:root {
  --bg: #ffffff;
  --fg: #0b0b0b;
  --muted: #5b5b5b;
  --border: rgba(0, 0, 0, 0.12);
  --link: #0b0b0b;
  --link-hover: #2a2a2a;
  --header-bg: #0b0b0b;
  --header-fg: #ffffff;
  --code-bg: #f6f6f6;
  --pill-bg: rgba(0, 0, 0, 0.06);
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

:root[data-theme="dark"] {
  --bg: #070707;
  --fg: #f3f3f3;
  --muted: rgba(243, 243, 243, 0.65);
  --border: rgba(255, 255, 255, 0.14);
  --link: #f3f3f3;
  --link-hover: #ffffff;
  --header-bg: #000000;
  --header-fg: #ffffff;
  --code-bg: rgba(255, 255, 255, 0.06);
  --pill-bg: rgba(255, 255, 255, 0.10);
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }

html, body {
  padding: 0;
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  line-height: 1.65;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--link);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

a:hover {
  color: var(--link-hover);
  border-bottom-color: currentColor;
}

.container {
  width: min(980px, calc(100% - 2.5rem));
  margin: 0 auto;
}

.site-header {
  background: var(--header-bg);
  color: var(--header-fg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
}

.brand-link {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
  color: var(--header-fg);
  border-bottom: none;
}

.nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0;
  margin: 0;
}

.nav-link {
  color: rgba(255, 255, 255, 0.88);
  font-weight: 600;
  font-size: 0.95rem;
  border-bottom: none;
}
.nav-link:hover { color: #ffffff; }

.theme-toggle {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.92);
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 650;
}
.theme-toggle:hover { border-color: rgba(255, 255, 255, 0.35); }
.theme-toggle-label { font-size: 0.9rem; }

main.container {
  padding: 2.25rem 0 3rem;
  flex: 1;
}

.content-header {
  padding: 0.5rem 0 1.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.home-profile {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 1.5rem;
  align-items: center;
}

.home-profile-media { width: 168px; }

.home-avatar {
  width: 168px;
  height: 168px;
  border-radius: 26px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  object-fit: cover;
  background: var(--pill-bg);
  display: block;
}

.home-profile-body { min-width: 0; }

.home-lead {
  margin: 0.85rem 0 0;
  color: var(--muted);
  max-width: 72ch;
}

.home-links {
  margin-top: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.title {
  margin: 0;
  font-weight: 850;
  letter-spacing: -0.03em;
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
}

.meta {
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.meta a { color: var(--muted); }
.meta a:hover { color: var(--fg); }
.meta-sep { margin: 0 0.35rem; }

.prose {
  max-width: 72ch;
}
.prose h2, .prose h3 {
  margin-top: 2rem;
  margin-bottom: 0.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.prose p { margin: 0.9rem 0; }
.prose code {
  background: var(--code-bg);
  padding: 0.15rem 0.35rem;
  border-radius: 0.35rem;
}
.prose pre {
  background: var(--code-bg);
  padding: 1rem;
  overflow: auto;
  border-radius: 0.75rem;
  box-shadow: var(--shadow);
}
.prose pre code { background: transparent; padding: 0; }

.list { display: grid; gap: 1.25rem; }
.list-item {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--border);
}
.list-title {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.summary { margin: 0.5rem 0 0; color: var(--muted); }

.pill {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: var(--pill-bg);
  border: 1px solid var(--border);
  margin-right: 0.35rem;
  font-size: 0.9rem;
}
.pill:hover { border-bottom-color: transparent; }

.terms {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.term {
  display: inline-flex;
  gap: 0.45rem;
  align-items: center;
  padding: 0.35rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--pill-bg);
}
.term-count { color: var(--muted); font-size: 0.9rem; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.25rem 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
}
.footer-inner a { color: var(--muted); }
.footer-inner a:hover { color: var(--fg); }

@media (max-width: 640px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
  .nav-list { flex-wrap: wrap; }
  .home-profile { grid-template-columns: 1fr; }
  .home-profile-media { width: 112px; }
  .home-avatar { width: 112px; height: 112px; border-radius: 20px; }
}