/* Fix horizontal scrollbar from Bootstrap row margins */
html, body {
  overflow-x: hidden;
}

/* ========== Site Navigation ========== */
.site-nav {
  padding: 1rem 0;
  border-bottom: 1px solid #dee2e6;
  margin-bottom: 2rem;
}

.nav-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-brand {
  font-size: 1.25rem;
  font-weight: 500;
  text-decoration: none;
  color: inherit;
}

.nav-brand:hover {
  color: var(--bs-link-color, #0d6efd);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.5rem;
}

.nav-links .nav-link {
  padding: 0.25rem 0.75rem;
  text-decoration: none;
  border-radius: 4px;
  transition: background-color 0.2s ease;
}

.nav-links .nav-link:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

/* ========== Main Content ========== */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}

.content-wrapper {
  max-width: 650px;
  margin: 0 auto;
}

/* ========== Landing Page ========== */
.landing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.landing-header .subtitle {
  display: inline-block;
  padding-bottom: 0.5rem;
}

.bio {
  text-align: left;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  list-style: none;
}

/* ========== Blog ========== */
.blog-list {
  margin-top: 1.5rem;
}

.blog-preview {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #dee2e6;
}

.blog-preview h2 {
  font-size: 1.25rem;
  margin-bottom: 0.25rem;
}

.blog-preview h2 a {
  text-decoration: none;
}

.blog-preview time {
  font-size: 0.875rem;
  color: #6c757d;
}

.blog-preview p {
  margin-top: 0.5rem;
  margin-bottom: 0;
}

/* Blog Post */
.blog-post .post-header {
  margin-bottom: 2rem;
}

.blog-post h1 {
  margin-bottom: 0.5rem;
}

.blog-post .post-date {
  font-size: 0.875rem;
  color: #6c757d;
}

.blog-post .post-content {
  line-height: 1.7;
}

.blog-post .post-content h2 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.blog-post .post-nav {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid #dee2e6;
}

/* ========== Projects ========== */
.projects-list .project {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid #dee2e6;
}

.projects-list .project h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.project-link {
  font-size: 0.875rem;
}

/* ========== Education ========== */
.education-item {
  margin-bottom: 2rem;
}

.publications {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid #dee2e6;
}

/* ========== Contact ========== */
.contact-methods {
  list-style: none;
  padding: 0;
  margin-top: 1.5rem;
}

.contact-methods li {
  margin-bottom: 0.75rem;
}

.contact-methods a {
  margin-left: 0.5rem;
}

/* ========== Code Blocks ========== */
.code-block {
  position: relative;
  background-color: #2d2d2d;
  border: 1px solid #444;
  border-radius: 6px;
  margin: 1.5rem 0;
  overflow: hidden;
}

.code-block .code-lang {
  display: block;
  padding: 0.4rem 1rem 0;
  font-size: 0.75rem;
  color: #888;
  font-family: monospace;
}

.code-block pre {
  margin: 0;
  padding: 0.75rem 1rem 1rem;
  overflow-x: auto;
}

.code-block code {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.875rem;
  line-height: 1.5;
  color: #e0e0e0;
  background: none;
}

/* Inline code */
code {
  background-color: #f0f0f0;
  color: #333;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.875em;
}

/* Code inside code blocks should not get inline styling */
.code-block code {
  background: none;
  padding: 0;
  border-radius: 0;
}

/* Dark mode - respects OS preference, no JavaScript */
@media (prefers-color-scheme: dark) {
  :root {
    --bs-body-bg: #1a1a1a;
    --bs-body-color: #e0e0e0;
    --bs-link-color: #6ea8fe;
    --bs-link-hover-color: #9ec5fe;
    --bs-border-color: #3a3a3a;
  }

  body {
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
  }

  /* Invert SVG icons for visibility on dark background */
  p a img[src$=".svg"] {
    filter: invert(0.85) hue-rotate(180deg);
  }

  /* Adjust border colors */
  .border-top, .border-bottom {
    border-color: var(--bs-border-color) !important;
  }

  /* Nav links */
  .nav-link {
    color: var(--bs-link-color);
  }
  .nav-link:hover {
    color: var(--bs-link-hover-color);
  }

  /* Site navigation dark mode */
  .site-nav {
    border-bottom-color: var(--bs-border-color);
  }

  .nav-links .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
  }

  /* Blog preview dark mode */
  .blog-preview {
    border-bottom-color: var(--bs-border-color);
  }

  .blog-preview time,
  .blog-post .post-date {
    color: #9a9a9a;
  }

  /* Project borders dark mode */
  .projects-list .project,
  .publications,
  .blog-post .post-nav {
    border-color: var(--bs-border-color);
  }

  /* Code dark mode */
  code {
    background-color: #2d2d2d;
    color: #e0e0e0;
  }

  .code-block {
    border-color: #555;
  }

  /* Dark scrollbar */
  ::-webkit-scrollbar {
    width: 8px;
  }
  ::-webkit-scrollbar-track {
    background: #1a1a1a;
  }
  ::-webkit-scrollbar-thumb {
    background: #3a3a3a;
    border-radius: 4px;
  }
  ::-webkit-scrollbar-thumb:hover {
    background: #4a4a4a;
  }
  /* Firefox */
  * {
    scrollbar-width: thin;
    scrollbar-color: #3a3a3a #1a1a1a;
  }
}