:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #eef2f6;
  --border: #d7dee6;
  --text: #13202d;
  --muted: #5b6b7b;
  --accent: #0284c7;
  --accent-ink: #ffffff;
  --danger: #c2410c;
  --ok: #15803d;
  --scene: #0b1520;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1218;
    --surface: #121c25;
    --surface-2: #182531;
    --border: #253545;
    --text: #e5edf4;
    --muted: #8da0b2;
    --accent: #38bdf8;
    --accent-ink: #062033;
    --danger: #fb923c;
    --ok: #4ade80;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1218; --surface: #121c25; --surface-2: #182531; --border: #253545;
  --text: #e5edf4; --muted: #8da0b2; --accent: #38bdf8; --accent-ink: #062033;
  --danger: #fb923c; --ok: #4ade80; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex; flex-direction: column;
}
a { color: var(--accent); }
h1 { font-size: 1.35rem; margin: 0 0 .25rem; }
h2 { font-size: 1.05rem; margin: 0; }
.muted { color: var(--muted); }
.error { color: var(--danger); margin: .5rem 0 0; }
button, input, select { font: inherit; color: inherit; }
button {
  border: 1px solid var(--border); background: var(--surface-2); border-radius: 8px;
  padding: .45rem .8rem; cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
button:disabled { opacity: .6; cursor: progress; }
input {
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: .45rem .6rem;
  min-width: 0;
}
input:focus-visible, button:focus-visible, summary:focus-visible, a:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

.topbar {
  display: flex; align-items: center; gap: 1rem; padding: .6rem 16px;
  border-bottom: 1px solid var(--border); background: var(--surface);
}
.brand { display: flex; align-items: center; gap: .5rem; font-weight: 700; color: var(--text); text-decoration: none; white-space: nowrap; flex-shrink: 0; }
.brand svg { width: 26px; height: 26px; fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; }
#crumbs { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
main { flex: 1; min-height: 0; }

.home { max-width: 1100px; margin: 0 auto; padding: 20px 16px 48px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.add .row { display: flex; gap: .5rem; margin-top: .75rem; }
.add .row input { flex: 1; }
details { margin-top: .75rem; }
summary { cursor: pointer; color: var(--muted); }
.options { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: .75rem; margin-top: .75rem; }
.options label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); }
.options .upload { grid-column: 1 / -1; }

.list-head { display: flex; align-items: baseline; gap: .75rem; margin: 28px 0 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column; color: var(--text); text-decoration: none;
  position: relative;
}
.card:has(a.card-main:hover) { border-color: var(--accent); }
.card-main { display: flex; flex-direction: column; color: inherit; text-decoration: none; }
.source { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 8px; padding: 0 12px 12px; font-size: .8rem; }
.source a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%; }
.side .source { padding: 6px 0 0; }
button.small { padding: .15rem .5rem; font-size: .78rem; }
.card .thumb { aspect-ratio: 16 / 9; background: var(--surface-2) center / cover no-repeat; display: grid; place-items: center; color: var(--muted); }
.card .body { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 4px; }
.card .title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card .stats { font-size: .85rem; color: var(--muted); }
.card .delete {
  position: absolute; top: 8px; right: 8px; padding: .1rem .5rem; background: rgb(0 0 0 / .55);
  color: #fff; border: none; font-size: .8rem;
}
.status { font-size: .8rem; font-weight: 600; text-transform: capitalize; }
.status.done { color: var(--ok); }
.status.error { color: var(--danger); }
.bar { height: 4px; border-radius: 2px; background: var(--surface-2); overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--accent); transition: width .4s; }
.empty { padding: 32px; text-align: center; color: var(--muted); border: 1px dashed var(--border); border-radius: var(--radius); }

/* Viewer */
.viewer { display: grid; grid-template-columns: minmax(0, 1fr) 360px; height: 100%; }
.stage { position: relative; background: var(--scene); min-height: 0; }
.stage canvas { display: block; width: 100%; height: 100%; }
.overlay {
  position: absolute; left: 12px; top: 12px; display: flex; flex-direction: column; gap: 6px;
  color: #dbe7f1; font-size: .8rem; pointer-events: none;
}
.overlay .clock { font: 600 1.4rem/1 ui-monospace, "Cascadia Mono", Menlo, monospace; }
.loading { position: absolute; inset: 0; display: grid; place-items: center; color: #dbe7f1; }
.side {
  border-left: 1px solid var(--border); background: var(--surface); overflow-y: auto;
  display: flex; flex-direction: column; min-height: 0;
}
.side section { padding: 12px 14px; border-bottom: 1px solid var(--border); }
.side video { width: 100%; border-radius: 8px; background: #000; display: block; }
.video-wrap { position: relative; }
.trace-overlay { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.closeup { width: 100%; aspect-ratio: 16 / 9; border-radius: 8px; background: #000; display: block; margin-top: 6px; }
.side h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 0 0 .5rem; }
.controls { display: grid; grid-template-columns: auto 1fr; gap: .4rem .75rem; align-items: center; font-size: .85rem; }
.controls input[type=range] { width: 100%; accent-color: var(--accent); }
.toggles { display: flex; flex-wrap: wrap; gap: .4rem .9rem; font-size: .85rem; margin-top: .6rem; }
.toggles label { display: flex; align-items: center; gap: .3rem; }
.rides { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.rides button {
  width: 100%; display: grid; grid-template-columns: auto 1fr auto; gap: .6rem; align-items: center;
  text-align: left; background: var(--surface-2);
}
.rides button[aria-pressed="true"] { border-color: var(--accent); box-shadow: inset 3px 0 0 var(--accent); }
.rides .rank { font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.rides .detail { font-size: .8rem; color: var(--muted); }
.rides a { font-size: .8rem; }
.meta-line { font-size: .8rem; color: var(--muted); }

@media (max-width: 860px) {
  .viewer { grid-template-columns: 1fr; grid-template-rows: 55vh auto; height: auto; }
  .side { border-left: none; border-top: 1px solid var(--border); }
  .add .row { flex-direction: column; }
}

/* Labelling rounds */
.nav-link { margin-left: auto; font-size: .9rem; white-space: nowrap; }
.label-page { max-width: 820px; }
.label-card { max-width: 520px; margin: 24px auto; padding: 0 16px; }
.label-head { background: var(--accent); color: var(--accent-ink); border-radius: var(--radius) var(--radius) 0 0; padding: 14px 16px; }
.label-head h1 { font-size: 1.1rem; margin: 0 0 4px; }
.label-head p { margin: 0; font-size: .85rem; opacity: .9; }
.label-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 4px; background: var(--surface); border: 1px solid var(--border); border-top: none; }
.label-tile { position: relative; padding: 0; border: none; border-radius: 0; aspect-ratio: 1; overflow: hidden; background: #000; cursor: pointer; }
.label-tile img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .12s; }
.label-tile[aria-pressed="true"] img { transform: scale(.86); }
.label-target { position: absolute; left: 33%; top: 33%; width: 34%; height: 34%; border: 2px dashed rgb(255 255 255 / .85); box-shadow: 0 0 0 1px rgb(0 0 0 / .35); pointer-events: none; }
.label-check { position: absolute; top: 6px; left: 6px; width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: var(--accent-ink); display: none; place-items: center; font-weight: 700; font-size: 14px; }
.label-tile[aria-pressed="true"] .label-check { display: grid; }
.label-tile:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
.label-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; padding: 10px 4px; }
.label-status { margin: 0 auto 0 0; font-size: .85rem; color: var(--muted); }
.label-note { font-size: .8rem; text-align: center; }

/* Watch page: player, controls, close-up */
.watch { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 16px; padding: 16px; max-width: 1500px; margin: 0 auto; }
.watch-main { min-width: 0; }
.screen { position: relative; width: 100%; background: #000; border-radius: 10px; overflow: hidden; cursor: pointer; }
.screen video, .screen .layer { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.screen video { object-fit: contain; }
.screen .layer { pointer-events: none; }
.player-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 10px 0 6px; }
.play { width: 44px; height: 36px; font-size: 14px; }
.timeline { position: relative; flex: 1 1 260px; display: flex; align-items: center; padding-top: 10px; }
.seek { width: 100%; accent-color: var(--accent); margin: 0; }
.markers { position: absolute; left: 0; right: 0; top: 0; height: 8px; }
.marker { position: absolute; top: 0; height: 8px; min-width: 5px; padding: 0; border: none; border-radius: 2px; background: #ff3b5c; cursor: pointer; }
.marker:hover, .marker:focus-visible { background: #ff7088; }
.clock { font: 600 .9rem/1 ui-monospace, "Cascadia Mono", Menlo, monospace; font-variant-numeric: tabular-nums; white-space: nowrap; }
.player-options { display: flex; gap: 12px; align-items: center; font-size: .85rem; }
.check { display: flex; align-items: center; gap: 5px; }
.watch-side { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.watch-side section { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; }
.watch-side h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 0 0 .5rem; }
.closeup-label { font-size: .85rem; font-weight: 600; margin-bottom: 8px; }
@media (max-width: 900px) { .watch { grid-template-columns: 1fr; padding: 12px; } }

.analysis { margin-top: 8px; font-size: .82rem; }
.analysis summary { cursor: pointer; color: var(--muted); }
.analysis dl { display: grid; grid-template-columns: max-content 1fr; gap: 3px 14px; margin: 8px 0 0; }
.analysis dt { color: var(--muted); }
.analysis dd { margin: 0; }
.downloads { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; font-size: .8rem; }
.downloads .full { font-size: .72rem; color: var(--muted); }
.closeup-label { display: flex; justify-content: space-between; gap: 8px; align-items: baseline; }
.closeup-download { font-size: .8rem; font-weight: 500; white-space: nowrap; }
.badge { display: inline-block; margin-right: 6px; padding: 1px 7px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: .7rem; font-weight: 700; vertical-align: 1px; }
.closeup-actions { display: flex; align-items: center; gap: 8px; }
.closeup-clear { line-height: 1; padding: .1rem .45rem; }
.confidence { display: inline-block; margin-left: 6px; padding: 0 6px; border-radius: 999px; font-size: .7rem; font-weight: 600; vertical-align: 1px; }
.confidence.likely { background: color-mix(in srgb, var(--ok) 22%, transparent); color: var(--ok); }
.confidence.possible { background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent); }
.confidence.doubtful { background: var(--surface-2); color: var(--muted); }
.confidence.reviewed { background: var(--accent); color: var(--accent-ink); }

/* Help train: tabs, ride rounds, feedback */
.tabs { display: flex; gap: 6px; margin: 4px 0 10px; }
.tab[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.label-card.wide { max-width: 760px; }
.ride-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 10px; padding: 10px; background: var(--surface); border: 1px solid var(--border); border-top: none; }
.ride-item { display: flex; flex-direction: column; gap: 8px; }
.ride-canvas { width: 100%; aspect-ratio: 16 / 9; background: #000; border-radius: 6px; display: block; }
.ride-choices { display: flex; gap: 6px; flex-wrap: wrap; }
.ride-choices button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.feedback { min-height: 1.2em; font-size: .85rem; color: var(--ok); margin: 0; }
.model-line { font-size: .8rem; margin-top: -6px; }
.admin { margin-top: 18px; font-size: .8rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ride-view { position: relative; }
.ride-source { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

/* Support page */
.support { max-width: 640px; }
.support .goal { font-weight: 700; color: var(--accent); margin: 0 0 .5rem; }
.support .fine { font-size: .8rem; }
a.button { display: inline-block; padding: .55rem 1.1rem; border-radius: 8px; text-decoration: none; border: 1px solid var(--border); }
a.button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.support-link { margin-left: 12px; }
.nav-link + .nav-link { margin-left: 12px; }

/* Archive explorer: filters, then one list of recordings */
.featured:empty { display: none; }
.featured { margin: 0 0 22px; }
.featured h3 { margin: 0 0 10px; font-size: 1.05rem; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; }
.filters .filter { flex: 1 1 150px; }
.filters .filter.search { flex: 2 1 220px; }
.filter { display: grid; gap: 3px; font-size: .78rem; color: var(--muted); min-width: 0; }
.filter select, .filter input {
  width: 100%; min-width: 0; font-size: .9rem; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 8px; padding: .45rem .5rem;
}
.result-count { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin: 10px 0 8px; font-size: .85rem; }
button.link { background: none; border: none; padding: 0; color: var(--accent); text-decoration: underline; font-size: inherit; }
.results { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.result {
  display: grid; grid-template-columns: 128px minmax(0, 1fr) auto; gap: 12px; align-items: center;
  padding: 6px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface);
  color: var(--text); text-decoration: none;
}
a.result:hover { border-color: var(--accent); }
.result > button { grid-column: 2 / -1; justify-self: start; }
.result-thumb img, .thumb-blank { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; border-radius: 6px; background: var(--surface-2); height: auto; }
.result-body { display: grid; gap: 2px; min-width: 0; }
.result-title { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.result-meta { font-size: .82rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.chip { font-size: .78rem; padding: 2px 9px; border-radius: 999px; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.chip.rides { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.chip.processing, .chip.downloading { color: var(--accent); }
.chip.error { color: var(--danger); }
.results-more { display: flex; justify-content: center; margin-top: 12px; }
.results-more:empty { display: none; }
.intro p { max-width: 60ch; }

/* A clip still in the queue or being analyzed */
.progress-panel h1 { font-size: 1.2rem; margin: 0 0 8px; overflow-wrap: anywhere; }
.progress-panel { max-width: 560px; margin: 0 auto; }
.progress-thumb { width: 100%; max-width: 320px; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; display: block; margin: 0 0 12px; background: var(--surface-2); }
.progress-panel .bar { margin: 10px 0; }
.add code { font-size: .85em; }

/* Archive beside the analysis-queue panel */
.home-columns { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 20px; align-items: start; margin-top: 20px; }
.home-columns .list-head { margin-top: 0; }
.queue-panel { position: sticky; top: 16px; display: grid; gap: 8px; }
.queue-panel h2 { margin: 0; }
.queue-panel p { margin: 0; }
.queue-panel .fine, .queue-mini { font-size: .82rem; }
.queue-count strong { font-size: 1.25rem; }
.queue-now { border-top: 1px solid var(--border); padding-top: 8px; display: grid; gap: 4px; }
.queue-title { font-weight: 600; overflow-wrap: anywhere; }
.queue-mini { display: grid; gap: 3px; min-width: 110px; color: var(--muted); text-decoration: none; margin-left: 14px; }
.queue-mini[hidden] { display: none; }
.queue-mini .bar { height: 3px; }
@media (max-width: 860px) {
  .home-columns { grid-template-columns: 1fr; }
  .queue-panel { position: static; order: -1; }
}
@media (max-width: 560px) { .queue-mini { display: none; } }

/* Phones: one column, thumb-sized controls, nothing wider than the screen */
@media (max-width: 560px) {
  .filters { display: grid; grid-template-columns: 1fr 1fr; }
  .filter.search { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .home { padding: 14px 12px 40px; }
  .topbar { gap: .6rem; padding: .5rem 12px; }
  #crumbs { display: none; }
  .nav-link { font-size: .85rem; }
  .panel { padding: 14px; }
  h1 { font-size: 1.2rem; }
  .result { grid-template-columns: 96px minmax(0, 1fr); gap: 10px; }
  .result .chip { grid-column: 2; justify-self: start; margin-top: -2px; }
  .result-thumb { grid-row: span 2; }
  .grid { grid-template-columns: 1fr; }
}
@media (pointer: coarse) {
  button, .filter select, .filter input, .add input { min-height: 44px; }
  button.small { min-height: 36px; padding: .3rem .7rem; }
  button.link { min-height: 0; }
}

/* Three featured clips across the top; a swipeable row on phones */
.featured { margin: 20px 0 4px; }
.featured h2 { margin: 0 0 10px; }
.featured-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 860px) {
  .featured-row {
    grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: minmax(260px, 82%);
    overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 6px; overscroll-behavior-x: contain;
  }
  .featured-row > .card { scroll-snap-align: start; }
}

/* A payment link in the top bar is a small button */
.nav-link.donate-cta {
  background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600;
  padding: .3rem .75rem; border-radius: 999px; min-height: 0;
}
.nav-link.donate-cta:hover { filter: brightness(1.08); }

/* "Venmo me" sits beside the Donate button as an outlined pill */
.nav-link.venmo-link {
  text-decoration: none; font-weight: 600; color: var(--accent);
  border: 1px solid var(--accent); padding: calc(.3rem - 1px) .7rem; border-radius: 999px;
}
.nav-link.venmo-link + .nav-link { margin-left: 8px; }
@media (max-width: 420px) {
  .topbar { gap: .45rem; padding-left: 10px; padding-right: 10px; }
  .brand { font-size: .95rem; gap: .35rem; }
  .brand svg { width: 22px; height: 22px; }
  .topbar .nav-link { font-size: .78rem; }
  .nav-link.venmo-link, .nav-link.donate-cta { padding-left: .5rem; padding-right: .5rem; }
  .nav-link + .nav-link, .nav-link.venmo-link + .nav-link { margin-left: 6px; }
}

/* About page */
.about { max-width: 720px; }
.about .lead { font-size: 1.05rem; }
.about h2 { font-size: 1.05rem; margin: 1.4rem 0 .4rem; }
.about ol, .about ul { padding-left: 1.2rem; display: grid; gap: .5rem; }
.about-buttons { display: flex; flex-wrap: wrap; gap: .6rem; }
.table-scroll { overflow-x: auto; }
.about-table { border-collapse: collapse; width: 100%; font-size: .92rem; }
.about-table th, .about-table td { text-align: left; padding: .4rem .6rem .4rem 0; border-bottom: 1px solid var(--border); }
.about-table th:not(:first-child), .about-table td:not(:first-child) { white-space: nowrap; }
.home-footer { text-align: center; font-size: .85rem; margin: 28px 0 0; }
@media (max-width: 560px) { .about-link { display: none; } }

/* Queue page */
.queue-page { max-width: 900px; }
.queue-job { margin: 10px 0; }
.queue-job .queue-title { margin: 0 0 2px; }
.fetch-table { border-collapse: collapse; width: 100%; font-size: .88rem; }
.fetch-table th, .fetch-table td { text-align: left; padding: .35rem .7rem .35rem 0; border-bottom: 1px solid var(--border); white-space: nowrap; }
.fetch-table td.num { text-align: right; }
.fetch-table td.bad { color: #d64545; }