@import "https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&family=Syne:wght@400;700;800;900&display=swap";
:root{--lb-bg:#04080f;--lb-bg2:#080f1a;--lb-bg3:#0b1422;--lb-border:#111c2a;--lb-text:#d4dce8;--lb-muted:#556070;--lb-yellow:#fbbf24;--lb-blue:#38bdf8;--lb-green:#34d399;--lb-pink:#f472b6;--lb-red:#f87171;--lb-mono:"JetBrains Mono",monospace;--lb-sans:"Syne",system-ui,sans-serif}.lb-root{background:var(--lb-bg);min-height:100vh;color:var(--lb-text);font-family:var(--lb-sans);position:relative}.lb-root:before{content:"";pointer-events:none;z-index:0;background-image:linear-gradient(#fbbf2405 1px,#0000 1px),linear-gradient(90deg,#fbbf2405 1px,#0000 1px);background-size:40px 40px;position:fixed;inset:0}.lb-nav{z-index:100;border-bottom:1px solid var(--lb-border);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#04080feb;position:sticky;top:0}.lb-nav-inner{justify-content:space-between;align-items:center;max-width:900px;margin:0 auto;padding:.85rem 2rem;display:flex}.lb-brand{font-family:var(--lb-mono);color:var(--lb-text);font-size:.88rem;font-weight:700;text-decoration:none}.lb-brand em{color:var(--lb-pink);font-style:normal}.lb-back{font-family:var(--lb-mono);color:var(--lb-muted);font-size:.7rem;text-decoration:none;transition:color .2s}.lb-back:hover{color:var(--lb-yellow)}.lb-main{z-index:1;max-width:900px;margin:0 auto;padding:0 2rem 6rem;position:relative}.lb-hero{padding:4rem 0 3rem}.lb-eyebrow{font-family:var(--lb-mono);color:var(--lb-yellow);letter-spacing:.15em;text-transform:uppercase;align-items:center;gap:.75rem;margin-bottom:1rem;font-size:.7rem;display:flex}.lb-eyebrow:before{content:"";background:var(--lb-yellow);width:24px;height:1px;display:inline-block}.lb-title{font-family:var(--lb-sans);letter-spacing:-.03em;color:#fff;margin-bottom:1.5rem;font-size:clamp(2.5rem,6vw,4rem);font-weight:900;line-height:1}.lb-title span{color:var(--lb-yellow)}.lb-cover{border-radius:12px;grid-template-rows:200px 200px;grid-template-columns:2fr 1fr;gap:6px;margin-bottom:3rem;display:grid;overflow:hidden}.lb-cover-main{grid-row:1/3;position:relative;overflow:hidden}.lb-cover-main img,.lb-cover-side img{object-fit:cover;cursor:pointer;width:100%;height:100%;transition:transform .4s}.lb-cover-main:hover img,.lb-cover-side:hover img{transform:scale(1.04)}.lb-cover-side{position:relative;overflow:hidden}.lb-meta{background:var(--lb-bg2);border:1px solid var(--lb-border);font-family:var(--lb-mono);border-radius:10px;flex-wrap:wrap;gap:1.5rem;margin-bottom:3rem;padding:1.25rem 1.5rem;font-size:.72rem;display:flex}.lb-meta-item{flex-direction:column;gap:.2rem;display:flex}.lb-meta-label{color:var(--lb-muted);letter-spacing:.1em;text-transform:uppercase;font-size:.62rem}.lb-meta-val{color:var(--lb-text);font-weight:600}.lb-meta-val.yellow{color:var(--lb-yellow)}.lb-meta-val.green{color:var(--lb-green)}.lb-meta-val.blue{color:var(--lb-blue)}.lb-section{margin-bottom:3.5rem}.lb-section-num{font-family:var(--lb-mono);color:var(--lb-yellow);letter-spacing:.12em;text-transform:uppercase;align-items:center;gap:.75rem;margin-bottom:.5rem;font-size:.65rem;display:flex}.lb-section-num:after{content:"";background:var(--lb-border);flex:1;height:1px}.lb-section-title{font-family:var(--lb-sans);color:#fff;margin-bottom:1rem;font-size:1.5rem;font-weight:800}.lb-prose{font-family:var(--lb-mono);color:var(--lb-muted);max-width:680px;font-size:.8rem;line-height:1.9}.lb-prose a{color:var(--lb-blue);text-decoration:none}.lb-prose a:hover{text-decoration:underline}.lb-materials{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px;margin-top:1.25rem;display:grid}.lb-material-item{background:var(--lb-bg2);border:1px solid var(--lb-border);font-family:var(--lb-mono);border-radius:8px;align-items:flex-start;gap:.75rem;padding:.85rem 1rem;font-size:.75rem;display:flex}.lb-material-dot{background:var(--lb-yellow);border-radius:50%;flex-shrink:0;width:6px;height:6px;margin-top:4px}.lb-material-name{color:var(--lb-text);margin-bottom:.15rem;font-weight:600;display:block}.lb-material-note{color:var(--lb-muted);font-size:.68rem}.lb-step{background:var(--lb-bg2);border:1px solid var(--lb-border);border-radius:12px;grid-template-columns:1fr 1fr;align-items:start;gap:2rem;margin-top:1.25rem;padding:2rem;display:grid}.lb-step.reverse{direction:rtl}.lb-step.reverse>*{direction:ltr}.lb-step-full{background:var(--lb-bg2);border:1px solid var(--lb-border);border-radius:12px;margin-top:1.25rem;padding:2rem}.lb-step-photo{aspect-ratio:4/3;cursor:pointer;border-radius:8px;position:relative;overflow:hidden}.lb-step-photo img{object-fit:cover;width:100%;height:100%;transition:transform .3s}.lb-step-photo:hover img{transform:scale(1.04)}.lb-step-label{font-family:var(--lb-mono);color:var(--lb-yellow);letter-spacing:.1em;text-transform:uppercase;margin-bottom:.5rem;font-size:.62rem}.lb-step-title{font-family:var(--lb-sans);color:#fff;margin-bottom:.75rem;font-size:1.1rem;font-weight:800}.lb-diagram{border:1px solid var(--lb-border);cursor:pointer;border-radius:10px;margin-top:1rem;overflow:hidden}.lb-diagram img{filter:brightness(.92);width:100%;height:auto;transition:transform .3s;display:block}.lb-diagram:hover img{filter:brightness();transform:scale(1.02)}.lb-code{border:1px solid var(--lb-border);font-family:var(--lb-mono);color:var(--lb-muted);background:#020408;border-radius:8px;margin-top:1rem;padding:1.25rem 1.5rem;font-size:.72rem;line-height:1.8;overflow-x:auto}.lb-code .acc{color:var(--lb-yellow);font-weight:600}.lb-code .val{color:var(--lb-blue)}.lb-code .cmt{color:#3a4a5a;font-style:italic}.lb-code .ok{color:var(--lb-green)}.lb-gallery{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:1.25rem;display:grid}.lb-gallery-item{aspect-ratio:4/3;cursor:pointer;border-radius:8px;position:relative;overflow:hidden}.lb-gallery-item img{object-fit:cover;opacity:.75;width:100%;height:100%;transition:transform .3s,opacity .3s}.lb-gallery-item:hover img{opacity:1;transform:scale(1.05)}.lb-lightbox{z-index:9999;background:#000000eb;justify-content:center;align-items:center;padding:2rem;display:flex;position:fixed;inset:0}.lb-lightbox img{object-fit:contain;border-radius:8px;max-width:100%;max-height:90vh}.lb-lightbox-close{font-family:var(--lb-mono);color:var(--lb-muted);cursor:pointer;background:0 0;border:none;padding:.5rem;font-size:.8rem;position:absolute;top:1.5rem;right:1.5rem}.lb-lightbox-close:hover{color:#fff}.lb-tags{flex-wrap:wrap;gap:.4rem;margin-top:1rem;display:flex}.lb-tag{font-family:var(--lb-mono);border:1px solid var(--lb-border);color:var(--lb-muted);border-radius:3px;padding:.2rem .55rem;font-size:.62rem}@media (max-width:700px){.lb-cover{grid-template-rows:240px 120px 120px;grid-template-columns:1fr}.lb-cover-main{grid-row:auto}.lb-step{grid-template-columns:1fr}.lb-step.reverse{direction:ltr}.lb-gallery{grid-template-columns:1fr 1fr}.lb-main{padding:0 1rem 4rem}}