.column-manager-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);z-index:1000;display:flex;align-items:center;justify-content:center;padding:var(--space-lg)}.column-manager{background:rgb(30,30,40);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-xl);box-shadow:0 20px 60px rgba(0,0,0,.3);width:100%;max-width:500px;max-height:80vh;display:flex;flex-direction:column;overflow:hidden}.column-manager__header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid rgba(255,255,255,.1)}.column-manager__title{margin:0;font-size:1.25rem;font-weight:600;color:white}.column-manager__close{background:none;border:none;color:rgba(255,255,255,.6);cursor:pointer;padding:var(--space-xs);display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.column-manager__close:hover{background:rgba(255,255,255,.1);color:white}.column-manager__content{flex:1 1;overflow-y:auto;padding:var(--space-lg)}.column-manager__info{font-size:.875rem;color:rgba(255,255,255,.6);margin-bottom:var(--space-md);padding:var(--space-sm) var(--space-md);background:rgba(255,255,255,.05);border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.1)}.column-manager__list{display:flex;flex-direction:column;gap:var(--space-sm)}.column-manager__item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);transition:all var(--transition-fast)}.column-manager__item:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}.column-manager__item--hidden{opacity:.5}.column-manager__item--dragging{cursor:grabbing!important;box-shadow:0 8px 24px rgba(0,0,0,.3);border-color:var(--accent-primary);background:rgba(255,255,255,.12)}.column-manager__drag-handle{cursor:grab;color:rgba(255,255,255,.4);display:flex;align-items:center;padding:var(--space-xs);transition:color var(--transition-fast)}.column-manager__drag-handle:hover{color:rgba(255,255,255,.7)}.column-manager__drag-handle:active{cursor:grabbing}.column-manager__checkbox{position:relative;display:flex;align-items:center;cursor:pointer}.column-manager__checkbox input[type=checkbox]{position:absolute;opacity:0;cursor:pointer;width:0;height:0}.column-manager__checkbox-label{position:relative;width:20px;height:20px;background:rgba(255,255,255,.1);border:2px solid rgba(255,255,255,.3);border-radius:4px;transition:all var(--transition-fast)}.column-manager__checkbox input[type=checkbox]:checked+.column-manager__checkbox-label{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));border-color:var(--accent-primary)}.column-manager__checkbox input[type=checkbox]:checked+.column-manager__checkbox-label:after{content:"";position:absolute;left:5px;top:2px;width:5px;height:10px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg)}.column-manager__checkbox input[type=checkbox]:disabled+.column-manager__checkbox-label{opacity:.5;cursor:not-allowed}.column-manager__label{flex:1 1;display:flex;align-items:center;gap:var(--space-xs);font-size:.875rem;color:white;font-weight:500}.column-manager__label-badge{font-size:.75rem;padding:2px 6px;background:rgba(var(--accent-primary-rgb),.2);border:1px solid rgba(var(--accent-primary-rgb),.3);border-radius:4px;color:var(--accent-primary)}.column-manager__edit{flex:1 1;display:flex;align-items:center;gap:var(--space-xs)}.column-manager__edit-input{flex:1 1;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-sm);color:white;padding:var(--space-xs) var(--space-sm);font-size:.875rem;outline:none;transition:all var(--transition-fast)}.column-manager__edit-input:focus{background:rgba(255,255,255,.15);border-color:var(--accent-primary)}.column-manager__edit-btn{background:none;border:none;padding:var(--space-xs);font-size:1rem;cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;width:24px;height:24px}.column-manager__edit-btn--save{color:#34d399}.column-manager__edit-btn--save:hover{background:rgba(52,211,153,.2)}.column-manager__edit-btn--cancel{color:#f87171}.column-manager__edit-btn--cancel:hover{background:rgba(248,113,113,.2)}.column-manager__action-btn{background:none;border:none;color:rgba(255,255,255,.5);cursor:pointer;padding:var(--space-xs);border-radius:var(--radius-sm);transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center}.column-manager__action-btn:hover{background:rgba(255,255,255,.1);color:white}.column-manager__footer{display:flex;gap:var(--space-md);padding:var(--space-lg);border-top:1px solid rgba(255,255,255,.1);background:rgba(0,0,0,.2)}.column-manager__btn{flex:1 1;padding:var(--space-sm) var(--space-lg);border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast)}.column-manager__btn--primary{background:linear-gradient(135deg,var(--accent-primary),var(--accent-secondary));color:white;box-shadow:0 4px 12px rgba(var(--accent-primary-rgb),.3)}.column-manager__btn--primary:hover{box-shadow:0 6px 20px rgba(var(--accent-primary-rgb),.4);transform:translateY(-1px)}.column-manager__btn--secondary{background:rgba(255,255,255,.1);color:white;border:1px solid rgba(255,255,255,.2)}.column-manager__btn--secondary:hover{background:rgba(255,255,255,.15)}@media (max-width:640px){.column-manager{max-width:100%;max-height:90vh}.column-manager__content,.column-manager__header{padding:var(--space-md)}.column-manager__footer{padding:var(--space-md);flex-direction:column}.column-manager__btn{width:100%}}