/* =========================== 函数库弹窗样式 =========================== */
/* 添加兼容变量映射 */
:root {
    --border-color: var(--border-primary);
    --primary-color: var(--accent-primary);
    --hover-bg: var(--bg-hover);
    --text-tertiary: var(--text-muted);
}

.function-library-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    backdrop-filter: blur(8px);
}

.function-library-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.function-library-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
}

.function-library-modal-content {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    width: 90vw;
    max-width: 900px;
    height: 85vh;
    max-height: 700px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.function-library-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
}

.function-library-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.function-library-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.function-library-modal-close:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.function-library-modal-body {
    flex: 1;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow: hidden;
}

/* 搜索框样式 */
.function-search-container {
    position: relative;
    display: flex;
    align-items: center;
}

.function-search-input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.function-search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.function-search-icon {
    position: absolute;
    left: 14px;
    width: 18px;
    height: 18px;
    color: var(--text-secondary);
    pointer-events: none;
}

/* 分类标签样式 */
.function-categories {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.function-category-btn {
    padding: 8px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.function-category-btn:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.function-category-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* 函数列表容器 */
.function-list-container {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.function-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    height: 200px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.function-list {
    overflow-y: auto;
    max-height: 100%;
    padding-right: 8px;
}

.function-list::-webkit-scrollbar {
    width: 6px;
}

.function-list::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 3px;
}

.function-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.function-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 函数分类组 */
.function-category-group {
    margin-bottom: 24px;
}

.function-category-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.function-category-icon {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
}

.function-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}

/* 函数项样式 */
.function-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.function-item:hover {
    border-color: var(--primary-color);
    background: var(--hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.function-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.function-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'Consolas', 'Monaco', monospace;
}

.function-category-tag {
    background: var(--primary-color);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
}

.function-description {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.4;
    margin-bottom: 8px;
}

.function-usage {
    color: var(--text-tertiary);
    font-size: 11px;
    font-style: italic;
}

.function-item:hover .function-name {
    color: var(--primary-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .function-library-modal-content {
        width: 95vw;
        height: 90vh;
        margin: 0 auto;
    }
    
    .function-library-modal-body {
        padding: 16px;
    }
    
    .function-items-grid {
        grid-template-columns: 1fr;
    }
    
    .function-categories {
        overflow-x: auto;
        padding-bottom: 8px;
    }
    
    .function-categories::-webkit-scrollbar {
        height: 4px;
    }
    
    .function-categories::-webkit-scrollbar-track {
        background: var(--bg-primary);
    }
    
    .function-categories::-webkit-scrollbar-thumb {
        background: var(--border-color);
        border-radius: 2px;
    }
}

/* =========================== 条件库插入类型选择器样式 =========================== */
.condition-modal-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.insert-type-selector {
    display: flex;
    align-items: center;
    gap: 12px;
}

.insert-type-selector label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
}

.insert-type-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    min-width: 120px;
}

.insert-type-select:hover {
    border-color: var(--accent-primary);
    background: var(--hover-bg);
}

.insert-type-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.1);
}

.condition-action-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.condition-action-btn.primary {
    background: var(--accent-primary);
    color: white;
}

.condition-action-btn.primary:hover {
    background: #1976d2;
    transform: translateY(-1px);
}

.condition-action-btn.primary:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
}

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

.condition-action-btn.secondary:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .condition-modal-actions {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }
    
    .insert-type-selector {
        justify-content: space-between;
    }
    
    .insert-type-select {
        min-width: auto;
        flex: 1;
    }
}