/* QR Code Generator Tool Specific Styles */

.qr-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.option-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
}

.option-group select,
.option-group input[type="color"] {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--background-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s ease;
}

.option-group select:focus,
.option-group input[type="color"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.option-group input[type="color"] {
    height: 40px;
    cursor: pointer;
}

.qr-preview {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    background-color: var(--background-color);
    border-radius: 8px;
    margin: 1rem 0;
    border: 1px solid var(--border-color);
}

#qrCanvas {
    max-width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 4px 12px var(--shadow-color);
}

#qrContent {
  border: 2px dotted #22c55e !important;
  min-height: 120px !important;
  font-size: 1.1rem;
  padding: 1.2rem 1rem;
  border-radius: 10px;
  transition: border-color 0.2s;
  resize: vertical;
}

.qr-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.qr-actions .download-button {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.qr-actions .download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(220, 38, 38, 0.3);
}

.copy-btn {
    background: linear-gradient(135deg, var(--success-color), #059669);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #ffffff;
    animation: spin 1s ease-in-out infinite;
    margin-right: 8px;
    vertical-align: middle;
}

/* Alternative loading spinner with emoji */
.loading:contains("⏳") {
    animation: pulse 1.5s ease-in-out infinite;
    font-size: 14px;
    border: none;
    width: auto;
    height: auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* QR Examples Section */
.qr-examples {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid var(--border-color);
}

.qr-examples h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.example-item {
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

.example-item h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.example-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    word-break: break-all;
    max-height: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.example-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s ease;
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
}

.example-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(220, 38, 38, 0.3);
}

/* How to Use Section */
.how-to-use {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid var(--border-color);
}

.how-to-use h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.how-to-use ol {
    padding-left: 1.5rem;
}

.how-to-use li {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.how-to-use strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Why Choose Section */
.why-choose {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid var(--border-color);
}

.why-choose h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.why-choose .features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.why-choose .feature {
    text-align: center;
    padding: 1rem;
}

.why-choose .feature h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.why-choose .feature p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    background-color: var(--surface-color);
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid var(--border-color);
}

.faq h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.faq-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.faq-item h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {
    .qr-options {
        grid-template-columns: 1fr;
    }
    
    .qr-actions {
        flex-direction: column;
    }
    
    .qr-actions .download-button,
    .copy-btn {
        width: 100%;
    }
    
    .examples-grid {
        grid-template-columns: 1fr;
    }
    
    .why-choose .features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .how-to-use,
    .why-choose,
    .faq,
    .qr-examples {
        padding: 1.5rem;
    }
    
    .qr-preview {
        padding: 1rem;
    }
    
    #qrCanvas {
        max-width: 200px;
    }
}