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auto;background:var(--background);min-height:100vh}.column-toggle-container{position:relative}.column-toggle-btn{padding:.375rem .875rem;font-size:var(--fs-xs);font-weight:500;color:var(--text-primary);background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-fast);white-space:nowrap}.column-toggle-btn:hover{background:var(--background-secondary);border-color:var(--primary)}.column-toggle-menu{position:absolute;top:100%;right:0;margin-top:.375rem;background:var(--background);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);z-index:10;min-width:140px}.column-toggle-label{display:flex;align-items:center;padding:.625rem .875rem;cursor:pointer;transition:var(--transition-fast);border-bottom:1px solid var(--border)}.column-toggle-label:last-child{border-bottom:none}.column-toggle-label:hover{background:var(--background-secondary)}.column-toggle-label 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