:root {
  /* Color palette */
  --color-primary: #0f766e;
  --color-primary-dark: #115e59;
  --color-primary-foreground: #f0fdf4;
  --color-success: #22c55e;
  --color-warning: #facc15;
  --color-danger: #dc2626;
  --color-info: #0ea5e9;
  --color-surface: #ffffff;
  --color-background: #f5f8fb;
  --color-border: #e2e8f0;
  --color-muted: #94a3b8;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Typography */
  --font-family-sans: "Inter", "Segoe UI", "Noto Sans", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;

  /* Spacing & radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 0.75rem; /* 12px - matches Tailwind rounded-xl */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;

  /* Layout breakpoints */
  --breakpoint-mobile: 640px;
  --breakpoint-tablet: 1024px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family-sans);
  font-size: var(--text-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-gray-900);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-gray-900);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
}

p {
  color: var(--color-gray-700);
}

button, input, select, textarea {
  font: inherit;
}