/*
 * Kingbase Blog Plugin Styles
 * Kingbase Red color scheme, FineBI Encyclopedia page layout style
 * Version: 1.0.0
 */

/* CSS Variables - Kingbase Red Color Scheme */
:root {
    --kingbase-primary: rgb(216,3,3);      /* Kingbase Red primary */
    --kingbase-primary-dark: #c5303d; /* Kingbase Red dark */
    --kingbase-primary-light: #ff6b7a; /* Kingbase Red light */
    --kingbase-secondary: #1d3557;    /* Deep Blue */
    --kingbase-accent: #f77f00;       /* Orange accent */
    --kingbase-success: #2a9d8f;      /* Success Green */
    --kingbase-warning: #e9c46a;      /* Warning Yellow */
    --kingbase-info: #264653;         /* Info color */
    --kingbase-light: #f8f9fa;        /* Light background */
    --kingbase-dark: #212529;         /* Dark text */
    --kingbase-gray: #6c757d;         /* Gray */
    --kingbase-border: #dee2e6;       /* Border color */
    
    /* Gradients */
    --kingbase-gradient-primary: linear-gradient(135deg, var(--kingbase-primary) 0%, var(--kingbase-primary-dark) 100%);
    --kingbase-gradient-secondary: linear-gradient(135deg, var(--kingbase-secondary) 0%, var(--kingbase-info) 100%);
    
    /* Shadows */
    --kingbase-shadow-sm: 0 2px 4px rgba(230, 57, 70, 0.1);
    --kingbase-shadow-md: 0 4px 12px rgba(230, 57, 70, 0.15);
    --kingbase-shadow-lg: 0 8px 24px rgba(230, 57, 70, 0.2);
    
    /* Typography */
    --kingbase-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "微软雅黑", sans-serif;
    --kingbase-font-size-base: 16px;
    --kingbase-line-height-base: 1.6;
    
    /* Spacing */
    --kingbase-spacing-xs: 0.25rem;
    --kingbase-spacing-sm: 0.5rem;
    --kingbase-spacing-md: 1rem;
    --kingbase-spacing-lg: 1.5rem;
    --kingbase-spacing-xl: 2rem;
    --kingbase-spacing-xxl: 3rem;
    
    /* Border radius */
    --kingbase-radius-sm: 4px;
    --kingbase-radius-md: 8px;
    --kingbase-radius-lg: 12px;
    --kingbase-radius-xl: 16px;
}

/* Base Reset */
.kingbase-blog * {
    box-sizing: border-box;
}

.kingbase-blog {
    font-family: var(--kingbase-font-family);
    font-size: var(--kingbase-font-size-base);
    line-height: var(--kingbase-line-height-base);
    color: var(--kingbase-dark);
}

/* Container Layout - FineBI Encyclopedia Style */
.kingbase-blog-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--kingbase-spacing-md);
}

/* Header Area */
.kingbase-blog-header {
    background: var(--kingbase-gradient-primary);
    color: white;
    padding: var(--kingbase-spacing-xxl) 0;
    margin-bottom: var(--kingbase-spacing-xl);
    border-radius: var(--kingbase-radius-lg);
    box-shadow: var(--kingbase-shadow-lg);
}

.kingbase-blog-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--kingbase-spacing-md);
    text-align: center;
}

.kingbase-blog-header .subtitle {
    font-size: 1.2rem;
    text-align: center;
    opacity: 0.9;
    margin-bottom: var(--kingbase-spacing-lg);
}

.kingbase-blog-header .description {
    font-size: 1rem;
    line-height: 1.8;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.8;
}

/* Navigation Menu */
.kingbase-blog-nav {
    background: white;
    padding: var(--kingbase-spacing-md) 0;
    margin-bottom: var(--kingbase-spacing-xl);
    border-radius: var(--kingbase-radius-md);
    box-shadow: var(--kingbase-shadow-sm);
    border: 1px solid var(--kingbase-border);
}

.kingbase-blog-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--kingbase-spacing-lg);
}

.kingbase-blog-nav li {
    margin: 0;
}

.kingbase-blog-nav a {
    color: var(--kingbase-dark);
    text-decoration: none;
    padding: var(--kingbase-spacing-sm) var(--kingbase-spacing-md);
    border-radius: var(--kingbase-radius-sm);
    transition: all 0.3s ease;
    font-weight: 500;
}

.kingbase-blog-nav a:hover,
.kingbase-blog-nav a.active {
    background: var(--kingbase-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--kingbase-shadow-md);
}

/* Main Content Area */
.kingbase-blog-main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--kingbase-spacing-xl);
    margin-bottom: var(--kingbase-spacing-xxl);
}

@media (max-width: 768px) {
    .kingbase-blog-main {
        grid-template-columns: 1fr;
        gap: var(--kingbase-spacing-lg);
    }
}

/* Post List */
.kingbase-blog-posts {
    display: grid;
    gap: var(--kingbase-spacing-xl);
}

/* Post Card */
.kingbase-blog-post-card {
    background: white;
    border-radius: var(--kingbase-radius-lg);
    box-shadow: var(--kingbase-shadow-sm);
    border: 1px solid var(--kingbase-border);
    overflow: hidden;
    transition: all 0.3s ease;
}

.kingbase-blog-post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--kingbase-shadow-lg);
}

.kingbase-blog-post-card-image {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
}

.kingbase-blog-post-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.kingbase-blog-post-card:hover .kingbase-blog-post-card-image img {
    transform: scale(1.05);
}

.kingbase-blog-post-card-content {
    padding: var(--kingbase-spacing-lg);
}

.kingbase-blog-post-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--kingbase-spacing-md);
    line-height: 1.4;
}

.kingbase-blog-post-card-title a {
    color: var(--kingbase-dark);
    text-decoration: none;
    transition: color 0.3s ease;
}

.kingbase-blog-post-card-title a:hover {
    color: var(--kingbase-primary);
}

.kingbase-blog-post-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--kingbase-spacing-sm);
    margin-bottom: var(--kingbase-spacing-md);
    font-size: 0.9rem;
    color: var(--kingbase-gray);
}

.kingbase-blog-post-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--kingbase-spacing-xs);
}

.kingbase-blog-post-card-excerpt {
    color: var(--kingbase-gray);
    line-height: 1.6;
    margin-bottom: var(--kingbase-spacing-lg);
}

.kingbase-blog-post-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--kingbase-spacing-md);
    border-top: 1px solid var(--kingbase-border);
}

.kingbase-blog-post-categories {
    display: flex;
    gap: var(--kingbase-spacing-xs);
    flex-wrap: wrap;
}

.kingbase-blog-post-category {
    background: var(--kingbase-light);
    color: var(--kingbase-dark);
    padding: var(--kingbase-spacing-xs) var(--kingbase-spacing-sm);
    border-radius: var(--kingbase-radius-sm);
    font-size: 0.8rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.kingbase-blog-post-category:hover {
    background: var(--kingbase-primary);
    color: white;
}

.kingbase-blog-read-more {
    background: var(--kingbase-gradient-primary);
    color: white;
    padding: var(--kingbase-spacing-sm) var(--kingbase-spacing-md);
    border-radius: var(--kingbase-radius-sm);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.kingbase-blog-read-more:hover {
    background: var(--kingbase-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--kingbase-shadow-md);
}

/* Sidebar */
.kingbase-blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--kingbase-spacing-xl);
}

.kingbase-blog-widget {
    background: white;
    border-radius: var(--kingbase-radius-lg);
    box-shadow: var(--kingbase-shadow-sm);
    border: 1px solid var(--kingbase-border);
    overflow: hidden;
}

.kingbase-blog-widget-header {
    background: var(--kingbase-gradient-primary);
    color: white;
    padding: var(--kingbase-spacing-md) var(--kingbase-spacing-lg);
    font-weight: 600;
    font-size: 1.1rem;
}

.kingbase-blog-widget-content {
    padding: var(--kingbase-spacing-lg);
}

/* 产品推荐卡片 */
.kingbase-blog-product-card {
    display: flex;
    gap: var(--kingbase-spacing-md);
    margin-bottom: var(--kingbase-spacing-md);
    padding-bottom: var(--kingbase-spacing-md);
    border-bottom: 1px solid var(--kingbase-border);
}

.kingbase-blog-product-card:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.kingbase-blog-product-icon {
    width: 48px;
    height: 48px;
    background: var(--kingbase-gradient-primary);
    border-radius: var(--kingbase-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    flex-shrink: 0;
}

.kingbase-blog-product-info h4 {
    margin: 0 0 var(--kingbase-spacing-xs) 0;
    font-size: 1rem;
    color: var(--kingbase-dark);
}

.kingbase-blog-product-info p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--kingbase-gray);
    line-height: 1.4;
}

.kingbase-blog-product-links {
    display: flex;
    gap: var(--kingbase-spacing-sm);
    margin-top: var(--kingbase-spacing-sm);
}

.kingbase-blog-product-link {
    font-size: 0.8rem;
    color: var(--kingbase-primary);
    text-decoration: none;
    padding: var(--kingbase-spacing-xs) var(--kingbase-spacing-sm);
    border: 1px solid var(--kingbase-primary);
    border-radius: var(--kingbase-radius-sm);
    transition: all 0.3s ease;
}

.kingbase-blog-product-link:hover {
    background: var(--kingbase-primary);
    color: white;
}

/* Tag Cloud */
.kingbase-blog-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--kingbase-spacing-sm);
}

.kingbase-blog-tag {
    background: var(--kingbase-light);
    color: var(--kingbase-dark);
    padding: var(--kingbase-spacing-xs) var(--kingbase-spacing-md);
    border-radius: var(--kingbase-radius-xl);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.kingbase-blog-tag:hover {
    background: var(--kingbase-primary);
    color: white;
    transform: translateY(-2px);
}

/* 资料推荐 */
.kingbase-blog-resource-item {
    margin-bottom: var(--kingbase-spacing-lg);
    padding-bottom: var(--kingbase-spacing-lg);
    border-bottom: 1px solid var(--kingbase-border);
}

.kingbase-blog-resource-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.kingbase-blog-resource-title {
    font-weight: 600;
    margin-bottom: var(--kingbase-spacing-sm);
    color: var(--kingbase-dark);
}

.kingbase-blog-resource-desc {
    color: var(--kingbase-gray);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--kingbase-spacing-sm);
}

.kingbase-blog-resource-link {
    color: var(--kingbase-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.kingbase-blog-resource-link:hover {
    text-decoration: underline;
}

/* 分页 */
.kingbase-blog-pagination {
    display: flex;
    justify-content: center;
    gap: var(--kingbase-spacing-sm);
    margin-top: var(--kingbase-spacing-xxl);
}

.kingbase-blog-pagination a,
.kingbase-blog-pagination span {
    padding: var(--kingbase-spacing-sm) var(--kingbase-spacing-md);
    border: 1px solid var(--kingbase-border);
    border-radius: var(--kingbase-radius-sm);
    text-decoration: none;
    color: var(--kingbase-dark);
    transition: all 0.3s ease;
}

.kingbase-blog-pagination a:hover,
.kingbase-blog-pagination .current {
    background: var(--kingbase-primary);
    color: white;
    border-color: var(--kingbase-primary);
}

/* Search框 */
.kingbase-blog-search {
    position: relative;
    margin-bottom: var(--kingbase-spacing-xl);
}

.kingbase-blog-search input {
    width: 100%;
    padding: var(--kingbase-spacing-md);
    border: 2px solid var(--kingbase-border);
    border-radius: var(--kingbase-radius-lg);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.kingbase-blog-search input:focus {
    outline: none;
    border-color: var(--kingbase-primary);
}

.kingbase-blog-search button {
    position: absolute;
    right: var(--kingbase-spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    background: var(--kingbase-gradient-primary);
    color: white;
    border: none;
    padding: var(--kingbase-spacing-sm) var(--kingbase-spacing-md);
    border-radius: var(--kingbase-radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.kingbase-blog-search button:hover {
    background: var(--kingbase-primary-dark);
}

/* 加载动画 */
.kingbase-blog-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--kingbase-spacing-xxl);
}

.kingbase-blog-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--kingbase-border);
    border-top: 4px solid var(--kingbase-primary);
    border-radius: 50%;
    animation: kingbase-spin 1s linear infinite;
}

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

/* 错误状态 */
.kingbase-blog-error {
    background: #fff5f5;
    color: #c53030;
    padding: var(--kingbase-spacing-lg);
    border-radius: var(--kingbase-radius-md);
    border: 1px solid #feb2b2;
    text-align: center;
}

/* 空状态 */
.kingbase-blog-empty {
    text-align: center;
    padding: var(--kingbase-spacing-xxl);
    color: var(--kingbase-gray);
}

.kingbase-blog-empty-icon {
    font-size: 4rem;
    margin-bottom: var(--kingbase-spacing-lg);
    color: var(--kingbase-border);
}

/* Responsive Design */
@media (max-width: 992px) {
    .kingbase-blog-container {
        padding: 0 var(--kingbase-spacing-sm);
    }
    
    .kingbase-blog-header h1 {
        font-size: 2rem;
    }
    
    .kingbase-blog-nav ul {
        gap: var(--kingbase-spacing-md);
    }
}

@media (max-width: 576px) {
    .kingbase-blog-header h1 {
        font-size: 1.8rem;
    }
    
    .kingbase-blog-nav ul {
        flex-direction: column;
        align-items: center;
        gap: var(--kingbase-spacing-sm);
    }
    
    .kingbase-blog-post-card-content {
        padding: var(--kingbase-spacing-md);
    }
    
    .kingbase-blog-widget-content {
        padding: var(--kingbase-spacing-md);
    }
    
    .kingbase-blog-product-card {
        flex-direction: column;
        text-align: center;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .kingbase-blog {
        --kingbase-light: #2d3748;
        --kingbase-dark: #f7fafc;
        --kingbase-border: #4a5568;
        background: #1a202c;
    }
    
    .kingbase-blog-post-card,
    .kingbase-blog-widget {
        background: #2d3748;
        border-color: #4a5568;
    }
    
    .kingbase-blog-nav {
        background: #2d3748;
        border-color: #4a5568;
    }
}

/* 打印样式 */
@media print {
    .kingbase-blog-nav,
    .kingbase-blog-sidebar,
    .kingbase-blog-pagination {
        display: none;
    }
    
    .kingbase-blog-main {
        grid-template-columns: 1fr;
    }
    
    .kingbase-blog-post-card {
        box-shadow: none;
        border: 1px solid #ccc;
        break-inside: avoid;
    }
}

/* Mobile Optimization */
@media (max-width: 768px) {
    /* 优化移动端图片显示 */
    .kingbase-blog-post-card-image img {
        object-fit: cover;
        width: 100%;
        height: 100%;
    }
    
    /* 优化移动端Post Card */
    .kingbase-blog-post-card {
        margin-bottom: var(--kingbase-spacing-lg);
    }
    
    /* 优化移动端Sidebar */
    .kingbase-blog-sidebar {
        margin-top: var(--kingbase-spacing-lg);
    }
    
    /* 优化移动端网格布局 */
    .kingbase-blog-main {
        display: block;
    }
    
    .kingbase-blog-posts {
        margin-bottom: var(--kingbase-spacing-lg);
    }
}

@media (max-width: 480px) {
    /* 小屏幕设备进一步优化 */
    .kingbase-blog-post-card-content {
        padding: var(--kingbase-spacing-md);
    }
    
    .kingbase-blog-post-card-title {
        font-size: 1.1rem;
    }
    
    /* 优化移动端产品卡片 */
    .kingbase-blog-product-card {
        flex-direction: column;
        text-align: center;
    }
}

/* 可访问性增强 */
.kingbase-blog a:focus,
.kingbase-blog button:focus,
.kingbase-blog input:focus {
    outline: 2px solid var(--kingbase-primary);
    outline-offset: 2px;
}

.kingbase-blog .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* 动画效果 */
.kingbase-blog-fade-in {
    animation: kingbase-fade-in 0.5s ease-in-out;
}

@keyframes kingbase-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.kingbase-blog-slide-up {
    animation: kingbase-slide-up 0.3s ease-out;
}

@keyframes kingbase-slide-up {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}