/**
 * Kalkulator.in — Experiment Design System (shared tokens)
 * Permanent candidate tokens. Do not import into production app.css until approved.
 */

:root {
  /* Brand */
  --ds-color-bg: #ffffff;
  --ds-color-surface: #ffffff;
  --ds-color-surface-muted: #f6f9fc;
  --ds-color-text: #0f172a;
  --ds-color-text-secondary: #64748b;
  --ds-color-text-muted: #94a3b8;
  --ds-color-border: #e8eef5;
  --ds-color-border-strong: #d0d7e2;

  --ds-color-primary: #1a73e8;
  --ds-color-primary-deep: #1557b0;
  --ds-color-primary-soft: #e8f1fd;
  --ds-color-on-primary: #ffffff;

  --ds-color-accent: #00b386;
  --ds-color-accent-soft: #e6f8f3;
  --ds-color-accent-deep: #008f6b;

  --ds-color-warning: #d97706;
  --ds-color-danger: #dc2626;
  --ds-color-info: #0284c7;

  --ds-color-ad-bg: #f3f5f8;
  --ds-color-ad-label: #94a3b8;
  --ds-color-ad-border: #d0d7e2;

  /* Focus */
  --ds-focus-ring: 0 0 0 3px rgba(26, 115, 232, 0.22);

  /* Radius */
  --ds-radius-sm: 8px;
  --ds-radius-md: 12px;
  --ds-radius-lg: 16px;
  --ds-radius-xl: 20px;
  --ds-radius-pill: 999px;

  /* Shadow */
  --ds-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --ds-shadow-md: 0 1px 2px rgba(15, 23, 42, 0.04), 0 8px 24px rgba(15, 23, 42, 0.05);

  /* Spacing scale (4px base) */
  --ds-space-1: 0.25rem;
  --ds-space-2: 0.5rem;
  --ds-space-3: 0.75rem;
  --ds-space-4: 1rem;
  --ds-space-5: 1.25rem;
  --ds-space-6: 1.5rem;
  --ds-space-8: 2rem;
  --ds-space-10: 2.5rem;
  --ds-space-12: 3rem;

  /* Type */
  --ds-font-sans: "Plus Jakarta Sans", system-ui, sans-serif;
  --ds-font-display: "Plus Jakarta Sans", system-ui, sans-serif;
  --ds-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ds-text-xs: 0.75rem;
  --ds-text-sm: 0.875rem;
  --ds-text-md: 1rem;
  --ds-text-lg: 1.125rem;
  --ds-text-xl: 1.25rem;
  --ds-text-2xl: 1.5rem;
  --ds-text-3xl: clamp(1.75rem, 4vw, 2.25rem);
  --ds-text-4xl: clamp(2rem, 5vw, 2.75rem);
  --ds-text-result: clamp(2rem, 6vw, 3.25rem);

  --ds-leading-tight: 1.15;
  --ds-leading-snug: 1.35;
  --ds-leading-normal: 1.55;
  --ds-leading-relaxed: 1.7;

  /* Layout widths — ONE system */
  --ds-container: 1200px;
  --ds-container-calc: 1120px;
  --ds-container-reading: 780px;
  --ds-container-wide: 1400px;
  --ds-page-pad: 1.25rem;
  --ds-section-y: clamp(1.75rem, 4vw, 2.75rem);

  /* Motion */
  --ds-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ds-duration: 280ms;

  /* Sticky offset under experiment banner */
  --ds-sticky-top: 4.5rem;
}

@media (prefers-color-scheme: dark) {
  :root {
  --ds-color-bg: #0b1220;
  --ds-color-surface: #121a2b;
  --ds-color-surface-muted: #0f172a;
  --ds-color-text: #e8eef8;
  --ds-color-text-secondary: #9aa8bc;
  --ds-color-text-muted: #7b8a9e;
  --ds-color-border: #243044;
  --ds-color-border-strong: #334155;
  --ds-color-primary: #5b9fff;
  --ds-color-primary-deep: #8bb8ff;
  --ds-color-primary-soft: #172554;
  --ds-color-accent: #2dd4a8;
  --ds-color-accent-soft: #0f2f28;
  --ds-color-accent-deep: #5eead4;
  --ds-color-ad-bg: #152033;
  --ds-color-ad-border: #2a3a52;
  --ds-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
  }
}

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