/* Pedro Pizarro · monochrome spatial system */
:root {
  --color-paper: oklch(9% 0.006 255);
  --color-paper-raised: oklch(13% 0.006 255);
  --color-ink: oklch(96% 0.005 255);
  --color-ink-soft: oklch(78% 0.006 255);
  --color-muted: oklch(60% 0.006 255);
  --color-dim: oklch(39% 0.006 255);
  --color-rule: oklch(28% 0.006 255);
  --color-focus: oklch(88% 0.008 255);
  --color-accent-ink: var(--color-paper);
  --color-backdrop: oklch(9% 0.006 255 / 0.92);

  --font-ui: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-narrative: "Times New Roman", Times, serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1.25rem;
  --text-lg: 1.5625rem;
  --text-xl: 1.953rem;
  --text-2xl: 2.441rem;
  --text-display: clamp(2.65rem, 5.2vw, 4.25rem);

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  --space-4xl: 9rem;

  --page-pad: clamp(1.125rem, 4vw, 4.5rem);
  --measure: 62ch;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in: cubic-bezier(0.7, 0, 0.84, 0);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-micro: 120ms;
  --dur-short: 220ms;
  --dur-long: 420ms;

  --z-base: 1;
  --z-canvas: 10;
  --z-content: 20;
  --z-sticky: 200;
  --z-modal: 400;

  /* Compatibility names for verified legacy content while the visual system is replaced. */
  --bg: var(--color-paper);
  --surface: var(--color-paper);
  --surface2: var(--color-paper-raised);
  --border: var(--color-rule);
  --accent: var(--color-ink);
  --accent2: var(--color-ink-soft);
  --accent3: var(--color-muted);
  --text: var(--color-ink);
  --muted: var(--color-ink-soft);
  --muted2: var(--color-muted);
}