/* ============================================
   Buffett Research — 专业投研博客暗色主题
   Bloomberg/Reuters 风格金融终端美学
   ============================================ */

/* ===== Google Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ===== CSS Variables ===== */
:root {
  --color-bg: #0d1117;
  --color-bg-secondary: #161b22;
  --color-bg-card: #1c2128;
  --color-bg-elevated: #21262d;
  --color-border: #30363d;
  --color-border-hover: #484f58;
  --color-text: #e6edf3;
  --color-text-secondary: #c9d1d9;
  --color-text-muted: #8b949e;
  --color-accent: #c9a84c;
  --color-accent-hover: #e0c068;
  --color-accent-dim: rgba(201, 168, 76, 0.15);
  --color-positive: #3fb950;
  --color-negative: #f85149;
  --color-warning: #d29922;
  --color-info: #58a6ff;
  --color-code-bg: #0d1117;
  --font-sans: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.4), 0 0 1px rgba(201,168,76,0.3);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --nav-height: 60px;
}

/* ===== Smooth Scroll ===== */
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 1rem);
}

/* ===== Global Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans) !important;
  background-color: var(--color-bg) !important;
  color: var(--color-text) !important;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  min-height: 100vh;
}

/* ===== Reading Progress Bar ===== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  color: var(--color-accent);
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: var(--shadow-card);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* ===== Tachyons Dark Overrides ===== */
.bg-near-white, .bg-white, .bg-light-gray {
  background-color: var(--color-bg-card) !important;
}

.near-black, .dark-gray {
  color: var(--color-text) !important;
}

.mid-gray, .gray {
  color: var(--color-text-secondary) !important;
}

.moon-gray, .silver, .light-silver {
  color: var(--color-text-muted) !important;
}

.black {
  color: var(--color-text) !important;
}

.b--moon-gray, .b--light-gray {
  border-color: var(--color-border) !important;
}

.bg-black, .bg-dark-gray, .bg-black-60 {
  background-color: var(--color-bg-secondary) !important;
}

.link.black.dim {
  color: var(--color-text) !important;
}

.link.black.dim:hover {
  color: var(--color-accent) !important;
}

.white-90 {
  color: var(--color-text) !important;
}

.white-80 {
  color: var(--color-text-secondary) !important;
}

/* ===== Navigation ===== */
nav[role="navigation"] {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(22, 27, 34, 0.85) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0 1.5rem !important;
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

nav[role="navigation"] .flex-l {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

nav[role="navigation"] a.f3 {
  font-family: var(--font-sans) !important;
  font-weight: 700 !important;
  font-size: 1.25rem !important;
  color: var(--color-accent) !important;
  letter-spacing: -0.02em;
  text-decoration: none !important;
}

/* 导航标题不加icon */

nav[role="navigation"] ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0.25rem;
}

nav[role="navigation"] li {
  padding: 0 !important;
}

nav[role="navigation"] li a {
  color: var(--color-text-muted) !important;
  font-size: 0.875rem !important;
  font-weight: 500;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  text-decoration: none !important;
}

nav[role="navigation"] li a:hover {
  color: var(--color-accent) !important;
  background: var(--color-accent-dim);
}

/* ===== Page Header / Hero ===== */
header .bg-dark-gray,
header .bg-black {
  background: linear-gradient(135deg, var(--color-bg-secondary) 0%, var(--color-bg) 100%) !important;
  padding-bottom: 0 !important;
}

.tc-l.pv3.ph3,
.tc-l.pv4.pv6-l.ph3 {
  padding: 3rem 1.5rem 2rem !important;
  max-width: var(--max-width);
  margin: 0 auto;
}

.f2.f-subheadline-l {
  font-family: var(--font-sans) !important;
  font-size: 2.5rem !important;
  font-weight: 700 !important;
  color: var(--color-accent) !important;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.fw1.f5.f3-l.white-80 {
  color: var(--color-text-muted) !important;
  font-size: 1.1rem !important;
  font-weight: 400 !important;
  margin-top: 0.75rem !important;
}

/* ===== Hero for single pages ===== */
.pv6 {
  padding-top: 3rem !important;
  padding-bottom: 2rem !important;
}

.f2.f1-l.fw2.white-90 {
  font-family: var(--font-sans) !important;
  font-size: 2rem !important;
  font-weight: 700 !important;
  color: var(--color-text) !important;
}

/* ===== 强制内容区左对齐（覆盖Tachyons tc-l居中） ===== */
/* 只覆盖文章内容区，保留header标题居中 */
main .tc-l,
main .tl {
  text-align: left !important;
}

/* 所有文章内容区左对齐 */
.nested-copy-line-height,
.nested-copy-line-height ul,
.nested-copy-line-height ol,
.nested-copy-line-height table,
.nested-copy-line-height pre,
.nested-copy-line-height blockquote,
.nested-copy-line-height p,
.nested-copy-line-height h1,
.nested-copy-line-height h2,
.nested-copy-line-height h3,
.nested-copy-line-height h4 {
  text-align: left !important;
}

/* list页面内容区域也左对齐 */
.pa3.pa4-ns.nested-copy-line-height section {
  text-align: left !important;
}

/* ===== Home Page Content ===== */
.cf.ph3.ph5-l.pv3.pv4-l.f4 {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem !important;
  color: var(--color-text-secondary) !important;
  text-align: left !important;
}

.pa3.pa4-ns.w-100.w-70-ns.center {
  max-width: var(--max-width);
  padding: 0 1.5rem 3rem !important;
}

/* ===== Post Card / Summary ===== */
.w-100.mb4.relative.bg-white,
.w-100.mb4.relative {
  background: transparent !important;
}

.mb3.pa4.gray.overflow-hidden.bg-white,
.mb3.pa4.gray.overflow-hidden {
  background: var(--color-bg-card) !important;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem !important;
  transition: all var(--transition);
  color: var(--color-text-secondary) !important;
}

.mb3.pa4.gray.overflow-hidden.bg-white:hover,
.mb3.pa4.gray.overflow-hidden:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.mb3.pa4 .f3.near-black,
.mb3.pa4 h1.f3 {
  font-family: var(--font-sans) !important;
  font-size: 1.25rem !important;
  font-weight: 600 !important;
  color: var(--color-text) !important;
  margin-bottom: 0.75rem;
}

.mb3.pa4 h1.f3 a {
  color: var(--color-text) !important;
  text-decoration: none !important;
}

.mb3.pa4 h1.f3 a:hover {
  color: var(--color-accent) !important;
}

.mb3.pa4 .nested-links.f5 {
  color: var(--color-text-muted) !important;
  font-size: 0.9rem !important;
  line-height: 1.6;
}

.mb3.pa4 .f6.db {
  color: var(--color-accent) !important;
  font-weight: 600;
  font-size: 0.75rem !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

/* Read more button */
a.ba.b--moon-gray.bg-light-gray.br2 {
  background: var(--color-accent-dim) !important;
  border-color: rgba(201, 168, 76, 0.3) !important;
  color: var(--color-accent) !important;
  font-weight: 500;
  font-size: 0.8rem !important;
  padding: 0.35rem 1rem !important;
  border-radius: 20px !important;
  transition: all var(--transition);
}

a.ba.b--moon-gray.bg-light-gray.br2:hover {
  background: var(--color-accent) !important;
  color: var(--color-bg) !important;
  border-color: var(--color-accent) !important;
}

/* ===== List Page Grid ===== */
.flex-ns.mt5.flex-wrap.justify-around {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 2rem auto !important;
  padding: 0 1.5rem;
}

.flex-ns.mt5 > .w-100.w-30-l {
  width: 100% !important;
  margin-bottom: 0 !important;
}

/* ===== List page header ===== */
.pa3.pa4-ns.nested-copy-line-height {
  max-width: var(--max-width);
  margin: 0 auto;
}

.cf.ph3.ph5-l.pv3.pv4-l.f4.tc-l.center.measure-wide {
  max-width: var(--max-width) !important;
  padding: 2rem 1.5rem 1rem !important;
}

/* ===== Single Article ===== */
article.flex-l {
  max-width: var(--max-width) !important;
  padding: 0 1.5rem !important;
  margin-top: 2rem !important;
}

/* Section breadcrumb */
article.flex-l .instapaper_ignoref {
  color: var(--color-accent) !important;
  font-family: var(--font-sans) !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Article title */
article.flex-l h1.f1 {
  font-family: var(--font-sans) !important;
  font-size: 2rem !important;
  font-weight: 700 !important;
  color: var(--color-text) !important;
  text-transform: none !important;
  line-height: 1.3;
  margin-bottom: 0.5rem !important;
}

/* Article meta */
article.flex-l time,
article.flex-l .tracked {
  color: var(--color-text-muted) !important;
  font-size: 0.85rem !important;
  letter-spacing: 0 !important;
}

/* Article body */
.nested-copy-line-height.lh-copy {
  color: var(--color-text-secondary) !important;
}

.nested-copy-line-height.lh-copy.serif {
  font-family: var(--font-sans) !important;
}

/* ===== Article Content Typography ===== */
.nested-copy-line-height h1 {
  font-family: var(--font-sans) !important;
  text-transform: none !important;
  color: var(--color-accent);
  font-size: 1.75rem;
  font-weight: 700;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin: 2rem 0 1rem;
}

.nested-copy-line-height h2 {
  font-family: var(--font-sans) !important;
  text-transform: none !important;
  color: var(--color-text);
  font-size: 1.35rem;
  font-weight: 600;
  border-left: 3px solid var(--color-accent);
  padding-left: 0.75rem;
  margin: 2rem 0 0.75rem;
}

.nested-copy-line-height h3 {
  font-family: var(--font-sans) !important;
  text-transform: none !important;
  color: var(--color-info);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.5rem 0 0.5rem;
}

.nested-copy-line-height h4 {
  font-family: var(--font-sans) !important;
  text-transform: none !important;
  color: var(--color-text-muted);
  font-size: 1rem;
  font-weight: 600;
  margin: 1.25rem 0 0.5rem;
}

.nested-copy-line-height p {
  color: var(--color-text-secondary);
  margin-bottom: 1.2rem;
  line-height: 1.8;
}

/* ===== Links in Article ===== */
.nested-links a,
.nested-copy-line-height a {
  color: var(--color-accent) !important;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: all var(--transition);
}

.nested-links a:hover,
.nested-copy-line-height a:hover {
  color: var(--color-accent-hover) !important;
  border-bottom-color: var(--color-accent-hover);
}

/* ===== Lists ===== */
.nested-copy-line-height ul,
.nested-copy-line-height ol {
  padding-left: 1.5rem;
  margin-bottom: 1.2rem;
}

.nested-copy-line-height li {
  margin-bottom: 0.4rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.nested-copy-line-height li::marker {
  color: var(--color-accent);
}

/* ===== Blockquote ===== */
.nested-copy-line-height blockquote {
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg-secondary);
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.nested-copy-line-height blockquote p {
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: 0;
}

/* ===== Code ===== */
.nested-copy-line-height pre,
.nested-copy-line-height code {
  font-family: var(--font-mono) !important;
  font-size: 0.85em;
}

.nested-copy-line-height code {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  color: var(--color-accent-hover);
}

.nested-copy-line-height pre {
  background: var(--color-bg-card) !important;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  line-height: 1.65;
  font-size: 0.85rem;
}

.nested-copy-line-height pre code {
  background: none !important;
  border: none;
  padding: 0;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Code block syntax highlighting */
.highlight {
  background: var(--color-code-bg) !important;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
}

.highlight pre {
  margin: 0;
  border: 1px solid var(--color-border);
}

/* ===== Tables — 金融数据表格 ===== */
.nested-copy-line-height table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 1.5rem 0;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  text-align: left;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: table;
}

.nested-copy-line-height thead {
  background: linear-gradient(180deg, var(--color-bg-elevated) 0%, rgba(33,38,45,0.8) 100%);
}

.nested-copy-line-height thead th {
  padding: 0.65rem 0.85rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  white-space: nowrap;
  letter-spacing: 0.02em;
  text-transform: none;
  position: sticky;
  top: var(--nav-height);
  background: inherit;
}

/* 数字列右对齐 — 通过:nth-child选最后几列 */
.nested-copy-line-height thead th:nth-child(n+3),
.nested-copy-line-height tbody td:nth-child(n+3) {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* 第一列代码列 — 加粗等宽 */
.nested-copy-line-height tbody td:first-child {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-info);
  font-size: 0.85rem;
}

/* 第二列名称列 */
.nested-copy-line-height tbody td:nth-child(2) {
  color: var(--color-text);
  font-weight: 500;
}

.nested-copy-line-height tbody tr {
  border-bottom: 1px solid rgba(48, 54, 61, 0.6);
  transition: background var(--transition);
}

.nested-copy-line-height tbody tr:nth-child(odd) {
  background: var(--color-bg-card);
}

.nested-copy-line-height tbody tr:nth-child(even) {
  background: rgba(22, 27, 34, 0.5);
}

.nested-copy-line-height tbody tr:hover {
  background: rgba(201, 168, 76, 0.08);
}

.nested-copy-line-height tbody td {
  padding: 0.55rem 0.85rem;
  color: var(--color-text-secondary);
  border-bottom: 1px solid rgba(48, 54, 61, 0.4);
}

/* 最后一行无底边框 */
.nested-copy-line-height tbody tr:last-child td {
  border-bottom: none;
}

/* 表格容器 — 小屏横向滚动 */
.nested-copy-line-height table {
  overflow-x: auto;
}

/* ===== Images ===== */
.nested-copy-line-height img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  margin: 1rem 0;
}

/* ===== Horizontal Rule ===== */
.nested-copy-line-height hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2.5rem 0;
}

/* ===== Tags ===== */
.tag, a.tag,
article .nested-copy-line-height + div a {
  display: inline-block;
  background: var(--color-accent-dim);
  color: var(--color-accent) !important;
  border: 1px solid rgba(201, 168, 76, 0.3);
  border-radius: 20px;
  padding: 0.2em 0.75em;
  font-size: 0.78rem;
  font-weight: 500;
  margin: 0.2em;
  transition: all var(--transition);
  text-decoration: none !important;
}

.tag:hover, a.tag:hover {
  background: rgba(201, 168, 76, 0.25);
  border-color: var(--color-accent);
  color: var(--color-accent-hover) !important;
}

/* ===== Table of Contents ===== */
#TableOfContents {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  position: sticky;
  top: calc(var(--nav-height) + 1rem);
}

#TableOfContents::before {
  content: "目录";
  display: block;
  font-weight: 600;
  color: var(--color-accent);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

#TableOfContents a {
  color: var(--color-text-muted) !important;
  text-decoration: none;
  font-size: 0.85rem;
  transition: color var(--transition);
  border-bottom: none !important;
}

#TableOfContents a:hover {
  color: var(--color-accent) !important;
}

#TableOfContents ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

#TableOfContents ul ul {
  padding-left: 1rem;
  margin-top: 0.25rem;
}

#TableOfContents li {
  margin-bottom: 0.3rem;
  line-height: 1.4;
}

/* ===== Aside / Sidebar ===== */
aside.w-30-l {
  padding-top: 0 !important;
  margin-top: 2rem !important;
}

/* ===== Footer ===== */
footer, .site-footer {
  background: var(--color-bg-secondary) !important;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted) !important;
  padding: 2rem 1.5rem;
  margin-top: 4rem;
  font-size: 0.85rem;
}

footer a {
  color: var(--color-text-muted) !important;
  transition: color var(--transition);
}

footer a:hover {
  color: var(--color-accent) !important;
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 2rem 0;
}

.page-link, .pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 0.75rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted) !important;
  font-size: 0.85rem;
  transition: all var(--transition);
  text-decoration: none !important;
}

.page-link:hover, .pagination a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent) !important;
  background: var(--color-accent-dim);
}

/* ===== Selection ===== */
::selection {
  background: rgba(201, 168, 76, 0.3);
  color: var(--color-text);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) var(--color-bg);
}

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

.fade-in-up {
  animation: fadeInUp 0.5s ease-out forwards;
}

/* Staggered card animation */
.flex-ns.mt5 > div:nth-child(1) { animation-delay: 0s; }
.flex-ns.mt5 > div:nth-child(2) { animation-delay: 0.1s; }
.flex-ns.mt5 > div:nth-child(3) { animation-delay: 0.2s; }
.flex-ns.mt5 > div:nth-child(4) { animation-delay: 0.15s; }
.flex-ns.mt5 > div:nth-child(5) { animation-delay: 0.2s; }
.flex-ns.mt5 > div:nth-child(6) { animation-delay: 0.25s; }

.flex-ns.mt5 > div {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out forwards;
}

/* ===== Portfolio Specific ===== */
.nested-copy-line-height strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  :root {
    --nav-height: 50px;
  }

  nav[role="navigation"] {
    padding: 0 1rem !important;
  }

  nav[role="navigation"] ul {
    flex-wrap: wrap;
    gap: 0;
  }

  nav[role="navigation"] li a {
    font-size: 0.75rem !important;
    padding: 0.3rem 0.5rem;
  }

  nav[role="navigation"] a.f3 {
    font-size: 1rem !important;
  }

  nav[role="navigation"] a.f3::before {
    display: none;
  }

  .f2.f-subheadline-l {
    font-size: 1.6rem !important;
  }

  article.flex-l h1.f1 {
    font-size: 1.5rem !important;
  }

  .flex-ns.mt5.flex-wrap.justify-around {
    grid-template-columns: 1fr;
    padding: 0 1rem;
  }

  .mb3.pa4.gray.overflow-hidden {
    padding: 1.25rem !important;
  }

  .nested-copy-line-height h1 { font-size: 1.4rem; }
  .nested-copy-line-height h2 { font-size: 1.15rem; }
  .nested-copy-line-height h3 { font-size: 1rem; }

  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 38px;
    height: 38px;
  }

  .nested-copy-line-height pre {
    padding: 1rem;
    font-size: 0.8rem;
  }

  .nested-copy-line-height table {
    font-size: 0.8rem;
    display: block;
    overflow-x: auto;
  }
}

@media (max-width: 480px) {
  nav[role="navigation"] li a {
    font-size: 0.7rem !important;
    padding: 0.25rem 0.35rem;
  }

  .tc-l.pv3.ph3 {
    padding: 2rem 1rem 1.5rem !important;
  }
}

/* ===== Print ===== */
@media print {
  body {
    background: white !important;
    color: black !important;
  }

  nav[role="navigation"],
  .reading-progress,
  .back-to-top,
  footer {
    display: none !important;
  }

  .nested-copy-line-height a {
    color: black !important;
  }

  .nested-copy-line-height a::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: gray;
  }

  .nested-copy-line-height pre {
    border: 1px solid #ccc;
    background: #f5f5f5 !important;
  }
}

/* ===== Summary with image cards ===== */
.post-card-image {
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
}

/* ===== Section titles on list pages ===== */
.pa3.pa4-ns h1 {
  font-family: var(--font-sans) !important;
  text-transform: none !important;
}

/* ===== More section on homepage ===== */
.w-100 h1.f3 {
  font-family: var(--font-sans) !important;
  text-transform: none !important;
  color: var(--color-text-muted) !important;
  font-size: 1rem !important;
  font-weight: 600 !important;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.f5.fw4.mb4.dib a {
  color: var(--color-info) !important;
  text-decoration: none !important;
}

.f5.fw4.mb4.dib a:hover {
  color: var(--color-accent) !important;
}

/* ===== Focus styles ===== */
a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ===== Ananke summary-with-image override ===== */
.post-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
}

.post-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-hover);
}