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var(--header-h));grid-template-columns:280px 1fr;display:grid}.guide-sidebar{top:var(--header-h);height:calc(100vh - var(--header-h));border-right:1px solid var(--border);background:var(--bg-elevated);padding:1rem 1rem 1.5rem;position:sticky;overflow-y:auto}.guide-back{border:1px solid var(--border);background:var(--bg-card);color:var(--text);border-radius:10px;align-items:center;gap:.6rem;margin-bottom:1.25rem;padding:.55rem .65rem;font-size:.9rem;font-weight:600;text-decoration:none;display:flex}.guide-back:hover{border-color:var(--accent-dim);text-decoration:none}.guide-back img,.guide-back-logo{border-radius:4px;width:auto;height:1.75rem}.guide-sidebar h2{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin:1.25rem 0 .5rem;padding:0 .5rem;font-size:.72rem}.guide-sidebar nav a{color:var(--text-muted);border-radius:8px;padding:.45rem .5rem;font-size:.92rem;display:block}.guide-sidebar nav a:hover,.guide-sidebar nav a.active{color:var(--text);background:#22d3ee14;text-decoration:none}.guide-main{max-width:900px;padding:2rem clamp(1rem,3vw,2.5rem) 4rem}.guide-main .page-lead{color:var(--text-muted);margin:0 0 2rem;font-size:1.05rem}.guide-breadcrumb{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:.35rem;margin-bottom:1rem;font-size:.85rem;display:flex}.guide-breadcrumb a{color:var(--text-muted)}.guide-breadcrumb a:hover{color:var(--accent)}.guide-breadcrumb [aria-current=page]{color:var(--text)}.guide-main h1{margin:0 0 .5rem;font-size:clamp(1.6rem,3vw,2.2rem)}.guide-main section{margin-bottom:2.5rem}.guide-main h2{margin:0 0 1rem;font-size:1.25rem}.guide-main h3{margin:1.5rem 0 .75rem;font-size:1rem}.guide-main table{border-collapse:collapse;width:100%;font-size:.92rem}.guide-main th,.guide-main td{border:1px solid var(--border);text-align:left;padding:.6rem .75rem}.guide-main th{background:var(--bg-card)}.actor-row{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;display:grid}.actor{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:1rem}.actor .icon{font-size:1.75rem}.actor .name{margin-top:.35rem;font-weight:600}.actor .desc{color:var(--text-muted);margin-top:.35rem;font-size:.85rem}.example{border:1px solid var(--border);border-radius:var(--radius);margin:1rem 0;overflow:hidden}.example-header{background:var(--bg-card);color:var(--text-muted);justify-content:space-between;gap:1rem;padding:.5rem .75rem;font-size:.8rem;display:flex}.example pre{background:#080d14;margin:0;padding:.85rem 1rem;font-size:.82rem;overflow-x:auto}.callout{border-left:3px solid var(--accent);border-radius:0 var(--radius) var(--radius) 0;background:#22d3ee0f;margin:1rem 0;padding:.85rem 1rem}.blog-list{gap:1.25rem;display:grid}.blog-card{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);color:inherit;padding:1.25rem;text-decoration:none;display:block}.blog-card:hover{border-color:var(--accent-dim);text-decoration:none}.blog-card time{color:var(--text-muted);margin-bottom:.35rem;font-size:.82rem;display:block}.blog-card h2{margin:0 0 .35rem;font-size:1.15rem}.blog-card p{color:var(--text-muted);margin:0;font-size:.94rem}.prose{max-width:68ch}.prose h2{margin-top:2rem}.prose p,.prose ul{color:var(--text-muted)}.prose li+li{margin-top:.35rem}.tag-row{flex-wrap:wrap;gap:.4rem;margin-top:.75rem;display:flex}.tag{border:1px solid var(--border);color:var(--text-muted);border-radius:999px;padding:.2rem .55rem;font-size:.75rem}@media (width<=900px){.hero-grid,.guide-layout{grid-template-columns:1fr}.guide-sidebar{border-right:none;border-bottom:1px solid var(--border);height:auto;position:static}}@media (width<=640px){.site-header-inner{flex-wrap:wrap;height:auto;padding:.65rem 0}.site-nav{gap:.65rem 1rem;width:100%;padding-bottom:.15rem}.site-nav .btn-primary{display:none}}