/**
 * 分类管理弹窗样式
 * 符合代码规范：<400行
 */

/* 分类管理弹窗遮罩层 */
#materialCategoryManageModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10001;
    background-color: rgba(0, 0, 0, 0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    opacity: 0;
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease, opacity 0.3s ease;
}

#materialCategoryManageModal.show {
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    opacity: 1;
}

/* 分类管理弹窗内容 */
.material-category-manage-content {
    width: 800px;
    height: 880px;
    max-width: 90vw;
    max-height: 90vh;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-primary);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
}

#materialCategoryManageModal.show .material-category-manage-content {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

/* 弹窗头部 */
.material-category-manage-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    flex-shrink: 0;
}

.material-category-manage-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
}

.material-category-manage-close {
    position: absolute;
    top: 18px;
    right: 20px;
    color: var(--text-primary);
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    border: none;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    line-height: 1;
}

.material-category-manage-close:hover {
    background: var(--bg-hover);
    color: var(--text-accent);
}

/* 弹窗主体 */
.material-category-manage-body {
    padding: 20px;
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* 控制区域 */
.category-manage-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.category-manage-select-all {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    font-size: 14px;
    color: var(--text-primary);
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
}

.category-manage-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-accent);
}

.category-manage-select-all-text {
    font-size: 14px;
    color: var(--text-primary);
}

.category-manage-selected-count {
    font-size: 14px;
    color: var(--text-secondary);
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
}

/* 分类列表容器 */
.category-manage-list-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
}

/* 分类列表 */
.category-manage-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* 分类项 */
.category-manage-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.category-manage-item:hover {
    background: var(--bg-hover);
    border-color: var(--border-secondary);
}

.category-manage-item.selected {
    background: var(--bg-hover);
    border-color: var(--border-accent);
}

.category-manage-item-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-accent);
    flex-shrink: 0;
}

.category-manage-item-name {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
}

/* 加载状态 */
.category-manage-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-secondary);
    font-size: 14px;
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
}

/* 空状态 */
.category-manage-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 14px;
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
}

.category-manage-empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* 弹窗底部 */
.material-category-manage-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    flex-shrink: 0;
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-danger {
    background: #e74c3c;
    color: #ffffff;
}

.btn-danger:hover:not(:disabled) {
    background: #c0392b;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-secondary);
}

/* 响应式设计 */
@media (max-width: 900px) {
    .material-category-manage-content {
        width: 95vw;
        height: 90vh;
    }
}