body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f0f8ff;
}

header {
    background: #0077b6;
    color: white;
    padding: 10px;
    text-align: center;
}

header .logo {
    height: 50px;
    vertical-align: middle;
}

.controls {
    text-align: center;
    margin: 20px;
}

.test-area {
    display: flex;
    justify-content: space-around;
    padding: 20px;
}

.left-box, .right-box {
    width: 45%;
    padding: 20px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

form label {
    display: block;
    margin-bottom: 10px;
}

form input {
    width: 100%;
    padding: 5px;
}

button {
    background: #0077b6;
    color: white;
    padding: 8px 15px;
    border: none;
    cursor: pointer;
}

button:hover {
    background: #005f87;
}

footer {
    background: #0077b6;
    color: white;
    padding: 10px;
    text-align: center;
}
 #resultModal {
      display: none; 
      position: fixed;
      z-index: 1000;
      left: 0; top: 0;
      width: 100%; height: 100%;
      background-color: rgba(0,0,0,0.5);
  }
  #resultContent {
      background: #fff;
      margin: 15% auto;
      padding: 20px;
      width: 350px;
      border-radius: 10px;
      text-align: center;
      box-shadow: 0px 4px 8px rgba(0,0,0,0.3);
  }
  #closeBtn {
      margin-top: 10px;
      padding: 8px 15px;
      border: none;
      background: #007bff;
      color: white;
      border-radius: 5px;
      cursor: pointer;
  }