.App {
  min-height: 100vh;
  background-color: #f5f5f5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  padding: 24px;
  margin-bottom: 20px;
}

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
}

.btn-primary {
  background-color: #1890ff;
  color: white;
}

.btn-primary:hover {
  background-color: #40a9ff;
}

.btn-secondary {
  background-color: #f0f0f0;
  color: #333;
}

.btn-secondary:hover {
  background-color: #d9d9d9;
}

.input {
  width: 100%;
  padding: 10px;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  font-size: 14px;
}

.input:focus {
  outline: none;
  border-color: #1890ff;
}

.error-message {
  color: #ff4d4f;
  margin-top: 8px;
  font-size: 14px;
}

.success-message {
  color: #52c41a;
  margin-top: 8px;
  font-size: 14px;
}