.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-family: var(--ff-base);
  font-weight: 600;
  font-size: var(--fs-base);
  line-height: 1.2;
  text-align: center;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.btn--primary {
  background: var(--c-primary);
  color: var(--c-text-inverse);
}

.btn--primary:hover {
  background: #2c1b18;
  color: var(--c-text-inverse);
}

.btn--secondary {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}

.btn--secondary:hover {
  background: var(--c-bg-alt);
  color: var(--c-primary);
}

.btn--light {
  background: var(--c-bg);
  color: var(--c-primary);
}

.btn--light:hover {
  background: var(--c-surface);
  color: var(--c-primary);
}

.btn--block {
  width: 100%;
}

.btn:disabled,
.btn.is-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn .btn__spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}

.htmx-request.btn .btn__spinner,
.btn.is-loading .btn__spinner {
  display: inline-block;
}

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