:root {
  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", "Fira Code", monospace;

  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 13px;
  margin: 0 auto;
  max-width: 1440px;
  min-height: 100vh;
  padding: var(--sp-5);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h2 { border-bottom: 1px solid var(--border); color: var(--text-secondary); font-size: 20px; font-weight: 600; margin-top: var(--sp-6); padding-bottom: var(--sp-2); }
h3 { color: var(--text-muted); font-size: 14px; font-weight: 500; margin: var(--sp-4) 0 var(--sp-2); }

.site-header { border-bottom: 1px solid var(--border); margin-bottom: var(--sp-6); padding-bottom: var(--sp-4); }
.header-top { align-items: baseline; display: flex; flex-wrap: wrap; gap: var(--sp-4); margin-bottom: var(--sp-3); }
.brand { color: var(--accent); font-family: var(--font-mono); font-size: 14px; font-weight: 600; letter-spacing: 0.08em; }
.brand-sub { color: var(--text-muted); font-size: 13px; }
.nav-pills { background: var(--surface-subtle); border: 1px solid var(--border); border-radius: var(--radius-md); display: inline-flex; gap: 2px; padding: 3px; }
.nav-pill { align-items: center; border-radius: var(--radius-sm); color: var(--text-muted); display: inline-flex; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; padding: 7px 14px; text-decoration: none; text-transform: uppercase; transition: background 120ms, color 120ms; }
.nav-pill:hover { color: var(--text); text-decoration: none; }
.nav-pill.active { background: var(--accent); color: var(--on-accent); }
.subtitle { color: var(--text-muted); font-size: 13px; margin-bottom: var(--sp-5); }
.tabs { border-bottom: 1px solid var(--border); display: flex; gap: 0; margin: var(--sp-4) 0 var(--sp-5); }
.tab { border-bottom: 2px solid transparent; color: var(--text-muted); margin-bottom: -1px; padding: 8px 16px; }
.tab:hover { color: var(--text); text-decoration: none; }
.tab.active { border-bottom-color: var(--accent); color: var(--accent); }
.tab.disabled { color: var(--text-faint); cursor: not-allowed; pointer-events: none; }

input, select { background: var(--surface-inset); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: var(--font-sans); font-size: 13px; padding: 5px 8px; }
textarea { background: var(--surface-inset); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: var(--font-sans); font-size: 13px; padding: 7px 8px; resize: vertical; width: 100%; }
.inline-form { align-items: end; display: flex; flex-wrap: wrap; gap: 10px; }
.inline-form + .inline-form { margin-top: 10px; }
.inline-form label { color: var(--text-muted); display: grid; font-size: 12px; gap: 4px; }
.inline-form label.check { align-items: center; display: flex; gap: 6px; padding-bottom: 6px; }
.stream-admin { max-width: 980px; }
button { background: var(--elevated); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); cursor: pointer; font-family: var(--font-sans); font-size: 12px; font-weight: 500; padding: 5px 10px; transition: background 120ms, border-color 120ms; }
button:hover { background: var(--surface-hover); border-color: var(--accent); }
button:disabled { background: var(--surface-disabled); border-color: var(--border); color: var(--text-faint); cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); font-size: 13px; font-weight: 600; padding: 7px 16px; }
button.primary:hover { background: color-mix(in srgb, var(--accent) 85%, black); border-color: color-mix(in srgb, var(--accent) 85%, black); }
button.primary:disabled { background: var(--surface-disabled); border-color: var(--border); color: var(--text-faint); }

.chip { background: transparent; border: 1px solid var(--border); border-radius: var(--radius-md); color: var(--text-muted); cursor: pointer; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; padding: 6px 12px; text-transform: uppercase; transition: border-color 120ms, color 120ms, background 120ms; }
.chip:hover { border-color: color-mix(in srgb, var(--accent) 40%, var(--border)); color: var(--text); }
.chip.active { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }

table { border-collapse: collapse; font-family: var(--font-mono); font-size: 11px; margin: var(--sp-3) 0; width: 100%; }
th { background: var(--elevated); border-bottom: 1px solid var(--border); color: var(--text-muted); cursor: pointer; font-size: 10px; font-weight: 500; letter-spacing: 0.04em; padding: var(--sp-2) var(--sp-3); text-align: left; text-transform: uppercase; user-select: none; white-space: nowrap; }
th:hover { background: var(--surface-hover); }
th.sort-asc::after { content: " ^"; font-size: 8px; }
th.sort-desc::after { content: " v"; font-size: 8px; }
td { border-bottom: 1px solid var(--border-subtle); overflow-wrap: anywhere; padding: var(--sp-2) var(--sp-3); }
tr:hover td { background: var(--accent-faint); }
.metric-help { align-items: center; border: 1px solid var(--text-faint); border-radius: 50%; color: var(--text-secondary); display: inline-flex; font-size: 9px; height: 14px; justify-content: center; margin-left: 5px; text-transform: none; vertical-align: text-top; width: 14px; }
.metric-guide { border-left: 3px solid var(--accent); color: var(--text-secondary); margin: var(--sp-3) 0 var(--sp-4); padding: var(--sp-1) 0 var(--sp-1) var(--sp-3); }
.metric-guide-title { color: var(--accent); font-family: var(--font-mono); font-size: 11px; font-weight: 700; margin-bottom: var(--sp-2); text-transform: uppercase; }
.metric-guide dl { display: grid; gap: var(--sp-2) var(--sp-4); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.metric-guide-item { min-width: 0; }
.metric-guide dt { color: var(--text); font-family: var(--font-mono); font-size: 11px; font-weight: 700; margin-bottom: 2px; }
.metric-guide dd { color: var(--text-muted); font-size: 12px; line-height: 1.4; }

.good { color: var(--good); font-weight: 700; }
.ok { color: var(--ok); font-weight: 700; }
.bad { color: var(--bad); font-weight: 700; }
.vbad { color: var(--vbad); font-weight: 700; }
.coverage { font-weight: 700; }
.coverage.complete, .complete { color: var(--good); }
.coverage.partial, .partial { color: var(--ok); }
.muted { color: var(--text-faint); }
.empty { color: var(--text-faint); font-style: italic; margin: var(--sp-6) 0; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); margin: var(--sp-3) 0; padding: var(--sp-4); }
.grid { display: grid; gap: 10px 18px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.label { color: var(--text-muted); font-size: 12px; }
.value { color: var(--text); font-size: 14px; margin-top: 2px; }
.toolbar { align-items: center; display: flex; flex-wrap: wrap; gap: 14px; margin: 10px 0 14px; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; }
.button-row a.button { align-items: center; border: 1px solid var(--border); border-radius: 8px; color: var(--text); display: inline-flex; font-size: 0.9rem; padding: 8px 12px; text-decoration: none; }
.warn { color: var(--bad); }
.stream-thumb { background: var(--media-bg); border: 1px solid var(--border-subtle); border-radius: var(--radius-sm); display: block; height: 54px; object-fit: cover; width: 96px; }
.stream-thumb-empty { align-items: center; color: var(--text-faint); display: flex; font-family: var(--font-mono); font-size: 10px; justify-content: center; }

.video-row { display: grid; gap: 16px; grid-template-columns: minmax(320px, 720px) 1fr; }
.video-wrap { position: relative; }
video { background: var(--media-bg); max-width: 100%; }
canvas.overlay, .overlay { height: 100%; left: 0; pointer-events: none; position: absolute; top: 0; width: 100%; }
.heatmap-thumb { display: block; height: 54px; object-fit: cover; width: 96px; }
.diagnostic-list { display: grid; gap: var(--sp-4); }
.diagnostic-window { overflow-x: auto; }
.diagnostic-head { align-items: start; display: grid; gap: var(--sp-4); grid-template-columns: minmax(260px, 1fr) minmax(260px, 420px); }
.diagnostic-kpis { display: grid; gap: 10px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.diagnostic-video { display: block; margin: var(--sp-3) 0; max-height: 420px; width: min(100%, 760px); }

.space-time-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); margin: var(--sp-3) 0 var(--sp-6); padding: var(--sp-4); }
.st-topline { align-items: center; display: flex; flex-wrap: wrap; gap: 22px; margin-bottom: var(--sp-3); }
.st-artifact { margin-left: auto; }
.st-calibration { align-items: center; background: var(--surface-inset); border-left: 4px solid var(--text-muted); border-radius: var(--radius-md); display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-bottom: var(--sp-3); padding: 10px 12px; }
.st-calibration strong { color: var(--text); }
.st-calibration span { color: var(--text-muted); font-size: 12px; }
.st-calibration.ok { border-left-color: var(--good); }
.st-calibration.warn { border-left-color: var(--bad); }
.st-mode-tabs, .st-scan-controls { display: flex; gap: var(--sp-2); margin: var(--sp-2) 0 var(--sp-3); }
.st-lens { display: flex; gap: var(--sp-2); margin: var(--sp-2) 0 var(--sp-3); }
.st-timeline { display: flex; gap: 3px; margin: var(--sp-3) 0 var(--sp-4); min-height: 28px; }
.st-tick { background: var(--state-color); border: 0; border-radius: 3px; cursor: pointer; flex: 1 1 6px; min-width: 5px; opacity: 0.65; padding: 0; transition: opacity 100ms; }
.st-tick:hover { opacity: 0.85; }
.st-tick.active { outline: 2px solid var(--text); opacity: 1; }
.st-layout { display: grid; gap: var(--sp-3); grid-template-columns: minmax(360px, 1fr) 360px; }
.st-longrange { display: grid; gap: var(--sp-3); grid-template-columns: minmax(420px, 1fr) 360px; margin: var(--sp-3) 0; }
.st-long-main, .st-long-side { display: grid; gap: var(--sp-3); min-width: 0; }
.st-viz { background: var(--surface-inset); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); padding: var(--sp-3); }
.st-viz-title { color: var(--text-muted); font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: 0.06em; margin-bottom: 10px; text-transform: uppercase; }
.st-matrix { display: grid; gap: 4px; grid-template-columns: repeat(auto-fit, minmax(28px, 1fr)); }
.st-cell { align-items: end; aspect-ratio: 1; background: var(--state-bg); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); cursor: pointer; display: flex; font-size: 10px; justify-content: center; min-width: 0; padding: 3px; transition: outline 100ms; }
.st-cell:hover { outline: 1px solid var(--text-muted); }
.st-ribbon { display: flex; gap: 2px; height: 18px; }
.st-ribbon button { background: var(--state-color); border: 0; border-radius: 2px; cursor: pointer; flex: 1; min-width: 3px; padding: 0; }
.st-rhythm-line { display: block; height: 72px; margin-top: var(--sp-2); width: 100%; }
.st-readability { align-items: end; display: flex; gap: 2px; height: 28px; margin-top: 6px; }
.st-readability i { background: var(--st-unreadable); border-radius: 2px 2px 0 0; flex: 1; min-height: 2px; opacity: 0.85; }
.st-transition { align-items: center; display: grid; gap: var(--sp-2); grid-template-columns: 42px 42px 1fr; margin: 6px 0; }
.st-transition span, .st-transition b { background: var(--state-color); border-radius: var(--radius-sm); color: var(--on-state); font-weight: 800; padding: 3px 5px; text-align: center; }
.st-transition i { color: var(--text-muted); font-style: normal; }
.st-compare { align-items: center; background: var(--elevated); border: 0; border-radius: var(--radius-sm); cursor: pointer; display: grid; gap: 6px; grid-template-columns: 54px 1fr 38px 70px; margin: 6px 0; padding: var(--sp-2); text-align: left; transition: background 100ms; width: 100%; }
.st-compare:hover { background: var(--surface-hover); }
.st-compare span, .st-compare em { color: var(--text-muted); font-size: 12px; font-style: normal; }
.st-compare b { color: var(--state-color); text-align: center; }
.st-main { min-width: 0; }
.st-video { border-radius: var(--radius-md); display: block; max-height: 62vh; width: 100%; }
.st-side { min-width: 0; }
.st-state { align-items: center; background: var(--surface-inset); border-left: 5px solid var(--state-color); border-radius: var(--radius-md); display: flex; gap: var(--sp-3); margin-bottom: var(--sp-3); padding: var(--sp-3); transition: border-color 100ms, background-color 100ms; }
.st-state-code { color: var(--state-color); font-family: var(--font-mono); font-size: 28px; font-weight: 800; min-width: 52px; transition: color 100ms; }
.st-metrics { background: var(--surface-inset); border-radius: var(--radius-md); padding: var(--sp-3); }
.st-mode-mix { display: grid; gap: var(--sp-2); margin-top: var(--sp-3); }
.st-bar-row { align-items: center; display: grid; gap: var(--sp-2); grid-template-columns: 118px 1fr 48px; }
.st-bar-row span { color: var(--text-muted); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.st-bar-row b { color: var(--text-secondary); font-size: 12px; text-align: right; }
.st-bar { background: var(--surface-inset); border-radius: var(--radius-sm); height: 9px; overflow: hidden; }
.st-bar i { display: block; height: 100%; }
.st-chart { margin-top: var(--sp-3); padding: 10px; }
.st-chart svg { display: block; height: 80px; margin-top: var(--sp-2); width: 100%; }
.st-artifacts { display: grid; gap: 10px; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: var(--sp-3) 0; }
.st-artifacts img { background: var(--surface-inset); border: 1px solid var(--border); border-radius: var(--radius-md); display: block; height: 180px; object-fit: cover; width: 100%; }
.st-pill { background: var(--state-color); border-radius: var(--radius-sm); color: var(--on-state); display: inline-block; font-family: var(--font-mono); font-size: 11px; font-weight: 800; min-width: 28px; padding: 2px 5px; text-align: center; }

.st-scan { display: grid; gap: var(--sp-3); }
.st-scan-layout { display: grid; gap: var(--sp-3); grid-template-columns: minmax(420px, 1fr) 400px; }
.st-scan-main { min-width: 0; }
.st-scan-timeline { display: grid; gap: 10px; }
.st-scan-time-axis { height: 16px; margin: 0 0 2px 86px; position: relative; }
.st-scan-time-axis span { color: var(--text-faint); font-family: var(--font-mono); font-size: 10px; position: absolute; transform: translateX(-50%); }
.st-scan-row { display: grid; gap: var(--sp-2); grid-template-columns: 78px minmax(0, 1fr); }
.st-scan-row-label { color: var(--text-muted); font-family: var(--font-mono); font-size: 11px; padding-top: 6px; text-align: right; }
.st-scan-row-track { align-items: stretch; background: var(--surface-inset); border: 1px solid var(--border-subtle); border-radius: var(--radius-md); display: flex; gap: 2px; min-height: 52px; padding: 6px; }
.st-scan-tick { background: linear-gradient(to bottom, var(--st-unreadable) 0 var(--unreadable-pct), var(--state-bg) var(--unreadable-pct) 100%); border: 0; border-bottom: 4px solid var(--state-color); border-radius: 3px; cursor: pointer; flex: 1 1 6px; min-width: 5px; padding: 0; transition: outline 80ms; }
.st-scan-tick:focus, .st-scan-tick:hover, .st-scan-tick.active { outline: 2px solid var(--text); outline-offset: 2px; }
.st-scan-preview { align-self: start; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); display: grid; gap: var(--sp-3); min-width: 0; padding: var(--sp-3); position: sticky; top: 12px; }
.st-preview-media { background: var(--surface-inset); border-radius: var(--radius-md); overflow: hidden; }
.st-preview-media img, .st-preview-media video { display: block; max-height: 320px; object-fit: contain; transition: opacity 150ms; width: 100%; }
.st-preview-meta { display: grid; gap: var(--sp-3); }
.st-preview-links { display: flex; flex-wrap: wrap; gap: 10px; }
.st-shares-bar { border-radius: 3px; display: flex; gap: 1px; height: 6px; margin-top: var(--sp-2); overflow: hidden; }
.st-shares-bar i { background: var(--state-color); min-width: 2px; }

.calibration-shell { display: grid; gap: var(--sp-3); }
.calibration-bar { align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); display: flex; flex-wrap: wrap; gap: var(--sp-3); padding: 10px var(--sp-4); }
.calibration-bar-chips { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.calibration-bar-status { color: var(--text-muted); display: flex; flex-wrap: wrap; font-family: var(--font-mono); font-size: 11px; gap: 14px; margin-left: auto; }
.calibration-bar-status b { color: var(--text); font-weight: 700; }
.calibration-bar-status .ok { color: var(--good); }
.calibration-bar-status .warn { color: var(--ok); }
.calibration-bar-hint { color: var(--text-muted); font-size: 12px; width: 100%; }
.calibration-bar-error { color: var(--bad); font-size: 12px; width: 100%; }
.calibration-workbench { display: grid; gap: var(--sp-3); grid-template-columns: minmax(420px, 1fr) minmax(480px, 1.1fr); min-height: 560px; }
.calibration-pane { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); display: flex; flex-direction: column; min-height: 560px; min-width: 0; overflow: hidden; }
.calibration-pane-head { align-items: center; border-bottom: 1px solid var(--border); display: flex; font-family: var(--font-mono); font-size: 11px; gap: var(--sp-2); padding: 8px var(--sp-3); text-transform: uppercase; }
.calibration-pane-head .label { color: var(--text-muted); letter-spacing: 0.06em; }
.calibration-pane-head .right { align-items: center; display: flex; gap: var(--sp-2); margin-left: auto; }
.calibration-pane-head .right button { padding: 3px 8px; }
.calibration-ref-label { color: var(--text); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; max-width: 240px; overflow: hidden; text-overflow: ellipsis; text-transform: none; white-space: nowrap; }
.calibration-frame { background: var(--media-bg); flex: 1; margin: 0; min-height: 0; position: relative; }
.calibration-frame img { cursor: crosshair; display: block; height: 100%; object-fit: contain; user-select: none; width: 100%; }
.calibration-frame figcaption { background: color-mix(in srgb, var(--surface) 88%, transparent); bottom: 0; color: var(--text-muted); font-family: var(--font-mono); font-size: 11px; left: 0; padding: 6px 8px; pointer-events: none; position: absolute; right: 0; }
.calibration-placeholder { align-items: center; color: var(--text-faint); display: flex; flex: 1; justify-content: center; padding: var(--sp-4); text-align: center; }
.calibration-point-overlay { inset: 0; pointer-events: none; position: absolute; }
.calibration-scene-overlay { inset: 0; pointer-events: none; position: absolute; }
.calibration-scene-overlay svg { height: 100%; width: 100%; }
.calibration-scene-overlay text { fill: var(--text); font-family: var(--font-mono); font-size: 13px; font-weight: 800; paint-order: stroke; stroke: var(--surface); stroke-width: 4px; }
.calibration-zone-fill { fill: color-mix(in srgb, var(--accent) 22%, transparent); stroke: none; }
.calibration-zone-line { fill: none; stroke: var(--accent); stroke-width: 4px; vector-effect: non-scaling-stroke; }
.calibration-dot { stroke: var(--surface); stroke-width: 3px; vector-effect: non-scaling-stroke; }
.calibration-dot.pair { fill: var(--good); }
.calibration-dot.zone { fill: var(--accent); }
.calibration-dot.pending { fill: var(--ok); }
.calibration-dot.removable { cursor: pointer; pointer-events: auto; }
.calibration-dot.removable:hover { stroke: var(--bad); stroke-width: 4px; }
.calibration-point { align-items: center; border: 2px solid var(--surface); border-radius: 999px; color: var(--on-state); display: inline-flex; font-family: var(--font-mono); font-size: 10px; font-weight: 800; height: 22px; justify-content: center; position: absolute; transform: translate(-50%, -50%); width: 22px; }
.calibration-point.anchor { background: var(--good); }
.calibration-point.check { background: var(--ok); }
.calibration-map-body { display: grid; flex: 1; grid-template-rows: 1fr; min-height: 0; }
.calibration-map-body.with-street { grid-template-columns: 1.2fr 1fr; }
.calibration-map { background: var(--surface-inset); min-height: 0; min-width: 0; position: relative; }
.calibration-map .empty { align-items: center; display: flex; height: 100%; justify-content: center; margin: 0; padding: var(--sp-4); text-align: center; }
.calibration-street { background: var(--media-bg); border-left: 1px solid var(--border); min-height: 0; min-width: 0; position: relative; }
.calibration-street[hidden] { display: none !important; }
.calibration-footer { display: grid; gap: var(--sp-3); }
.calibration-footer-row { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.calibration-footer-row .spacer { flex: 1; }
.calibration-meta summary { color: var(--text-muted); cursor: pointer; font-family: var(--font-mono); font-size: 11px; padding: 6px 0; text-transform: uppercase; }
.calibration-meta summary:hover { color: var(--text); }
.calibration-meta-body { display: grid; gap: var(--sp-3); padding-top: var(--sp-2); }
.calibration-check-grid { display: grid; gap: var(--sp-3); grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.calibration-checklist { display: grid; gap: var(--sp-2); }
.calibration-step { background: var(--surface-inset); border-left: 4px solid var(--text-muted); border-radius: var(--radius-sm); display: grid; gap: 3px; padding: 9px 10px; }
.calibration-step.ready { border-left-color: var(--good); }
.calibration-step.pending { border-left-color: var(--ok); }
.calibration-step.missing { border-left-color: var(--bad); }
.calibration-step strong { color: var(--text); }
.calibration-step span { color: var(--text-muted); font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.05em; text-transform: uppercase; }
.calibration-step p { color: var(--text-muted); font-size: 12px; line-height: 1.35; }
@media (max-width: 1100px) {
  .calibration-workbench { grid-template-columns: 1fr; }
  .calibration-pane { min-height: 440px; }
}
@media (max-width: 640px) {
  .calibration-map-body.with-street { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }
  .calibration-street { border-left: 0; border-top: 1px solid var(--border); }
}

.track-validity-layout { display: grid; gap: var(--sp-3); grid-template-columns: 300px minmax(420px, 1fr) 320px; }
.track-validity-summary { margin: 0; }
.track-validity-filters label { align-items: center; color: var(--text-muted); display: flex; gap: var(--sp-2); }
.track-validity-queue, .track-validity-main, .track-validity-review { align-self: start; margin-top: 0; min-width: 0; }
.track-validity-list { display: grid; gap: var(--sp-2); max-height: 72vh; overflow: auto; }
.track-validity-row { align-items: center; background: var(--surface-inset); display: grid; gap: var(--sp-2); grid-template-columns: 74px 1fr; padding: var(--sp-2); text-align: left; width: 100%; }
.track-validity-row { contain-intrinsic-size: 64px; content-visibility: auto; }
.track-validity-row.active { border-color: var(--accent); outline: 1px solid var(--accent); }
.track-validity-row img, .track-validity-thumb { background: var(--media-bg); border-radius: var(--radius-sm); display: block; height: 46px; object-fit: cover; width: 74px; }
.track-validity-row strong { color: var(--text); display: block; font-family: var(--font-mono); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-validity-row small { color: var(--text-muted); display: block; font-size: 11px; line-height: 1.35; }
.track-validity-title { align-items: start; display: flex; gap: var(--sp-3); justify-content: space-between; }
.track-validity-selected video { border-radius: var(--radius-md); display: block; margin-bottom: var(--sp-3); max-height: 58vh; width: 100%; }
.track-validity-form { display: grid; gap: var(--sp-3); }
.track-validity-form label { color: var(--text-muted); display: grid; gap: 5px; }
.track-validity-checks { display: grid; gap: 5px; grid-template-columns: 1fr; }
.track-validity-checks label.check { align-items: center; color: var(--text-secondary); display: flex; gap: 6px; }

.ar-subtabs { align-items: center; border-bottom: 1px solid var(--border); display: flex; gap: 0; margin: 6px 0 14px; }
.subtab { border-bottom: 2px solid transparent; color: var(--text-muted); cursor: pointer; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.02em; margin-bottom: -1px; padding: 8px 16px; transition: color 100ms; }
.subtab:hover { color: var(--text); }
.subtab.active { border-bottom-color: var(--accent); color: var(--accent); }
.ar-live-label { align-items: center; color: var(--text-muted); cursor: pointer; display: flex; font-size: 13px; gap: 6px; margin-left: auto; padding: 8px 16px; }
.ar-header { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); color: var(--text-secondary); display: flex; flex-wrap: wrap; font-size: 13px; gap: 24px; padding: 14px 18px; }
.ar-header strong { color: var(--accent); }
.ar-header a { color: var(--accent); }
.ar-header-right { align-items: center; display: flex; gap: 10px; margin-left: auto; }
.ar-last-update { color: var(--text-faint); font-size: 12px; }
.ar-best-notes { background: var(--elevated); border-left: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-secondary); font-family: var(--font-mono); font-size: 12px; margin: var(--sp-2) 0; padding: 10px 14px; white-space: pre-wrap; }
.ar-chart-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); margin: 18px 0; padding: 14px; }
.ar-legend { color: var(--text-muted); display: flex; flex-wrap: wrap; font-size: 12px; gap: 18px; margin-top: var(--sp-2); }
.ar-legend-dot { border-radius: 50%; display: inline-block; height: 10px; margin-right: 4px; vertical-align: middle; width: 10px; }
.ar-legend-line { background: var(--accent); display: inline-block; height: 2px; margin-right: 4px; vertical-align: middle; width: 18px; }
.ar-legend-dash { border-top: 1px dashed var(--text-muted); display: inline-block; margin-right: 4px; vertical-align: middle; width: 18px; }
.ar-config-hash { color: var(--text-muted); font-size: 11px; }
.ar-notes-cell { color: var(--text-secondary); font-family: var(--font-mono); font-size: 11px; max-width: 420px; white-space: normal; }
.ar-row-best td { background: var(--chart-row-best); }
.ar-row-improved td { background: var(--chart-row-improved); }

.modal-bg { align-items: center; backdrop-filter: blur(4px); background: var(--modal-backdrop); bottom: 0; display: none; flex-direction: column; justify-content: center; left: 0; padding: 20px; position: fixed; right: 0; top: 0; z-index: 1000; }
.modal-bg.open { display: flex; }
.modal-close { background: none; border: 0; color: var(--text); cursor: pointer; font-size: 28px; position: absolute; right: 20px; top: 14px; }
.modal-title { color: var(--text); font-family: var(--font-mono); font-size: 14px; margin-bottom: 10px; }
.modal-videos { align-items: flex-start; display: flex; gap: 14px; max-height: calc(100vh - 120px); max-width: 100%; }
.modal-videos video { border-radius: var(--radius-md); max-height: calc(100vh - 150px); }
.vwrap { align-items: center; display: flex; flex: 1; flex-direction: column; min-width: 0; }
.lbl { color: var(--text-muted); font-size: 12px; margin-bottom: 4px; }
svg { max-width: 100%; }

.clip-toolbar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; }
.clip-range-panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); margin-top: 10px; padding: 10px; }
.clip-hour-grid { display: grid; gap: 5px; grid-template-columns: repeat(12, minmax(34px, 1fr)); margin-top: var(--sp-2); }
.clip-hour { background: var(--surface-subtle); border: 1px solid var(--border); border-radius: 7px; color: var(--text-muted); cursor: pointer; font-family: var(--font-mono); font-size: 10px; padding: 6px 4px; }
.clip-hour.has-clips { background: var(--accent-muted); border-color: color-mix(in srgb, var(--accent) 48%, var(--border)); color: var(--text); }

@media (max-width: 800px) {
  body { padding: 14px; }
  .video-row { grid-template-columns: 1fr; }
  .diagnostic-head { grid-template-columns: 1fr; }
  .diagnostic-kpis { grid-template-columns: 1fr; }
  .track-validity-layout { grid-template-columns: 1fr; }
  .st-layout { grid-template-columns: 1fr; }
  .st-longrange { grid-template-columns: 1fr; }
  .st-scan-layout { grid-template-columns: 1fr; }
  .st-scan-row { grid-template-columns: 1fr; }
  .st-scan-time-axis { margin-left: 0; }
  .st-scan-row-label { text-align: left; }
  .st-scan-preview { position: static; }
  .st-artifacts { grid-template-columns: 1fr; }
  th, td { padding: 6px; }
  .header-top { flex-direction: column; gap: var(--sp-2); }
}