.lesson-nav[data-astro-cid-epgd7pii]{background:var(--color-bg-darker);border-bottom:var(--border-pixel-thin) solid var(--color-border);padding:var(--space-3) 0;position:sticky;top:0;z-index:var(--z-sticky)}.lesson-nav__inner[data-astro-cid-epgd7pii]{display:flex;justify-content:space-between;align-items:center;gap:var(--space-4)}.lesson-nav__breadcrumb[data-astro-cid-epgd7pii]{font-family:var(--font-pixel-mono);font-size:.85rem;color:var(--color-text-secondary);display:flex;align-items:center;gap:var(--space-2);flex-wrap:wrap}.lesson-nav__breadcrumb[data-astro-cid-epgd7pii] a[data-astro-cid-epgd7pii]{color:var(--color-accent-cyan);text-decoration:none}.lesson-nav__breadcrumb[data-astro-cid-epgd7pii] a[data-astro-cid-epgd7pii]:hover{color:var(--color-primary)}.lesson-nav__breadcrumb[data-astro-cid-epgd7pii] .current[data-astro-cid-epgd7pii]{color:var(--color-text-primary)}.lesson-nav__actions[data-astro-cid-epgd7pii]{display:flex;gap:var(--space-3)}.nav-btn[data-astro-cid-epgd7pii]{font-family:var(--font-pixel-mono);font-size:.8rem;padding:var(--space-2) var(--space-3);background:transparent;color:var(--color-text-secondary);border:1px solid var(--color-border);text-decoration:none;transition:all var(--transition-fast);white-space:nowrap}.nav-btn[data-astro-cid-epgd7pii]:hover{border-color:var(--color-primary);color:var(--color-primary)}.lesson-info[data-astro-cid-epgd7pii]{padding:var(--space-6) 0;background:var(--color-bg-dark);border-bottom:var(--border-pixel-thick) solid var(--color-border)}.lesson-title[data-astro-cid-epgd7pii]{font-family:var(--font-pixel-heading);font-size:clamp(1.2rem,3vw,2rem);margin-bottom:var(--space-3);line-height:1.4}.lesson-meta[data-astro-cid-epgd7pii]{display:flex;gap:var(--space-4);align-items:center;flex-wrap:wrap}.meta-item[data-astro-cid-epgd7pii]{font-family:var(--font-pixel-mono);font-size:.9rem;color:var(--color-text-secondary);display:flex;align-items:center;gap:var(--space-2)}.meta-icon[data-astro-cid-epgd7pii]{font-size:1rem}.lesson-content[data-astro-cid-epgd7pii]{background:var(--color-bg-darker);padding:var(--space-8) 0;min-height:calc(100vh - 300px)}.documentation-wrapper[data-astro-cid-epgd7pii]{display:grid;grid-template-columns:280px 1fr;gap:var(--space-8);align-items:start}.doc-toc[data-astro-cid-epgd7pii]{position:sticky;top:120px;background:var(--color-bg-dark);border:var(--border-pixel-thick) solid var(--color-border);padding:var(--space-4);max-height:calc(100vh - 140px);overflow-y:auto}.toc-header[data-astro-cid-epgd7pii]{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-4);padding-bottom:var(--space-3);border-bottom:var(--border-pixel-thin) solid var(--color-border)}.toc-header[data-astro-cid-epgd7pii] h3[data-astro-cid-epgd7pii]{margin:0;font-family:var(--font-pixel-heading);font-size:1.1rem;color:var(--color-text-primary)}.toc-toggle[data-astro-cid-epgd7pii]{display:none;background:transparent;border:var(--border-pixel-thin) solid var(--color-border);color:var(--color-text-secondary);padding:var(--space-2);font-size:1.2rem;cursor:pointer;transition:all var(--transition-fast)}.toc-toggle[data-astro-cid-epgd7pii]:hover{border-color:var(--color-primary);color:var(--color-primary)}.toc-nav[data-astro-cid-epgd7pii]{font-family:var(--font-pixel-mono);font-size:.85rem}.toc-nav[data-astro-cid-epgd7pii] ul[data-astro-cid-epgd7pii]{list-style:none;padding:0;margin:0}.toc-nav[data-astro-cid-epgd7pii] li[data-astro-cid-epgd7pii]{margin-bottom:var(--space-2)}.toc-nav[data-astro-cid-epgd7pii] a[data-astro-cid-epgd7pii]{color:var(--color-text-secondary);text-decoration:none;display:block;padding:var(--space-2) var(--space-3);transition:all var(--transition-fast);border-left:2px solid transparent}.toc-nav[data-astro-cid-epgd7pii] a[data-astro-cid-epgd7pii]:hover,.toc-nav[data-astro-cid-epgd7pii] a[data-astro-cid-epgd7pii].active{color:var(--color-primary);border-left-color:var(--color-primary);background:var(--color-bg-darker)}.documentation-main[data-astro-cid-epgd7pii]{background:var(--color-bg-dark);border:var(--border-pixel-thick) solid var(--color-border);padding:var(--space-8)}.documentation-content[data-astro-cid-epgd7pii]{max-width:800px;margin:0 auto}.documentation-content[data-astro-cid-epgd7pii] h1,.documentation-content[data-astro-cid-epgd7pii] h2,.documentation-content[data-astro-cid-epgd7pii] h3,.documentation-content[data-astro-cid-epgd7pii] h4,.documentation-content[data-astro-cid-epgd7pii] h5,.documentation-content[data-astro-cid-epgd7pii] h6{margin-top:var(--space-8);margin-bottom:var(--space-4);color:var(--color-text-primary)}.documentation-content[data-astro-cid-epgd7pii] h1{font-family:var(--font-pixel-heading);font-size:1.8rem;border-bottom:var(--border-pixel-thick) solid var(--color-border);padding-bottom:var(--space-4);color:var(--color-text-primary)}.documentation-content[data-astro-cid-epgd7pii] h2{font-family:var(--font-pixel-heading);font-size:1.4rem;margin-top:var(--space-10);color:var(--color-text-primary)}.documentation-content[data-astro-cid-epgd7pii] h3{font-family:var(--font-pixel-heading);font-size:1.2rem;color:var(--color-accent-cyan)}.documentation-content[data-astro-cid-epgd7pii] p{margin-bottom:var(--space-4);line-height:1.8;color:var(--color-text-secondary)}.documentation-content[data-astro-cid-epgd7pii] ul,.documentation-content[data-astro-cid-epgd7pii] ol{margin-bottom:var(--space-6);padding-left:var(--space-8);color:var(--color-text-secondary)}.documentation-content[data-astro-cid-epgd7pii] li{margin-bottom:var(--space-3);line-height:1.6;color:var(--color-text-secondary)}.documentation-content[data-astro-cid-epgd7pii] strong{color:var(--color-text-primary)}.documentation-content[data-astro-cid-epgd7pii] a{color:var(--color-accent-cyan);text-decoration:none}.documentation-content[data-astro-cid-epgd7pii] a:hover{color:var(--color-primary)}.documentation-content[data-astro-cid-epgd7pii] pre{position:relative;margin-bottom:var(--space-6);background:var(--color-bg-darker)!important;border:var(--border-pixel-thin) solid var(--color-border);border-radius:0;padding:var(--space-4)!important;padding-top:var(--space-8)!important;overflow-x:auto}.documentation-content[data-astro-cid-epgd7pii] pre code{font-family:var(--font-pixel-mono);font-size:1rem;line-height:1.6;background:none!important;padding:0!important;border:none!important;color:var(--color-accent-green)}.documentation-content[data-astro-cid-epgd7pii] code:not(pre code){font-family:var(--font-pixel-mono);font-size:.9rem;background:var(--color-bg-darker);padding:.2em .4em;border:var(--border-pixel-thin) solid var(--color-border);color:var(--color-accent-green)}.documentation-content[data-astro-cid-epgd7pii] .code-copy-btn{position:absolute;top:var(--space-2);right:var(--space-2);padding:var(--space-2) var(--space-3);background:var(--color-bg-light);border:var(--border-pixel-thin) solid var(--color-border);color:var(--color-text-secondary);font-family:var(--font-pixel-mono);font-size:.75rem;cursor:pointer;transition:all var(--transition-fast);z-index:10}.documentation-content[data-astro-cid-epgd7pii] .code-copy-btn:hover{background:var(--color-primary);color:var(--color-bg-dark);border-color:var(--color-primary)}.documentation-content[data-astro-cid-epgd7pii] .code-copy-btn.copied{background:var(--color-accent-green);color:var(--color-bg-dark);border-color:var(--color-accent-green)}.documentation-content[data-astro-cid-epgd7pii] blockquote{border-left:4px solid var(--color-primary);padding-left:var(--space-4);margin:var(--space-6) 0;font-style:italic;color:var(--color-text-secondary);background:var(--color-bg-darker);padding:var(--space-4)}.documentation-content[data-astro-cid-epgd7pii] img{max-width:100%;height:auto;border:var(--border-pixel-thick) solid var(--color-border);margin:var(--space-4) 0}.documentation-content[data-astro-cid-epgd7pii] table{width:100%;border-collapse:collapse;margin:var(--space-6) 0;border:var(--border-pixel-thick) solid var(--color-border)}.documentation-content[data-astro-cid-epgd7pii] th,.documentation-content[data-astro-cid-epgd7pii] td{padding:var(--space-3);border:var(--border-pixel-thin) solid var(--color-border);text-align:left}.documentation-content[data-astro-cid-epgd7pii] th{background:var(--color-bg-darker);font-family:var(--font-pixel-mono);font-weight:700}.lesson-navigation[data-astro-cid-epgd7pii]{display:flex;justify-content:space-between;gap:var(--space-4);margin-top:var(--space-12);padding-top:var(--space-8);border-top:var(--border-pixel-thick) solid var(--color-border)}.back-to-top[data-astro-cid-epgd7pii]{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:var(--color-primary);color:var(--color-bg-dark);border:var(--border-pixel-thick) solid var(--color-border);font-family:var(--font-pixel-heading);font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:all var(--transition-fast);z-index:var(--z-sticky)}.back-to-top[data-astro-cid-epgd7pii].visible{opacity:1;visibility:visible}.back-to-top[data-astro-cid-epgd7pii]:hover{background:var(--color-primary-light);transform:translateY(-2px)}.lesson-completion-notice[data-astro-cid-epgd7pii]{position:fixed;top:20px;right:20px;background:var(--color-bg-dark);border:var(--border-pixel-thick) solid var(--color-success);padding:var(--space-4);z-index:var(--z-modal);font-family:var(--font-pixel-mono);font-size:.9rem;box-shadow:4px 4px #00ff004d;transition:all var(--transition-fast)}.lesson-completion-notice[data-astro-cid-epgd7pii].fade-out{opacity:0;transform:translate(100%)}.completion-content[data-astro-cid-epgd7pii]{display:flex;align-items:center;gap:var(--space-3);color:var(--color-success)}.completion-icon[data-astro-cid-epgd7pii]{font-size:1.2rem}.completion-text[data-astro-cid-epgd7pii]{color:var(--color-text-primary)}@media (max-width: 1024px){.documentation-wrapper[data-astro-cid-epgd7pii]{grid-template-columns:1fr;gap:var(--space-4)}.doc-toc[data-astro-cid-epgd7pii]{position:relative;top:auto;max-height:none;margin-bottom:var(--space-4)}.toc-toggle[data-astro-cid-epgd7pii]{display:block}.toc-nav[data-astro-cid-epgd7pii]{max-height:0;overflow:hidden;transition:max-height var(--transition-fast)}.toc-nav[data-astro-cid-epgd7pii].open{max-height:400px}.documentation-main[data-astro-cid-epgd7pii]{padding:var(--space-6)}}@media (max-width: 767px){.lesson-nav__breadcrumb[data-astro-cid-epgd7pii]{font-size:.75rem}.lesson-nav__actions[data-astro-cid-epgd7pii]{display:none}.lesson-content[data-astro-cid-epgd7pii]{padding:var(--space-4) 0}.documentation-main[data-astro-cid-epgd7pii]{padding:var(--space-4)}.back-to-top[data-astro-cid-epgd7pii]{bottom:20px;right:20px;width:40px;height:40px;font-size:1rem}}