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transparent}.side-panel-tab:hover{color:var(--text-primary);background:var(--bg-surface)}.side-panel-tab.active{color:var(--accent);border-bottom-color:var(--accent)}.side-panel-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:16px;padding:8px 12px;transition:color var(--transition);flex-shrink:0}.side-panel-close:hover{color:var(--text-primary)}.side-panel-body{flex:1;overflow-y:auto;display:flex;flex-direction:column}.vol3d-panel{display:flex;flex-direction:column;overflow:hidden}.vol3d-panel .viewport{flex:1;min-height:250px}.vol3d-controls{padding:8px 12px;border-top:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0}.vol3d-overlay-controls{position:absolute;bottom:12px;left:12px;right:12px;background:#0d1117d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--border);border-radius:var(--radius-md);padding:10px 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h2{font-size:13px;font-weight:600;color:var(--text-primary)}.close-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:18px;line-height:1;padding:2px 4px;border-radius:var(--radius-sm);transition:all var(--transition)}.close-btn:hover{color:var(--text-primary);background:var(--bg-surface)}.panel-content{flex:1;overflow-y:auto}.tavi-panel{display:flex;flex-direction:column;height:100%}.tavi-tabs{display:flex;border-bottom:1px solid var(--border);background:var(--bg-secondary);flex-shrink:0}.tavi-tab{flex:1;padding:8px 12px;border:none;background:transparent;color:var(--text-muted);font-size:12px;font-weight:500;cursor:pointer;transition:all var(--transition);border-bottom:2px solid 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