/* ============================================================
   GRETCHEN LAUTENSCHLAGER — DESIGN TOKENS
   Palette derived from the chinoiserie pillow:
   Ivory cream, warm linen, sage green, slate blue,
   dusty rose, aged chestnut, deep forest, charcoal
   ============================================================ */

:root, [data-theme="light"] {
  /* ---- Type scale ---- */
  --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);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* ---- Spacing ---- */
  --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;

  /* ---- Pillow Palette — Light Mode ---- */
  /* Surfaces */
  --color-bg:              #F7F3EC;   /* ivory cream — lightest background */
  --color-surface:         #F9F6F0;   /* warm linen */
  --color-surface-2:       #FBF9F5;   /* near-white card */
  --color-surface-offset:  #EDE6D8;   /* warm off-white for alternating sections */
  --color-surface-hover:   #E5DDD0;
  --color-divider:         #D9D0C0;
  --color-border:          #C8BCAA;

  /* Text */
  --color-text:            #2E2520;   /* deep charcoal (pillow dark) */
  --color-text-muted:      #6B5D52;   /* warm brown-gray */
  --color-text-faint:      #A89688;   /* dusty rose-gray */
  --color-text-inverse:    #F7F3EC;

  /* Primary accent — Sage Green (leaf) */
  --color-primary:         #4A6155;   /* deep sage */
  --color-primary-hover:   #3A4E44;
  --color-primary-active:  #2C3D35;
  --color-primary-highlight: #C8D5CF;

  /* Secondary accent — Slate Blue (bird feather) */
  --color-secondary:       #5B6070;
  --color-secondary-hover: #474C5A;
  --color-secondary-highlight: #C8CCDA;

  /* Warm accent — Aged chestnut */
  --color-warm:            #7D6850;
  --color-warm-hover:      #65523C;
  --color-warm-highlight:  #DDD0BC;

  /* Blush — dusty rose */
  --color-blush:           #C4A090;
  --color-blush-highlight: #EDE0D8;

  /* ---- Radius ---- */
  --radius-sm:   0.25rem;
  --radius-md:   0.5rem;
  --radius-lg:   0.75rem;
  --radius-xl:   1rem;
  --radius-2xl:  1.5rem;
  --radius-full: 9999px;

  /* ---- Transitions ---- */
  --transition-interactive: 200ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* ---- Shadows ---- */
  --shadow-sm: 0 1px 3px rgba(46, 37, 32, 0.07);
  --shadow-md: 0 4px 16px rgba(46, 37, 32, 0.09);
  --shadow-lg: 0 12px 40px rgba(46, 37, 32, 0.12);

  /* ---- Widths ---- */
  --content-narrow:  640px;
  --content-default: 960px;
  --content-wide:    1200px;

  /* ---- Fonts ---- */
  --font-display: 'Instrument Serif', Georgia, serif;
  --font-body:    'Work Sans', 'Helvetica Neue', sans-serif;
}

/* ---- Dark Mode ---- */
[data-theme="dark"] {
  --color-bg:              #1A1713;
  --color-surface:         #201D19;
  --color-surface-2:       #26221E;
  --color-surface-offset:  #1D1A16;
  --color-surface-hover:   #2E2923;
  --color-divider:         #302A24;
  --color-border:          #3D352D;
  --color-text:            #E8E0D4;
  --color-text-muted:      #9E9080;
  --color-text-faint:      #6A5E52;
  --color-text-inverse:    #1A1713;
  --color-primary:         #7FA896;
  --color-primary-hover:   #5D8A78;
  --color-primary-active:  #476B5E;
  --color-primary-highlight: #2A3832;
  --color-secondary:       #8892A8;
  --color-secondary-hover: #6E7890;
  --color-warm:            #BEA080;
  --color-warm-hover:      #A08060;
  --color-warm-highlight:  #3A2E22;
  --color-blush:           #C4A090;
  --color-blush-highlight: #3A2822;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.45);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:              #1A1713;
    --color-surface:         #201D19;
    --color-surface-2:       #26221E;
    --color-surface-offset:  #1D1A16;
    --color-surface-hover:   #2E2923;
    --color-divider:         #302A24;
    --color-border:          #3D352D;
    --color-text:            #E8E0D4;
    --color-text-muted:      #9E9080;
    --color-text-faint:      #6A5E52;
    --color-text-inverse:    #1A1713;
    --color-primary:         #7FA896;
    --color-primary-hover:   #5D8A78;
    --color-primary-active:  #476B5E;
    --color-primary-highlight: #2A3832;
    --color-secondary:       #8892A8;
    --color-warm:            #BEA080;
    --color-warm-highlight:  #3A2E22;
    --color-blush:           #C4A090;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.25);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.35);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.45);
  }
}