:root {
  --bg: #16171b; --panel: #1c1e24; --panel2: #23262e; --line: #2c2f36;
  --text: #e8e8ea; --muted: #9297a1; --input: #14151a; --input-line: #363a43;
  --accent: #ff2ecc; --accent-ink: #fff;
  --btn: #262932; --btn-hover: #313640; --btn-ink: #d6d8de;
}
html[data-theme="light"] {
  --bg: #eef0f3; --panel: #fff; --panel2: #f6f7f9; --line: #e3e5ea;
  --text: #22262e; --muted: #6b7280; --input: #fff; --input-line: #cfd3db;
  --accent: #e11d9a; --accent-ink: #fff;
  --btn: #eef0f4; --btn-hover: #e3e6ec; --btn-ink: #363b45;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; }
body { display: flex; color: var(--text); background: var(--bg); }

#sidebar {
  width: 320px; flex: 0 0 320px; padding: 16px 14px 32px; overflow-y: auto;
  background: var(--panel); border-right: 1px solid var(--line);
}
#map { flex: 1; }

/* Header */
.brand { display: flex; align-items: center; justify-content: space-between; }
.brand h1 { margin: 0; font-size: 22px; font-weight: 700; letter-spacing: .3px; }
.brand-actions { display: flex; gap: 6px; }
.stat { margin: 2px 0 10px; }

/* Cards & collapsibles */
.card {
  background: var(--panel2); border: 1px solid var(--line); border-radius: 12px;
  padding: 4px 14px; margin-top: 12px;
}
.card > h2 { margin: 12px 0; }
h2 { font-size: 12px; text-transform: uppercase; letter-spacing: .7px; color: var(--muted); font-weight: 700; }
.muted { color: var(--muted); font-size: 13px; }
.small { font-size: 11.5px; }

summary {
  cursor: pointer; list-style: none; padding: 12px 0;
  font-size: 12px; text-transform: uppercase; letter-spacing: .7px; font-weight: 700; color: var(--muted);
  display: flex; align-items: center; justify-content: space-between;
}
summary::-webkit-details-marker { display: none; }
summary::after { content: "⌄"; font-size: 15px; transition: transform .2s; opacity: .8; }
details[open] > summary::after { transform: rotate(180deg); }
details > *:not(summary):last-child { margin-bottom: 12px; }
.card details { border-top: 1px solid var(--line); }
.card.card > summary { padding: 14px 0; }

/* Inputs */
label { display: block; margin: 10px 0; font-size: 12.5px; color: var(--muted); }
label.check { display: flex; align-items: center; gap: 9px; color: var(--text); font-size: 13.5px; }
select, input[type=number], input[type=text], input[type=date], input[type=range] {
  width: 100%; margin-top: 5px; padding: 9px 10px; border-radius: 8px;
  border: 1px solid var(--input-line); background: var(--input); color: var(--text);
  font-size: 14px;
}
input[type=range] { padding: 0; accent-color: var(--accent); }
label.check input { width: auto; margin: 0; accent-color: var(--accent); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid2 label { margin: 10px 0 0; }
.colorrow { display: flex; gap: 8px; }
.colorrow label { flex: 1; text-align: center; margin: 4px 0 0; font-size: 11.5px; }
input[type=color] { width: 100%; height: 30px; margin-top: 4px; padding: 2px;
  border: 1px solid var(--input-line); border-radius: 8px; background: var(--input); cursor: pointer; }

/* Buttons */
button {
  width: 100%; margin-top: 10px; padding: 10px 12px; border: none; border-radius: 9px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; font-size: 13.5px;
  cursor: pointer; transition: background .15s, filter .15s;
}
button:hover:not(:disabled) { filter: brightness(1.08); }
button.secondary { background: var(--btn); color: var(--btn-ink); }
button.secondary:hover:not(:disabled) { background: var(--btn-hover); filter: none; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.icon { width: 34px; height: 34px; padding: 0; margin: 0; font-size: 15px;
  background: var(--btn); color: var(--btn-ink); border-radius: 9px; }
a.icon { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }

.btnrow { display: flex; gap: 8px; margin-top: 10px; }
.btnrow button { margin-top: 0; flex: 1; }
.btnrow .flex0 { flex: 0 0 auto; width: 44px; }

.searchrow { display: flex; gap: 8px; margin-top: 4px; }
.searchrow input { flex: 1; margin-top: 0; }
.searchrow button { width: auto; margin: 0; }

/* Route + saved lists */
.route-select { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.route-select:empty { display: none; }
.route-select button {
  width: 100%; margin: 0; padding: 9px 11px; text-align: left; font-weight: 500;
  font-size: 13px; background: var(--btn); color: var(--btn-ink); border-radius: 8px;
}
.route-select button.active { background: var(--accent); color: var(--accent-ink); font-weight: 700; }

.saved-row { display: flex; gap: 6px; margin-top: 6px; }
.saved-row button { margin: 0; padding: 9px 11px; text-align: left; font-weight: 500;
  font-size: 13px; background: var(--btn); color: var(--btn-ink); border-radius: 8px; }
.saved-row button.del { flex: 0 0 auto; width: auto; background: #52343a; color: #ff9aa2; }
.session-name { flex: 1; margin: 0; padding: 9px 11px; text-align: left; font-weight: 500;
  font-size: 13px; background: var(--btn); color: var(--btn-ink); border-radius: 8px; }
.saved-row button.flex0, .btnrow button.flex0 { flex: 0 0 auto; width: 44px; }

/* Route info / legend / elevation / dashboard */
#routeInfo { margin: 10px 0 0; min-height: 16px; font-size: 13px; }
#legend { margin-top: 8px; }
#legend .legbar { height: 10px; border-radius: 5px;
  background: linear-gradient(90deg, hsl(240,90%,50%), hsl(120,90%,50%), hsl(0,90%,50%)); }
#legend .legends { display: flex; justify-content: space-between; font-size: 12px; margin-top: 3px; }
#elev { margin-top: 8px; }
#elev svg { display: block; background: var(--input); border-radius: 6px; }
.elevscale { font-size: 11px; margin-top: 2px; }
.dashnums { font-size: 13px; line-height: 1.6; margin-bottom: 8px; }

/* Gamification */
.lvl-head { font-size: 15px; margin: 4px 0 6px; }
.lvl-bar { height: 10px; border-radius: 5px; background: var(--input); overflow: hidden; }
.lvl-bar > span { display: block; height: 100%;
  background: linear-gradient(90deg, var(--accent), #ffb020); }
.badges { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 10px; }
.badge { min-width: 0; text-align: center; padding: 8px 4px; border-radius: 10px;
  background: var(--input); border: 1px solid var(--input-line); }
.badge.off { opacity: .5; filter: grayscale(1); }
.badge.on { border-color: var(--accent); }
.badge-ic { font-size: 22px; line-height: 1.1; }
.badge-nm { font-size: 10.5px; line-height: 1.2; margin-top: 3px; color: var(--muted);
  overflow-wrap: anywhere; hyphens: auto; }
.badge-bar { height: 4px; border-radius: 2px; background: var(--input-line); margin-top: 4px; overflow: hidden; }
.badge-bar > span { display: block; height: 100%; background: var(--accent); }
.calwrap { overflow-x: auto; }

/* Leaflet controls tweak for contrast */
.leaflet-bar a { color: #333; }