:root {
  --app-version: "2026.08.16.10";
  --bg: #f6f7f9;
  --panel: #ffffff;
  --ink: #1b1f24;
  --muted: #667085;
  --line: #dfe3e8;
  --accent: #c2410c;
  --accent-ink: #ffffff;
  --shadow: 0 8px 28px rgba(16, 24, 40, .16);
  --topbar-h: 52px;
  --panel-w: 320px;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171b;
    --panel: #1c2126;
    --ink: #e8eaed;
    --muted: #9aa4b2;
    --line: #2c333b;
    --accent: #f97316;
    --accent-ink: #17191c;
    --shadow: 0 8px 28px rgba(0, 0, 0, .5);
  }
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

body { display: flex; flex-direction: column; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------------- top bar ---------------- */

#topbar {
  height: calc(var(--topbar-h) + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) 10px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  z-index: 1200;
  flex: none;
}

#topbar { position: relative; }

/* Home. Left of the bar, next to the panel toggle. */
.home {
  font-size: 16px;
  font-weight: 600;
  color: inherit;
  text-decoration: none;
  margin: 0 auto 0 4px;
  white-space: nowrap;
  padding: 6px 4px;
  border-radius: 8px;
}
.home:hover { color: var(--accent); }

/* Centred on the page, not on the space the buttons happen to leave, so the
   track name sits over the middle of the map. Out of the flex flow entirely. */
.track-title {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  max-width: min(46vw, 520px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  pointer-events: none;   /* never intercept a click meant for the bar */
}
.track-title:empty { display: none; }

.topbtn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  background: transparent;
  color: inherit;
  border-radius: 9px;
  padding: 7px 11px;
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  min-height: 38px;
}
.topbtn:hover:not(:disabled) { border-color: var(--accent); }
.topbtn:disabled { opacity: .4; cursor: default; }
.topbtn[aria-expanded="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.topbtn .ico { font-size: 15px; line-height: 1; }

#btn-upload { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

/* ---------------- layout ---------------- */

#stage {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
}

#map {
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  background: var(--bg);
  z-index: 1;
}

.panel {
  width: var(--panel-w);
  flex: none;
  background: var(--panel);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
  z-index: 900;
}
.panel-right { border-right: 0; border-left: 1px solid var(--line); }
.panel[hidden], [hidden] { display: none !important; }

.panel-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  flex: none;
}
.panel-head h2 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  margin: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#info-name { text-transform: none; letter-spacing: 0; font-size: 15px; color: var(--ink); }
.count { color: var(--muted); font-weight: 400; }

/* Sits in the panel head, so it must not push the title or the ✕ around. */
.showall { flex: none; padding: 5px 10px; font-size: 12.5px; }

.panel-close {
  border: 0; background: transparent; color: var(--muted);
  font-size: 18px; line-height: 1; cursor: pointer; padding: 4px 6px; border-radius: 8px;
}
.panel-close:hover { color: var(--ink); background: rgba(127,127,127,.12); }

/* ---------------- track list ---------------- */

.controls { padding: 8px 10px; display: grid; gap: 6px; border-bottom: 1px solid var(--line); flex: none; }

/* Compact by default. The 16px that stops iOS zooming on focus is a phone
   problem, and paying for it on a desktop made the three controls above the
   list taller than the rows they filter. */
#search, #sort, #filter-tag, #login-pass, #file,
#ed-name, #ed-date, #ed-country, #ed-tags {
  width: 100%;
  padding: 6px 9px;
  font: inherit;
  font-size: 13.5px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
}
#search:focus, #sort:focus, input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.sortrow { display: flex; gap: 6px; }
.sortrow #sort { flex: 1; }
#sort-dir {
  width: 34px; flex: none; border: 1px solid var(--line); background: var(--bg);
  color: var(--ink); border-radius: 8px; font-size: 14px; cursor: pointer;
}

/* Set apart from the sort row: sorting reorders, this one hides things, and
   confusing the two costs you tracks you think have vanished. */
#filter-tag.active { border-color: var(--accent); color: var(--accent); }

.track-list { list-style: none; margin: 0; padding: 6px; overflow-y: auto; flex: 1 1 auto; -webkit-overflow-scrolling: touch; }

.trackrow { display: flex; align-items: stretch; gap: 2px; }

.dlbtn {
  flex: none;
  width: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 17px;
  line-height: 1;
}
.dlbtn:hover, .dlbtn:focus-visible { background: rgba(127,127,127,.14); color: var(--accent); }

.track {
  flex: 1 1 auto;
  min-width: 0;
  text-align: left;
  display: block;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 9px 10px;
  cursor: pointer;
  color: inherit;
  font: inherit;
}
.track:hover { background: rgba(127,127,127,.10); }
.track.active { background: color-mix(in srgb, var(--accent) 16%, transparent); border-color: var(--accent); }
.track .tname { display: block; font-weight: 600; margin-bottom: 2px; overflow-wrap: anywhere; }
.track .tmeta { display: block; color: var(--muted); font-size: 12.5px; }
.track .tmeta span + span::before { content: " · "; }

/* Shift-clicked rows. A left border rather than a fill, so it stays legible
   next to .active, which already fills the selected track. */
.track.picked {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  box-shadow: inset 3px 0 0 var(--accent);
}

.pick-hint {
  margin: 0; padding: 8px 12px;
  font-size: 12.5px; color: var(--muted);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-bottom: 1px solid var(--line);
}

.empty { color: var(--muted); padding: 14px; margin: 0; }

/* ---------------- drop zone ---------------- */

/* The whole panel is the target, so a drop can land on the empty space below a
   short list as readily as on the rows themselves.

   A class, not #panel-tracks: an id would out-specify the mobile rule below
   that makes the sheet position:absolute, however much later that rule comes,
   because a media query adds no specificity. The panel then stayed in the flow
   and sat across the bottom of every phone screen. */
.panel { position: relative; }
#panel-tracks.dragging { outline: 2px dashed var(--accent); outline-offset: -6px; }

.drop-hint {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--panel) 88%, var(--accent));
  color: var(--accent); font-weight: 600; font-size: 14px;
  border-radius: inherit;
  z-index: 20;
  pointer-events: none;   /* never swallow the drop it is advertising */
}

.drop-status {
  flex: none;
  padding: 8px 12px;
  border-top: 1px solid var(--line);
  background: var(--panel);
}
.drop-status .readout { margin: 0 0 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------------- panel footer ---------------- */

.panel-foot {
  flex: none; margin: 0;
  padding: 6px 12px calc(6px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  text-align: right;
}
.panel-foot a { color: var(--muted); font-size: 11.5px; text-decoration: none; }
.panel-foot a:hover { color: var(--accent); text-decoration: underline; }

/* ---------------- tag buttons ---------------- */

.tag-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin: 12px 0 0; }
/* Not a block of its own: its two links join the tags as flex items, so the
   download sits after the last tag and wraps with them. */
.dl { display: contents; }
.tagbtn {
  font: inherit; font-size: 12.5px; line-height: 1;
  padding: 6px 10px; border-radius: 999px; cursor: pointer;
  background: transparent; color: var(--muted);
  border: 1px solid var(--line);
  max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.tagbtn:hover { border-color: var(--accent); color: var(--accent); }
.tagbtn.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
/* The country reads as the heading of the set, so it is the solid one. */
.tagbtn.country { color: var(--ink); border-color: var(--muted); }
.tagbtn.country.on { color: var(--accent-ink); border-color: var(--accent); }

.field { display: grid; gap: 6px; }
.field[hidden] { display: none; }

/* Set apart from Save by a rule and a gap, so it is never the button you press
   by reflex on the way out of the dialog. */
.ed-danger {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  text-align: right;
}

/* ---------------- trip info ---------------- */

#info-body { overflow-y: auto; padding: 12px; flex: 1 1 auto; }

.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin: 0 0 10px; }
.stats > div {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 5px 9px;
}
.stats dt { font-size: 10px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); line-height: 1.3; }
.stats dd { margin: 0; font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.35; }
.stats dd small { font-size: 12px; font-weight: 400; color: var(--muted); }

.profile-wrap h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 0 0 6px; }
.profile { width: 100%; height: 150px; touch-action: none; }
.profile svg { width: 100%; height: 100%; display: block; overflow: visible; }
.profile .area { fill: color-mix(in srgb, var(--accent) 22%, transparent); }
.profile .line { fill: none; stroke: var(--accent); stroke-width: 1.6; }
.profile .grid { stroke: var(--line); stroke-width: 1; }
.profile .axis { fill: var(--muted); font-size: 10px; }
.profile .cursor { stroke: var(--ink); stroke-width: 1; stroke-dasharray: 3 3; opacity: .7; }
.profile .dot { fill: var(--accent); stroke: var(--panel); stroke-width: 2; }
.readout { color: var(--muted); font-size: 12.5px; margin: 6px 0 0; font-variant-numeric: tabular-nums; }

.dl a { color: var(--accent); }
.dl .dlmain {
  text-decoration: none;
  font-weight: 600;
  font-size: 12.5px;
  line-height: 1;
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 6px 11px;
  white-space: nowrap;
}
#view-link { font-size: 12px; white-space: nowrap; }
.dl .dlmain:hover { background: var(--accent); color: var(--accent-ink); }
.dl #view-link { font-size: 13px; color: var(--muted); }

/* ---------------- upload modal ---------------- */

.modal {
  position: fixed; inset: 0; z-index: 3000;
  background: rgba(10, 12, 16, .55);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.modal-card {
  width: min(420px, 100%);
  max-height: 90vh;
  overflow: auto;
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.modal-body { padding: 14px; display: grid; gap: 8px; }
.modal-body label { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.hint { color: var(--muted); font-size: 13px; margin: 0 0 4px; }
.primary {
  margin-top: 6px; padding: 11px 14px; font: inherit; font-weight: 600;
  background: var(--accent); color: var(--accent-ink);
  border: 0; border-radius: 9px; cursor: pointer;
}
.primary:disabled { opacity: .6; cursor: default; }
.linkbtn { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; text-decoration: underline; }
.err { color: #dc2626; font-size: 13px; margin: 4px 0 0; }
.ok  { color: #15803d; font-size: 13px; margin: 4px 0 0; }
@media (prefers-color-scheme: dark) { .err { color: #f87171; } .ok { color: #4ade80; } }

.secondary {
  margin-top: 10px; padding: 9px 12px; font: inherit;
  background: transparent; color: var(--ink);
  border: 1px solid var(--line); border-radius: 9px; cursor: pointer;
}
.secondary:hover { border-color: var(--accent); }

/* ---------------- manage (rename / delete) ---------------- */

.manage-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.manage-head h3 { margin: 0; font-size: 15px; }

.manage-list { list-style: none; margin: 0; padding: 0; max-height: 44vh; overflow-y: auto; }
.manage-row {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 0; border-top: 1px solid var(--line);
}
.manage-row:first-child { border-top: 0; }
.manage-name { flex: 1 1 auto; min-width: 0; }
.manage-name .n { display: block; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.manage-name .d { display: block; color: var(--muted); font-size: 12px; }
.manage-row input[type="text"] { flex: 1 1 auto; min-width: 0; }

/* Fixed width so the row does not reflow as labels change during a confirm. */
.rowbtn {
  flex: none; padding: 6px 10px; font: inherit; font-size: 13px;
  background: transparent; color: var(--ink);
  border: 1px solid var(--line); border-radius: 7px; cursor: pointer;
}
.rowbtn:hover:not(:disabled) { border-color: var(--accent); }
.rowbtn:disabled { opacity: .5; cursor: default; }
.rowbtn.danger { color: #dc2626; }
.rowbtn.danger.armed { background: #dc2626; color: #fff; border-color: #dc2626; }
@media (prefers-color-scheme: dark) { .rowbtn.danger { color: #f87171; } }

.progress { height: 6px; background: var(--line); border-radius: 4px; overflow: hidden; }
.progress .bar { height: 100%; width: 0; background: var(--accent); transition: width .15s linear; }

/* Drop-folder panel in the upload dialog. Separated from the upload form above
   it, because they are two different ways of doing the same thing. */
.incoming {
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}
.incoming-errs {
  list-style: none; margin: 8px 0 0; padding: 0;
  font-size: 12.5px; color: var(--muted);
  max-height: 128px; overflow-y: auto;
}
.incoming-errs li { padding: 3px 0; border-top: 1px solid var(--line); }
.incoming-errs strong { color: var(--ink); font-weight: 600; }

.toast {
  position: fixed; left: 50%; bottom: calc(18px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--ink); color: var(--bg);
  padding: 9px 14px; border-radius: 999px; font-size: 13.5px;
  z-index: 4000; box-shadow: var(--shadow); max-width: 90vw; text-align: center;
}

/* ---------------- loading indicator ---------------- */

/* Sits over the map, but never blocks it: panning and zooming stay live while
   a track downloads, so a slow track cannot make the site feel frozen. */
.loading {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  display: flex; align-items: center; gap: 10px;
  background: var(--panel); color: var(--ink);
  border: 1px solid var(--line);
  padding: 10px 16px; border-radius: 999px;
  font-size: 13.5px; white-space: nowrap; max-width: 80vw;
  box-shadow: var(--shadow);
  z-index: 1200;            /* over the map and its controls, under the panels */
  pointer-events: none;
}
.loading > span:last-child {
  overflow: hidden; text-overflow: ellipsis;
}

.spinner {
  flex: none;
  width: 15px; height: 15px; border-radius: 50%;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* A spinning element is exactly the kind of motion this setting is for. Keep
   the indicator, drop the rotation. */
@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; border-top-color: var(--accent); opacity: 0.7; }
}

/* ---------------- leaflet tweaks ---------------- */

.leaflet-container { font: inherit; background: var(--bg); }
.leaflet-control-attribution { font-size: 10px; }
.leaflet-bar a, .leaflet-control-layers-toggle { width: 34px; height: 34px; line-height: 34px; }

/* The download shortcut under the layer switcher, phones only. */
.map-dl a {
  font-size: 17px; text-align: center; text-decoration: none;
  color: var(--accent); background: var(--panel);
}
.map-dl a:hover { color: var(--accent); }
.hover-dot { pointer-events: none; }

/* ---------------- mobile ---------------- */

@media (max-width: 800px) {
  :root { --panel-w: 100%; }

  #stage { display: block; }
  #map { position: absolute; inset: 0; height: 100%; width: 100%; }

  .panel {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    top: auto;
    max-height: 72%;
    width: auto;
    border: 0;
    border-top: 1px solid var(--line);
    border-radius: 14px 14px 0 0;
    box-shadow: var(--shadow);
    padding-bottom: env(safe-area-inset-bottom);
    transform: translateY(102%);
    transition: transform .22s ease;
    z-index: 1100;
  }
  .panel.open { transform: translateY(0); }
  .panel:not(.open) { pointer-events: none; }

  /* The grab handle belongs to the bottom sheets. Dialogs share .panel-head but
     are not draggable, and a handle on one is a promise the UI does not keep. */
  .panel .panel-head::before {
    content: "";
    position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
    width: 38px; height: 4px; border-radius: 2px; background: var(--line);
  }
  .panel .panel-head { position: relative; padding-top: 16px; }

  /* Smaller here: it sits over the map, which is the whole screen on a phone. */
  .leaflet-control-layers-toggle { width: 30px !important; height: 30px !important; }
  .map-dl a { width: 30px; height: 30px; line-height: 30px; font-size: 15px; }

  .topbtn .lbl { display: none; }
  #btn-upload .lbl { display: inline; }
  /* A track is selected: the screen is the map, and the bar carries only the
     two things you still need — back to everything, and this track's details. */
  body.track-focus #btn-tracks,
  body.track-focus .home,
  body.track-focus #btn-upload { display: none !important; }
  /* Hidden while it is closed, but still openable — tapping a tag filters the
     list and then shows it, which cannot work if the panel is display:none. */
  body.track-focus #panel-tracks:not(.open) { display: none !important; }
  body.track-focus .track-title { max-width: 50vw; }
  #btn-showall-top { font-size: 13px; }

  /* There is no Option key to reveal it here, so it stays on screen — but in
     the same plain style as the other buttons rather than solid accent, so it
     does not dominate a bar that is mostly for reading. */
  #btn-upload {
    background: var(--panel);
    color: var(--ink);
    border-color: var(--line);
  }
  .home { font-size: 15px; }
  /* Less room between the buttons on a phone, so give it less to work with. */
  .track-title { font-size: 13.5px; max-width: 38vw; }
  .stats { grid-template-columns: 1fr 1fr; }
  .profile { height: 130px; }

  /* Roomy again here: 16px is what stops iOS zooming the page when a field
     takes focus, and a finger needs the extra height regardless. */
  .controls { padding: 10px 12px; gap: 8px; }
  #search, #sort, #filter-tag, #login-pass, #file,
  #ed-name, #ed-date, #ed-country, #ed-tags {
    padding: 9px 10px; font-size: 16px; border-radius: 9px;
  }
  #sort-dir { width: 42px; font-size: 16px; border-radius: 9px; }

  /* Finger-sized hit areas. These are all fine with a mouse but are 19-27px
     tall by default, which is a miss waiting to happen on a phone. */
  .panel-close {
    min-width: 44px; min-height: 44px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 20px; padding: 0;
  }
  .tagbtn { padding: 10px 14px; font-size: 13.5px; }
  /* It sits among the tags, so it needs their height too — a 27px pill is a
     fine mouse target and an awkward one for a thumb. */
  .dl .dlmain { padding: 10px 14px; font-size: 13.5px; }
  .rowbtn { padding: 9px 12px; }
  .showall { padding: 9px 12px; font-size: 13px; }
  /* Inline by default, so padding alone would not grow the box. */
  .linkbtn, .dl a { display: inline-block; padding: 9px 4px; }
  .dl { gap: 8px; }
  /* Dragging files is a desktop gesture; the footer link still needs a target. */
  .panel-foot a { display: inline-block; padding: 8px 4px; font-size: 12px; }
}

@media (max-width: 420px) {
  #btn-upload .lbl { display: none; }
  .home { font-size: 14px; }
  /* Below this the bar is all buttons; the name is in the panel header anyway. */
  .track-title { display: none; }
}

/* desktop: panels are always laid out, hidden by class */
@media (min-width: 801px) {
  .panel.collapsed { display: none; }
}