill: var(--pc, var(--route)); stroke: var(--panel); stroke-width: 2; }
#chart .segline { fill: none; stroke-width: 2.5; stroke-linejoin: round; }
#chart .band { fill: var(--ink); opacity: .07; }
#tip { position: absolute; top: 6px; pointer-events: none; background: var(--ink); color: var(--panel); font-size: 12px; padding: 3px 7px; border-radius: 6px; white-space: nowrap; font-variant-numeric: tabular-nums; }

/* map bits */
.pinicon { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; color: #fff; font: 700 12px/1 var(--font);
  background: var(--accent); border: 2px solid #fff; box-shadow: 0 1px 4px rgba(0,0,0,.4); }
.leaflet-container { font-family: var(--font); }
.leaflet-popup-content { font-size: 13.5px; margin: 12px 14px; }
.pick ul { list-style: none; margin: 6px 0 10px; padding: 0; }
.pick li button { display: flex; align-items: center; width: 100%; text-align: left; border: 0; background: none; padding: 4px 2px; border-radius: 5px; color: #1d2622; font-size: 13.5px; }
.pick li button:hover { background: #eef1ec; }
.pick .primary { width: 100%; background: #2f5d46; color: #fff; }

/* zones tab */
.status { margin: 6px 0 4px; padding: 9px 12px; border-radius: 6px; font-size: 13.5px; background: var(--bg); color: var(--muted); }
.status.err { background: var(--warn-bg); color: var(--warn); }
.zgroup { font: 600 12.5px var(--cond); text-transform: uppercase; letter-spacing: .6px; color: var(--muted); margin: 12px 0 0; }
.zgroup small { display: block; text-transform: none; letter-spacing: 0; font: 400 12.5px var(--font); }
.zones { list-style: none; margin: 0; padding: 4px 0; }
.zone { display: grid; grid-template-columns: 22px 1fr auto; gap: 10px; align-items: center; padding: 8px; border-radius: 6px; cursor: pointer; user-select: none; }
.zone:hover { background: var(--bg); }
.zone[aria-pressed="true"] .zsw { outline: 2px solid var(--ink); outline-offset: 1px; }
.zone.off { opacity: .45; }
.zsw { width: 22px; height: 16px; border-radius: 3px; border: 1px solid rgba(0,0,0,.35); }
.zsw.dash { border: 1.5px dashed rgba(0,0,0,.65); }
.zname { font-weight: 600; font-size: 14.5px; line-height: 1.2; }
.zname small { display: block; font-weight: 400; color: var(--muted); font-size: 12.5px; }
.vis { appearance: none; width: 34px; height: 20px; border-radius: 10px; background: var(--line); position: relative; cursor: pointer; margin: 0; }
.vis::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--panel); transition: left .15s; }
.vis:checked { background: var(--accent); }
.vis:checked::after { left: 16px; }
.rules table, .pop table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.rules td, .pop td { padding: 6px 0; border-top: 1px solid var(--line); vertical-align: top; }
.pop td { padding: 3px 0; border-top-color: #d3d8d2; }
.rules td:first-child, .pop td:first-child { padding-right: 10px; }
.rules td:last-child, .pop td:last-child { text-align: right; white-space: nowrap; font-weight: 600; }
.s-no { color: #b3261e; } .s-auth { color: #9a6200; } .s-yes { color: #1f7a45; } .s-na { color: var(--muted); font-weight: 400 !important; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .rules .s-no { color: #ff8a80; } :root:not([data-theme="light"]) .rules .s-auth { color: #ffcf6b; } :root:not([data-theme="light"]) .rules .s-yes { color: #7fdca4; } }
.fn { color: var(--muted); font-size: 12.5px; margin: 8px 0 0; }
.park, .zsources { border-top: 1px solid var(--line); margin-top: 14px; font-size: 13.5px; }
.park ul, .zsources ul { margin: 0; padding-left: 18px; }
.park li, .zsources li { margin: 0 0 6px; }
.zsources .note { color: var(--muted); font-size: 12.5px; margin: 12px 0 0; }
.pop h3 { font: 600 18px var(--cond); margin: 0 0 2px; }
.pop .meta { color: #5b6660; font-size: 12.5px; margin: 0 0 8px; }
.zlabel { background: transparent; border: 0; box-shadow: none; font: 600 12px var(--cond); color: #1d2622; text-shadow: 0 0 3px #fff, 0 0 3px #fff, 0 0 3px #fff; padding: 0; }
.zlabel::before { display: none; }
.zonesOn { display: flex; align-items: center; gap: 10px; margin: 6px 0 4px; font-size: 13.5px; font-weight: 500; cursor: pointer; }
/* in Routes the zones are only a backdrop: taps go through to the route builder */
.routes-tab .leaflet-zones-pane, .routes-tab .leaflet-zones-pane * { pointer-events: none !important; }

@media (max-width: 760px) {
  #app { grid-template-columns: 1fr; grid-template-rows: auto 50vh 1fr; height: auto; min-height: 100dvh; }
  #top { position: sticky; top: 0; z-index: 1001; gap: 10px; padding: 6px 12px; }
  .brand span { display: none; }
  .tabs button { padding: 6px 12px; }
  main { order: 1; height: 50vh; position: sticky; top: 46px; z-index: 5; }
  #panel { order: 2; border-right: 0; border-top: 1px solid var(--line); overflow: visible; }
  #profile { height: 118px; left: 8px; right: 8px; bottom: 8px; }
}
@media (prefers-reduced-motion: reduce) { .vis::after { transition: none; } }