/* NodeCore Design System - Shared Variables */
:root {
  /* Dark Mode (Default) */
  --bg-primary: #0a0b0f;
  --bg-surface: #13151c;
  --bg-elevated: #1a1d27;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --border: #1e293b;
  --shadow: 0 4px 24px rgba(0,0,0,0.5);
  --shadow-hover: 0 8px 32px rgba(99, 102, 241, 0.2);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --nav-height: 64px;
  --radius: 12px;
  --radius-sm: 8px;

  /* Transitions */
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

body.light {
  --bg-primary: #f1f5f9;
  --bg-surface: #ffffff;
  --bg-elevated: #f8fafc;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #64748b;
  --border: #e2e8f0;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 4px 20px rgba(99, 102, 241, 0.15);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 300ms ease, color 300ms ease;
}