:root{
  --bg:#07080b;
  --win:#0c0e13;
  --panel:#12141a;
  --panel2:#171a21;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#eef0f4;
  --dim:#8b8fa3;
  --dim2:#5c6070;
  --violet:#6d5ef1;
  --violet2:#8a7bff;
  --blue:#4f6bf0;
  --green:#3ddc97;
  --warn:#ff7a68;
  --grad: linear-gradient(135deg,var(--blue) 0%,var(--violet) 100%);
  --r:14px;
  --r-sm:9px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;color:var(--text);font-family:'Inter',system-ui,Arial,sans-serif;font-size:13.5px;
  background:
    radial-gradient(900px 500px at 8% 0%, rgba(139,124,255,.20), transparent 60%),
    radial-gradient(800px 480px at 100% 8%, rgba(61,220,151,.14), transparent 55%),
    #05060a;
}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:8px}
::-webkit-scrollbar-track{background:transparent}

.app-shell{padding:22px;display:flex;justify-content:center}
.app-window{width:100%;max-width:1440px;background:var(--win);border-radius:18px;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 0 0 1px rgba(139,124,255,.10), 0 30px 80px -20px rgba(0,0,0,.7), 0 0 60px -10px rgba(61,220,151,.08);
  overflow:hidden;display:flex;flex-direction:column}

.titlebar{display:flex;align-items:center;gap:14px;padding:13px 18px;border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.02)}
.brand{display:flex;align-items:center;gap:9px;font-size:14px}
.brand b{font-weight:700}
.mark{width:18px;height:18px;border-radius:5px;background:var(--grad);position:relative;flex:none;
  box-shadow:0 0 0 1px rgba(255,255,255,.15) inset}
.mark::after{content:"";position:absolute;inset:4px;background:var(--win);
  clip-path:polygon(30% 0,100% 50%,30% 100%,30% 68%,58% 50%,30% 32%)}
.status{display:flex;align-items:center;gap:0;color:var(--dim);font-size:11.5px;font-weight:600;margin-left:6px}
.status span{width:6px;height:6px;border-radius:50%;background:var(--dim2);margin-right:7px}
.status .ready{background:var(--green);box-shadow:0 0 7px var(--green)}
.status .busy{background:var(--warn);box-shadow:0 0 7px var(--warn)}
.winctrls{margin-left:auto;display:flex;gap:8px}
.wc{width:13px;height:13px;border-radius:50%;border:1px solid var(--line-strong);background:var(--panel2);
  cursor:pointer;padding:0}
.wc-close:hover{background:#ff5f57;border-color:#ff5f57}
.wc:not(.wc-close):hover{background:var(--line-strong)}

.workspace{display:grid;grid-template-columns:288px 1fr 280px;gap:16px;padding:16px;align-items:start}
.panel{display:flex;flex-direction:column;gap:14px;min-width:0}
.panel-center{display:flex;flex-direction:column;gap:14px;min-width:0}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:15px}
.card h2{margin:0 0 12px;font-size:13px;font-weight:700;color:var(--text)}

.field-label{display:block;font-size:11px;color:var(--dim);margin-bottom:7px;font-weight:600}
.field-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:12px}
.field-row .field-label{margin:0}
.field-row select{flex:none}
.status-row{margin-top:9px}
.status-inline{background:transparent!important;border:0!important;color:var(--green)!important;
  font-weight:700;text-align:right;padding:0!important;font-size:12px;width:auto;flex:1}

.row{display:flex;gap:8px;flex-wrap:wrap}
.row-tight{gap:7px;flex-wrap:nowrap}
.ref-time-input{width:76px;flex:none}

input[type=number],input[type=text],select{border:1px solid var(--line);background:var(--panel2);color:var(--text);
  padding:9px 10px;border-radius:var(--r-sm);font-size:12.5px;font-family:inherit}
select{cursor:pointer;width:100%}
input[readonly]{background:transparent}

.button{border:1px solid var(--line);background:var(--panel2);color:var(--text);
  padding:9px 13px;border-radius:var(--r-sm);cursor:pointer;font-size:12px;font-weight:600;
  transition:.15s;font-family:inherit;white-space:nowrap}
.button:hover{border-color:var(--line-strong);background:rgba(255,255,255,.08)}
.button.full{width:100%}
.primary{background:var(--grad)!important;color:#fff!important;border:0!important;font-weight:700;
  text-decoration:none;box-shadow:0 6px 18px -6px rgba(79,107,240,.55)}
.primary:hover{filter:brightness(1.1)}
.danger{border-color:rgba(255,122,104,.4)!important;color:var(--warn)!important;background:rgba(255,122,104,.07)!important}
button:disabled{opacity:.35;cursor:not-allowed}
.disabled-link{pointer-events:none;opacity:.4}

.ref-thumb{position:relative;height:112px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#000;overflow:hidden;margin:10px 0 12px;display:flex;align-items:center;justify-content:center}
.ref-thumb canvas{width:100%;height:100%;object-fit:cover;display:none}
.ref-thumb.has-frame canvas{display:block}
.ref-thumb.has-frame .ref-thumb-empty{display:none}
.ref-thumb-empty{color:var(--dim2);font-size:11.5px}

.presets{margin-top:12px}
.presets button{flex:1;min-width:64px;background:var(--panel2)}

.slider{margin-bottom:13px}
.slider label{display:flex;justify-content:space-between;font-size:12px;margin-bottom:7px;font-weight:600;color:#d7d9ea}
.slider output{color:var(--violet2);font-family:'SF Mono',monospace;font-size:11.5px;font-weight:700}
.slider input[type=range]{width:100%;-webkit-appearance:none;background:var(--panel2);border-radius:6px;height:4px;outline:none}
.slider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;
  background:#fff;box-shadow:0 0 0 3px rgba(109,94,241,.5);cursor:pointer;margin-top:-5px}
.slider input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;
  box-shadow:0 0 0 3px rgba(109,94,241,.5);border:0;cursor:pointer}
.slider input[type=range]::-moz-range-track{background:var(--panel2);height:4px;border-radius:6px}

.dropzone{min-height:230px;border:1.5px dashed var(--line-strong);border-radius:var(--r-sm);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;cursor:pointer;
  text-align:center;transition:.15s;background:rgba(109,94,241,.04)}
.dropzone:hover{border-color:var(--violet);background:rgba(109,94,241,.08)}
.dropzone.drag{border-color:var(--green);background:rgba(61,220,151,.08)}
.dropzone strong{font-size:14.5px}
.dropzone span,.hint,.meta{color:var(--dim);font-size:11.5px}
.dropzone input{display:none}

.preview-card{padding:14px}
.preview{position:relative}
.compare-stage{position:relative;width:100%;aspect-ratio:16/9;border-radius:11px;overflow:hidden;background:#000;
  user-select:none;touch-action:none}
.compare-stage canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000}
#beforeCanvas{clip-path:inset(0 50% 0 0)}
.compare-tag{position:absolute;top:12px;z-index:3;padding:6px 12px;border-radius:8px;font-size:11.5px;font-weight:700;
  background:rgba(9,10,14,.72);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.1)}
.compare-tag-l{left:12px}
.compare-tag-r{right:12px}
.compare-handle{position:absolute;top:0;bottom:0;left:50%;width:0;z-index:4;cursor:ew-resize;transform:translateX(-50%)}
.ch-line{position:absolute;top:0;bottom:0;left:0;width:2px;background:rgba(255,255,255,.85);transform:translateX(-1px)}
.ch-knob{position:absolute;top:50%;left:0;transform:translate(-50%,-50%);width:34px;height:34px;border-radius:50%;
  background:#fff;color:#111;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
  box-shadow:0 4px 14px rgba(0,0,0,.4);letter-spacing:-1px}
.source-video{position:absolute;width:1px;height:1px;opacity:.001;pointer-events:none}
.badge{position:absolute;z-index:5;top:14px;left:50%;transform:translateX(-50%);padding:6px 11px;border:1px solid var(--warn);
  background:rgba(12,14,19,.9);color:var(--warn);border-radius:8px;font-size:11px;font-weight:700}

.player-bar{display:grid;grid-template-columns:auto 1fr auto auto;gap:12px;align-items:center;margin-top:12px}
.pb-transport,.pb-right{display:flex;gap:6px;align-items:center}
.pb-icon{width:30px;height:30px;border-radius:8px;border:1px solid var(--line);background:var(--panel2);
  color:var(--text);cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center;padding:0}
.pb-icon:hover{border-color:var(--line-strong)}
.pb-play{width:34px;height:34px;background:var(--grad);border:0;color:#fff}
.player-bar input[type=range]{width:100%;-webkit-appearance:none;background:var(--panel2);border-radius:6px;height:4px}
.player-bar input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;
  background:var(--violet2);cursor:pointer;margin-top:-4px}
#timeText{font-size:11px;color:var(--dim);font-family:'SF Mono',monospace;white-space:nowrap}

.filmstrip{display:flex;gap:5px;margin-top:11px;overflow-x:auto;padding-bottom:2px}
.filmstrip img{height:52px;width:78px;object-fit:cover;border-radius:6px;border:1px solid var(--line);flex:none}

.apply-area{padding:15px}
.apply-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.apply-head select{width:auto;min-width:190px}
.range-form{border:1px solid var(--line);border-radius:var(--r-sm);padding:12px;margin:10px 0;background:rgba(255,255,255,.02)}
.range-name-label{display:flex;flex-direction:column;gap:7px;margin-top:10px;font-size:12px;color:var(--dim)}
.range-name-label input{width:100%}
.range-actions{margin-top:9px}.range-actions .button{flex:1}
.range-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.range-empty{border:1px dashed var(--line);border-radius:var(--r-sm);padding:16px;text-align:center;color:var(--dim2);font-size:12.5px}
.range-item{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:10px 12px;background:rgba(255,255,255,.02);cursor:pointer}
.range-item:hover{border-color:var(--line-strong)}
.range-item.active{border-color:var(--violet);box-shadow:0 0 0 1px rgba(109,94,241,.3)}
.range-dot{width:8px;height:8px;border-radius:50%;background:var(--violet2);flex:none;box-shadow:0 0 6px var(--violet2)}
.range-item-body{flex:1;min-width:0}
.range-item-title{font-weight:700;font-size:12.5px}
.range-item-time{color:var(--dim);font-size:11.5px;font-family:'SF Mono',monospace;margin-top:2px}
.range-item-actions{display:flex;gap:4px;flex:none}
.range-item-actions button{width:28px;height:28px;border-radius:7px;border:1px solid var(--line);background:var(--panel2);
  color:var(--dim);cursor:pointer;font-size:12px;padding:0}
.range-item-actions button:hover{color:var(--text);border-color:var(--line-strong)}
.range-item-actions button.danger{color:var(--warn)}

canvas#scope{width:100%;height:120px;background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:10px;display:block}
.legend{display:flex;justify-content:space-between;color:var(--dim2);font-size:10px;margin-top:7px;
  text-transform:uppercase;letter-spacing:.08em;font-weight:700}

.progress-card{padding:15px}
.progress-head{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;font-weight:700;color:var(--dim)}
.progress-head b{color:var(--text)}
.progress{height:8px;background:var(--panel2);border-radius:6px;overflow:hidden;margin-top:10px;border:1px solid var(--line)}
.progress div{height:100%;width:0;background:var(--grad);transition:width .2s}

.log-card{display:none}
pre{color:var(--dim);font-size:10.5px;max-height:120px;overflow:auto;white-space:pre-wrap;
  background:rgba(0,0,0,.25);border-radius:10px;padding:10px;border:1px solid var(--line)}

.hidden{display:none!important}
footer{text-align:center;color:var(--dim2);font-size:11px;padding:14px;border-top:1px solid var(--line)}

@media(max-width:1180px){.workspace{grid-template-columns:1fr}.panel-right,.panel-left{order:2}}
@media(max-width:560px){.app-shell{padding:0}.app-window{border-radius:0}.workspace{padding:12px}.card{padding:12px}}

/* v7 — premium layout and control refinements */
.workspace{grid-template-columns:minmax(270px,288px) minmax(0,1fr) minmax(260px,280px)}
.panel,.panel-center,.card{min-width:0}
.card{overflow:hidden;box-shadow:0 12px 30px rgba(0,0,0,.14)}
.row>*{min-width:0}
.field-row select,.quality select,.quality input{max-width:100%}
.quality{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.quality label{display:flex;flex-direction:column;gap:7px;color:var(--dim);font-size:11.5px}
.quality input,.quality select{width:100%}
.apply-head .row{align-items:center}
.apply-head select{max-width:230px}

.presets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:14px}
.preset-btn{position:relative;isolation:isolate;display:flex;align-items:center;gap:10px;min-height:62px;width:100%;padding:10px 11px;border:1px solid rgba(255,255,255,.09);border-radius:12px;color:var(--text);background:linear-gradient(145deg,rgba(255,255,255,.055),rgba(255,255,255,.018));cursor:pointer;text-align:left;overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease,filter .2s ease;font-family:inherit}
.preset-btn::before{content:"";position:absolute;inset:-80% -30%;z-index:-1;background:linear-gradient(115deg,transparent 32%,rgba(255,255,255,.16) 48%,transparent 64%);transform:translateX(-60%) rotate(8deg);transition:transform .55s ease}
.preset-btn::after{content:"";position:absolute;inset:auto -15% -65% 20%;height:85%;z-index:-2;border-radius:50%;filter:blur(24px);opacity:.3;transition:opacity .2s ease,transform .2s ease}
.preset-btn:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.22);box-shadow:0 12px 24px rgba(0,0,0,.26),0 0 0 1px rgba(255,255,255,.03) inset}
.preset-btn:hover::before{transform:translateX(70%) rotate(8deg)}
.preset-btn:hover::after{opacity:.55;transform:scale(1.12)}
.preset-btn:active{transform:translateY(0) scale(.985)}
.preset-btn.is-active{border-color:rgba(138,123,255,.68);box-shadow:0 0 0 1px rgba(138,123,255,.2) inset,0 10px 28px rgba(79,107,240,.24)}
.preset-btn span:last-child{display:flex;min-width:0;flex-direction:column;gap:3px}
.preset-btn b{font-size:12px;letter-spacing:.01em}
.preset-btn small{color:var(--dim);font-size:9.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.preset-icon{display:grid;place-items:center;width:31px;height:31px;flex:none;border-radius:10px;background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.09);font-size:14px;box-shadow:0 7px 15px rgba(0,0,0,.18)}
.preset-auto::after{background:#6d5ef1}.preset-cinematic::after{background:#335cff}.preset-vivid::after{background:#d849d8}.preset-warm::after{background:#ff8b3d}.preset-reset::after{background:#697184}
.preset-reset{grid-column:1/-1;min-height:51px}

.lut-status{display:flex;align-items:center;gap:8px;margin-top:9px;padding:8px 10px;border-radius:9px;background:rgba(255,255,255,.025);border:1px solid var(--line);color:var(--dim);font-size:10.5px}
.lut-status-dot{width:7px;height:7px;border-radius:50%;background:var(--dim2);box-shadow:0 0 0 3px rgba(255,255,255,.025)}
.lut-status.ok{color:var(--green);border-color:rgba(61,220,151,.24);background:rgba(61,220,151,.055)}
.lut-status.ok .lut-status-dot{background:var(--green);box-shadow:0 0 9px rgba(61,220,151,.8)}
.lut-status.error{color:var(--warn);border-color:rgba(255,122,104,.3);background:rgba(255,122,104,.055)}
.lut-status.error .lut-status-dot{background:var(--warn);box-shadow:0 0 9px rgba(255,122,104,.7)}

@media(max-width:1320px) and (min-width:1181px){.workspace{grid-template-columns:260px minmax(0,1fr) 250px}.presets{grid-template-columns:1fr}.preset-reset{grid-column:auto}.card{padding:13px}}
@media(max-width:720px){.quality{grid-template-columns:1fr}.presets{grid-template-columns:1fr}.preset-reset{grid-column:auto}.player-bar{grid-template-columns:auto minmax(90px,1fr);gap:8px}.player-bar #timeText{grid-column:1/-1}.pb-right{justify-self:end}.apply-head .row{width:100%}.apply-head select{flex:1;max-width:none}}