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th{background:var(--bg-tertiary);font-weight:600}.mapping-table code{background:var(--bg-tertiary);padding:var(--spacing-xs) var(--spacing-sm);border-radius:.25rem;font-family:var(--cipher-font);font-size:.875rem}.flow-diagram{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md);margin:var(--spacing-lg) 0}.flow-step{display:flex;align-items:center;gap:var(--spacing-md);background:var(--bg-tertiary);padding:var(--spacing-lg);border-radius:.5rem;border:1px solid var(--border-color);width:100%;max-width:500px}.flow-step.final{background:linear-gradient(135deg,var(--success-color),#047857);color:#fff;border-color:var(--success-color)}.flow-number{width:2.5rem;height:2.5rem;background:var(--primary-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;flex-shrink:0}.flow-step.final .flow-number{background:#fff3}.flow-content h4{margin:0 0 var(--spacing-xs) 0;font-size:1rem;font-weight:600}.flow-content p{margin:0;font-size:.875rem;color:var(--text-secondary)}.flow-step.final .flow-content p{color:#ffffffe6}.flow-arrow{font-size:1.5rem;color:var(--primary-color);font-weight:700}.levels-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-lg);margin:var(--spacing-md) 0}.level-card{background:var(--bg-tertiary);padding:var(--spacing-lg);border-radius:.5rem;border:1px solid var(--border-color);text-align:center}.level-card h5{color:var(--primary-color);margin-bottom:var(--spacing-md)}.level-example{margin-top:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-primary);border-radius:.25rem;border:1px solid var(--border-color)}.security-info{display:flex;flex-direction:column;gap:var(--spacing-lg)}.security-feature{display:flex;align-items:flex-start;gap:var(--spacing-md)}.security-icon{font-size:1.5rem;flex-shrink:0}.security-content strong{display:block;margin-bottom:var(--spacing-sm);color:var(--text-primary)}.security-note{background:#fef3c7;border:1px solid #f59e0b;border-radius:.5rem;padding:var(--spacing-lg);color:#92400e;margin-top:var(--spacing-md)}.tips-list{display:flex;flex-direction:column;gap:var(--spacing-lg)}.tip-item{display:flex;align-items:flex-start;gap:var(--spacing-md)}.tip-icon{font-size:1.25rem;flex-shrink:0}.tip-content strong{display:block;margin-bottom:var(--spacing-sm)}.tech-specs{display:flex;flex-direction:column;gap:var(--spacing-md)}.spec-row{display:flex;align-items:flex-start;gap:var(--spacing-md)}.spec-label{font-weight:600;min-width:100px;flex-shrink:0}.spec-value{color:var(--text-secondary)}.example-demo{display:flex;flex-direction:column;gap:var(--spacing-xl)}.example-item{background:var(--bg-tertiary);padding:var(--spacing-lg);border-radius:.5rem;border:1px solid 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768px){.demo-controls{flex-direction:column;gap:var(--spacing-md)}.demo-tabs{width:100%;justify-content:center}.demo-tab{flex:1;text-align:center}.step-io{grid-template-columns:1fr;text-align:center}.step-arrow{transform:rotate(90deg)}.char-comparison{flex-direction:column;align-items:center}.levels-grid{grid-template-columns:1fr}.flow-step{max-width:none}.example-step{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.step-label{min-width:auto}.step-value{width:100%}}.footer{margin-top:auto;background:var(--bg-secondary);border-top:1px solid var(--border-color);padding:var(--spacing-lg) 0;font-size:.875rem;color:var(--text-secondary)}.footer-content{display:grid;grid-template-columns:1fr auto 1fr;gap:var(--spacing-lg);align-items:center;min-height:3rem}.footer-social{display:flex;gap:var(--spacing-md);align-items:center;justify-self:start}.social-link{display:inline-flex;align-items:center;justify-content:center;width:2.5rem;height:2.5rem;color:var(--text-secondary);text-decoration:none;transition:all .2s ease;border-radius:50%;background:var(--bg-primary);border:1px solid var(--border-color)}.social-link:hover{color:var(--primary-color);background:var(--primary-color);border-color:var(--primary-color);transform:translateY(-2px);box-shadow:var(--shadow-md)}.social-link:hover .social-icon{color:#fff;transform:scale(1.1)}.social-icon{font-size:1.2rem;line-height:1;transition:all .2s ease}.footer-copyright{display:flex;align-items:center;gap:var(--spacing-xs);justify-self:center;text-align:center;white-space:nowrap}.copyright-link{color:var(--primary-color);text-decoration:none;font-weight:600;transition:all .2s ease;border-bottom:1px solid 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