:root{
  --bg:#0a0a0b; --panel:#121214; --panel2:#17171a; --line:#262629;
  --txt:#e8e8ea; --dim:#8a8a90; --accent:#ffffff; --accent2:#00e0c0;
  --pro:#caa24a; --danger:#ff5a5a;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--txt);
  font:13px/1.4 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}
.hidden{display:none!important}
/* header */
header{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--line);
  background:var(--panel);height:52px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;letter-spacing:.5px;cursor:pointer}
.logo .mark{width:22px;height:22px;border:2px solid var(--txt);border-radius:50%;position:relative}
.logo .mark::after{content:"";position:absolute;inset:4px;border:2px solid var(--txt);border-radius:50%}
.logo-img{width:32px;height:32px;object-fit:contain;mix-blend-mode:screen;flex:none}
.logo-svg{width:28px;height:28px;flex:none}
.badge{font-size:10px;color:var(--bg);background:var(--accent2);padding:2px 6px;border-radius:4px;font-weight:700}
.toolname{font-weight:700;color:var(--dim);border-left:1px solid var(--line);padding-left:12px}
header .spacer{flex:1}
.inputBtns{display:flex;gap:8px}
.hbtn{background:var(--panel2);color:var(--txt);border:1px solid var(--line);padding:7px 11px;border-radius:7px;
  cursor:pointer;font-weight:600;font-size:12px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.hbtn:hover{border-color:#3a3a40;background:#1d1d21}
.hbtn.primary{background:var(--accent);color:#000;border-color:var(--accent)}
.hbtn.rec{color:var(--danger);border-color:#5a2a2a}
.hbtn.rec.active{background:var(--danger);color:#fff;border-color:var(--danger)}
.hbtn.cam.active,.hbtn.active{background:var(--accent2);color:#000;border-color:var(--accent2)}
/* hub */
.hub{height:calc(100% - 52px);overflow-y:auto;padding:38px 42px 60px}
.hub-head h1{margin:0 0 6px;font-size:26px;letter-spacing:.3px}
.hub-head p{margin:0 0 26px;color:var(--dim);font-size:14px}
.hub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;max-width:1200px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;cursor:pointer;
  transition:.14s;position:relative;overflow:hidden;min-height:128px;display:flex;flex-direction:column}
.card:hover{border-color:var(--accent2);transform:translateY(-2px);background:#141417}
.card .ico{width:46px;height:46px;border-radius:10px;background:#000;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.card h3{margin:0 0 5px;font-size:15px}
.card p{margin:0;color:var(--dim);font-size:12.5px;line-height:1.45;flex:1}
.card .tag{margin-top:10px;font-size:10.5px;color:var(--accent2);text-transform:uppercase;letter-spacing:.5px}
.card.combine{border-color:var(--accent2);background:linear-gradient(135deg,#10201e,#121214)}
.card.combine .ico{border-color:var(--accent2)}
/* gallery */
.gallery-head{margin:40px 0 18px;max-width:1200px}
.gallery-head h2{margin:0 0 5px;font-size:20px}
.gallery-head p{margin:0;color:var(--dim);font-size:13px}
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;max-width:1200px;padding-bottom:50px}
.gcard{background:var(--panel);border:1px solid var(--line);border-radius:11px;overflow:hidden;cursor:pointer;transition:.14s}
.gcard:hover{border-color:var(--accent2);transform:translateY(-2px)}
.gthumb{height:96px;width:100%}
.gmeta{padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.gmeta b{font-size:13.5px}
.gmeta span{color:var(--dim);font-size:11.5px}
.gcard{position:relative}
.gcard.mine{border-color:#2a4a44}
.gdel{position:absolute;top:6px;right:6px;background:rgba(0,0,0,.55);border:1px solid var(--line);color:var(--dim);
  border-radius:5px;width:20px;height:20px;cursor:pointer;font-size:10px;line-height:1;padding:0;z-index:2}
.gdel:hover{color:var(--danger);border-color:#5a2a2a}
select#camPick.hbtn{max-width:150px;text-overflow:ellipsis;font-weight:600}
.card.soon{opacity:.55;cursor:default}
.card.soon:hover{transform:none;border-color:var(--line)}
.card .soonbadge{position:absolute;top:10px;right:10px;font-size:9px;color:var(--dim);border:1px solid var(--line);
  border-radius:4px;padding:1px 5px;letter-spacing:.5px}
/* tool layout */
main{display:flex;height:calc(100% - 52px)}
.stage{flex:1;display:flex;align-items:center;justify-content:center;
  background:#000 repeating-linear-gradient(45deg,#0b0b0c 0 12px,#0d0d0e 12px 24px);position:relative;overflow:hidden;min-width:0}
canvas#view{max-width:100%;max-height:100%;display:block;box-shadow:0 0 0 1px var(--line)}
.hint{position:absolute;color:var(--dim);text-align:center;pointer-events:none;font-size:14px;max-width:80%}
.hint b{color:var(--txt)}
.recdot{position:absolute;top:12px;left:12px;display:none;align-items:center;gap:7px;
  background:rgba(0,0,0,.6);padding:5px 9px;border-radius:20px;font-size:11px;color:#fff}
.recdot.on{display:flex}
.recdot i{width:9px;height:9px;border-radius:50%;background:var(--danger);animation:blink 1s infinite}
@keyframes blink{50%{opacity:.25}}
.stat{position:absolute;bottom:10px;left:12px;font:11px/1.3 ui-monospace,monospace;color:var(--dim);
  background:rgba(0,0,0,.5);padding:4px 8px;border-radius:6px}
/* panel */
.panel{width:330px;flex:none;background:var(--panel);border-left:1px solid var(--line);overflow-y:auto;overflow-x:hidden}
.panel::-webkit-scrollbar{width:10px}
.panel::-webkit-scrollbar-thumb{background:#2a2a2e;border-radius:8px}
.grp{border-bottom:1px solid var(--line)}
.grp>h3{margin:0;padding:11px 14px;font-size:12px;letter-spacing:.4px;text-transform:uppercase;color:var(--dim);
  cursor:pointer;display:flex;align-items:center;gap:8px;user-select:none}
.grp>h3 .chev{margin-left:auto;transition:transform .15s;color:#55555c}
.grp.collapsed .chev{transform:rotate(-90deg)}
.grp.collapsed .grp-body{display:none}
.grp-body{padding:4px 14px 12px}
.row{display:flex;align-items:center;gap:8px;margin:9px 0;min-height:24px}
.row label{flex:1;color:var(--txt);font-size:12.5px;display:flex;align-items:center;gap:6px}
.row .val{color:var(--dim);font:11px ui-monospace,monospace;min-width:34px;text-align:right}
.pro-tag{font-size:8.5px;font-weight:800;color:var(--pro);border:1px solid var(--pro);border-radius:3px;
  padding:0 3px;letter-spacing:.5px;opacity:.85}
.seg{display:flex;flex-wrap:wrap;gap:4px;justify-content:flex-end}
.seg button{background:var(--panel2);border:1px solid var(--line);color:var(--dim);padding:4px 8px;border-radius:6px;
  cursor:pointer;font-size:11px;font-weight:600}
.seg button.on{background:var(--accent);color:#000;border-color:var(--accent)}
select.dd{background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:6px;padding:5px 6px;
  font-size:12px;max-width:160px}
input[type=text]{background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:6px;
  padding:5px 7px;font-size:12px;width:150px}
input[type=range]{flex:1;accent-color:var(--accent2);height:4px}
input[type=color]{width:34px;height:24px;border:1px solid var(--line);border-radius:6px;background:var(--panel2);cursor:pointer;padding:1px}
.sw{width:40px;height:22px;border-radius:20px;background:#2a2a2e;position:relative;cursor:pointer;border:1px solid var(--line);
  flex:none;transition:background .15s}
.sw::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#777;transition:.15s}
.sw.on{background:var(--accent2)}
.sw.on::after{left:20px;background:#022}
.anim-btn{background:var(--panel2);border:1px solid var(--line);color:#666;border-radius:5px;width:22px;height:22px;
  cursor:pointer;flex:none;padding:0;font-size:12px;line-height:1}
.anim-btn:hover{border-color:#3a3a40;color:var(--accent2)}
.anim-btn.on-anim{background:var(--accent2);color:#022;border-color:var(--accent2)}
.audio-btn{background:var(--panel2);border:1px solid var(--line);color:#666;border-radius:5px;width:20px;height:22px;cursor:pointer;flex:none;padding:0;font-size:10px;font-weight:700;line-height:1}
.audio-btn:hover{border-color:#3a3a40;color:#ff9a4a}
.audio-btn.on-aud{background:#ff8a3a;color:#221100;border-color:#ff8a3a}
.note{color:var(--dim);font-size:11px;margin:2px 0 6px;line-height:1.45}
/* keyframe timeline */
body.tl-open main{height:calc(100% - 52px - 156px)}
.timeline{position:fixed;left:0;right:0;bottom:0;height:156px;background:var(--panel);border-top:1px solid var(--line);
  display:flex;flex-direction:column;z-index:30}
.timeline.hidden{display:none}
.tl-transport{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--line)}
.tl-transport .hbtn{padding:5px 9px}
.tl-transport .hbtn.rec.active{background:var(--danger);color:#fff;border-color:var(--danger)}
.tl-time{font:11px ui-monospace,monospace;color:var(--dim);min-width:84px}
.tl-dur{display:flex;align-items:center;gap:6px;color:var(--dim);font-size:11px}
.tl-dur input[type=range]{width:90px}
.tl-hint{color:#55555c;font-size:11px;margin-left:auto;max-width:40%;line-height:1.3;text-align:right}
.tl-tracks{flex:1;overflow-y:auto;padding:6px 12px}
.tl-row{display:flex;align-items:center;gap:8px;margin:5px 0}
.tl-label{width:155px;flex:none;font-size:11.5px;color:var(--txt);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl-lane{flex:1;height:22px;background:var(--panel2);border:1px solid var(--line);border-radius:5px;position:relative;cursor:crosshair}
.tl-kf{position:absolute;top:50%;width:11px;height:11px;background:var(--accent2);border:1px solid #022;border-radius:2px;
  transform:translate(-50%,-50%) rotate(45deg);cursor:grab;z-index:2}
.tl-playhead{position:absolute;top:0;bottom:0;width:2px;background:#ff5a5a;left:0;pointer-events:none;z-index:1}
.tl-rm{background:var(--panel2);border:1px solid var(--line);color:var(--danger);border-radius:5px;width:22px;height:22px;cursor:pointer;flex:none;padding:0;font-size:10px}
.tl-empty{color:var(--dim);font-size:12px;padding:14px 4px;text-align:center}
.tl-ease{background:var(--panel2);color:var(--dim);border:1px solid var(--line);border-radius:5px;font-size:10px;padding:2px;width:64px;flex:none}
/* performance / fullscreen mode */
body.perf header,body.perf .panel,body.perf #timeline,body.perf .stat,body.perf .hint{display:none!important}
body.perf main{height:100vh!important}
body.perf .stage{background:#000}
.perf-exit{display:none;position:fixed;top:14px;right:16px;z-index:60;background:rgba(0,0,0,.55);border:1px solid var(--line);
  color:var(--dim);font-size:11px;padding:5px 10px;border-radius:8px;pointer-events:none}
body.perf .perf-exit{display:block}
/* scrub ruler */
.tl-ruler{flex:1;height:18px;background:#1a1a1e;border:1px solid var(--line);border-radius:5px;position:relative;cursor:ew-resize;
  background-image:repeating-linear-gradient(90deg,transparent 0,transparent 9.8%,rgba(255,255,255,.08) 10%,rgba(255,255,255,.08) 10.2%)}
.tl-rspacer{width:94px;flex:none}
select#qSel.hbtn{max-width:110px;font-weight:600}
/* help modal */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.62);z-index:80;display:flex;align-items:center;justify-content:center}
.modal.hidden{display:none}
.modal-box{background:var(--panel);border:1px solid var(--line);border-radius:14px;max-width:560px;width:90%;max-height:86vh;overflow:auto;padding:24px 26px;position:relative}
.modal-box h2{margin:0 0 14px;font-size:20px}
.modal-box h3{margin:18px 0 8px;font-size:14px;color:var(--accent2)}
.modal-box ol,.modal-box ul{margin:0;padding-left:20px;line-height:1.7;font-size:13.5px;color:var(--txt)}
.modal-box ul.kb{list-style:none;padding-left:0}
.modal-box ul.kb li{margin:4px 0}
.modal-box .muted{color:var(--dim);font-size:12.5px;margin-top:16px}
.modal-x{position:absolute;top:12px;right:14px;background:var(--panel2);border:1px solid var(--line);color:var(--dim);
  width:28px;height:28px;border-radius:7px;cursor:pointer;font-size:13px}
.modal-x:hover{color:var(--txt);border-color:#3a3a40}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#1d1d21;border:1px solid var(--line);
  color:var(--txt);padding:9px 15px;border-radius:9px;font-size:12.5px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:50}
.toast.on{opacity:1}
kbd{background:#000;border:1px solid var(--line);border-radius:4px;padding:0 5px;font-size:11px}