:root {
  --page: #f8f9fa;
  --card: #ffffff;
  --header-surface: #eef0f2;
  --ink: #0e1116;
  --ink-60: #5b6370;
  --hairline: rgba(14, 17, 22, 0.08);
  --hairline-14: rgba(14, 17, 22, 0.14);

  --font-sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;

  --radius-sm: 3px;
  --radius-md: 5px;
  --radius-lg: 7px;
  --radius-pill: 9999px;

  --shadow-card: rgba(14, 17, 22, 0.04) 0 1px 2px;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 56px;
  --space-10: 80px;

  --measure: 60ch;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.55;
}

.container {
  max-width: 760px;
  margin: 0 auto;
  padding: calc(var(--space-10) / 3) var(--space-6) var(--space-10);
}

@media (max-width: 640px) {
  .container { padding: calc(var(--space-7) / 3) var(--space-4) var(--space-7); }
}

h1, h2 {
  font-family: var(--font-sans);
  font-weight: 600;
  margin: 0 0 var(--space-5);
}

h1 {
  font-size: 2rem;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.experiments-title {
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--ink);
}

.toc {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
}
.toc li { margin-bottom: var(--space-2); }
.toc a {
  text-decoration: none;
}
.toc a:hover { text-decoration: underline; }
.toc-tags {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-60);
  margin-left: var(--space-2);
}

hr.toc-divider {
  border: none;
  border-bottom: 2px solid var(--ink);
  margin: var(--space-6) 0 var(--space-7);
}

h2 {
  font-size: 1.375rem;
  line-height: 1.3;
  letter-spacing: -0.012em;
}

.experiment-entry-title {
  margin-bottom: calc(var(--space-5) / 2);
  scroll-margin-top: var(--space-6);
}
.experiment-entry-title a {
  color: inherit;
  text-decoration: none;
}
.experiment-entry-title a:hover { text-decoration: underline; }
.experiment-entry-meta { margin-bottom: calc(var(--space-5) * 2 / 3); }

code, pre { font-family: var(--font-mono); }

a {
  color: var(--ink);
  text-decoration: underline;
}
a:hover { color: var(--ink-60); }

/* Top nav */
.site-nav {
  border-bottom: 1px solid var(--hairline);
  background: var(--card);
}
.site-nav-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-nav-brand {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--ink);
  text-decoration: none;
}
.site-nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.site-nav-breadcrumb {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--ink-60);
  margin-left: var(--space-2);
}
.site-nav-sep { color: var(--ink-60); font-size: 0.8125rem; }
.site-nav-link {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--ink-60);
  text-decoration: none;
}
.site-nav-link:hover { color: var(--ink); }

@media (max-width: 640px) {
  .site-nav-inner { padding: var(--space-4); }
}

/* Blog entry list -- thumbnail, then title line, description line, tags line */
.entry-list .entry {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: calc(var(--space-5) * 2 / 3) 0;
}
.entry-list .entry[hidden] { display: none; }
.entry-list .entry:first-child { padding-top: 0; }

.entry-thumbnail {
  flex: none;
  display: block;
  width: 50px;
  height: 50px;
  margin-left: -20px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.entry-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: grayscale(50%);
  transition: filter 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.entry-list .entry:hover .entry-thumbnail img { filter: none; }

.entry-text { min-width: 0; flex: 1 1 auto; }

.entry-list .entry .entry-title {
  margin: 0 0 var(--space-1);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
}
.entry-list .entry .entry-title a { text-decoration: none; }
.entry-list .entry .entry-title a:hover { text-decoration: underline; }

.entry-list .entry .entry-description {
  margin: 0 0 var(--space-1);
  font-size: 0.8125rem;
  color: var(--ink-60);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
}


.entry-list-empty { color: var(--ink-60); }

/* Fixed side image on the index page -- stays put while the page scrolls,
   and only shown when there's enough width beside the container that it
   won't overlap the text column. */
.sidepic {
  display: none;
}
@media (min-width: 1100px) {
  .sidepic {
    display: block;
    position: fixed;
    top: 0;
    right: 0;
    width: calc(100vw / 3);
    height: 100vh;
    z-index: 10;
    pointer-events: none;
  }
  .sidepic img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: top right;
  }

  /* Index page: 1/6 white space, 3/6 content, 2/6 reserved for the fixed
     side image -- the image itself is positioned separately above since
     it's fixed and taken out of grid flow. */
  .container--sidepic {
    display: grid;
    grid-template-columns: 1fr 3fr 2fr;
    max-width: none;
    width: 100%;
    padding-left: 0;
    padding-right: 0;
  }
  .container--sidepic > *:not(.sidepic) {
    grid-column: 2 / 3;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }

  /* Keep the nav brand/links aligned with the content column above.
     min-width guards against wrapping if 50% ever gets too tight for
     the nav links to fit on one line. */
  .site-nav-inner.nav-inner--sidepic {
    max-width: none;
    width: 50%;
    min-width: max-content;
    margin-left: 16.6667%;
    margin-right: 0;
  }
  .site-nav-inner.nav-inner--sidepic .site-nav-links {
    white-space: nowrap;
  }

  /* Pages with no side image (post / experiment pages): give the freed-up
     2/6 right column's extra 1/6 to the content column instead --
     1/6 white space, 4/6 content, 1/6 white space. */
  .container--wide {
    display: grid;
    grid-template-columns: 1fr 4fr 1fr;
    max-width: none;
    width: 100%;
    padding-left: 0;
    padding-right: 0;
  }
  .container--wide > * {
    grid-column: 2 / 3;
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }

  .container--wide .prose,
  .container--wide .prose pre {
    max-width: 90ch;
  }

  .site-nav-inner.nav-inner--wide {
    max-width: none;
    width: 66.6667%;
    min-width: max-content;
    margin-left: 16.6667%;
    margin-right: 0;
  }
  .site-nav-inner.nav-inner--wide .site-nav-links {
    white-space: nowrap;
  }
}

.filter-status {
  color: var(--ink-60);
  font-size: 0.8125rem;
  margin-bottom: var(--space-6);
}
.filter-status a { color: var(--ink-60); }
.filter-status a:hover { color: var(--ink); }

/* Ghost button, used for the back-link nav action */
.back-link {
  display: inline-block;
  margin-bottom: var(--space-6);
}
.back-link a {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-60);
  text-decoration: none;
  padding: 9px 14px;
  margin-left: -14px;
  border-radius: var(--radius-md);
  transition: color 180ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.back-link a:hover { color: var(--ink); text-decoration: none; }

/* Metadata / labels */
.meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-60);
}

/* Plain inline tag links -- "#tag1 #tag2", no pill/button chrome */
.tags-line {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin: 0;
}

/* Smaller on the index list specifically -- keeps the blog list compact
   without shrinking tag links on individual post/experiment pages. */
.entry-list .tags-line { font-size: 0.50rem; }
.tag-link {
  color: var(--ink-60);
  text-decoration: none;
  margin-right: var(--space-3);
  transition: color 180ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.tag-link:hover { color: var(--ink); text-decoration: underline; }
.tag-link.tag-link--active { color: var(--ink); font-weight: 600; }

.badge-archive {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-60);
  border: 1px solid var(--hairline-14);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}

hr.entry-divider {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: var(--space-9) 0;
}

/* Content rules */
.prose {
  max-width: var(--measure);
}
.prose p { margin: 0 0 1.5em; }
.prose ul, .prose ol { padding-left: 1.75em; margin: 0 0 1.5em; }
.prose li { margin-bottom: 0.55em; }
.prose blockquote {
  border-left: 4px solid var(--ink);
  padding: 0.4em 0 0.4em 1.5em;
  margin: 0 0 1.5em;
  color: var(--ink-60);
}
.prose code {
  background: rgba(14, 17, 22, 0.06);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 0.15em 0.4em;
}
.prose pre {
  background: rgba(14, 17, 22, 0.06);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin: 0 0 1.5em;
  overflow-x: auto;
  max-width: var(--measure);
}
.prose pre code {
  background: none;
  padding: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
}
.prose img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin: var(--space-5) 0;
  cursor: pointer;
}

.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-6) 0;
}

.gallery-item img {
  width: 160px;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius-md);
  display: block;
}

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(14, 17, 22, 0.9);
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.lightbox-overlay.open { display: flex; }

.lightbox-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: var(--radius-md);
}

.lightbox-source-link {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  font-size: 1.5rem;
  text-decoration: none;
  background: var(--card);
  border-radius: var(--radius-pill);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

audio { width: 100%; margin: var(--space-6) 0; }

/* Portfolio pages */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--space-5);
}

.portfolio-card { min-width: 0; }

.portfolio-image-link {
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.portfolio-image-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: pointer;
}

.portfolio-card-footer {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.portfolio-description {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--ink-60);
}

.portfolio-link-icon {
  flex: none;
  text-decoration: none;
  color: var(--ink-60);
  line-height: 1;
}
.portfolio-link-icon:hover { color: var(--ink); }

.portfolio-music-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.portfolio-music-item-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
}

.portfolio-music-item audio { margin: var(--space-2) 0 0; }

.portfolio-app-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.portfolio-app-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--hairline);
}
.portfolio-app-item:first-child { border-top: 1px solid var(--hairline); }

.portfolio-app-item .portfolio-description {
  flex: 1 1 auto;
  min-width: 0;
}

.portfolio-app-launch {
  flex: none;
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid var(--hairline-14);
  border-radius: var(--radius-pill);
  padding: 7px 14px;
}
.portfolio-app-launch:hover { background: var(--header-surface); color: var(--ink); }