body {
            font-family: Arial, sans-serif;
            background-color: #f4f4f4;
            margin: 0;
            padding: 20px;
        }
        .container {
            max-width: 600px;
            background: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-group label {
            display: block;
            margin-bottom: 5px;
        }
        .form-group input {
            width: 100%;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 4px;
            box-sizing: border-box;
            font-size: 18px;
        }
        button {
            padding: 10px 15px;
            border: none;
            background-color: #28a745;
            color: #fff;
            border-radius: 4px;
            cursor: pointer;
            font-size: 18px;
        }
        button:hover {
            background-color: #218838;
        }
        .results {
            margin-top: 20px;
            max-height: 400px;
            overflow-y: auto;
        }
        .results table {
            width: 100%;
            border-collapse: collapse;
        }
        .results th, .results td {
            padding: 8px;
            border: 1px solid #ddd;
        }
        .results th {
            background-color: #f8f8f8;
        }
        .autocomplete-suggestions {
            border: 1px solid #ccc;
            background: #fff;
            position: absolute;
            max-height: 150px;
            overflow-y: auto;
            z-index: 1000;
        }
        .autocomplete-suggestion {
            padding: 10px;
            cursor: pointer;
        }
        .autocomplete-suggestion:hover {
            background-color: #f0f0f0;
        }
        #qr-reader {
            width: 100%;
            margin: 20px 0;
            display: none;
        }
        
        .button-group {
    display: flex;
    gap: 10px;
}

.button-group button {
    flex: 1;
}