.form-group input:focus {
  outline: none;
  border-bottom-color: #333;
}

.message {
  padding: 12px;
  border-radius: 8px;
  margin-top: 15px;
  text-align: center;
  font-weight: 500;
}

.message.success {
  background-color: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.message.error {
  background-color: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.loading {
  display: none;
  text-align: center;
  margin-top: 10px;
}

.spinner {
  border: 3px solid #f3f3f3;
  border-top: 3px solid #d4af37;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@media (max-width: 600px) {
  .playlist-form-container {
    margin: 0 10px;
    padding: 15px;
  }
}