:root {
      --primary-color: #ea580c;
      --secondary-color: #ee6e01;
      --background-color: #fff7ed;
      --text-light: #ffffff;
      --text-dark: #0f172a;
      --border-radius: 2rem;
      --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: system-ui, -apple-system, sans-serif;
    }

    body {
      background-color: var(--background-color);
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      color: var(--text-dark);
    }

    .header1 {
      background-color: var(--primary-color);
      padding: 1.5rem;
      text-align: center;
      color: var(--text-light);
    }

    .header1 h1 {
      font-size: 2rem;
      margin-bottom: 0.5rem;
    }

    .container3 {
      width: min(90%, 600px);
      margin: 2rem auto;
      background-color: white;
      padding: 2rem;
      border-radius: var(--border-radius);
      box-shadow: var(--shadow);
    }

    .form-group {
         border: 1px solid #ee6e01;
        border-radius: 4px;
    }

    .input-field {
      width: 100%;
      padding: 0.75rem;
      border: 1px solid #ee6e01;
      border-radius: 4px;
    }

    .help-text {
      font-size: 0.875rem;
      color: #64748b;
      margin-top: 0.5rem;
    }

    .button {
      display: block;
      width: 100%;
      padding: 0.875rem;
      background-color: var(--primary-color);
      color: var(--text-light);
      border: none;
      border-radius: var(--border-radius);
      font-size: 1rem;
      font-weight: 500;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }

    .button:hover {
      background-color: var(--secondary-color);
    }

    #map {
      height: 300px;
      margin-top: 1.5rem;
      border-radius: var(--border-radius);
      overflow: hidden;
    }

    #result {
      margin: 1rem 0;
      padding: 0.75rem;
      border-radius: var(--border-radius);
      background-color: #f1f5f9;
    }

    @media (max-width: 640px) {
      .container {
        width: 95%;
        padding: 1rem;
      }
    }