* {
      box-sizing: border-box;
      font-family: 'Segoe UI', sans-serif;
    }

    body {
      margin: 0;
      padding: 0;
      background: linear-gradient(135deg, #667eea, #764ba2);
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
    }

    .form-container {
      background-color: #fff;
      padding: 30px;
      border-radius: 20px;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
      width: 100%;
      max-width: 400px;
    }

    h2 {
      text-align: center;
      color: #333;
      margin-bottom: 25px;
    }

    .input-group {
      position: relative;
      margin-bottom: 18px;
    }

    .input-group i {
      position: absolute;
      top: 50%;
      left: 10px;
      transform: translateY(-50%);
      color: #aaa;
    }

    input {
      width: 100%;
      padding: 12px 12px 12px 35px;
      border: 1px solid #ccc;
      border-radius: 10px;
      font-size: 15px;
      transition: 0.3s;
    }

    input:focus {
      border-color: #667eea;
      outline: none;
      box-shadow: 0 0 5px #667eea50;
    }

    button {
      width: 100%;
      padding: 12px;
      background-color: #667eea;
      color: white;
      font-weight: bold;
      border: none;
      border-radius: 10px;
      font-size: 16px;
      transition: background-color 0.3s;
      cursor: pointer;
    }

    button:hover {
      background-color: #556cd6;
    }

    .footer {
      text-align: center;
      font-size: 14px;
      color: #666;
      margin-top: 15px;
    }

    @media (max-width: 480px) {
      .form-container {
        padding: 20px;
      }
    }