/**
 * 小林个人网站 - 共享样式
 * 所有页面共用的基础样式
 */

/* ===== 基础重置与变量 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-color: #FAFAFA;
    --card-bg: #FFFFFF;
    --text-primary: #1A1A1A;
    --text-secondary: #666666;
    --text-muted: #999999;
    --border-color: #E8E8E8;
    --accent-pink: #FFB6C1;
    --accent-green: #98D8C8;
    --accent-yellow: #F7DC6F;
    --accent-blue: #A8D8EA;
    --accent-purple: #DDA0DD;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
    --radius: 16px;
    --radius-sm: 8px;
}

body {
    font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ===== 导航栏 ===== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    cursor: pointer;
    transition: transform 0.3s ease;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo:hover {
    transform: rotate(-5deg);
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.back-btn-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    text-decoration: none;
}

.back-btn-nav:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

/* ===== 页面头部 ===== */
.page-header {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px;
    text-align: center;
}

.page-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
}

/* ===== 页面容器 ===== */
.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px 60px;
}

/* ===== Bento Grid 布局（页面内使用） ===== */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.detail-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.detail-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* ===== 卡片基础样式 ===== */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

.card-tag {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    display: inline-block;
    padding: 6px 12px;
    background: var(--bg-color);
    border-radius: 12px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.card-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* 卡片尺寸变体 */
.card-span-2 {
    grid-column: span 2;
}

.card-span-3 {
    grid-column: span 3;
}

.card-row-2 {
    grid-row: span 2;
}

/* ===== 列表样式 ===== */
.detail-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-list-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--bg-color);
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
}

.detail-list-item:hover {
    background: rgba(0,0,0,0.03);
    transform: translateX(4px);
}

.list-icon {
    font-size: 20px;
    flex-shrink: 0;
}

.list-content {
    flex: 1;
}

.list-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.list-desc {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ===== 进度条 ===== */
.progress-bar {
    height: 8px;
    background: var(--bg-color);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 12px;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1s ease;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
}

/* ===== 标签 ===== */
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 6px 14px;
    background: var(--bg-color);
    border-radius: 20px;
    font-size: 13px;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
}

.tag-colored {
    background: rgba(255, 182, 193, 0.2);
    border-color: var(--accent-pink);
    color: #E91E63;
}

/* ===== 时间线 ===== */
.timeline {
    position: relative;
    padding-left: 24px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 24px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -22px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-pink);
    border: 2px solid var(--card-bg);
}

.timeline-date {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.timeline-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.timeline-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===== 统计数字 ===== */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.stat-box {
    text-align: center;
    padding: 20px;
    background: var(--bg-color);
    border-radius: var(--radius-sm);
}

.stat-number {
    font-size: 32px;
    font-weight: 800;
    color: var(--accent-pink);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* ===== 图片卡片 ===== */
.img-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-sm);
    aspect-ratio: 16/10;
}

.img-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-color), var(--border-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
}

.img-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: white;
}

/* ===== 引用块 ===== */
.quote-block {
    padding: 24px;
    background: var(--bg-color);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--accent-pink);
    font-style: italic;
    color: var(--text-secondary);
}

/* ===== 按钮样式 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: var(--text-primary);
    color: white;
    border: none;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.btn-outline:hover {
    background: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 40px;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.footer-info h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.footer-info p {
    font-size: 13px;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--text-primary);
}

.footer-divider {
    width: 60px;
    height: 1px;
    background: var(--border-color);
}

.footer-credit {
    font-size: 12px;
    color: var(--text-muted);
}

.footer-credit a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.footer-credit a:hover {
    color: var(--accent-pink);
}

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

.animate-in {
    animation: fadeInUp 0.5s ease forwards;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .detail-grid,
    .detail-grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .card-span-2,
    .card-span-3 {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .navbar {
        padding: 16px 20px;
    }
    
    .page-header {
        padding: 30px 20px;
    }
    
    .page-title {
        font-size: 32px;
    }
    
    .page-container {
        padding: 0 16px 40px;
    }
    
    .detail-grid,
    .detail-grid-2,
    .detail-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .card-span-2,
    .card-span-3 {
        grid-column: span 1;
    }
    
    .card {
        padding: 20px;
    }
    
    .site-footer {
        padding: 30px 20px;
    }
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: #D0D0D0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #B0B0B0;
}