/* Hallmark · genre: editorial · theme: custom "Трикольор" · design-system: design.md · designed-as-app
 * axes: paper=light (white) · display=roman-serif (Literata) · accent=chromatic-green (flag green 160°) + red (flag red 28°) for "today" and the primary action
 * Cyrillic-complete faces only: Literata · Golos Text. No mono.
 */
:root {
  /* ---- colour · OKLCH · white paper, flag green + flag red ---- */
  --color-paper:      oklch(99.3% 0.004 85);
  --color-paper-2:    oklch(96.5% 0.010 85);
  --color-paper-3:    oklch(93%   0.014 85);
  --color-rule:       oklch(89%   0.012 80);
  --color-rule-2:     oklch(76%   0.020 75);
  --color-neutral:    oklch(46%   0.025 70);   /* small labels · ≥ 4.5:1 on paper */
  --color-muted:      oklch(40%   0.030 60);
  --color-ink:        oklch(22%   0.030 50);
  --color-accent:     oklch(48%   0.130 160);  /* flag green — links, active nav, rules, dots */
  --color-accent-2:   oklch(40%   0.120 160);  /* hover / pressed */
  --color-accent-ink: oklch(98%   0.010 85);
  --color-accent-wash:oklch(93%   0.050 160);
  --color-today:      oklch(52%   0.190 28);   /* flag red — today marker, the primary button, the brand dot */
  --color-today-2:    oklch(44%   0.180 28);
  --color-today-wash: oklch(95%   0.040 30);
  --color-focus:      oklch(55%   0.160 160);
  --color-backdrop:   oklch(20%   0.030 60 / 0.45);
  --color-error:      oklch(50%   0.180 25);
  --color-success:    oklch(48%   0.130 150);

  /* ---- type · 2 + 1 ---- */
  --font-display: "Literata", "Georgia", "Times New Roman", serif;
  --font-body:    "Golos Text", "Segoe UI", system-ui, sans-serif;
  --font-outlier: "Golos Text", "Segoe UI", system-ui, sans-serif;   /* no mono: labels use the body face */

  /* scale · major third 1.25 from 16 px */
  --text-xs:   0.8rem;
  --text-sm:   0.9rem;
  --text-base: 1.0625rem;
  --text-md:   1.25rem;
  --text-lg:   1.5625rem;
  --text-xl:   1.9531rem;
  --text-2xl:  2.4414rem;
  --text-3xl:  3.0518rem;
  --text-display-s: clamp(2rem, 3.2vw + 1rem, 3.4rem);
  --text-display:   clamp(2.75rem, 5vw + 1rem, 5.25rem);
  --text-marquee:   clamp(3.25rem, 9vw + 0.5rem, 7rem);   /* single short line only */

  --leading-display: 1.05;
  --leading-tight:   1.2;
  --leading-body:    1.6;
  --tracking-display: -0.02em;
  --tracking-label:   0;

  /* ---- space · 4 pt ---- */
  --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;

  /* ---- rules · radii · shadow ---- */
  --rule-hair:  1px solid var(--color-rule);
  --rule-thick: 3px solid var(--color-ink);
  --radius-input: 4px;
  --radius-card:  6px;
  --radius-pill:  999px;
  --shadow-whisper: 0 1px 2px oklch(20% 0.02 250 / 0.06);
  --shadow-panel:   0 24px 48px -24px oklch(20% 0.03 250 / 0.35);

  /* ---- 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;

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

  /* ---- measure ---- */
  --measure: 62ch;
  --page-max: 76rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}