:root {
  --bg: #0f1419;
  --panel: #1a2027;
  --panel2: #222b34;
  --fg: #e6edf3;
  --muted: #9aa7b3;
  --accent: #fc6719;     /* Zwift orange */
  --accent2: #4aa8ff;
  --border: #2d3742;
  --good: #3fb950;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main { max-width: 1100px; margin: 0 auto; padding: 24px 18px 60px; }

/* top page nav (Calculator / Routes / Docs) — shared across pages */
.topnav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 0 0 20px; }
.topnav .brand {
  padding: 8px 10px 8px 0; margin-right: 4px;
  font-weight: 800; font-size: 1.05rem; letter-spacing: -0.01em;
  color: var(--accent); white-space: nowrap;
}
.topnav .brand::before {
  content: ""; display: inline-block; width: 1.3em; height: 1.3em;
  margin-right: 0.42em; vertical-align: -0.3em;
  background: url("/static/favicon.svg?v=1") no-repeat center / contain;
}
.topnav a {
  padding: 8px 16px; border-radius: 8px; text-decoration: none; font: inherit;
  font-weight: 600; font-size: .9rem; color: var(--fg);
  background: var(--panel2); border: 1px solid var(--border);
}
.topnav a:hover { border-color: var(--accent2); }
.topnav a.active { background: var(--accent); border-color: var(--accent); color: #1a1207; }
.topnav a.active:hover { border-color: var(--accent); }

header h1 { margin: 0 0 4px; font-size: 1.6rem; }
header .sub { color: var(--muted); margin: 0 0 18px; max-width: 70ch; }
footer .disclaimer {
  margin: 14px 0 0; padding-top: 12px; max-width: 80ch;
  font-size: .76rem; line-height: 1.5;
  border-top: 1px solid var(--border);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  padding: 12px 14px 14px;
  margin: 0;
}
legend { color: var(--accent); font-weight: 600; padding: 0 6px; }

label { display: flex; flex-direction: column; gap: 4px; margin: 10px 0; color: var(--muted); font-size: .85rem; }
label.range > span { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; color: var(--muted); }
label.check { flex-direction: row; align-items: center; gap: 8px; cursor: pointer; }
label.check input { width: auto; min-width: 0; accent-color: var(--accent); cursor: pointer; }

/* wheels: Set / Front+rear picker */
.wheels { display: flex; flex-direction: column; gap: 6px; margin: 10px 0; }
.wheels-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.wheels-head > span { color: var(--muted); font-size: .85rem; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; }
.seg button {
  font: inherit; font-size: .74rem; padding: 3px 10px; cursor: pointer;
  background: var(--panel2); color: var(--muted); border: none; border-left: 1px solid var(--border);
}
.seg button:first-child { border-left: none; }
.seg button.active { background: var(--accent); color: #1a1207; font-weight: 600; }
.wheels-indiv { display: flex; flex-direction: column; gap: 6px; }
.wheels-indiv label { margin: 0; }
.wheels[data-wheelmode="set"] .wheels-indiv { display: none; }
.wheels[data-wheelmode="indiv"] > .wheelset { display: none; }
.wheel-weights { color: var(--muted); font-size: .78rem; margin: 2px 0 0; font-variant-numeric: tabular-nums; }
label.slider output { color: var(--accent2); font-weight: 600; }
.field-note { color: var(--muted); font-size: .78rem; margin: 8px 2px 2px; line-height: 1.4; }
input[type="range"] { padding: 0; accent-color: var(--accent); cursor: pointer; }

input, select {
  background: var(--panel2);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 7px 8px;
  font-size: .95rem;
  /* keep long <option> text (e.g. helmet labels) from stretching the column */
  width: 100%;
  min-width: 0;
  max-width: 100%;
}
label.range input { width: 64px; }
input:focus, select:focus { outline: 2px solid var(--accent2); outline-offset: 0; }

.readout {
  display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: baseline;
  margin: 18px 0 4px; padding: 14px 16px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
}
.readout .big { font-size: 1.25rem; font-weight: 700; }
[data-out="cda"] { color: var(--accent); }
[data-out="mass"] { color: var(--accent2); }
[data-out="pos"] { color: var(--muted); }
.bd { flex-basis: 100%; color: var(--muted); font-size: .82rem; }
.calc { flex-basis: 100%; color: var(--muted); font-size: .82rem; }
.calc summary { cursor: pointer; color: var(--accent2); width: fit-content; }
.calc-body { white-space: pre-line; margin-top: 6px; line-height: 1.5; font-variant-numeric: tabular-nums; }

/* config cards */
#configs { display: flex; flex-direction: column; gap: 18px; }
.config {
  border: 1px solid var(--border); border-left: 4px solid var(--cfg-color, var(--accent));
  border-radius: 12px; padding: 12px 14px 14px; background: rgba(255, 255, 255, 0.015);
}
.config-head { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.config-head .swatch { width: 14px; height: 14px; border-radius: 3px; flex: none; }
.config-name { font-weight: 700; font-size: 1.05rem; }
.remove-config { margin-left: auto; }
.config .readout { margin: 14px 0 0; }

.controls-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.controls-bar button {
  font: inherit; font-weight: 600; cursor: pointer;
  padding: 8px 16px; border-radius: 8px;
  background: var(--accent); border: 1px solid var(--accent); color: #1a1207;
}
.controls-bar button:hover { filter: brightness(1.08); }
.controls-bar button:focus-visible { outline: 2px solid var(--accent2); outline-offset: 2px; }
.controls-bar button:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.controls-bar button.secondary,
button.secondary { background: var(--panel2); border-color: var(--border); color: var(--fg); }
button.secondary {
  font: inherit; font-weight: 600; cursor: pointer;
  padding: 6px 12px; border-radius: 8px; border: 1px solid var(--border);
}
.save-status { color: var(--good); font-size: .85rem; }

.error {
  margin: 10px 0; padding: 10px 14px; border-radius: 8px;
  background: #3a1d1d; border: 1px solid #6b2a2a; color: #ffb4b4;
}

.charts {
  display: grid; grid-template-columns: 1fr;  /* stacked, one per row -> larger */
  gap: 18px; margin-top: 18px;
}

.chart-box {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px 16px;
}
.chart-box h2 { font-size: 1rem; margin: 2px 0 10px; display: flex; align-items: center; gap: 8px; }
.chart-box small { color: var(--muted); font-weight: 400; }
.unit-toggle { margin-left: auto; font-size: .8rem; font-weight: 400; color: var(--muted); display: inline-flex; align-items: center; gap: 5px; }
.unit-toggle select { width: auto; min-width: 0; padding: 3px 6px; font-size: .8rem; }
/* Chart.js needs a bounded-height, position:relative container or the canvas grows
   without limit (maintainAspectRatio:false). */
.chart-wrap { position: relative; height: 460px; width: 100%; }
.chart-wrap canvas { position: absolute; inset: 0; }

footer { margin-top: 30px; color: var(--muted); font-size: .82rem; }
footer p { max-width: 80ch; }
footer em { color: var(--fg); font-style: normal; border-bottom: 1px dotted var(--muted); }

/* header link to the definitions page */
.header-links { margin: 6px 0 0; }
.header-links a { color: var(--accent2); text-decoration: none; font-size: .9rem; }
.header-links a:hover { text-decoration: underline; }

/* ---- definitions / how-it-works page ---- */
main.doc { max-width: 820px; }
main.doc .sub { max-width: none; }
.doc .back { display: inline-block; color: var(--accent2); text-decoration: none; margin-bottom: 12px; }
.doc .back:hover { text-decoration: underline; }
.doc h2 {
  font-size: 1.2rem; margin: 34px 0 10px; padding-bottom: 6px;
  border-bottom: 1px solid var(--border); color: var(--accent);
}
.doc .legend { font-size: .85rem; color: var(--muted); }
.doc dl { margin: 0; }
.doc dt { font-weight: 700; color: var(--fg); margin: 16px 0 4px; }
.doc dd { margin: 0 0 4px; color: var(--muted); max-width: 78ch; }
.doc code { background: var(--panel2); border: 1px solid var(--border); border-radius: 4px;
  padding: 1px 5px; font-size: .88em; color: var(--fg); }
.doc em { color: var(--fg); font-style: normal; }
.doc .note { color: var(--muted); font-size: .85rem; border-left: 3px solid var(--border);
  padding-left: 12px; margin: 14px 0; }
.formula {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px; overflow-x: auto; color: var(--fg); font-size: .92rem;
  border-left: 3px solid var(--accent);
}
.badge {
  display: inline-block; font-size: .68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .03em; padding: 2px 7px; border-radius: 999px; vertical-align: middle;
  white-space: nowrap;
}
.badge.real { background: rgba(63, 185, 80, 0.15); color: var(--good); border: 1px solid rgba(63,185,80,.4); }
.badge.est  { background: rgba(252, 103, 25, 0.13); color: var(--accent); border: 1px solid rgba(252,103,25,.4); }
.toc { display: flex; flex-wrap: wrap; gap: 8px 14px; margin: 8px 0 4px; }
.toc a { color: var(--accent2); text-decoration: none; font-size: .88rem;
  padding: 4px 10px; border: 1px solid var(--border); border-radius: 999px; background: var(--panel); }
.toc a:hover { border-color: var(--accent2); }
.table-wrap { overflow-x: auto; }
.doc table { border-collapse: collapse; width: 100%; font-size: .88rem; margin: 6px 0; }
.doc th, .doc td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.doc th { color: var(--accent); font-weight: 600; }
.doc td { color: var(--muted); }

/* ---- routes page ---- */
main.doc.routes { max-width: 1000px; }
.count { color: var(--accent2); }
.route-controls { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; align-items: center; }
.route-controls input[type="search"], .route-controls select { width: auto; min-width: 0; }
.route-controls input[type="search"] { flex: 1 1 200px; }
.routes-table { border-collapse: collapse; width: 100%; font-size: .9rem; }
.routes-table thead th {
  text-align: left; padding: 8px 10px; color: var(--accent); font-weight: 600;
  border-bottom: 1px solid var(--border); cursor: pointer; white-space: nowrap;
  position: sticky; top: 0; background: var(--bg); user-select: none;
}
.routes-table th.num, .routes-table td.num { text-align: right; }
.routes-table th.flags-col { cursor: default; }
.routes-table th.asc::after { content: " ▲"; font-size: .7em; color: var(--accent2); }
.routes-table th.desc::after { content: " ▼"; font-size: .7em; color: var(--accent2); }
.route-row td { padding: 8px 10px; border-bottom: 1px solid var(--border); cursor: pointer; color: var(--muted); }
.route-row:hover td { background: var(--panel); }
.route-row.open td { background: var(--panel2); }
.route-row .rname { color: var(--fg); font-weight: 600; }
.detail-row td { padding: 0 10px 12px; background: var(--panel2); border-bottom: 1px solid var(--border); }
.route-detail {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 8px 18px; padding: 12px 4px 6px; color: var(--fg); font-size: .86rem;
}
.route-detail .dl { display: block; color: var(--accent2); font-size: .68rem;
  text-transform: uppercase; letter-spacing: .03em; margin-bottom: 1px; }
.rbadge { display: inline-block; font-size: .64rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .02em; padding: 1px 6px; border-radius: 999px; }
.rbadge.ev  { background: rgba(252,103,25,.15); color: var(--accent);  border: 1px solid rgba(252,103,25,.4); }
.rbadge.tt  { background: rgba(74,168,255,.15); color: var(--accent2); border: 1px solid rgba(74,168,255,.4); }
.rbadge.run { background: rgba(63,185,80,.13); color: var(--good);     border: 1px solid rgba(63,185,80,.4); }
.rbadge.disc { background: rgba(154,167,179,.14); color: var(--muted); border: 1px solid rgba(154,167,179,.35); }
/* equipment table */
.routes-table td.ecat { color: var(--muted); font-size: .84rem; }
.routes-table td.cda { font-variant-numeric: tabular-nums; }
.routes-table td.num { font-variant-numeric: tabular-nums; }
.ecls { color: var(--muted); font-size: .82rem; }
.cda-zero { color: var(--muted); }

/* ---- ride simulation panel ---- */
.sim-panel { border: 1px solid var(--border); border-radius: 10px; background: var(--panel);
  padding: 12px 14px; margin: 6px 0 16px; }
.sim-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; margin-bottom: 10px; }
.sim-title { color: var(--accent); font-weight: 600; font-size: .95rem; }
.sim-sub { color: var(--muted); font-size: .8rem; }
.sim-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px 14px; align-items: end; }
.sim-grid label { margin: 0; }
.sim-draft { grid-column: span 2; }
.sim-draft output { color: var(--accent2); font-weight: 600; }
.sim-setup { color: var(--muted); font-size: .82rem; margin: 10px 2px 0; font-variant-numeric: tabular-nums; }
.sim-result { color: var(--fg); font-size: .9rem; margin: 2px 2px 6px; min-height: 1.2em; font-variant-numeric: tabular-nums; }
.sim-result .sim-time { color: var(--accent); font-size: 1.15rem; font-weight: 700; }
.rp-spd { fill: var(--accent2); }

/* ---- routes-table "Simulate" action + simulate page ---- */
.route-actions { margin: 10px 2px 2px; }
.sim-link { display: inline-block; padding: 7px 15px; border-radius: 8px; background: var(--accent);
  color: #1a1207; font-weight: 600; font-size: .85rem; text-decoration: none; }
.sim-link:hover { filter: brightness(1.08); }
.sim-route-pick { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; margin: 4px 0 16px; }
.sim-route-pick label { flex-direction: row; align-items: center; gap: 8px; margin: 0; color: var(--fg); font-size: .9rem; }
.sim-route-pick select { min-width: 260px; max-width: 100%; }
.sim-route-meta { color: var(--muted); font-size: .82rem; font-variant-numeric: tabular-nums; }
.sim-output { margin-top: 16px; }
.simulate .sim-result { font-size: 1rem; margin: 0 2px 10px; }
.simulate .sim-result .sim-time { font-size: 1.5rem; }

/* ---- optimal pacing panel ---- */
.pace { margin-top: 22px; border-top: 1px solid var(--border); padding-top: 16px; }
.pace-head { margin-bottom: 12px; }
.pace-title { color: var(--accent); font-weight: 600; font-size: .95rem; }
.pace-sub { display: block; color: var(--muted); font-size: .82rem; margin-top: 3px; max-width: 80ch; }
.pace-sub em { font-style: normal; color: var(--fg); }
.pace-compare { display: flex; flex-wrap: wrap; gap: 12px; }
.pace-col { flex: 1 1 220px; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px;
  display: flex; flex-direction: column; gap: 3px; }
.pace-col.opt { border-color: var(--accent); }
.pace-label { color: var(--accent2); font-size: .68rem; text-transform: uppercase; letter-spacing: .03em; }
.pace-time { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--fg); }
.pace-col.opt .pace-time { color: var(--accent); }
.pace-metrics { color: var(--muted); font-size: .8rem; font-variant-numeric: tabular-nums; }
.pace-saved { color: var(--good); font-weight: 600; text-transform: none; letter-spacing: 0; }
.pace-formula { color: var(--fg); font-size: .9rem; margin: 12px 2px 8px; }
.pace-formula b { color: var(--accent); font-variant-numeric: tabular-nums; }
.pace-chart { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 4px; }
.pace-chart svg { display: block; width: 100%; height: auto; }

/* ---- route elevation profile ---- */
.route-chart { margin: 6px 4px 8px; }
.rp-head { display: flex; align-items: center; justify-content: space-between; gap: 12px;
  flex-wrap: wrap; margin-bottom: 4px; }
.rp-title { color: var(--accent2); font-size: .68rem; text-transform: uppercase; letter-spacing: .03em; }
.rp-maxgrade { color: var(--muted); font-variant-numeric: tabular-nums; }
.rp-legend { color: var(--muted); font-size: .68rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rp-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 2px;
  vertical-align: -1px; }
.rp-body { position: relative; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 6px 4px 2px; }
.rp-body svg { display: block; width: 100%; height: auto; cursor: crosshair; }
.rp-cross { stroke: var(--fg); stroke-opacity: .4; stroke-width: 1; stroke-dasharray: 3 3; pointer-events: none; }
.rp-dot { fill: var(--accent2); stroke: var(--bg); stroke-width: 1.5; pointer-events: none; }
.rp-tip { position: absolute; top: 3px; transform: translateX(-50%); background: var(--panel2);
  border: 1px solid var(--border); color: var(--fg); font-size: .72rem; padding: 2px 8px;
  border-radius: 6px; white-space: nowrap; pointer-events: none; display: none;
  font-variant-numeric: tabular-nums; z-index: 3; }
.rp-t { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.rp-unit { fill: var(--muted); opacity: .7; }
.rp-leadin-lbl { fill: #8b98a5; font-size: 9.5px; letter-spacing: .06em; text-transform: uppercase; }
.rp-leadin-tip { color: #b3bcc6; font-weight: 600; text-transform: uppercase; font-size: .82em; letter-spacing: .04em; }
.rp-stat { fill: var(--fg); font-size: 12px; font-weight: 600; font-variant-numeric: tabular-nums; }
.rp-msg { color: var(--muted); font-size: .82rem; display: inline-block; padding: 10px 4px; }

/* ---- sprint simulation ---- */
.sprint { margin-top: 28px; }
.sprint > h2 { font-size: 1.15rem; margin: 0 0 6px; color: var(--accent); }
.sprint-intro { color: var(--muted); font-size: .85rem; max-width: 80ch; margin: 0 0 12px; }
.sprint-controls { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.sprint-controls label { flex: 1 1 130px; margin: 0; }
.sprint-table { border-collapse: collapse; width: 100%; font-size: .9rem; margin-bottom: 16px; }
.sprint-table th { text-align: left; padding: 8px 10px; color: var(--accent); font-weight: 600;
  border-bottom: 1px solid var(--border); white-space: nowrap; }
.sprint-table th.num, .sprint-table td.num { text-align: right; }
.sprint-table td { padding: 8px 10px; border-bottom: 1px solid var(--border); color: var(--fg); }
.sprint-table td.err { color: var(--accent); text-align: left; }
.swatch-sm { display: inline-block; width: 11px; height: 11px; border-radius: 3px;
  margin-right: 8px; vertical-align: middle; }
.sprint-chart { margin-top: 4px; }

/* ---- segments page ---- */
.sbadge { display: inline-block; font-size: .64rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .02em; padding: 1px 7px; border-radius: 999px; white-space: nowrap; }
.sbadge.sprint  { background: rgba(63,185,80,.14);  color: var(--good);    border: 1px solid rgba(63,185,80,.42); }
.sbadge.kom     { background: rgba(208,59,59,.15);  color: #e2622f;        border: 1px solid rgba(208,59,59,.45); }
.sbadge.climb   { background: rgba(239,159,39,.15); color: #ef9f27;        border: 1px solid rgba(239,159,39,.45); }
.sbadge.lap     { background: rgba(74,168,255,.14); color: var(--accent2); border: 1px solid rgba(74,168,255,.4); }
.sbadge.segment { background: rgba(154,167,179,.13); color: var(--muted);  border: 1px solid rgba(154,167,179,.34); }
.segments-table .pu { color: var(--accent); font-size: .8rem; margin-left: 2px; }
.seg-unnamed { color: var(--muted); font-style: italic; }
.seg-routes-wrap { padding: 4px 4px 10px; }
.seg-routes-title { color: var(--accent2); font-size: .68rem; text-transform: uppercase;
  letter-spacing: .03em; margin: 2px 0 7px; }
.seg-routes { display: flex; flex-wrap: wrap; gap: 6px; }
.seg-route { display: inline-block; font-size: .8rem; padding: 3px 9px; border-radius: 6px;
  background: var(--panel2); border: 1px solid var(--border); color: var(--fg); text-decoration: none; }
.seg-route:hover { border-color: var(--accent2); color: var(--accent2); }

/* ---- route-page: segments in a route (expand) ---- */
.route-segs { margin: 6px 4px 2px; }
.route-segs-title { color: var(--accent2); font-size: .68rem; text-transform: uppercase;
  letter-spacing: .03em; margin: 10px 0 7px; }
.route-segs-list { display: flex; flex-direction: column; gap: 0; }
.route-seg { display: grid; grid-template-columns: 3.4em 1fr auto auto; gap: 10px;
  align-items: center; padding: 6px 8px; border-bottom: 1px solid var(--border); font-size: .84rem;
  cursor: pointer; }
.route-seg:hover { background: var(--panel2); }
.route-seg:hover .rs-name { color: var(--accent2); }
.route-seg:focus-visible { outline: 2px solid var(--accent2); outline-offset: -2px; border-radius: 4px; }
.route-seg .rs-at { color: var(--muted); font-variant-numeric: tabular-nums; font-size: .78rem; }
.route-seg .rs-name { color: var(--fg); font-weight: 600; }
.route-seg .rs-meta { color: var(--muted); font-size: .78rem; font-variant-numeric: tabular-nums; }
.route-seg .pu { color: var(--accent); }
.route-segs-none { color: var(--muted); font-size: .84rem; padding: 4px 8px; }

/* ---- segment bands toggle on the elevation profile ---- */
.seg-toggle-l { display: inline-flex; align-items: center; gap: 5px; margin: 0;
  color: var(--muted); font-size: .68rem; text-transform: uppercase; letter-spacing: .03em;
  cursor: pointer; white-space: nowrap; user-select: none; }
.seg-toggle-l input { width: auto; min-width: 0; margin: 0; accent-color: var(--accent); cursor: pointer; }
.rp-tip .rp-seg { font-weight: 700; }

/* ---- click-to-copy id chips (route id / segment id / world id) ---- */
.idcopy { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8rem;
  background: var(--panel2); border: 1px solid var(--border); border-radius: 5px;
  padding: 1px 6px; color: var(--fg); cursor: pointer; white-space: nowrap; user-select: all; }
.idcopy:hover { border-color: var(--accent2); color: var(--accent2); }
.idcopy.copied { border-color: var(--good); color: var(--good); }
.seg-route-row { display: inline-flex; align-items: center; gap: 5px; }
.seg-routes-hint { color: var(--muted); font-size: .62rem; text-transform: none; letter-spacing: 0; font-weight: 400; }

/* ---- modal (full segment detail, opened from a route's segment list) ---- */
.modal-open { overflow: hidden; }
.modal-overlay { position: fixed; inset: 0; z-index: 50; background: rgba(6, 9, 12, .66);
  display: flex; align-items: flex-start; justify-content: center; padding: 6vh 16px;
  overflow-y: auto; animation: modal-fade .12s ease-out; }
.modal-card { position: relative; width: 100%; max-width: 560px; background: var(--panel);
  border: 1px solid var(--border); border-radius: 12px; padding: 18px 18px 14px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .5); }
.modal-close { position: absolute; top: 8px; right: 10px; width: 30px; height: 30px; padding: 0;
  margin: 0; background: none; border: none; color: var(--muted); font-size: 1.5rem; line-height: 1;
  cursor: pointer; border-radius: 6px; }
.modal-close:hover { color: var(--fg); background: var(--panel2); }
.modal-head { display: flex; align-items: center; gap: 10px; margin: 0 34px 12px 0; }
.modal-title { margin: 0; font-size: 1.05rem; color: var(--fg); }
.modal-body .route-detail { margin-top: 0; }
@keyframes modal-fade { from { opacity: 0; } to { opacity: 1; } }

/* ---------- searchable combobox (combobox.js) ---------- */
.cbx { position: relative; display: block; width: 100%; }
.cbx-native { display: none; }
.cbx-trigger {
  width: 100%; display: flex; align-items: center; gap: 8px; text-align: left; cursor: pointer;
  background: var(--panel2); color: var(--fg); border: 1px solid var(--border);
  border-radius: 7px; padding: 7px 8px; font-size: .95rem;
}
.cbx-trigger:focus { outline: 2px solid var(--accent2); outline-offset: 0; }
.cbx-open .cbx-trigger { border-color: var(--accent2); }
.cbx-name { flex: 1; min-width: 0; display: flex; align-items: center; gap: 6px; overflow: hidden; }
.cbx-tn { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cbx-name .cbx-badge { flex: none; }
.cbx-chev { flex: none; width: 0; height: 0; margin-left: 2px;
  border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 5px solid var(--muted); }

.cbx-pop {
  position: absolute; left: 0; z-index: 60; width: 380px; min-width: 100%;
  background: var(--panel); border: 1px solid var(--border); border-radius: 9px;
  padding: 8px; box-shadow: 0 12px 34px rgba(0, 0, 0, .5);
}
@media (max-width: 520px) { .cbx-pop { width: auto; right: 0; } } /* fill the field on phones */
.cbx-search { position: relative; margin-bottom: 8px; }
.cbx-search .cbx-q { padding-left: 28px; }
.cbx-search-i { position: absolute; left: 9px; top: 50%; margin-top: -6px; width: 11px; height: 11px;
  border: 1.5px solid var(--muted); border-radius: 50%; pointer-events: none; }
.cbx-search-i::after { content: ""; position: absolute; right: -4px; bottom: -3px; width: 5px; height: 1.5px;
  background: var(--muted); transform: rotate(45deg); }

.cbx-pills { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-bottom: 4px; }
.cbx-lbl { color: var(--muted); font-size: .7rem; }
.cbx-gap { width: 6px; }
.cbx-pill { font-size: .78rem; padding: 3px 9px; border-radius: 6px; border: 1px solid var(--border);
  background: transparent; color: var(--muted); cursor: pointer; }
.cbx-pill:hover { border-color: var(--accent2); color: var(--fg); }
.cbx-pill.on { background: var(--accent); color: #1a1207; border-color: var(--accent); font-weight: 600; }

.cbx-meta { display: flex; padding: 3px 8px 2px; }
.cbx-count { color: var(--muted); font-size: .7rem; }
.cbx-list { max-height: 300px; overflow-y: auto; margin-top: 2px; }

.cbx-row { display: flex; align-items: center; gap: 8px; width: 100%; text-align: left; cursor: pointer;
  background: transparent; border: none; color: var(--fg); padding: 6px 8px; border-radius: 6px; font-size: .9rem; }
.cbx-row:hover, .cbx-row.hi { background: var(--panel2); }
.cbx-row.sel { background: rgba(252, 103, 25, .16); }
.cbx-rn { flex: 1; min-width: 0; display: flex; align-items: center; gap: 7px; }
.cbx-rnm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cbx-badge { flex: none; font-size: .66rem; border: 1px solid var(--border); color: var(--muted);
  border-radius: 5px; padding: 0 5px; text-transform: uppercase; letter-spacing: .03em; }
.cbx-c { flex: none; min-width: 48px; text-align: right; color: var(--muted); font-size: .8rem;
  font-variant-numeric: tabular-nums; white-space: nowrap; }
.cbx-c.bar-c { min-width: 84px; display: flex; align-items: center; justify-content: flex-end; gap: 6px; }
.cbx-bar { flex: none; width: 30px; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.cbx-bar i { display: block; height: 100%; background: var(--accent); }
.cbx-gh { font-size: .66rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em;
  padding: 9px 8px 3px; }
.cbx-empty { padding: 16px 8px; color: var(--muted); font-size: .9rem; }