* {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: 'Poppins', sans-serif;
      background: linear-gradient(to bottom right, #5a84f8, #ffffff);
      color: #333;
      display: flex;
      flex-direction: column;
      align-items: center;
      padding: 2em 1em;
    }

    h1 {
      font-size: 2.5rem;
      color: #333;
      margin-bottom: 1em;
    }

    /* Input Card */
    .input-card {
      background: rgba(255, 255, 255, 0.6);
      backdrop-filter: blur(8px);
      padding: 1.5em;
      border-radius: 20px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      justify-content: center;
      align-items: center;
      margin-bottom: 1em;
      width: 100%;
      max-width: 700px;
    }

    input {
      padding: 0.75em;
      margin: 0.5em;
      width: 500px;
      border-radius: 8px;
      border: 1px solid #ccc;
      font-size: 1em;
      transition: border 0.2s ease-in-out;
    }

    input:focus {
      border: 1px solid #007BFF;
      outline: none;
    }    

    button {
      padding: 0.8em 1.4em;
      margin: 0.5em;
      font-size: 1em;
      border: none;
      background-color: #007BFF;
      color: white;
      border-radius: 6px;
      cursor: pointer;
      transition: background-color 0.2s ease-in-out;
    }

    button:hover {
      background-color: #0056b3;
    }

    #midpointAddress {
      margin-top: 0.5em;
      font-size: 1.1em;
      font-weight: 500;
      color: #333;
      text-align: center;
    }

    .travelTime {
      text-align: center;
    }

    #map {
      width: 100%;
      height: 70vh;
      max-width: 1000px;
      border-radius: 20px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
      margin-top: 1.5em;
    }

    #cafesBtn:disabled {
        background-color: gray;
        cursor: not-allowed;
      }

      .radius-select-container {
        margin-top: 1em;
        margin-bottom: 1em;
        display: flex;
        align-items: center;
        justify-content: center;
      }
      
      .radius-select-container label {
        font-weight: bold;
        margin-right: 10px;
        color: #333;
      }
      
      #radiusSelect {
        padding: 6px 8px;
        border: 1px solid #ccc;
        border-radius: 6px;
        background-color: #fff;
        font-size: 14px;
        transition: border-color 0.3s ease, box-shadow 0.3s ease;
        cursor: pointer;
      }
      
      #radiusSelect:hover {
        border-color: #4CAF50;
        box-shadow: 0 0 5px rgba(76, 175, 80, 0.2);
      }
      
      #radiusSelect:focus {
        outline: none;
        border-color: #4CAF50;
        box-shadow: 0 0 8px rgba(76, 175, 80, 0.4);
      }

    @media (max-width: 600px) {
      input {
        width: 90%;
      }
      .input-card {
        flex-direction: column;
      }
      button {
        width: 90%;
      }
    }