:root{color-scheme:light;--bg:#f5f6f3;--surface:#fff;--ink:#1e2924;--muted:#637067;--line:#dce2dc;--green:#365f48;--pale:#edf3ed;--danger:#ab3131;font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled,input:disabled,textarea:disabled,select:disabled{cursor:not-allowed;opacity:.5}button,a,input,select,textarea{outline-offset:4px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--green)}button{border:0}svg{width:20px;height:20px;vertical-align:middle;flex-shrink:0}a{color:inherit;text-decoration:none}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}[hidden]{display:none!important}
.topbar{height:84px;padding:16px 28px;display:flex;align-items:center;gap:16px;border-bottom:1px solid var(--line);background:#ffffffee}.brand{display:flex;gap:12px;align-items:center;white-space:nowrap;font-size:20px;font-weight:700}.brand-mark{display:grid;place-items:center;background:var(--green);color:#fff;width:38px;height:38px;border-radius:11px;font-size:23px;font-style:italic}.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:.18em;color:var(--muted);margin-top:2px}.project-picker{display:flex;align-items:center;gap:4px;flex:1;min-width:0;margin-left:26px}.project-picker select{width:min(100%,270px);background:transparent}.primary,.secondary,.icon-button,.text-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 16px;border-radius:9px;line-height:1.35;transition:background .16s,color .16s}.primary{color:#fff;background:var(--green);font-weight:600;border:1px solid var(--green)}.primary:not(:disabled):hover{background:#274b37}.secondary{background:#fff;border:1px solid var(--line);color:var(--ink)}.secondary:not(:disabled):hover,.icon-button:not(:disabled):hover,.text-button:not(:disabled):hover{background:var(--pale)}.icon-button{padding:10px;min-width:44px;background:transparent;color:var(--ink)}.text-button{padding:8px;color:var(--green);background:transparent;font-size:13px}.danger{color:var(--danger)}.wide{width:100%}
main{max-width:1800px;margin:auto;padding:22px 24px}.workspace{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(0,2.45fr) minmax(295px,1fr);gap:16px;align-items:start}.panel{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;min-width:0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:18px;min-height:26px}h2{font-size:16px;margin:0;font-weight:650}h3{font-size:22px;font-weight:600}.eyebrow{font-size:10px;letter-spacing:.13em;color:var(--muted)}.hint{font-size:12px;color:var(--muted);line-height:1.7;margin:10px 0}.count{font-size:12px;font-weight:500;color:var(--muted);margin-left:5px}.dropzone{width:100%;min-height:164px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:#f8faf7;border:1px dashed #bbc9bd;border-radius:10px;color:var(--ink);padding:16px;margin-bottom:12px}.dropzone:hover{background:var(--pale)}.dropzone>span{font-size:12px;color:var(--muted)}.dropzone>span svg{width:28px;height:28px}.dropzone small{font-size:11px;color:var(--muted)}.file-info{padding:12px;margin-bottom:14px;font-size:13px;background:var(--pale);border-radius:8px;overflow-wrap:anywhere}.file-info small{display:block;color:var(--muted);margin-top:5px}.materials hr{border:0;border-top:1px solid var(--line);margin:22px 0}.cues-list{max-height:370px;overflow:auto;scrollbar-width:thin}.cue-item{display:flex;width:100%;align-items:flex-start;gap:10px;text-align:left;padding:12px 10px;border-radius:7px;background:#f6f7f5;margin:5px 0;font-size:12px;line-height:1.6;min-height:44px;color:var(--ink)}.cue-item time{color:var(--muted);white-space:nowrap;font-variant-numeric:tabular-nums}.cue-item span{overflow-wrap:anywhere}.cue-item.active{background:#e7efe8;box-shadow:inset 2px 0 var(--green)}.empty-small{font-size:13px;color:var(--muted);line-height:1.8}.material-footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:22px;padding-top:12px}
.preview-panel{position:sticky;top:16px}.preview-space{background:#edf0eb;border-radius:10px;min-height:350px;display:grid;place-items:center;overflow:hidden}.canvas{position:relative;background:#141b17;max-width:100%;width:100%;aspect-ratio:16/9;overflow:hidden;container-type:inline-size}.canvas.portrait{aspect-ratio:9/16;width:min(100%,330px)}.canvas video{width:100%;height:100%;object-fit:contain;display:block}.empty-preview{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;text-align:center;background:#edf0eb}.empty-preview h3{font-size:22px;margin:18px 0 6px}.empty-preview p{font-size:13px;color:var(--muted);margin:0 0 20px}.empty-orbit{width:68px;height:68px;display:grid;place-items:center;border-radius:50%;border:1px solid #bccdbf;color:var(--green);box-shadow:0 0 0 10px #e4eae2}.empty-orbit svg{width:28px;height:28px}.motion-layer,.caption-layer{position:absolute;pointer-events:none;left:8%;right:8%;text-align:center;color:#fff;text-shadow:0 2px 2px #000,1px 0 #000,-1px 0 #000;white-space:pre-wrap;overflow-wrap:anywhere}.motion-layer{top:40%;font-size:4cqw;font-weight:700;line-height:1.2}.caption-layer{bottom:7%;font-size:2.3cqw;line-height:1.4}.portrait .motion-layer{font-size:6cqw;left:9%;right:9%;line-height:1.35}.portrait .caption-layer{font-size:4cqw;bottom:10%;left:8%;right:8%}.player-controls{display:flex;align-items:center;gap:10px;margin-top:12px;background:#f7f8f6;border-radius:9px;padding:6px}.player-controls>span{font-size:12px;white-space:nowrap;font-variant-numeric:tabular-nums}.player-controls input{flex:1;min-width:30px;accent-color:var(--green);padding:0;border:0}.preview-note{margin-bottom:0}.job-box{background:var(--pale);border:1px solid #d8e3d8;border-radius:9px;padding:14px;margin-top:16px}.job-box>div{display:flex;justify-content:space-between;font-size:13px}.job-box progress{width:100%;height:6px;accent-color:var(--green);margin-top:12px}.job-box.error{background:#fff5f3;border-color:#e8beb5}.job-box.error strong{color:var(--danger)}.result-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
label{font-size:13px;display:block;margin:14px 0 8px}input[type=text],input[type=password],input[type=number],select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 12px;background:#fff;color:var(--ink);min-height:44px}textarea{resize:vertical;line-height:1.8;font-size:14px;min-height:115px}input::placeholder,textarea::placeholder{color:#747d76}.optional{float:right;font-size:11px;color:var(--muted)}fieldset{border:0;margin:20px 0 0;padding:0;min-width:0}legend{font-size:13px;margin-bottom:9px}.segmented{display:flex;gap:8px}.segmented label{position:relative;flex:1;margin:0;min-width:0}.segmented input{position:absolute;opacity:0;width:1px;height:1px}.segmented label>span{display:flex;align-items:center;justify-content:center;gap:7px;min-height:44px;text-align:center;border:1px solid var(--line);border-radius:8px;background:#f9faf8;padding:8px 5px;font-size:12px;cursor:pointer}.segmented input:checked+span{border-color:var(--green);background:var(--pale);color:var(--green);font-weight:600}.segmented input:focus-visible+span{outline:2px solid var(--green);outline-offset:3px}.segmented svg{width:17px;height:17px}.mode-note{font-size:11px}.toggle-list{margin-top:20px}.toggle-list label{display:flex;justify-content:space-between;align-items:center;gap:8px;min-height:48px;margin:8px 0}.toggle-list small{display:block;color:var(--muted);font-size:11px;margin-top:3px}.toggle-list input{appearance:none;width:36px;height:22px;flex-shrink:0;border-radius:20px;background:#bac3ba;position:relative;cursor:pointer;margin:10px 0 10px 12px}.toggle-list input:before{content:'';position:absolute;width:16px;height:16px;border-radius:50%;background:#fff;top:3px;left:3px;transition:transform .16s}.toggle-list input:checked{background:var(--green)}.toggle-list input:checked:before{transform:translateX(14px)}.inline-setting{display:flex;align-items:center;gap:15px;margin:20px 0}.inline-setting label{margin:0;flex:1}.inline-setting select{width:45%}.privacy-note{font-size:11px}.mobile-export{display:none}
.timeline-panel,.overlay-panel{margin-top:16px}.timeline{position:relative;min-height:90px}.track{display:flex;align-items:center;gap:16px;margin:12px 0}.track-label{font-size:12px;width:55px;flex-shrink:0;color:var(--muted)}.track-content{position:relative;flex:1;height:34px;background:#f5f7f3;border-radius:5px;overflow:hidden}.timeline-piece{position:absolute;height:100%;min-width:3px;border:1px solid #cbd8cc;background:#e0eae0;color:#355741;font-size:11px;padding:3px 5px;border-radius:4px;text-align:left;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.track.captions .timeline-piece{background:#e7eaed;border-color:#d4dade;color:#49545a}.ruler{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-left:71px}.overlay-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.overlay-item{background:#fafbf9;border:1px solid var(--line);border-radius:10px;padding:14px;min-width:0}.overlay-item .top{display:flex;align-items:center;justify-content:space-between}.overlay-item .top strong{font-size:12px;color:var(--green)}.overlay-item textarea{min-height:70px;margin:6px 0;font-size:13px}.overlay-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px}.overlay-fields label{margin:4px 0;font-size:11px}.overlay-fields input,.overlay-fields select{font-size:12px;margin-top:5px}.overlay-item .jump{width:100%;margin-top:8px}.notice{padding:12px 16px;border:1px solid #bfd0be;border-radius:10px;background:#edf4ea;margin-bottom:16px;font-size:13px;line-height:1.7}.notice.error{border-color:#e7c0b6;background:#fff3ef;color:#8f2f1f}footer{display:flex;justify-content:center;gap:12px;font-size:11px;color:var(--muted);padding:28px 0 12px}
dialog{border:1px solid var(--line);border-radius:18px;padding:30px;max-width:calc(100% - 32px);width:400px;color:var(--ink);box-shadow:0 24px 90px #172d2422}dialog::backdrop{background:#1a282755;backdrop-filter:blur(4px)}dialog h2{font-size:24px;margin:12px 0}.error{color:var(--danger)}dialog .error{font-size:13px;min-height:18px}.editor-dialog{width:850px;max-height:85svh}.editor-dialog .section-heading{position:sticky;top:-30px;background:#fff;z-index:2;padding:8px 0}.cue-editor-row{display:grid;grid-template-columns:85px 85px 1fr 44px;gap:10px;align-items:end;margin-bottom:12px}.cue-editor-row textarea{min-height:44px;height:64px}.cue-editor-row label{margin:0;font-size:11px}.cue-editor-row input{margin-top:5px}.dialog-footer{position:sticky;bottom:-30px;display:flex;justify-content:space-between;padding:16px 0;background:#fff}
@media(min-width:1550px){.preview-space{min-height:470px}.canvas.portrait{width:350px}}@media(max-width:1200px){main{padding:16px}.topbar{padding:14px 18px}.workspace{grid-template-columns:215px minmax(0,1fr) 280px;gap:12px}.panel{padding:16px}.eyebrow{display:none}.preview-space{min-height:290px}.player-controls{gap:4px}.player-controls .icon-button{min-width:36px;padding:7px}.overlay-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.project-picker{margin-left:10px}}@media(max-width:980px){.workspace{grid-template-columns:minmax(0,1fr) 300px}.preview-panel{grid-column:1;grid-row:1;position:static}.materials{grid-column:1;grid-row:2}.settings-panel{grid-column:2;grid-row:1 / span 2}.cues-list{max-height:220px}.brand{font-size:17px}.project-picker{margin-left:0}.topbar{gap:8px}.topbar .primary{padding:10px}.preview-space{min-height:270px}}
@media(max-width:640px){.topbar{height:auto;min-height:76px;flex-wrap:wrap;padding:12px 16px;gap:10px}.brand{flex:1;font-size:18px}.brand-mark{width:34px;height:34px}.project-picker{order:3;width:100%;flex:none}.project-picker select{width:100%;flex:1}.topbar>#export-top{display:none}.topbar>#save{min-width:70px}.workspace{display:flex;flex-direction:column;gap:14px}.panel{width:100%;border-radius:12px;padding:16px}.preview-panel{order:0}.materials{order:1}.settings-panel{order:2}.preview-space{min-height:220px}.canvas.portrait{width:240px}.empty-preview h3{font-size:19px}.empty-preview p{margin-bottom:12px}.empty-orbit{width:45px;height:45px;box-shadow:0 0 0 6px #e4eae2}.empty-preview{padding:12px}.empty-preview .primary{min-height:40px}.player-controls{gap:4px;margin-top:10px}.player-controls #time{font-size:10px}.player-controls .icon-button{min-width:40px;min-height:44px}.player-controls #mute{display:none}.preview-note{font-size:11px}.overlay-grid{grid-template-columns:1fr}.mobile-export{display:inline-flex;margin-top:10px}.settings-panel input,.settings-panel select,.settings-panel textarea,dialog input,dialog textarea{font-size:16px}.mode-note,.privacy-note{font-size:12px}.settings-panel .primary{min-height:50px}.toggle-list input{width:40px;height:24px}.toggle-list input:before{width:18px;height:18px}.toggle-list input:checked:before{transform:translateX(16px)}.materials .dropzone{min-height:130px}footer{display:block;text-align:center;line-height:2;padding-bottom:calc(12px + env(safe-area-inset-bottom))}dialog{padding:22px}.cue-editor-row{grid-template-columns:1fr 1fr 44px;align-items:end;border-bottom:1px solid var(--line);padding-bottom:12px}.cue-editor-row>label:nth-child(3){grid-row:2;grid-column:1 / span 3}.cue-editor-row>.icon-button{grid-row:1;grid-column:3}.editor-dialog .section-heading{top:-22px}.dialog-footer{bottom:-22px}.timeline-panel .section-heading{align-items:flex-start}.timeline-panel .section-heading>.hint{margin:0;font-size:10px;text-align:right}.track-label{width:38px}.track{gap:10px}.ruler{margin-left:48px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}