:root {
  /* Core Brand Colors */
  --color-primary: #1dbf73;
  --color-primary-hover: #19a463;
  --color-primary-light: #e7f7ef;
  --color-secondary: #00d9ff;

  /* Semantic Colors - Default Dark Mode (Matching current design) */
  --bg-body: #0a0e27;
  --bg-surface: #0f1429;
  --bg-surface-2: rgba(255, 255, 255, 0.03);
  --bg-glass: rgba(10, 14, 39, 0.95);

  --text-primary: #ffffff;
  --text-secondary: #a0a8c0;
  --text-muted: #6b7280;
  --text-on-primary: #ffffff;

  --border-color: rgba(29, 191, 115, 0.2);
  --border-color-hover: rgba(29, 191, 115, 0.4);

  --shadow-color: rgba(0, 0, 0, 0.3);
  --glow-color: rgba(29, 191, 115, 0.4);

  /* Typography */
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  /* Spacing & Layout */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --container-width: 1200px;
  --header-height: 80px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Overrides */
[data-theme="light"] {
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-2: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.95);

  --text-primary: #1e293b;
  --text-secondary: #475569;
  --text-muted: #94a3b8;

  --border-color: rgba(29, 191, 115, 0.2);
  --border-color-hover: rgba(29, 191, 115, 0.5);

  --shadow-color: rgba(148, 163, 184, 0.15);
  --glow-color: rgba(29, 191, 115, 0.25);
}

/* Helper Utilities */
.hidden {
  display: none !important;
}