/* Minimal CSS for Basu Jindal's personal site */
:root {
  --bg: #faf9f7;
  --text: #1a1a2e;
  --text-secondary: #64748b;
  --accent: #525252;
  --accent-hover: #374151;
  --accent-gradient: linear-gradient(135deg, #525252 0%, #404040 100%);
  --border: #e8e6e1;
  --code-bg: #f4f3f0;
  --card-bg: #ffffff;
  --shadow: rgba(0,0,0,0.06);
  --header-bg: rgba(250, 249, 247, 0.85);
}

[data-theme="dark"] {
  --bg: #161616;
  --text: #d4d4d8;
  --text-secondary: #a1a1aa;
  --accent: #a3a3a3;
  --accent-hover: #d4d4d4;
  --accent-gradient: linear-gradient(135deg, #a3a3a3 0%, #d4d4d4 100%);
  --border: #2e2e2e;
  --code-bg: #1e1e1e;
  --card-bg: #1c1c1c;
  --shadow: rgba(0,0,0,0.4);
  --header-bg: rgba(22, 22, 22, 0.85);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

.fade-in-delay-1 { animation-delay: 0.1s; opacity: 0; }
.fade-in-delay-2 { animation-delay: 0.2s; opacity: 0; }
.fade-in-delay-3 { animation-delay: 0.3s; opacity: 0; }

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Layout */
.container { max-width: 800px; margin: 0 auto; padding: 0 1.5rem; }

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  margin-left: -1.5rem;
  margin-right: -1.5rem;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
  border-radius: 0 0 12px 12px;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--text);
  transition: opacity 0.2s;
}

.logo:hover {
  opacity: 0.8;
}

.logo img {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  transition: transform 0.2s;
}

.logo:hover img {
  transform: scale(1.05);
}

nav { display: flex; gap: 1.5rem; align-items: center; }
nav a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: color 0.2s;
  position: relative;
  padding-bottom: 2px;
}
nav a:hover { color: var(--accent); text-decoration: none; }
nav a.active {
  color: var(--accent);
  font-weight: 500;
}
nav a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

/* Hamburger menu */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 28px;
  height: 28px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.theme-toggle {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text);
  font-size: 1.2rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background: var(--border);
  transform: rotate(15deg);
}

.theme-toggle:active {
  transform: scale(0.95);
}

/* Homepage profile */
.profile {
  text-align: center;
  padding: 3rem 0;
}

.profile img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin-bottom: 1rem;
}

.profile h1 { font-size: 1.8rem; margin-bottom: 0.5rem; }
.profile p { color: var(--text-secondary); margin-bottom: 1.5rem; }

.profile-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* Hero section - combined home/about */
.hero {
  padding: 4rem 0;
}

.hero-content {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.hero-avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 8px 24px var(--shadow);
  border: 4px solid var(--border);
}

.hero-text {
  flex: 1;
}

.hero-text h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-title {
  font-size: 1.2rem;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 1rem;
}

.hero-bio {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.hero-links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn-secondary:hover {
  background: var(--accent);
  color: white;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.5rem;
  background: var(--accent);
  color: white;
  border-radius: 6px;
  font-weight: 500;
}

.btn:hover { background: var(--accent-hover); color: white; text-decoration: none; }

.social-links { display: flex; justify-content: center; gap: 1rem; }
.social-links a,
.social-icon {
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--code-bg);
  transition: all 0.2s ease;
}
.social-links a:hover,
.social-icon:hover {
  color: var(--accent);
  background: var(--border);
  transform: translateY(-2px);
}

/* Page titles */
.page-title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}
.page-subtitle { color: var(--text-secondary); margin-bottom: 2rem; }

/* Blog grid */
.blog-grid { display: flex; flex-direction: column; gap: 1rem; }

.blog-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 12px var(--shadow);
}

.blog-card:hover {
  border-color: var(--accent);
  box-shadow: 0 2px 4px rgba(0,0,0,0.04), 0 8px 24px var(--shadow);
  transform: translateY(-2px);
}

/* Blog card hover preview */
.blog-card-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  max-height: 1.5em;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.blog-card:hover .blog-card-content p {
  max-height: 4.5em;
}

.blog-card-content { flex: 1; }
.blog-card-content time {
  display: inline-block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.blog-card-content h2 {
  font-size: 1.2rem;
  margin-bottom: 0.4rem;
  color: var(--text);
  transition: color 0.2s;
}

.blog-card:hover h2 { color: var(--accent); }

.blog-card-arrow {
  font-size: 1.3rem;
  color: var(--text-secondary);
  transition: transform 0.2s, color 0.2s;
  margin-left: 1rem;
}

.blog-card:hover .blog-card-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

/* Legacy blog list (for compatibility) */
.blog-list { list-style: none; }

.blog-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}

.blog-item h2 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.blog-item h2 a { color: var(--text); }
.blog-item h2 a:hover { color: var(--accent); }
.blog-item time { font-size: 0.85rem; color: var(--text-secondary); }
.blog-item p { color: var(--text-secondary); margin-top: 0.5rem; }

/* Article */
article { padding-bottom: 3rem; }
article h1 {
  font-size: 2rem;
  margin-bottom: 0;
  letter-spacing: -0.02em;
}

/* Post header with title and date */
.post-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.post-date {
  color: var(--text-secondary);
  font-size: 0.9rem;
  white-space: nowrap;
}

article .meta { color: var(--text-secondary); margin-bottom: 2rem; font-size: 0.9rem; }
article h2 {
  font-size: 1.5rem;
  margin: 1.5rem 0 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  letter-spacing: -0.02em;
  scroll-margin-top: 5rem;
}
article h3 {
  font-size: 1.2rem;
  margin: 1.5rem 0 0.75rem;
  letter-spacing: -0.01em;
  scroll-margin-top: 5rem;
}
article h4, article h5, article h6 {
  scroll-margin-top: 5rem;
}
article p { margin-bottom: 1rem; line-height: 1.8; }
article p a,
article li a,
article blockquote a { color: #3b82f6; }
article p a:hover,
article li a:hover,
article blockquote a:hover { color: #2563eb; }
article ul, article ol { margin: 1rem 0 1rem 1.5rem; }
article li { margin-bottom: 0.5rem; line-height: 1.7; }
article img { max-width: 100%; border-radius: 8px; margin: 1rem 0; }
article blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  color: var(--text-secondary);
  margin: 1rem 0;
}

/* Code */
code {
  font-family: 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.9em;
  background: var(--code-bg);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}

pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1rem 0;
}

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

/* Copy button for code blocks */
pre {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 4px 10px;
  font-size: 12px;
  background: var(--border);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-secondary);
  opacity: 0;
  transition: opacity 0.2s ease, background 0.2s ease;
}

pre:hover .copy-btn {
  opacity: 1;
}

.copy-btn:hover {
  background: var(--accent);
  color: white;
}

.copy-btn.copied {
  background: #22c55e;
  color: white;
  opacity: 1;
}

/* Table of contents - floating sidebar */
.toc-sidebar {
  position: fixed;
  top: 6rem;
  right: 2rem;
  width: 260px;
  max-height: calc(100vh - 8rem);
  overflow-y: auto;
}

.toc {
  display: block;
  background: transparent;
  border: none;
  padding: 0;
  margin-bottom: 0;
}

.toc h3 {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.toc ul {
  display: block;
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc li {
  display: block;
  margin: 0;
  padding: 0.3rem 0;
  padding-left: 0.75rem;
  border-left: 2px solid var(--border);
}

.toc li:hover {
  border-left-color: var(--accent);
}

.toc a {
  color: var(--text-secondary);
  font-size: 0.8rem;
  line-height: 1.4;
  transition: color 0.2s;
  display: block;
}

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

/* Hide TOC on smaller screens where there's no room */
@media (max-width: 1200px) {
  .toc-sidebar {
    display: none;
  }
}

/* Photography gallery */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  padding: 1rem 0 3rem;
}

.gallery-item {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--card-bg);
  box-shadow: 0 2px 8px var(--shadow);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.gallery-item:hover img { transform: scale(1.05); }

.gallery-item figcaption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
}

.gallery-item h3 { font-size: 1rem; font-weight: 600; }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.lightbox.open { display: flex; }

.lightbox-content {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  max-width: 1200px;
  max-height: 90vh;
  padding: 1rem;
}

.lightbox-content img {
  max-height: 85vh;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  border-radius: 8px;
}

.lightbox-details { color: #e2e8f0; overflow-y: auto; }
.lightbox-details h3 { margin-bottom: 0.5rem; }
.lightbox-details p { color: #94a3b8; margin-bottom: 1rem; }
.lightbox-details .meta-list { list-style: none; }
.lightbox-details .meta-list li { margin: 0.5rem 0; color: #cbd5e1; }
.lightbox-details .meta-list span { color: #64748b; }

.lightbox .close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: none;
  border: none;
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
}

.lightbox .fullscreen-toggle {
  position: absolute;
  top: 1.2rem;
  right: 4.5rem;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  color: white;
  font-size: 1.5rem;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  transition: background 0.2s;
}

.lightbox .fullscreen-toggle:hover {
  background: rgba(255,255,255,0.2);
}

.lightbox.fullscreen .lightbox-content {
  grid-template-columns: 1fr;
  max-width: 100vw;
  max-height: 100vh;
  padding: 0;
}

.lightbox.fullscreen .lightbox-content img {
  max-height: 100vh;
  max-width: 100vw;
  border-radius: 0;
}

.lightbox.fullscreen .lightbox-details {
  display: none;
}

.lightbox .nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: white;
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  cursor: pointer;
}

.lightbox .prev { left: 1rem; }
.lightbox .next { right: 1rem; }

@media (max-width: 900px) {
  .lightbox-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .lightbox-content img { max-width: 95vw; height: auto; }
}

/* Footer */
footer {
  padding: 2rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 768px) {
  .blog-card {
    padding: 1rem 1.25rem;
  }

  .blog-card-content h2 {
    font-size: 1.1rem;
  }

  .blog-card-content p {
    font-size: 0.85rem;
  }
}

/* Job Search Form */
.job-search-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.job-search-controls {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding: 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.job-search-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.job-search-section > label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.job-search-date-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.date-presets {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.preset-btn {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.preset-btn:hover {
  background: var(--border);
  color: var(--text);
}

.preset-btn.active {
  background: var(--bg);
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 500;
}

.job-search-add-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.job-search-form input[type="date"],
.job-search-form input[type="text"],
.job-search-form select {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  height: 36px;
  box-sizing: border-box;
}

.job-search-form input:focus,
.job-search-form select:focus {
  outline: none;
  border-color: var(--accent);
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
}

.btn-icon:hover {
  background: var(--code-bg);
  color: var(--accent);
  border-color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: none;
}

.btn-ghost:hover {
  background: var(--code-bg);
  color: var(--text);
}

/* Job Search Actions */
.job-search-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.job-search-submit {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.job-search-submit:hover {
  background: var(--code-bg);
  color: var(--accent);
}

.job-search-actions .btn-secondary,
.job-search-actions .btn-ghost {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  font-size: 0.9rem;
}

.job-search-actions .btn-secondary {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.job-search-actions .btn-secondary:hover {
  background: var(--code-bg);
  color: var(--accent);
}

.job-search-actions .btn-secondary.copied {
  background: var(--code-bg);
  color: var(--accent);
  border-color: var(--accent);
}

.job-search-url {
  display: none;
  word-break: break-all;
  padding: 1rem;
  background: var(--code-bg);
  border-radius: 8px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: 'SF Mono', Consolas, monospace;
  margin-top: 0.5rem;
}

/* Job Search Fieldsets - Collapsible */
.job-fieldset {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card-bg);
  overflow: hidden;
}

.fieldset-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 1.25rem;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease;
}

.fieldset-header:hover {
  background: var(--code-bg);
}

.fieldset-header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.fieldset-header legend {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  padding: 0;
  margin: 0;
}

/* selection-count removed - no longer displayed */

.fieldset-chevron {
  display: flex;
  align-items: center;
  color: var(--text-secondary);
  transition: transform 0.2s ease;
}

.job-fieldset.collapsed .fieldset-chevron {
  transform: rotate(-90deg);
}

.fieldset-content {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0 1.25rem 1.25rem;
  align-items: center;
}

.job-fieldset.collapsed .fieldset-content {
  display: none;
}

/* Master checkbox */
.master-checkbox {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.65rem;
  background: var(--code-bg);
  border-radius: 6px;
  margin-right: 0.5rem;
}

.master-checkbox input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
  cursor: pointer;
}

.master-checkbox label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
}

/* Option tags */
.option-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.65rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: all 0.15s ease;
}

.option-tag:hover {
  border-color: var(--accent);
}

.option-tag:has(input:checked) {
  background: rgba(37, 99, 235, 0.1);
  border-color: var(--accent);
}

[data-theme="dark"] .option-tag:has(input:checked) {
  background: rgba(107, 179, 255, 0.15);
}

.option-tag input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
  cursor: pointer;
  margin: 0;
}

.option-tag label {
  font-size: 0.85rem;
  cursor: pointer;
  color: var(--text);
  white-space: nowrap;
}

/* Custom option styling */
.option-tag.custom-option {
  border-style: dashed;
}

.option-delete {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 4px;
  opacity: 0.6;
  transition: all 0.15s ease;
}

.option-delete:hover {
  opacity: 1;
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

/* Job Search Mobile */
@media (max-width: 600px) {
  .job-search-date-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .date-presets {
    width: 100%;
  }

  .preset-btn {
    flex: 1;
    text-align: center;
  }

  .job-search-add-row {
    flex-wrap: wrap;
  }

  .job-search-add-row select,
  .job-search-add-row input[type="text"] {
    flex: 1;
    min-width: 120px;
  }

  .job-search-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .job-search-actions .btn {
    justify-content: center;
  }

  .fieldset-content {
    padding: 0 1rem 1rem;
    gap: 0.4rem;
  }

  .option-tag {
    padding: 0.3rem 0.5rem;
    font-size: 0.8rem;
  }
}

@media (max-width: 600px) {
  .hamburger {
    display: flex;
  }

  header {
    flex-wrap: nowrap;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0;
  }

  nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 280px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    justify-content: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 0;
    transition: right 0.3s ease;
    box-shadow: -4px 0 20px var(--shadow);
    z-index: 100;
  }

  nav.open {
    right: 0;
  }

  nav a {
    font-size: 1.1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }

  nav a:last-child {
    border-bottom: none;
  }

  /* Mobile overlay */
  .nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 99;
  }

  .nav-overlay.open {
    opacity: 1;
    visibility: visible;
  }

  /* Larger touch targets on mobile */
  .btn {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
  }

  .social-links a,
  .social-icon {
    width: 48px;
    height: 48px;
  }

  .theme-toggle {
    width: 44px;
    height: 44px;
  }

  .profile { padding: 2rem 0; }
  .profile h1 { font-size: 1.5rem; }

  /* Hero responsive */
  .hero {
    padding: 2rem 0;
  }

  .hero-content {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .hero-avatar {
    width: 140px;
    height: 140px;
  }

  .hero-text h1 {
    font-size: 1.8rem;
  }

  .hero-title {
    font-size: 1.1rem;
  }

  .hero-bio {
    font-size: 1rem;
  }

  .hero-links {
    justify-content: center;
  }

  article h1 { font-size: 1.6rem; }
  article h2 { font-size: 1.3rem; }

  .post-header {
    flex-direction: column;
    gap: 0.5rem;
  }

  .page-title { font-size: 1.6rem; }

  .blog-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 1.25rem;
  }

  .blog-card-arrow {
    display: none;
  }

  .footer-links {
    gap: 1rem;
  }
}

/* Mobile TOC button */
.mobile-toc-btn {
  display: none;
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px var(--shadow);
  z-index: 90;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mobile-toc-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 16px var(--shadow);
}

.mobile-toc-btn svg {
  width: 24px;
  height: 24px;
}

/* Mobile TOC modal */
.mobile-toc-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 200;
  align-items: flex-end;
  justify-content: center;
}

.mobile-toc-modal.open {
  display: flex;
}

.mobile-toc-content {
  background: var(--bg);
  width: 100%;
  max-height: 60vh;
  border-radius: 16px 16px 0 0;
  padding: 1.5rem;
  overflow-y: auto;
}

.mobile-toc-content h3 {
  margin-bottom: 1rem;
  font-size: 1rem;
  color: var(--text);
}

.mobile-toc-content ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.mobile-toc-content li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.mobile-toc-content li:last-child {
  border-bottom: none;
}

.mobile-toc-content a {
  color: var(--text);
  font-size: 1rem;
}

@media (max-width: 1200px) {
  .mobile-toc-btn {
    display: flex;
  }
}

/* Go to top button */
.go-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 5rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  cursor: pointer;
  box-shadow: none;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.2s ease, color 0.2s ease;
}

.go-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.go-to-top:hover {
  background: var(--code-bg);
  color: var(--accent);
  border-color: var(--accent);
}

.go-to-top.visible:hover {
  transform: translateY(-2px);
}

.go-to-top svg {
  width: 24px;
  height: 24px;
}

/* When there's no TOC button, position go-to-top where TOC button would be */
@media (min-width: 1201px) {
  .go-to-top {
    right: 1.5rem;
  }
}

@media (max-width: 600px) {
  .go-to-top {
    width: 44px;
    height: 44px;
    bottom: 1.25rem;
    right: 4.5rem;
  }

  .go-to-top svg {
    width: 20px;
    height: 20px;
  }
}

/* Diff Checker styles */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.stats {
  display: flex;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.stats span {
  white-space: nowrap;
  font-size: 0.9rem;
}

.added-count { color: #22c55e; }
.removed-count { color: #ef4444; }
.unchanged-count { color: var(--text-secondary); }

[data-theme="dark"] .added-count { color: #7ee787; }
[data-theme="dark"] .removed-count { color: #ffa198; }

.toggle-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.toggle-container label {
  cursor: pointer;
  user-select: none;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.toggle {
  position: relative;
  width: 44px;
  height: 24px;
}

.toggle input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 1;
  margin: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border);
  transition: 0.3s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: var(--bg);
  transition: 0.3s;
  border-radius: 50%;
  box-shadow: 0 1px 3px var(--shadow);
}

.toggle input:checked + .toggle-slider {
  background-color: var(--accent);
}

.toggle input:checked + .toggle-slider:before {
  transform: translateX(20px);
}

/* Diff container layout - full width */
.diff-container {
  display: flex;
  gap: 1rem;
  height: calc(100vh - 280px);
  min-height: 400px;
  padding: 0 1rem 2rem;
}

.panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.panel-header {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-bottom: none;
  padding: 0.75rem 1rem;
  border-radius: 8px 8px 0 0;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

textarea {
  flex: 1;
  width: 100%;
  padding: 1rem;
  border: 1px solid var(--border);
  background: var(--code-bg);
  color: var(--text);
  font-family: 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  resize: none;
  border-radius: 0 0 8px 8px;
}

textarea::placeholder {
  color: var(--text-secondary);
}

textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.diff-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.diff-output {
  flex: 1;
  background: var(--code-bg);
  border: 1px solid var(--border);
  padding: 1rem;
  overflow: auto;
  font-family: 'SF Mono', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  border-radius: 0 0 8px 8px;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Diff line styles */
.line {
  padding: 2px 8px;
  margin: 1px 0;
  border-radius: 4px;
}

.line-added {
  background: rgba(34, 197, 94, 0.15);
  color: #16a34a;
}

.line-removed {
  background: rgba(239, 68, 68, 0.15);
  color: #dc2626;
}

.line-modified {
  background: rgba(59, 130, 246, 0.15);
  color: var(--text);
}

.line-unchanged {
  color: var(--text-secondary);
}

/* Dark mode diff colors */
[data-theme="dark"] .line-added {
  background: rgba(46, 160, 67, 0.25);
  color: #7ee787;
}

[data-theme="dark"] .line-removed {
  background: rgba(248, 81, 73, 0.25);
  color: #ffa198;
}

[data-theme="dark"] .line-modified {
  background: rgba(136, 132, 216, 0.2);
  color: #c9d1d9;
}

/* Character-level diff highlighting */
.char-added {
  background: rgba(34, 197, 94, 0.4);
  color: #166534;
  border-radius: 2px;
  padding: 0 2px;
}

.char-removed {
  background: rgba(239, 68, 68, 0.4);
  color: #991b1b;
  border-radius: 2px;
  padding: 0 2px;
  text-decoration: line-through;
}

.char-unchanged {
  color: var(--text-secondary);
}

[data-theme="dark"] .char-added {
  background: rgba(46, 160, 67, 0.5);
  color: #fff;
}

[data-theme="dark"] .char-removed {
  background: rgba(248, 81, 73, 0.5);
  color: #fff;
}

/* Diff responsive */
@media (max-width: 900px) {
  .diff-container {
    flex-direction: column;
    height: auto;
    padding: 0 1rem 2rem;
  }

  .panel, .diff-panel {
    min-height: 250px;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .stats, .toggle-container {
    justify-content: center;
  }
}