OAuth Buttons

<div class="nuda-oauth">
  <button class="nuda-oauth__btn nuda-oauth__btn--google">
    <svg viewBox="0 0 48 48"><!-- Google logo paths --></svg>
    Continue with Google
  </button>
  <button class="nuda-oauth__btn nuda-oauth__btn--gh">
    <svg viewBox="0 0 24 24" fill="currentColor"><!-- GitHub mark --></svg>
    Continue with GitHub
  </button>
</div>

.nuda-oauth {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 280px;
}

.nuda-oauth__btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px;
  color: #fafafa;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .2s,border-color .2s,transform .15s;
}

.nuda-oauth__btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform .35s cubic-bezier(.16,1,.3,1);
}

.nuda-oauth__btn:hover {
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.16);
  transform: translateY(-1px);
}

.nuda-oauth__btn:hover svg {
  transform: rotate(-12deg) scale(1.12);
}

.nuda-oauth__btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg,transparent 30%,rgba(255,255,255,.08) 50%,transparent 70%);
  transform: translateX(-100%);
  transition: transform .6s;
}

.nuda-oauth__btn:hover::after {
  transform: translateX(100%);
}

.nuda-oauth__btn--gh svg {
  color: #fafafa;
}

@media (prefers-reduced-motion:reduce) {
  .nuda-oauth__btn:hover svg {
    transform: none;
  }
  .nuda-oauth__btn::after {
    display: none;
  }
}