@layer base {
  html {
    font-size: 100%;

    @media (min-width: 100ch) {
      font-size: 1.1rem;
    }
  }

  body {
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
    -webkit-text-size-adjust: none;
    background: var(--color-canvas);
    color: var(--color-ink);
    font-family: var(--font-sans);
    interpolate-size: allow-keywords;
    line-height: 1.375;
    max-inline-size: 100vw;
    scroll-behavior: auto;
    text-rendering: optimizeLegibility;
    text-size-adjust: none;
  }

  :is(h1, h2, h3, h4, h5, h6) {
    font-family: var(--font-display);
    text-transform: uppercase;
    letter-spacing: 0.05ch;
  }

  /* Scanline texture. Sits behind everything via a negative z-index, so it
     never intercepts pointer events or covers content. */
  body::after {
    background: repeating-linear-gradient(
      0deg,
      transparent,
      transparent 3px,
      oklch(var(--lch-black) / 1.5%) 3px,
      oklch(var(--lch-black) / 1.5%) 4px
    );
    content: "";
    inset: 0;
    pointer-events: none;
    position: fixed;
    z-index: -10;

    html[data-theme="dark"] & {
      background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 3px,
        oklch(var(--lch-white) / 2.5%) 3px,
        oklch(var(--lch-white) / 2.5%) 4px
      );
    }

    @media (prefers-color-scheme: dark) {
      html:not([data-theme]) & {
        background: repeating-linear-gradient(
          0deg,
          transparent,
          transparent 3px,
          oklch(var(--lch-white) / 2.5%) 3px,
          oklch(var(--lch-white) / 2.5%) 4px
        );
      }
    }
  }

  a {
    text-decoration: none;

    &:not([class]) {
      color: var(--color-link);
      text-decoration: underline;
      text-decoration-skip-ink: auto;
    }
  }

  :is(a, button, input, textarea, .switch, .btn) {
    transition: 100ms ease-out;
    transition-property: background-color, border-color, box-shadow, outline;
    touch-action: manipulation;

    /* Keyboard navigation */
    &:where(:focus-visible) {
      border-radius: var(--radius);
      outline: var(--focus-ring-size) solid var(--focus-ring-color);
      outline-offset: var(--focus-ring-offset);
    }

    /* Default disabled styles */
    &:where([disabled]) {
      cursor: not-allowed;
      opacity: 0.5;
      pointer-events: none;
    }
  }

  ::selection {
    background: var(--color-selected);

    html[data-theme="dark"] & {
      background-color: var(--color-selected-dark);
    }

    @media (prefers-color-scheme: dark) {
      html:not([data-theme]) & {
        background-color: var(--color-selected-dark);
      }
    }
  }

  :where(ul, ol):where([role="list"]) {
    margin: 0;
    padding: 0;
    list-style: none;
  }

  kbd {
    border: 1px solid;
    border-radius: var(--radius);
    box-shadow: 0 0.1em 0 currentColor;
    font-family: var(--font-mono);
    font-size: 0.8em;
    font-weight: 600;
    opacity: 0.7;
    padding: 0 0.4em;
    text-transform: uppercase;
    vertical-align: middle;
    white-space: nowrap;
  }

  video {
    max-inline-size: 100%;
  }

  /* Printing */
  @page {
    margin: 1in;
  }

  @media print {
    .no-print {
      display: none;
    }
  }

  /* Turbo */
  turbo-frame,
  turbo-cable-stream-source {
    display: contents;
  }

  .turbo-progress-bar {
    visibility: hidden;
  }

  /* Thin, gold-tinted scrollbars. */
  @media screen and (-webkit-min-device-pixel-ratio: 0) and (min-resolution: 0.001dpcm) {
    * {
      scrollbar-color: oklch(var(--lch-gold-medium) / 30%) transparent;
      scrollbar-width: thin;
    }
  }
}