body {
      font-family: 'Arial', sans-serif;
      background: linear-gradient(135deg, #000000 0%, #090141 100%);
      margin: 0;
      padding: 0;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100vh;
      color: #333;
    }

    .container {
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-radius: 15px;
      box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
      padding: 40px;
      max-width: 500px;
      width: 100%;
      margin: 20px;
      animation: fadeIn 1s ease-in-out;
    }

    @keyframes fadeIn {
      from { opacity: 0; transform: translateY(-20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    h2 {
      text-align: center;
      margin-bottom: 30px;
      font-size: 28px;
      font-weight: bold;
      color: #333;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    form {
      display: flex;
      flex-direction: column;
    }

    label {
      margin-bottom: 8px;
      font-weight: 600;
      color: #555;
    }

    input, textarea {
      padding: 15px;
      margin-bottom: 20px;
      border: none;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.8);
      box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
      font-size: 16px;
      color: #333;
      transition: box-shadow 0.3s ease, transform 0.2s ease;
    }

    input:focus, textarea:focus {
      outline: none;
      box-shadow: inset 0 4px 8px rgba(0, 0, 0, 0.15), 0 0 10px rgba(102, 126, 234, 0.3);
      transform: scale(1.02);
    }

    textarea {
      resize: vertical;
      min-height: 120px;
    }

    button {
      padding: 15px 30px;
      border: none;
      border-radius: 8px;
      background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      color: white;
      font-size: 16px;
      font-weight: bold;
      cursor: pointer;
      transition: background 0.3s ease, transform 0.2s ease;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    button:hover {
      background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
      transform: translateY(-2px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    button:active {
      transform: translateY(0);
    }

    /* Responsivo */
    @media (max-width: 600px) {
      .container {
        padding: 30px;
        margin: 10px;
      }
      h2 {
        font-size: 24px;
      }
      input, textarea, button {
        padding: 12px;
      }
    }