.chat-history-dialog{width:700px!important;height:840px!important;background:transparent!important;box-shadow:none!important;border-radius:24px;overflow:hidden}.chat-history-dialog .el-dialog__header{display:none}.chat-history-dialog .el-dialog__body{padding:0!important;height:100%!important;background:transparent!important}.history-dialog-content{width:100%;height:100%;background:linear-gradient(180deg,#120d18,#0f0613) padding-box,linear-gradient(to top,#f577e7cc,#1f0d25cc,#8d73ffcc) border-box;display:flex;flex-direction:column;border-radius:24px;border:1px solid transparent}.history-dialog-header{height:64px;display:flex;align-items:center;justify-content:center;position:relative;flex-shrink:0;border-bottom:none!important;box-shadow:none!important}.history-dialog-title{color:#fff;font-size:28px;font-weight:600}.history-close-btn{position:absolute;right:24px;width:24px;height:24px;cursor:pointer;opacity:.8;transition:opacity .2s}.history-close-btn:hover{opacity:1}.history-list-dialog{flex:1;overflow:hidden;padding:20px}.history-item-card{background:#ff55c21a;border-radius:12px;padding:16px;margin-bottom:12px;cursor:pointer;transition:background .2s;border:none;outline:none}.history-item-card:hover,.history-item-card:focus{background:#ff55c233;border:none;outline:none}.history-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.history-card-header-right{display:flex;align-items:center;gap:8px}.history-card-title{color:#fff;font-size:16px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:90%}.history-delete-btn{width:20px;height:20px;opacity:.6;cursor:pointer;transition:opacity .2s}.history-delete-btn:hover{opacity:1}.history-card-content{display:flex;justify-content:space-between;align-items:flex-end}.history-card-preview{color:#fff9;font-size:14px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}.history-card-time{color:#fff6;font-size:12px;white-space:nowrap;flex-shrink:0}.no-history{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#fff6}.empty-icon{width:120px;height:120px;margin-bottom:16px;opacity:.5}.empty-text{font-size:14px}.image-preview-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#000000e6;display:flex;justify-content:center;align-items:center;z-index:9999;cursor:zoom-out}.preview-close-btn{position:absolute;top:20px;right:20px;width:40px;height:40px;background:#ffffff1a;border-radius:50%;display:flex;justify-content:center;align-items:center;cursor:pointer;transition:background .3s;z-index:10000}.preview-close-btn:hover{background:#fff3}.preview-close-btn img{width:20px;height:20px;filter:brightness(0) invert(1)}.preview-content-wrapper{position:relative;display:flex;justify-content:center;align-items:center;max-width:100%;max-height:100%}.preview-main-image{max-width:90vw;max-height:90vh;object-fit:contain;border-radius:4px;cursor:default}.preview-nav-btn{position:absolute;top:50%;transform:translateY(-50%);width:50px;height:50px;background:#ffffff1a;border-radius:50%;display:flex;justify-content:center;align-items:center;color:#fff;cursor:pointer;transition:background .3s;z-index:10001}.preview-nav-btn:hover{background:#fff3}.preview-nav-btn.prev{left:-70px}.preview-nav-btn.next{right:-70px}.preview-counter{position:absolute;bottom:30px;left:50%;transform:translate(-50%);color:#fff;background:#00000080;padding:4px 12px;border-radius:20px;font-size:14px}.preview-fade-enter-active,.preview-fade-leave-active{transition:opacity .3s ease}.preview-fade-enter-from,.preview-fade-leave-to{opacity:0}@media(max-width:768px){.preview-nav-btn{width:40px;height:40px;background:#0000004d}.preview-nav-btn.prev{left:10px}.preview-nav-btn.next{right:10px}.preview-counter{bottom:20px}.preview-main-image{max-width:95vw}}