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ease}.resize-handle:hover,.resize-handle:active{background:var(--accent)}.resize-handle.hidden{width:0;opacity:0;pointer-events:none}.sidebar-toggle-zone{position:fixed;top:0;bottom:0;width:48px;z-index:49;transition:left .25s ease}.sidebar-toggle-tab{position:absolute;left:0;top:50%;transform:translateY(-50%);width:24px;height:24px;background:var(--bg-tertiary);border:1px solid var(--border);border-left:none;border-radius:0 6px 6px 0;display:flex;align-items:center;justify-content:center;cursor:ew-resize;color:var(--text-secondary);z-index:50;padding:0;opacity:1;transition:none}.sidebar-toggle-zone.autohide .sidebar-toggle-tab,.sidebar-toggle-zone.autohide:hover .sidebar-toggle-tab{opacity:1}.sidebar-toggle-tab:hover{background:var(--bg-hover);color:var(--text-primary)}.no-transition .sidebar-toggle-zone{transition:none}.upload-progress{position:fixed;bottom:20px;right:20px;background:var(--bg-tertiary);color:var(--text-primary);padding:10px 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