/* The Posture Lab — Design Tokens */
/* Warm & holistic palette derived from logo: cream, deep teal-green, ochre, navy */

:root,
[data-theme='light'] {
  /* Surfaces — warm cream */
  --color-bg: #f6f2ea;
  --color-surface: #fbf8f2;
  --color-surface-2: #fefcf7;
  --color-surface-offset: #efe9dd;
  --color-surface-offset-2: #e8e0d0;
  --color-surface-dynamic: #ddd5c6;
  --color-divider: #ded7c8;
  --color-border: #d2c9b6;

  /* Text — deep navy-charcoal */
  --color-text: #1f2a2e;
  --color-text-muted: #5c6b6e;
  --color-text-faint: #9aa4a6;
  --color-text-inverse: #fbf8f2;

  /* Primary — deep teal-green (logo) */
  --color-primary: #1b5e5a;
  --color-primary-hover: #144744;
  --color-primary-active: #0e3331;
  --color-primary-highlight: #cfe2df;

  /* Accent — warm ochre (logo warm tones) */
  --color-accent: #c87f2c;
  --color-accent-hover: #a8681f;
  --color-accent-active: #8a5217;
  --color-accent-highlight: #f0e0c6;

  /* Secondary — sage */
  --color-sage: #6b8e6b;
  --color-sage-highlight: #d8e4d4;

  --color-warning: #964219;
  --color-success: #437a22;
  --color-error: #a12c7b;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 220ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows — warm-toned */
  --shadow-sm: 0 1px 3px oklch(0.25 0.02 80 / 0.07);
  --shadow-md: 0 6px 18px oklch(0.25 0.02 80 / 0.1);
  --shadow-lg: 0 18px 44px oklch(0.25 0.02 80 / 0.15);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 1080px;
  --content-wide: 1240px;

  /* Fonts */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Work Sans', 'Helvetica Neue', system-ui, sans-serif;
}

[data-theme='dark'] {
  --color-bg: #15191a;
  --color-surface: #1a2020;
  --color-surface-2: #1f2626;
  --color-surface-offset: #1d2323;
  --color-surface-offset-2: #232a2a;
  --color-surface-dynamic: #2c3433;
  --color-divider: #282f2e;
  --color-border: #363f3e;

  --color-text: #d8dcd9;
  --color-text-muted: #8a948f;
  --color-text-faint: #5f6864;
  --color-text-inverse: #1f2a2e;

  --color-primary: #6bb8b1;
  --color-primary-hover: #4f9e98;
  --color-primary-active: #3d8480;
  --color-primary-highlight: #2a3a39;

  --color-accent: #e0a45a;
  --color-accent-hover: #ecbd7e;
  --color-accent-active: #f4d29c;
  --color-accent-highlight: #3d3528;

  --color-sage: #8fb089;
  --color-sage-highlight: #2f3a2f;

  --shadow-sm: 0 1px 3px oklch(0 0 0 / 0.25);
  --shadow-md: 0 6px 18px oklch(0 0 0 / 0.35);
  --shadow-lg: 0 18px 44px oklch(0 0 0 / 0.5);
}

/* Type scale */
: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(1.2rem, 1rem + 0.85vw, 1.55rem);
  --text-xl: clamp(1.55rem, 1.2rem + 1.5vw, 2.25rem);
  --text-2xl: clamp(2.1rem, 1.3rem + 2.8vw, 3.5rem);
  --text-3xl: clamp(2.8rem, 1rem + 5vw, 5rem);
  --text-hero: clamp(3rem, 0.5rem + 7vw, 7rem);

  --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;
}