/*
 * Cross-site design primitives copied from portfolio commit f1cad70.
 * The portfolio's DESIGN.md and src/assets/css/site.css are the visual contract.
 */
@font-face {
  font-family: "Bricolage Grotesque";
  font-style: normal;
  font-weight: 400 800;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/bricolage-grotesque-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Public Sans";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/public-sans-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Public Sans";
  font-style: italic;
  font-weight: 400 600;
  font-display: swap;
  src: url("../fonts/public-sans-latin-italic.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-400.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-500.woff2") format("woff2");
}

@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/ibm-plex-mono-latin-600.woff2") format("woff2");
}

:root {
  color-scheme: dark;
  --surface-primary: #0b1220;
  --surface-secondary: #111827;
  --surface-header: rgba(11, 18, 32, 0.96);
  --text-primary: #ffffff;
  --text-body: rgba(255, 255, 255, 0.78);
  --text-secondary: rgba(255, 255, 255, 0.6);
  --text-tertiary: #aab4c3;
  --border-default: rgba(255, 255, 255, 0.16);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.28);
  --accent-primary: #60a5fa;
  --accent-soft: #93c5fd;
  --accent-surface: rgba(37, 99, 235, 0.14);
  --selection-surface: rgba(96, 165, 250, 0.12);
  --accent-border: rgba(96, 165, 250, 0.35);
  --progress: #f9423a;
  --focus-ring: #93c5fd;
  --code-surface: #0a101c;
  --code-toolbar: rgba(255, 255, 255, 0.03);
  --code-border: #aab4c3;
  --code-text: #e5e7eb;
  --code-muted: #94a3b8;
  --code-comment: #94a3b8;
  --code-keyword: #c4b5fd;
  --code-value: #86efac;
  --code-number: #fbbf24;
  --code-function: #7dd3fc;
  --code-variable: #f9a8d4;
  --code-operator: #cbd5e1;
  --code-deleted: #f87171;
  --diagram-surface: #111827;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --page-gutter: clamp(var(--space-5), 5vw, var(--space-12));
  --page-width: 71.25rem;
  --reading-width: 46rem;
  --md-text-font: "Public Sans", system-ui, sans-serif;
  --md-code-font: "IBM Plex Mono", ui-monospace, monospace;
}

:root[data-theme="light"] {
  color-scheme: light;
  --surface-primary: #f4f5f7;
  --surface-secondary: #ffffff;
  --surface-header: rgba(244, 245, 247, 0.95);
  --text-primary: #111827;
  --text-body: rgba(17, 24, 39, 0.84);
  --text-secondary: rgba(17, 24, 39, 0.66);
  --text-tertiary: #4b5563;
  --border-default: rgba(17, 24, 39, 0.16);
  --border-subtle: rgba(17, 24, 39, 0.09);
  --border-strong: rgba(17, 24, 39, 0.28);
  --accent-primary: #1d4ed8;
  --accent-soft: #1d4ed8;
  --accent-surface: rgba(37, 99, 235, 0.14);
  --selection-surface: rgba(37, 99, 235, 0.1);
  --accent-border: rgba(37, 99, 235, 0.4);
  --focus-ring: #1d4ed8;
  --code-surface: #f8fafc;
  --code-toolbar: #eef2f7;
  --code-border: #4b5563;
  --code-text: #111827;
  --code-muted: #64748b;
  --code-comment: #64748b;
  --code-keyword: #6d28d9;
  --code-value: #047857;
  --code-number: #b45309;
  --code-function: #0369a1;
  --code-variable: #be185d;
  --code-operator: #334155;
  --code-deleted: #b91c1c;
  --diagram-surface: #ffffff;
}

html {
  font-size: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  background: var(--surface-primary);
  color: var(--text-body);
  font-family: "Public Sans", system-ui, sans-serif;
  font-size: 1rem;
  line-height: normal;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 150ms ease, color 150ms ease;
}

a {
  color: var(--accent-primary);
  text-decoration-color: color-mix(in srgb, var(--accent-primary) 40%, transparent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--accent-soft);
  text-decoration-color: var(--accent-soft);
}

p {
  text-wrap: pretty;
}

::selection {
  background: #2563eb;
  color: #fff;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 3px;
  box-shadow: none;
}

@media (forced-colors: active) {
  :focus-visible {
    outline-color: Highlight;
    box-shadow: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}