/* ===================================
   CSS Variables / Design Tokens
   =================================== */

@font-face {
  font-family: 'Friz Quadrata';
  src: url('/assets/font/Friz%20Quadrata%20Regular/Friz%20Quadrata%20Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Friz Quadrata';
  src: url('/assets/font/Friz%20Quadrata%20Regular%20Italic/Friz%20Quadrata%20Regular%20Italic.ttf') format('truetype');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: 'Friz Quadrata';
  src: url('/assets/font/Friz%20Quadrata%20Bold/Friz%20Quadrata%20Bold.otf') format('opentype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Friz Quadrata';
  src: url('/assets/font/Friz%20Quadrata%20Bold%20Italic/Friz%20Quadrata%20Bold%20Italic.ttf') format('truetype');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}

:root {
  /* Defaults. These are overridden at build-time by config.yaml via `templates/partials/head.html`. */
  /* Typography */
  --font-body: 'Libre Baskerville', 'Noto Sans TC', ui-serif, Georgia, serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', monospace;
  --font-heading: 'Friz Quadrata', 'Marcellus', 'Noto Sans TC', 'Libre Baskerville', serif;
  --font-weight-heading: 400;
  --font-link: var(--font-body);

  --font-size-root: 16px;
  --font-size-prose: 1.125rem;
  --font-size-h1: 2.25rem;
  --font-size-h2: 1.75rem;
  --font-size-h3: 1.375rem;
  --font-size-h4: 1.125rem;
  --font-size-page-title: 2.5rem;
  --font-size-post-title: 1.5rem;
  --font-size-home-h2: 1.5rem;
  --font-size-section-h2: 1.75rem;
  --font-size-bibliography-h2: 1.5rem;

  /* Sizing */
  --content-width: 680px;
  --wide-width: 900px;
  --layout-width: 980px;
  --full-width: 100%;

  /* Spacing scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;

  /* Colors - Light (default) */
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #666666;
  --color-accent: #0066cc;
  --color-link: var(--color-accent);
  --color-link-hover: var(--color-accent);
  --color-border: #e0e0e0;
  --color-code-bg: #f5f5f5;
}

[data-theme="dark"] {
  --color-bg: #1a1a1a;
  --color-text: #e0e0e0;
  --color-text-muted: #999999;
  --color-accent: #66b3ff;
  --color-link: var(--color-accent);
  --color-link-hover: var(--color-accent);
  --color-border: #333333;
  --color-code-bg: #2d2d2d;
}

/* ===================================
   Reset & Base Styles
   =================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-root);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Links (site-wide defaults; specific components can override) */
a {
  color: var(--color-link);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.12em;
}

a:hover {
  color: var(--color-link-hover);
  text-decoration: none;
}

/* Headings */
h1, h2, h3, h4, h5, h6{
  font-family: var(--font-heading);
  font-weight: var(--font-weight-heading);
}

/* ===================================
   Layout
   =================================== */

.main {
  max-width: var(--layout-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  min-height: calc(100vh - 200px);
}

@media (max-width: 768px) {
  .main {
    padding: var(--space-md) var(--space-sm);
  }
}

/* ===================================
   Navigation
   =================================== */

.header {
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-xl);
  background-color: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav {
  max-width: var(--content-width);
  margin: 0 auto;
  padding-left: 0.1rem;
  padding-right: 0.1rem;
  padding-bottom: var(--space-md);
  padding-top: var(--space-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.nav-logo {
  font-family: 'Space Grotesk', var(--font-heading);
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}

/* Right-side group: links + theme toggle */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-md);
}

.nav-links a {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-link-hover);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.nav-toggle-icon {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-text);
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 1.5rem;
  height: 2px;
  background: var(--color-text);
}

.nav-toggle-icon::before { top: -6px; }
.nav-toggle-icon::after { top: 6px; }

/* Mobile */
@media (max-width: 450px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    padding: var(--space-md);
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-links {
    flex-direction: column;
    gap: var(--space-md);
  }

  .header {
    position: relative;
  }
}

.theme-toggle {
  background: none;
  border: none;
  border-radius: 50%;
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  transition: all 0.2s ease;
}

.theme-toggle:hover {
  background: var(--color-code-bg);
}

.theme-icon::before {
  content: "☀";
  color: var(--color-text);
}

[data-theme="dark"] .theme-icon::before {
  content: "☽";
  color: var(--color-text);
}



/* ===================================
   Footer
   =================================== */

.footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-xl);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.footer-inner {
  max-width: var(--layout-width);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
  text-align: center;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-sm) 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm) var(--space-lg);
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
}

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

/* ===================================
   Typography
   =================================== */

.prose {
  font-size: var(--font-size-prose);
  line-height: 1.7;
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
}

.prose h1 {
  font-size: var(--font-size-h1);
  margin-top: 3rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.prose h2 {
  font-size: var(--font-size-h2);
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.prose h3 {
  font-size: var(--font-size-h3);
  margin-top: 2rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.prose h4 {
  font-size: var(--font-size-h4);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

.prose p {
  margin-bottom: 1.5rem;
}

.author-highlight {
  font-weight: 700;
}

.prose a {
  color: var(--color-link);
  font-family: var(--font-link);
  text-decoration: underline;
  transition: opacity 0.2s ease;
}

.prose a:hover {
  opacity: 0.8;
  text-decoration: none;
}

.prose ul,
.prose ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.prose li {
  margin-bottom: 0.5rem;
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-code-bg);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  word-break: break-word;
}

.prose pre code {
  background: none;
  padding: 0;
}

.prose blockquote {
  border-left: 3px solid var(--color-border);
  padding-left: 1rem;
  margin: 1.5rem 0;
  color: var(--color-text-muted);
  font-style: italic;
}

.prose strong {
  font-weight: 600;
}

.prose em {
  font-style: italic;
}

.prose hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 2rem 0;
}

/* ===================================
   Page & Post Headers
   =================================== */

.page-header,
.section-header {
  margin-bottom: var(--space-xl);
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
}

.post-header {
  margin-bottom: var(--space-sm);
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  grid-area: header;
  text-align: left;
}

.page-header h1,
.post-header h1,
.section-header h1 {
  font-size: var(--font-size-page-title);
  margin: 0 0 var(--space-sm) 0;
  line-height: 1.2;
}

.post-header .post-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin: var(--space-sm) 0;
  line-height: 1.4;
}

.post-meta {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-top: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: center;
  justify-content: flex-start;
}

/* ===================================
   Post List
   =================================== */

.post-list {
  list-style: none;
  padding: 0;
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
}

.post-item {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.post-item:last-child {
  border-bottom: none;
}

.post-link {
  text-decoration: none;
  display: block;
}

.post-title {
  font-size: var(--font-size-post-title);
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  transition: color 0.2s ease;
}

.post-link:hover .post-title {
  color: var(--color-link-hover);
}

.post-item .post-subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: var(--space-sm);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--color-code-bg);
  border-radius: 1rem;
  font-size: 0.85rem;
  color: var(--color-text);
  text-decoration: none;
  transition: all 0.2s ease;
}

.tag:hover {
  background: var(--color-link-hover);
  color: var(--color-bg);
}

/* ===================================
   Post Layout (Sidebar TOC)
   =================================== */

.post-layout {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-areas:
    "header"
    "main";
  gap: var(--space-xl);
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
}

.post-layout--with-sidebar {
  grid-template-areas:
    "header"
    "sidebar"
    "main";
}

.post-main {
  grid-area: main;
  min-width: 0;
}

.post-sidebar {
  grid-area: sidebar;
}

.post-sidebar-inner {
  display: grid;
  gap: var(--space-md);
}

.post-sidebar .toc {
  margin-bottom: 0;
}

.back-to-top {
  max-width: var(--content-width);
  margin: var(--space-xl) auto 0 auto;
  font-size: 0.95rem;
}

.back-to-top-link {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  text-decoration: none;
}

.back-to-top-link:hover {
  color: var(--color-link-hover);
}

@media (min-width: 980px) {
  .post-layout--with-sidebar {
    grid-template-columns: 240px minmax(0, var(--content-width));
    grid-template-areas:
      "sidebar header"
      "sidebar main";
    gap: var(--space-lg);
    max-width: calc(240px + var(--content-width) + var(--space-lg));
    margin-left: auto;
    margin-right: auto;
  }

  .post-sidebar {
    align-self: start;
    position: sticky;
    top: 6rem;
  }
}

/* ===================================
   Home Page Hierarchy
   =================================== */

.home-section {
  max-width: var(--content-width);
  margin: var(--space-xl) auto 0 auto;
}

.home-section h2 {
  font-size: var(--font-size-home-h2);
  margin-bottom: var(--space-lg);
}

.home .post-title {
  font-size: 1.25rem;
}

.home-recent-list .post-item {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
}

.home-recent-link {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
  text-decoration: none;
}

.home-recent-date {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-variant-numeric: tabular-nums;
  flex: 0 0 auto;
}

.home-recent-title {
  margin: 0;
  text-align: right;
  flex: 1 1 auto;
}

/* ===================================
   Tag Pages
   =================================== */

.tag-cloud {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.tag-count {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: var(--space-sm);
}

/* ===================================
   Images and Figures
   =================================== */

.image-figure {
  margin: var(--space-lg) 0;
  width: var(--wide-width);
  max-width: calc(100vw - 2rem);
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

/* Full-bleed and narrow figure variants */
.image-figure-full {
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
}

.image-figure-narrow {
  width: 100%;
  max-width: var(--content-width);
  margin-left: 0;
}

.image-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

.image-figure figcaption {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
  font-style: italic;
}

@media (max-width: 900px) {
  .image-figure {
    width: 100%;
    left: 0;
    transform: none;
  }
}

/* ===================================
   Callouts / Admonitions
   =================================== */

.callout {
  margin: var(--space-lg) 0;
  padding: var(--space-md);
  border-radius: 4px;
  border-left: 4px solid;
  background: var(--color-code-bg);
}

.callout-note {
  background: rgba(0, 102, 204, 0.1);
  border-color: #0066cc;
}

.callout-warning {
  background: rgba(255, 153, 0, 0.1);
  border-color: #ff9900;
}

.callout-tip {
  background: rgba(0, 153, 51, 0.1);
  border-color: #009933;
}

.callout-important {
  background: rgba(204, 0, 102, 0.1);
  border-color: #cc0066;
}

.callout-caution {
  background: rgba(204, 0, 0, 0.1);
  border-color: #cc0000;
}

.callout-info {
  background: rgba(0, 153, 204, 0.1);
  border-color: #0099cc;
}

.callout-title {
  font-weight: 600;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.callout-icon::before {
  content: "ℹ";
  font-style: normal;
}

.callout-note .callout-icon::before {
  content: "📝";
}

.callout-warning .callout-icon::before {
  content: "⚠️";
}

.callout-tip .callout-icon::before {
  content: "💡";
}

.callout-important .callout-icon::before {
  content: "❗";
}

.callout-caution .callout-icon::before {
  content: "⚡";
}

.callout-content p:last-child {
  margin-bottom: 0;
}

/* ===================================
   Code Blocks
   =================================== */

.code-block {
  margin: var(--space-lg) 0;
  border-radius: 6px;
  overflow: hidden;
  background: var(--color-code-bg);
  border: 1px solid var(--color-border);
}

.code-header {
  padding: var(--space-sm) var(--space-md);
  background: rgba(0, 0, 0, 0.05);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

[data-theme="dark"] .code-header {
  background: rgba(255, 255, 255, 0.05);
}

.code-block pre {
  margin: 0;
  padding: var(--space-md);
  overflow-x: auto;
}

.code-block code {
  background: none;
  padding: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Pygments syntax highlighting */
.highlight {
  background: var(--color-code-bg);
}

.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #999; font-style: italic }
.highlight .k { color: #0066cc; font-weight: bold }
.highlight .o { color: #666 }
.highlight .cm { color: #999; font-style: italic }
.highlight .cp { color: #999; font-weight: bold }
.highlight .c1 { color: #999; font-style: italic }
.highlight .cs { color: #999; font-weight: bold; font-style: italic }
.highlight .gd { color: #A00000 }
.highlight .ge { font-style: italic }
.highlight .gr { color: #FF0000 }
.highlight .gh { color: #000080; font-weight: bold }
.highlight .gi { color: #00A000 }
.highlight .go { color: #888888 }
.highlight .gp { color: #000080; font-weight: bold }
.highlight .gs { font-weight: bold }
.highlight .gu { color: #800080; font-weight: bold }
.highlight .gt { color: #0044DD }
.highlight .kc { color: #0066cc; font-weight: bold }
.highlight .kd { color: #0066cc; font-weight: bold }
.highlight .kn { color: #0066cc; font-weight: bold }
.highlight .kp { color: #0066cc }
.highlight .kr { color: #0066cc; font-weight: bold }
.highlight .kt { color: #B00040 }
.highlight .m { color: #009999 }
.highlight .s { color: #BA2121 }
.highlight .na { color: #7D9029 }
.highlight .nb { color: #0066cc }
.highlight .nc { color: #0066cc; font-weight: bold }
.highlight .no { color: #880000 }
.highlight .nd { color: #AA22FF }
.highlight .ni { color: #999999; font-weight: bold }
.highlight .ne { color: #D2413A; font-weight: bold }
.highlight .nf { color: #0066cc }
.highlight .nl { color: #A0A000 }
.highlight .nn { color: #0066cc; font-weight: bold }
.highlight .nt { color: #0066cc; font-weight: bold }
.highlight .nv { color: #19177C }
.highlight .ow { color: #AA22FF; font-weight: bold }
.highlight .w { color: #bbbbbb }
.highlight .mb { color: #009999 }
.highlight .mf { color: #009999 }
.highlight .mh { color: #009999 }
.highlight .mi { color: #009999 }
.highlight .mo { color: #009999 }
.highlight .sb { color: #BA2121 }
.highlight .sc { color: #BA2121 }
.highlight .sd { color: #BA2121; font-style: italic }
.highlight .s2 { color: #BA2121 }
.highlight .se { color: #BB6622; font-weight: bold }
.highlight .sh { color: #BA2121 }
.highlight .si { color: #BB6688; font-weight: bold }
.highlight .sx { color: #0066cc }
.highlight .sr { color: #BB6688 }
.highlight .s1 { color: #BA2121 }
.highlight .ss { color: #19177C }
.highlight .bp { color: #0066cc }
.highlight .vc { color: #19177C }
.highlight .vg { color: #19177C }
.highlight .vi { color: #19177C }
.highlight .il { color: #009999 }

/* ===================================
   Citations
   =================================== */

.citation {
  color: var(--color-link);
  cursor: help;
  position: relative;
  text-decoration: none;
  font-weight: 500;
}

.citation:hover {
  text-decoration: underline;
}

.bibliography {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.bibliography h2 {
  font-size: var(--font-size-bibliography-h2);
  margin-bottom: var(--space-lg);
}

.references {
  font-size: 0.95rem;
  padding-left: 1.5rem;
}

.references li {
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

/* ===================================
   Table of Contents
   =================================== */

.toc {
  background: var(--color-code-bg);
  padding: var(--space-md);
  border-radius: 6px;
  margin-bottom: var(--space-xl);
  border: 1px solid var(--color-border);
}

.toc-title {
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.toc-list {
  margin: 0;
  padding-left: 1.25rem;
  font-size: 0.95rem;
}

.toc-list ol {
  margin-top: var(--space-xs);
  padding-left: 1rem;
}

.toc-list a {
  color: var(--color-text);
  text-decoration: none;
  line-height: 1.8;
}

.toc-list a:hover {
  color: var(--color-link-hover);
}

/* ===================================
   Broken Links
   =================================== */

.broken-link {
  color: var(--color-text-muted);
  background: rgba(255, 0, 0, 0.1);
  padding: 0.1em 0.2em;
  border-radius: 2px;
  font-style: italic;
}

/* ===================================
   Projects
   =================================== */

.projects-section {
  margin-top: var(--space-xl);
}

.projects-section h2 {
  font-size: var(--font-size-section-h2);
  margin-bottom: var(--space-lg);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.project-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.project-image img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.project-info {
  padding: var(--space-md);
}

.project-title {
  margin: 0 0 var(--space-sm);
  font-size: 1.125rem;
}

.project-description {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.project-link {
  font-size: 0.9rem;
  color: var(--color-link);
  text-decoration: none;
  padding: 0.25rem 0.75rem;
  border: 1px solid var(--color-link);
  border-radius: 4px;
  transition: all 0.2s ease;
}

.project-link:hover {
  background: var(--color-link-hover);
  color: var(--color-bg);
}

/* ===================================
   Publications
   =================================== */

.publications-section {
  margin-top: var(--space-xl);
}

.publications-section h2 {
  font-size: var(--font-size-section-h2);
  margin-bottom: var(--space-lg);
}

.pub-year-group {
  margin-bottom: var(--space-xl);
}

.pub-year {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.pub-list {
  list-style: none;
  padding: 0;
}

.publication {
  margin-bottom: var(--space-md);
  line-height: 1.6;
  padding-left: var(--space-md);
  border-left: 2px solid transparent;
  transition: border-color 0.2s ease;
}

.publication:hover {
  border-left-color: var(--color-link-hover);
}

.pub-title {
  font-weight: 500;
}

.pub-venue {
  color: var(--color-text-muted);
}

.pub-links {
  margin-left: var(--space-sm);
}

.pub-links a {
  font-size: 0.9rem;
  color: var(--color-link);
  text-decoration: none;
  margin-right: var(--space-sm);
}

.pub-links a:hover {
  text-decoration: underline;
}

/* ===================================
   Tables
   =================================== */

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-lg) 0;
  font-size: 0.95rem;
}

.prose th,
.prose td {
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  text-align: left;
}

.prose th {
  background: var(--color-code-bg);
  font-weight: 600;
}

.prose tr:hover {
  background: var(--color-code-bg);
}

/* ===================================
   Responsive Adjustments
   =================================== */

@media (max-width: 640px) {
  .prose h1 {
    font-size: 1.75rem;
  }

  .prose h2 {
    font-size: 1.5rem;
  }

  .prose h3 {
    font-size: 1.25rem;
  }

  .prose {
    font-size: 1rem;
  }

  .post-title {
    font-size: 1.25rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }
}