/* 自定义样式 */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

textarea {
  transition: all 0.3s ease;
}

textarea:focus {
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
}

button {
  transition: all 0.3s ease;
}

.result-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 200px;
  gap: 12px;
}

.result-loading svg {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* 响应式优化 */
@media (max-width: 768px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  header {
    padding: 1rem 0;
  }

  main {
    padding: 1.5rem 0;
  }
}