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var(--nav-height));margin:0 auto;display:flex}.guide-sidebar{width:220px;top:var(--nav-height);height:calc(100vh - var(--nav-height));border-right:1px solid var(--color-border);flex-shrink:0;padding:1.5rem 0 1.5rem 1.5rem;position:sticky;overflow-y:auto}.guide-content{flex:1;min-width:0;max-width:800px;padding:2rem 2.5rem}.guide-loading{text-align:center;color:var(--color-text-muted);padding:4rem 2rem}.toc-header{text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:.75rem;font-size:.75rem;font-weight:600}.toc-list{margin:0;padding:0;list-style:none}.toc-item a{color:var(--color-text-muted);cursor:pointer;border-left:2px solid #0000;padding:.25rem .5rem;font-size:.85rem;text-decoration:none;transition:color .15s,border-color .15s;display:block}.toc-item a:hover{color:var(--color-primary)}.toc-item a.active{color:var(--color-primary);border-left-color:var(--color-primary);font-weight:500}.toc-level-2 a{padding-left:1rem}.toc-level-3 a{padding-left:1.5rem}.guide-content h1{color:var(--color-primary-dark);margin:0 0 1rem;font-size:2rem;font-weight:700}.guide-content h2{border-top:1px solid var(--color-border);margin:2rem 0 .75rem;padding-top:1rem;font-size:1.5rem;font-weight:600}.guide-content h2:first-child{border-top:none;margin-top:0;padding-top:0}.guide-content h3{margin:1.5rem 0 .5rem;font-size:1.2rem;font-weight:600}.guide-content h4{margin:1.25rem 0 .5rem;font-size:1rem;font-weight:600}.guide-content p{margin:0 0 1rem;line-height:1.7}.guide-content a{color:var(--color-primary);text-decoration:underline}.guide-content a:hover{color:var(--color-primary-dark)}.guide-content ul,.guide-content ol{margin:0 0 1rem 1.5rem;line-height:1.7}.guide-content li{margin-bottom:.25rem}.guide-content code{background:var(--color-bg-alt);border-radius:3px;padding:.15em .35em;font-family:SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;font-size:.875em}.guide-content pre{border:1px solid var(--color-border);background:#f6f8fa;border-radius:6px;margin:0 0 1.25rem;padding:1rem 1.25rem;overflow-x:auto}.guide-content pre code{background:0 0;padding:0;font-size:.85rem;line-height:1.55}.guide-content table{border-collapse:collapse;width:100%;margin:0 0 1.25rem;font-size:.9rem}.guide-content th,.guide-content td{border:1px solid var(--color-border);text-align:left;padding:.6rem .8rem}.guide-content th{background:var(--color-bg-alt);font-weight:600}.guide-content blockquote{border-left:3px solid var(--color-primary-light);background:var(--color-bg-alt);color:var(--color-text-muted);margin:0 0 1rem;padding:.75rem 1rem}.guide-content img{border-radius:4px;max-width:100%;height:auto}.guide-content hr{border:none;border-top:1px solid var(--color-border);margin:2rem 0}@media (width<=640px){.nav-toggle{display:block}.nav-links{top:var(--nav-height);background:var(--color-primary-dark);flex-direction:column;padding:.5rem;display:none;position:absolute;left:0;right:0;box-shadow:0 2px 6px #00000026}.nav-links.open{display:flex}.nav-separator{width:100%;height:1px;margin:.25rem 0}.hero h1{font-size:1.5rem}.guide-layout{flex-direction:column}.guide-sidebar{border-right:none;border-bottom:1px solid var(--color-border);width:100%;height:auto;padding:1rem 1.5rem;position:static}.guide-content{padding:1.5rem}}