/* Hallmark tokens · theme: Atelier (luxury cluster, editorial genre)
 * paper-band: light · display-style: high-contrast-serif · accent-hue: warm (copper, ~55deg)
 */

:root {
  /* — colour: paper / ink / neutrals — */
  --color-paper:      oklch(97% 0.012 75);
  --color-paper-2:    oklch(94% 0.014 75);
  --color-paper-3:    oklch(91% 0.015 75);
  --color-rule:       oklch(84% 0.012 75);
  --color-rule-2:     oklch(76% 0.014 75);
  --color-neutral:    oklch(58% 0.010 75);
  --color-muted:      oklch(44% 0.010 70);
  --color-ink:        oklch(20% 0.014 55);
  --color-ink-2:      oklch(30% 0.014 55);

  /* — colour: accent (burnished copper) — */
  --color-accent:     oklch(56% 0.135 55);
  --color-accent-ink: oklch(99% 0.005 75);
  --color-focus:      oklch(60% 0.150 55);

  /* — colour: semantic (independent of accent) — */
  --color-error:      oklch(50% 0.175 25);
  --color-success:    oklch(48% 0.110 145);

  /* — type — */
  --font-display: "Bodoni Moda", "Didot", Georgia, serif;
  --font-body:    "Crimson Pro", "Iowan Old Style", Georgia, serif;

  --text-xs:   0.64rem;
  --text-sm:   0.8rem;
  --text-base: 1rem;
  --text-md:   1.25rem;
  --text-lg:   1.5625rem;
  --text-xl:   1.9531rem;
  --text-2xl:  2.4414rem;
  --text-3xl:  3.0518rem;
  --text-4xl:  3.8147rem;
  --text-display:   clamp(2.75rem, 4vw + 1rem, 4.75rem);
  --text-display-s: clamp(2.25rem, 2.6vw + 1rem, 3.4rem);

  /* — space (4pt scale) — */
  --space-3xs: 0.125rem;
  --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-gutter: clamp(1.25rem, 4vw, 3rem);

  /* — motion — */
  --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;

  /* — misc — */
  --rule-hair: 1px;
  --radius-sm: 4px;
  --radius-md: 8px;

  --z-base:     1;
  --z-raised:   10;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-modal:    400;
  --z-toast:    500;
  --z-tooltip:  600;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-paper:      oklch(15% 0.012 55);
    --color-paper-2:    oklch(19% 0.014 55);
    --color-paper-3:    oklch(23% 0.014 55);
    --color-rule:       oklch(30% 0.012 55);
    --color-rule-2:     oklch(36% 0.014 55);
    --color-neutral:    oklch(60% 0.010 55);
    --color-muted:      oklch(74% 0.008 55);
    --color-ink:        oklch(94% 0.008 80);
    --color-ink-2:      oklch(88% 0.008 80);

    --color-accent:     oklch(68% 0.150 58);
    --color-accent-ink: oklch(14% 0.010 55);
    --color-focus:      oklch(72% 0.160 58);

    --color-error:      oklch(68% 0.190 25);
    --color-success:    oklch(70% 0.120 145);
  }
}

:root[data-theme="dark"] {
  --color-paper:      oklch(15% 0.012 55);
  --color-paper-2:    oklch(19% 0.014 55);
  --color-paper-3:    oklch(23% 0.014 55);
  --color-rule:       oklch(30% 0.012 55);
  --color-rule-2:     oklch(36% 0.014 55);
  --color-neutral:    oklch(60% 0.010 55);
  --color-muted:      oklch(74% 0.008 55);
  --color-ink:        oklch(94% 0.008 80);
  --color-ink-2:      oklch(88% 0.008 80);

  --color-accent:     oklch(68% 0.150 58);
  --color-accent-ink: oklch(14% 0.010 55);
  --color-focus:      oklch(72% 0.160 58);

  --color-error:      oklch(68% 0.190 25);
  --color-success:    oklch(70% 0.120 145);
}

:root[data-theme="light"] {
  --color-paper:      oklch(97% 0.012 75);
  --color-paper-2:    oklch(94% 0.014 75);
  --color-paper-3:    oklch(91% 0.015 75);
  --color-rule:       oklch(84% 0.012 75);
  --color-rule-2:     oklch(76% 0.014 75);
  --color-neutral:    oklch(58% 0.010 75);
  --color-muted:      oklch(44% 0.010 70);
  --color-ink:        oklch(20% 0.014 55);
  --color-ink-2:      oklch(30% 0.014 55);

  --color-accent:     oklch(56% 0.135 55);
  --color-accent-ink: oklch(99% 0.005 75);
  --color-focus:      oklch(60% 0.150 55);

  --color-error:      oklch(50% 0.175 25);
  --color-success:    oklch(48% 0.110 145);
}