* {
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  }
  
  body {
    margin: 0;
    padding: 0;
    background: #f5f5f5;
  }
  
  .container {
    max-width: 480px;
    margin: 40px auto;
    padding: 24px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  }
  
  h1 {
    margin-top: 0;
    margin-bottom: 12px;
  }
  
  p {
    margin-top: 0;
    margin-bottom: 20px;
    color: #555;
  }
  
  label {
    display: block;
    margin-bottom: 14px;
    font-size: 14px;
  }
  
  input, textarea {
    width: 100%;
    margin-top: 4px;
    padding: 8px 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font: inherit;
  }
  
  button {
    width: 100%;
    padding: 10px 14px;
    border-radius: 6px;
    border: none;
    font: inherit;
    cursor: pointer;
    background: #222;
    color: #fff;
    font-weight: 600;
  }
  
  button:hover {
    background: #333;
  }