:root {
  --bg: #f5f5ee;
  --fg: #000;
  --fg-muted: #666;
  --border: #ddd;
  --code-bg: #f5f5f5;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root:not(.light) {
    --bg: #0a0a0a;
    --fg: #e0e0e0;
    --fg-muted: #888;
    --border: #333;
    --code-bg: #1a1a1a;
    color-scheme: dark;
  }
}

html.dark {
  --bg: #0a0a0a;
  --fg: #e0e0e0;
  --fg-muted: #888;
  --border: #333;
  --code-bg: #1a1a1a;
  color-scheme: dark;
}


::selection { background: #000; color: #f5f5ee; }

@media (prefers-color-scheme: dark) {
  :root:not(.light) ::selection { background: #e0e0e0; color: #0a0a0a; }
}
html.dark ::selection { background: #e0e0e0; color: #0a0a0a; }
html.light ::selection { background: #000; color: #f5f5ee; }


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


html {
  background-color: var(--bg);
  overflow-x: hidden;
  overflow-y: scroll;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: ui-monospace, "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Menlo, Consolas, monospace;
  font-size: 15px;
  color: var(--fg);
  line-height: 1.6;
  min-height: 100vh;
  max-width: 65ch;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  overflow-x: hidden;
  overflow-wrap: break-word;
}


h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 600; }
h1 { font-weight: 700; font-size: 1.75em; margin-bottom: 0.75em; }
h2 { font-size: 1.35em; margin-top: 1.75em; margin-bottom: 0.75em; }
h3 { font-size: 1.1em; margin-top: 1.5em; margin-bottom: 0.5em; color: var(--fg-muted); }
h4 { margin-top: 1.25em; margin-bottom: 0.5em; }
p { margin: 1em 0; }
h2 + p, h3 + p, h4 + p { margin-top: 0; }


a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }
article a, main p a, main li a {
  text-decoration: underline;
  text-decoration-color: var(--border);
  text-underline-offset: 2px;
}
article a:hover, main p a:hover, main li a:hover { text-decoration-color: var(--fg); }
a:focus-visible { outline: 1px solid var(--fg); outline-offset: 2px; }


header {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 1rem;
  margin-bottom: 4rem;
  padding: 0.5rem 0;
}
header h1 { font-size: 1rem; margin: 0; }
header h1 a { color: var(--fg); }
header h1 a:hover { text-decoration: none; }

nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 1.2rem;
  font-size: 0.9rem;
}
nav a { color: var(--fg-muted); display: inline-flex; align-items: center; gap: 0.3rem; }
nav a:hover { color: var(--fg); text-decoration: none; }
nav .nav-icon { display: none; }
nav .nav-text { display: inline; }


.theme-toggle {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
  color: var(--fg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}
.theme-toggle:hover { color: var(--fg); }
.theme-toggle svg { width: 1.2em; height: 1.2em; }
html:not(.dark) .theme-toggle .moon { display: none; }
html.dark .theme-toggle .sun { display: none; }


main { min-height: 60vh; }
article { margin-bottom: 2rem; }
article > *:first-child { margin-top: 0; }
article > *:last-child { margin-bottom: 0; }


hr { border: none; border-top: 1px solid var(--border); margin: 3em 0; }
ul, ol { margin: 1em 0; padding-left: 1.5em; }
li { margin: 0.25em 0; }
ul ul, ul ol, ol ul, ol ol { margin: 0.25em 0; }

dl { margin: 1.5em 0; }
dt { font-weight: 600; margin-top: 1.5em; margin-bottom: 0.25em; }
dt:first-child { margin-top: 0; }
dd { margin-left: 0; margin-bottom: 1em; color: var(--fg-muted); }
dd:last-child { margin-bottom: 0; }

blockquote {
  font-style: italic;
  color: var(--fg-muted);
  border-left: 2px solid var(--border);
  margin: 1.5em 0;
  padding-left: 1em;
}

code {
  font-family: inherit;
  font-size: 0.95em;
  background-color: var(--code-bg);
  padding: 0.15em 0.3em;
  word-break: break-word;
}
pre {
  background-color: var(--code-bg);
  border: 1px solid var(--border);
  overflow-x: auto;
  font-size: 0.9em;
  line-height: 1.5;
  margin: 1.5em 0;
  padding: 1em;
  max-width: 100%;
}
pre code { background-color: transparent; padding: 0; }

table {
  width: 100%;
  text-align: left;
  margin: 2em 0;
  font-size: 0.875em;
  line-height: 1.7;
}
thead { font-weight: 600; border-bottom: 1px solid var(--border); }
thead th { padding: 0 0.5em 0.5em; }
thead th:first-child { padding-left: 0; }
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:last-child { border-bottom: none; }
tbody td { padding: 0.5em; vertical-align: top; }
tbody td:first-child { padding-left: 0; }

img, video, iframe, embed, object { max-width: 100%; height: auto; display: block; }
img { margin: 1.5em 0; }
figure { margin: 2em 0; }
figure > * { margin: 0; }
figcaption { color: var(--fg-muted); font-size: 0.875em; margin-top: 0.85em; }


footer {
  margin-top: 5rem;
  padding-top: 2rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--fg-muted);
}
footer a { color: inherit; }


.content-list {
  list-style: none;
  padding-left: 0;
  margin: 1.5em 0;
}
.content-list li {
  padding: 0.5em 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.content-list li:last-child { border-bottom: none; }
.content-list li:hover { background: var(--code-bg); }
.content-list a { text-decoration: none; }
.content-list a:hover { text-decoration: underline; }
.content-list .muted, .content-list time {
  font-size: 0.85em;
  color: var(--fg-muted);
}


@keyframes slide-enter {
  0% { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 1; }
}
@media (prefers-reduced-motion: no-preference) {
  .slide-enter-content > * {
    --enter-stage: 0;
    --enter-step: 90ms;
    animation: slide-enter 1s both;
    animation-delay: calc(var(--enter-stage) * var(--enter-step));
  }
  .slide-enter-content > *:nth-child(1) { --enter-stage: 1; }
  .slide-enter-content > *:nth-child(2) { --enter-stage: 2; }
  .slide-enter-content > *:nth-child(3) { --enter-stage: 3; }
  .slide-enter-content > *:nth-child(4) { --enter-stage: 4; }
  .slide-enter-content > *:nth-child(5) { --enter-stage: 5; }
  .slide-enter-content > *:nth-child(6) { --enter-stage: 6; }
  .slide-enter-content > *:nth-child(n+7) { --enter-stage: 7; }
}


.scroll-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  width: 2rem;
  height: 2rem;
  background: var(--bg);
  border: 1px solid var(--border);
  cursor: pointer;
  color: var(--fg-muted);
  opacity: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scroll-top:hover { color: var(--fg); border-color: var(--fg); }
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top svg { width: 1.25em; height: 1.25em; }


.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--fg);
  color: var(--bg);
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}
.skip-link:focus {
  top: 0;
}


.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}
.op50 { opacity: 0.5; }
.op75 { opacity: 0.75; }
.mt-0 { margin-top: 0; }
.mt-2 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }


.year-section, .project-category { position: relative; margin-top: 3rem; }
.year-section:first-of-type, .project-category:first-of-type { margin-top: 0; }

.year-header, .category-header {
  position: relative;
  pointer-events: none;
  height: 5rem;
  margin-bottom: -2rem;
}
.category-header { height: 4rem; margin-bottom: -1.5rem; }

.year-header span, .category-header span {
  position: absolute;
  left: -1rem;
  top: 0;
  font-size: 6rem;
  font-weight: 700;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--border);
  opacity: 0.3;
  line-height: 1;
  user-select: none;
}
.category-header span { font-size: 4rem; left: -0.5rem; opacity: 0.25; }


.media-list { list-style: none; padding: 0; margin: 0; }
.media-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.media-item:last-child { border-bottom: none; }
.media-item:hover { background: var(--code-bg); }
.media-item::before { display: none; }
.media-title { font-weight: 500; }
.media-author { color: var(--fg-muted); font-size: 0.9em; }
.media-note { color: var(--fg-muted); font-size: 0.85em; font-style: italic; grid-column: 1 / -1; margin-top: 0.25rem; }


.tag { font-size: 0.85em; color: var(--fg-muted); }
.content-list .tag { margin-right: 0.5em; }
.content-list .tag:last-child { margin-right: 0; }


.category-nav { margin-bottom: 1.5em; color: var(--fg-muted); }
.category-nav a { color: var(--fg-muted); }
.category-nav a:hover { color: var(--fg); }


.favorites { margin-bottom: 2em; padding-bottom: 1.5em; border-bottom: 1px solid var(--border); }
.favorites-label { font-size: 0.85em; color: var(--fg-muted); margin-bottom: 0.75em; }


.social-links { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; margin: 1.5rem 0; }
.social-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--fg-muted);
  font-size: 0.9rem;
}
.social-links a:hover { color: var(--fg); }
.social-links svg { width: 1em; height: 1em; opacity: 0.7; }
.social-links a:hover svg { opacity: 1; }

.more-links { margin-top: 0; margin-bottom: 2.5rem; font-size: 0.9em; color: var(--fg-muted); }
.more-links a { color: var(--fg-muted); }
.more-links a:hover { color: var(--fg); }


.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.75rem;
  list-style: none;
  padding: 0;
  margin: 1rem 0;
}
.project-card { padding: 0.75rem; border: 1px solid transparent; transition: background-color 0.15s; }
.project-card:hover { background: var(--code-bg); }
.project-card a { text-decoration: none; display: block; }
.project-card .project-name { font-weight: 500; margin-bottom: 0.25rem; }
.project-card .project-desc { color: var(--fg-muted); font-size: 0.85em; line-height: 1.4; }


.uses-section { margin-top: 2rem; }
.uses-section h3 { margin-bottom: 0.75rem; }
.uses-list { list-style: none; padding: 0; }
.uses-list li { padding: 0.4rem 0; }
.uses-list li::before { display: none; }
.uses-list strong { color: var(--fg); }


.bits-list { list-style: none; padding: 0; }
.bits-list li { padding: 1.25rem 0; border-bottom: 1px solid var(--border); line-height: 1.6; }
.bits-list li:last-child { border-bottom: none; }
.bits-list li:hover { background: var(--code-bg); }


.naq-list { margin: 1.5rem 0; }
.naq-list dt { font-weight: 600; margin-top: 1.5rem; }
.naq-list dt:first-child { margin-top: 0; }
.naq-list dd { margin-left: 0; margin-top: 0.5rem; color: var(--fg-muted); }


.questions-list { list-style: none; padding: 0; }
.questions-list li { padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.questions-list li:last-child { border-bottom: none; }
.questions-list .q-mark { margin-right: 0.5rem; color: var(--fg-muted); }


.quotes-list blockquote { margin: 1.5rem 0; padding: 1rem; background: var(--code-bg); }
.quotes-list blockquote p { margin: 0; }
.quotes-list blockquote cite {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.85em;
  color: var(--fg-muted);
  font-style: normal;
}


.scrapbook-gallery { columns: 3 250px; column-gap: 1rem; margin-top: 1.5rem; }
.scrapbook-item { break-inside: avoid; margin-bottom: 1rem; }
.scrapbook-item img { width: 100%; display: block; border: 1px solid var(--border); }
.scrapbook-item:hover img { opacity: 0.9; }

.gallery-hero { margin-bottom: 4rem; }
.gallery-hero p {
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  line-height: 1.3;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
}
.gallery-masonry { columns: 3 320px; column-gap: 2rem; margin-top: 2rem; }
.gallery-photo { margin: 0 0 2rem; break-inside: avoid; }
.gallery-photo a { display: block; transition: opacity 0.2s, transform 0.2s; }
.gallery-photo a:hover { opacity: 0.9; transform: translateY(-2px); }
.gallery-photo img { width: 100%; border: 1px solid var(--border); border-radius: 2px; }


@media print {
  body { background: white; color: black; max-width: none; padding: 0; }
  header nav, footer, .scroll-top, .theme-toggle { display: none; }
  a { color: black; }
  pre, blockquote { page-break-inside: avoid; }
  h1, h2, h3 { page-break-after: avoid; }
}


@media (max-width: 640px) {
  body { padding: 1.5rem 1rem; }
  header { grid-template-columns: 1fr; gap: 0.5rem; margin-bottom: 2.5rem; }
  nav { justify-content: flex-start; flex-wrap: wrap; gap: 0.5rem 1rem; }
  nav a, .theme-toggle { min-height: 44px; min-width: 44px; }
  h1 { font-size: 1.5em; }
  h2 { font-size: 1.2em; }
  table { display: block; overflow-x: auto; white-space: nowrap; }
  .content-list li { padding: 0.75rem 0; }
  .project-grid { grid-template-columns: 1fr; }
  .year-header span, .category-header span { font-size: 4rem; left: 0; }
  .category-header span { font-size: 3rem; }
  .media-item { grid-template-columns: 1fr; gap: 0.25rem; }
  .social-links a { min-height: 44px; padding: 0.5rem 0; }
  footer { margin-top: 3rem; }
  .more-links { line-height: 2; }
  .more-links a { min-height: 44px; line-height: 44px; }
  .scrapbook-gallery { columns: 2 150px; }
  .gallery-masonry { columns: 2 250px; column-gap: 1.5rem; }
  .gallery-hero { margin-bottom: 3rem; }
  blockquote { margin: 1em 0; padding-left: 0.75em; }
  pre { margin: 1em 0; padding: 0.75em; font-size: 0.85em; }
}


@media (max-width: 480px) {
  body { padding: 1.25rem 0.875rem; font-size: 14px; }
  h1 { font-size: 1.35em; }
  h2 { font-size: 1.15em; }
  h3 { font-size: 1em; }
  ul, ol { padding-left: 1.25em; }
  .year-header span { font-size: 3.5rem; }
  hr { margin: 2em 0; }
  .slide-enter-content > * { --enter-step: 60ms; }
}


@media (max-width: 360px) {
  body { padding: 1rem 0.75rem; }
  .scrapbook-gallery, .gallery-masonry { columns: 1; }
  .gallery-photo { margin-bottom: 1.5rem; }
  .gallery-hero { margin-bottom: 2.5rem; }
  nav { gap: 0.4rem 0.8rem; }
  .year-header { height: 3.5rem; }
  .year-header span { font-size: 3rem; }
  .category-header span { font-size: 2.5rem; }
  footer { margin-top: 2.5rem; }
}