.qrcode-simple-container {
    --primary: #3498db;
    --dark: #2c3e50;
    --light: #ecf0f1;
    --success: #27ae60;
    --error: #e74c3c;
    --gray: #95a5a6;
    --border: #bdc3c7;
    --shadow: rgba(0, 0, 0, 0.1);
    /*max-width: 800px;
    margin: 0 0 40px 0;
    */
    margin: 5px 5px;
}

.qrcode-simple-card {
    background: white;
    /*border-radius: 16px;
    box-shadow: 0 10px 30px var(--shadow);
	*/
    overflow: hidden;
    transition: transform 0.3s ease;
}

.qrcode-simple-card:hover {
    /*transform: translateY(-5px);*/
}

.qrcode-simple-header {
    background: var(--primary);
    color: white;
    padding: 15px 20px;
    text-align: center;
}

.qrcode-simple-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin: 0;
}

.qrcode-simple-body {
    /*padding: 20px;
	padding: 20px 180px;
	*/
	padding: 1px;
	
}

.qrcode-simple-form-group {
    margin-bottom: 20px;
}

.qrcode-simple-form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 1rem;
}

.qrcode-simple-input-group {
    position: relative;
}

.qrcode-simple-input-group input {
    width: 100%;
    padding: 12px 15px;
    font-size: 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.3s;
}

.qrcode-simple-input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.qrcode-simple-input-group input.error {
    border-color: var(--error);
}

.qrcode-simple-error-message {
    color: var(--error);
    font-size: 0.85rem;
    margin-top: 8px;
    display: none;
}

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

.qrcode-simple-color-options, .qrcode-simple-format-options {
    flex: 1;
    min-width: 200px;
}

.qrcode-simple-color-options h4, .qrcode-simple-format-options h4 {
    margin-bottom: 10px;
    font-size: 1rem;
}

.qrcode-simple-color-switcher {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-left: 10px;
}

.qrcode-simple-color-option {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid white;
    box-shadow: 0 2px 5px var(--shadow);
    transition: transform 0.2s, box-shadow 0.2s;
}

.qrcode-simple-color-option:hover {
    transform: scale(1.1);
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.qrcode-simple-color-option.active {
    transform: scale(1.15);
    box-shadow: 0 0 0 2px white, 0 0 0 4px var(--primary);
}

.qrcode-simple-format-select {
    width: 160px;
    /*padding: 10px 12px;*/
    border: 1px solid var(--border);
    border-radius: 4px;
    background: white;
    font-size: 16px;
    cursor: pointer;
    transition: border-color 0.3s;
}

.qrcode-simple-format-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.qrcode-simple-button-group {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.qrcode-simple-btn {
    /*padding: 12px 20px;*/
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    /*flex: 1;*/
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.qrcode-simple-btn-primary {
    background: var(--primary);
    color: white;
}

.qrcode-simple-btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
}

.qrcode-simple-btn-secondary {
    background: var(--light);
    color: var(--dark);
}

.qrcode-simple-btn-secondary:hover {
    background: #d5dbdb;
    transform: translateY(-2px);
}

.qrcode-simple-btn-success {
    background: var(--success);
    color: white;
}

.qrcode-simple-btn-success:hover {
    background: #219653;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(39, 174, 96, 0.4);
}

.qrcode-simple-preview {
    text-align: center;
    margin: 25px 0;
    display: none;
}

.qrcode-simple-image-container {
    background: white;
    border-radius: 10px;
    padding: 15px;
    margin: 0 auto 20px;
    max-width: 200px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    display: none;
}

.qrcode-simple-image-container.active {
    display: block;
}

.qrcode-simple-image {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}

.qrcode-simple-instructions {
    text-align: center;
    color: var(--gray);
    font-size: 0.85rem;
    margin-top: 10px;
}

@media (max-width: 600px) {
    .qrcode-simple-card {
        border-radius: 12px;
    }
    
    .qrcode-simple-header {
        padding: 12px;
    }
    
    .qrcode-simple-header h3 {
        font-size: 1.3rem;
    }
    
    .qrcode-simple-body {
        padding: 15px;
    }
    
    .qrcode-simple-options-group {
        flex-direction: column;
        gap: 15px;
    }
    
    .qrcode-simple-button-group {
        flex-direction: column;
    }
    
    .qrcode-simple-btn {
        width: 100%;
    }
}