:root {
  color-scheme: light;
  --background: oklch(0.985 0 0);
  --foreground: oklch(0.18 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.18 0 0);
  --muted-foreground: oklch(0.45 0 0);
  --border: oklch(0.88 0 0);
  --link: oklch(0.45 0.18 285);
  --radius: 0.625rem;
  --violet-glow: oklch(0.55 0.2 285 / 0.15);
  --fuchsia-glow: oklch(0.6 0.18 320 / 0.1);
}

html.dark {
  color-scheme: dark;
  --background: oklch(0.18 0 0);
  --foreground: oklch(0.97 0 0);
  --card: oklch(0.22 0 0);
  --card-foreground: oklch(0.97 0 0);
  --muted-foreground: oklch(0.65 0 0);
  --border: oklch(0.32 0 0);
  --link: oklch(0.72 0.14 285);
  --violet-glow: oklch(0.55 0.2 285 / 0.1);
  --fuchsia-glow: oklch(0.6 0.18 320 / 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    "Roboto",
    system-ui,
    -apple-system,
    "Segoe UI",
    sans-serif;
  font-size: 0.875rem;
  line-height: 1.625;
  color: var(--foreground);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
}

.shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  border-bottom: 1px solid color-mix(in oklch, var(--border) 80%, transparent);
  background: linear-gradient(
    to bottom,
    color-mix(in oklch, var(--link) 6%, transparent),
    var(--background) 40%,
    var(--background)
  );
}

.shell::before,
.shell::after {
  content: "";
  pointer-events: none;
  position: absolute;
  border-radius: 50%;
  filter: blur(88px);
}

.shell::before {
  top: -5rem;
  right: -10%;
  width: 18rem;
  height: 18rem;
  background: var(--violet-glow);
}

.shell::after {
  top: 40%;
  left: -14%;
  width: 14rem;
  height: 14rem;
  background: var(--fuchsia-glow);
  filter: blur(72px);
}

.wrap {
  position: relative;
  max-width: 48rem;
  margin: 0 auto;
  padding: 2.5rem 1rem 3.5rem;
}

@media (min-width: 640px) {
  .wrap {
    padding: 3.5rem 1.5rem 3.5rem;
  }
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid color-mix(in oklch, var(--border) 80%, transparent);
}

.brand {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--foreground);
  text-decoration: none;
}

.brand:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

article {
  background: color-mix(in oklch, var(--card) 90%, transparent);
  color: var(--card-foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 1px 2px oklch(0 0 0 / 0.04);
}

@media (min-width: 640px) {
  article {
    padding: 2rem;
  }
}

.updated {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

h1 {
  margin: 0 0 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid color-mix(in oklch, var(--border) 80%, transparent);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

@media (min-width: 768px) {
  h1 {
    font-size: 1.5rem;
  }
}

.prose > * + * {
  margin-top: 1rem;
}

.prose h2 {
  margin: 2rem 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--foreground);
}

.prose p,
.prose li {
  color: var(--muted-foreground);
}

.prose strong {
  color: var(--foreground);
  font-weight: 600;
}

.prose a {
  color: var(--link);
  text-underline-offset: 4px;
}

.prose a:hover {
  text-decoration: underline;
}

.prose ul {
  margin: 0;
  padding-left: 1.25rem;
}

.prose ul li + li {
  margin-top: 0.375rem;
}

.page-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
}

.page-footer a {
  color: var(--muted-foreground);
  text-decoration: none;
  text-underline-offset: 4px;
}

.page-footer a:hover {
  color: var(--foreground);
  text-decoration: underline;
}

.page-footer .copy {
  width: 100%;
}

@media (min-width: 640px) {
  .page-footer .copy {
    width: auto;
    margin-left: auto;
  }
}