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.08s;cursor:grab}.bc-node:active{cursor:grabbing}.bc-node--highlighted{border-color:var(--accent-25)}.bc-node--selected{border-color:var(--accent)}.bc-text{padding:16px;display:flex;flex-direction:column;gap:10px;box-sizing:border-box}.bc-text-body{margin:0;font-size:15px;line-height:1.45;color:var(--text-muted);overflow:hidden;white-space:pre-wrap}.bc-ref-audios{display:flex;flex-direction:column;gap:4px}.bc-ref-audio-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px 6px 6px;background:var(--line-subtle);border-radius:6px;font-family:JetBrains Mono,monospace;font-size:11px;color:var(--text-muted);width:-moz-fit-content;width:fit-content}.bc-ref-audio-handle{color:var(--text-dim);font-size:11px;letter-spacing:-1px;-webkit-user-select:none;-moz-user-select:none;user-select:none;opacity:.6}.bc-ref-audio-badge{min-width:18px;height:18px;padding:0 5px;border-radius:4px;margin-right:6px;background:var(--line);font-size:10px;line-height:18px;text-align:center}.bc-ref-audio-badge,.bc-ref-audio-time{color:var(--text-muted)}.bc-refs{display:flex;gap:6px}.bc-ref-chip{position:relative;width:44px;height:44px;border-radius:6px;overflow:hidden;background:var(--line-subtle);border:1px solid var(--line);flex:0 0 auto}.bc-ref-thumb{position:absolute;inset:0;background-size:cover;background-position:50%;background-repeat:no-repeat;background-color:var(--surface);background-image:linear-gradient(135deg,var(--accent),var(--accent-soft))}.bc-ref-badge{position:absolute;top:2px;left:3px;min-width:14px;padding:0 3px;height:14px;border-radius:3px;background:rgba(0,0,0,.55);color:#fff;font-size:10px;font-family:JetBrains Mono,monospace;line-height:14px;text-align:center;pointer-events:none}.bc-media{position:relative;width:100%;height:100%;overflow:hidden;border-radius:inherit;background:var(--surface);display:block}.bc-media img,.bc-media video{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;display:block}.bc-media img{pointer-events:none}.bc-media-placeholder{width:100%;height:100%;background:linear-gradient(135deg,var(--accent-25),var(--accent-10)),repeating-linear-gradient(45deg,var(--line-subtle) 0 10px,transparent 10px 20px)}.bc-video-dragmask{position:absolute;left:0;right:0;top:0;bottom:44px;cursor:grab;background:transparent;z-index:2}.bc-node:active .bc-video-dragmask{cursor:grabbing}.bc-audio{padding:8px 10px;box-sizing:border-box;display:flex;align-items:center}.bc-audio-el{width:100%;height:32px;background:transparent}html[data-theme=dark] .bc-audio-el{filter:invert(.9) hue-rotate(180deg)}.bc-audio-el::-webkit-media-controls-enclosure,.bc-audio-el::-webkit-media-controls-panel{background:transparent}.bc-audio-placeholder{display:flex;align-items:center;gap:10px;width:100%;font-family:JetBrains Mono,monospace;color:var(--text-muted);font-size:12px}.bc-audio-play{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--accent-10);color:var(--accent-soft);font-size:10px}.bc-audio-bar{flex:1;height:3px;background:linear-gradient(90deg,var(--accent) 35%,var(--line) 35%);border-radius:999px}.bc-top-toolbar{position:absolute;left:50%;bottom:calc(100% + 12px);transform:translateX(-50%);display:flex;align-items:center;gap:4px;padding:6px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.03);white-space:nowrap;z-index:2}.bc-tb-btn{width:36px;height:36px;border-radius:8px;background:transparent;border:none;color:var(--text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background .08s}.bc-tb-btn:hover{background:var(--line-subtle)}.bc-tb-btn--active,.bc-tb-btn--active:hover{background:var(--accent-10);color:var(--accent-soft)}html[data-theme=light] .bc-tb-btn--active,html[data-theme=light] .bc-tb-btn--active:hover{color:var(--accent)}.bc-tb-sep{width:1px;height:20px;background:var(--line);margin:0 4px}.bc-icon{display:inline-block;width:24px;height:24px;background-color:currentColor;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:contain;mask-size:contain;-webkit-mask-position:center;mask-position:center}.bc-node-parambar{position:absolute;left:50%;top:calc(100% + 12px);transform:translateX(-50%);display:flex;align-items:center;gap:6px;padding:6px 10px 6px 6px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.03);font-size:13px;color:var(--text-muted);z-index:3;pointer-events:auto;white-space:nowrap}.bc-parambar-group{display:flex;align-items:center;gap:4px}.bc-parambar-gap{width:20px;flex-shrink:0}.bc-param-dropdown{position:relative}.bc-param-dropdown__trigger{display:flex;align-items:center;gap:5px;padding:5px 8px;border-radius:8px;border:none;background:transparent;font-size:15px;color:var(--text);cursor:pointer;white-space:nowrap;transition:background .15s}.bc-param-dropdown__trigger:hover{background:var(--line-subtle)}.bc-param-dropdown__arrow{flex-shrink:0;opacity:.45;transition:opacity .15s}.bc-param-dropdown__trigger:hover .bc-param-dropdown__arrow{opacity:.8}.bc-param-dropdown__menu{position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%);min-width:100%;padding:4px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.03);z-index:100;display:flex;flex-direction:column}.bc-param-dropdown__item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 10px;border-radius:6px;border:none;background:transparent;font-size:15px;color:var(--text-muted);cursor:pointer;white-space:nowrap;text-align:left;transition:background .12s,color .12s}.bc-param-dropdown__item:hover{background:var(--line-subtle);color:var(--text)}.bc-param-dropdown__item--active{color:var(--text)}.bc-param-dropdown__check{flex-shrink:0;opacity:.6}.bc-bt-run{padding:6px 16px;border-radius:8px;background:var(--text);color:var(--bg);font-weight:600;margin-left:4px}.bc-canvas-bottombar{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);display:flex;align-items:center;gap:4px;padding:6px 8px;background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:0 2px 8px rgba(0,0,0,.03);z-index:4}.bc-canvas-bottombar .bc-icon{width:18px!important;height:18px!important}.bc-cb-group{display:flex;align-items:center;gap:4px}.bc-cb-spacer{width:24px;flex-shrink:0}.bc-cb-dropdown{position:relative}.bc-cb-btn{height:32px;border-radius:8px;background:transparent;border:none;color:var(--text-muted);display:inline-flex;align-items:center;gap:6px;padding:0 10px;cursor:pointer;transition:background .08s,color .08s;font-size:13px;white-space:nowrap}.bc-cb-btn--open,.bc-cb-btn:hover{background:var(--line-subtle);color:var(--text)}.bc-cb-label{font-size:13px;line-height:1}.bc-cb-chevron{width:8px;height:5px;opacity:.5;flex-shrink:0;transition:transform .15s}.bc-cb-btn--open .bc-cb-chevron{transform:rotate(180deg)}.bc-cb-menu{position:absolute;bottom:calc(100% + 6px);left:50%;transform:translateX(-50%);min-width:140px;padding:4px;background:var(--surface);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.25);display:flex;flex-direction:column;z-index:10;animation:bc-menu-in .12s ease-out}@keyframes bc-menu-in{0%{opacity:0;transform:translateX(-50%) translateY(4px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}.bc-cb-menu-item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 10px;border:none;background:transparent;color:var(--text-muted);font-size:13px;border-radius:6px;cursor:pointer;text-align:left;white-space:nowrap;transition:background .08s,color .08s}.bc-cb-menu-item:hover{background:var(--line-subtle);color:var(--text)}.bc-cb-menu-item--active{color:var(--text);font-weight:500}.bc-cb-check{width:12px;height:10px;flex-shrink:0;color:var(--accent-soft)}.bc-zoomctl-group{position:absolute;top:16px;right:16px;display:flex;flex-direction:column;gap:6px;z-index:4}.bc-zoomctl-strip{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}.bc-zoomctl-strip .bc-zoomctl{border:none;border-radius:0;background:transparent}.bc-zoomctl-strip .bc-zoomctl:not(:last-child){border-bottom:1px solid var(--line)}.bc-zoomctl{width:36px;height:36px;border-radius:10px;background:var(--surface);border:1px solid var(--line);color:var(--text-muted);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;transition:border-color .08s,color .08s,background .08s}.bc-zoomctl:hover:not(:disabled){color:var(--text)}.bc-zoomctl:hover:not(:disabled) .bc-zoomctl-icon{background-color:var(--text)}.bc-zoomctl:disabled{cursor:default;opacity:.35}.bc-zoomctl-icon{display:inline-block;width:20px;height:20px;background-color:var(--text-muted);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-size:contain;mask-size:contain;-webkit-mask-position:center;mask-position:center;transition:background-color .08s}