/* Business Card Generator Specific Styles */

.card-generator {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 30px 0;
    padding: 0 30px;
}

.input-panel,
.output-panel {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.input-panel h2,
.output-panel h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: border-color 0.3s;
    box-sizing: border-box;
    font-family: 'Noto Sans KR', sans-serif;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group select {
    background: var(--bg-white);
    cursor: pointer;
}

.color-picker-group {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 10px;
    align-items: center;
}

.color-picker-group input[type="color"] {
    width: 80px;
    height: 50px;
    padding: 5px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
}

.color-picker-group input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker-group input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}

.btn-primary {
    width: 100%;
    padding: 15px;
    background: var(--primary-color);
    color: var(--bg-white);
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-primary:hover {
    background: #1a1a1a;
}

.btn-secondary {
    padding: 10px 20px;
    background: var(--bg-light);
    color: var(--text-primary);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--bg-white);
}

/* Placeholder */
.placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: #999;
}

.placeholder svg {
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Business Card Preview */
.business-card {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    padding: 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    color: white;
    margin-bottom: 25px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.card-info h2 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 8px;
}

.card-info .title {
    font-size: 1.1rem;
    opacity: 0.95;
    margin-bottom: 4px;
}

.card-info .company {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 15px;
    font-weight: 500;
}

.contact-info {
    font-size: 0.9rem;
    line-height: 1.8;
}

.contact-info p {
    margin: 5px 0;
    opacity: 0.85;
}

.card-qr {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#qrcode {
    background: white;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}

#qrcode canvas,
#qrcode img {
    display: block;
}

.card-qr p {
    font-size: 0.85rem;
    text-align: center;
    opacity: 0.9;
}

/* Output Tabs */
.output-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 2px solid #e0e0e0;
}

.output-tab {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: #666;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.output-tab:hover {
    color: #2d2d2d;
}

.output-tab.active {
    color: #2d2d2d;
    border-bottom-color: #2d2d2d;
}

/* Output Content */
.output-section {
    display: none;
}

.output-section.active {
    display: block;
}

.output-section h4 {
    color: #2d2d2d;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.output-section textarea {
    width: 100%;
    min-height: 200px;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    resize: vertical;
    box-sizing: border-box;
}

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

/* QR Download Area */
.qr-download {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
    background: #f9f9f9;
    border: 2px dashed #ccc;
    border-radius: 8px;
    margin-bottom: 15px;
}

#qrCanvas {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Info Section */
.info-section {
    padding: 30px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.info-card {
    background: var(--bg-white);
    padding: 25px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
}

.info-card h3 {
    color: var(--text-primary);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Usage Guide */
.usage-guide {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    margin-top: 30px;
}

.usage-guide h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.usage-guide ol {
    padding-left: 25px;
}

.usage-guide li {
    margin-bottom: 15px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.usage-guide strong {
    color: var(--text-primary);
}

/* Tips Section */
.tips-section {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    margin-top: 30px;
}

.tips-section h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.tips-section ul {
    list-style: none;
    padding: 0;
}

.tips-section li {
    padding: 15px;
    margin-bottom: 12px;
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 6px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.tips-section strong {
    color: var(--text-primary);
    display: block;
    margin-bottom: 5px;
}

/* FAQ Section */
.faq-section {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    margin-top: 30px;
}

.faq-section h3 {
    color: var(--text-primary);
    margin-bottom: 25px;
    font-size: 1.4rem;
}

.faq-item {
    padding: 20px;
    margin-bottom: 15px;
    background: var(--bg-light);
    border-radius: var(--radius);
}

.faq-item h4 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin: 0;
}

/* SEO Content */
.seo-content {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    margin-top: 30px;
}

.seo-content h3 {
    color: var(--text-primary);
    margin-bottom: 20px;
    font-size: 1.4rem;
}

.seo-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

/* Success Message */
.success-message {
    padding: 15px 20px;
    background: #4caf50;
    color: white;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .card-generator {
        grid-template-columns: 1fr;
        padding: 0 20px;
    }
    
    .business-card {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .card-qr {
        margin-top: 20px;
    }
    
    .info-section {
        padding: 20px;
    }
}

@media (max-width: 768px) {
    .container header h1 {
        font-size: 2rem;
    }
    
    .container header .subtitle {
        font-size: 1rem;
    }
    
    .card-generator {
        padding: 0 15px;
    }
    
    .input-panel,
    .output-panel {
        padding: 20px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .business-card {
        padding: 20px;
    }
    
    .card-info h2 {
        font-size: 1.5rem;
    }
    
    .button-group {
        flex-direction: column;
    }
    
    .btn-secondary {
        width: 100%;
    }
    
    .output-tabs {
        flex-wrap: wrap;
    }
    
    .output-tab {
        flex: 1;
        min-width: 100px;
        font-size: 0.9rem;
        padding: 10px 15px;
    }
    
    .info-section {
        padding: 15px;
    }
}