.tool-page {
    padding: var(--space-6) 0;
    min-height: calc(100vh - 64px);
}

.breadcrumb {
    max-width: 1200px;
    margin: 0 auto var(--space-6);
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 14px;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: var(--primary-blue);
}

.separator {
    color: var(--text-tertiary);
}

.tool-title {
    max-width: 1200px;
    margin: 0 auto var(--space-8);
    padding: 0 var(--space-6);
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
}

.tool-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: var(--space-6);
    align-items: start;
}

.tool-panel {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--space-6);
}

.panel-title {
    font-size: 18px;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-6);
}

.form-group {
    margin-bottom: var(--space-6);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.form-select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.length-display {
    text-align: center;
    font-size: 24px;
    font-weight: var(--font-semibold);
    color: var(--primary-blue);
    margin-bottom: var(--space-3);
}

.form-range {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: 4px;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-range:hover {
    background: var(--card-bg);
    border-color: var(--primary);
}

.form-range::-webkit-slider-track {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: var(--primary);
    border: 2px solid var(--card-bg);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
    background: var(--primary-hover);
}

.form-range::-moz-range-track {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: 4px;
}

.form-range::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--primary);
    border: 2px solid var(--card-bg);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.form-range::-moz-range-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
    background: var(--primary-hover);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-2);
    font-size: 12px;
    color: var(--text-tertiary);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.password-display {
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    margin-bottom: var(--space-8);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.password-display:hover {
    box-shadow: var(--shadow-md);
}

.password-text {
    font-size: 26px;
    font-family: 'Courier New', monospace;
    font-weight: var(--font-semibold);
    color: var(--primary);
    word-break: break-all;
    line-height: var(--line-height-relaxed);
    letter-spacing: 2px;
}

.password-actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.btn-icon {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.strength-indicator h3 {
    font-size: 16px;
    font-weight: var(--font-medium);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.strength-text {
    color: var(--success);
    font-weight: var(--font-semibold);
}

.strength-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--space-3);
}

.strength-fill {
    height: 100%;
    transition: width 0.3s ease;
}

.strength-very-strong {
    width: 100%;
    background: #10B981;
}

.strength-info {
    font-size: 14px;
    color: var(--text-secondary);
}

.history-section h3 {
    font-size: 16px;
    font-weight: var(--font-medium);
    margin-bottom: var(--space-4);
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.history-password {
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-secondary);
}

.security-notice {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--primary-blue-light);
    border-radius: 8px;
    margin-top: var(--space-8);
}

.security-notice svg {
    color: var(--primary-blue);
    flex-shrink: 0;
}

.security-notice p {
    font-size: 14px;
    color: var(--text-secondary);
}

.icon-button {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-tertiary);
}

.icon-button:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Modern flat design for password generator */
.tool-panel {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-normal);
}

.tool-panel:hover {
    box-shadow: var(--shadow-sm);
}

.btn-primary svg {
    color: white;
    transition: all var(--transition-fast);
}

.btn-secondary svg {
    color: var(--primary);
    transition: all var(--transition-fast);
}

.security-notice {
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-normal);
}

.security-notice svg {
    color: var(--primary);
    padding: var(--space-2);
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
}

.strength-indicator {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    color: var(--text-primary);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-normal);
}

.strength-indicator:hover {
    box-shadow: var(--shadow-sm);
}

.icon-button {
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-fast);
}

.icon-button svg {
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.icon-button:hover {
    background: var(--card-bg);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}

.icon-button:hover svg {
    color: var(--primary);
    transform: scale(1.1);
}

/* SEO Content Sections for Password Generator */
.password-features-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
}

.password-features-section .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-12);
}

.password-features-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.password-features-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.password-features-section .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.password-features-section .feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.password-features-section .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--success) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.password-features-section .feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.password-features-section .feature-card:hover::before {
    opacity: 0.02;
}

.password-features-section .feature-card > * {
    position: relative;
    z-index: 1;
}

.password-features-section .feature-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.password-features-section .feature-card:hover .feature-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.password-features-section .feature-title {
    font-size: 20px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.password-features-section .feature-description {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

.password-security-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
    transition: all var(--transition-normal);
}

.password-faq-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
}

.password-faq-section .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-12);
}

.password-faq-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.password-faq-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.password-faq-section .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.password-faq-section .faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.password-faq-section .faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--info) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.password-faq-section .faq-item:hover {
    border-color: var(--info);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.password-faq-section .faq-item:hover::before {
    opacity: 0.02;
}

.password-faq-section .faq-item > * {
    position: relative;
    z-index: 1;
}

.password-faq-section .faq-question {
    font-size: 16px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.password-faq-section .faq-answer {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

.security-tips-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.security-tip {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.security-tip::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--info) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.security-tip:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.security-tip:hover::before {
    opacity: 0.02;
}

.security-tip > * {
    position: relative;
    z-index: 1;
}

.tip-number {
    width: 48px;
    height: 48px;
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: var(--font-bold);
    color: var(--primary);
    margin-bottom: var(--space-5);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-normal);
}

.security-tip:hover .tip-number {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.tip-title {
    font-size: 18px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.tip-description {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

@media (max-width: 1024px) {
    .security-tips-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .password-features-section .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .password-faq-section .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .tool-container {
        grid-template-columns: 1fr;
    }
    
    .config-panel {
        order: 2;
    }
    
    .main-panel {
        order: 1;
    }
    
    .password-text {
        font-size: 18px;
    }
    
    .password-actions {
        flex-direction: column;
    }
    
    .password-actions button {
        width: 100%;
        justify-content: center;
    }
    
    .security-tips-grid {
        grid-template-columns: 1fr;
    }
    
    .password-features-section .features-grid {
        grid-template-columns: 1fr;
    }
    
    .password-faq-section .faq-grid {
        grid-template-columns: 1fr;
    }
}
/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease-out;
}

.modal-content {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    max-width: 400px;
    width: 90%;
    animation: slideIn 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-6) var(--space-6) 0;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: var(--space-4);
    margin-bottom: var(--space-4);
}

.modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
}

.modal-close {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    padding: 0 var(--space-6);
}

.modal-body p {
    margin: 0;
    color: var(--text-secondary);
    line-height: var(--line-height-relaxed);
}

.modal-footer {
    padding: var(--space-4) var(--space-6) var(--space-6);
    display: flex;
    justify-content: flex-end;
}

.modal-footer .btn-primary {
    min-width: 80px;
}

/* Toast Styles */
.toast {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: 1100;
    animation: slideInRight 0.3s ease-out;
}

.toast-content {
    background: var(--success);
    color: white;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-lg);
    font-weight: var(--font-medium);
}

.toast-icon {
    flex-shrink: 0;
}

/* Improved password display for dark mode */
.password-display {
    background: var(--card-bg);
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    margin-bottom: var(--space-8);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.password-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--info) 100%);
    opacity: 0.05;
    z-index: 0;
}

.password-display > * {
    position: relative;
    z-index: 1;
}

.password-display:hover {
    border-color: var(--primary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.password-text {
    font-size: 26px;
    font-family: 'Courier New', monospace;
    font-weight: var(--font-semibold);
    color: var(--primary);
    word-break: break-all;
    line-height: var(--line-height-relaxed);
    letter-spacing: 2px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Improved security notice */
.security-notice {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
}

.security-notice:hover {
    box-shadow: var(--shadow-sm);
}

.security-notice svg {
    color: var(--primary);
    padding: var(--space-2);
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
}

.security-notice p {
    color: var(--text-secondary);
    margin: 0;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideIn {
    from { 
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to { 
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes slideInRight {
    from { 
        opacity: 0;
        transform: translateX(100px);
    }
    to { 
        opacity: 1;
        transform: translateX(0);
    }
}


/* QR Generator Specific Styles */
.content-form {
    display: none;
}

.content-form.active {
    display: block;
}

.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    font-size: 16px;
    background: var(--bg-primary);
    color: var(--text-primary);
    resize: vertical;
    min-height: 80px;
    transition: all var(--transition-fast);
    font-family: inherit;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    font-size: 16px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.color-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.color-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.color-input-group label {
    font-size: 14px;
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.form-color {
    width: 100%;
    height: 40px;
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-color:hover {
    border-color: var(--primary);
}

.qr-display {
    background: var(--card-bg);
    border: 2px solid var(--primary);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    margin-bottom: var(--space-8);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--info) 100%);
    opacity: 0.05;
    z-index: 0;
}

.qr-display > * {
    position: relative;
    z-index: 1;
}

.qr-display:hover {
    border-color: var(--primary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    color: var(--text-secondary);
}

.qr-placeholder svg {
    color: var(--text-tertiary);
    opacity: 0.5;
}

.qr-placeholder p {
    margin: 0;
    font-size: 16px;
}

#qr-canvas {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.qr-actions button {
    justify-content: center;
}

/* QR code generated styles */
.qr-code-generated {
    display: inline-block;
    padding: var(--space-4);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.qr-code-generated canvas,
.qr-code-generated img {
    display: block;
    max-width: 100%;
    height: auto;
}

/* Select with icon */
.select-with-icon {
    position: relative;
    display: flex;
    align-items: center;
}

.select-icon {
    position: absolute;
    left: var(--space-3);
    pointer-events: none;
    color: var(--primary);
    z-index: 1;
    transition: all var(--transition-fast);
}

.select-with-icon .form-select {
    padding-left: calc(var(--space-3) + 28px);
}

/* UPI QR Generator Styles */
.required {
    color: var(--error);
}

.input-hint {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
}

.radio-label input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.advanced-options {
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid var(--card-border);
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--primary);
    font-size: 14px;
    font-weight: var(--font-medium);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0;
    transition: all var(--transition-fast);
}

.btn-text:hover {
    color: var(--primary-hover);
}

.btn-text svg {
    transition: all var(--transition-fast);
}

.btn-text:hover svg {
    transform: rotate(45deg);
}

#advanced-fields {
    margin-top: var(--space-4);
}

.upi-string-display {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-xs);
}

.upi-string-display h3 {
    font-size: 16px;
    font-weight: var(--font-medium);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.upi-string-content {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
}

.upi-string-content code {
    flex: 1;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--text-primary);
    word-break: break-all;
}

.btn-icon-only {
    width: 36px;
    height: 36px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

.btn-icon-only:hover {
    background: var(--primary-50);
    border-color: var(--primary);
    color: var(--primary);
}

.compatible-apps {
    margin-bottom: var(--space-8);
}

.compatible-apps h3 {
    font-size: 16px;
    font-weight: var(--font-medium);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

.app-icon {
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    text-align: center;
    font-size: 12px;
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.app-icon:hover {
    background: var(--card-bg);
    border-color: var(--primary);
    color: var(--primary);
}

/* UPI Features Section */
.upi-features-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
}

.upi-features-section .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-12);
}

.upi-features-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.upi-features-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.upi-features-section .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.upi-features-section .feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.upi-features-section .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--success) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.upi-features-section .feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.upi-features-section .feature-card:hover::before {
    opacity: 0.02;
}

.upi-features-section .feature-card > * {
    position: relative;
    z-index: 1;
}

.upi-features-section .feature-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.upi-features-section .feature-card:hover .feature-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.upi-features-section .feature-title {
    font-size: 20px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.upi-features-section .feature-description {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

/* Responsive design for UPI generator */
@media (max-width: 768px) {
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .upi-features-section .features-grid {
        grid-template-columns: 1fr;
    }
}

/* Delimiter Converter Styles */
.data-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.data-panel {
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
}

.data-panel h3 {
    font-size: 16px;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.input-panel,
.output-panel {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.data-textarea {
    width: 100%;
    min-height: 250px;
    padding: var(--space-4);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: 'Courier New', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    resize: vertical;
    transition: all var(--transition-fast);
}

.data-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.data-stats {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-3);
    font-size: 12px;
    color: var(--text-secondary);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-primary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
}

.data-stats strong {
    color: var(--primary);
    font-weight: var(--font-semibold);
}

.converter-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-8);
}


.preset-pills {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.preset-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.preset-pill:hover {
    background: var(--primary-50);
    border-color: var(--primary);
    color: var(--primary);
}

.preset-pill svg {
    color: var(--primary);
}

/* Delimiter Features Section */
.delimiter-features-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
}

/* Delimiter Use Cases Section */
.delimiter-use-cases-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
    transition: all var(--transition-normal);
}

.delimiter-use-cases-section .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-12);
}

.delimiter-use-cases-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.delimiter-use-cases-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.use-case-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--success) 0%, var(--info) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.use-case-card:hover {
    border-color: var(--success);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.use-case-card:hover::before {
    opacity: 0.02;
}

.use-case-card > * {
    position: relative;
    z-index: 1;
}

.use-case-icon {
    width: 68px;
    height: 68px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-5);
    color: var(--success);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-normal);
}

.use-case-card:hover .use-case-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.use-case-title {
    font-size: 18px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.use-case-description {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Delimiter FAQ Section */
.delimiter-faq-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
}

.delimiter-faq-section .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-12);
}

.delimiter-faq-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.delimiter-faq-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.delimiter-faq-section .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.delimiter-faq-section .faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.delimiter-faq-section .faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--info) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.delimiter-faq-section .faq-item:hover {
    border-color: var(--info);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.delimiter-faq-section .faq-item:hover::before {
    opacity: 0.02;
}

.delimiter-faq-section .faq-item > * {
    position: relative;
    z-index: 1;
}

.delimiter-faq-section .faq-question {
    font-size: 16px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.delimiter-faq-section .faq-answer {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

.delimiter-features-section .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-12);
}

.delimiter-features-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.delimiter-features-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.delimiter-features-section .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.delimiter-features-section .feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.delimiter-features-section .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--success) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.delimiter-features-section .feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.delimiter-features-section .feature-card:hover::before {
    opacity: 0.02;
}

.delimiter-features-section .feature-card > * {
    position: relative;
    z-index: 1;
}

.delimiter-features-section .feature-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.delimiter-features-section .feature-card:hover .feature-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.delimiter-features-section .feature-title {
    font-size: 20px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.delimiter-features-section .feature-description {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

/* Responsive design for delimiter converter */
@media (max-width: 1024px) {
    .data-panels {
        grid-template-columns: 1fr;
    }
    
    .delimiter-features-section .features-grid,
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .delimiter-faq-section .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .delimiter-features-section .features-grid,
    .use-cases-grid,
    .delimiter-faq-section .faq-grid {
        grid-template-columns: 1fr;
    }
}

.qr-actions button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none \!important;
}

.qr-info {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-normal);
}

.qr-info:hover {
    box-shadow: var(--shadow-sm);
}

.qr-info h3 {
    font-size: 16px;
    font-weight: var(--font-medium);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}

.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.info-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.info-value {
    font-size: 14px;
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.history-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all var(--transition-fast);
}

.history-item:hover {
    background: var(--card-bg);
    border-color: var(--primary);
}

.history-content {
    flex: 1;
}

.history-type {
    font-size: 12px;
    font-weight: var(--font-medium);
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.history-data {
    font-size: 14px;
    color: var(--text-primary);
    margin: var(--space-1) 0;
    font-family: 'Courier New', monospace;
}

.history-meta {
    font-size: 12px;
    color: var(--text-tertiary);
}

/* QR Features Section */
.qr-features-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
}

.qr-features-section .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-12);
}

.qr-features-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.qr-features-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.qr-features-section .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.qr-features-section .feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.qr-features-section .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--success) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.qr-features-section .feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.qr-features-section .feature-card:hover::before {
    opacity: 0.02;
}

.qr-features-section .feature-card > * {
    position: relative;
    z-index: 1;
}

.qr-features-section .feature-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.qr-features-section .feature-card:hover .feature-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.qr-features-section .feature-title {
    font-size: 20px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.qr-features-section .feature-description {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

/* Responsive Design for QR Generator */
@media (max-width: 1024px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .color-group {
        grid-template-columns: 1fr;
    }
    
    .qr-features-section .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .qr-actions {
        flex-direction: column;
    }
    
    .qr-actions button {
        width: 100%;
        justify-content: center;
    }
    
    .history-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }
    
    .history-item button {
        align-self: flex-end;
    }
    
    .qr-features-section .features-grid {
        grid-template-columns: 1fr;
    }
}


/* Label with icon styling */
.label-with-icon {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.type-icon {
    color: var(--primary);
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

/* Category tab icon styling */
.category-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.category-tab svg {
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.category-tab:hover svg {
    transform: scale(1.1);
}

.category-tab.active svg {
    color: var(--primary);
}

/* Select with icons */
.form-select option {
    padding: var(--space-2) var(--space-3);
    font-size: 16px;
}

/* Add gap between sections */
.tool-page > .tool-container {
    margin-bottom: var(--space-20);
}

/* JSON/XML Prettier Styles */
.action-pills {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
}

.action-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-pill:hover {
    background: var(--primary-50);
    border-color: var(--primary);
    color: var(--primary);
}

.action-pill svg {
    color: var(--primary);
}

.validation-status {
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.validation-status.valid {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.05);
}

.validation-status.invalid {
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.05);
}

.validation-status .status-icon svg {
    width: 20px;
    height: 20px;
}

.validation-status.valid .status-icon svg {
    color: var(--success);
}

.validation-status.invalid .status-icon svg {
    color: var(--error);
}

.status-text {
    flex: 1;
}

.status-text strong {
    display: block;
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.status-text span {
    font-size: 12px;
    color: var(--text-secondary);
}

.editor-panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    margin-bottom: var(--space-8);
}

.editor-panel {
    background: var(--bg-tertiary);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    background: var(--card-bg);
    border-bottom: 1px solid var(--card-border);
}

.editor-header h3 {
    font-size: 14px;
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin: 0;
}

.editor-stats {
    display: flex;
    gap: var(--space-4);
    font-size: 12px;
    color: var(--text-secondary);
}

.editor-stats strong {
    color: var(--primary);
    font-weight: var(--font-medium);
}

.editor-wrapper {
    position: relative;
    display: flex;
    height: 400px;
}

.line-numbers {
    background: var(--bg-secondary);
    padding: var(--space-3) var(--space-2);
    min-width: 40px;
    text-align: right;
    font-size: 12px;
    font-family: 'Courier New', monospace;
    color: var(--text-tertiary);
    border-right: 1px solid var(--card-border);
    overflow-y: hidden;
    user-select: none;
}

.line-numbers div {
    line-height: 1.5;
    padding: 0 var(--space-2);
}

.code-editor {
    flex: 1;
    padding: var(--space-3);
    border: none;
    background: transparent;
    font-size: 14px;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
    line-height: 1.5;
    resize: none;
    overflow-y: auto;
}

.code-editor:focus {
    outline: none;
}

.editor-actions {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-8);
}

.error-panel {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid var(--error);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-bottom: var(--space-6);
}

.error-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
    color: var(--error);
    font-weight: var(--font-semibold);
}

.error-list {
    font-size: 14px;
}

.error-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-2) 0;
}

.error-line {
    color: var(--error);
    font-weight: var(--font-medium);
}

.error-message {
    color: var(--text-primary);
}

/* JSON Features Section */
.json-features-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
}

.json-features-section .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-12);
}

.json-features-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.json-features-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.json-features-section .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.json-features-section .feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.json-features-section .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--success) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.json-features-section .feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.json-features-section .feature-card:hover::before {
    opacity: 0.02;
}

.json-features-section .feature-card > * {
    position: relative;
    z-index: 1;
}

.json-features-section .feature-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.json-features-section .feature-card:hover .feature-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.json-features-section .feature-title {
    font-size: 20px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.json-features-section .feature-description {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

/* JSON Use Cases Section */
.json-use-cases-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
    transition: all var(--transition-normal);
}

.json-use-cases-section .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-12);
}

.json-use-cases-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.json-use-cases-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

/* JSON FAQ Section */
.json-faq-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
    transition: all var(--transition-normal);
}

.json-faq-section .section-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: var(--space-12);
}

.json-faq-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.json-faq-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
}

.json-faq-section .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.json-faq-section .faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.json-faq-section .faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--info) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.json-faq-section .faq-item:hover {
    border-color: var(--info);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.json-faq-section .faq-item:hover::before {
    opacity: 0.02;
}

.json-faq-section .faq-item > * {
    position: relative;
    z-index: 1;
}

.json-faq-section .faq-question {
    font-size: 16px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.json-faq-section .faq-answer {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

/* Responsive design for JSON prettier */
@media (max-width: 1024px) {
    .editor-panels {
        grid-template-columns: 1fr;
    }
    
    .json-features-section .features-grid,
    .json-use-cases-section .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .json-faq-section .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .editor-actions {
        flex-direction: column;
    }
    
    .editor-actions button {
        width: 100%;
        justify-content: center;
    }
    
    .json-features-section .features-grid,
    .json-use-cases-section .use-cases-grid,
    .json-faq-section .faq-grid {
        grid-template-columns: 1fr;
    }
}

/* QR actions styling */
.qr-actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
    flex-wrap: wrap;
}

.qr-actions .btn-primary {
    flex: 1;
    min-width: 200px;
}

/* XML Prettier SEO Sections */
.xml-features-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.xml-features-section .section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.xml-features-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.xml-features-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.xml-features-section .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.xml-features-section .feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.xml-features-section .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--success) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.xml-features-section .feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.xml-features-section .feature-card:hover::before {
    opacity: 0.02;
}

.xml-features-section .feature-card > * {
    position: relative;
    z-index: 1;
}

.xml-features-section .feature-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all var(--transition-normal);
}

.xml-features-section .feature-card:hover .feature-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.xml-features-section .feature-title {
    font-size: 20px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.xml-features-section .feature-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.xml-use-cases-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.xml-use-cases-section .section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.xml-use-cases-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.xml-use-cases-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.xml-use-cases-section .use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.xml-use-cases-section .use-case-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.xml-use-cases-section .use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--success) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.xml-use-cases-section .use-case-card:hover {
    border-color: var(--success);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.xml-use-cases-section .use-case-card:hover::before {
    opacity: 0.02;
}

.xml-use-cases-section .use-case-card > * {
    position: relative;
    z-index: 1;
}

.xml-use-cases-section .use-case-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-6);
    background: var(--success-50);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
    transition: all var(--transition-normal);
}

.xml-use-cases-section .use-case-card:hover .use-case-icon {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.xml-use-cases-section .use-case-title {
    font-size: 18px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.xml-use-cases-section .use-case-description {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

.xml-faq-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.xml-faq-section .section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.xml-faq-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.xml-faq-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.xml-faq-section .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.xml-faq-section .faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.xml-faq-section .faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--info) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.xml-faq-section .faq-item:hover {
    border-color: var(--info);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.xml-faq-section .faq-item:hover::before {
    opacity: 0.02;
}

.xml-faq-section .faq-item > * {
    position: relative;
    z-index: 1;
}

.xml-faq-section .faq-question {
    font-size: 16px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.xml-faq-section .faq-answer {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

/* Code Compare SEO Sections */
.code-compare-features-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.code-compare-features-section .section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.code-compare-features-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.code-compare-features-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.code-compare-features-section .features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
    margin-top: var(--space-12);
}

.code-compare-features-section .feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    text-align: center;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.code-compare-features-section .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--success) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.code-compare-features-section .feature-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.code-compare-features-section .feature-card:hover::before {
    opacity: 0.02;
}

.code-compare-features-section .feature-card > * {
    position: relative;
    z-index: 1;
}

.code-compare-features-section .feature-icon {
    width: 88px;
    height: 88px;
    margin: 0 auto var(--space-6);
    background: var(--primary-50);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all var(--transition-normal);
}

.code-compare-features-section .feature-card:hover .feature-icon {
    transform: translateY(-2px) scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.code-compare-features-section .feature-title {
    font-size: 20px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.code-compare-features-section .feature-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.code-compare-use-cases-section {
    padding: var(--space-20) 0;
    background: var(--bg-primary);
}

.code-compare-use-cases-section .section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.code-compare-use-cases-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.code-compare-use-cases-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.code-compare-use-cases-section .use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.code-compare-use-cases-section .use-case-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.code-compare-use-cases-section .use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--success) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.code-compare-use-cases-section .use-case-card:hover {
    border-color: var(--success);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.code-compare-use-cases-section .use-case-card:hover::before {
    opacity: 0.02;
}

.code-compare-use-cases-section .use-case-card > * {
    position: relative;
    z-index: 1;
}

.code-compare-use-cases-section .use-case-icon {
    width: 64px;
    height: 64px;
    margin-bottom: var(--space-6);
    background: var(--success-50);
    border: 1px solid rgba(34, 197, 94, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--success);
    transition: all var(--transition-normal);
}

.code-compare-use-cases-section .use-case-card:hover .use-case-icon {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
    background: var(--card-bg);
}

.code-compare-use-cases-section .use-case-title {
    font-size: 18px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.code-compare-use-cases-section .use-case-description {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

.code-compare-faq-section {
    padding: var(--space-20) 0;
    background: var(--bg-secondary);
}

.code-compare-faq-section .section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.code-compare-faq-section .section-title {
    font-size: 32px;
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.code-compare-faq-section .section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.code-compare-faq-section .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
    margin-top: var(--space-12);
}

.code-compare-faq-section .faq-item {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.code-compare-faq-section .faq-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--info) 0%, var(--primary) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
}

.code-compare-faq-section .faq-item:hover {
    border-color: var(--info);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.code-compare-faq-section .faq-item:hover::before {
    opacity: 0.02;
}

.code-compare-faq-section .faq-item > * {
    position: relative;
    z-index: 1;
}

.code-compare-faq-section .faq-question {
    font-size: 16px;
    font-weight: var(--font-semibold);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.code-compare-faq-section .faq-answer {
    font-size: 14px;
    line-height: var(--line-height-relaxed);
    color: var(--text-secondary);
}

/* Responsive styles for new sections */
@media (max-width: 1024px) {
    .xml-features-section .features-grid,
    .code-compare-features-section .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .xml-use-cases-section .use-cases-grid,
    .code-compare-use-cases-section .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .xml-faq-section .faq-grid,
    .code-compare-faq-section .faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .xml-features-section .features-grid,
    .code-compare-features-section .features-grid,
    .xml-use-cases-section .use-cases-grid,
    .code-compare-use-cases-section .use-cases-grid,
    .xml-faq-section .faq-grid,
    .code-compare-faq-section .faq-grid {
        grid-template-columns: 1fr;
    }
}