* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

h2 {
    margin-top: 15px;
    margin-bottom: 5px;
    color: #444;
}

.scanner-container {
    width: 100%;
    margin-bottom: 20px;
}

video {
    width: 100%;
    height: auto;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.result-container {
    margin-bottom: 20px;
}

textarea {
    width: 100%;
    height: 60px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: none;
    font-family: monospace;
    margin-bottom: 15px;
}

.controls {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

button {
    padding: 10px 15px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
    margin: 5px;
}

button:hover {
    background-color: #45a049;
}

button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

select {
    padding: 8px;
    border-radius: 4px;
    border: 1px solid #ddd;
    margin: 5px;
}