/* =============================================================
   Essência — Design Tokens
   Light mode (default). Dark mode overrides in base.css
   ============================================================= */

:root {
  /* ---- Palette: Greens (nature / wellness) ---- */
  --color-primary-50:  #f0fdf4;
  --color-primary-100: #dcfce7;
  --color-primary-200: #bbf7d0;
  --color-primary-300: #86efac;
  --color-primary-400: #4ade80;
  --color-primary-500: #22c55e;
  --color-primary-600: #16a34a;
  --color-primary-700: #15803d;
  --color-primary-800: #166534;
  --color-primary-900: #14532d;
  --color-primary:      var(--color-primary-700);

  /* ---- Palette: Neutrals (warm stone) ---- */
  --color-neutral-50:  #fafaf9;
  --color-neutral-100: #f5f5f4;
  --color-neutral-200: #e7e5e4;
  --color-neutral-300: #d6d3d1;
  --color-neutral-400: #a8a29e;
  --color-neutral-500: #78716c;
  --color-neutral-600: #57534e;
  --color-neutral-700: #44403c;
  --color-neutral-800: #292524;
  --color-neutral-900: #1c1917;

  /* ---- Palette: Accent (gold / warmth) ---- */
  --color-accent-400: #fbbf24;
  --color-accent-500: #f59e0b;
  --color-accent:      var(--color-accent-500);

  /* ---- Semantic ---- */
  --color-bg:           var(--color-neutral-50);
  --color-bg-card:      #ffffff;
  --color-text:         var(--color-neutral-800);
  --color-text-muted:   var(--color-neutral-500);
  --color-border:       var(--color-neutral-200);
  --color-success:      var(--color-primary-600);
  --color-error:        #dc2626;
  --color-pro:          var(--color-accent);

  /* ---- Typography ---- */
  --font-sans:  'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-serif: 'Merriweather', 'Georgia', serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', monospace;

  --text-xs:   0.75rem;   /* 12px */
  --text-sm:   0.875rem;  /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg:   1.125rem;  /* 18px */
  --text-xl:   1.25rem;   /* 20px */
  --text-2xl:  1.5rem;    /* 24px */
  --text-3xl:  1.875rem;  /* 30px */
  --text-4xl:  2.25rem;   /* 36px */

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* ---- Spacing ---- */
  --space-1: 0.25rem;  /* 4px  */
  --space-2: 0.5rem;   /* 8px  */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */

  /* ---- Borders & Radius ---- */
  --radius-sm: 0.375rem;  /* 6px  */
  --radius-md: 0.5rem;    /* 8px  */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-full: 9999px;

  /* ---- Shadows ---- */
  --shadow-sm:  0 1px 2px rgba(0,0,0,0.05);
  --shadow-md:  0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
  --shadow-lg:  0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.05);
  --shadow-xl:  0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.05);

  /* ---- Transitions ---- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;

  /* ---- Layout ---- */
  --max-width-container: 48rem;  /* 768px mobile-first max */
  --navbar-height: 3.5rem;

  /* ---- Z-index scale ---- */
  --z-base:    1;
  --z-dropdown: 100;
  --z-sticky:  200;
  --z-modal:   300;
  --z-toast:   400;
}