*{box-sizing:border-box}[hidden]{display:none!important}:root{--bg:#0e1116;--panel:#151a22;--panel-2:#1b212c;--line:#262e3b;--text:#dfe5ee;--dim:#8b95a7;--accent:#4f8cff;--accent-2:#38d3b0}html,body{background:var(--bg);height:100%;color:var(--text);margin:0;font:14px/1.45 system-ui,-apple-system,Segoe UI,sans-serif}#app{height:100vh;height:100dvh;display:flex}button,input,select,label{touch-action:manipulation}.panel{background:var(--panel);border-right:1px solid var(--line);flex-direction:column;flex:0 0 320px;width:320px;min-height:0;display:flex}.panel-scroll{flex-direction:column;flex:1;gap:14px;min-height:0;padding:20px 18px;display:flex;overflow-y:auto}.panel header{align-items:flex-start;gap:10px;display:flex}.panel header .logo{flex:none;width:36px;height:36px}.panel header h1{letter-spacing:.04em;margin:0;font-size:22px}.panel header p{color:var(--dim);margin:2px 0 0;font-size:12px}.side-section{flex-direction:column;gap:14px;display:flex}.side-section+.side-section{border-top:1px solid var(--line);padding-top:14px}.side-section h2{letter-spacing:.09em;text-transform:uppercase;color:var(--dim);margin:0;font-size:11px;font-weight:600}.clip-info{color:var(--dim);background:var(--panel-2);border-radius:8px;padding:8px 10px;font-size:12px}.clip-info .clip-name{color:var(--text);text-overflow:ellipsis;white-space:nowrap;margin-bottom:6px;font-weight:600;overflow:hidden}.clip-info dl{grid-template-columns:auto 1fr;gap:2px 12px;margin:0;display:grid}.clip-info dt{color:var(--dim)}.clip-info dd{color:var(--text);text-align:right;font-variant-numeric:tabular-nums;margin:0}.clip-info .clip-note{margin:6px 0 0;font-size:11.5px}.clip-info .clip-note.warn{color:var(--warn,#e6a23c)}.mode-toggle{background:var(--panel-2);border-radius:9px;gap:3px;padding:3px;display:flex}.mode-toggle button{color:var(--dim);cursor:pointer;font:inherit;background:0 0;border:0;border-radius:7px;flex:1;padding:7px 4px;font-size:13px}.mode-toggle button.active{background:var(--accent);color:#fff}.mode-hint{color:var(--dim);margin:-6px 0 0;font-size:11.5px}#params{flex-direction:column;gap:14px;display:flex}.param-row{grid-template-columns:1fr 64px;align-items:center;gap:6px 10px;display:grid}.param-row label{color:var(--text);grid-column:1/-1;justify-content:space-between;font-size:12.5px;display:flex}.param-row label small{color:var(--dim)}.param-row label .lbl{align-items:center;gap:6px;display:inline-flex}.param-row label small.auto-toggle{cursor:pointer;align-items:center;gap:4px;display:inline-flex}.param-row label small.auto-toggle input{accent-color:var(--accent);margin:0}.param-row input:disabled{opacity:.45}.info-btn{border:1px solid var(--dim);width:15px;height:15px;color:var(--dim);cursor:pointer;opacity:.8;background:0 0;border-radius:50%;flex:none;padding:0;font:italic 700 10px/1 Georgia,Times New Roman,serif}.info-btn:hover,.info-btn[aria-expanded=true]{color:var(--accent);border-color:var(--accent);opacity:1}.param-info{color:var(--dim);background:var(--panel-2);border-left:2px solid var(--accent);border-radius:0 6px 6px 0;grid-column:1/-1;margin:-2px 0 2px;padding:6px 9px;font-size:11.5px;line-height:1.5}.param-row input[type=range]{width:100%;accent-color:var(--accent);height:22px}.param-row input[type=number],.param-row select{background:var(--panel-2);width:100%;color:var(--text);border:1px solid var(--line);font:inherit;border-radius:6px;padding:4px 6px;font-size:12.5px}.param-row select,.param-row input.wide{grid-column:1/-1}.param-row input::placeholder{color:var(--dim);opacity:.7}button.primary{background:var(--accent-2);color:#06281f;font:inherit;cursor:pointer;border:0;border-radius:8px;padding:10px;font-weight:600}button.primary:disabled{background:var(--panel-2);color:var(--dim);cursor:not-allowed}.upload-box{border:1px dashed var(--line);background:var(--panel-2);width:100%;color:inherit;font:inherit;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:9px 7px;font-size:12px;display:flex}.upload-box small{color:var(--dim)}.upload-box:hover{border-color:var(--accent)}.settings-share{gap:8px;display:flex}.settings-share button{border:1px solid var(--line);background:var(--panel-2);color:inherit;font:inherit;cursor:pointer;border-radius:8px;flex:1;padding:7px;font-size:12px}.settings-share button:hover{border-color:var(--accent)}.settings-dialog{border:1px solid var(--line);background:var(--panel);width:min(440px,100vw - 32px);color:var(--text);border-radius:12px;padding:16px}.settings-dialog::backdrop{background:#0000008c}.settings-dialog h2{margin:0 0 6px;font-size:15px}.settings-dialog .dim{color:var(--dim);margin:0 0 10px;font-size:12px}.settings-dialog textarea{resize:vertical;border:1px solid var(--line);background:var(--panel-2);width:100%;color:var(--text);box-sizing:border-box;border-radius:8px;padding:8px;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.settings-dialog .dialog-error{color:#ff7a7a;margin:8px 0 0;font-size:12px}.settings-dialog .dialog-actions{gap:8px;margin-top:12px;display:flex}.settings-dialog .dialog-actions .spacer{flex:1}.settings-dialog .dialog-actions button{border:1px solid var(--line);background:var(--panel-2);color:inherit;font:inherit;cursor:pointer;border-radius:8px;padding:7px 12px;font-size:13px}.settings-dialog .dialog-actions button:hover{border-color:var(--accent)}.settings-dialog .dialog-actions button.primary{background:var(--accent-2);color:#06281f;border:0;font-weight:600}.header-info{width:18px;height:18px;margin-left:auto;font-size:12px}.info-dialog{width:min(720px,100vw - 32px);max-height:min(700px,100vh - 64px);padding:0;overflow-y:auto}.info-dialog .info-head{z-index:1;background:var(--panel);border-bottom:1px solid var(--line);align-items:center;padding:12px 16px;display:flex;position:sticky;top:0}.info-dialog .info-head h2{flex:1;margin:0}.info-dialog .info-head button{border:1px solid var(--line);background:var(--panel-2);width:26px;height:26px;color:var(--dim);font:inherit;cursor:pointer;border-radius:8px;flex:none;padding:0;font-size:16px;line-height:1}.info-dialog .info-head button:hover{color:var(--accent);border-color:var(--accent)}.info-dialog .info-body{padding:12px 16px 16px}.info-dialog h3{margin:18px 0 6px;font-size:14px}.info-dialog h4{margin:14px 0 4px;font-size:13px}.info-dialog p,.info-dialog li{margin:0 0 8px;font-size:13px;line-height:1.55}.info-dialog li{margin-bottom:4px}.info-dialog ol,.info-dialog ul{margin:0 0 8px;padding-left:20px}.info-dialog a{color:var(--accent);text-decoration:none}.info-dialog a:hover{text-decoration:underline}.info-dialog code{background:var(--panel-2);border-radius:4px;padding:1px 4px;font-size:12px}.info-dialog blockquote{color:var(--dim);background:var(--panel-2);border-left:2px solid var(--accent);border-radius:0 6px 6px 0;margin:0 0 8px;padding:6px 10px;font-size:12.5px;line-height:1.55}.info-dialog .table-scroll{margin:0 0 8px;overflow-x:auto}.info-dialog table{border-collapse:collapse;white-space:nowrap;font-size:12px}.info-dialog th,.info-dialog td{border:1px solid var(--line);text-align:left;padding:4px 8px}.info-dialog th{color:var(--dim);font-weight:500}.info-dialog .example-apply{border:1px solid var(--line);background:var(--panel-2);color:inherit;font:inherit;cursor:pointer;border-radius:6px;padding:3px 8px;font-size:11.5px}.info-dialog .example-apply:hover{border-color:var(--accent);color:var(--accent)}.status{min-height:32px;color:var(--dim);align-items:center;gap:8px;font-size:12px;display:flex}.status:before{content:"";background:var(--line);border-radius:50%;flex:none;width:7px;height:7px}.status:not(:empty):before{background:var(--accent-2)}.status.error{color:#ff7a7a}.status.error:before{background:#ff7a7a}.panel footer{border-top:1px solid var(--line);background:var(--panel);flex:none;padding:10px 18px 14px}.stage{flex-direction:column;flex:1;min-width:0;display:flex}.placeholder{text-align:center;color:var(--dim);cursor:pointer;flex:1;justify-content:center;align-items:center;display:flex}.placeholder input{display:none}.placeholder .dropbox{border:1.5px dashed var(--line);border-radius:14px;padding:44px 60px;transition:border-color .15s,background .15s}.placeholder:hover .dropbox,.stage.dragover .dropbox{border-color:var(--accent);background:#4f8cff0f}.placeholder strong{color:var(--text)}.placeholder .big{font-size:42px;display:block}.placeholder .dim{opacity:.7;font-size:12px}.stage.dragover .placeholder{color:var(--accent)}.preflight-warn{color:#e0b35a;background:var(--panel-2);border-left:2px solid #e0b35a;border-radius:0 6px 6px 0;padding:6px 9px;font-size:12px;line-height:1.5}.preflight-missing{text-align:left;margin:10px 0;padding-left:20px;font-size:13px}.preflight-missing li{margin:4px 0}.viewport{flex:1;min-height:0;padding:18px;display:flex;position:relative;overflow:auto}.viewport canvas{touch-action:none;border-radius:6px;max-width:100%;max-height:100%;margin:auto;display:block;box-shadow:0 8px 40px #00000073}.split-overlay{pointer-events:none;border-radius:6px;position:absolute;overflow:hidden}.split-overlay .split-line{background:#ffffffd9;width:2px;margin-left:-1px;position:absolute;top:0;bottom:0}.split-overlay .split-handle{color:#1b1e27;background:#ffffffd9;border-radius:50%;justify-content:center;align-items:center;width:18px;height:18px;font:700 11px system-ui,sans-serif;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.split-overlay .sbs-divider{background:var(--bg);width:2px;margin-left:-1px;position:absolute;top:0;bottom:0;left:50%}.split-overlay .tag{color:#ffffffeb;background:#0a0c10a6;border-radius:4px;padding:2px 4px;font-size:11px;line-height:1.3;position:absolute;top:5px}.split-overlay .tag-left{left:4px}.split-overlay .tag-right{right:4px}.overlay{-webkit-backdrop-filter:blur(1.5px);backdrop-filter:blur(1.5px);color:var(--text);background:#0a0d128c;flex-direction:column;justify-content:center;align-items:center;gap:10px;font-size:13px;display:flex;position:absolute;inset:0}.overlay .bar{background:#ffffff26;border-radius:3px;width:240px;height:6px;overflow:hidden}.overlay .bar div{background:var(--accent);width:0;height:100%;transition:width .15s}.transport{border-top:1px solid var(--line);background:var(--panel);align-items:center;gap:12px;padding:10px 18px 14px;display:flex}.transport button{background:var(--panel-2);color:var(--text);cursor:pointer;border:0;border-radius:7px;width:38px;height:32px;font-size:14px}.transport button.step{width:28px;color:var(--dim);font-size:17px;line-height:1}.transport button.step:hover{color:var(--text)}.transport input[type=range]{accent-color:var(--accent);flex:1}.transport #timecode{font-variant-numeric:tabular-nums;color:var(--dim);font-size:12.5px}.transport .zoom-ctl{align-items:center;gap:2px;display:flex}.transport .zoom-ctl button{width:26px;color:var(--dim);font-size:15px;line-height:1}.transport .zoom-ctl button:hover{color:var(--text)}.transport .zoom-ctl #zoomLbl{font-variant-numeric:tabular-nums;background:0 0;width:auto;min-width:46px;padding:0 4px;font-size:12px}.transport .loop{color:var(--dim);align-items:center;gap:5px;font-size:12.5px;display:flex}.transport select{background:var(--panel-2);color:var(--text);border:1px solid var(--line);font:inherit;border-radius:6px;padding:4px 6px;font-size:12.5px}.dbg{z-index:59;border:1px solid var(--line);background:#0d1016f7;border-radius:10px;flex-direction:column;width:min(620px,92vw);max-height:44vh;display:flex;position:fixed;bottom:14px;right:14px;box-shadow:0 10px 40px #00000080}.dbg-head{border-bottom:1px solid var(--line);color:var(--dim);align-items:center;gap:6px;padding:6px 10px;font-size:11px;display:flex}.dbg-head span{text-transform:uppercase;letter-spacing:.06em;flex:1}.dbg-head button{background:var(--panel-2);color:var(--dim);border:1px solid var(--line);cursor:pointer;border-radius:5px;padding:2px 8px;font-size:11px}.dbg-head button:hover{color:var(--text)}.dbg pre{white-space:pre-wrap;word-break:break-word;margin:0;padding:8px 10px;font:11px/1.55 ui-monospace,Cascadia Mono,Menlo,monospace;overflow:auto}.dbg-warn{color:#e8c268}.dbg-error{color:#ff7a7a}@media (max-width:760px){#app{flex-direction:column}.stage{flex:0 0 52dvh;order:-1;min-height:0}.panel{border-right:0;border-top:1px solid var(--line);flex:1;width:100%;min-height:0}.panel-scroll{padding:14px}.panel footer{padding:10px 14px calc(14px + env(safe-area-inset-bottom))}.viewport{padding:10px}.placeholder .dropbox{max-width:calc(100vw - 32px);padding:26px 18px}.transport{flex-wrap:wrap;gap:8px 10px;padding:8px 12px 10px}.transport input[type=range]{flex:100%;order:-1}.param-row input[type=number],.param-row select,.transport select{font-size:16px}.param-row{grid-template-columns:1fr 78px}}@media (pointer:coarse){.transport button{width:44px;height:40px}.transport button.step{width:36px}.param-row input[type=range]{height:30px}.info-btn{width:20px;height:20px;font-size:11px}.mode-toggle button{padding:10px 4px}}