.qrcode-input-section {
    max-width: 800px;
    margin: 0 auto 30px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.qrcode-input-section .select-input {
    width: 100%;
    margin-bottom: 15px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.qrcode-input-section .input-area {
    width: 100%;
    min-height: 100px;
    margin-bottom: 20px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    resize: vertical;
}

.qrcode-options {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: calc(50% - 7.5px);
}

.option-group label {
    font-weight: 500;
    color: #333;
}

.option-group input,
.option-group select {
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.option-group input[type="color"] {
    padding: 2px;
    width: 100%;
    height: 40px;
}

.option-group input[type="file"] {
    padding: 5px;
}

.qrcode-output-section {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

#qrcodeOutput {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.btn {
    padding: 10px 20px;
    background: #4CAF50;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s;
}

.btn:disabled {
    background: #cccccc;
    cursor: not-allowed;
    opacity: 0.7;
}

.btn:hover {
    background: #45a049;
}

@media screen and (max-width: 768px) {
    .qrcode-input-section {
        padding: 15px;
    }

    .qrcode-options {
        grid-template-columns: 1fr;
    }

    .option-group {
        margin-bottom: 10px;
    }

    #qrcodeOutput {
        padding: 15px;
    }
}