/* AstraCloudBox design tokens — "Печатный реестр", v1.0 */

:root {
  color-scheme: light;

  /* Color */
  --color-bg: #f2f0e9;
  --color-bg-secondary: #e5e2d8;
  --color-surface: #ffffff;
  --color-surface-inverse: #111111;
  --color-border: #111111;
  --color-border-subtle: #aaa79f;
  --color-text: #111111;
  --color-text-secondary: #43433f;
  --color-text-muted: #696861;
  --color-text-inverse: #ffffff;
  --color-accent: #2f55ff;
  --color-accent-soft: #dde3ff;
  --color-accent-hover: #193bcf;
  --color-accent-active: #102a9a;
  --color-focus: #2f55ff;
  --color-success: #087a4b;
  --color-success-bg: #daf3e6;
  --color-warning: #915600;
  --color-warning-bg: #fff0c7;
  --color-error: #c52d2d;
  --color-error-bg: #ffe0e0;

  /* Typography */
  --font-family-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-family-mono: "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --font-size-h1: 4rem;
  --font-size-h2: 2.5rem;
  --font-size-h3: 1.625rem;
  --font-size-h4: 1.125rem;
  --font-size-lead: 1.25rem;
  --font-size-body: 1rem;
  --font-size-ui: 0.9375rem;
  --font-size-small: 0.875rem;
  --font-size-caption: 0.75rem;
  --font-size-mono: 0.875rem;
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 650;
  --font-weight-bold: 700;
  --font-weight-heading: 750;
  --font-weight-heavy: 800;
  --line-height-tight: 0.95;
  --line-height-heading: 1.1;
  --line-height-ui: 1.2;
  --line-height-caption: 1.35;
  --line-height-copy: 1.55;
  --letter-spacing-h1: -0.045em;
  --letter-spacing-h2: -0.035em;
  --letter-spacing-h3: -0.02em;
  --letter-spacing-caption: 0.08em;
  --letter-spacing-ui: 0.01em;

  /* Spacing: 4px base unit */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container-max: 73.75rem;
  --content-narrow: 47.5rem;
  --page-gutter: 2.5rem;
  --grid-gap: 1.5rem;
  --section-space: 4rem;
  --panel-padding: 2rem;
  --card-padding: 1.5rem;
  --header-height: 4.5rem;
  --control-height: 3rem;
  --control-height-compact: 2.5rem;
  --tap-target-min: 2.75rem;
  --file-row-min-height: 3.5rem;

  /* Reference breakpoints; custom properties cannot be used in @media conditions. */
  --breakpoint-mobile-end: 39.9375rem;
  --breakpoint-desktop-start: 64rem;

  /* Shape and borders */
  --radius: 0;
  --border-width: 0.125rem;
  --divider-width: 0.0625rem;
  --accent-border-width: 0.25rem;
  --border-default: var(--border-width) solid var(--color-border);
  --divider-default: var(--divider-width) solid var(--color-border);

  /* Focus */
  --focus-outline-width: 0.1875rem;
  --focus-outline-offset: 0.1875rem;
  --focus-ring: 0 0 0 0.1875rem var(--color-surface), 0 0 0 0.375rem var(--color-focus);

  /* Motion */
  --motion-duration-fast: 100ms;
  --motion-duration-base: 160ms;
  --motion-easing: cubic-bezier(0.2, 0.8, 0.2, 1);

  /* Layers */
  --z-base: 0;
  --z-dropdown: 20;
  --z-skip-link: 50;
}

@media (max-width: 63.9375rem) {
  :root {
    --font-size-h1: 3.25rem;
    --font-size-h2: 2.25rem;
    --font-size-h3: 1.5rem;
    --font-size-lead: 1.1875rem;
    --page-gutter: 2rem;
    --grid-gap: 1.25rem;
    --section-space: 3rem;
    --panel-padding: 1.5rem;
    --card-padding: 1.25rem;
  }
}

@media (max-width: 39.9375rem) {
  :root {
    --font-size-h1: 2.75rem;
    --font-size-h2: 2rem;
    --font-size-lead: 1.125rem;
    --font-size-mono: 0.8125rem;
    --page-gutter: 1rem;
    --grid-gap: 0.75rem;
    --section-space: 2.25rem;
    --panel-padding: 1.25rem;
    --card-padding: 1rem;
    --header-height: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --motion-duration-fast: 0.01ms;
    --motion-duration-base: 0.01ms;
  }
}

@media (forced-colors: active) {
  :root {
    --color-border: CanvasText;
    --color-border-subtle: GrayText;
    --color-text: CanvasText;
    --color-text-secondary: CanvasText;
    --color-text-muted: GrayText;
    --color-accent: LinkText;
    --color-accent-hover: LinkText;
    --color-accent-active: LinkText;
    --color-focus: Highlight;
    --focus-ring: 0 0 0 0.1875rem Canvas, 0 0 0 0.375rem Highlight;
  }
}