/* ===== Category Pages Unified Styles ===== */
/* 这个CSS文件用于所有category页面的统一样式管理 */

/* 基础变量定义 */
:root {
    /* 颜色主题 */
    --category-primary-color: #1e293b;
    --category-secondary-color: #64748b;
    --category-accent-color: #3b82f6;
    --category-bg-gradient-from: #f8fafc;
    --category-bg-gradient-to: #e2e8f0;
    
    /* 间距变量 */
    --category-section-spacing: 2rem;
    --category-card-padding: 1.5rem;
    --category-header-margin: 3rem;
    
    /* 圆角和阴影 */
    --category-card-radius: 0.5rem;
    --category-card-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --category-card-border: 1px solid #e2e8f0;
}

/* 页面整体布局 */
.category-page {
    background: linear-gradient(to bottom right, var(--category-bg-gradient-from), var(--category-bg-gradient-to));
    min-height: 100vh;
    font-family: 'Inter', system-ui, sans-serif;
}

/* 主内容区域 */
.category-main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

@media (min-width: 640px) {
    .category-main {
        padding: 2rem 1.5rem;
    }
}

@media (min-width: 1024px) {
    .category-main {
        padding: 2rem 2rem;
    }
}

/* 页面标题区域 */
.category-header {
    text-align: center;
    margin-bottom: var(--category-header-margin);
}

.category-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--category-primary-color);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

@media (min-width: 640px) {
    .category-title {
        font-size: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .category-title {
        font-size: 3rem;
    }
}

.category-description {
    font-size: 1.125rem;
    color: var(--category-secondary-color);
    max-width: 48rem;
    margin: 0 auto;
    line-height: 1.6;
}

/* 计算器分类网格 */
.category-grid {
    display: grid;
    gap: var(--category-section-spacing);
    margin-bottom: var(--category-header-margin);
}

/* 分类卡片 */
.category-section {
    background: white;
    border-radius: var(--category-card-radius);
    box-shadow: var(--category-card-shadow);
    border: var(--category-card-border);
    padding: var(--category-card-padding);
    transition: all 0.2s ease-in-out;
}

.category-section:hover {
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    transform: translateY(-1px);
}

.category-section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--category-primary-color);
    margin-bottom: 1rem;
}

.category-section-description {
    color: var(--category-secondary-color);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

/* 计算器卡片网格 */
.calculator-grid {
    display: grid;
    gap: 1rem;
}

@media (min-width: 768px) {
    .calculator-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .calculator-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 计算器卡片 */
.calculator-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 0.375rem;
    padding: 1rem;
    transition: all 0.2s ease-in-out;
    text-decoration: none;
    display: block;
    position: relative;
}

.calculator-card:hover {
    background: #f1f5f9;
    border-color: var(--category-accent-color);
    transform: translateY(-1px);
    text-decoration: none;
}

.calculator-card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--category-primary-color);
    margin-bottom: 0.5rem;
}

.calculator-card-description {
    font-size: 0.875rem;
    color: var(--category-secondary-color);
    line-height: 1.4;
    margin-bottom: 0.75rem;
}

/* 计算器状态标签 */
.calculator-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.status-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-weight: 500;
}

.status-available {
    background: #dbeafe;
    color: #1d4ed8;
}

.status-popular {
    background: #fef3c7;
    color: #d97706;
}

.status-coming-soon {
    background: #f1f5f9;
    color: #64748b;
    font-style: italic;
}

.calculator-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--category-accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.calculator-link:hover {
    color: #1d4ed8;
}

/* 即将推出的计算器样式 */
.calculator-card.coming-soon {
    background: #f8fafc;
    opacity: 0.7;
    cursor: not-allowed;
}

.calculator-card.coming-soon:hover {
    transform: none;
    border-color: #e2e8f0;
    background: #f8fafc;
}

.calculator-card.coming-soon .calculator-card-title {
    color: #64748b;
}

.calculator-card.coming-soon .calculator-card-description {
    color: #94a3b8;
}

/* 可用计算器的特殊样式 */
.calculator-card.available {
    background: white;
    border-color: #e2e8f0;
}

.calculator-card.available:hover {
    background: #f8fafc;
    border-color: var(--category-accent-color);
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

/* 响应式隐藏/显示 */
.hide-mobile {
    display: none;
}

@media (min-width: 768px) {
    .hide-mobile {
        display: block;
    }
}

.hide-desktop {
    display: block;
}

@media (min-width: 768px) {
    .hide-desktop {
        display: none;
    }
}

/* 自定义间距工具类 */
.spacing-tight {
    --category-section-spacing: 1rem;
    --category-card-padding: 1rem;
    --category-header-margin: 2rem;
}

.spacing-loose {
    --category-section-spacing: 3rem;
    --category-card-padding: 2rem;
    --category-header-margin: 4rem;
}

/* 主题变体 */
.theme-blue {
    --category-accent-color: #3b82f6;
    --category-bg-gradient-from: #eff6ff;
    --category-bg-gradient-to: #dbeafe;
}

.theme-green {
    --category-accent-color: #10b981;
    --category-bg-gradient-from: #ecfdf5;
    --category-bg-gradient-to: #d1fae5;
}

.theme-purple {
    --category-accent-color: #8b5cf6;
    --category-bg-gradient-from: #faf5ff;
    --category-bg-gradient-to: #e9d5ff;
}

.theme-orange {
    --category-accent-color: #f59e0b;
    --category-bg-gradient-from: #fffbeb;
    --category-bg-gradient-to: #fef3c7;
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* 打印样式 */
@media print {
    .category-page {
        background: white;
    }
    
    .category-section {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .calculator-card:hover {
        background: #f8fafc;
        transform: none;
    }
}