Inline validation shake

<form class="validation-form" novalidate>
  <label for="email">Email</label
  ><input
    id="email"
    name="email"
    type="email"
    autocomplete="email"
    required
    aria-describedby="email-error"
  />
  <p id="email-error" class="validation-message" role="alert"></p>
  <button type="submit">
    Check email<svg viewBox="0 0 24 24" aria-hidden="true">
      <path d="M5 12h14m-5-5 5 5-5 5" />
    </svg>
  </button>
  <p class="validation-status" role="status"></p>
</form>

<script>
  const form = document.querySelector('.validation-form');
  const input = form.querySelector('input');
  const error = form.querySelector('.validation-message');
  const status = form.querySelector('.validation-status');
  let animation;
  input.addEventListener('input', () => {
    input.removeAttribute('aria-invalid');
    error.textContent = '';
    status.textContent = '';
  });
  form.addEventListener('submit', (event) => {
    event.preventDefault();
    animation?.cancel();
    const valid = input.validity.valid;
    input.setAttribute('aria-invalid', String(!valid));
    error.textContent = valid ? '' : 'Enter a valid email address.';
    status.textContent = valid ? 'Email format accepted.' : '';
    if (!valid) {
      input.focus();
      if (!matchMedia('(prefers-reduced-motion:reduce)').matches)
        animation = input.animate(
          [0, -6, 5, -3, 2, 0].map((x) => ({
            transform: 'translateX(' + x + 'px)',
          })),
          { duration: 320 },
        );
    }
  });
</script>

<style>
  .validation-form {
    display: grid;
    gap: 8px;
    max-width: 320px;
    font: 14px system-ui;
    color: var(--stage-ink, var(--ink, #252b34));
  }
  .validation-form input {
    min-height: 44px;
    padding: 10px 12px;
    box-sizing: border-box;
  }
  .validation-form button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    justify-self: start;
    min-height: 44px;
    padding: 0 16px 0 18px;
    border: 0;
    border-radius: 999px;
    background: var(--stage-ink, var(--ink, #252b34));
    color: var(--stage-bg, var(--bg, #f8f9fb));
    font: 500 13px/1 system-ui;
    cursor: pointer;
  }
  .validation-form button svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.6;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 180ms cubic-bezier(0.22, 1, 0.36, 1);
  }
  .validation-form button:hover svg {
    transform: translateX(3px);
  }
  .validation-form button:active svg {
    transform: translateX(1px);
  }
  .validation-form button:focus-visible {
    outline: 2px solid var(--stage-link, var(--brand-deep, #175bc5));
    outline-offset: 3px;
  }
  .validation-form input {
    border: 1px solid #68778c;
    border-radius: 4px;
  }
  .validation-form input[aria-invalid='true'] {
    border-color: #b42318;
  }
  .validation-message {
    min-height: 20px;
    margin: 0;
    color: #b42318;
  }
  @media (prefers-reduced-motion: reduce) {
    .validation-form input {
      animation: none;
    }
    .validation-form button svg {
      transition: none;
    }
  }
</style>