.conversation-history-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:3001}.conversation-history-panel{position:fixed;top:0;right:0;bottom:0;width:400px;max-width:90vw;background:linear-gradient(135deg,rgba(30,30,45,.98),rgba(20,20,30,.98));backdrop-filter:blur(20px);border-left:1px solid rgba(253,253,253,.1);box-shadow:-4px 0 20px rgba(0,0,0,.3);z-index:3002;display:flex;flex-direction:column}.conversation-history-header{display:flex;align-items:center;justify-content:space-between;padding:1.5rem;border-bottom:1px solid rgba(253,253,253,.1)}.conversation-history-header h3{margin:0;font-size:1.125rem;font-weight:600;color:rgba(253,253,253,.95)}.close-button{background:rgba(253,253,253,.05);border:1px solid rgba(253,253,253,.1);border-radius:6px;padding:.5rem;cursor:pointer;color:rgba(253,253,253,.7);transition:all .2s ease;display:flex;align-items:center;justify-content:center}.close-button:hover{background:rgba(253,253,253,.1);color:rgba(253,253,253,.95);border-color:rgba(253,253,253,.2)}.conversation-history-list{flex:1;overflow-y:auto;padding:1rem}.conversation-history-empty,.conversation-history-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 1.5rem;text-align:center;color:rgba(253,253,253,.5)}.conversation-history-empty svg{margin-bottom:1rem;opacity:.3}.conversation-history-empty p{margin:0 0 .5rem;font-size:1rem;font-weight:500;color:rgba(253,253,253,.7)}.conversation-history-empty span{font-size:.875rem;color:rgba(253,253,253,.4)}.conversation-item{display:flex;align-items:center;justify-content:space-between;padding:1rem;margin-bottom:.5rem;background:rgba(253,253,253,.03);border:1px solid rgba(253,253,253,.08);border-radius:8px;cursor:pointer;transition:all .2s ease;position:relative;overflow:hidden}.conversation-item:hover{background:rgba(253,253,253,.06);border-color:rgba(253,253,253,.15);transform:translateX(-2px)}.conversation-item.active{background:rgba(102,22,115,.2);border-color:rgba(102,22,115,.4)}.conversation-item.active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:#661673}.conversation-item.deleting{opacity:.5;pointer-events:none}.conversation-item-content{flex:1;min-width:0;padding-right:.5rem}.conversation-title{font-size:.9375rem;font-weight:500;color:rgba(253,253,253,.9);margin-bottom:.25rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-meta{display:flex;align-items:center;gap:.75rem;font-size:.75rem;color:rgba(253,253,253,.5)}.conversation-count,.conversation-date{display:inline-block}.delete-button{background:rgba(253,253,253,.05);border:1px solid rgba(253,253,253,.1);border-radius:6px;padding:.5rem;cursor:pointer;color:rgba(253,253,253,.5);transition:all .2s ease;display:flex;align-items:center;justify-content:center;flex-shrink:0}.delete-button:hover{background:rgba(220,38,38,.2);border-color:rgba(220,38,38,.4);color:#ef4444}.delete-button.confirm{background:rgba(220,38,38,.3);border-color:rgba(220,38,38,.5);color:#ef4444;animation:pulse-delete .5s ease-in-out infinite}.delete-button:disabled{opacity:.5;cursor:not-allowed}@keyframes pulse-delete{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.spinner{width:32px;height:32px;border:3px solid rgba(253,253,253,.1);border-top-color:rgba(253,253,253,.8);border-radius:50%;margin:0 auto 1rem}.spinner,.spinner-small{animation:spin .8s linear infinite}.spinner-small{width:16px;height:16px;border:2px solid rgba(253,253,253,.2);border-top-color:rgba(253,253,253,.8);border-radius:50%}@keyframes spin{to{transform:rotate(1turn)}}.conversation-history-list::-webkit-scrollbar{width:6px}.conversation-history-list::-webkit-scrollbar-track{background:rgba(253,253,253,.02);border-radius:3px}.conversation-history-list::-webkit-scrollbar-thumb{background:rgba(253,253,253,.1);border-radius:3px}.conversation-history-list::-webkit-scrollbar-thumb:hover{background:rgba(253,253,253,.2)}@media (max-width:768px){.conversation-history-panel{width:100vw;max-width:100vw}}