/* 
 * ARTICLE PAGES STYLES - PDF Guide Articles
 * Extends styles-modern.css for article content pages
 */

/* Article Header and Navigation */
.article-header {
    background: #FFFFFF;
    border-bottom: 1px solid #e9ecef;
    box-shadow: 0 2px 8px rgba(33, 33, 33, 0.04);
    position: sticky;
    top: 0;
    z-index: 100;
}

.article-nav {
    padding: 16px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #212121;
    font-weight: 600;
    font-size: 1.2rem;
}

.logo-icon {
    font-size: 1.5rem;
}

.back-to-tool {
    color: #02BFE7;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border: 1px solid #02BFE7;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.back-to-tool:hover {
    background: #02BFE7;
    color: #FFFFFF;
}

/* Article Container */
.article-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    line-height: 1.7;
}

/* Article Hero Section */
.article-hero {
    margin-bottom: 40px;
    text-align: center;
}

.breadcrumb {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: #666666;
}

.breadcrumb a {
    color: #02BFE7;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.article-hero h1 {
    color: #212121;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.article-subtitle {
    color: #666666;
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 24px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: #666666;
}

/* Table of Contents */
.table-of-contents {
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 40px;
}

.table-of-contents h3 {
    color: #212121;
    margin-bottom: 16px;
    font-size: 1.2rem;
}

.table-of-contents ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.table-of-contents li {
    margin-bottom: 8px;
}

.table-of-contents a {
    color: #02BFE7;
    text-decoration: none;
    font-weight: 500;
    display: block;
    padding: 4px 0;
    transition: color 0.3s ease;
}

.table-of-contents a:hover {
    color: #01A8C7;
    text-decoration: underline;
}

/* Article Body */
.article-body {
    font-size: 1.1rem;
    line-height: 1.7;
}

.article-body h2 {
    color: #212121;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 48px 0 24px 0;
    border-bottom: 2px solid #02BFE7;
    padding-bottom: 8px;
}

.article-body h3 {
    color: #212121;
    font-size: 1.4rem;
    font-weight: 600;
    margin: 32px 0 16px 0;
}

.article-body h4 {
    color: #212121;
    font-size: 1.2rem;
    font-weight: 600;
    margin: 24px 0 12px 0;
}

.article-body p {
    margin-bottom: 20px;
    color: #444444;
}

.article-body ul,
.article-body ol {
    margin: 20px 0;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
    color: #444444;
}

.article-body strong {
    color: #212121;
    font-weight: 600;
}

/* Info Boxes */
.info-box {
    background: rgba(2, 191, 231, 0.1);
    border: 1px solid #02BFE7;
    border-radius: 12px;
    padding: 20px;
    margin: 24px 0;
}

.info-box h4 {
    color: #01A8C7;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.info-box p {
    margin-bottom: 0;
    color: #333333;
}

/* Timeline */
.timeline {
    margin: 32px 0;
}

.timeline-item {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    align-items: flex-start;
}

.timeline-year {
    background: #02BFE7;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
}

.timeline-content h4 {
    color: #212121;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.timeline-content p {
    margin-bottom: 0;
    color: #666666;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.feature-item {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(33, 33, 33, 0.04);
}

.feature-item h4 {
    color: #212121;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.feature-item p {
    margin-bottom: 0;
    color: #666666;
    font-size: 0.95rem;
}

/* Use Cases */
.use-cases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin: 32px 0;
}

.use-case {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(33, 33, 33, 0.04);
}

.use-case-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.use-case h3 {
    color: #212121;
    margin-bottom: 16px;
    font-size: 1.2rem;
}

.use-case ul {
    margin: 0;
    padding-left: 20px;
}

.use-case li {
    color: #666666;
    margin-bottom: 6px;
}

/* Comparison Table */
.comparison-table {
    overflow-x: auto;
    margin: 32px 0;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: #FFFFFF;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(33, 33, 33, 0.04);
}

.comparison-table th {
    background: #f8f9fa;
    color: #212121;
    font-weight: 600;
    padding: 16px 12px;
    text-align: left;
    border-bottom: 2px solid #e9ecef;
}

.comparison-table td {
    padding: 12px;
    border-bottom: 1px solid #e9ecef;
    color: #444444;
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

/* Advantages and Limitations */
.advantages-list,
.limitations-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.advantage,
.limitation {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(33, 33, 33, 0.04);
}

.advantage {
    border-left: 4px solid #28a745;
}

.limitation {
    border-left: 4px solid #dc3545;
}

.advantage h3 {
    color: #28a745;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.limitation h3 {
    color: #dc3545;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.advantage p,
.limitation p {
    margin-bottom: 0;
    color: #666666;
    font-size: 0.95rem;
}

/* Platform Guides */
.platform-guides {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.platform {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #e9ecef;
}

.platform h3 {
    color: #212121;
    margin-bottom: 16px;
    font-size: 1.2rem;
}

.platform ul {
    margin: 0;
    padding-left: 20px;
}

.platform li {
    margin-bottom: 8px;
    color: #666666;
}

/* Key Takeaways */
.key-takeaways {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 12px;
    padding: 24px;
    margin: 32px 0;
}

.key-takeaways h3 {
    color: #856404;
    margin-bottom: 16px;
    font-size: 1.2rem;
}

.key-takeaways ul {
    margin: 0;
    padding-left: 20px;
}

.key-takeaways li {
    color: #856404;
    margin-bottom: 8px;
    font-weight: 500;
}

/* Article CTA */
.article-cta {
    background: linear-gradient(135deg, #0400F7 0%, #02BFE7 100%);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    margin: 48px 0;
    color: white;
}

.cta-content h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.cta-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 24px;
    font-size: 1.1rem;
}

.cta-button {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 14px 28px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: inline-block;
}

.cta-button:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Related Articles */
.related-articles {
    margin: 48px 0;
}

.related-articles h3 {
    color: #212121;
    text-align: center;
    margin-bottom: 32px;
    font-size: 1.5rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.related-card {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 24px;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(33, 33, 33, 0.04);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(33, 33, 33, 0.12);
    border-color: #02BFE7;
}

.related-icon {
    font-size: 2rem;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(2, 191, 231, 0.1);
    border-radius: 12px;
}

.related-card h4 {
    color: #212121;
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.related-card p {
    color: #666666;
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Article Footer */
.article-footer {
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    padding: 32px 0;
    margin-top: 60px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
}

.footer-content p {
    color: #666666;
    margin-bottom: 16px;
}

.footer-content nav a {
    color: #02BFE7;
    text-decoration: none;
    margin: 0 4px;
}

.footer-content nav a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 16px;
    }
    
    .logo-link {
        font-size: 1.1rem;
    }
    
    .back-to-tool {
        font-size: 0.9rem;
        padding: 6px 12px;
    }
    
    .article-container {
        padding: 20px 16px;
    }
    
    .article-hero h1 {
        font-size: 2rem;
    }
    
    .article-subtitle {
        font-size: 1.1rem;
    }
    
    .article-meta {
        gap: 16px;
        font-size: 0.8rem;
    }
    
    .article-body {
        font-size: 1rem;
    }
    
    .article-body h2 {
        font-size: 1.5rem;
    }
    
    .timeline-item {
        flex-direction: column;
        gap: 12px;
    }
    
    .comparison-table {
        font-size: 0.9rem;
    }
    
    .use-cases {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-list,
    .limitations-list {
        grid-template-columns: 1fr;
    }
    
    .platform-guides {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .related-card {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }
}

/* Quick CTA Box */
.quick-cta {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    margin: 24px 0;
    color: white;
}

.quick-cta h3 {
    color: white;
    margin-bottom: 12px;
    font-size: 1.3rem;
}

.quick-cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

.cta-button-primary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 12px 24px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.cta-button-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.benefit-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 12px;
    border-left: 4px solid #28a745;
}

.benefit-item h4 {
    color: #28a745;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.benefit-item p {
    color: #666666;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Step-by-step Guide */
.step-by-step {
    margin: 32px 0;
}

.step {
    display: flex;
    gap: 20px;
    margin-bottom: 32px;
    align-items: flex-start;
}

.step-number {
    background: #02BFE7;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h4 {
    color: #212121;
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.step-content p {
    color: #666666;
    margin-bottom: 0;
}

/* Method Pros and Cons */
.method-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 32px 0;
}

.pros, .cons {
    padding: 24px;
    border-radius: 12px;
}

.pros {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.cons {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.pros h4 {
    color: #28a745;
    margin-bottom: 16px;
}

.cons h4 {
    color: #dc3545;
    margin-bottom: 16px;
}

.pros ul, .cons ul {
    margin: 0;
    padding-left: 20px;
}

.pros li, .cons li {
    margin-bottom: 8px;
    color: #666666;
}

/* Try Now Box */
.try-now-box {
    background: rgba(2, 191, 231, 0.1);
    border: 2px solid #02BFE7;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    margin: 24px 0;
}

.try-now-box h4 {
    color: #01A8C7;
    margin-bottom: 8px;
}

.try-now-box p {
    margin-bottom: 16px;
    color: #666666;
}

.inline-cta-button {
    background: #02BFE7;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.inline-cta-button:hover {
    background: #01A8C7;
    transform: translateY(-1px);
}

/* Software Options */
.software-options {
    margin: 32px 0;
}

.software-item {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(33, 33, 33, 0.04);
}

.software-item h4 {
    color: #212121;
    margin-bottom: 8px;
    font-size: 1.3rem;
}

.software-item p:first-of-type {
    color: #666666;
    font-weight: 500;
    margin-bottom: 12px;
}

.software-item ul {
    margin: 12px 0 0 0;
    padding-left: 20px;
}

/* Tips Grid */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.tip-item {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 12px;
    padding: 20px;
}

.tip-item h4 {
    color: #856404;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.tip-item p {
    color: #856404;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Troubleshooting */
.troubleshooting-item {
    margin: 32px 0;
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    overflow: hidden;
}

.troubleshooting-item h3 {
    background: #f8f9fa;
    padding: 16px 20px;
    margin: 0;
    color: #212121;
    font-size: 1.2rem;
    border-bottom: 1px solid #e9ecef;
}

.problem-solution {
    padding: 20px;
}

.problem, .solution {
    margin-bottom: 16px;
}

.problem h4 {
    color: #dc3545;
    margin-bottom: 8px;
    font-size: 1rem;
}

.solution h4 {
    color: #28a745;
    margin-bottom: 8px;
    font-size: 1rem;
}

.problem p, .solution ul {
    color: #666666;
    margin: 0;
}

.solution ul {
    padding-left: 20px;
}

.solution li {
    margin-bottom: 6px;
}

/* Conclusion Recommendations */
.conclusion-recommendations {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.recommendation {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.recommendation h4 {
    color: #212121;
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.recommendation p {
    color: #666666;
    margin-bottom: 16px;
}

.recommendation-button {
    background: #02BFE7;
    color: white;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.recommendation-button:hover {
    background: #01A8C7;
    transform: translateY(-1px);
}

.final-tips {
    background: rgba(2, 191, 231, 0.1);
    border-radius: 12px;
    padding: 24px;
    margin: 32px 0;
}

.final-tips h3 {
    color: #01A8C7;
    margin-bottom: 16px;
    font-size: 1.3rem;
}

.final-tips ul {
    margin: 0;
    padding-left: 20px;
}

.final-tips li {
    color: #666666;
    margin-bottom: 8px;
    font-weight: 500;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .method-pros-cons {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        gap: 12px;
    }
    
    .benefits-grid, .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .conclusion-recommendations {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .article-hero h1 {
        font-size: 1.8rem;
    }
    
    .table-of-contents {
        padding: 16px;
    }
    
    .article-cta {
        padding: 24px 16px;
    }
    
    .cta-content h3 {
        font-size: 1.3rem;
    }
    
    .cta-content p {
        font-size: 1rem;
    }
    
    .quick-cta {
        padding: 20px 16px;
    }
    
    .software-item, .troubleshooting-item {
        margin-bottom: 16px;
    }
}

/* PDF Security Specific Styles */

/* Security Alert Box */
.security-alert {
    background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    margin: 24px 0;
    color: white;
    box-shadow: 0 4px 16px rgba(220, 53, 69, 0.3);
}

.security-alert h3 {
    color: white;
    margin-bottom: 12px;
    font-size: 1.3rem;
}

.security-alert p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

/* Security Types Grid */
.security-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.security-type {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(33, 33, 33, 0.04);
    transition: all 0.3s ease;
}

.security-type:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(33, 33, 33, 0.12);
}

.security-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.8;
}

.security-type h3 {
    color: #212121;
    margin-bottom: 12px;
    font-size: 1.3rem;
}

.security-type p {
    color: #666666;
    margin-bottom: 16px;
}

.security-type ul {
    text-align: left;
    margin: 0;
    padding-left: 20px;
}

.security-type li {
    color: #666666;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

/* Password Comparison */
.password-comparison {
    margin: 32px 0;
}

.password-type {
    background: #f8f9fa;
    border-radius: 12px;
    margin-bottom: 32px;
    overflow: hidden;
    border: 1px solid #e9ecef;
}

.password-type h3 {
    background: #02BFE7;
    color: white;
    margin: 0;
    padding: 16px 24px;
    font-size: 1.2rem;
}

.password-details {
    padding: 24px;
}

.password-details p {
    margin-bottom: 12px;
}

.password-details h4 {
    color: #212121;
    margin: 24px 0 16px 0;
    font-size: 1.1rem;
}

.password-details h5 {
    color: #212121;
    margin-bottom: 8px;
    font-size: 1rem;
}

/* Permissions List */
.permissions-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 20px 0;
}

.permission-item {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 8px;
    padding: 16px;
}

.permission-item h5 {
    color: #856404;
    margin-bottom: 12px;
    font-size: 1rem;
}

.permission-item ul {
    margin: 0;
    padding-left: 16px;
}

.permission-item li {
    color: #856404;
    margin-bottom: 6px;
    font-size: 0.9rem;
}

/* Password Strength Guide */
.password-strength-guide {
    margin: 32px 0;
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
}

.password-strength-guide h3 {
    color: #212121;
    text-align: center;
    margin-bottom: 24px;
}

.strength-tips {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.strength-level {
    padding: 20px;
    border-radius: 8px;
}

.strength-level.weak {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.strength-level.strong {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.strength-level h4 {
    margin-bottom: 16px;
}

.strength-level.weak h4 {
    color: #dc3545;
}

.strength-level.strong h4 {
    color: #28a745;
}

.strength-level ul {
    margin: 0;
    padding-left: 20px;
}

.strength-level li {
    color: #666666;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

/* Signature Methods */
.signature-methods {
    margin: 32px 0;
}

.signature-method {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    margin-bottom: 24px;
    overflow: hidden;
}

.signature-method h4 {
    background: #f8f9fa;
    margin: 0;
    padding: 16px 24px;
    color: #212121;
    font-size: 1.2rem;
    border-bottom: 1px solid #e9ecef;
}

.signature-method .step-by-step {
    padding: 24px;
}

.signature-method h5 {
    color: #212121;
    margin-bottom: 8px;
    font-size: 1rem;
}

/* Free Tools Grid */
.free-tools {
    padding: 24px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.tool-option {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 16px;
    border: 1px solid #e9ecef;
}

.tool-option h5 {
    color: #212121;
    margin-bottom: 8px;
    font-size: 1rem;
}

.tool-option p {
    color: #666666;
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* Encryption Levels */
.encryption-comparison {
    margin: 32px 0;
}

.encryption-level {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    margin-bottom: 20px;
    overflow: hidden;
}

.encryption-level h3 {
    margin: 0;
    padding: 16px 24px;
    font-size: 1.2rem;
    border-bottom: 1px solid #e9ecef;
}

.level-details {
    padding: 20px 24px;
}

.level-details p {
    margin-bottom: 12px;
    font-size: 0.95rem;
}

/* Info/Warning/Success Boxes */
.warning-box, .info-box, .success-box {
    border-radius: 8px;
    padding: 12px 16px;
    margin: 16px 0;
}

.warning-box {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid rgba(220, 53, 69, 0.3);
}

.warning-box p {
    color: #721c24;
    margin: 0;
    font-size: 0.9rem;
}

.info-box {
    background: rgba(2, 191, 231, 0.1);
    border: 1px solid rgba(2, 191, 231, 0.3);
}

.info-box p {
    color: #0c5460;
    margin: 0;
    font-size: 0.9rem;
}

.success-box {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid rgba(40, 167, 69, 0.3);
}

.success-box p {
    color: #155724;
    margin: 0;
    font-size: 0.9rem;
}

/* Security Tutorials */
.security-tutorials {
    margin: 32px 0;
}

.tutorial-section {
    margin-bottom: 32px;
}

.tutorial-section h3 {
    color: #212121;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 2px solid #02BFE7;
}

.tutorial-steps {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
}

/* Online Tools Grid */
.online-tools {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.tool-item {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(33, 33, 33, 0.04);
}

.tool-item h4 {
    color: #212121;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.tool-item p {
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: #666666;
}

/* Security Checklist */
.security-checklist {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    margin: 32px 0;
}

.security-checklist h3 {
    color: #212121;
    text-align: center;
    margin-bottom: 24px;
}

.checklist-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.checklist-category {
    background: #FFFFFF;
    border-radius: 8px;
    padding: 20px;
    border: 1px solid #e9ecef;
}

.checklist-category h4 {
    color: #02BFE7;
    margin-bottom: 16px;
    font-size: 1.1rem;
}

.checklist-category ul {
    margin: 0;
    padding-left: 0;
    list-style: none;
}

.checklist-category li {
    color: #666666;
    margin-bottom: 8px;
    font-size: 0.9rem;
    padding-left: 24px;
    position: relative;
}

/* Warning Box Large */
.warning-box-large {
    background: rgba(220, 53, 69, 0.1);
    border: 2px solid #dc3545;
    border-radius: 12px;
    padding: 24px;
    margin: 32px 0;
    text-align: center;
}

.warning-box-large h3 {
    color: #dc3545;
    margin-bottom: 16px;
    font-size: 1.3rem;
}

.warning-box-large p {
    color: #721c24;
    margin: 0;
    font-weight: 500;
}

/* Removal Methods */
.removal-methods {
    margin: 32px 0;
}

.removal-method {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 24px;
}

.removal-method h3 {
    color: #212121;
    margin-bottom: 16px;
    font-size: 1.2rem;
}

.removal-method ol {
    margin: 16px 0;
    padding-left: 20px;
}

.removal-method li {
    color: #666666;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

/* Best Practices Grid */
.best-practices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.practice-category {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #e9ecef;
}

.practice-category h3 {
    color: #02BFE7;
    margin-bottom: 16px;
    font-size: 1.2rem;
}

.practice-category ul {
    margin: 0;
    padding-left: 20px;
}

.practice-category li {
    color: #666666;
    margin-bottom: 10px;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Compliance Areas */
.compliance-areas {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.compliance-item {
    background: #FFFFFF;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(33, 33, 33, 0.04);
}

.compliance-item h3 {
    color: #212121;
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.compliance-item p {
    color: #666666;
    margin-bottom: 16px;
}

.compliance-item ul {
    margin: 0;
    padding-left: 20px;
}

.compliance-item li {
    color: #666666;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

/* Takeaway Grid */
.takeaway-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 24px 0;
}

.takeaway-item {
    background: rgba(2, 191, 231, 0.1);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(2, 191, 231, 0.2);
}

.takeaway-item h4 {
    color: #01A8C7;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.takeaway-item p {
    color: #666666;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Recommendation Grid */
.recommendation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin: 24px 0;
}

.recommendation-item {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #e9ecef;
}

.recommendation-item h4 {
    color: #212121;
    margin-bottom: 12px;
    font-size: 1.1rem;
}

.recommendation-item p {
    color: #666666;
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Mobile Responsive for Security Elements */
@media (max-width: 768px) {
    .security-types-grid {
        grid-template-columns: 1fr;
    }
    
    .strength-tips {
        grid-template-columns: 1fr;
    }
    
    .permissions-list {
        grid-template-columns: 1fr;
    }
    
    .free-tools, .online-tools {
        grid-template-columns: 1fr;
    }
    
    .best-practices-grid, .compliance-areas {
        grid-template-columns: 1fr;
    }
    
    .takeaway-grid, .recommendation-grid {
        grid-template-columns: 1fr;
    }
    
    .checklist-items {
        grid-template-columns: 1fr;
    }
}