@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Space+Grotesk:wght@600;700;800&display=swap');

:root {
  /* DARK MODE (default) */
  --color-bg: #0A0C0B;
  --color-surface: #111714;       /* cards, nav, header/footer background */
  --color-border: #1E3028;
  --color-border-emerald: #1E3028;
  --color-accent: #059669;        /* primary buttons, links */
  --color-accent-hover: #34D399;  /* hover state, icon highlights */
  --color-accent-deep: #064E3B;   /* badge backgrounds */
  --color-premium: #F59E0B;       /* gold accent - premium/upgrade only */
  --color-premium-bg: #3D2606;
  --color-premium-text: #FBBF24;
  --color-text-primary: #ECFDF5;
  --color-text-muted: #4B8C6E;
  --color-badge-free-bg: #1B2E24;
  --color-badge-free-text: #34D399;
  
  /* Layout and Tokens */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 10px 30px -10px rgba(5, 150, 105, 0.25), 0 0 15px rgba(5, 150, 105, 0.05);
  
  --transition-speed: 200ms;
  --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
  
  --max-width: 1280px;
}

[data-theme="light"] {
  /* LIGHT MODE - Refined high-contrast neutral gray/white base */
  --color-bg: #F9FAFB;
  --color-surface: #FFFFFF;
  --color-border: #E5E7EB;
  --color-border-emerald: #A7F3D0;
  --color-accent: #059669;
  --color-accent-hover: #065F46;  /* deep emerald for hover in light mode */
  --color-accent-deep: #022C22;
  --color-premium: #D97706;
  --color-premium-bg: #FEF3C7;
  --color-premium-text: #92400E;
  --color-text-primary: #111827;  /* High contrast dark neutral */
  --color-text-muted: #4B5563;     /* Muted neutral instead of green */
  --color-badge-free-bg: #D1FAE5;
  --color-badge-free-text: #065F46;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-glow: 0 10px 30px -10px rgba(5, 150, 105, 0.12);
}