:root{
  --void:#14171c;
  --panel:#1b1f26;
  --panel-2:#212630;
  --line:#2b313b;
  --line-soft:#232830;
  --ink:#e9e6e0;
  --dim:#828c9a;
  --dimmer:#5c6572;
  --signal:#f0a81e;
  --signal-soft:rgba(240,168,30,.14);
  --male:#5aa9e6;
  --female:#e07a9b;
  --unknown:#6f7a88;
  --r:3px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:var(--void);
  color:var(--ink);
  font-family:"Instrument Sans",system-ui,-apple-system,sans-serif;
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  display:flex;
  flex-direction:column;
}
h1,h2{margin:0;font-weight:600;letter-spacing:-.01em}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px}

/* ---------- bar ---------- */
.bar{
  flex:0 0 auto;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:12px 20px;
  border-bottom:1px solid var(--line-soft);
  background:var(--void);
}
.mark{display:flex;align-items:baseline;gap:10px}
.dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--dimmer);align-self:center;
  transition:background .3s;
}
.dot.ready{background:#4ec98a}
.dot.busy{background:var(--signal);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.25}}
@media (prefers-reduced-motion:reduce){.dot.busy{animation:none}}
.wordmark{font-weight:600;letter-spacing:-.02em}
.sub{color:var(--dim);font-size:13px}
.bar-right{display:flex;align-items:center;gap:14px}
.filename{
  font-family:"JetBrains Mono",ui-monospace,monospace;
  font-size:12px;color:var(--dim);
  max-width:36ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

.ghost{
  background:transparent;border:1px solid var(--line);
  border-radius:var(--r);padding:6px 12px;font-size:13px;color:var(--dim);
}
.ghost:hover{border-color:var(--dim);color:var(--ink)}
.solid{
  background:var(--signal);border:0;color:#20170a;font-weight:600;
  border-radius:var(--r);padding:9px 14px;font-size:13px;width:100%;
}
.solid:hover{filter:brightness(1.08)}
.solid[disabled]{opacity:.4;cursor:not-allowed;filter:none}

/* ---------- intake ---------- */
.stage{flex:1 1 auto;min-height:0}
#intake{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}
.drop{
  width:min(680px,100%);
  border:1px dashed var(--line);border-radius:6px;
  padding:56px 40px;text-align:center;
  transition:border-color .18s,background .18s;
}
.drop.over{border-color:var(--signal);background:var(--signal-soft)}
.drop h1{font-size:30px;line-height:1.15;margin-bottom:14px}
.lede{color:var(--dim);margin:0 auto 26px;max-width:52ch;font-size:14px}
.pick{display:inline-block}
.pick input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.pick span{
  display:inline-block;background:var(--signal);color:#20170a;
  font-weight:600;font-size:14px;padding:10px 20px;border-radius:var(--r);
}
.pick:hover span{filter:brightness(1.08)}
.pick input:focus-visible + span{outline:2px solid var(--ink);outline-offset:2px}
.fineprint{color:var(--dimmer);font-size:12.5px;margin:18px 0 0}

.boot{
  margin-top:28px;display:flex;align-items:center;gap:12px;
  font-size:12.5px;color:var(--dim);
}
.boot.done{opacity:0;pointer-events:none;transition:opacity .4s}
.boot-track{width:180px;height:2px;background:var(--line);border-radius:2px;overflow:hidden}
.boot-fill{display:block;height:100%;width:0;background:var(--signal);transition:width .3s}

/* ---------- work layout ---------- */
.work{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:0}
.viewer{
  min-width:0;padding:20px 22px 22px;
  display:flex;flex-direction:column;gap:12px;
}
.frame{
  position:relative;flex:1 1 auto;min-height:0;
  background:#0d0f13;border:1px solid var(--line-soft);border-radius:4px;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
#video{max-width:100%;max-height:100%;display:block}
#overlay{position:absolute;left:0;top:0;pointer-events:none}
.osd{
  position:absolute;top:10px;left:12px;
  font-family:"JetBrains Mono",monospace;font-size:11.5px;
  color:var(--signal);letter-spacing:.02em;
  text-shadow:0 1px 3px rgba(0,0,0,.9);
  display:flex;gap:7px;
}
.osd-sep{color:rgba(240,168,30,.45)}
.scanning{
  position:absolute;inset:0;background:rgba(13,15,19,.55);
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:22px;
}
.scan-label{
  font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--signal);
  background:rgba(13,15,19,.85);padding:5px 11px;border-radius:var(--r);
  border:1px solid rgba(240,168,30,.3);
}

/* density scrubber */
.density{
  position:relative;height:54px;flex:0 0 auto;
  background:var(--panel);border:1px solid var(--line-soft);border-radius:4px;
  cursor:pointer;overflow:hidden;
}
.density canvas{position:absolute;inset:0;width:100%;height:100%}
.playhead{
  position:absolute;top:0;bottom:0;width:1px;background:var(--ink);
  left:0;pointer-events:none;box-shadow:0 0 6px rgba(233,230,224,.5);
}

.transport{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.play{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  background:var(--panel);display:grid;place-items:center;padding:0;
}
.play:hover{border-color:var(--dim)}
.play svg{width:13px;height:13px;fill:var(--ink)}
.tc{font-family:"JetBrains Mono",monospace;font-size:12px}
.tc.dim{color:var(--dimmer)}
.spacer{flex:1}
.toggle{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--dim);cursor:pointer}
.toggle input{accent-color:var(--signal);margin:0}

.disclaimer{
  flex:0 0 auto;margin:0;color:var(--dimmer);font-size:12px;
  line-height:1.55;max-width:78ch;border-top:1px solid var(--line-soft);padding-top:11px;
}

/* ---------- rail ---------- */
.rail{
  border-left:1px solid var(--line-soft);background:var(--panel);
  padding:20px 18px 40px;overflow-y:auto;
}
.headline{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.headline-num{
  font-size:54px;line-height:1;font-weight:600;letter-spacing:-.035em;
  font-variant-numeric:tabular-nums;
}
.headline-label{color:var(--dim);font-size:13px;max-width:24ch}

.statgrid{
  display:grid;grid-template-columns:1fr 1fr;gap:1px;
  background:var(--line-soft);border:1px solid var(--line-soft);border-radius:4px;
  overflow:hidden;margin-bottom:24px;
}
.stat{background:var(--panel-2);padding:11px 12px;display:flex;flex-direction:column;gap:1px}
.stat .k{font-size:20px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat .v{font-size:11.5px;color:var(--dim);line-height:1.35}

.block{margin-bottom:26px}
.block h2{font-size:13px;color:var(--dim);font-weight:500;margin-bottom:10px}
.note{font-size:11.5px;color:var(--dimmer);margin:8px 0 0;line-height:1.45}

.split{display:flex;height:26px;border-radius:3px;overflow:hidden;background:var(--panel-2)}
.split-seg{
  display:flex;align-items:center;justify-content:center;
  font-size:11.5px;font-weight:600;color:#14171c;min-width:0;
  white-space:nowrap;overflow:hidden;
}

.hist{display:flex;flex-direction:column;gap:5px}
.hist-row{display:grid;grid-template-columns:52px 1fr 24px;align-items:center;gap:8px}
.hist-row .lbl{font-size:11.5px;color:var(--dim);font-variant-numeric:tabular-nums}
.hist-row .bar{height:14px;background:var(--panel-2);border-radius:2px;overflow:hidden}
.hist-row .bar i{display:block;height:100%;background:var(--signal);opacity:.85}
.hist-row .n{font-size:11.5px;color:var(--dim);text-align:right;font-variant-numeric:tabular-nums}

.tracks{display:flex;flex-direction:column;gap:1px;max-height:280px;overflow-y:auto;
  border:1px solid var(--line-soft);border-radius:4px;background:var(--line-soft)}
.trk{
  display:grid;grid-template-columns:30px 1fr auto;align-items:center;gap:9px;
  background:var(--panel-2);padding:7px 10px;font-size:12px;
}
.trk:hover{background:#272d38}
.trk .swatch{
  font-family:"JetBrains Mono",monospace;font-size:10.5px;font-weight:500;
  text-align:center;border-radius:2px;padding:2px 0;color:#14171c;
}
.trk .meta{color:var(--dim);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.trk .dwell{font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--dimmer)}

.settings .field{display:flex;flex-direction:column;gap:5px;margin-bottom:12px}
.settings .field span{font-size:11.5px;color:var(--dim)}
.settings select{
  background:var(--panel-2);color:var(--ink);border:1px solid var(--line);
  border-radius:var(--r);padding:7px 9px;font:inherit;font-size:12.5px;width:100%;
}

.empty{color:var(--dimmer);font-size:12.5px;padding:14px 10px;background:var(--panel-2)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .work{grid-template-columns:1fr;overflow-y:auto}
  .rail{border-left:0;border-top:1px solid var(--line-soft)}
  .frame{min-height:46vh}
  .tracks{max-height:none}
}
@media (max-width:560px){
  .drop{padding:36px 20px}
  .drop h1{font-size:23px}
  .viewer{padding:14px}
  .transport{flex-wrap:wrap;gap:10px}
}