/* 更新样式文件 */
.infinite-dropdown-container {
    position: relative;
    width: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.infinite-dropdown-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border: 1px solid #dcdfe6;
    border-radius: 6px;
    cursor: pointer;
    background-color: white;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 36px;
    box-sizing: border-box;
    -webkit-box-sizing: border-box; /* 兼容旧版Safari */
    -moz-box-sizing: border-box;    /* 兼容旧版Firefox */
}

.infinite-dropdown-header:hover:not(.disabled) {
    border-color: #c0c4cc;
}

.infinite-dropdown-header.open {
    border-color: #4a6cf7;
    box-shadow: 0 0 0 2px rgba(74, 108, 247, 0.1);
}

.infinite-dropdown-selected-container {
    display: flex;
    flex-wrap: nowrap;
    gap: 4px;
    flex: 1;
    min-width: 0;
    align-items: center;
}

.infinite-dropdown-placeholder {
    color: #c0c4cc;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.infinite-dropdown-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background-color: #f0f2f5;
    border-radius: 4px;
    font-size: 12px;
    color: #333;
    white-space: nowrap;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.infinite-dropdown-tag .infinite-dropdown-remove {
    margin-left: 4px;
    cursor: pointer;
    color: #999;
    font-size: 16px;
    line-height: 1;
    padding: 0 2px;
    border-radius: 50%;
}

.infinite-dropdown-tag .infinite-dropdown-remove:hover:not(.disabled) {
    background-color: #e0e0e0;
    color: #ff4d4f;
}

.infinite-dropdown-remaining {
    color: #666;
    font-size: 12px;
    padding: 2px 6px;
    background-color: #fafafa;
    border-radius: 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.infinite-dropdown-arrow {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: #999;
    margin-left: 8px;
    font-size: 12px;
}

.infinite-dropdown-header.open .infinite-dropdown-arrow {
    transform: rotate(180deg);
}

.infinite-dropdown-list {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background-color: white;
    border: 1px solid #e4e7ed;
    border-radius: 6px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
    max-height: 300px;
    overflow: hidden;
    z-index: 9999;
    display: none;
    animation: dropdown-appear 0.2s ease;
}

@keyframes dropdown-appear {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.infinite-dropdown-list.open {
    display: flex;
    flex-direction: column;
}

.infinite-dropdown-search {
    padding: 8px;
    border-bottom: 1px solid #f0f0f0;
    flex-shrink: 0;
}

.infinite-dropdown-search input {
    width: 100%;
    padding: 6px 12px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
    outline: none;
    font-size: 14px;
    transition: all 0.3s;
    box-sizing: border-box;
    -webkit-box-sizing: border-box; /* 兼容旧版Safari */
    -moz-box-sizing: border-box;    /* 兼容旧版Firefox */
}

.infinite-dropdown-search input:focus {
    border-color: #4a6cf7;
    box-shadow: 0 0 0 2px rgba(74, 108, 247, 0.2);
}

.infinite-dropdown-options {
    flex: 1;
    overflow-y: auto;
    max-height: 200px;
    min-height: 80px;
}

.infinite-dropdown-option {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 14px;
    color: #333;
    border-bottom: 1px solid #fafafa;
}

.infinite-dropdown-option:hover:not(.disabled) {
    background-color: #f5f7fa;
}

.infinite-dropdown-option.selected {
    background-color: #f0f7ff;
    color: #4a6cf7;
}

.infinite-dropdown-option input[type="checkbox"] {
    margin-right: 8px;
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: #4a6cf7;
}

.infinite-dropdown-loading {
    padding: 12px;
    text-align: center;
    color: #666;
    font-size: 13px;
    border-top: 1px solid #f0f0f0;
    flex-shrink: 0;
}

.infinite-dropdown-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(74, 108, 247, 0.2);
    border-radius: 50%;
    border-top-color: #4a6cf7;
    animation: infinite-dropdown-spin 0.8s linear infinite;
    margin-right: 6px;
}

@keyframes infinite-dropdown-spin {
    to { transform: rotate(360deg); }
}

.infinite-dropdown-empty {
    padding: 20px;
    text-align: center;
    color: #999;
    font-size: 14px;
    font-style: italic;
}

/* 单选模式样式 */
.infinite-dropdown-container.single-mode .infinite-dropdown-tag {
    background-color: transparent;
    padding: 0;
    /*max-width: none;*/
}

.infinite-dropdown-container.single-mode .infinite-dropdown-remove {
    /*display: none;*/
}

/* 修复滚动条样式 */
.infinite-dropdown-options::-webkit-scrollbar {
    width: 6px;
}

.infinite-dropdown-options::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.infinite-dropdown-options::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 3px;
}

.infinite-dropdown-options::-webkit-scrollbar-thumb:hover:not(.disabled) {
    background: #a8a8a8;
}

/* 下拉框位置修正 */
.infinite-dropdown-list.top {
    top: auto;
    bottom: calc(100% + 4px);
    box-shadow: 0 -2px 12px 0 rgba(0, 0, 0, 0.1);
}