/* Base CSS for Data Ecosystem Tools
   Contains common CSS variables, reset styles, and base typography */

:root {
  /* Base colors */
  --primary: #4a6fa5;
  --primary-dark: #3a5a80;
  --primary-light: #63b3ed;
  --accent: #63b3ed;
  --success: #48bb78;
  --warning: #ed8936;
  --error: #f56565;
  --info: #4299e1;
  
  /* Primary Colors */
  --primary-50: #f0f9ff;
  --primary-100: #e0f2fe;
  --primary-200: #bae6fd;
  --primary-300: #7dd3fc;
  --primary-400: #38bdf8;
  --primary-500: #0ea5e9;
  --primary-600: #0284c7;
  --primary-700: #0369a1;
  --primary-800: #075985;
  --primary-900: #0c4a6e;
  
  /* Neutral Colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Semantic Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: #3b82f6;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  
  /* Transitions */
  --transition: all 0.2s ease-in-out;
}

/* Reset styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Base typography */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: all 0.3s ease;
  padding: 0;
  margin: 0;
  min-height: 100vh;
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  background: linear-gradient(90deg, var(--primary-400), var(--primary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  line-height: 1.2;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--primary-500);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-400);
}