/* Tokens natifs partagés par les maquettes et l'intégration future. */
:root {
  --color-paper: #f4f0e8;
  --color-ink: #171717;
  --color-signal: #c52626;
  --color-signal-deep: #8f171b;
  --color-night: #142433;
  --color-wash: #e4ded2;
  --color-moss: #52675c;
  --color-focus: #005fcc;
  --color-success: #1f6b47;
  --color-danger: #9a1f2b;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  --font-display: Georgia, "Times New Roman", serif;
  --font-ui: Arial, Helvetica, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-md: 1rem;
  --text-lg: 1.25rem;
  --text-xl: clamp(2rem, 5vw, 4.75rem);
  --leading-tight: 1.05;
  --leading-copy: 1.5;

  --content-max: 90rem;
  --measure-copy: 70ch;
  --grid-gap: var(--space-4);
  --border-thin: 1px solid currentColor;
  --radius-sm: 0.25rem;
  --radius-md: 0.75rem;
  --shadow-soft: 0 0.5rem 1.5rem rgb(23 23 23 / 0.12);

  --focus-ring: 0 0 0 3px var(--color-focus);
  --focus-offset: 3px;
  --touch-target: 44px;
  --motion-fast: 140ms;
  --motion-base: 240ms;
  --ease-editorial: cubic-bezier(0.2, 0.8, 0.2, 1);
}

[data-variant="editorial"] {
  --variant-accent: var(--color-signal);
  --variant-surface: var(--color-paper);
  --variant-ink: var(--color-ink);
}

[data-variant="library"] {
  --variant-accent: var(--color-moss);
  --variant-surface: var(--color-paper);
  --variant-ink: var(--color-ink);
}

[data-variant="poster"] {
  --variant-accent: var(--color-night);
  --variant-surface: var(--color-signal);
  --variant-ink: var(--color-paper);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-ui);
  text-rendering: optimizeLegibility;
}

body {
  margin: 0;
  min-width: 0;
}

button,
a,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  min-block-size: var(--touch-target);
}

:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: var(--focus-offset);
  box-shadow: var(--focus-ring);
}

@media (min-width: 48rem) {
  :root {
    --grid-gap: var(--space-5);
  }
}

@media (min-width: 90rem) {
  :root {
    --grid-gap: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --motion-fast: 1ms;
    --motion-base: 1ms;
    scroll-behavior: auto;
  }
}