:root {
  color-scheme: dark;
  --ink: #dcecef;
  --muted: #78909a;
  --dim: #425862;
  --bg: #050d11;
  --panel: #08151b;
  --panel-2: #0b1a21;
  --line: #1b333d;
  --cyan: #54e5c2;
  --warm: #f3b75f;
  --blue: #7f9cff;
  --danger: #f17f78;
  --ok: #81d49b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--ink); }
body { overflow-x: hidden; }
body.is-embedded .masthead { display: none; }
body.is-embedded .cockpit { min-height: 100vh; min-height: 100svh; }
button, input { font: inherit; }
button { color: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.masthead {
  min-height: 58px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 0 18px; border-bottom: 1px solid var(--line); background: #071117; letter-spacing: .05em;
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 12px; }
.brand > span:last-child { color: var(--muted); font-weight: 400; }
.brand-mark { width: 9px; height: 9px; background: var(--cyan); transform: rotate(45deg); box-shadow: 0 0 18px rgba(84,229,194,.5); }
.scene-heading { display: flex; gap: 12px; align-items: center; font-size: 13px; letter-spacing: .02em; }
.badge { border: 1px solid #3e6f67; color: var(--cyan); padding: 4px 7px; text-transform: uppercase; font-size: 10px; letter-spacing: .12em; }
.run-status { justify-self: end; color: var(--muted); font-size: 11px; display: flex; align-items: center; gap: 7px; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 10px rgba(129,212,155,.45); }

.cockpit { display: grid; grid-template-columns: 104px minmax(0, 1fr) 286px; grid-template-rows: minmax(500px, 66vh) auto 276px; min-height: calc(100vh - 58px); }
.mode-rail { grid-row: 1 / 4; border-right: 1px solid var(--line); background: #061015; padding: 10px 8px; display: flex; flex-direction: column; gap: 3px; }
.mode { border: 0; border-left: 2px solid transparent; background: transparent; color: var(--muted); text-align: left; padding: 9px 7px; cursor: pointer; font-size: 11px; display: grid; gap: 4px; transition: color .16s ease, background .16s ease, border-color .16s ease; }
.mode span { color: var(--dim); font: 9px ui-monospace, monospace; }
.mode:hover { color: var(--ink); background: #0a1a20; }
.mode.active { color: var(--ink); border-left-color: var(--cyan); background: #0a1a20; }
.mode.active span { color: var(--cyan); }

.scene-workspace { position: relative; min-width: 0; overflow: hidden; background: #03090d; }
.scene-workspace::before { content: ""; position: absolute; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(38,70,80,.13) 1px, transparent 1px), linear-gradient(90deg, rgba(38,70,80,.13) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, rgba(0,0,0,.6), transparent 82%); }
#scene-canvas { width: 100%; height: 100%; display: block; cursor: grab; position: relative; }
#scene-canvas:active { cursor: grabbing; }
#scene-canvas:focus-visible { outline: 2px solid var(--cyan); outline-offset: -3px; }
.canvas-topline { position: absolute; top: 14px; left: 16px; right: 16px; display: flex; gap: 20px; color: var(--muted); font: 10px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; pointer-events: none; }
.canvas-topline b { color: var(--ink); font-weight: 500; }
.canvas-topline span:last-child { margin-left: auto; color: var(--warm); }
.axis-key { position: absolute; left: 17px; bottom: 15px; color: var(--muted); font: 10px ui-monospace, monospace; display: flex; align-items: center; gap: 5px; }
.axis { display: inline-block; width: 12px; height: 2px; margin-left: 5px; }.axis.x { background: var(--danger); }.axis.y { background: var(--cyan); }.axis.z { background: var(--blue); }
.view-help { position: absolute; bottom: 15px; right: 17px; color: var(--dim); font-size: 10px; letter-spacing: .05em; }

.inspector { border-left: 1px solid var(--line); background: var(--panel); display: flex; min-height: 0; flex-direction: column; overflow: auto; }
.inspector-head { padding: 14px 16px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; text-transform: uppercase; color: var(--muted); font-size: 10px; letter-spacing: .12em; }
.inspector-head b { color: var(--cyan); font: 16px ui-monospace, monospace; }
.evidence-block { padding: 12px 14px; border-bottom: 1px solid var(--line); }
.evidence-block.grow { flex: 1; }
.evidence-block h2 { margin: 0 0 10px; color: var(--muted); text-transform: uppercase; font-size: 10px; letter-spacing: .12em; font-weight: 500; }
dl { margin: 0; display: grid; grid-template-columns: 42% 58%; gap: 7px 9px; font-size: 11px; }
dt { color: var(--muted); } dd { margin: 0; overflow-wrap: anywhere; }
.method-list { display: grid; gap: 5px; }
.method-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; font-size: 11px; padding: 6px 0; border-bottom: 1px solid rgba(37,63,73,.55); }
.method-status { text-transform: uppercase; color: var(--muted); font: 9px ui-monospace, monospace; letter-spacing: .08em; }
.method-status.done { color: var(--ok); }.method-status.failed { color: var(--danger); }.method-status.inference_done { color: var(--warm); }
.raw-inspector { display: grid; gap: 7px; }
.raw-item { border-left: 1px solid var(--line); padding-left: 9px; display: grid; gap: 2px; }
.raw-item b { font: 10px ui-monospace, monospace; color: var(--ink); }.raw-item span { color: var(--muted); font-size: 9px; overflow-wrap: anywhere; }
.research-diagnostic { border: 1px solid rgba(84,229,194,.28); background: rgba(84,229,194,.035); }
.research-diagnostic summary { cursor: pointer; display: flex; justify-content: space-between; gap: 8px; padding: 8px; color: var(--ink); font: 10px ui-monospace, monospace; text-transform: uppercase; letter-spacing: .06em; }
.research-diagnostic summary::marker { color: var(--cyan); }
.research-diagnostic summary b { color: var(--cyan); font: 8px ui-monospace, monospace; white-space: nowrap; }
.diagnostic-note { margin: 0; padding: 0 8px 8px; color: var(--muted); font-size: 9px; line-height: 1.45; }
.diagnostic-method { margin: 0 8px 8px; padding: 7px; border-top: 1px solid rgba(37,63,73,.75); background: rgba(4,12,16,.45); }
.diagnostic-method-head { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 6px; }
.diagnostic-method-head b { color: var(--ink); font: 9px ui-monospace, monospace; text-transform: uppercase; }
.diagnostic-status { color: var(--muted); font: 8px ui-monospace, monospace; text-transform: uppercase; }
.diagnostic-status.validated,.diagnostic-status.reference { color: var(--ok); }
.diagnostic-status.failed,.diagnostic-status.failed-soft { color: var(--danger); }
.diagnostic-method p { margin: 4px 0 0; color: var(--warm); font-size: 9px; line-height: 1.4; }
.diagnostic-metrics { margin: 0 8px 8px; grid-template-columns: 1fr auto; gap: 4px 8px; font: 9px ui-monospace, monospace; }
.diagnostic-metrics dt { color: var(--muted); }.diagnostic-metrics dd { color: var(--ink); text-align: right; }
.diagnostic-link { display: block; margin: 0 8px 8px; color: var(--cyan); font: 9px ui-monospace, monospace; text-decoration: none; }
.diagnostic-link:hover,.diagnostic-link:focus-visible { text-decoration: underline; }
.warning-block { padding: 12px 16px; display: grid; gap: 6px; color: var(--warm); font-size: 10px; }

.timeline-panel { grid-column: 2 / 4; border-top: 1px solid var(--line); background: #071218; padding: 10px 16px 9px; }
.timeline-head { display: flex; justify-content: space-between; align-items: center; }
.timeline-head > div:first-child { display: flex; gap: 12px; align-items: baseline; }
.timeline-head b { font: 12px ui-monospace, monospace; }.timeline-head span { color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }
.transport { display: flex; gap: 4px; }.transport button { border: 1px solid var(--line); background: transparent; padding: 4px 9px; font-size: 10px; cursor: pointer; }.transport button:hover { border-color: var(--cyan); }
#edit-timeline { height: 21px; margin: 9px 0 4px; display: flex; overflow: hidden; background: #0c1b22; }
.segment { min-width: 2px; height: 100%; border-right: 1px solid #071218; position: relative; }.segment.flight_start,.segment.new_flight_start { background: rgba(84,229,194,.43); }.segment.replay_start,.segment.pause_start { background: rgba(243,183,95,.42); }.segment.other { background: rgba(127,156,255,.3); }.segment.active::after { content: ""; position: absolute; inset: 0; border: 1px solid #fff; }
#pose-slider { width: 100%; accent-color: var(--cyan); height: 12px; }

.analysis-strip { grid-column: 2 / 4; display: grid; grid-template-columns: minmax(300px, 42%) 1fr; border-top: 1px solid var(--line); min-width: 0; }
.pov-panel,.state-panel { margin: 0; position: relative; min-width: 0; overflow: hidden; background: #061015; }
.pov-panel { border-right: 1px solid var(--line); }.panel-label { height: 38px; padding: 0 12px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .1em; }.panel-label b { color: var(--ink); font: 9px ui-monospace, monospace; }
#pov-frame { width: 100%; height: calc(100% - 38px); object-fit: contain; background: #020609; display: none; }
.empty-state { height: calc(100% - 38px); display: grid; place-items: center; color: var(--dim); font-size: 11px; }
#state-canvas { width: 100%; height: calc(100% - 62px); display: block; }.state-readout { height: 24px; padding: 4px 12px; color: var(--muted); font: 10px ui-monospace, monospace; border-top: 1px solid var(--line); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

body.ready .scene-workspace, body.ready .inspector, body.ready .analysis-strip { animation: settle .42s ease both; }
@keyframes settle { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@media (max-width: 980px) {
  .masthead { grid-template-columns: 1fr auto; }.scene-heading { display: none; }
  .cockpit { grid-template-columns: 94px minmax(0, 1fr); grid-template-rows: 480px auto auto 520px; }
  .mode-rail { grid-row: 1 / 5; }.inspector { grid-column: 2; grid-row: 2; border-left: 0; border-top: 1px solid var(--line); max-height: 320px; }
  .timeline-panel { grid-column: 2; grid-row: 3; }.analysis-strip { grid-column: 2; grid-row: 4; grid-template-columns: 1fr; grid-template-rows: 250px 270px; }.pov-panel { border-right: 0; border-bottom: 1px solid var(--line); }
}
@media (max-width: 620px) {
  .brand > span:last-child,.run-status { display: none; }.masthead { grid-template-columns: 1fr; }
  .cockpit { grid-template-columns: minmax(0, 1fr); grid-template-rows: auto 430px auto auto 500px; }
  .mode-rail { grid-column: 1; grid-row: 1; flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); scroll-snap-type: x proximity; }.mode { min-width: 84px; min-height: 44px; scroll-snap-align: start; }
  .transport button { min-width: 44px; min-height: 44px; }
  .scene-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .scene-workspace { grid-row: 2; }.inspector { grid-row: 3; grid-column: 1; }.timeline-panel { grid-row: 4; grid-column: 1; }.analysis-strip { grid-row: 5; grid-column: 1; }.canvas-topline span:last-child { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}