:root {
  color-scheme: dark;
  --ink: #f1e6d8;
  --muted: #b7a99c;
  --paper: #15110f;
  --paper-2: #231b18;
  --accent: #d88f70;
  --accent-2: #9fb8aa;
  --accent-3: #d3b36a;
  --line: #5f4c45;
  --shadow: 8px 8px 0 #2d2622;
  --mono: "Courier New", Courier, monospace;
  --sans: Verdana, Geneva, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

body[data-theme="default"],
body[data-theme="defaultDark"] {
  color-scheme: dark;
  --ink: #f1e6d8;
  --muted: #b7a99c;
  --paper: #15110f;
  --paper-2: #231b18;
  --accent: #d88f70;
  --accent-2: #9fb8aa;
  --accent-3: #d3b36a;
  --line: #5f4c45;
  --shadow: 8px 8px 0 #2d2622;
  --pressed-ink: #15110f;
  --body-bg:
    linear-gradient(90deg, rgba(95, 76, 69, 0.12) 1px, transparent 1px),
    linear-gradient(rgba(95, 76, 69, 0.1) 1px, transparent 1px),
    radial-gradient(circle at 50% -12%, rgba(95, 76, 69, 0.2), transparent 34rem),
    linear-gradient(180deg, #18120f 0%, #0e0c0b 100%),
    #15110f;
  --cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%239fb8aa' stroke='%23f1e6d8' stroke-width='1.5' d='M3 2l15 10-7 1.5L7 22z'/%3E%3Cpath fill='%23d88f70' d='M15 3h3v3h-3zM19 7h3v3h-3z'/%3E%3C/svg%3E") 3 2, auto;
  --cursor-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%23d3b36a' stroke='%23f1e6d8' stroke-width='1.5' d='M12.5 2l3.2 6.7 7.3 1-5.3 5.2 1.3 7.1-6.5-3.5L6 22l1.3-7.1L2 9.7l7.3-1z'/%3E%3C/svg%3E") 12 12, pointer;
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --ink: #18140f;
    --muted: #625d54;
    --paper: #fff8e8;
    --paper-2: #fffdf5;
    --accent: #db2777;
    --accent-2: #00a8bd;
    --accent-3: #84cc16;
    --line: #1e1b16;
    --shadow: 8px 8px 0 var(--line);
    --body-bg:
      linear-gradient(90deg, rgba(24, 20, 15, 0.06) 1px, transparent 1px),
      linear-gradient(rgba(24, 20, 15, 0.06) 1px, transparent 1px),
      radial-gradient(circle at 15% 10%, rgba(0, 168, 189, 0.18), transparent 28rem),
      radial-gradient(circle at 85% 15%, rgba(219, 39, 119, 0.14), transparent 30rem),
      #fff8e8;
    --cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%2300a8bd' stroke='%2318140f' stroke-width='1.5' d='M3 2l15 10-7 1.5L7 22z'/%3E%3Cpath fill='%23db2777' d='M15 3h3v3h-3zM19 7h3v3h-3z'/%3E%3C/svg%3E") 3 2, auto;
    --cursor-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%2384cc16' stroke='%2318140f' stroke-width='1.5' d='M12.5 2l3.2 6.7 7.3 1-5.3 5.2 1.3 7.1-6.5-3.5L6 22l1.3-7.1L2 9.7l7.3-1z'/%3E%3C/svg%3E") 12 12, pointer;
  }

  body[data-theme="default"] {
    color-scheme: light;
    --ink: #18140f;
    --muted: #625d54;
    --paper: #fff8e8;
    --paper-2: #fffdf5;
    --accent: #db2777;
    --accent-2: #00a8bd;
    --accent-3: #84cc16;
    --line: #1e1b16;
    --shadow: 8px 8px 0 var(--line);
    --body-bg:
      linear-gradient(90deg, rgba(24, 20, 15, 0.06) 1px, transparent 1px),
      linear-gradient(rgba(24, 20, 15, 0.06) 1px, transparent 1px),
      radial-gradient(circle at 15% 10%, rgba(0, 168, 189, 0.18), transparent 28rem),
      radial-gradient(circle at 85% 15%, rgba(219, 39, 119, 0.14), transparent 30rem),
      #fff8e8;
    --cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%2300a8bd' stroke='%2318140f' stroke-width='1.5' d='M3 2l15 10-7 1.5L7 22z'/%3E%3Cpath fill='%23db2777' d='M15 3h3v3h-3zM19 7h3v3h-3z'/%3E%3C/svg%3E") 3 2, auto;
    --cursor-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%2384cc16' stroke='%2318140f' stroke-width='1.5' d='M12.5 2l3.2 6.7 7.3 1-5.3 5.2 1.3 7.1-6.5-3.5L6 22l1.3-7.1L2 9.7l7.3-1z'/%3E%3C/svg%3E") 12 12, pointer;
  }
}

body[data-theme="defaultLight"] {
  color-scheme: light;
  --ink: #18140f;
  --muted: #625d54;
  --paper: #fff8e8;
  --paper-2: #fffdf5;
  --accent: #db2777;
  --accent-2: #00a8bd;
  --accent-3: #84cc16;
  --line: #1e1b16;
  --shadow: 8px 8px 0 var(--line);
  --body-bg:
    linear-gradient(90deg, rgba(24, 20, 15, 0.06) 1px, transparent 1px),
    linear-gradient(rgba(24, 20, 15, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 15% 10%, rgba(0, 168, 189, 0.18), transparent 28rem),
    radial-gradient(circle at 85% 15%, rgba(219, 39, 119, 0.14), transparent 30rem),
    #fff8e8;
  --cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%2300a8bd' stroke='%2318140f' stroke-width='1.5' d='M3 2l15 10-7 1.5L7 22z'/%3E%3Cpath fill='%23db2777' d='M15 3h3v3h-3zM19 7h3v3h-3z'/%3E%3C/svg%3E") 3 2, auto;
  --cursor-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%2384cc16' stroke='%2318140f' stroke-width='1.5' d='M12.5 2l3.2 6.7 7.3 1-5.3 5.2 1.3 7.1-6.5-3.5L6 22l1.3-7.1L2 9.7l7.3-1z'/%3E%3C/svg%3E") 12 12, pointer;
}

body[data-theme="peak2000"] {
  --ink: #150014;
  --muted: #5e2b58;
  --paper: #fff6cb;
  --paper-2: #fffef4;
  --accent: #ff1493;
  --accent-2: #00d7ff;
  --accent-3: #a3ff12;
  --line: #140014;
  --shadow: 8px 8px 0 #140014;
  --body-bg:
    radial-gradient(circle at 12% 18%, #ff1493 0 2px, transparent 3px),
    radial-gradient(circle at 76% 12%, #00d7ff 0 2px, transparent 3px),
    radial-gradient(circle at 45% 38%, #a3ff12 0 2px, transparent 3px),
    radial-gradient(circle at 20% 20%, rgba(255, 20, 147, 0.36), transparent 22rem),
    radial-gradient(circle at 85% 10%, rgba(0, 215, 255, 0.28), transparent 28rem),
    repeating-linear-gradient(135deg, rgba(20, 0, 20, 0.1) 0 1px, transparent 1px 12px),
    repeating-linear-gradient(90deg, rgba(255, 247, 0, 0.18) 0 14px, transparent 14px 28px),
    #fff6cb;
  background-size: 80px 80px, 96px 96px, 110px 110px, auto, auto, auto, auto, auto;
  --cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%23ff1493' stroke='%23000000' stroke-width='1.5' d='M3 2l15 9-7 2-3 7z'/%3E%3Ccircle cx='17' cy='6' r='3' fill='%2300d7ff' stroke='%23000000'/%3E%3C/svg%3E") 3 2, auto;
  --cursor-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath fill='%23a3ff12' stroke='%23000000' stroke-width='1.5' d='M4 12l5-8 5 8-5 8z'/%3E%3Cpath stroke='%23ff1493' stroke-width='2' d='M13 4l7 7-7 7'/%3E%3C/svg%3E") 12 12, pointer;
}

body[data-theme="seriousAcademic"] {
  --ink: #0f172a;
  --muted: #475569;
  --paper: #f8fafc;
  --paper-2: #ffffff;
  --accent: #1d4ed8;
  --accent-2: #64748b;
  --accent-3: #eab308;
  --line: #1e293b;
  --shadow: 5px 5px 0 #cbd5e1;
  --body-bg:
    linear-gradient(90deg, rgba(15, 23, 42, 0.055) 1px, transparent 1px),
    linear-gradient(rgba(15, 23, 42, 0.045) 1px, transparent 1px),
    #f8fafc;
  --cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%23f8fafc' stroke='%230f172a' stroke-width='1.5' d='M4 19l3.4-1 11-11-2.4-2.4-11 11z'/%3E%3Cpath fill='%231d4ed8' stroke='%230f172a' stroke-width='1.2' d='M15.6 4.6l2-2 3.1 3.1-2 2z'/%3E%3C/svg%3E") 4 20, auto;
  --cursor-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%23eab308' stroke='%230f172a' stroke-width='1.5' d='M6 3h13v18l-6.5-4L6 21z'/%3E%3Cpath stroke='%231d4ed8' stroke-width='2' d='M9 8h7M9 12h5'/%3E%3C/svg%3E") 12 4, pointer;
}

body[data-theme="solarized"] {
  --ink: #93a1a1;
  --muted: #839496;
  --paper: #002b36;
  --paper-2: #073642;
  --accent: #268bd2;
  --accent-2: #2aa198;
  --accent-3: #b58900;
  --line: #586e75;
  --shadow: 0 0 0 1px rgba(88, 110, 117, 0.65), 0 0 28px rgba(42, 161, 152, 0.16);
  --body-bg:
    repeating-linear-gradient(0deg, rgba(147, 161, 161, 0.045) 0 1px, transparent 1px 4px),
    radial-gradient(circle at 50% 0, rgba(38, 139, 210, 0.18), transparent 26rem),
    #002b36;
  --cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Crect x='3' y='3' width='9' height='15' fill='%23268bd2' stroke='%23002b36' stroke-width='1.5'/%3E%3Cpath stroke='%232aa198' stroke-width='1.5' d='M15 6h6M15 10h4M15 14h6'/%3E%3C/svg%3E") 4 4, auto;
  --cursor-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%232aa198' stroke='%23002b36' stroke-width='1.5' d='M4 4h17v17H4z'/%3E%3Cpath stroke='%23002b36' stroke-width='2' d='M8 9h5M8 13h9M8 17h6'/%3E%3C/svg%3E") 12 12, pointer;
}

body[data-theme="blog2010"] {
  --ink: #252525;
  --muted: #6d6257;
  --paper: #f7efe2;
  --paper-2: #fffaf1;
  --accent: #c2410c;
  --accent-2: #2563eb;
  --accent-3: #d97706;
  --line: #c4b6a6;
  --shadow: 0 4px 14px rgba(58, 43, 25, 0.16);
  --body-bg:
    linear-gradient(90deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.28)),
    repeating-linear-gradient(90deg, #eadfcc 0 12px, #f7efe2 12px 24px);
  --cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%23c2410c' stroke='%23252525' stroke-width='1.5' d='M4 18l2 3 12-12-3-3z'/%3E%3Cpath fill='%23fffaf1' stroke='%23252525' stroke-width='1.3' d='M15 6l2-2 4 4-2 2z'/%3E%3C/svg%3E") 4 20, auto;
  --cursor-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='25' height='25' viewBox='0 0 25 25'%3E%3Cpath fill='%23d97706' stroke='%23252525' stroke-width='1.5' d='M5 4h13l2 3v14H5z'/%3E%3Cpath fill='%23fffaf1' d='M8 8h9v2H8zM8 12h7v2H8z'/%3E%3C/svg%3E") 12 12, pointer;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
  background: var(--body-bg, var(--paper));
  cursor: var(--cursor, auto);
  transition: background 180ms ease, color 180ms ease;
}

a {
  color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.16em;
  cursor: var(--cursor-link, pointer);
}

a:hover,
a:focus {
  color: var(--accent-2);
}

.site-shell {
  width: min(1120px, calc(100% - 28px));
  margin: 22px auto;
}

main.site-shell {
  display: block;
}

#about {
  grid-area: about;
}

#links {
  grid-area: links;
}

#news {
  grid-area: news;
}

#selected {
  grid-area: selected;
}

#publications {
  grid-area: publications;
}

.variant-picker {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-items: center;
  border-bottom: 2px solid var(--line);
  padding: 8px;
  background: color-mix(in srgb, var(--paper-2) 92%, transparent);
  backdrop-filter: blur(10px);
  box-shadow: 0 3px 0 color-mix(in srgb, var(--line) 20%, transparent);
  font-family: var(--mono);
}

.variant-picker strong {
  margin-right: 5px;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.variant-picker button,
.variant-picker a {
  min-height: 32px;
  border: 2px solid var(--line);
  border-radius: var(--button-radius, 0);
  padding: 5px 9px;
  color: var(--ink);
  background: var(--paper-2);
  font: 700 0.78rem var(--mono);
  cursor: var(--cursor-link, pointer);
  text-decoration: none;
}

.variant-picker button[aria-pressed="true"],
.variant-picker a:hover,
.variant-picker a:focus {
  background: var(--accent);
  color: var(--pressed-ink, #fff);
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 190px;
  gap: 22px;
  align-items: center;
  border: var(--frame-border, 2px solid var(--line));
  border-radius: var(--radius, 0);
  padding: clamp(18px, 4vw, 38px);
  background: var(--hero-bg, var(--paper-2));
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--h1, var(--ink));
  font-family: var(--display-font, var(--serif));
  font-size: clamp(2.5rem, 8vw, 6.4rem);
  line-height: 0.88;
  letter-spacing: 0;
}

h1 span {
  display: block;
  color: var(--accent);
  text-shadow: var(--title-shadow, 3px 3px 0 var(--accent-3));
}

.subtitle {
  max-width: 760px;
  margin: 18px 0 0;
  font-size: clamp(1rem, 1.7vw, 1.28rem);
}

.profile {
  margin: 0;
  justify-self: end;
  width: 190px;
  transform: var(--photo-tilt, rotate(1deg));
}

.profile img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: var(--photo-border, 3px solid var(--line));
  border-radius: var(--photo-radius, 0);
  background: #ddd;
  box-shadow: var(--photo-shadow, 5px 5px 0 var(--accent-2));
}

.profile figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.76rem;
  text-align: center;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.nav a,
.quick-link {
  border: var(--control-border, 2px solid var(--line));
  border-radius: var(--control-radius, 0);
  background: var(--paper-2);
  box-shadow: var(--control-shadow, 4px 4px 0 var(--line));
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 700;
  text-decoration: none;
}

.nav a {
  padding: 8px 11px;
}

.nav a:hover,
.nav a:focus,
.quick-link:hover,
.quick-link:focus {
  background: color-mix(in srgb, var(--accent-2) 18%, var(--paper-2));
  color: var(--ink);
  transform: translate(2px, 2px);
}

.window {
  margin: 28px 0;
  border: var(--frame-border, 2px solid var(--line));
  border-radius: var(--radius, 0);
  background: var(--paper-2);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.window-title {
  border-bottom: var(--title-border, 2px solid var(--line));
  padding: 7px 10px;
  background: var(--title-bg, linear-gradient(90deg, var(--accent-2), var(--accent-3) 48%, var(--accent)));
  color: var(--title-ink, var(--ink));
  font-family: var(--mono);
  font-weight: 700;
}

.window-title::before {
  content: var(--title-prefix, "[] ");
}

.window-body {
  padding: clamp(15px, 2.7vw, 30px);
}

.prose p {
  max-width: 82ch;
  margin: 0 0 1em;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.quick-link {
  min-height: 82px;
  padding: 12px;
  cursor: var(--cursor-link, pointer);
}

.quick-link span,
.quick-link strong {
  display: block;
}

.quick-link span {
  color: var(--accent);
  font-size: 0.78rem;
  text-transform: uppercase;
}

.quick-link strong {
  margin-top: 7px;
  overflow-wrap: anywhere;
}

.news-list,
.paper-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-list {
  display: grid;
  gap: 10px;
  max-height: 34rem;
  overflow: auto;
  padding-right: 8px;
}

.news-list li {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 12px;
  border-bottom: 1px dashed color-mix(in srgb, var(--line) 32%, transparent);
  padding: 0 0 10px;
}

time {
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 700;
}

.paper-list {
  counter-reset: papers;
}

.paper-list li {
  counter-increment: papers;
  position: relative;
  margin: 0 0 13px;
  padding: 0 0 13px 2.3rem;
  border-bottom: 1px dashed color-mix(in srgb, var(--line) 28%, transparent);
}

.paper-list li::before {
  content: counter(papers, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1rem;
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 700;
}

.paper-list small {
  color: var(--muted);
}

.tag {
  display: inline-block;
  margin: 0 6px 5px 0;
  border: 1px solid var(--line);
  border-radius: var(--tag-radius, 0);
  padding: 1px 6px;
  background: color-mix(in srgb, var(--accent-3) 38%, var(--paper-2));
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 700;
  vertical-align: 0.1rem;
}

.publications h2 {
  width: fit-content;
  margin: 22px 0 12px;
  border: 2px solid var(--line);
  border-radius: var(--tag-radius, 0);
  padding: 2px 9px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--mono);
  font-size: 1rem;
}

.publications h2:first-child {
  margin-top: 0;
}

.footer {
  display: flex;
  justify-content: flex-end;
  gap: 16px;
  border-top: 2px solid var(--line);
  padding-top: 12px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.86rem;
}

.not-found-page {
  min-height: 100vh;
  display: grid;
  align-items: center;
}

.not-found-window {
  width: min(680px, 100%);
  margin-inline: auto;
}

.not-found-body {
  padding: clamp(24px, 6vw, 52px);
}

.error-code {
  margin: 0 0 6px;
  color: var(--accent-2);
  font-family: var(--mono);
  font-size: clamp(3.5rem, 14vw, 8rem);
  font-weight: 700;
  line-height: 0.9;
  text-shadow: 4px 4px 0 color-mix(in srgb, var(--line) 65%, transparent);
}

.not-found-body h1 {
  margin: 0 0 12px;
  font-family: var(--display-font, var(--serif));
  font-size: clamp(1.8rem, 5vw, 3.1rem);
  line-height: 1;
}

.lost-terminal {
  display: grid;
  gap: 8px;
  margin-top: 24px;
  border: 2px solid var(--line);
  padding: 14px;
  background: color-mix(in srgb, var(--paper) 72%, #000 28%);
  font-family: var(--mono);
}

.lost-terminal span {
  color: var(--muted);
}

body[data-theme="peak2000"] {
  --title-bg: repeating-linear-gradient(90deg, #ff1493 0 10px, #00d7ff 10px 20px, #a3ff12 20px 30px, #fff700 30px 40px);
  --title-prefix: "<> ";
  --display-font: Georgia, "Times New Roman", serif;
  --mobile-shadow: 5px 5px 0 var(--line);
  --photo-tilt: rotate(2deg);
  --control-shadow: 5px 5px 0 #140014;
  --frame-border: 3px ridge #ff1493;
  animation: peak-bg-scroll 12s linear infinite;
}

body[data-theme="peak2000"] .variant-picker {
  background:
    repeating-linear-gradient(90deg, #ff1493 0 18px, #00d7ff 18px 36px, #a3ff12 36px 54px, #fff700 54px 72px);
  background-size: 144px 100%;
  box-shadow: 0 4px 0 #140014;
  animation: peak-rainbow-slide 1.8s linear infinite;
}

body[data-theme="peak2000"] .variant-picker strong,
body[data-theme="peak2000"] .variant-picker button {
  color: #140014;
  text-shadow: 1px 1px 0 #fffef4;
}

body[data-theme="peak2000"] .variant-picker button {
  border-style: outset;
  background: #fffef4;
}

body[data-theme="peak2000"] .variant-picker button[aria-pressed="true"] {
  background: #fff700;
  box-shadow: inset 2px 2px 0 #ff1493, inset -2px -2px 0 #00d7ff;
}

body[data-theme="peak2000"] .hero-grid {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.84), rgba(255, 246, 203, 0.92)),
    repeating-linear-gradient(45deg, rgba(255, 20, 147, 0.18) 0 10px, transparent 10px 20px),
    repeating-linear-gradient(-45deg, rgba(0, 215, 255, 0.14) 0 8px, transparent 8px 18px);
}

body[data-theme="peak2000"] .hero-grid::before {
  content: "guestbook open // glitter mode // visitor 0001337";
  position: absolute;
  left: 16px;
  top: -17px;
  border: 2px solid var(--line);
  padding: 2px 8px;
  background: #ff1493;
  color: #fff700;
  font: 700 0.75rem var(--mono);
  text-shadow: 1px 1px 0 #140014;
  box-shadow: 4px 4px 0 #00d7ff;
  animation: peak-sticker-pop 1.2s steps(2) infinite;
}

body[data-theme="peak2000"] .hero-grid::after {
  content: "best viewed at 1024x768";
  position: absolute;
  right: 16px;
  bottom: -17px;
  border: 2px solid var(--line);
  padding: 2px 8px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.72), transparent),
    #a3ff12;
  color: #140014;
  font: 700 0.75rem var(--mono);
  box-shadow: 4px 4px 0 #ff1493;
}

body[data-theme="peak2000"] h1 span {
  text-shadow:
    3px 3px 0 #a3ff12,
    6px 6px 0 #00d7ff;
  animation: peak-glow 1.6s steps(2) infinite;
}

body[data-theme="peak2000"] .profile {
  animation: peak-float 4s ease-in-out infinite;
}

body[data-theme="peak2000"] .nav a:nth-child(odd):hover {
  transform: translate(2px, 2px) rotate(-1deg);
}

body[data-theme="peak2000"] .nav a:nth-child(even):hover {
  transform: translate(2px, 2px) rotate(1deg);
}

body[data-theme="peak2000"] .footer::before {
  content: "view-source friendly";
  margin-right: auto;
}

body[data-theme="peak2000"] .window,
body[data-theme="peak2000"] .quick-link {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 254, 244, 0.86)),
    repeating-linear-gradient(45deg, rgba(255, 20, 147, 0.12) 0 7px, transparent 7px 14px);
}

body[data-theme="peak2000"] .quick-link:hover,
body[data-theme="peak2000"] .quick-link:focus {
  animation: peak-wobble 420ms steps(2);
}

body[data-theme="seriousAcademic"] {
  --radius: 2px;
  --control-radius: 999px;
  --control-shadow: 2px 2px 0 #cbd5e1;
  --title-bg: #e2e8f0;
  --title-ink: #0f172a;
  --title-prefix: "§ ";
  --title-shadow: none;
  --mobile-shadow: 4px 4px 0 #cbd5e1;
}

body[data-theme="seriousAcademic"] .hero-grid {
  background: linear-gradient(180deg, #ffffff 0, #f8fafc 100%);
}

body[data-theme="seriousAcademic"] .paper-list li {
  border-bottom-style: solid;
}

body[data-theme="seriousAcademic"] .tag {
  background: #fef3c7;
  border-color: #94a3b8;
}

body[data-theme="solarized"] {
  --pressed-ink: #002b36;
  --button-radius: 0;
  --control-shadow: none;
  --title-bg: #073642;
  --title-ink: #eee8d5;
  --title-prefix: "$ ";
  --title-shadow: none;
  --photo-radius: 2px;
  --mobile-shadow: 0 0 0 1px rgba(88, 110, 117, 0.65), 0 0 20px rgba(42, 161, 152, 0.16);
}

body[data-theme="solarized"] .hero-grid,
body[data-theme="solarized"] .window,
body[data-theme="solarized"] .quick-link,
body[data-theme="solarized"] .variant-picker {
  background: rgba(7, 54, 66, 0.92);
}

body[data-theme="solarized"] h1 {
  font-family: var(--mono);
  font-size: clamp(2.1rem, 6vw, 5rem);
}

body[data-theme="solarized"] .eyebrow::before {
  content: "";
  display: inline-block;
  width: 0.55em;
  height: 0.95em;
  margin: 0 0.12em;
  background: currentColor;
  vertical-align: -0.15em;
  animation: blink 1s steps(1) infinite;
}

body[data-theme="solarized"] .eyebrow::before {
  margin: 0 0.35em 0 0;
}

body[data-theme="blog2010"] {
  --frame-border: 1px solid #d6c8b7;
  --control-border: 1px solid #c4b6a6;
  --control-shadow: none;
  --title-bg: linear-gradient(#ffffff, #f3e8d7);
  --title-prefix: "";
  --title-border: 1px solid #d6c8b7;
  --title-shadow: none;
  --photo-radius: 4px;
  --photo-border: 8px solid #fff;
  --photo-shadow: 0 3px 14px rgba(58, 43, 25, 0.22);
  --tag-radius: 3px;
  --mobile-shadow: 0 3px 12px rgba(58, 43, 25, 0.16);
}

body[data-theme="blog2010"] .hero-grid {
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.82), rgba(255, 250, 241, 0.9)),
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(196, 182, 166, 0.38) 23px 24px);
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

@keyframes peak-glow {
  50% {
    color: #ff1493;
    text-shadow:
      3px 3px 0 #fff700,
      6px 6px 0 #00d7ff,
      0 0 12px #ff1493;
  }
}

@keyframes peak-bg-scroll {
  50% {
    background-position: 28px 36px, -24px 20px, 18px -20px, center, center, 14px 14px, -18px 0, center;
  }
}

@keyframes peak-rainbow-slide {
  to {
    background-position: 144px 0;
  }
}

@keyframes peak-sticker-pop {
  50% {
    transform: rotate(-1deg) scale(1.04);
  }
}

@keyframes peak-float {
  50% {
    transform: rotate(-2deg) translateY(-6px);
  }
}

@keyframes peak-wobble {
  33% {
    transform: translate(2px, 2px) rotate(2deg);
  }

  66% {
    transform: translate(2px, 2px) rotate(-2deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  body[data-theme="peak2000"],
  body[data-theme="peak2000"] .variant-picker,
  body[data-theme="peak2000"] .hero-grid::before,
  body[data-theme="peak2000"] h1 span,
  body[data-theme="peak2000"] .profile,
  body[data-theme="peak2000"] .quick-link:hover,
  body[data-theme="peak2000"] .quick-link:focus,
  body[data-theme="solarized"] .eyebrow::before {
    animation: none;
  }
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100% - 18px, 1120px);
    margin: 12px auto;
  }

  .variant-picker {
    position: static;
  }

  .variant-picker button,
  .variant-picker a {
    flex: 1 1 10rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    box-shadow: var(--mobile-shadow, var(--shadow));
  }

  .profile {
    justify-self: start;
    width: min(170px, 58vw);
  }

  .quick-grid {
    grid-template-columns: 1fr;
  }

  .news-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .window {
    box-shadow: var(--mobile-shadow, var(--shadow));
  }

}