:root {
  /* ===== Primary Token Scale ===== */
  --token-primary-50:  #ebf4ff;
  --token-primary-100: #d6eaff;
  --token-primary-200: #b3d7ff;
  --token-primary-300: #8cc4ff;
  --token-primary-400: #66b0ff;
  --token-primary-500: #007bff;
  --token-primary-600: #006ce0; /* hover */
  --token-primary-700: #005dc2; /* active */
  --token-primary-800: #004fa3;
  --token-primary-900: #004085;

  /* ===== RGB ===== */
  --rgb-primary: 0 123 255;
  --gradient-primary-start: var(--token-primary-500);
  --gradient-primary-end: var(--token-primary-300);

  /* ===== Usage ===== */
  --color-primary: var(--token-primary-500);
  --color-on-primary: #FFFFFF;

  --btn-primary-text: var(--color-on-primary);
  --btn-primary-bg: var(--token-primary-500);
  --btn-primary-border: var(--token-primary-500);
  --btn-primary-bg-hover: var(--token-primary-600);
  --btn-primary-bg-active: var(--token-primary-700);

  --btn-link-text: var(--token-primary-500);
  --btn-link-text-hover: var(--token-primary-700);

  /* Focus ring */
  --state-focus-ring-size: .2rem;
  --state-focus-ring-opacity: .5;
}