body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #f4f7f6;
    margin: 0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    gap: 30px;
}

.main-title {
    color: #333;
    text-align: center;
}

.container {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    max-width: 900px;
    width: 100%;
}

.form-container, .qr-container {
    flex: 1;
    min-width: 300px;
}

h1, h2 {
    color: #333;
    border-bottom: 2px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #555;
}

input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    box-sizing: border-box;
    margin-bottom: 20px;
    font-size: 1rem;
}

textarea {
    resize: vertical;
}

button {
    background-color: #007bff;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

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

.qr-container {
    text-align: center;
}

.qr-container p {
    color: #666;
    margin-bottom: 20px;
}

#qrcode {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
    background: #fff;
    border: 1px solid #eee;
    border-radius: 8px;
    display: inline-block;
}