/* Transition and Animation Tokens */
:root {
  /* Durations */
  --duration-instant: 100ms;
  --duration-fast: 150ms;
  --duration-normal: 200ms;
  --duration-slow: 300ms;
  --duration-slower: 400ms;

  /* Easing curves */
  --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-in-out-expo: cubic-bezier(0.87, 0, 0.13, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Composed transitions */
  --transition-fast: var(--duration-fast) var(--ease-out);
  --transition-normal: var(--duration-normal) var(--ease-out);
  --transition-slow: var(--duration-slow) var(--ease-out);
  --transition-bounce: var(--duration-normal) var(--ease-spring);
  --transition-transform: transform var(--duration-normal) var(--ease-out);
  --transition-shadow: box-shadow var(--duration-normal) var(--ease-out);
  --transition-colors: color var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}