.btn {
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-lg);
  font-weight: 400;
  transition: all 300ms ease-in-out;
}

.btn__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition:
    color 300ms ease-in-out,
    background-color 300ms ease-in-out;
}

.btn__icon-arrow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: color 300ms ease-in-out;
}

.btn--sm {
  padding: 0.25rem 0.25rem 0.25rem 0.875rem;
  gap: 0.375rem;
  font-size: var(--font-xs);
}

.btn--sm .btn__icon {
  padding: 0.75rem;
  border-radius: var(--radius-md);
  margin-left: 0.5rem;
}

.btn--md {
  padding: 0.25rem 0.25rem 0.25rem 1rem;
  gap: 0.5rem;
  font-size: var(--font-sm);
}

.btn--md .btn__icon {
  padding: 0.875rem;
  margin-left: 0.5rem;
  border-radius: var(--radius-md);
}

.btn--lg {
  padding: 0.25rem 0.25rem 0.25rem 1rem;
  gap: 0.625rem;
  font-size: var(--font-base);
}

.btn--lg .btn__icon {
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-left: 0.375rem;
}

.btn__spinner {
  display: none;
  width: 0.875rem;
  height: 0.875rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  border-top-color: #ffffff;
  animation: btn-spinner-spin 0.6s linear infinite;
  position: absolute;
}

@keyframes btn-spinner-spin {
  to {
    transform: rotate(360deg);
  }
}

.btn--loading {
  pointer-events: none !important;
  opacity: 0.8;
}

.btn--loading .btn__icon-arrow,
.btn--loading .btn__icon-arrow--hover {
  opacity: 0 !important;
  display: none;
}

.btn--loading .btn__spinner {
  display: block;
}