/**
 * NutriCalc shared design tokens.
 *
 * Tokens are available globally; visual rules require the .nc-ui root or nc-* classes.
 * Dark mode is explicit via data-nc-theme="dark" to preserve current templates.
 */

@font-face {
  font-family: "NutriCalc Open Sans";
  font-style: normal;
  font-weight: 400 700;
  font-stretch: 100%;
  font-display: swap;
  src: url("../fonts/open-sans-latin-variable.woff2") format("woff2");
}

:root {
  color-scheme: light;

  --nc-font-sans: "NutriCalc Open Sans", "Open Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --nc-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --nc-color-canvas: #f4f7fb;
  --nc-color-surface: #ffffff;
  --nc-color-surface-subtle: #eef3f9;
  --nc-color-surface-strong: #dce6f1;
  --nc-color-text: #172033;
  --nc-color-text-muted: #526079;
  --nc-color-text-inverse: #f8fafc;
  --nc-color-border: #c7d2e0;
  --nc-color-border-strong: #8fa0b6;

  --nc-color-accent: #1d4ed8;
  --nc-color-accent-hover: #173eae;
  --nc-color-accent-active: #15358f;
  --nc-color-accent-soft: #e8efff;
  --nc-color-focus: #0b63ce;

  --nc-color-success: #087443;
  --nc-color-success-soft: #e9f8ef;
  --nc-color-warning: #9a4d07;
  --nc-color-warning-soft: #fff4df;
  --nc-color-danger: #b42318;
  --nc-color-danger-soft: #fff0ee;
  --nc-color-info: #175cd3;
  --nc-color-info-soft: #edf4ff;

  --nc-space-0: 0;
  --nc-space-1: 0.25rem;
  --nc-space-2: 0.5rem;
  --nc-space-3: 0.75rem;
  --nc-space-4: 1rem;
  --nc-space-5: 1.25rem;
  --nc-space-6: 1.5rem;
  --nc-space-8: 2rem;
  --nc-space-10: 2.5rem;
  --nc-space-12: 3rem;
  --nc-space-16: 4rem;
  --nc-space-20: 5rem;

  --nc-size-content: 72rem;
  --nc-size-reading: 65ch;
  --nc-size-control: 2.75rem;

  --nc-font-size-xs: 0.75rem;
  --nc-font-size-sm: 0.875rem;
  --nc-font-size-md: 1rem;
  --nc-font-size-lg: 1.125rem;
  --nc-font-size-xl: 1.25rem;
  --nc-font-size-2xl: clamp(1.5rem, 1.25rem + 0.75vw, 2rem);
  --nc-font-size-3xl: clamp(1.875rem, 1.45rem + 1.4vw, 2.75rem);

  --nc-line-height-tight: 1.2;
  --nc-line-height-body: 1.6;

  --nc-font-weight-regular: 400;
  --nc-font-weight-medium: 600;
  --nc-font-weight-bold: 700;

  --nc-radius-control: 0.5rem;
  --nc-radius-surface: 0.75rem;
  --nc-radius-pill: 999px;

  --nc-border-width: 1px;
  --nc-focus-width: 3px;
  --nc-focus-offset: 2px;

  --nc-shadow-surface: 0 1px 2px rgb(23 32 51 / 0.06), 0 8px 24px rgb(41 63 92 / 0.08);
  --nc-shadow-raised: 0 2px 4px rgb(23 32 51 / 0.08), 0 14px 32px rgb(41 63 92 / 0.12);

  --nc-duration-fast: 120ms;
  --nc-duration-standard: 180ms;
  --nc-ease-standard: cubic-bezier(0.2, 0, 0, 1);

  --nc-layer-base: 0;
  --nc-layer-sticky: 20;
  --nc-layer-overlay: 40;
}

[data-nc-theme="dark"] {
  color-scheme: dark;

  --nc-color-canvas: #111827;
  --nc-color-surface: #182235;
  --nc-color-surface-subtle: #202d43;
  --nc-color-surface-strong: #2b3a52;
  --nc-color-text: #f1f5f9;
  --nc-color-text-muted: #bdc9d8;
  --nc-color-text-inverse: #172033;
  --nc-color-border: #41516a;
  --nc-color-border-strong: #71819a;

  --nc-color-accent: #8eb4ff;
  --nc-color-accent-hover: #a9c5ff;
  --nc-color-accent-active: #c4d7ff;
  --nc-color-accent-soft: #263d70;
  --nc-color-focus: #a9c5ff;

  --nc-color-success: #7bdba8;
  --nc-color-success-soft: #173d2b;
  --nc-color-warning: #f5bd69;
  --nc-color-warning-soft: #493017;
  --nc-color-danger: #ffaaa2;
  --nc-color-danger-soft: #4e2524;
  --nc-color-info: #a9c5ff;
  --nc-color-info-soft: #263d70;

  --nc-shadow-surface: 0 1px 2px rgb(0 0 0 / 0.2), 0 8px 24px rgb(0 0 0 / 0.22);
  --nc-shadow-raised: 0 2px 4px rgb(0 0 0 / 0.24), 0 14px 32px rgb(0 0 0 / 0.3);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --nc-duration-fast: 0ms;
    --nc-duration-standard: 0ms;
  }
}