.md4u-qrcg-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 30px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.md4u-qrcg-title {
    font-size: 24px;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 25px;
    text-align: center;
}

.md4u-qrcg-form-group {
    margin-bottom: 20px;
}

.md4u-qrcg-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #34495e;
}

.md4u-qrcg-input, .md4u-qrcg-select, .md4u-qrcg-textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.md4u-qrcg-input:focus, .md4u-qrcg-select:focus, .md4u-qrcg-textarea:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    outline: none;
}

.md4u-qrcg-textarea {
    min-height: 100px;
    resize: vertical;
}

.md4u-qrcg-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
}

.md4u-qrcg-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.md4u-qrcg-result-container {
    margin-top: 30px;
    text-align: center;
}

.md4u-qrcg-download {
    display: none;
    margin-top: 15px;
    background: #2ecc71;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}

.md4u-qrcg-download:hover {
    background: #27ae60;
}

/* Responsive */
@media (max-width: 600px) {
    .md4u-qrcg-container {
        padding: 20px;
    }
}