/* OS-inspired theme overrides. Loaded after the base layout styles so these
   rules can fully reskin existing components without changing structure. */

html[data-theme="nebula"] body,
html[data-theme="win95"] body,
html[data-theme="system7"] body,
html[data-theme="vintage"] body,
html[data-theme="pine"] body {
  margin: 0;
  padding: 0;
  max-width: none;
  border-radius: 0;
  box-shadow: none;
}

html[data-theme="nebula"] main.resume-page,
html[data-theme="win95"] main.resume-page,
html[data-theme="system7"] main.resume-page,
html[data-theme="vintage"] main.resume-page,
html[data-theme="pine"] main.resume-page {
  width: min(900px, calc(100vw - 2rem));
  margin: var(--space-xl) auto;
  padding: var(--space-xl);
  box-sizing: border-box;
}

html[data-theme="win95"] {
  --win95-desktop: #008080;
  --win95-panel: #d4d0c8;
  --win95-panel-top: #ece9e2;
  --win95-line-light: #ffffff;
  --win95-line-mid: #808080;
  --win95-line-dark: #404040;
  --win95-title-start: #0a246a;
  --win95-title-end: #6587d8;
}

html[data-theme="win95"] body {
  background:
    linear-gradient(0deg, rgba(255, 255, 255, 0.08), transparent 35%),
    linear-gradient(135deg, #0a8b8b 0%, var(--win95-desktop) 55%, #005f5f 100%);
  color: #111111;
  font-family: "MS Sans Serif", Tahoma, "Segoe UI", sans-serif;
  scrollbar-color: var(--win95-title-start) var(--win95-panel);
}

html[data-theme="win95"] main.main-content {
  gap: calc(var(--space-xl) - 0.2rem);
}

html[data-theme="win95"] :is(
  .site-header,
  .article,
  .articles .article,
  .project-content,
  .projects-section li,
  .content-card,
  .project-card .project-content,
  .articles-card li,
  .file-card,
  .share-section,
  .footer-card,
  .bio-container,
  .card,
  #category-modal,
  .error-container,
  main.resume-page,
  .resume-meta,
  .resume-list li,
  .project-metadata,
  .quick-stats li
) {
  background: var(--win95-panel);
  border-radius: 0;
  border: 2px solid var(--win95-line-mid);
  border-top-color: var(--win95-line-light);
  border-left-color: var(--win95-line-light);
  border-right-color: var(--win95-line-dark);
  border-bottom-color: var(--win95-line-dark);
  box-shadow:
    inset 1px 1px 0 var(--win95-panel-top),
    inset -1px -1px 0 var(--win95-line-mid),
    4px 4px 0 rgba(0, 0, 0, 0.18);
}

html[data-theme="win95"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
) {
  background: linear-gradient(90deg, var(--win95-title-start) 0%, var(--win95-title-end) 100%);
  color: #ffffff;
  border-radius: 0;
  border: 2px solid var(--win95-line-mid);
  border-top-color: var(--win95-line-light);
  border-left-color: var(--win95-line-light);
  border-right-color: var(--win95-line-dark);
  border-bottom-color: var(--win95-line-dark);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.28),
    inset -1px -1px 0 rgba(0, 0, 0, 0.35);
  padding: 0.55rem 0.9rem;
  margin-bottom: var(--space-md);
  text-align: left;
  text-shadow: 1px 1px 0 #00163d;
  letter-spacing: 0.02em;
}

html[data-theme="win95"] :is(.share-title, .section-heading, .chip-heading) {
  background: linear-gradient(90deg, var(--win95-title-start) 0%, var(--win95-title-end) 100%);
  color: #ffffff;
  border-radius: 0;
  border: 2px solid var(--win95-line-mid);
  border-top-color: var(--win95-line-light);
  border-left-color: var(--win95-line-light);
  border-right-color: var(--win95-line-dark);
  border-bottom-color: var(--win95-line-dark);
  box-shadow:
    inset 1px 1px 0 rgba(255, 255, 255, 0.24),
    inset -1px -1px 0 rgba(0, 0, 0, 0.32);
  padding: 0.4rem 0.8rem;
  text-shadow: 1px 1px 0 #00163d;
}

html[data-theme="win95"] :is(
  .site-title,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  .share-title,
  .section-heading,
  .chip-heading,
  main.resume-page .section h2
) {
  color: #ffffff;
  border-bottom: 0;
  text-shadow: 1px 1px 0 #00163d;
}

html[data-theme="win95"] .site-title {
  display: block;
}

html[data-theme="win95"] :is(
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  background: linear-gradient(180deg, #efefef 0%, var(--win95-panel) 100%);
  color: #111111;
  border-radius: 0;
  border: 2px solid var(--win95-line-mid);
  border-top-color: var(--win95-line-light);
  border-left-color: var(--win95-line-light);
  border-right-color: var(--win95-line-dark);
  border-bottom-color: var(--win95-line-dark);
  box-shadow: inset 1px 1px 0 #ffffff;
  text-transform: none;
  text-decoration: none;
  filter: none;
}

html[data-theme="win95"] :is(
  .nav-link:hover,
  .theme-dropdown__toggle:hover,
  .theme-dropdown__option:hover,
  .file-card__link:hover,
  .file-card__link--secondary:hover,
  .share-button:hover,
  .articles-card .btn-more:hover,
  .project-card .btn-more:hover,
  .error-container a.button:hover,
  .back-button:hover,
  .back-to-top:hover
) {
  color: var(--win95-title-start);
  transform: none;
}

html[data-theme="win95"] .theme-dropdown__option[data-active="true"] {
  background: #c9c5bd;
  border-top-color: var(--win95-line-dark);
  border-left-color: var(--win95-line-dark);
  border-right-color: var(--win95-line-light);
  border-bottom-color: var(--win95-line-light);
  box-shadow:
    inset 1px 1px 0 var(--win95-line-mid),
    inset -1px -1px 0 #ffffff;
}

html[data-theme="win95"] .theme-dropdown__menu {
  background: var(--win95-panel);
  border-radius: 0;
  border: 2px solid var(--win95-line-mid);
  border-top-color: var(--win95-line-light);
  border-left-color: var(--win95-line-light);
  border-right-color: var(--win95-line-dark);
  border-bottom-color: var(--win95-line-dark);
  box-shadow:
    inset 1px 1px 0 var(--win95-panel-top),
    inset -1px -1px 0 var(--win95-line-mid),
    6px 6px 0 rgba(0, 0, 0, 0.2);
}

html[data-theme="win95"] .theme-dropdown__state,
html[data-theme="win95"] .theme-dropdown__swatch {
  border-radius: 0;
}

html[data-theme="win95"] .nav-link::after {
  content: none;
}

html[data-theme="win95"] :is(
  .articles .article .category,
  .categories .category,
  .project-category,
  .file-card__tag,
  .chip
) {
  background: #e2ddd4;
  border-radius: 0;
  border: 1px solid var(--win95-line-mid);
  box-shadow: inset 1px 1px 0 #ffffff;
  color: #111111;
}

html[data-theme="win95"] :is(.content pre, .project-main-content pre, .content table, .project-main-content table) {
  background: #ffffff;
  border-radius: 0;
  border: 2px solid var(--win95-line-mid);
  border-top-color: var(--win95-line-dark);
  border-left-color: var(--win95-line-dark);
  border-right-color: var(--win95-line-light);
  border-bottom-color: var(--win95-line-light);
  box-shadow:
    inset 1px 1px 0 var(--win95-line-mid),
    inset -1px -1px 0 #ffffff;
  filter: none;
}

html[data-theme="win95"] :is(.content blockquote, .project-main-content blockquote, #lightbox img, .chip-tooltip) {
  background: #ffffff;
  border-radius: 0;
  border: 2px solid var(--win95-line-mid);
  border-top-color: var(--win95-line-dark);
  border-left-color: var(--win95-line-dark);
  border-right-color: var(--win95-line-light);
  border-bottom-color: var(--win95-line-light);
  box-shadow:
    inset 1px 1px 0 var(--win95-line-mid),
    inset -1px -1px 0 #ffffff;
  filter: none;
}

html[data-theme="win95"] :is(.content a, .project-main-content a, .footer-link, .modal-article) {
  color: var(--win95-title-start);
  border-bottom-color: currentColor;
  text-decoration: underline;
  text-underline-offset: 2px;
}

html[data-theme="win95"] :is(.content a:hover, .project-main-content a:hover, .footer-link:hover, .modal-article:hover) {
  color: #c04b16;
}

html[data-theme="win95"] :is(.article-divider, .footer-divider, .content hr, .project-main-content hr, .project-content hr) {
  height: 4px;
  background: linear-gradient(90deg, #ffffff 0 30%, #808080 30% 65%, #404040 65% 100%);
  box-shadow: none;
  border-radius: 0;
}

html[data-theme="win95"] .article-divider::after {
  content: none;
}

html[data-theme="win95"] :is(.share-button img, .social-icon) {
  image-rendering: crisp-edges;
}

html[data-theme="system7"] {
  --system7-platinum: #d8dad4;
  --system7-paper: #f8f8f4;
  --system7-line: #111111;
  --system7-shadow: #a4a7a0;
  --system7-accent: #1c5eb6;
}

html[data-theme="system7"] body {
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.46), transparent 28%),
    repeating-linear-gradient(to bottom, #d1d3cd 0 2px, #bfc3bd 2px 4px);
  color: #111111;
  font-family: Geneva, "Helvetica Neue", Helvetica, Arial, sans-serif;
  scrollbar-color: var(--system7-accent) var(--system7-platinum);
}

html[data-theme="system7"] :is(
  .site-header,
  .article,
  .articles .article,
  .project-content,
  .projects-section li,
  .content-card,
  .project-card .project-content,
  .articles-card li,
  .file-card,
  .share-section,
  .footer-card,
  .bio-container,
  .card,
  #category-modal,
  .error-container,
  main.resume-page,
  .resume-meta,
  .resume-list li,
  .project-metadata,
  .quick-stats li
) {
  background: linear-gradient(180deg, #fbfbf8 0%, #e1e3dc 100%);
  border-radius: 14px;
  border: 2px solid var(--system7-line);
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 var(--system7-shadow),
    4px 4px 0 rgba(0, 0, 0, 0.15);
}

html[data-theme="system7"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(214, 217, 209, 0.94)),
    repeating-linear-gradient(90deg, rgba(16, 16, 16, 0.92) 0 2px, transparent 2px 10px);
  border: 2px solid var(--system7-line);
  border-radius: 12px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 var(--system7-shadow);
  color: #111111;
  padding: 0.5rem 0.9rem;
  margin-bottom: var(--space-md);
  text-align: center;
  text-shadow: 0 1px 0 #ffffff;
}

html[data-theme="system7"] :is(.share-title, .section-heading, .chip-heading) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(214, 217, 209, 0.94)),
    repeating-linear-gradient(90deg, rgba(16, 16, 16, 0.92) 0 2px, transparent 2px 8px);
  border: 2px solid var(--system7-line);
  border-radius: 999px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 var(--system7-shadow);
  color: #111111;
  padding: 0.35rem 0.9rem;
  text-transform: none;
}

html[data-theme="system7"] :is(
  .site-title,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  .share-title,
  .section-heading,
  .chip-heading,
  main.resume-page .section h2
) {
  color: #111111;
  border-bottom: 0;
}

html[data-theme="system7"] .site-title {
  display: block;
}

html[data-theme="system7"] :is(
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  background: linear-gradient(180deg, #ffffff 0%, #dbddd7 100%);
  color: #111111;
  border: 2px solid var(--system7-line);
  border-radius: 999px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 var(--system7-shadow),
    2px 2px 0 rgba(0, 0, 0, 0.12);
  text-transform: none;
  text-decoration: none;
  filter: none;
}

html[data-theme="system7"] :is(
  .nav-link:hover,
  .theme-dropdown__toggle:hover,
  .theme-dropdown__option:hover,
  .file-card__link:hover,
  .file-card__link--secondary:hover,
  .share-button:hover,
  .articles-card .btn-more:hover,
  .project-card .btn-more:hover,
  .error-container a.button:hover,
  .back-button:hover,
  .back-to-top:hover
) {
  color: var(--system7-accent);
  transform: none;
}

html[data-theme="system7"] .theme-dropdown__option[data-active="true"] {
  background: linear-gradient(180deg, #d6d9d2 0%, #f4f5f0 100%);
  box-shadow:
    inset 1px 1px 0 var(--system7-shadow),
    inset -1px -1px 0 #ffffff;
}

html[data-theme="system7"] .theme-dropdown__menu {
  background: linear-gradient(180deg, #f9f9f5 0%, #dddfd8 100%);
  border: 2px solid var(--system7-line);
  border-radius: 14px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 var(--system7-shadow),
    6px 6px 0 rgba(0, 0, 0, 0.12);
}

html[data-theme="system7"] .nav-link::after {
  content: none;
}

html[data-theme="system7"] :is(
  .articles .article .category,
  .categories .category,
  .project-category,
  .file-card__tag,
  .chip
) {
  background: #ffffff;
  color: #111111;
  border: 2px solid var(--system7-line);
  border-radius: 999px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 var(--system7-shadow);
}

html[data-theme="system7"] :is(.content pre, .project-main-content pre, .content table, .project-main-content table, .content blockquote, .project-main-content blockquote, #lightbox img, .chip-tooltip) {
  background: #ffffff;
  color: #111111;
  border: 2px solid var(--system7-line);
  border-radius: 12px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 var(--system7-shadow),
    3px 3px 0 rgba(0, 0, 0, 0.08);
  filter: none;
}

html[data-theme="system7"] :is(.content a, .project-main-content a, .footer-link, .modal-article) {
  color: var(--system7-accent);
  border-bottom-color: currentColor;
  text-decoration: underline;
  text-underline-offset: 2px;
}

html[data-theme="system7"] :is(.content a:hover, .project-main-content a:hover, .footer-link:hover, .modal-article:hover) {
  color: #a12255;
}

html[data-theme="system7"] :is(.article-divider, .footer-divider, .content hr, .project-main-content hr, .project-content hr) {
  height: 6px;
  background:
    linear-gradient(180deg, #111111 0 1px, transparent 1px 5px, #111111 5px 6px),
    repeating-linear-gradient(90deg, #ffffff 0 4px, #d2d5cf 4px 8px);
  box-shadow: none;
  border-radius: 999px;
}

html[data-theme="system7"] .article-divider::after {
  content: none;
}

html[data-theme="nebula"] {
  --gray-1: #2e394c;
  --gray-2: #111722;
  --gray-3: #1d2635;
  --gray-4: #33415a;
  --gray-5: #0b1018;
  --gray-6: #151c28;
  --text-primary: #eef5ff;
  --text-secondary: #d6deee;
  --text-muted: #93a2bb;
  --highlight-color: #8cc8ff;
  --highlight-color-muted: #a9b7ff;
  --accent-muted-contrast: #111722;
}

html[data-theme="nebula"] body {
  background:
    radial-gradient(circle at 14% 18%, rgba(91, 141, 255, 0.2), transparent 22%),
    radial-gradient(circle at 80% 10%, rgba(118, 102, 223, 0.18), transparent 20%),
    radial-gradient(circle at 50% 100%, rgba(69, 182, 255, 0.16), transparent 36%),
    linear-gradient(180deg, #273246 0%, #121823 52%, #070b11 100%);
  color: var(--text-primary);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  background-attachment: fixed;
  scrollbar-color: #6e8fd8 #101722;
}

html[data-theme="nebula"] :is(
  .site-header,
  .article,
  .articles .article,
  .project-content,
  .projects-section li,
  .content-card,
  .project-card .project-content,
  .articles-card li,
  .file-card,
  .share-section,
  .footer-card,
  .bio-container,
  .card,
  #category-modal,
  .error-container,
  main.resume-page,
  .resume-meta,
  .resume-list li,
  .project-metadata,
  .quick-stats li
) {
  background:
    linear-gradient(180deg, rgba(75, 92, 122, 0.92) 0%, rgba(26, 35, 50, 0.95) 52%, rgba(11, 16, 24, 0.98) 100%);
  border: 1px solid rgba(166, 198, 255, 0.18);
  border-radius: 22px;
  box-shadow:
    0 20px 36px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    inset 0 -1px 0 rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(82, 110, 158, 0.24);
}

html[data-theme="nebula"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
) {
  background:
    linear-gradient(180deg, rgba(108, 126, 155, 0.95) 0%, rgba(40, 53, 74, 0.96) 48%, rgba(11, 17, 25, 0.98) 100%);
  border: 1px solid rgba(166, 198, 255, 0.42);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.26),
    0 12px 22px rgba(0, 0, 0, 0.28);
  color: #f2f8ff;
  padding: 0.65rem 1rem;
  margin-bottom: var(--space-md);
  text-shadow: 0 1px 0 #05070b, 0 0 18px rgba(109, 170, 255, 0.35);
}

html[data-theme="nebula"] :is(.share-title, .section-heading, .chip-heading) {
  background:
    linear-gradient(180deg, rgba(95, 115, 143, 0.94) 0%, rgba(27, 37, 54, 0.95) 100%);
  border: 1px solid rgba(166, 198, 255, 0.3);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 10px 18px rgba(0, 0, 0, 0.2);
  color: #f2f8ff;
  padding: 0.4rem 0.95rem;
  text-shadow: 0 1px 0 #05070b, 0 0 12px rgba(109, 170, 255, 0.28);
}

html[data-theme="nebula"] .site-title {
  color: #f2f8ff;
  display: block;
}

html[data-theme="nebula"] :is(
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  background:
    linear-gradient(180deg, rgba(95, 112, 136, 0.94) 0%, rgba(26, 36, 51, 0.96) 52%, rgba(10, 15, 22, 0.98) 100%);
  color: #eaf4ff;
  border: 1px solid rgba(166, 198, 255, 0.24);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    0 12px 22px rgba(0, 0, 0, 0.24);
  text-transform: none;
  text-decoration: none;
  filter: none;
}

html[data-theme="nebula"] :is(
  .nav-link:hover,
  .theme-dropdown__toggle:hover,
  .theme-dropdown__option:hover,
  .file-card__link:hover,
  .file-card__link--secondary:hover,
  .share-button:hover,
  .articles-card .btn-more:hover,
  .project-card .btn-more:hover,
  .error-container a.button:hover,
  .back-button:hover,
  .back-to-top:hover
) {
  color: var(--highlight-color);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 0 0 1px rgba(140, 200, 255, 0.24),
    0 0 24px rgba(92, 152, 255, 0.18);
}

html[data-theme="nebula"] .theme-dropdown__menu {
  background:
    linear-gradient(180deg, rgba(51, 64, 85, 0.96) 0%, rgba(18, 24, 36, 0.98) 100%);
  border: 1px solid rgba(166, 198, 255, 0.24);
  border-radius: 22px;
  box-shadow:
    0 24px 38px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

html[data-theme="nebula"] .theme-dropdown__option[data-active="true"] {
  background:
    linear-gradient(180deg, rgba(88, 118, 170, 0.96) 0%, rgba(22, 39, 68, 0.98) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 0 0 1px rgba(140, 200, 255, 0.24),
    0 0 22px rgba(92, 152, 255, 0.16);
}

html[data-theme="nebula"] :is(
  .articles .article .category,
  .categories .category,
  .project-category,
  .file-card__tag,
  .chip
) {
  background:
    linear-gradient(180deg, rgba(83, 102, 130, 0.94) 0%, rgba(28, 39, 56, 0.96) 100%);
  color: #f2f8ff;
  border: 1px solid rgba(166, 198, 255, 0.24);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 8px 18px rgba(0, 0, 0, 0.18);
}

html[data-theme="nebula"] :is(.content pre, .project-main-content pre, .content table, .project-main-content table) {
  background:
    linear-gradient(180deg, rgba(9, 14, 20, 0.98), rgba(17, 25, 36, 0.96)),
    linear-gradient(90deg, rgba(140, 200, 255, 0.05) 0 1px, transparent 1px 100%);
  background-size: auto, 2.6rem 100%;
  border: 1px solid rgba(140, 200, 255, 0.18);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 18px 28px rgba(0, 0, 0, 0.28);
  filter: none;
}

html[data-theme="nebula"] :is(.content blockquote, .project-main-content blockquote, #lightbox img, .chip-tooltip) {
  background:
    linear-gradient(180deg, rgba(13, 18, 27, 0.98), rgba(24, 33, 46, 0.96));
  border: 1px solid rgba(140, 200, 255, 0.2);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 16px 24px rgba(0, 0, 0, 0.24);
  filter: none;
}

html[data-theme="nebula"] :is(.content a, .project-main-content a, .footer-link, .modal-article) {
  color: var(--highlight-color);
  border-bottom-color: rgba(140, 200, 255, 0.42);
}

html[data-theme="nebula"] :is(.content a:hover, .project-main-content a:hover, .footer-link:hover, .modal-article:hover) {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

html[data-theme="nebula"] .article-divider,
html[data-theme="nebula"] .footer-divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(140, 200, 255, 0.78), transparent);
  box-shadow: 0 0 16px rgba(91, 141, 255, 0.22);
}

html[data-theme="nebula"] .article-divider::after {
  content: "";
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  background: radial-gradient(circle, #ffffff 0%, #8cc8ff 55%, rgba(140, 200, 255, 0.1) 100%);
  box-shadow: 0 0 18px rgba(140, 200, 255, 0.45);
  top: -5px;
}

html[data-theme="nebula"] :is(.content hr, .project-main-content hr, .project-content hr) {
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(140, 200, 255, 0.74), transparent);
  box-shadow: 0 0 14px rgba(91, 141, 255, 0.2);
  border-radius: 999px;
}

html[data-theme="nebula"] :is(.share-button img, .social-icon) {
  filter: drop-shadow(0 0 10px rgba(140, 200, 255, 0.18));
}

@supports (backdrop-filter: blur(10px)) {
  html[data-theme="nebula"] :is(.site-header, .theme-dropdown__menu, #category-modal) {
    backdrop-filter: blur(10px);
  }
}

html[data-theme="vintage"] body {
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.42), transparent 26%),
    repeating-linear-gradient(to bottom, rgba(139, 90, 43, 0.05) 0 1px, transparent 1px 30px),
    linear-gradient(180deg, #f1e2c8 0%, #e5d3b2 100%);
  color: #3c2d21;
  font-family: Georgia, "Palatino Linotype", "Book Antiqua", serif;
  background-attachment: fixed;
  scrollbar-color: #8b5a2b #efe2cb;
  text-rendering: optimizeLegibility;
}

html[data-theme="vintage"] :is(
  .site-header,
  .article,
  .articles .article,
  .project-content,
  .projects-section li,
  .content-card,
  .project-card .project-content,
  .articles-card li,
  .file-card,
  .share-section,
  .footer-card,
  .bio-container,
  .card,
  #category-modal,
  .error-container,
  main.resume-page,
  .resume-meta,
  .resume-list li,
  .project-metadata,
  .quick-stats li
) {
  background: linear-gradient(180deg, rgba(255, 251, 244, 0.96), rgba(238, 226, 203, 0.95));
  border: 1px solid rgba(118, 84, 51, 0.2);
  border-radius: 20px;
  box-shadow:
    0 18px 28px rgba(92, 67, 40, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    inset 0 -1px 0 rgba(159, 124, 88, 0.12);
}

html[data-theme="vintage"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
) {
  background: linear-gradient(180deg, rgba(255, 250, 241, 0.98), rgba(221, 201, 170, 0.94));
  border-top: 3px double #8b5a2b;
  border-bottom: 3px double #8b5a2b;
  border-left: 1px solid rgba(118, 84, 51, 0.2);
  border-right: 1px solid rgba(118, 84, 51, 0.2);
  border-radius: 14px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.82);
  color: #5b3921;
  padding: 0.55rem 0.9rem;
  margin-bottom: var(--space-md);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html[data-theme="vintage"] :is(.share-title, .section-heading, .chip-heading) {
  background: linear-gradient(180deg, rgba(255, 250, 241, 0.98), rgba(221, 201, 170, 0.94));
  border-top: 2px double #8b5a2b;
  border-bottom: 2px double #8b5a2b;
  border-left: 1px solid rgba(118, 84, 51, 0.2);
  border-right: 1px solid rgba(118, 84, 51, 0.2);
  border-radius: 999px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.82);
  color: #5b3921;
  padding: 0.35rem 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

html[data-theme="vintage"] :is(
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  background: linear-gradient(180deg, rgba(255, 251, 242, 0.98), rgba(233, 218, 193, 0.96));
  color: #5b3921;
  border: 1px solid rgba(118, 84, 51, 0.24);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.78),
    0 8px 14px rgba(92, 67, 40, 0.12);
  text-transform: none;
  text-decoration: none;
  filter: none;
}

html[data-theme="vintage"] :is(
  .nav-link:hover,
  .theme-dropdown__toggle:hover,
  .theme-dropdown__option:hover,
  .file-card__link:hover,
  .file-card__link--secondary:hover,
  .share-button:hover,
  .articles-card .btn-more:hover,
  .project-card .btn-more:hover,
  .error-container a.button:hover,
  .back-button:hover,
  .back-to-top:hover
) {
  color: #8b5a2b;
  transform: none;
}

html[data-theme="vintage"] .theme-dropdown__menu {
  background: linear-gradient(180deg, rgba(253, 246, 235, 0.98), rgba(230, 214, 188, 0.98));
  border: 1px solid rgba(118, 84, 51, 0.24);
  border-radius: 20px;
  box-shadow:
    0 16px 26px rgba(92, 67, 40, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

html[data-theme="vintage"] .nav-link::after {
  content: none;
}

html[data-theme="vintage"] :is(
  .articles .article .category,
  .categories .category,
  .project-category,
  .file-card__tag,
  .chip
) {
  background: linear-gradient(180deg, #f7eddc 0%, #ddc8a3 100%);
  color: #5b3921;
  border: 1px solid rgba(118, 84, 51, 0.2);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 6px 12px rgba(92, 67, 40, 0.08);
}

html[data-theme="vintage"] :is(.content pre, .project-main-content pre, .content table, .project-main-content table) {
  background:
    repeating-linear-gradient(to bottom, rgba(139, 90, 43, 0.06) 0 1px, transparent 1px 1.9rem),
    linear-gradient(180deg, #fbf5e8 0%, #efe0c6 100%);
  border: 1px solid rgba(118, 84, 51, 0.22);
  border-radius: 16px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.7),
    0 14px 22px rgba(92, 67, 40, 0.1);
  filter: none;
}

html[data-theme="vintage"] :is(.content blockquote, .project-main-content blockquote, #lightbox img, .chip-tooltip) {
  background: linear-gradient(180deg, #fbf5e8 0%, #efe0c6 100%);
  border: 1px solid rgba(118, 84, 51, 0.22);
  border-left: 4px solid #8b5a2b;
  border-radius: 16px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.72),
    0 12px 18px rgba(92, 67, 40, 0.08);
  filter: none;
}

html[data-theme="vintage"] :is(.content a, .project-main-content a, .footer-link, .modal-article) {
  color: #7b4b23;
  border-bottom-color: rgba(123, 75, 35, 0.48);
}

html[data-theme="vintage"] :is(.content a:hover, .project-main-content a:hover, .footer-link:hover, .modal-article:hover) {
  color: #3c2d21;
  border-bottom-color: #3c2d21;
}

html[data-theme="vintage"] :is(.content, .project-main-content) > p:first-of-type::first-letter {
  float: left;
  font-size: 3.6rem;
  line-height: 0.82;
  padding: 0.1rem 0.45rem 0 0;
  color: #8b5a2b;
  font-family: Georgia, "Times New Roman", serif;
}

html[data-theme="vintage"] .article-divider,
html[data-theme="vintage"] .footer-divider {
  height: 2px;
  background:
    linear-gradient(90deg, transparent 0%, rgba(139, 90, 43, 0.48) 18%, rgba(139, 90, 43, 0.75) 50%, rgba(139, 90, 43, 0.48) 82%, transparent 100%);
  box-shadow: none;
}

html[data-theme="vintage"] .article-divider::after {
  content: none;
}

html[data-theme="vintage"] :is(.content hr, .project-main-content hr, .project-content hr) {
  height: 2px;
  background:
    linear-gradient(90deg, transparent 0%, rgba(139, 90, 43, 0.42) 18%, rgba(139, 90, 43, 0.72) 50%, rgba(139, 90, 43, 0.42) 82%, transparent 100%);
  box-shadow: none;
}

html[data-theme="vintage"] :is(.share-button img, .social-icon) {
  filter: sepia(0.4) saturate(0.75);
}

html[data-theme="pine"] body {
  background:
    radial-gradient(circle at 50% 0%, rgba(139, 207, 149, 0.14), transparent 22%),
    repeating-linear-gradient(to bottom, rgba(139, 207, 149, 0.05) 0 1px, transparent 1px 30px),
    linear-gradient(180deg, #122017 0%, #09110b 100%);
  color: #e4f0e6;
  font-family: "Inter", "Segoe UI", sans-serif;
  background-attachment: fixed;
  scrollbar-color: #8bcf95 #101914;
}

html[data-theme="pine"] :is(
  .site-header,
  .article,
  .articles .article,
  .project-content,
  .projects-section li,
  .content-card,
  .project-card .project-content,
  .articles-card li,
  .file-card,
  .share-section,
  .footer-card,
  .bio-container,
  .card,
  #category-modal,
  .error-container,
  main.resume-page,
  .resume-meta,
  .resume-list li,
  .project-metadata,
  .quick-stats li
) {
  background: linear-gradient(180deg, rgba(19, 31, 22, 0.96), rgba(9, 16, 11, 0.98));
  border: 1px solid rgba(139, 207, 149, 0.22);
  border-radius: 18px;
  box-shadow:
    0 20px 34px rgba(0, 0, 0, 0.42),
    inset 0 0 0 1px rgba(77, 124, 87, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

html[data-theme="pine"] :is(
  .site-title,
  .nav-link,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .share-title,
  .resume-title,
  .content-card h1,
  .section-heading,
  .chip-heading,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__tag,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
) {
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

html[data-theme="pine"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
) {
  background: linear-gradient(180deg, rgba(36, 57, 42, 0.98), rgba(12, 21, 15, 0.98));
  border: 1px solid rgba(139, 207, 149, 0.34);
  border-radius: 14px;
  box-shadow:
    inset 0 1px 0 rgba(223, 255, 229, 0.08),
    0 0 0 1px rgba(57, 95, 65, 0.18);
  color: #dff7e5;
  padding: 0.6rem 0.95rem;
  margin-bottom: var(--space-md);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html[data-theme="pine"] :is(.share-title, .section-heading, .chip-heading) {
  background: linear-gradient(180deg, rgba(30, 47, 35, 0.98), rgba(10, 17, 12, 0.98));
  border: 1px solid rgba(139, 207, 149, 0.3);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0 rgba(223, 255, 229, 0.06),
    0 0 0 1px rgba(57, 95, 65, 0.16);
  color: #dff7e5;
  padding: 0.35rem 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

html[data-theme="pine"] .site-title {
  display: block;
}

html[data-theme="pine"] :is(
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  background: linear-gradient(180deg, rgba(28, 45, 32, 0.98), rgba(10, 16, 11, 0.98));
  color: #dff7e5;
  border: 1px solid rgba(139, 207, 149, 0.24);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0 rgba(223, 255, 229, 0.06),
    0 12px 22px rgba(0, 0, 0, 0.28);
  text-transform: none;
  text-decoration: none;
  filter: none;
}

html[data-theme="pine"] :is(
  .nav-link:hover,
  .theme-dropdown__toggle:hover,
  .theme-dropdown__option:hover,
  .file-card__link:hover,
  .file-card__link--secondary:hover,
  .share-button:hover,
  .articles-card .btn-more:hover,
  .project-card .btn-more:hover,
  .error-container a.button:hover,
  .back-button:hover,
  .back-to-top:hover
) {
  color: var(--highlight-color);
  box-shadow:
    inset 0 1px 0 rgba(223, 255, 229, 0.08),
    0 0 0 1px rgba(139, 207, 149, 0.18),
    0 0 22px rgba(139, 207, 149, 0.1);
}

html[data-theme="pine"] .theme-dropdown__menu {
  background: linear-gradient(180deg, rgba(18, 30, 21, 0.98), rgba(8, 14, 10, 0.99));
  border: 1px solid rgba(139, 207, 149, 0.22);
  border-radius: 18px;
  box-shadow:
    0 20px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 0 rgba(223, 255, 229, 0.05);
}

html[data-theme="pine"] .theme-dropdown__option[data-active="true"] {
  background: linear-gradient(180deg, rgba(40, 70, 47, 0.98), rgba(10, 21, 13, 0.99));
  box-shadow:
    inset 0 1px 0 rgba(223, 255, 229, 0.08),
    0 0 0 1px rgba(139, 207, 149, 0.18);
}

html[data-theme="pine"] :is(
  .articles .article .category,
  .categories .category,
  .project-category,
  .file-card__tag,
  .chip
) {
  background: linear-gradient(180deg, rgba(28, 46, 33, 0.96), rgba(10, 16, 11, 0.98));
  color: #dff7e5;
  border: 1px solid rgba(139, 207, 149, 0.24);
  border-radius: 999px;
  box-shadow:
    inset 0 1px 0 rgba(223, 255, 229, 0.06),
    0 8px 18px rgba(0, 0, 0, 0.22);
}

html[data-theme="pine"] :is(.content pre, .project-main-content pre, .content table, .project-main-content table) {
  background:
    linear-gradient(180deg, rgba(8, 14, 10, 0.99), rgba(11, 21, 13, 0.98)),
    linear-gradient(90deg, rgba(139, 207, 149, 0.04) 0 1px, transparent 1px 100%);
  background-size: auto, 2.8rem 100%;
  border: 1px solid rgba(139, 207, 149, 0.24);
  border-radius: 16px;
  box-shadow:
    inset 0 1px 0 rgba(223, 255, 229, 0.04),
    0 18px 30px rgba(0, 0, 0, 0.32);
  filter: none;
}

html[data-theme="pine"] :is(.content blockquote, .project-main-content blockquote, #lightbox img, .chip-tooltip) {
  background: linear-gradient(180deg, rgba(10, 17, 12, 0.98), rgba(14, 25, 16, 0.98));
  border: 1px solid rgba(139, 207, 149, 0.22);
  border-left: 3px solid rgba(139, 207, 149, 0.72);
  border-radius: 16px;
  box-shadow:
    inset 0 1px 0 rgba(223, 255, 229, 0.04),
    0 14px 24px rgba(0, 0, 0, 0.26);
  filter: none;
}

html[data-theme="pine"] :is(.content a, .project-main-content a, .footer-link, .modal-article) {
  color: #a8ebb1;
  border-bottom-color: rgba(168, 235, 177, 0.42);
}

html[data-theme="pine"] :is(.content a:hover, .project-main-content a:hover, .footer-link:hover, .modal-article:hover) {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

html[data-theme="pine"] .article-divider,
html[data-theme="pine"] .footer-divider,
html[data-theme="pine"] :is(.content hr, .project-main-content hr, .project-content hr) {
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(139, 207, 149, 0.72), transparent);
  box-shadow: 0 0 14px rgba(139, 207, 149, 0.14);
  border-radius: 999px;
}

html[data-theme="pine"] .article-divider::after {
  content: "<>";
  top: -10px;
  color: rgba(223, 247, 229, 0.84);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

html[data-theme="pine"] :is(.share-button img, .social-icon) {
  filter: drop-shadow(0 0 8px rgba(139, 207, 149, 0.18));
}

/* Fidelity refinements for the historically inspired themes. These rules sit
   after the first-pass skins so they can push closer to the source material
   without rewriting the earlier structure. */

html[data-theme="win95"] {
  --win95-panel: #c0c0c0;
  --win95-panel-top: #dfdfdf;
  --win95-panel-dark: #808080;
  --win95-panel-black: #000000;
  --win95-desktop: #008080;
  --win95-title-start: #000080;
  --win95-title-end: #1084d0;
}

html[data-theme="win95"] body {
  background:
    linear-gradient(180deg, #009090 0%, var(--win95-desktop) 28%, #007070 100%);
  color: #000000;
  font-family: Tahoma, "MS Sans Serif", "Segoe UI", sans-serif;
  letter-spacing: 0;
}

html[data-theme="win95"] :is(
  .site-header,
  .article,
  .articles .article,
  .project-content,
  .projects-section li,
  .content-card,
  .project-card .project-content,
  .articles-card li,
  .file-card,
  .share-section,
  .footer-card,
  .bio-container,
  .card,
  #category-modal,
  .error-container,
  main.resume-page,
  .resume-meta,
  .resume-list li,
  .project-metadata,
  .quick-stats li
) {
  background: var(--win95-panel);
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 var(--win95-panel-dark),
    2px 2px 0 rgba(0, 0, 0, 0.26);
}

html[data-theme="win95"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
) {
  position: relative;
  overflow: hidden;
  padding-left: 0.9rem;
  font-family: Tahoma, "MS Sans Serif", sans-serif;
  font-weight: 700;
}

html[data-theme="win95"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
)::before {
  content: none;
}

html[data-theme="win95"] :is(
  .site-title,
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  font-family: Tahoma, "MS Sans Serif", sans-serif;
  font-size: 0.95rem;
  text-shadow: none;
}

html[data-theme="win95"] :is(
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  min-height: 2rem;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 rgba(0, 0, 0, 0.2);
}

html[data-theme="win95"] :is(
  .nav-link:active,
  .theme-dropdown__toggle:active,
  .theme-dropdown__option:active,
  .file-card__link:active,
  .file-card__link--secondary:active,
  .share-button:active,
  .articles-card .btn-more:active,
  .project-card .btn-more:active,
  .error-container a.button:active
) {
  border-top-color: var(--win95-panel-dark);
  border-left-color: var(--win95-panel-dark);
  border-right-color: #ffffff;
  border-bottom-color: #ffffff;
  box-shadow:
    inset 1px 1px 0 rgba(0, 0, 0, 0.3),
    inset -1px -1px 0 rgba(255, 255, 255, 0.72);
}

html[data-theme="win95"] .theme-dropdown__menu {
  padding: 0.35rem;
}

html[data-theme="win95"] .theme-dropdown__option {
  min-height: 3rem;
}

html[data-theme="win95"] .theme-dropdown__state,
html[data-theme="win95"] .theme-dropdown__swatch {
  border-radius: 0;
}

html[data-theme="win95"] .theme-dropdown__state {
  background: #c0c0c0;
  border: 1px solid var(--win95-panel-black);
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 var(--win95-panel-dark);
}

html[data-theme="win95"] .theme-dropdown__state::after {
  border-radius: 0;
  width: 0.35rem;
  height: 0.35rem;
}

html[data-theme="win95"] :is(.content pre, .project-main-content pre) code {
  font-family: "Courier New", "Lucida Console", monospace;
}

html[data-theme="win95"] :is(.content thead, .project-main-content thead) {
  background: #c0c0c0;
}

html[data-theme="win95"] :is(.content blockquote, .project-main-content blockquote) {
  border-left: 4px solid var(--win95-title-start);
}

html[data-theme="system7"] {
  --system7-paper: #f5f5ef;
  --system7-paper-dark: #d8d9d2;
  --system7-ink: #111111;
  --system7-shadow: #7d8178;
  --system7-accent: #1c5eb6;
}

html[data-theme="system7"] body {
  background:
    repeating-linear-gradient(to bottom, #f7f7f3 0 1px, #cacdc6 1px 2px, #eceee8 2px 5px);
  color: var(--system7-ink);
  font-family: Geneva, "Helvetica Neue", Helvetica, Arial, sans-serif;
  letter-spacing: 0.01em;
}

html[data-theme="system7"] :is(
  .site-header,
  .article,
  .articles .article,
  .project-content,
  .projects-section li,
  .content-card,
  .project-card .project-content,
  .articles-card li,
  .file-card,
  .share-section,
  .footer-card,
  .bio-container,
  .card,
  #category-modal,
  .error-container,
  main.resume-page,
  .resume-meta,
  .resume-list li,
  .project-metadata,
  .quick-stats li
) {
  background: linear-gradient(180deg, #fbfbf8 0%, #eceee7 100%);
  border: 2px solid var(--system7-ink);
  border-radius: 12px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 #b4b7b0,
    3px 3px 0 rgba(0, 0, 0, 0.18);
}

html[data-theme="system7"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
) {
  position: relative;
  overflow: hidden;
  padding-left: 2rem;
  padding-right: 2rem;
  background:
    repeating-linear-gradient(to bottom, rgba(0, 0, 0, 0.34) 0 1px, rgba(255, 255, 255, 0) 1px 5px),
    linear-gradient(180deg, #ffffff 0%, #f1f2ec 100%);
  border-radius: 10px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 #b4b7b0;
  font-family: Geneva, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 700;
  text-shadow:
    0 1px 0 rgba(255, 255, 255, 0.96),
    0 0 4px rgba(255, 255, 255, 0.92),
    1px 0 0 rgba(255, 255, 255, 0.84),
    -1px 0 0 rgba(255, 255, 255, 0.84);
}

html[data-theme="system7"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
)::before,
html[data-theme="system7"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
)::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 0.72rem;
  height: 0.72rem;
  transform: translateY(-50%);
  background: #ffffff;
  border: 2px solid var(--system7-ink);
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 #b4b7b0;
}

html[data-theme="system7"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
)::before {
  left: 0.55rem;
}

html[data-theme="system7"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
)::after {
  right: 0.55rem;
  background:
    linear-gradient(90deg, #ffffff 0 43%, #111111 43% 57%, #ffffff 57% 100%);
}

html[data-theme="system7"] :is(
  .site-title,
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  font-family: Geneva, "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 700;
}

html[data-theme="system7"] :is(
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  background: linear-gradient(180deg, #ffffff 0%, #e5e7df 100%);
  border: 2px solid var(--system7-ink);
  border-radius: 999px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 #b4b7b0,
    2px 2px 0 rgba(0, 0, 0, 0.12);
  color: var(--system7-ink);
}

html[data-theme="system7"] :is(
  .nav-link:hover,
  .theme-dropdown__toggle:hover,
  .theme-dropdown__option:hover,
  .file-card__link:hover,
  .file-card__link--secondary:hover,
  .share-button:hover,
  .articles-card .btn-more:hover,
  .project-card .btn-more:hover,
  .error-container a.button:hover,
  .back-button:hover,
  .back-to-top:hover
) {
  background: linear-gradient(180deg, #f9fbff 0%, #dbe4f3 100%);
  color: var(--system7-ink);
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 #9aa8bc,
    0 0 0 2px rgba(28, 94, 182, 0.12);
}

html[data-theme="system7"] .theme-dropdown__option[data-active="true"] {
  background: linear-gradient(180deg, #dde1d9 0%, #ffffff 100%);
  box-shadow:
    inset 1px 1px 0 #9ea39b,
    inset -1px -1px 0 #ffffff;
}

html[data-theme="system7"] .theme-dropdown__menu {
  padding: 0.45rem;
  background:
    repeating-linear-gradient(to bottom, rgba(0, 0, 0, 0.12) 0 1px, rgba(255, 255, 255, 0) 1px 6px),
    linear-gradient(180deg, #ffffff 0%, #e0e2db 100%);
  border: 2px solid var(--system7-ink);
  border-radius: 12px;
}

html[data-theme="system7"] .theme-dropdown__state,
html[data-theme="system7"] .theme-dropdown__swatch {
  border-radius: 2px;
}

html[data-theme="system7"] .theme-dropdown__state {
  background: #ffffff;
  border: 2px solid var(--system7-ink);
}

html[data-theme="system7"] .theme-dropdown__state::after {
  border-radius: 1px;
  width: 0.32rem;
  height: 0.32rem;
  background: var(--system7-ink);
}

html[data-theme="system7"] :is(
  .articles .article .category,
  .categories .category,
  .project-category,
  .file-card__tag,
  .chip
) {
  background: linear-gradient(180deg, #ffffff 0%, #eceee7 100%);
  color: var(--system7-ink);
  border: 2px solid var(--system7-ink);
  border-radius: 999px;
}

html[data-theme="system7"] :is(.content pre, .project-main-content pre, .content table, .project-main-content table) {
  background:
    repeating-linear-gradient(to bottom, rgba(0, 0, 0, 0.05) 0 1px, rgba(255, 255, 255, 0) 1px 1.8rem),
    #ffffff;
  border: 2px solid var(--system7-ink);
  border-radius: 10px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 #b4b7b0,
    2px 2px 0 rgba(0, 0, 0, 0.08);
}

html[data-theme="system7"] :is(.content blockquote, .project-main-content blockquote, #lightbox img, .chip-tooltip) {
  background: #ffffff;
  border: 2px solid var(--system7-ink);
  border-left: 4px solid var(--system7-accent);
  border-radius: 10px;
  box-shadow:
    inset 1px 1px 0 #ffffff,
    inset -1px -1px 0 #b4b7b0,
    2px 2px 0 rgba(0, 0, 0, 0.08);
}

html[data-theme="system7"] .article-divider,
html[data-theme="system7"] .footer-divider,
html[data-theme="system7"] :is(.content hr, .project-main-content hr, .project-content hr) {
  height: 7px;
  background:
    linear-gradient(180deg, #111111 0 1px, transparent 1px 6px, #111111 6px 7px),
    repeating-linear-gradient(90deg, #ffffff 0 5px, #d1d4cc 5px 10px);
  border-radius: 999px;
}

html[data-theme="system7"] .article-divider::after {
  content: none;
}

html[data-theme="system7"] :is(.share-button img, .social-icon) {
  filter: grayscale(1) contrast(1.05);
}

html[data-theme="nebula"] {
  --nebula-shell-top: #6e7f97;
  --nebula-shell-mid: #253241;
  --nebula-shell-bottom: #0b1016;
  --nebula-ink: #eff6ff;
  --nebula-edge: rgba(182, 197, 219, 0.42);
  --nebula-edge-soft: rgba(114, 134, 160, 0.26);
  --nebula-blue: #7dc2ff;
  --nebula-blue-strong: #4b94ff;
}

html[data-theme="nebula"] body {
  background:
    radial-gradient(circle at 50% -18%, rgba(255, 255, 255, 0.18), transparent 34%),
    linear-gradient(180deg, #6c7788 0%, #3a4350 10%, #171e26 32%, #070b0f 100%);
  color: var(--nebula-ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  letter-spacing: 0.01em;
}

html[data-theme="nebula"] :is(
  .site-header,
  .article,
  .articles .article,
  .project-content,
  .projects-section li,
  .content-card,
  .project-card .project-content,
  .articles-card li,
  .file-card,
  .share-section,
  .footer-card,
  .bio-container,
  .card,
  #category-modal,
  .error-container,
  main.resume-page,
  .resume-meta,
  .resume-list li,
  .project-metadata,
  .quick-stats li
) {
  background:
    linear-gradient(180deg, rgba(110, 127, 151, 0.92) 0%, rgba(48, 61, 78, 0.96) 10%, rgba(12, 18, 26, 0.98) 54%, rgba(20, 30, 42, 0.98) 100%);
  border: 1px solid var(--nebula-edge);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 -1px 0 rgba(0, 0, 0, 0.58),
    0 18px 32px rgba(0, 0, 0, 0.46),
    0 0 0 1px var(--nebula-edge-soft);
}

html[data-theme="nebula"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
) {
  position: relative;
  overflow: hidden;
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
  background:
    linear-gradient(180deg, rgba(144, 158, 178, 0.96) 0%, rgba(75, 90, 109, 0.96) 12%, rgba(27, 37, 49, 0.98) 46%, rgba(9, 13, 18, 1) 100%);
  border: 1px solid rgba(202, 214, 230, 0.44);
  border-radius: 16px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.34),
    inset 0 -1px 0 rgba(76, 129, 190, 0.26),
    0 14px 26px rgba(0, 0, 0, 0.34);
}

html[data-theme="nebula"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
)::before {
  content: "";
  position: absolute;
  inset: 1px 1px auto 1px;
  height: 42%;
  border-radius: 15px 15px 10px 10px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0.05));
  pointer-events: none;
}

html[data-theme="nebula"] :is(
  .title-wrapper,
  .articles-title,
  .article-title,
  .projects-title,
  .project-title,
  .files-title,
  .bio-title,
  .resume-title,
  .content-card h1,
  #category-modal-title,
  .error-container h1,
  main.resume-page .section h2
)::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.3rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(125, 194, 255, 0.82), transparent);
  box-shadow: 0 0 14px rgba(75, 148, 255, 0.25);
  pointer-events: none;
}

html[data-theme="nebula"] :is(
  .site-title,
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 0.03em;
}

html[data-theme="nebula"] .site-title {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

html[data-theme="nebula"] :is(
  .nav-link,
  .theme-dropdown__toggle,
  .theme-dropdown__option,
  .file-card__link,
  .file-card__link--secondary,
  .share-button,
  .articles-card .btn-more,
  .project-card .btn-more,
  .error-container a.button,
  .back-button,
  .back-to-top
) {
  background:
    linear-gradient(180deg, rgba(121, 136, 156, 0.96) 0%, rgba(55, 68, 86, 0.96) 14%, rgba(13, 19, 27, 0.99) 55%, rgba(24, 35, 48, 0.99) 100%);
  border: 1px solid rgba(193, 205, 220, 0.34);
  border-radius: 14px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.28),
    inset 0 -1px 0 rgba(0, 0, 0, 0.52),
    0 12px 22px rgba(0, 0, 0, 0.3);
  color: var(--nebula-ink);
}

html[data-theme="nebula"] :is(
  .nav-link:hover,
  .theme-dropdown__toggle:hover,
  .theme-dropdown__option:hover,
  .file-card__link:hover,
  .file-card__link--secondary:hover,
  .share-button:hover,
  .articles-card .btn-more:hover,
  .project-card .btn-more:hover,
  .error-container a.button:hover,
  .back-button:hover,
  .back-to-top:hover
) {
  color: #ffffff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.34),
    inset 0 -1px 0 rgba(75, 148, 255, 0.22),
    0 0 0 1px rgba(125, 194, 255, 0.24),
    0 0 24px rgba(75, 148, 255, 0.2);
}

html[data-theme="nebula"] .theme-dropdown__dots {
  padding: 0.18rem 0.28rem;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(86, 101, 120, 0.72), rgba(18, 24, 33, 0.78));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 -1px 0 rgba(0, 0, 0, 0.4);
}

html[data-theme="nebula"] .theme-dropdown__dot {
  background: rgba(83, 95, 112, 0.95);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 0 1px rgba(0, 0, 0, 0.26);
}

html[data-theme="nebula"] .theme-dropdown__dot:nth-child(3) {
  background: linear-gradient(180deg, #8dd0ff, #4f98ff);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.32),
    0 0 8px rgba(79, 152, 255, 0.24);
}

html[data-theme="nebula"] .theme-dropdown__label {
  color: rgba(226, 235, 247, 0.72);
  letter-spacing: 0.14em;
}

html[data-theme="nebula"] .theme-dropdown__menu {
  padding: 0.5rem;
  background:
    linear-gradient(180deg, rgba(92, 106, 124, 0.96) 0%, rgba(35, 46, 60, 0.98) 12%, rgba(11, 17, 25, 0.99) 100%);
  border: 1px solid rgba(193, 205, 220, 0.28);
  border-radius: 18px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(0, 0, 0, 0.48),
    0 26px 40px rgba(0, 0, 0, 0.48);
}

html[data-theme="nebula"] .theme-dropdown__option {
  min-height: 3rem;
}

html[data-theme="nebula"] .theme-dropdown__option[data-active="true"] {
  background:
    linear-gradient(180deg, rgba(114, 146, 193, 0.98) 0%, rgba(50, 83, 128, 0.98) 22%, rgba(16, 30, 54, 1) 100%);
  border-color: rgba(180, 205, 231, 0.46);
  color: #ffffff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.26),
    inset 0 -1px 0 rgba(0, 0, 0, 0.34),
    0 0 0 1px rgba(125, 194, 255, 0.22),
    0 0 22px rgba(75, 148, 255, 0.18);
}

html[data-theme="nebula"] :is(
  .articles .article .category,
  .categories .category,
  .project-category,
  .file-card__tag,
  .chip
) {
  background:
    linear-gradient(180deg, rgba(102, 118, 140, 0.94) 0%, rgba(36, 47, 62, 0.97) 22%, rgba(12, 18, 25, 0.99) 100%);
  border: 1px solid rgba(193, 205, 220, 0.24);
  border-radius: 14px;
  color: var(--nebula-ink);
}

html[data-theme="nebula"] :is(.content pre, .project-main-content pre, .content table, .project-main-content table) {
  background:
    linear-gradient(180deg, rgba(8, 12, 18, 0.99), rgba(17, 25, 34, 0.98)),
    linear-gradient(90deg, rgba(125, 194, 255, 0.04) 0 1px, transparent 1px 100%);
  background-size: auto, 2.6rem 100%;
  border: 1px solid rgba(151, 176, 205, 0.24);
  border-radius: 14px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -1px 0 rgba(0, 0, 0, 0.42),
    0 16px 28px rgba(0, 0, 0, 0.3);
}

html[data-theme="nebula"] :is(.content blockquote, .project-main-content blockquote, #lightbox img, .chip-tooltip) {
  background:
    linear-gradient(180deg, rgba(16, 23, 32, 0.98), rgba(23, 33, 46, 0.98));
  border: 1px solid rgba(151, 176, 205, 0.26);
  border-left: 3px solid rgba(125, 194, 255, 0.72);
  border-radius: 14px;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    inset 0 -1px 0 rgba(0, 0, 0, 0.42),
    0 14px 24px rgba(0, 0, 0, 0.26);
}

html[data-theme="nebula"] :is(.content a, .project-main-content a, .footer-link, .modal-article) {
  color: #9fd2ff;
  border-bottom-color: rgba(159, 210, 255, 0.44);
}

html[data-theme="nebula"] :is(.content a:hover, .project-main-content a:hover, .footer-link:hover, .modal-article:hover) {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

html[data-theme="nebula"] .article-divider,
html[data-theme="nebula"] .footer-divider,
html[data-theme="nebula"] :is(.content hr, .project-main-content hr, .project-content hr) {
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(125, 194, 255, 0.8), transparent);
  box-shadow:
    0 0 12px rgba(75, 148, 255, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  border-radius: 999px;
}

html[data-theme="nebula"] .article-divider::after {
  width: 1.5rem;
  height: 0.38rem;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(230, 240, 255, 0.9), rgba(96, 158, 255, 0.92));
  box-shadow: 0 0 18px rgba(75, 148, 255, 0.34);
  top: -3px;
}

html[data-theme="nebula"] :is(.share-button img, .social-icon) {
  filter: drop-shadow(0 0 9px rgba(125, 194, 255, 0.18)) brightness(1.04);
}

@media screen and (max-width: 640px) {
  html[data-theme="nebula"] main.resume-page,
  html[data-theme="win95"] main.resume-page,
  html[data-theme="system7"] main.resume-page,
  html[data-theme="vintage"] main.resume-page,
  html[data-theme="pine"] main.resume-page {
    width: calc(100vw - 1rem);
    padding: var(--space-md);
  }
}