/*
Theme Name: 硬折扣信息流
Description: 简约信息流主题 - 左侧分类导航，无限滚动
Version: 1.7
*/

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background: #fafafa; color: #333; }

/* 布局 */
.layout { display: flex; min-height: 100vh; }

/* 左侧导航 - 固定定位 */
.sidebar { 
    width: 220px; 
    background: #fff; 
    border-right: 1px solid #e8e8e8; 
    padding: 24px 0; 
    position: fixed; 
    left: 0;
    top: 0;
    height: 100vh; 
    overflow-y: auto; 
    z-index: 100;
}

.site-name { font-size: 16px; font-weight: 600; color: #1a1a1a; padding: 0 20px 8px; }
.site-name a { color: inherit; text-decoration: none; }
.nav-section { padding: 0 12px; }
.nav-title { font-size: 11px; color: #999; text-transform: uppercase; letter-spacing: 0.5px; padding: 8px 8px; }
.nav-list { list-style: none; }
.nav-list li { margin: 2px 0; }
.nav-list a { display: block; padding: 10px 12px; color: #555; text-decoration: none; font-size: 14px; border-radius: 6px; transition: all 0.15s; }
.nav-list a:hover { background: #f5f5f5; color: #1a1a1a; }
.nav-list a.active, .nav-cat-link.active { background: #e6f4ff !important; color: #0958d9 !important; font-weight: 500; }
.cat-count { font-size: 11px; color: #999; font-weight: normal; }

/* 主内容区 */
.main { flex: 1; margin-left: 220px; padding: 32px 40px; max-width: 900px; min-height: 100vh; }

/* 文章列表 */
.post { background: #fff; border-radius: 8px; padding: 20px 24px; margin-bottom: 12px; border: 1px solid #e8e8e8; transition: box-shadow 0.2s; cursor: pointer; }
.post:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.06); }
.post-title { font-size: 16px; font-weight: 500; margin-bottom: 8px; }
.post-title a { color: #1a1a1a; text-decoration: none; }
.post-title a:hover { color: #0958d9; }
.post-excerpt { font-size: 14px; color: #666; line-height: 1.6; margin-bottom: 10px; }
.post-excerpt a { color: #666; text-decoration: none; }
.post-meta { font-size: 12px; color: #999; }
.post-meta a { color: #999; text-decoration: none; }

/* 分页 */
.pagination { margin-top: 24px; font-size: 14px; }
.pagination a { color: #0958d9; text-decoration: none; margin-right: 16px; }

/* 详情页 */
.single { background: #fff; border-radius: 8px; padding: 32px; border: 1px solid #e8e8e8; }
.back-btn { display: inline-block; font-size: 13px; color: #666; text-decoration: none; margin-bottom: 20px; }
.single-title { font-size: 22px; font-weight: 600; margin-bottom: 12px; color: #1a1a1a; }
.single-meta { font-size: 13px; color: #999; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid #f0f0f0; }
.single-content { font-size: 15px; line-height: 1.8; color: #333; }
.single-content p { margin-bottom: 16px; }
.single-content img { max-width: 100%; height: auto; border-radius: 4px; margin: 16px 0; }

/* 加载指示器 */
.loading-indicator { display: flex; align-items: center; justify-content: center; padding: 24px; color: #999; font-size: 14px; gap: 8px; }
.loading-spinner { width: 18px; height: 18px; border: 2px solid #e8e8e8; border-top-color: #FFD100; border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.no-more-posts { text-align: center; padding: 24px; color: #999; font-size: 13px; }

/* 手机版导航 */
.mobile-nav { display: none; }

@media (max-width: 768px) {
    .mobile-nav {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
        background: #fff;
        border-bottom: 1px solid #e8e8e8;
        padding: 12px 16px;
    }
    .mobile-nav .site-logo { display: flex; align-items: center; font-weight: 800; font-size: 20px; color: #1a1a1a; margin-bottom: 16px; letter-spacing: 1px; text-decoration: none; }

    .mobile-nav .nav-scroll { overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
    .mobile-nav .nav-scroll a { display: inline-block; padding: 8px 14px; margin-right: 8px; font-size: 13px; color: #555; text-decoration: none; background: #f5f5f5; border-radius: 16px; }
    .mobile-nav .nav-scroll a.active { background: #e6f4ff !important; color: #0958d9 !important; }
    .sidebar { display: none; }
    .main { margin-left: 0; padding: 16px; padding-bottom: 60px; padding-top: 100px; }
    .post { padding: 16px; margin-bottom: 10px; }
    .post-title { font-size: 15px; }
    .post-excerpt { font-size: 13px; }
    .single { padding: 20px; }
    .single-title { font-size: 18px; }
    .single-content { font-size: 14px; }
    .layout { flex-direction: column; }
}

/* 文章淡入动画 */
.post { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }