.user-filter{margin-bottom:20px}.filter-group{display:flex;flex-direction:column;gap:5px;position:relative}.filter-label{font-size:13px;color:#606266;font-weight:500}.user-select-wrapper{position:relative}.user-search-input{width:100%;padding:10px 15px;border:1px solid #dcdfe6;border-radius:4px;font-size:14px;min-width:250px;background:#fff;transition:border-color .3s}.user-search-input:hover{border-color:#c0c4cc}.user-search-input:focus{outline:none;border-color:#409eff}.user-search-input:disabled{background:#f5f7fa;cursor:not-allowed}.user-dropdown{position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid #dcdfe6;border-radius:4px;max-height:300px;overflow-y:auto;z-index:1000;box-shadow:0 2px 12px #0000001a;margin-top:2px}.user-dropdown-item{padding:10px 15px;cursor:pointer;border-bottom:1px solid #f0f0f0;transition:background .2s}.user-dropdown-item:hover{background:#f5f7fa}.user-dropdown-item:last-child{border-bottom:none}.user-dropdown-more{padding:10px 15px;color:#909399;text-align:center;font-style:italic;font-size:12px}.error-message{padding:15px;background:#fef0f0;border:1px solid #fde2e2;border-radius:4px;color:#f56c6c;margin-top:15px}.selected-user-info{padding:15px;background:#f0f9ff;border:1px solid #b3d8ff;border-radius:4px;color:#303133;margin-top:15px}.loading-message{padding:15px;color:#909399;text-align:center;margin-top:15px}.app{min-height:100vh;padding:20px}.app-loading{display:flex;justify-content:center;align-items:center;min-height:100vh;font-size:18px;color:#606266}.container{max-width:1400px;margin:0 auto;background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;padding:30px}h1{font-size:24px;color:#303133;margin-bottom:30px;font-weight:500}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f5f7fa;color:#303133}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}