@knadh/oat/css/animations.css

Ultra-lightweight, zero dependency, semantic HTML/CSS/JS UI library

@layer animations {
  @media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
      scroll-behavior: auto !important;
    }
  }

  /* Pop-in animation for modals/overlays - swings from above */
  .animate-pop-in {
    opacity: 1;
    transform: perspective(1000px) rotateX(0deg) translateZ(0);
    transition:
      opacity 150ms cubic-bezier(0.4, 0, 0.2, 1),
      transform 150ms cubic-bezier(0.4, 0, 0.2, 1),
      overlay 150ms cubic-bezier(0.4, 0, 0.2, 1) allow-discrete,
      display 150ms cubic-bezier(0.4, 0, 0.2, 1) allow-discrete;

    /* Entry - where to animate FROM */
    @starting-style {
      opacity: 0;
      transform: perspective(1000px) rotateX(-15deg) translateZ(-80px);
    }

    /* Exit - where to animate TO when closing */
    &[data-state="closing"] {
      opacity: 0;
      transform: perspective(1000px) rotateX(-15deg) translateZ(-80px);
    }

    &[data-state="closing"]::backdrop {
      opacity: 0;
    }
  }

  /* Backdrop animation for dialogs */
  dialog::backdrop {
    opacity: 1;
    transition: opacity 150ms cubic-bezier(0.4, 0, 0.2, 1);

    @starting-style {
      opacity: 0;
    }
  }

  /* Slide-in animation for toasts */
  .animate-slide-in {
    opacity: 1;
    transform: translateX(0);
    transition:
      opacity 150ms cubic-bezier(0.16, 1, 0.3, 1),
      transform 150ms cubic-bezier(0.16, 1, 0.3, 1);

    /* Entry - slide in from right */
    @starting-style {
      opacity: 0;
      transform: translateX(100%);
    }

    /* Exit - slide out to right */
    &[data-state="closing"] {
      opacity: 0;
      transform: translateX(100%);
    }
  }
}