/* =============================================
   timlake.cn - v7: 左侧导航 + 日期索引 + 日期排序
   ============================================= */

:root {
  --bg: #ffffff;
  --bg-alt: #f8f9fa;
  --text: #1a1a2e;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  --border: #e5e7eb;
  --accent: #2563eb;
  --sidebar-bg: #0c0c14;
  --sidebar-text: rgba(255,255,255,0.6);
  --sidebar-text-hover: rgba(255,255,255,0.9);
  --sidebar-active: #fff;
  --sidebar-width: 180px;
  --datebar-width: 200px;
}

/* ===== 1. Remove Stellar junk ===== */
.float-panel, .float-panel *,
.l_main .navbar.top,
.l_left .widgets,
.l_left footer.footer,
.l_main .header.mobile-only,
.main-mask,
.l_body .l_right,
.headroom { display: none !important; }

/* ===== 2. Base Layout ===== */
body {
  background: var(--bg) !important;
  color: var(--text) !important;
  margin: 0 !important;
}

.l_body {
  display: grid !important;
  grid-template-columns: var(--sidebar-width) 1fr !important;
  padding: 0 !important;
  margin: 0 !important;
  min-height: 100vh !important;
  max-width: 100% !important;
  background: var(--bg) !important;
}

/* With date index: 3 columns */
.l_body.has-datebar {
  grid-template-columns: var(--sidebar-width) var(--datebar-width) 1fr !important;
}

/* ===== 3. Left Sidebar Navigation ===== */
.l_body .l_left {
  display: flex !important;
  position: sticky !important;
  top: 0 !important;
  left: 0 !important;
  width: var(--sidebar-width) !important;
  min-width: var(--sidebar-width) !important;
  height: 100vh !important;
  background: var(--sidebar-bg) !important;
  flex-direction: column !important;
  padding: 0 !important;
  margin: 0 !important;
  border-radius: 0 !important;
  z-index: 50 !important;
  overflow: hidden !important;
}
.l_left .widgets { display: none !important; }
.l_left footer.footer { display: none !important; }
.l_left .leftbar-container:after,
.l_left .leftbar-container::before,
.l_left .search-wrapper,
.l_left .social-wrap { display: none !important; }

/* Brand area */
.l_left .leftbar-container {
  display: flex !important;
  flex-direction: column !important;
  height: 100vh !important;
  padding: 0 !important;
  margin: 0 !important;
  background: transparent !important;
}

.l_left .header {
  padding: 28px 16px 24px !important;
  margin: 0 !important;
}

.l_left .header .logo-wrap {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 6px !important;
}

.l_left .header .logo-wrap .avatar,
.l_left .header .logo-wrap .avatar .bg,
.l_left .header .logo-wrap .avatar img,
.l_left .header .logo-wrap .avatar a { display: none !important; }
.l_left .header .title .sub { display: none !important; }
.l_left .header .title { text-align: center !important; }
.l_left .header .title .main {
  color: #e8e8e8 !important;
  font-size: 20px !important;
  font-weight: 700 !important;
  letter-spacing: 1px !important;
  text-decoration: none !important;
}
.l_left .header .title .main .c1 { color: var(--accent) !important; }
.l_left .header .title .main .c2 { color: #ea580c !important; }
.l_left .header .title .sub {
  color: rgba(255,255,255,0.3) !important;
  font-size: 11px !important;
  margin-top: 2px !important;
}
.l_left .header:after { display: none !important; }
.l_left .logo-wrap:after {
  content: '' !important;
  display: block !important;
  height: 1px !important;
  background: rgba(255,255,255,0.06) !important;
  width: 120px !important;
  margin: 8px auto 0 !important;
}

/* Navigation items */
.l_left .nav-area {
  flex: 1 !important;
  padding: 8px 12px !important;
  margin: 0 !important;
}

.l_left .menu {
  display: flex !important;
  flex-direction: column !important;
  gap: 2px !important;
  margin: 0 !important;
  grid-template-columns: none !important;
}

.l_left .menu .nav-item {
  display: flex !important;
  flex-direction: row !important;
  align-items: center !important;
  gap: 8px !important;
  height: 38px !important;
  padding: 0 10px !important;
  border-radius: 6px !important;
  font-size: 14px !important;
  font-weight: 400 !important;
  color: var(--sidebar-text) !important;
  background: transparent !important;
  transition: all 0.15s ease !important;
  text-decoration: none !important;
}
.l_left .menu .nav-item:hover {
  color: var(--sidebar-text-hover) !important;
  background: rgba(255,255,255,0.06) !important;
}
.l_left .menu .nav-item.active {
  color: var(--sidebar-active) !important;
  background: rgba(255,255,255,0.1) !important;
  font-weight: 500 !important;
}
.l_left .menu .nav-item.active:after { display: none !important; }
.l_left .menu .nav-item .nav-icon { font-size: 16px !important; }
.l_left .menu .nav-item .nav-label { font-size: 14px !important; }

/* Footer in sidebar */
#sidebar-footer {
  padding: 12px 16px 20px !important;
  text-align: center !important;
  font-size: 11px !important;
  color: rgba(255,255,255,0.15) !important;
  flex-shrink: 0 !important;
}

/* ===== Hide problem headings in article body ===== */
/* Hide external link list (推荐阅读) in article body */
.av-body ol {
  display: none !important;
}

/* ===== Section Headers (aiHOT style: 01 · TOP STORIES) ===== */
.av-topnav { display: none !important; }

/* Homepage: latest post full content */
.home-latest {
  padding: 16px 0 !important;
}
.home-latest-header {
  font-size: 18px !important;
  font-weight: 700 !important;
  color: var(--text) !important;
  padding: 0 0 12px !important;
  border-bottom: 1px solid var(--border) !important;
  margin-bottom: 16px !important;
}
.home-latest .md-text.content {
  font-size: 15px !important;
  line-height: 1.8 !important;
}
.home-latest .md-text.content h2 {
  font-size: 18px !important;
  font-weight: 700 !important;
  margin: 24px 0 12px !important;
  padding-bottom: 6px !important;
  border-bottom: 1px solid var(--border) !important;
}
.home-latest .md-text.content h3 {
  font-size: 16px !important;
  font-weight: 600 !important;
  margin: 20px 0 8px !important;
}
.home-latest .md-text.content p {
  margin: 8px 0 !important;
}
.home-latest .md-text.content a { color: var(--accent) !important; }
.home-latest .md-text.content ul, 
.home-latest .md-text.content ol {
  padding-left: 20px !important;
}
.home-latest .md-text.content blockquote {
  margin: 12px 0 !important;
  padding: 8px 12px !important;
  border-left: 3px solid var(--accent) !important;
  background: var(--bg-alt) !important;
}
.home-latest .md-text.content hr {
  border: none !important;
  border-top: 1px solid var(--border) !important;
  margin: 20px 0 !important;
}

.section-header {
  display: flex !important;
  align-items: baseline !important;
  gap: 8px !important;
  padding: 32px 0 8px !important;
  border-bottom: 1px solid var(--border) !important;
  margin-bottom: 16px !important;
}
.section-header .section-num {
  font-size: 12px !important;
  font-weight: 700 !important;
  color: var(--accent) !important;
  letter-spacing: 1px !important;
}
.section-header .section-title {
  font-size: 16px !important;
  font-weight: 700 !important;
  color: var(--text) !important;
}
.section-header .section-en {
  font-size: 11px !important;
  font-weight: 500 !important;
  color: var(--text-muted) !important;
  text-transform: uppercase !important;
  letter-spacing: 1px !important;
  margin-left: auto !important;
}

/* ===== Article View Header (VOL/date metadata) ===== */
.av-meta {
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  color: var(--text-muted) !important;
  text-transform: uppercase !important;
  letter-spacing: 1px !important;
  padding: 16px 0 4px !important;
}
.av-meta .av-vol { color: var(--accent) !important; }
.av-date-cn {
  font-size: 13px !important;
  color: var(--text) !important;
  padding: 0 0 2px !important;
}
.av-time {
  font-size: 11px !important;
  color: var(--text-muted) !important;
  padding: 0 0 16px !important;
  letter-spacing: 1px !important;
}

/* ===== Article Footer Stats ===== */
.av-footer {
  margin-top: 32px !important;
  padding: 20px 0 !important;
  border-top: 1px solid var(--border) !important;
}
.av-footer-inner {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 12px !important;
  font-size: 12px !important;
  color: var(--text-secondary) !important;
}
.av-footer .af-divider { color: var(--text-muted) !important; }
.av-footer-brand {
  text-align: center !important;
  font-size: 11px !important;
  color: var(--text-muted) !important;
  margin-top: 8px !important;
}

/* ===== Source badge styling ===== */
.av-header .av-source {
  display: inline-block !important;
  font-size: 11px !important;
  font-weight: 600 !important;
  padding: 2px 8px !important;
  border-radius: 3px !important;
  background: var(--bg-alt) !important;
  color: var(--accent) !important;
  border: 1px solid var(--border) !important;
}

#date-index-bar {
  display: flex !important;
  flex-direction: column !important;
  width: var(--datebar-width) !important;
  min-width: var(--datebar-width) !important;
  background: var(--bg) !important;
  border-right: 1px solid var(--border) !important;
  padding: 16px 0 !important;
  position: sticky !important;
  top: 0 !important;
  max-height: 100vh !important;
  overflow-y: auto !important;
}

#date-index-bar .dib-header {
  font-size: 11px !important;
  font-weight: 600 !important;
  color: var(--text-muted) !important;
  text-transform: uppercase !important;
  letter-spacing: 1px !important;
  padding: 0 14px 8px !important;
}

/* Year-month disclosure */
#date-index-bar .dib-ym {
  display: flex !important;
  align-items: center !important;
  gap: 4px !important;
  padding: 6px 14px 4px !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  color: var(--text) !important;
  cursor: pointer !important;
  user-select: none !important;
  transition: color 0.12s !important;
}
#date-index-bar .dib-ym:hover { color: var(--accent) !important; }

#date-index-bar .dib-arrow {
  font-size: 12px !important;
  color: var(--text-muted) !important;
  transition: transform 0.2s !important;
  display: inline-block !important;
}
#date-index-bar .dib-ym.collapsed .dib-arrow {
  transform: rotate(0deg) !important;
}
#date-index-bar .dib-ym:not(.collapsed) .dib-arrow {
  transform: rotate(90deg) !important;
}

#date-index-bar .dib-ym-text {
  font-size: 13px !important;
  font-weight: 500 !important;
  color: var(--text) !important;
}

/* Item container */
#date-index-bar .dib-items {
  padding: 0 !important;
}

/* Individual items */
#date-index-bar .dib-item {
  display: flex !important;
  align-items: flex-start !important;
  gap: 8px !important;
  padding: 10px 14px 10px 18px !important;
  font-size: 12px !important;
  line-height: 1.4 !important;
  color: var(--text-secondary) !important;
  text-decoration: none !important;
  border-left: 2px solid transparent !important;
  transition: all 0.12s !important;
  cursor: pointer !important;
  border-bottom: 1px solid var(--border) !important;
}

#date-index-bar .dib-item .dib-title {
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
  overflow: hidden !important;
  line-height: 1.4 !important;
  word-break: break-word !important;
}

#date-index-bar .dib-item .dib-day {
  font-size: 11px !important;
  color: var(--text-muted) !important;
  font-weight: 400 !important;
  flex-shrink: 0 !important;
}

#date-index-bar .dib-item:hover {
  color: var(--text) !important;
  background: var(--bg-alt) !important;
  border-left-color: var(--accent) !important;
}

#date-index-bar .dib-item.active {
  color: var(--accent) !important;
  font-weight: 600 !important;
  border-left-color: var(--accent) !important;
  background: rgba(37,99,235,0.04) !important;
}

/* ===== 5. Main Content ===== */
.l_body .l_main {
  order: 2 !important;
  max-width: 720px !important;
  padding: 24px 32px 40px !important;
  background: var(--bg) !important;
  min-height: 100vh !important;
}

/* Page header */
.content-title {
  font-size: 18px !important;
  font-weight: 700 !important;
  color: var(--text) !important;
  padding: 4px 0 16px !important;
  border-bottom: 1px solid var(--border) !important;
  margin-bottom: 16px !important;
}

/* Date group */
.date-group {
  margin-bottom: 12px !important;
}

.date-group-heading {
  font-size: 12px !important;
  font-weight: 600 !important;
  color: var(--text-muted) !important;
  padding: 8px 0 4px !important;
  letter-spacing: 0.5px !important;
}

/* Article cards (aiHOT format) */
.article-item {
  padding: 10px 0 !important;
  border-bottom: 1px solid var(--border) !important;
  transition: background 0.12s !important;
}
.article-item:hover {
  background: var(--bg-alt) !important;
  margin: 0 -8px !important;
  padding: 10px 8px !important;
  border-radius: 6px !important;
}

.article-item .ai-source {
  font-size: 11px !important;
  color: var(--text-muted) !important;
  font-weight: 450 !important;
  margin-bottom: 1px !important;
}

.article-item .ai-title {
  font-size: 15px !important;
  font-weight: 600 !important;
  line-height: 1.5 !important;
  margin: 2px 0 !important;
}
.article-item .ai-title a {
  color: var(--accent) !important;
  text-decoration: none !important;
  transition: color 0.15s !important;
}
.article-item .ai-title a:hover {
  color: var(--accent-hover) !important;
  text-decoration: underline !important;
}

.article-item .ai-source-line {
  font-size: 11px !important;
  color: var(--text-muted) !important;
  margin: 1px 0 4px !important;
}

.article-item .ai-body {
  font-size: 13px !important;
  color: var(--text-secondary) !important;
  line-height: 1.6 !important;
  margin: 4px 0 0 !important;
}

/* ===== 文章正文视图 ===== */
.article-view {
  padding: 4px 0 !important;
}

.back-link {
  display: inline-block !important;
  font-size: 13px !important;
  color: var(--accent) !important;
  text-decoration: none !important;
  padding: 2px 0 12px !important;
  cursor: pointer !important;
}
.back-link:hover { text-decoration: underline !important; }

.av-header {
  padding: 0 0 16px !important;
  border-bottom: 1px solid var(--border) !important;
  margin-bottom: 16px !important;
}

.av-source {
  font-size: 12px !important;
  color: var(--text-muted) !important;
  font-weight: 450 !important;
  margin-bottom: 4px !important;
}

.av-title {
  font-size: 22px !important;
  font-weight: 700 !important;
  color: var(--text) !important;
  margin: 0 !important;
  line-height: 1.4 !important;
}

.av-body {
  font-size: 15px !important;
  color: var(--text) !important;
  line-height: 1.8 !important;
}

.av-body h2 {
  font-size: 18px !important;
  font-weight: 700 !important;
  margin: 24px 0 12px !important;
  padding-bottom: 6px !important;
  border-bottom: 1px solid var(--border) !important;
  color: var(--text) !important;
}

.av-body h3 {
  font-size: 16px !important;
  font-weight: 600 !important;
  margin: 20px 0 8px !important;
  color: var(--text) !important;
}

.av-body p {
  margin: 8px 0 !important;
}

.av-body a {
  color: var(--accent) !important;
  text-decoration: none !important;
}
.av-body a:hover { text-decoration: underline !important; }

.av-body blockquote {
  margin: 12px 0 !important;
  padding: 8px 12px !important;
  border-left: 3px solid var(--accent) !important;
  background: var(--bg-alt) !important;
  font-size: 14px !important;
  color: var(--text-secondary) !important;
}

.av-body hr {
  border: none !important;
  border-top: 1px solid var(--border) !important;
  margin: 20px 0 !important;
}

.av-body ul, .av-body ol {
  padding-left: 20px !important;
  margin: 8px 0 !important;
}

.av-body li {
  margin: 4px 0 !important;
}

.av-body .headerlink { display: none !important; }

/* Hide 今日头条 and 推荐阅读 headings in article view */
.av-body h2:has(> a[title="今日头条"]),
.av-body h2:has(> a[title="推荐阅读"]) { display: none !important; }

/* ===== 6. Footer ===== */
.l_main .page-footer {
  margin-top: 32px !important;
  padding: 16px 0 24px !important;
  border: none !important;
  border-top: 1px solid var(--border) !important;
}
.l_main .page-footer .sitemap,
.l_main .page-footer hr { display: none !important; }
.l_main .page-footer .text p {
  margin: 0 !important;
  text-align: center !important;
  font-size: 12px !important;
  color: var(--text-muted) !important;
}

/* ===== 7. Infinite scroll ===== */
#infinite-loading {
  text-align: center !important;
  padding: 20px !important;
  color: var(--text-muted) !important;
  font-size: 13px !important;
  display: none !important;
}
.paginator-wrap { display: none !important; }

/* ===== 8. Mobile ===== */
@media screen and (max-width: 900px) {
  .l_body.has-datebar {
    grid-template-columns: var(--sidebar-width) 1fr !important;
  }
  #date-index-bar { display: none !important; }
}

/* Mobile (≤768px) - WeChat typical viewport */
@media screen and (max-width: 768px) {
  /* Single column - use block to avoid grid conflicts with Stellar */
  .l_body,
  .l_body.has-datebar {
    display: block !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
  }

  /* Sidebar: hidden by default, overlay when opened */
  .l_body .l_left {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    transform: translateX(-100%) !important;
    transition: transform 0.3s ease !important;
    z-index: 100 !important;
    width: 220px !important;
    min-width: unset !important;
    height: 100vh !important;
    display: flex !important;
  }
  .l_body[leftbar] .l_left {
    transform: translateX(0) !important;
  }

  /* Dark overlay when sidebar open */
  .l_body[leftbar]::after {
    content: '' !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background: rgba(0,0,0,0.4) !important;
    z-index: 99 !important;
  }

  /* Main content full width */
  .l_body .l_main {
    max-width: 100% !important;
    padding: 12px 14px 24px !important;
    overflow-x: hidden !important;
    display: block !important;
  }

  /* Article view compact */
  .article-view {
    padding: 0 !important;
  }

  /* Mobile top nav bar */
  .av-topnav {
    display: flex !important;
    gap: 4px !important;
    padding: 0 0 12px !important;
    border-bottom: 1px solid var(--border) !important;
    margin-bottom: 8px !important;
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
  .av-topnav a {
    display: inline-block !important;
    font-size: 12px !important;
    padding: 5px 10px !important;
    border-radius: 16px !important;
    background: var(--bg-alt) !important;
    color: var(--accent) !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    font-weight: 500 !important;
    border: 1px solid var(--border) !important;
  }
  .av-topnav a:hover {
    background: var(--accent) !important;
    color: #fff !important;
  }

  /* Header VOL metadata compact */
  .av-meta {
    flex-wrap: wrap !important;
    gap: 4px !important;
    font-size: 10px !important;
    padding: 12px 0 2px !important;
  }
  .av-date-cn {
    font-size: 12px !important;
  }
  .av-time {
    font-size: 10px !important;
    padding: 0 0 12px !important;
  }

  /* Article title smaller */
  .av-title {
    font-size: 17px !important;
  }

  /* Article body compact */
  .av-body {
    font-size: 14px !important;
    line-height: 1.7 !important;
  }
  .av-body h2 {
    font-size: 15px !important;
    margin: 16px 0 8px !important;
  }
  .av-body h3 {
    font-size: 14px !important;
    margin: 14px 0 6px !important;
  }
  .av-body p {
    margin: 6px 0 !important;
  }

  /* Section headers compact */
  .section-header {
    flex-wrap: wrap !important;
    gap: 4px !important;
    padding: 20px 0 6px !important;
    margin-bottom: 10px !important;
  }
  .section-header .section-num {
    font-size: 11px !important;
  }
  .section-header .section-title {
    font-size: 14px !important;
  }
  .section-header .section-en {
    font-size: 10px !important;
    margin-left: 0 !important;
    width: 100% !important;
  }

  /* Footer compact */
  .av-footer {
    margin-top: 20px !important;
    padding: 14px 0 !important;
  }
  .av-footer-inner {
    flex-wrap: wrap !important;
    gap: 8px !important;
    font-size: 11px !important;
  }
  .av-footer-brand {
    font-size: 10px !important;
  }

  /* Card list compact */
  .content-title {
    font-size: 14px !important;
    padding: 2px 0 8px !important;
    margin-bottom: 4px !important;
  }
  .article-item {
    padding: 5px 0 !important;
    margin: 0 !important;
    border-bottom: 1px solid var(--border) !important;
  }
  .article-item .ai-source {
    font-size: 10px !important;
    margin-bottom: 0 !important;
  }
  .article-item .ai-title {
    font-size: 14px !important;
    line-height: 1.4 !important;
    margin: 1px 0 !important;
  }
  .date-group {
    margin-bottom: 4px !important;
  }
  .date-group-heading {
    font-size: 11px !important;
    padding: 4px 0 2px !important;
  }

  /* Card breathing: add subtle card style */
  .article-item {
    background: var(--bg) !important;
    border-radius: 0 !important;
    box-shadow: none !important;
  }
  .article-item .ai-title a {
    font-size: 14px !important;
    font-weight: 500 !important;
  }

  /* Blockquote */
  .av-body blockquote {
    font-size: 13px !important;
    padding: 6px 10px !important;
  }

  /* Hide date index bar on mobile */
  #date-index-bar {
    display: none !important;
  }

  /* Floating quick-nav button */
  #quick-nav-btn {
    display: flex !important;
    position: fixed !important;
    bottom: 16px !important;
    right: 68px !important;
    z-index: 91 !important;
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    background: #2563eb !important;
    color: #fff !important;
    border: none !important;
    box-shadow: 0 4px 16px rgba(37,99,235,0.4) !important;
    cursor: pointer !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 18px !important;
  }
  #quick-nav-popup {
    display: none !important;
    position: fixed !important;
    bottom: 68px !important;
    right: 68px !important;
    z-index: 92 !important;
    background: #fff !important;
    border-radius: 12px !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15) !important;
    padding: 8px 0 !important;
    min-width: 130px !important;
  }
  #quick-nav-popup.show {
    display: block !important;
  }
  #quick-nav-popup a {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    padding: 10px 16px !important;
    font-size: 14px !important;
    color: var(--text) !important;
    text-decoration: none !important;
    transition: background 0.12s !important;
  }
  #quick-nav-popup a:hover {
    background: var(--bg-alt) !important;
  }
  #quick-nav-popup .qnp-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    z-index: -1 !important;
  }

  /* Hamburger button */
  #drawer-toggle-btn {
    display: flex !important;
    bottom: 16px !important;
    right: 16px !important;
    width: 40px !important;
    height: 40px !important;
  }
}

/* Hamburger button base styles */
#drawer-toggle-btn {
  position: fixed !important;
  bottom: 20px !important;
  right: 20px !important;
  z-index: 90 !important;
  width: 44px !important;
  height: 44px !important;
  border-radius: 50% !important;
  background: #0c0c14 !important;
  color: #fff !important;
  border: none !important;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3) !important;
  cursor: pointer !important;
  display: none !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 18px !important;
}