/**
 * 素材分类样式
 * 符合代码规范：<400行
 */

/* 分类下拉选择器容器 */
.library-category-filter {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    width: 100%;
}

/* 分类下拉选择器 */
.library-category-select {
    padding: 8px 32px 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    min-width: 140px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 14px;
}

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

.library-category-select:focus {
    border-color: var(--border-accent);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 创建分类按钮 */
.library-create-category-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.library-create-category-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-accent);
    color: var(--text-accent);
}

.library-create-category-btn:active {
    transform: scale(0.95);
}

/* 创建分类弹窗 */
#materialCreateCategoryModal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    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;
}

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

.material-create-category-modal {
    max-width: 480px;
    width: 90%;
    height: 350px;
    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;
}

#materialCreateCategoryModal.show .material-create-category-modal {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

/* 创建分类弹窗头部 */
.material-create-category-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-create-category-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-create-category-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);
}

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

/* 创建分类弹窗内容 */
.material-create-category-content {
    padding: 20px;
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* 创建分类弹窗底部 */
.material-create-category-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;
}

/* 表单中的分类选择容器 */
.category-select-container {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-select {
    flex: 1;
    padding: 10px 32px 10px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 14px;
}

.form-select:hover {
    border-color: var(--border-secondary);
    background-color: var(--bg-hover);
}

.form-select:focus {
    border-color: var(--border-accent);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* 创建分类按钮（表单中） */
.btn-create-category {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px;
    font-family: "Microsoft YaHei", "微软雅黑", "SimSun", "宋体", "Arial", sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-create-category:hover {
    background: var(--bg-hover);
    border-color: var(--border-accent);
    color: var(--text-accent);
}

.btn-create-category:active {
    transform: scale(0.98);
}

.btn-create-category svg {
    flex-shrink: 0;
}

/* 搜索容器：输入框宽度 = 分类下拉 2 倍，整组靠右（与 .library-header flex 配合） */
.library-search-container {
    --mm-lib-category-width: 140px;
    display: grid !important;
    grid-template-columns:
        calc(var(--mm-lib-category-width) * 2)
        auto
        var(--mm-lib-category-width);
    align-items: center !important;
    gap: 10px !important;
    flex-wrap: unset !important;
    width: max-content !important;
    max-width: 100% !important;
    margin-left: auto !important;
}

.library-category-select {
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.library-search-input {
    flex: none !important;
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
    box-sizing: border-box;
}

/* 右上角搜索区：输入框/按钮/分类统一紧凑尺寸 */
.library-category-select {
    padding: 5px 28px 5px 12px;
    font-size: 12px;
    border-radius: var(--radius-md);
    background-size: 12px;
    background-position: right 10px center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .library-search-container {
        display: flex !important;
        flex-direction: column;
        align-items: stretch;
        width: 100% !important;
        grid-template-columns: unset;
    }

    .library-search-input {
        width: 100% !important;
    }

    .library-category-filter {
        width: 100%;
    }

    .library-category-select {
        flex: 1;
        min-width: auto;
        width: 100%;
    }
    
    .category-select-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-select {
        width: 100%;
    }
    
    .btn-create-category {
        width: 100%;
    }
}