/*
 * Momo Review — Buttons
 * Port từ React src/index.css (lines 70-110).
 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  border: none;
  gap: 8px;
  text-decoration: none;
  cursor: pointer;
  line-height: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #ff6b8b);
  color: white;
  box-shadow: 0 4px 15px rgba(255, 140, 163, 0.4);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 140, 163, 0.6);
  color: white;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover,
.btn-outline:focus {
  background: var(--primary-light);
  color: white;
  border-color: var(--primary-light);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.125rem;
}