:root{color:#202124;background:#f5f7f9;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input,select{font:inherit}button{cursor:pointer}.shell{min-height:100vh;padding:28px}.workspace{width:min(1220px,100%);margin:0 auto}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:20px}.eyebrow{margin:0 0 4px;color:#0f766e;font-size:13px;font-weight:700;letter-spacing:0;text-transform:uppercase}h1,h2,h3,p{margin:0}h1{font-size:30px;line-height:1.2}h2{font-size:18px}h3{font-size:16px}.health{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid #d5dce3;border-radius:8px;color:#5c6670;background:#fff;white-space:nowrap}.health span{width:9px;height:9px;border-radius:999px;background:#d63b3b}.health.ok span{background:#15803d}.grid{display:grid;grid-template-columns:minmax(300px,1.05fr) minmax(320px,1fr);gap:16px}.panel{border:1px solid #dce3ea;border-radius:8px;background:#fff;padding:18px}.upload-panel,.result-panel{min-height:280px}.result-panel{grid-column:1 / -1}.dropzone{position:relative;display:grid;min-height:184px;place-items:center;border:2px dashed #b8c3ce;border-radius:8px;background:#f9fbfc;transition:border-color .2s ease,background .2s ease}.dropzone.dragging{border-color:#0f766e;background:#eefaf7}.dropzone input{position:absolute;inset:0;opacity:0;cursor:pointer}.dropzone label{display:grid;gap:8px;color:#5b6470;text-align:center;pointer-events:none}.dropzone strong{color:#1f2937;font-size:20px}.file-list{display:grid;gap:10px;margin-top:14px}.file-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px;border:1px solid #e0e5ea;border-radius:8px}.file-row div{min-width:0}.file-row strong,.file-row span{display:block}.file-row strong{overflow:hidden;color:#1f2937;text-overflow:ellipsis;white-space:nowrap}.file-row span{margin-top:2px;color:#6b7280;font-size:13px}.ghost{border:1px solid #d0d7de;border-radius:6px;background:#fff;color:#334155;padding:7px 10px}.mode-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}.mode-tabs button{border:1px solid #ccd6df;border-radius:8px;background:#fff;color:#334155;padding:10px}.mode-tabs button.active{border-color:#0f766e;background:#e8f7f4;color:#0f5f59;font-weight:700}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.panel-title span{color:#64748b;font-size:13px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.form-grid.compact{margin-top:12px}label span{display:block;margin-bottom:6px;color:#475569;font-size:13px;font-weight:650}input,select{width:100%;height:40px;border:1px solid #cdd6df;border-radius:6px;background:#fff;color:#202124;padding:0 10px}input[readonly]{color:#64748b;background:#f7f9fb}.switch-list{display:grid;gap:10px;margin-top:14px}.switch{display:flex;align-items:flex-start;gap:10px;color:#334155}.switch input{width:18px;height:18px;margin-top:2px}.switch span{margin:0;font-size:14px;font-weight:500}.primary{width:100%;margin-top:16px;border:0;border-radius:8px;background:#0f766e;color:#fff;padding:12px 16px;font-weight:800}.primary:disabled{cursor:not-allowed;opacity:.55}.error{margin-top:10px;color:#b42318}.hint{margin-top:10px;color:#64748b;font-size:13px;line-height:1.6}.progress{height:10px;overflow:hidden;border-radius:999px;background:#e5eaf0}.progress div{height:100%;border-radius:inherit;background:#0f766e;transition:width .2s ease}.job-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;color:#64748b;font-size:13px}.downloads{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.downloads a{border-radius:6px;background:#1f2937;color:#fff;padding:9px 12px;text-decoration:none}.preview-player{display:grid;gap:12px;margin-top:16px;border-top:1px solid #e0e5ea;padding-top:16px}.preview-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.preview-head p{margin-top:4px;color:#64748b;font-size:13px}.preview-tabs{display:flex;flex-wrap:wrap;gap:8px}.preview-tabs button{border:1px solid #ccd6df;border-radius:6px;background:#fff;color:#334155;padding:8px 11px}.preview-tabs button.active{border-color:#0f766e;background:#e8f7f4;color:#0f5f59;font-weight:700}.single-preview,.compare-item{display:grid;gap:8px}.single-preview span,.compare-item span{color:#475569;font-size:13px;font-weight:700}.single-preview video,.compare-item video{width:100%;max-height:70vh;border-radius:8px;background:#0f172a}.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}pre,.empty{min-height:112px;margin-top:14px;border:1px solid #e0e5ea;border-radius:8px;background:#f8fafc;color:#475569;padding:12px}pre{overflow:auto;max-height:220px;white-space:pre-wrap}.empty{display:grid;place-items:center;text-align:center}@media(max-width:820px){.shell{padding:18px}.topbar,.grid{display:grid}.grid,.form-grid,.compare-grid{grid-template-columns:1fr}.health{justify-self:start}}