:root{
  --bg:#0d1015; --panel:#141922; --panel2:#1a2029; --line:#252d39; --line2:#323c4b;
  --text:#e7eaf0; --muted:#8c97a8; --accent:#4cc9f0; --accent-ink:#06222c;
  --inc:#3ddc97; --exc:#ff6b6b; --unc:#f5b83d; --ath1:#4cc9f0; --ath2:#c792ea; --ath3:#ffa657; --ath4:#7ee787;
  --radius:8px; --focus:#ffd166;
  font-family: "Heebo","Assistant","Segoe UI",system-ui,-apple-system,sans-serif; font-size:14px;
  color-scheme: dark;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:var(--text)}
body{overflow:hidden}
.skip{position:absolute;inset-inline-start:-999px}.skip:focus{inset-inline-start:8px;top:8px;background:var(--focus);color:#000;padding:6px 10px;z-index:99}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
button,select,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
.ltr{direction:ltr;unicode-bidi:isolate;display:inline-block}
.mono{font-family:ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
.shell{display:grid;grid-template-columns:200px 1fr;grid-template-rows:48px 1fr;grid-template-areas:"side top" "side main";height:100vh}
.shell.collapsed{grid-template-columns:56px 1fr}
.topbar{grid-area:top;display:flex;align-items:center;gap:14px;padding:0 16px;background:var(--panel);border-bottom:1px solid var(--line);min-width:0}
.sidebar{grid-area:side;background:var(--panel);border-inline-end:1px solid var(--line);display:flex;flex-direction:column;padding:8px;gap:2px}
main{grid-area:main;overflow:auto;min-width:0;min-height:0}
.brand{font-weight:700;letter-spacing:.2px;display:flex;align-items:center;gap:8px;padding:8px 8px 14px}
.brand i{width:18px;height:18px;border-radius:5px;background:var(--accent);display:inline-block;position:relative}
.brand i::after{content:"";position:absolute;inset:4px;border:2px solid #0d1015}
.nav a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:6px;color:var(--muted);text-decoration:none;white-space:nowrap}
.nav a[aria-current=page]{background:var(--panel2);color:var(--text);box-shadow:inset -3px 0 0 var(--accent)}
.nav a:hover{color:var(--text)}
.shell.collapsed .nav .lbl,.shell.collapsed .brand span{display:none}
.spacer{flex:1}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line2);border-radius:99px;padding:3px 10px;font-size:12px;color:var(--muted);background:var(--panel2);white-space:nowrap}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}
.pill.ok{color:var(--inc);border-color:#1f5b45}.pill.ok .dot{background:var(--inc)}
.pill.warn{color:var(--unc);border-color:#6b5320}.pill.warn .dot{background:var(--unc)}
.pill.bad{color:var(--exc);border-color:#6b2a2a}.pill.bad .dot{background:var(--exc)}
.pill.busy .dot{background:var(--accent);animation:pulse 1s infinite}
@media (prefers-reduced-motion:reduce){.pill.busy .dot{animation:none}}
@keyframes pulse{50%{opacity:.3}}
.btn{background:var(--panel2);border:1px solid var(--line2);border-radius:6px;padding:6px 12px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);font-weight:600}
.btn.danger{border-color:#6b2a2a;color:var(--exc)}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn.sm{padding:3px 8px;font-size:12px}
.btn[aria-pressed=true]{background:var(--accent);color:var(--accent-ink)}
kbd{font-family:ui-monospace,Menlo,monospace;font-size:11px;border:1px solid var(--line2);border-bottom-width:2px;border-radius:4px;padding:0 5px;background:var(--panel2);color:var(--muted)}
input[type=text],input[type=search],textarea,select,input[type=number]{background:#0f131a;border:1px solid var(--line2);border-radius:6px;padding:6px 8px;width:100%}
textarea{resize:vertical;min-height:64px}
label.f{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px}
.page{padding:20px 24px;max-width:1500px;margin:0 auto}
.page h1{font-size:20px;margin:0 0 4px}.page .sub{color:var(--muted);margin-bottom:16px}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar input[type=search]{max-width:260px}.toolbar select{width:auto}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.card:hover{border-color:var(--line2)}
.thumb{aspect-ratio:16/9;background:#0a0d12 center/cover no-repeat;position:relative;display:grid;place-items:center;color:var(--muted);font-size:12px}
.thumb .tag{position:absolute;inset-block-start:8px;inset-inline-start:8px}
.card .body{padding:10px 12px;display:flex;flex-direction:column;gap:8px}
.card .name{font-weight:600;direction:ltr;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta{display:flex;gap:6px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.bar{height:6px;background:#0f131a;border-radius:99px;overflow:hidden}.bar>i{display:block;height:100%;background:var(--accent)}
table.t{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
table.t th,table.t td{padding:8px 12px;text-align:start;border-bottom:1px solid var(--line);vertical-align:top}
table.t th{color:var(--muted);font-weight:500;font-size:12px;background:var(--panel2)}
.stats{display:flex;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;min-width:120px}
.stat b{font-size:20px;display:block}.stat span{color:var(--muted);font-size:12px}
.empty{padding:40px;text-align:center;color:var(--muted);border:1px dashed var(--line2);border-radius:var(--radius)}
/* ---------- workbench ---------- */
.wb{display:grid;grid-template-columns:1fr 330px;grid-template-rows:minmax(0,1fr) auto;height:100%;min-height:0}
.wb.insp-off{grid-template-columns:1fr 0}
.wb-main{display:flex;flex-direction:column;min-width:0;min-height:0;grid-row:1/3}
.stage-wrap{flex:1 1 auto;min-height:200px;background:#06080b;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.stage{position:relative;width:100%;height:100%}
.stage video{width:100%;height:100%;object-fit:contain;display:block;background:#000}
.ov{position:absolute;pointer-events:none}
.ov svg{width:100%;height:100%;overflow:visible;pointer-events:none}
.ov.draw{pointer-events:auto;cursor:crosshair}
.ov.draw svg{pointer-events:auto}
.bx{fill:transparent;stroke-width:2;vector-effect:non-scaling-stroke;pointer-events:all;cursor:move}
.bx.interp{stroke-dasharray:6 4}
.bx.sel{stroke-width:3}
.hud{position:absolute;inset-block-start:8px;inset-inline-start:8px;display:flex;gap:6px;direction:ltr}
.hud .pill{background:rgba(13,16,21,.8)}
.controls{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--panel);border-block:1px solid var(--line);flex-wrap:wrap;direction:ltr}
.controls .tc{font-size:18px;min-width:112px;color:var(--accent)}
.controls .fr{color:var(--muted);min-width:90px}
.sep{width:1px;height:22px;background:var(--line2)}
.seg-ctl{display:inline-flex;border:1px solid var(--line2);border-radius:6px;overflow:hidden}
.seg-ctl button{border:0;background:var(--panel2);padding:4px 8px;border-inline-end:1px solid var(--line2)}
.seg-ctl button[aria-pressed=true]{background:var(--accent);color:var(--accent-ink)}
.tl{background:var(--panel);display:flex;direction:ltr;height:230px;min-height:140px;border-top:1px solid var(--line);position:relative}
.tl-labels{width:150px;flex:none;border-inline-end:1px solid var(--line);background:var(--panel);z-index:2;overflow:hidden}
.tl-labels .lab{padding:0 10px;display:flex;align-items:center;gap:6px;border-bottom:1px solid var(--line);font-size:12px;overflow:hidden;white-space:nowrap;direction:rtl}
.tl-scroll{flex:1;overflow:auto;position:relative}
.tl-inner{position:relative;min-height:100%}
.ruler{height:26px;position:sticky;top:0;background:var(--panel2);border-bottom:1px solid var(--line);z-index:3;cursor:text}
.tick{position:absolute;top:0;height:100%;border-left:1px solid var(--line2);font-size:10px;color:var(--muted);padding-left:3px;pointer-events:none}
.trk{position:relative;border-bottom:1px solid var(--line)}
.trk:nth-child(odd){background:rgba(255,255,255,.015)}
.sg{position:absolute;height:24px;border-radius:5px;border:1px solid;display:flex;align-items:center;padding:0 6px;font-size:11px;overflow:hidden;white-space:nowrap;cursor:grab;direction:rtl;user-select:none;touch-action:none}
.sg.inc{background:rgba(61,220,151,.22);border-color:var(--inc)}
.sg.exc{background:repeating-linear-gradient(135deg,rgba(255,107,107,.22) 0 6px,rgba(255,107,107,.1) 6px 12px);border-color:var(--exc)}
.sg.unc{background:rgba(245,184,61,.18);border-color:var(--unc);border-style:dashed}
.sg.sel{outline:2px solid var(--focus);z-index:2}
.sg .h{position:absolute;top:0;bottom:0;width:7px;cursor:ew-resize}.sg .h.l{left:0}.sg .h.r{right:0}
.kfm{position:absolute;bottom:1px;width:7px;height:7px;background:#fff;transform:translateX(-3px) rotate(45deg);pointer-events:none}
.kfm.i{background:transparent;border:1px solid #fff}
.rv{position:absolute;height:10px;top:10px;background:rgba(76,201,240,.35);border:1px solid var(--accent);border-radius:3px}
.ph{position:absolute;top:0;bottom:0;width:0;border-left:2px solid var(--exc);z-index:4;pointer-events:none}
.ph::before{content:"";position:absolute;top:0;left:-6px;border:6px solid transparent;border-top-color:var(--exc)}
.mk{position:absolute;top:0;bottom:0;width:0;border-left:2px dashed var(--inc);z-index:3;pointer-events:none}
.insp{grid-row:1/3;grid-column:2;background:var(--panel);border-inline-start:1px solid var(--line);overflow:auto;padding:12px 14px;min-width:0}
.wb.insp-off .insp{display:none}
.insp h3{font-size:13px;margin:16px 0 6px;color:var(--muted);text-transform:none;font-weight:600;display:flex;align-items:center;gap:8px}
.insp h3:first-child{margin-top:0}
.rad{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}
.rad button{padding:7px 4px;border-radius:6px;border:1px solid var(--line2);background:var(--panel2);display:flex;gap:4px;justify-content:center;align-items:center}
.rad button[aria-pressed=true].inc{background:rgba(61,220,151,.2);border-color:var(--inc)}
.rad button[aria-pressed=true].exc{background:rgba(255,107,107,.2);border-color:var(--exc)}
.rad button[aria-pressed=true].unc{background:rgba(245,184,61,.2);border-color:var(--unc)}
.list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.list li{display:flex;gap:8px;align-items:center;padding:5px 8px;background:var(--panel2);border-radius:6px;border:1px solid transparent}
.list li[aria-selected=true]{border-color:var(--accent)}
.banner{padding:8px 12px;border-radius:6px;margin:8px 0;border:1px solid}
.banner.warn{background:rgba(245,184,61,.1);border-color:#6b5320;color:var(--unc)}
.banner.bad{background:rgba(255,107,107,.1);border-color:#6b2a2a;color:var(--exc)}
.toasts{position:fixed;inset-block-end:16px;inset-inline-start:16px;display:flex;flex-direction:column;gap:8px;z-index:50}
.toast{background:var(--panel2);border:1px solid var(--line2);border-inline-start:4px solid var(--accent);padding:8px 14px;border-radius:6px;max-width:420px}
.toast.bad{border-inline-start-color:var(--exc)}
dialog{background:var(--panel);color:var(--text);border:1px solid var(--line2);border-radius:10px;padding:18px 22px;max-width:560px}
dialog::backdrop{background:rgba(0,0,0,.6)}
dialog h2{margin:0 0 10px;font-size:16px}
.keys{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;align-items:center}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.chart{width:100%;height:90px;background:#0f131a;border:1px solid var(--line);border-radius:6px}
.legend{display:flex;gap:12px;color:var(--muted);font-size:12px;margin:4px 0 10px;flex-wrap:wrap}
.swatch{display:inline-block;width:10px;height:10px;border-radius:2px;margin-inline-end:4px}
.err-row{cursor:pointer}.err-row:hover td{background:var(--panel2)}
.editgrid{display:grid;grid-template-columns:1fr 1fr 340px;gap:12px;height:100%;padding:12px}
.vbox{background:#06080b;border:1px solid var(--line);border-radius:var(--radius);position:relative;display:flex;flex-direction:column;min-height:0}
.vbox .cap{padding:6px 10px;font-size:12px;color:var(--muted);display:flex;gap:8px;align-items:center;border-bottom:1px solid var(--line)}
.vbox .stage-wrap{min-height:0}
.side{overflow:auto;display:flex;flex-direction:column;gap:10px;min-height:0}
@media (max-width:1279px){.shell{grid-template-columns:56px 1fr}.nav .lbl{display:none}}

/* Precision Studio V2 Additions */
.insp-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:12px}
.insp-tabs button{padding:8px 4px;border-radius:6px;font-size:12px;font-weight:600}
.tag{border-radius:30px;font-size:11px;font-weight:700;padding:4px 9px;border:1px solid var(--line2);color:var(--muted);white-space:nowrap;display:inline-flex;align-items:center}
.tag.green{border-color:#277f61;color:#52e2aa;background:#12372e}
.tag.blue{border-color:#3e77b5;color:#83c9ff;background:#143353}
.tag.amber{border-color:#8c6a34;color:#ffd18c;background:#46331b}
.tag.purple{border-color:#614caa;color:#c7bcff;background:#282143}
.verifybar{border:1px solid #9b6e36;background:#443118;padding:10px 13px;border-radius:8px;color:#ffdd9b;font-size:12px;margin:8px 0}
.verifybar.ok{border-color:#38886c;background:#123e31;color:#b0ffe0}
.verifybar.bad{border-color:#ac454c;background:#44272f;color:#ffc6cd}
.verifycards{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:8px 0}
.verifycard{padding:10px 8px;background:var(--panel2);border:1px solid var(--line2);border-radius:8px;text-align:center}
.verifycard strong{display:block;color:var(--text);font-size:18px}
.verifycard small{display:block;color:var(--muted);font-size:11px;margin-top:4px}
.choicegrid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.choice{border:1px solid var(--line2);border-radius:8px;background:var(--panel2);padding:10px 6px;text-align:center;font-size:12px;font-weight:600}
.choice[aria-pressed=true]{background:#1e4d38;border-color:var(--inc);color:#b8ffe1}
.choice.bad[aria-pressed=true]{background:#542328;border-color:var(--exc);color:#ffdddd}
.choice.warn[aria-pressed=true]{background:#583d1c;border-color:var(--unc);color:#ffedcd}
.choice.review[aria-pressed=true]{background:#1e3c5a;border-color:var(--accent);color:#d6edff}
.fieldrow{display:flex;flex-wrap:wrap;gap:6px}
.chip{padding:6px 10px;border:1px solid var(--line2);border-radius:6px;background:var(--panel2);color:var(--text);font-size:12px}
.chip[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:bold}
.boxhover{background:rgba(18,34,60,.9);color:#e0f2ff;padding:8px 12px;border-radius:8px;font-size:11px;border:1px solid #45769d;z-index:10;pointer-events:none}
/* ---------- quick catalog ---------- */
.qc{display:flex;flex-direction:column;gap:12px}
.qc-head{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.qc-body{display:grid;grid-template-columns:300px minmax(0,1fr);gap:16px;align-items:start}
.qc-queue{max-height:calc(100vh - 170px);overflow:auto}
.qc-queue li{cursor:pointer;justify-content:space-between}
.qc-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1}
.qc-main{display:flex;flex-direction:column;gap:12px;min-width:0}
.qc-title{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.qc-title h2{margin:0;font-size:16px}
.qc-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:14px;align-items:start}
.qc-steps{display:flex;flex-direction:column;gap:10px;min-width:0}
.qc-video{width:100%;max-height:60vh;background:#000;border-radius:var(--radius);position:sticky;top:0}
@media (max-width:1300px){.qc-split{grid-template-columns:1fr}.qc-video{position:static;max-height:40vh}}
.qc-step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px}
.qc-step.done{border-color:#2f5d3a}
.qc-step h3{margin:0 0 8px;font-size:14px;display:flex;gap:8px;align-items:center}
.qc-num{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--panel2);border:1px solid var(--line2);font-size:12px}
.qc-step.done .qc-num{background:#1f4a2b;border-color:#2f5d3a}
.qc-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.qc-row select,.qc-row input{width:auto;min-width:200px}
.qc-checks{display:flex;gap:6px;flex-wrap:wrap}
.ck{padding:4px 8px;border-radius:6px;border:1px solid var(--line2);background:var(--panel2);color:var(--text);font-size:12px;cursor:pointer}
.ck.ok{border-color:#2f5d3a;color:#8fd19e}.ck.miss{border-color:#6b2a2a;color:var(--exc)}.ck.opt{color:var(--muted)}
.qc-foot{display:flex;gap:8px;align-items:center}
@media (max-width:1100px){.qc-body{grid-template-columns:1fr}.qc-queue{max-height:220px}}
/* ---------- BOX track strip ---------- */
.strip{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:8px}
.tile{background:var(--panel2);border:1px solid var(--line2);border-radius:6px;padding:4px;display:flex;flex-direction:column;gap:4px}
.tile.cur{border-color:var(--accent)}.tile[data-status=verified_correct],.tile[data-status=corrected]{border-color:#2f5d3a}.tile[data-status=wrong_performer]{border-color:#6b2a2a}
.tile canvas{width:100%;aspect-ratio:4/3;background:#000;border-radius:4px;cursor:pointer}
.tile .tb{display:grid;grid-template-columns:repeat(4,1fr);gap:2px}.tile .tb button{padding:2px 0;font-size:12px}
.tile .tlab{display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}
.qc-evlist{display:flex;flex-direction:column;gap:10px}
.qc-ev{border:1px solid var(--line2);border-radius:var(--radius);padding:8px 10px;background:var(--panel2)}.qc-ev.done{border-color:#2f5d3a}
.qc-ev-h{display:flex;gap:8px;align-items:center;margin-bottom:6px}
.qc-fields{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:6px;margin:0}
.qc-field{display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:start;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:var(--panel);color:var(--text);cursor:pointer;min-width:0}
.qc-field dt{font-size:11px;color:var(--muted)}.qc-field dd{margin:0;font-size:13px;overflow:hidden;text-overflow:ellipsis;max-width:100%}
.qc-field.ok dt{color:#8fd19e}.qc-field.miss{border-color:#6b2a2a}.qc-field.miss dt{color:var(--exc)}