/* design-tokens.css */

:root {
  /* =========================================================================
     Colors | Modern Palette
     ========================================================================= */
  
  /* Primary Brand (Deep Blue/Indigo) */
  --color-primary-50:  #eef2ff;
  --color-primary-100: #e0e7ff;
  --color-primary-200: #c7d2fe;
  --color-primary-300: #a5b4fc;
  --color-primary-400: #818cf8;
  --color-primary-500: #6366f1; /* Main Brand Color */
  --color-primary-600: #4f46e5;
  --color-primary-700: #4338ca;
  --color-primary-800: #3730a3;
  --color-primary-900: #312e81;

  /* Secondary/Accent (Soft Coral/Pink) */
  --color-accent-50:  #fff1f2;
  --color-accent-500: #fb7185;
  --color-accent-600: #f43f5e;

  /* Neutral / Surface */
  --color-surface-white: #ffffff;
  --color-surface-50:    #f8fafc; /* Page Background */
  --color-surface-100:   #f1f5f9;
  --color-surface-200:   #e2e8f0; /* Borders */
  --color-surface-300:   #cbd5e1;
  --color-surface-400:   #94a3b8; /* Hints */
  --color-surface-500:   #526177; /* Secondary Text - darkened for contrast */
  --color-surface-600:   #475569;
  --color-surface-700:   #334155;
  --color-surface-800:   #1e293b; /* Primary Text */
  --color-surface-900:   #0f172a;

  /* Feedback */
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error:   #ef4444;
  --color-info:    #3b82f6;

  /* Semantic Map */
  --color-bg-body:       var(--color-surface-50);
  --color-bg-card:       var(--color-surface-white);
  --color-text-main:     var(--color-surface-800);
  --color-text-muted:    var(--color-surface-500);
  --color-border:        var(--color-surface-200);
  --color-brand:         var(--color-primary-600);
  --color-brand-hover:   var(--color-primary-700);

  /* =========================================================================
     Typography | Google Fonts (Inter)
     ========================================================================= */
  --font-family-base: 'Inter', system-ui, -apple-system, sans-serif;
  
  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */

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

  /* =========================================================================
     Spacing
     ========================================================================= */
  --space-2xs: 0.25rem; /* 4px */
  --space-xs:  0.5rem;  /* 8px */
  --space-sm:  0.75rem; /* 12px */
  --space-md:  1rem;    /* 16px */
  --space-lg:  1.5rem;  /* 24px */
  --space-xl:  2rem;    /* 32px */
  --space-2xl: 3rem;    /* 48px */
  --space-3xl: 4rem;    /* 64px */

  /* =========================================================================
     Effects (Radius, Shadows, Transitions)
     ========================================================================= */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-focus: 0 0 0 3px var(--color-primary-200);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}