/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Theme Variables */
:root {
  --color-text: #333;
  --color-text-light: #595959;
  --color-text-muted: #5a6268;
  --color-background: #fff;
  --color-background-secondary: #f8f9fa;
  --color-background-tertiary: #f1f3f5;
  --color-border: #e9ecef;
  --color-link: #0066cc;
  --color-code-bg: #f8f9fa;
  --color-highlight: #ffeb3b;
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-highlight-line: rgba(255, 235, 59, 0.2);
  --color-diff-add-bg: rgba(46, 160, 67, 0.15);
  --color-diff-remove-bg: rgba(248, 81, 73, 0.15);
}

[data-theme="dark"] {
  --color-text: #e9ecef;
  --color-text-light: #c9ced3;
  --color-text-muted: #b8bfc6;
  --color-background: #1a1a1a;
  --color-background-secondary: #2d2d2d;
  --color-background-tertiary: #3a3a3a;
  --color-border: #404040;
  --color-link: #66a3ff;
  --color-code-bg: #2d2d2d;
  --color-highlight: #ffd700;
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-highlight-line: rgba(255, 215, 0, 0.15);
  --color-diff-add-bg: rgba(46, 160, 67, 0.25);
  --color-diff-remove-bg: rgba(248, 81, 73, 0.25);
}

/* Breakpoints: tablet(768px), mobile(480px) */

body {
  font-family: Avenir, Montserrat, Corbel, "URW Gothic", source-sans-pro,
    sans-serif;
  font-weight: normal;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-background);
  transition: background-color 0.3s ease, color 0.3s ease;

  @media (max-width: 768px) {
    font-size: 16px;
  }
}

/* Layout */
header {
  background-color: var(--color-background-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;

  & nav {
    padding-inline: 1rem;
  }

  @media (max-width: 768px) {
    padding: 0.75rem 0;
  }
}

nav {
  max-width: 800px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;

  @media (max-width: 768px) {
    position: relative;
  }
}

.logo {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;

  @media (max-width: 480px) {
    font-size: 1rem;
  }
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;

  @media (max-width: 768px) {
    gap: 0.5rem;
  }
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;

  & a {
    color: var(--color-text-light);
    text-decoration: none;
    transition: color 0.2s;
    min-height: 44px;
    display: inline-flex;
    align-items: center;

    &:hover {
      color: var(--color-text);
    }
  }

  @media (max-width: 768px) {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-background-secondary);
    flex-direction: column;
    gap: 0;
    padding: 0;
    margin-top: 1rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px var(--color-shadow);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.3s ease;

    &.active {
      max-height: 400px;
      opacity: 1;
      padding: 0.5rem 0;
    }

    & li {
      width: 100%;
    }

    & a {
      display: block;
      padding: 0.75rem 1rem;
      color: var(--color-text);
      transition: background-color 0.2s;

      &:hover {
        background-color: var(--color-border);
        color: var(--color-link);
      }
    }
  }
}

main {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
  min-height: calc(100vh - 200px);

  & ul,
  & ol {
    margin-left: 0;
    margin-bottom: 0;

    & ul,
    & ol {
      margin-left: 1.5rem;
      margin-top: 0;
      margin-bottom: 0.5rem;
    }
  }

  @media (max-width: 768px) {
    margin: 1rem auto;
    padding: 0 1rem;

    & > ul,
    & > ol {
      margin-left: 0;
    }
  }
}

footer {
  background-color: var(--color-background-secondary);
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
  margin-top: 4rem;
  text-align: center;
  color: var(--color-text-light);

  @media (max-width: 768px) {
    padding: 1.5rem 0;
    margin-top: 3rem;
  }
}

/* Typography */
:is(h1, h2, h3, h4, h5, h6) {
  margin-block-end: 1rem;
  line-height: 1.3;
  scroll-margin-top: 5rem;
  position: relative;

  & .header-anchor {
    opacity: 0;
    transition: opacity 0.2s ease;
    position: absolute;
    left: -1rem;
    font-weight: 400;
    text-decoration: none;
    color: var(--color-text-light);

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

  &:hover .header-anchor {
    opacity: 1;
  }
}

h1 {
  font-size: 2.5rem;
  margin-block-start: 1rem;

  @media (max-width: 768px) {
    font-size: 1.75rem;
    margin-top: 0.5rem;
  }

  @media (max-width: 480px) {
    font-size: 1.5rem;
  }
}

h2 {
  font-size: 2rem;
  margin-block-start: 2rem;

  @media (max-width: 768px) {
    font-size: 1.5rem;
    margin-top: 1.5rem;
  }

  @media (max-width: 480px) {
    font-size: 1.25rem;
  }
}

h3 {
  font-size: 1.5rem;
  margin-block-start: 1.5rem;

  @media (max-width: 768px) {
    font-size: 1.25rem;
    margin-top: 1rem;
  }
}

p {
  margin-block-end: 0.5rem;
}

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

  &:hover {
    text-decoration: underline;
  }
}

/* Interactive elements */
button,
input,
select,
textarea {
  min-height: 44px;
}

blockquote {
  border-inline-start: 4px solid var(--color-border);
  padding-inline-start: 1rem;
  margin-block: 1.5rem;
  font-style: italic;
  color: var(--color-text-light);
}

/* Index page lists */
:is(.approach-list, .activity-list) {
  margin-inline-start: 1rem;
}

/* Post Styles */
.post-header {
  margin-block-end: 2rem;
  padding-block-end: 1rem;
  padding-inline: 1rem;
  border-block-end: 2px solid var(--color-border);
  position: relative;
  z-index: 1;

  & h1 {
    margin-block: 0 0.5rem;
  }
}

.post-meta {
  color: var(--color-text-light);
  font-size: 0.9rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-block-end: 0.5rem;

  @media (max-width: 768px) {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
}

.post-dates {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;

  & .created,
  & .updated {
    display: inline-block;
  }

  & .updated {
    color: var(--color-text-muted);
  }

  @media (max-width: 768px) {
    flex-direction: column;
    gap: 0.25rem;
  }
}

.post-content {
  line-height: 1.8;

  & ul,
  & ol {
    margin-left: 2rem;
    margin-bottom: 1rem;

    & ul,
    & ol {
      margin-left: 1.5rem;
      margin-top: 0;
      margin-bottom: 0.5rem;
    }
  }

  & p {
    margin-bottom: 0.5rem;
  }

  & img {
    max-width: 100%;
    height: auto;
    margin: 0;
  }

  & figure {
    margin: 1.5rem 0;
    text-align: center;

    & img {
      display: block;
      margin: 0 auto;
    }

    & figcaption {
      margin-top: 0.75rem;
      font-size: 0.9rem;
      color: var(--color-text-light);
      font-style: italic;
      text-align: center;
    }

    @media (max-width: 768px) {
      margin: 1rem 0;

      & figcaption {
        font-size: 0.85rem;
        margin-top: 0.5rem;
      }
    }
  }

  & table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    border: 1px solid var(--color-border);

    @media (max-width: 768px) {
      margin: 1rem 0;
      font-size: 0.9rem;
    }
  }

  & th,
  & td {
    padding: 0.75rem 1rem;
    text-align: left;
    border: 1px solid var(--color-border);
    min-width: 150px;
    white-space: normal;
    word-wrap: break-word;

    @media (max-width: 768px) {
      padding: 0.5rem 0.75rem;
      min-width: 120px;
    }
  }

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

  & tbody tr:hover {
    background-color: var(--color-code-bg);
  }

  & .table-container {
    overflow-x: auto;
    margin: 1.5rem 0;

    @media (max-width: 768px) {
      margin: 1rem -1rem;
    }
  }

  & .table-container table {
    margin: 0;
    min-width: 100%;
    width: max-content;
  }

  & code {
    background-color: var(--color-code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
    font-size: 0.9em;
  }

  & .code-block-container {
    position: relative;
    margin: 1.5rem 0;

    @media (max-width: 768px) {
      margin: 1rem 0;
    }
  }

  & .code-copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: opacity 0.2s, background-color 0.2s, border-color 0.2s;
    min-height: 32px;
    min-width: 32px;
    opacity: 0;
    z-index: 5;

    & svg {
      display: block;
    }

    &:hover {
      background-color: var(--color-background-tertiary);
      border-color: var(--color-text-light);
    }

    & .check-icon {
      color: #2da44e;
    }
  }

  & .code-block-container:hover .code-copy-btn {
    opacity: 1;
  }

  /* Shiki syntax highlighting */
  & .shiki-light,
  & .shiki-dark {
    display: none;
  }

  [data-theme="light"] & .shiki-light {
    display: block;
  }

  [data-theme="dark"] & .shiki-dark {
    display: block;
  }

  & .shiki {
    background-color: var(--color-code-bg);
    padding: 0;
    border-radius: 6px;
    overflow-x: auto;
    margin: 0;
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
    font-size: 0.9em;
    line-height: 0.75;

    @media (max-width: 768px) {
      padding: 0.75rem;
      font-size: 0.85rem;
      border-radius: 0;
    }
  }

  & .shiki code {
    background-color: transparent;
    padding: 0.5rem;
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    counter-reset: line;
    display: block;
    line-height: 0.75;
    max-height: 400px;
    overflow-y: auto;
  }

  & .shiki .line {
    display: block;
    line-height: 0.75;
  }

  & .shiki .line-number {
    display: inline-block;
    width: 1em;
    margin-right: 1em;
    text-align: right;
    color: var(--color-text-lighter);
    user-select: none;
    opacity: 0.6;
  }

  /* Code block title/filename */
  & .code-block-title {
    background-color: var(--color-background-tertiary);
    border: 1px solid var(--color-border);
    border-bottom: none;
    border-radius: 6px 6px 0 0;
    padding: 0.5rem 1rem;
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
    font-size: 0.85em;
    color: var(--color-text-light);

    @media (max-width: 768px) {
      border-radius: 0;
      margin: 0 -1rem;
      padding: 0.4rem 1rem;
    }
  }

  & .code-block-container.has-title .shiki code {
    border-top-left-radius: 0;
    border-top-right-radius: 0;
  }

  /* Line highlighting */
  & .shiki .line.highlighted {
    background-color: var(--color-highlight-line);
    margin: 0 -0.5rem;
    padding: 0 0.5rem;
    display: block;
  }

  /* Diff styling */
  & .shiki .line.diff-add {
    background-color: var(--color-diff-add-bg);
    margin: 0 -0.5rem;
    padding: 0 0.5rem;
    display: block;
  }

  & .shiki .line.diff-remove {
    background-color: var(--color-diff-remove-bg);
    margin: 0 -0.5rem;
    padding: 0 0.5rem;
    display: block;
  }

  & .code-block-container .shiki {
    @media (max-width: 768px) {
      margin: 0 -1rem;
    }
  }

  & pre {
    background-color: var(--color-code-bg);
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 0;

    & code {
      background-color: transparent;
      padding: 0;
    }

    @media (max-width: 768px) {
      padding: 0.75rem;
      font-size: 0.85rem;
      border-radius: 0;
    }
  }

  & .code-block-container pre {
    @media (max-width: 768px) {
      margin: 0 -1rem;
    }
  }

  /* Mermaid diagram styling */
  & .mermaid-container {
    position: relative;
    background-color: var(--color-background-secondary);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    margin: 1.5rem 0;
    overflow: hidden;

    @media (max-width: 768px) {
      margin: 1rem 0;
    }
  }

  & pre.mermaid {
    background-color: transparent;
    padding: 1rem;
    border-radius: 0;
    overflow: visible;
    max-height: none;
    display: block;
    margin: 0;

    & svg {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
    }

    @media (max-width: 768px) {
      padding: 0.5rem;
    }
  }

  /* External link icon */
  & a[href^="http"]::after,
  & a[href^="https://"]::after
  {
    content: "🌐";
    font-size: 0.85em;
    opacity: 0.6;
    margin-left: 0.1em;
  }

  /* Exclude header anchors from external link icon */
  & a.header-anchor::after {
    content: none;
  }
}

/* Post List */
.post-list {
  list-style: none;
}

.post-list-item {
  margin-block-end: 0.5rem;
  border-block-end: 1px solid var(--color-border);

  &:last-child {
    border-block-end: none;
  }

  & h2 {
    margin-block: 0 0.5rem;
    font-size: 1.5rem;

    & a {
      color: var(--color-text);
      text-decoration: none;
      display: inline-flex;
      align-items: center;

      &:hover {
        color: var(--color-link);
      }
    }

    @media (max-width: 768px) {
      font-size: 1.35rem;
    }

    @media (max-width: 480px) {
      font-size: 1.2rem;
    }
  }

  @media (max-width: 768px) {
    margin-bottom: 0.5rem;
  }

  @media (max-width: 480px) {
    margin-bottom: 0.5rem;
  }
}

/* Post Navigation */
.post-navigation {
  margin-block-start: 3rem;
  padding-block-start: 2rem;
  border-block-start: 1px solid var(--color-border);

  & .nav-links {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;

    & a {
      padding: 1rem;
      background-color: var(--color-background-secondary);
      border-radius: 6px;
      text-decoration: none;
      color: var(--color-text);
      transition: background-color 0.2s;
      max-width: 100%;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;

      &:hover {
        background-color: var(--color-border);
      }

      &.prev {
        text-align: left;
      }

      &.next {
        text-align: right;
        margin-left: auto;
      }
    }

    @media (max-width: 768px) {
      position: static;
      flex-direction: column;
      max-height: none;
      opacity: 1;
      padding: 0;
      margin: 0;
      box-shadow: none;
      background-color: transparent;

      & a {
        padding: 1rem;
        background-color: var(--color-background-secondary);

        &.next {
          margin-left: unset;
        }
      }
    }
  }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  position: relative;

  & span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s ease;
    display: block;
  }

  &.active span {
    &:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    &:nth-child(2) {
      opacity: 0;
    }

    &:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }
  }

  @media (max-width: 768px) {
    display: flex;
  }
}

/* Toggle Buttons Container */
.toggle-buttons {
  display: flex;
  align-items: center;
  gap: 0;
}

/* Theme Toggle Button */
.theme-toggle,
.language-toggle {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  background-color: transparent;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: opacity 0.2s;
  min-height: 44px;
  width: 44px;
  font-family: inherit;

  &:hover {
    opacity: 0.7;
  }
}

.language-toggle .language-label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.theme-icon {
  display: none;
}

/* Backlinks Section */
.post-backlinks {
  margin-block-start: 2rem;
  padding: 1.5rem;
  border-block-start: 2px solid var(--color-border);
  background-color: var(--color-background-secondary);
  border-radius: 6px;
}

.post-backlinks h2 {
  font-size: 1.25rem;
  margin-block-end: 1rem;
  color: var(--color-text);
}

.backlinks-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.backlinks-item {
  margin-block-end: 0.75rem;
}

.backlinks-item:last-child {
  margin-block-end: 0;
}

.backlink-link {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.75rem;
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
  gap: 1rem;
}

.backlink-link:hover {
  border-color: var(--color-link);
  box-shadow: 0 2px 4px var(--color-shadow);
  transform: translateY(-1px);
  text-decoration: none;
}

.backlink-title {
  font-weight: 500;
  color: var(--color-link);
  flex: 1;
}

.backlink-date {
  font-size: 0.85rem;
  color: var(--color-text-light);
  white-space: nowrap;
}

/* Responsive design */
@media (max-width: 768px) {
  .post-backlinks {
    padding: 1rem;
    margin-block-start: 1.5rem;
  }

  .backlink-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .backlink-date {
    font-size: 0.8rem;
  }
}

/* Statistics Page Styles */
.stats-updated {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

.stats-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 0 0 2rem 0;
}

.stat-card {
  background: var(--color-background-secondary);
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card h3 {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0 0 0.5rem 0;
  font-weight: 500;
}

.stat-value {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-text);
  margin: 0;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin: 0.25rem 0 0 0;
}

/* Featured Stat Card - Streak Emphasis */
.stat-card-featured {
  background: linear-gradient(135deg, var(--color-background-secondary) 0%, var(--color-background-tertiary) 100%);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.stat-card-icon {
  font-size: 2.5rem;
  margin-bottom: 0.25rem;
  line-height: 1;
}

.stat-value-large {
  font-size: 3.5rem;
  font-weight: bold;
}

.stat-secondary {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
  width: 100%;
  text-align: center;
}

.stat-secondary-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin: 0 0 0.25rem 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-secondary-value {
  font-size: 1rem;
  color: var(--color-text);
  margin: 0;
  font-weight: 500;
}

.stat-gap {
  font-size: 0.9rem;
  color: var(--color-text-light);
  font-weight: normal;
}

.stat-record {
  font-size: 1.1rem;
  color: #4ade80;
  font-weight: 600;
}

/* Chart Container */
.chart-container {
  margin: 2rem 0;
  background: var(--color-background-secondary);
  padding: 1.5rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

/* Bar Chart */
.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.bar-label {
  font-size: 0.85rem;
  color: var(--color-text-light);
  text-align: right;
  font-family: monospace;
}

.bar-container {
  height: 32px;
  background: var(--color-background-tertiary);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.bar {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 0.5rem;
  transition: width 0.3s ease;
  min-width: 40px;
}

.bar-positive {
  background: linear-gradient(90deg, #4ade80, #22c55e);
}

.bar-negative {
  background: linear-gradient(90deg, #f87171, #ef4444);
}

.bar-neutral {
  background: var(--color-background-tertiary);
}

.bar-value {
  font-size: 0.8rem;
  font-weight: 600;
  color: white;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Table Styles */
.table-container {
  overflow-x: auto;
  margin: 2rem 0;
}

.stats-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.stats-table th,
.stats-table td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.stats-table th {
  background: var(--color-background-secondary);
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
}

/* Specific column widths for better layout */
.stats-table th:nth-child(2),
.stats-table td:nth-child(2) {
  /* Created column */
  min-width: 100px;
}

.stats-table th:nth-child(3),
.stats-table td:nth-child(3) {
  /* Updated column */
  min-width: 100px;
}

.stats-table tbody tr:hover {
  background: var(--color-background-tertiary);
}

/* Stats cell for multi-line content */
.stats-cell {
  line-height: 1.4;
}

/* Value formatting */
.addition {
  color: #28a745;
}

.deletion {
  color: #dc3545;
}

.modified {
  color: #f0ad4e;
}

.positive {
  color: #28a745;
  font-weight: 600;
}

.negative {
  color: #dc3545;
  font-weight: 600;
}

.neutral {
  color: var(--color-text-light);
}

/* Responsive */
@media (max-width: 768px) {
  .stats-summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-value {
    font-size: 1.5rem;
  }

  /* Featured card responsive adjustments */
  .stat-card-featured {
    padding: 1.5rem;
  }

  .stat-card-icon {
    font-size: 2rem;
  }

  .stat-value-large {
    font-size: 2.5rem;
  }

  .stats-table {
    font-size: 0.8rem;
  }

  .stats-table th,
  .stats-table td {
    padding: 0.5rem;
  }
}

@media (max-width: 480px) {
  .stats-summary {
    grid-template-columns: 1fr;
  }

  .stat-card-featured {
    padding: 1.25rem;
  }

  .stat-value-large {
    font-size: 2rem;
  }
}

/* Pagination */
.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  padding: 1rem 0;
  border-top: 1px solid var(--color-border);
}

.pagination-info {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.pagination-controls {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.pagination-btn {
  padding: 0.5rem 1rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--color-bg-code);
  border-color: var(--color-link);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-select {
  padding: 0.5rem 2.25rem 0.5rem 0.75rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  font-size: 0.9rem;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23a5a5a5' d='M1 0l4 4 4-4 1 1-5 5-5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  background-size: 0.65rem;
}

.pagination-select::-ms-expand {
  display: none;
}

@media (max-width: 768px) {
  .pagination-container {
    flex-direction: column;
    gap: 1rem;
  }

  .pagination-info {
    order: 2;
  }

  .pagination-controls {
    order: 1;
  }
}

@media (max-width: 600px) {
  .pagination-container {
    align-items: stretch;
  }

  .pagination-info {
    width: 100%;
    text-align: center;
  }

  .pagination-controls {
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
    gap: 0.75rem;
  }

  .pagination-controls .pagination-btn {
    flex: 1 1 calc(50% - 0.75rem);
    min-width: 130px;
  }

  .pagination-controls span {
    flex-basis: 100%;
    text-align: center;
    padding: 0.25rem 0;
  }

  .pagination-select {
    width: 100%;
  }
}

/* Category Filter */
.category-filter {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

.category-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-text-light);
  cursor: pointer;
  font-size: 1rem;
  font-weight: normal;
  font-family: inherit;
  transition: color 0.2s;
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.category-btn:hover {
  color: var(--color-text);
}

.category-btn.active {
  color: var(--color-text);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.3em;
  text-decoration-thickness: 2px;
}

.category-btn:focus-visible {
  outline: 2px solid var(--color-link);
  outline-offset: 2px;
}

.no-results {
  text-align: center;
  color: var(--color-text-light);
  padding: 2rem 0;
}

/* Map Page Styles */
.map-description {
  color: var(--color-text-light);
  margin-bottom: 2rem;
}

#graph-container {
  width: 100%;
  background-color: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  margin-top: 1.5rem;
}

#graph-svg {
  display: block;
}

.graph-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.graph-btn {
  padding: 0.5rem 1rem;
  background-color: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-text);
  cursor: pointer;
  transition: background-color 0.2s;
}

.graph-btn:hover {
  background-color: var(--color-background-tertiary);
}

.graph-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.graph-legend {
  display: flex;
  gap: 1rem;
  margin-left: auto;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.node-preview {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--color-background);
}

.node-preview.tech {
  background-color: var(--color-link);
}

.node-preview.book {
  background-color: var(--color-highlight);
}

.node-preview.general {
  background-color: var(--color-text-light);
}

.graph-tooltip {
  position: absolute;
  padding: 0.5rem 0.75rem;
  background-color: var(--color-background-secondary);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  font-size: 0.875rem;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.graph-tooltip.visible {
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .graph-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .graph-legend {
    margin-left: 0;
    justify-content: center;
  }

  #graph-svg {
    height: 400px;
  }
}