/* Design tokens — BasisCalc */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  --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;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 720px;
  --content-default: 1040px;
  --content-wide: 1280px;

  --font-display: 'Space Grotesk', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', ui-monospace, monospace;
}

/* LIGHT */
:root, [data-theme='light'] {
  --color-bg: #f8f9fa;
  --color-surface: #ffffff;
  --color-surface-2: #f1f3f5;
  --color-surface-offset: #e9ecef;
  --color-border: #dee2e6;
  --color-divider: #e9ecef;

  --color-text: #0d1117;
  --color-text-muted: #57606a;
  --color-text-faint: #8b949e;
  --color-text-inverse: #ffffff;

  --color-primary: #0f7a3a;          /* profit green */
  --color-primary-hover: #0b5e2c;
  --color-primary-soft: #d4f0df;

  --color-accent: #1f4d8a;           /* deep blue for secondary */
  --color-loss: #c0392b;
  --color-warn: #b8860b;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 14px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
}

/* DARK */
[data-theme='dark'] {
  --color-bg: #0b0e13;
  --color-surface: #11151c;
  --color-surface-2: #161b24;
  --color-surface-offset: #1c2230;
  --color-border: #242b3a;
  --color-divider: #1c2230;

  --color-text: #e6edf3;
  --color-text-muted: #8b949e;
  --color-text-faint: #6b7280;
  --color-text-inverse: #0b0e13;

  --color-primary: #3ddc84;
  --color-primary-hover: #2dbf6c;
  --color-primary-soft: #133624;

  --color-accent: #5b9dff;
  --color-loss: #ff6b6b;
  --color-warn: #f1c40f;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
}