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i{font-size:3rem;margin-bottom:1rem;color:#dee2e6}.todo-empty h3{margin:0 0 .5rem;color:#495057}.todo-empty p{margin:0}.notification-bell{position:relative;cursor:pointer}.notification-bell .bell-icon{padding:.5rem;border:none;background:transparent;color:#6c757d;cursor:pointer;border-radius:50%;transition:all .2s;display:flex;align-items:center;justify-content:center}.notification-bell .bell-icon:hover{background:#f8f9fa;color:#2c3e50}.notification-bell .bell-icon i{font-size:1.25rem}.notification-badge{position:absolute;top:0;right:0;min-width:18px;height:18px;padding:0 5px;background:#ef4444;color:#fff;border-radius:9px;font-size:.7rem;font-weight:600;display:flex;align-items:center;justify-content:center}.notification-dropdown{position:absolute;top:100%;right:0;width:350px;max-height:400px;background:#fff;border-radius:8px;box-shadow:0 4px 12px #00000026;overflow:hidden;z-index:1000}.notification-header{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;border-bottom:1px solid #e9ecef;background:#f8f9fa}.notification-header h4{margin:0;font-size:.875rem;color:#2c3e50}.notification-list{max-height:300px;overflow-y:auto}.notification-item{display:flex;gap:.75rem;padding:.75rem 1rem;border-bottom:1px solid #e9ecef;cursor:pointer;transition:background .2s}.notification-item:hover{background:#f8f9fa}.notification-item.overdue{background:#fef2f2}.notification-item.overdue:hover{background:#fee2e2}.notification-icon{width:36px;height:36px;border-radius:50%;background:#fef3c7;display:flex;align-items:center;justify-content:center;flex-shrink:0}.notification-icon i{color:#f59e0b}.notification-item.overdue .notification-icon{background:#fee2e2}.notification-item.overdue .notification-icon i{color:#ef4444}.notification-content{flex:1;min-width:0}.notification-title{font-weight:500;color:#2c3e50;font-size:.875rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.notification-time{font-size:.75rem;color:#6c757d}.notification-item.overdue .notification-time{color:#ef4444}.notification-empty{padding:2rem;text-align:center;color:#6c757d}.notification-empty i{font-size:2rem;margin-bottom:.5rem;color:#dee2e6}.notification-footer{padding:.75rem 1rem;border-top:1px solid #e9ecef;text-align:center}.notification-footer button{background:transparent;border:0;color:#141464;cursor:pointer;font-size:.875rem;font-weight:500;padding:0}.notification-footer button:hover{text-decoration:underline}@media(max-width:768px){.todo-summary-cards{grid-template-columns:repeat(2,1fr)}.todo-table{overflow-x:auto}.todo-table table{min-width:600px}.notification-dropdown{width:300px;right:-50px}}