/* Feature Card Styles */

.feature-category {
    margin-bottom: 40px;
}

.category-header {
    display: flex;
    align-items: center;
    margin-bottom: 24px;
}

/* 优化分类图标容器 */
.category-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    position: relative;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.1) 0%, rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.2) 100%);
    box-shadow: 0 4px 8px -2px rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.15);
    transition: all 0.3s ease;
    overflow: hidden;
}

/* 添加图标发光效果 */
.category-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.category-header:hover .category-icon::before {
    opacity: 1;
}

/* 图标样式优化 */
.category-icon .material-icons {
    font-size: 28px;
    /* 通过行内样式继承color */
    filter: drop-shadow(0 2px 3px rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.3));
    transition: all 0.3s ease;
}

/* 亮色主题下的额外样式 */
:root:not([data-theme="dark"]) .category-icon {
    background: linear-gradient(135deg, rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.12) 0%, rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.2) 100%);
}

/* 暗色主题下的额外样式 */
[data-theme="dark"] .category-icon {
    background: linear-gradient(135deg, rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.15) 0%, rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.25) 100%);
    box-shadow: 0 4px 12px -2px rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.3), 
                inset 0 1px 2px rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .category-icon .material-icons {
    filter: drop-shadow(0 2px 4px rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.5));
}

/* 分类标题效果 */
.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin: 0;
    position: relative;
    transition: all 0.3s ease;
}

.category-header:hover .category-title {
    transform: translateX(3px);
}

.category-header:hover .category-icon {
    transform: scale(1.05);
    box-shadow: 0 6px 12px -2px rgba(var(--icon-color-rgb, var(--primary-color-rgb)), 0.25);
}

.category-header:hover .category-icon .material-icons {
    transform: scale(1.1);
}

/* Subcategory styles */
.subcategory {
    margin-bottom: 30px;
}

.subcategory-header {
    margin-bottom: 16px;
    padding-left: 56px; /* Align with category title */
}

.subcategory-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
    opacity: 0.85;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

/* 美化特性卡片 */
.feature-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-sm);
    padding: 24px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

/* 美化特性图标 */
.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 15px;
}

.feature-card:hover .feature-icon {
    transform: scale(1.05);
}

/* 特性图标背景效果 */
.feature-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background-color: currentColor;
    opacity: 0.1;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon::before {
    opacity: 0.15;
    transform: scale(1.1);
}

.feature-icon .material-icons {
    font-size: 28px;
    /* 使用行内样式设置颜色，无需在这里指定 */
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.15));
    transition: all 0.3s ease;
    z-index: 1;
}

[data-theme="dark"] .feature-icon .material-icons {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.feature-card:hover .feature-icon .material-icons {
    transform: scale(1.1);
}

.feature-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color);
}

.feature-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 16px;
    flex-grow: 1;
}

.feature-action-btn {
    background-color: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    border-radius: 50%;
    color: var(--primary-color);
    align-self: flex-end;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.feature-action-btn .material-icons {
    font-size: 20px;
}

.feature-action-btn:hover {
    background-color: rgba(var(--primary-color-rgb), 0.1);
    transform: translateX(3px);
}

/* Dark mode adjustments */
[data-theme="dark"] .feature-action-btn:hover {
    background-color: rgba(var(--primary-color-rgb), 0.2);
}

/* Responsive styles */
@media (max-width: 768px) {
    .category-icon {
        width: 40px;
        height: 40px;
    }
    
    .category-icon .material-icons {
        font-size: 24px;
    }
    
    .category-title {
        font-size: 1.3rem;
    }
    
    .subcategory-header {
        padding-left: 32px;
    }
    
    .subcategory-title {
        font-size: 1.1rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .feature-card {
        padding: 20px;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
    }
    
    .feature-icon .material-icons {
        font-size: 24px;
    }
}