:root {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ef;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.10);
  --accent: #2e2340;      /* brand accent: buttons, active tab, links */
  --accent-ink: #2e2340;  /* accent used as text/lines */
  --on-accent: #ffffff;
  --brand-navy: #222960;
  --s1: #2a78d6; /* Ambassador */
  --s2: #eb6834; /* Tunnel */
  --s3: #1baf7a; /* Gordie Howe */
  --good: #0ca30c; --warning: #fab219; --serious: #ec835a; --critical: #d03b3b;
  --good-ink: #006300; --warning-ink: #8a5a00; --serious-ink: #a8431a; --critical-ink: #b02a2a;
  --nodata: repeating-linear-gradient(45deg, #ecebe6 0 4px, #f6f5f2 4px 8px);
  --nodata-line: #b9b8b1;
  --nodata-cell: #ecebe6;
  --shadow: 0 1px 2px rgba(0,0,0,.04);
  --radius: 12px;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
    --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
    --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10);
    --accent: #4a3a78; --accent-ink: #b9adf0; --on-accent: #ffffff; --s1: #3987e5; --s2: #d95926; --s3: #199e70;
    --good-ink: #0ca30c; --warning-ink: #fab219; --serious-ink: #ec835a; --critical-ink: #e66767;
    --nodata: repeating-linear-gradient(45deg, #232321 0 4px, #1d1d1c 4px 8px);
    --nodata-line: #5a5955;
    --nodata-cell: #262624;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d; --surface: #1a1a19; --surface-2: #232321;
  --ink: #ffffff; --ink-2: #c3c2b7; --muted: #898781;
  --grid: #2c2c2a; --axis: #383835; --border: rgba(255, 255, 255, 0.10);
  --accent: #4a3a78; --accent-ink: #b9adf0; --on-accent: #ffffff; --s1: #3987e5; --s2: #d95926; --s3: #199e70;
  --good-ink: #0ca30c; --warning-ink: #fab219; --serious-ink: #ec835a; --critical-ink: #e66767;
  --nodata: repeating-linear-gradient(45deg, #232321 0 4px, #1d1d1c 4px 8px);
  --nodata-line: #5a5955;
  --nodata-cell: #262624;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--page); color: var(--ink); font-size: 14px; line-height: 1.45; }
h1, h2, h3, p { margin: 0; }
button, input, select { font: inherit; color: inherit; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.err { color: var(--critical-ink); margin-top: 8px; }

.top {
  display: grid; grid-template-columns: auto 1fr auto; grid-template-areas: "brand status actions" "nav nav nav";
  gap: 10px 20px; align-items: center;
  padding: 14px clamp(16px, 4vw, 40px) 0; max-width: 1360px; margin: 0 auto 18px;
}
.brand { grid-area: brand; display: inline-flex; align-items: center; }
.logo { height: 46px; width: auto; display: block; }
.logo-dark { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .logo-light { display: none; }
  :root:not([data-theme="light"]) .logo-dark { display: block; }
}
:root[data-theme="dark"] .logo-light { display: none; }
:root[data-theme="dark"] .logo-dark { display: block; }
.top-status { grid-area: status; display: flex; gap: 6px 14px; align-items: center; flex-wrap: wrap; color: var(--ink-2); font-size: 13px; }
.countdown { display: inline-flex; align-items: center; gap: 6px; font-variant-numeric: tabular-nums; color: var(--ink); font-weight: 550; }
.countdown .ring { width: 14px; height: 14px; border-radius: 50%;
  background: conic-gradient(var(--accent-ink) calc(var(--p, 0) * 1turn), var(--surface-2) 0); box-shadow: inset 0 0 0 1px var(--border); }
.top-actions { grid-area: actions; display: flex; gap: 8px 10px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.user { color: var(--ink-2); font-size: 13px; padding-left: 4px; }
.tabs { grid-area: nav; display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--border); }
.tab { padding: 8px 12px; color: var(--ink-2); text-decoration: none; border-bottom: 2px solid transparent; margin-bottom: -1px; font-weight: 550; white-space: nowrap; }
.tab:hover { color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--accent-ink); }
@media (max-width: 900px) {
  .top { grid-template-columns: 1fr; grid-template-areas: "brand" "status" "actions" "nav"; }
  .top-actions { justify-content: flex-start; }
  .logo { height: 40px; }
}
a { color: var(--accent-ink); }
.sub { color: var(--ink-2); margin-top: 2px; }

main { max-width: 1360px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 40px) 40px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; }
.section-h { font-size: 15px; font-weight: 650; margin-bottom: 10px; }
.section-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px 16px; margin-bottom: 10px; }
.section-row .section-h { margin: 0; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }

.btn {
  border: 1px solid transparent; background: var(--accent); color: var(--on-accent); border-radius: 8px;
  padding: 6px 12px; cursor: pointer; font-weight: 600;
}
.btn:hover { filter: brightness(1.12); }
.btn.ghost { background: var(--surface); color: var(--ink); border-color: var(--border); }
.btn.ghost:hover { filter: none; }
.btn.danger { color: var(--critical-ink); }
.btn.ghost:hover { background: var(--surface-2); }
.btn:disabled { opacity: .5; cursor: default; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--surface); }
.seg button { border: 0; background: transparent; padding: 5px 10px; cursor: pointer; color: var(--ink-2); }
.seg button + button { border-left: 1px solid var(--border); }
.seg button[aria-pressed="true"] { background: var(--surface-2); color: var(--ink); font-weight: 650; }
.select { display: inline-flex; gap: 6px; align-items: center; color: var(--ink-2); }
.select select { border: 1px solid var(--border); border-radius: 8px; background: var(--surface); padding: 5px 8px; }
.filters { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; }

.notice { background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent-ink); border-radius: 8px; padding: 10px 14px; color: var(--ink-2); }

/* Live cards */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 360px), 1fr)); gap: 16px; }
.xcard { padding: 16px; display: grid; gap: 12px; }
.xcard-h { display: flex; align-items: center; gap: 10px; justify-content: space-between; }
.xcard-h h3 { font-size: 15px; font-weight: 650; display: flex; align-items: center; gap: 8px; }
.swatch { width: 10px; height: 10px; border-radius: 3px; flex: none; }
.dirs { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.dir { background: var(--surface-2); border-radius: 10px; padding: 12px; display: grid; gap: 6px; align-content: start; min-width: 0; }
.dir-h { font-weight: 600; font-size: 13px; }
.dir-h .muted { font-weight: 400; display: block; font-size: 12px; }
.hero { display: flex; align-items: baseline; gap: 4px; }
.hero .num { font-size: 34px; font-weight: 650; letter-spacing: -0.02em; line-height: 1.05; }
.hero .unit { color: var(--ink-2); font-size: 13px; }
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; }
.status .ico { width: 10px; height: 10px; flex: none; }
.s-good { color: var(--good-ink); } .s-good .ico { background: var(--good); border-radius: 50%; }
.s-warning { color: var(--warning-ink); } .s-warning .ico { background: var(--warning); clip-path: polygon(50% 0, 100% 100%, 0 100%); }
.s-serious { color: var(--serious-ink); } .s-serious .ico { background: var(--serious); transform: rotate(45deg) scale(.85); }
.s-critical { color: var(--critical-ink); } .s-critical .ico { background: var(--critical); }
.s-none { color: var(--muted); } .s-none .ico { border: 1.5px solid var(--muted); border-radius: 50%; }
.facts { display: grid; grid-template-columns: auto 1fr; gap: 2px 10px; margin: 4px 0 0; font-size: 12.5px; }
.facts dt { color: var(--ink-2); }
.facts dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; font-weight: 550; }
.facts .total { color: var(--ink); font-weight: 700; border-top: 1px solid var(--border); padding-top: 3px; margin-top: 2px; }
.prov { font-size: 11.5px; color: var(--muted); }
.badge { font-size: 11.5px; font-weight: 600; border-radius: 999px; padding: 2px 8px; background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.badge.alert { color: var(--critical-ink); }
@media (max-width: 420px) { .dirs { grid-template-columns: 1fr; } }

/* Map */
.map-card { overflow: hidden; position: relative; }
#map { height: 380px; }
.map-legend { position: absolute; left: 12px; top: 12px; max-width: calc(100% - 70px); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; display: flex; gap: 12px; flex-wrap: wrap; font-size: 12px; }
.map-legend span { display: inline-flex; gap: 6px; align-items: center; }
.map-legend i { width: 18px; height: 4px; border-radius: 2px; display: inline-block; }
.maplibregl-popup-content { background: var(--surface); color: var(--ink); border-radius: 8px; font-size: 12.5px; }
.maplibregl-popup-tip { border-top-color: var(--surface) !important; border-bottom-color: var(--surface) !important; }

/* Incidents */
.incidents { display: grid; gap: 8px; }
.inc { display: grid; grid-template-columns: auto 1fr auto; gap: 4px 12px; padding: 10px 14px; align-items: start; }
.inc-cat { font-weight: 650; font-size: 13px; }
.inc-desc { color: var(--ink-2); grid-column: 2; }
.inc-meta { font-size: 12px; color: var(--muted); text-align: right; white-space: nowrap; }
.empty { padding: 14px; color: var(--muted); }
details.more summary { cursor: pointer; color: var(--ink-2); padding: 4px 0; }

/* Charts */
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0 0 8px; font-size: 13px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 16px; height: 2px; border-radius: 1px; display: inline-block; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 520px), 1fr)); gap: 16px; }
figure { margin: 0; }
.chart-card { padding: 12px 14px 8px; }
.chart-card figcaption { font-weight: 600; font-size: 13px; margin-bottom: 4px; }
.chart { height: 220px; position: relative; transition: opacity .2s; }
.chart.loading { opacity: .5; }
.chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.chart .grid line { stroke: var(--grid); stroke-width: 1; }
.chart .axis text { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart .baseline { stroke: var(--axis); }
.chart .series path { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .cross { stroke: var(--ink-2); stroke-width: 1; }
.chart .dot { stroke: var(--surface); stroke-width: 2; }
.chart .inc-tick { stroke: var(--critical); stroke-width: 2; }
.chart .nodata { fill: var(--muted); font-size: 12px; }

.tooltip { position: fixed; z-index: 50; pointer-events: none; background: var(--surface); color: var(--ink); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; box-shadow: 0 4px 16px rgba(0,0,0,.12); font-size: 12px; min-width: 140px; }
.tooltip .tt-h { color: var(--ink-2); margin-bottom: 4px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 8px; }
.tooltip .tt-row i { width: 12px; height: 2px; display: inline-block; }
.tooltip .tt-row b { font-variant-numeric: tabular-nums; }

/* Heatmap */
.heatmap { display: grid; grid-template-columns: 40px repeat(24, minmax(0, 1fr)); gap: 2px; font-size: 11px; }
.heatmap .hl { color: var(--muted); display: flex; align-items: center; }
.heatmap .hh { color: var(--muted); text-align: center; }
.heatmap .cell { aspect-ratio: 1.6; border-radius: 3px; min-width: 0; outline-offset: 1px; }
@media (max-width: 600px) { .heatmap { grid-template-columns: 30px repeat(24, minmax(0, 1fr)); gap: 1px; } .heatmap .cell { aspect-ratio: 0.8; border-radius: 2px; } }
.heatmap .cell:hover, .heatmap .cell:focus { outline: 2px solid var(--ink); }
.heatmap .cell.none { background: var(--nodata); }
.heat-legend { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: 12px; color: var(--ink-2); flex-wrap: wrap; }
.heat-legend .ramp { display: flex; }
.heat-legend .ramp i { width: 22px; height: 10px; display: block; }
.heat-legend .ramp i:first-child { border-radius: 3px 0 0 3px; } .heat-legend .ramp i:last-child { border-radius: 0 3px 3px 0; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--ink-2); font-weight: 600; font-size: 12px; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

/* Admin */
dialog { border: 1px solid var(--border); border-radius: 14px; background: var(--surface); color: var(--ink); padding: 18px 20px; width: min(920px, calc(100vw - 32px)); max-height: calc(100vh - 48px); }
dialog::backdrop { background: rgba(0,0,0,.35); }
.admin-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.admin-head h2 { font-size: 17px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row input[type=password] { flex: 1; min-width: 200px; border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; background: var(--surface); }
.admin-actions { margin-bottom: 12px; }
.admin-table td { vertical-align: middle; }
.admin-table .pname { font-weight: 600; }
.admin-table .kind { font-size: 11.5px; color: var(--muted); display: block; font-weight: 400; }
.admin-table .health { font-size: 12px; color: var(--ink-2); max-width: 260px; }
.admin-table .health .e { color: var(--critical-ink); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 260px; }
.admin-table .xs { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 12px; }
.admin-table label { display: inline-flex; gap: 4px; align-items: center; cursor: pointer; }
.admin-table select { border: 1px solid var(--border); border-radius: 6px; background: var(--surface); padding: 3px 6px; }
.switch { appearance: none; width: 34px; height: 20px; border-radius: 999px; background: var(--axis); position: relative; cursor: pointer; transition: background .15s; }
.switch::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .15s; }
.switch:checked { background: var(--good); }
.switch:checked::after { transform: translateX(14px); }
tr.off td:not(:nth-child(2)) { opacity: .55; }

.foot { font-size: 12px; padding-top: 8px; border-top: 1px solid var(--border); }

/* Overview: featured crossing */
.cards.two { grid-template-columns: repeat(auto-fit, minmax(min(100%, 420px), 1fr)); margin-top: 16px; }
.xcard-h h3 a { color: var(--ink); text-decoration: none; }
.xcard-h h3 a:hover { text-decoration: underline; }
.xcard-h .row { gap: 8px; }
.xcard.featured { border-color: color-mix(in srgb, var(--accent-ink) 45%, var(--border)); }
.xcard.featured h3 { font-size: 18px; }
.dir.big .hero .num { font-size: 44px; }
a.btn { text-decoration: none; display: inline-block; }

/* Crossing page */
.crossing-head { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: end; justify-content: space-between; }
.crossing-head h1 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; }
.dirs-big { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); gap: 16px; }
.dir-panel { padding: 16px 18px; display: grid; gap: 8px; align-content: start; }
.dir-panel .dir-h { display: flex; align-items: baseline; gap: 8px; font-size: 14px; font-weight: 650; }
.dir-panel .dir-h .muted { display: inline; font-weight: 400; }
.dir-key { width: 10px; height: 10px; border-radius: 3px; align-self: center; }
.dir-panel .hero { gap: 10px; align-items: center; }
.dir-panel .hero .num { font-size: 52px; }
.facts.wide { font-size: 13.5px; gap: 4px 16px; }
.strong { font-weight: 700 !important; }
.map-card.big #map { height: min(62vh, 560px); min-height: 360px; }
.replay { display: flex; align-items: center; gap: 10px; padding: 10px 14px; margin-top: 10px; }
.replay input[type=range] { flex: 1; accent-color: var(--accent-ink); min-width: 0; }
.replay-label { font-variant-numeric: tabular-nums; min-width: 120px; color: var(--ink-2); font-size: 13px; }
.seg-table tr.group th { background: var(--surface-2); color: var(--ink); font-size: 12.5px; }
.seg-table tr.seg-row { cursor: pointer; }
.seg-table tr.seg-row:hover td, .seg-table tr.seg-row:focus td { background: var(--surface-2); }
.seg-table td.num, .seg-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.bar { height: 8px; border-radius: 4px; background: var(--surface-2); width: 120px; display: inline-block; vertical-align: middle; overflow: hidden; margin-right: 8px; }
.bar i { display: block; height: 100%; border-radius: 4px; }
.bar-l { font-size: 12px; color: var(--ink-2); white-space: nowrap; }
.timespace { display: grid; grid-template-columns: minmax(120px, 280px) minmax(0, 1fr); gap: 0 10px; transition: opacity .2s; }
.timespace.loading { opacity: .5; }
.timespace .empty { grid-column: 1 / -1; }
.ts-labels { font-size: 11.5px; color: var(--ink-2); min-width: 0; }
.ts-labels .ts-row { line-height: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ts-labels .ts-head { line-height: 20px; font-weight: 650; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ts-canvas { min-width: 0; }
.ts-canvas canvas { display: block; }
@media (max-width: 600px) { .timespace { grid-template-columns: 110px minmax(0, 1fr); } .dir-panel .hero .num { font-size: 40px; } }
.map-legend.inline { position: static; border: 0; padding: 10px 0 0; background: none; max-width: none; }

/* Live travel-time table (overview) */
.tt-table th, .tt-table td { padding: 10px 14px; }
.tt-table thead th { white-space: nowrap; }
.tt-table tbody th { font-weight: 650; vertical-align: middle; white-space: nowrap; }
.tt-table tbody th a { color: var(--ink); text-decoration: none; }
.tt-table tbody th a:hover { text-decoration: underline; }
.tt-table tr.first td, .tt-table tr.first th { border-top: 1px solid var(--axis); }
.tt-table tr.main th, .tt-table tr.main td { background: color-mix(in srgb, var(--accent-ink) 6%, transparent); }
.tt-table td.num, .tt-table th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.tt-table .strong { font-weight: 700; }

/* Source 1/2/3 on crossing panels */
.sources { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 4px; }
.source { background: var(--surface-2); border-radius: 8px; padding: 8px 10px; display: grid; gap: 2px; min-width: 0; }
.source-n { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); }
.source-n i { width: 12px; height: 2px; border-radius: 1px; display: inline-block; }
.source b { font-size: 17px; font-variant-numeric: tabular-nums; }
.source-st { font-size: 11.5px; font-weight: 600; }
.source-st.s-none { color: var(--muted); }

/* Admin: tabs, users, cost warning */
.admin-tabs { margin-bottom: 8px; }
.admin-msg { min-height: 1.4em; margin: 4px 0 8px; }
.admin-table td.warn { color: var(--critical-ink); font-weight: 650; }
.user-create { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.user-create input, .user-create select, .pw-input { border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; background: var(--surface); min-width: 0; }
.user-create input { flex: 1 1 160px; }
.user-actions { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.pw-input { width: 170px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
dialog .admin-head h2 { font-size: 18px; }

/* Sign-in page */
.login-page { min-height: 100vh; display: grid; place-items: center; }
.login { width: min(380px, calc(100vw - 32px)); display: grid; gap: 16px; justify-items: center; padding: 32px 0; }
.login .logo { height: auto; width: min(300px, 80vw); }
.login h1 { font-size: 16px; font-weight: 600; color: var(--ink-2); }
.login-card { width: 100%; padding: 20px; display: grid; gap: 14px; }
.login-card label { display: grid; gap: 6px; font-weight: 600; font-size: 13px; color: var(--ink-2); }
.login-card input { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; background: var(--surface); font-size: 15px; }
.login-card input:focus { outline: 2px solid var(--accent-ink); outline-offset: 1px; }
.btn.primary { padding: 11px 14px; font-size: 15px; }
.source.off { opacity: .55; }