.eng-note{--eng-code: oklch(.185 .02 260);--eng-code-text: oklch(.91 .015 260);--eng-code-dim: oklch(.65 .025 260);--eng-shadow: 0 24px 72px oklch(.2 .03 260 / .08)}:root[data-theme=dark] .eng-note{--eng-code: oklch(.12 .015 260);--eng-code-text: oklch(.9 .012 260);--eng-code-dim: oklch(.61 .025 260);--eng-shadow: 0 26px 80px oklch(0 0 0 / .32)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]) .eng-note{--eng-code: oklch(.12 .015 260);--eng-code-text: oklch(.9 .012 260);--eng-code-dim: oklch(.61 .025 260);--eng-shadow: 0 26px 80px oklch(0 0 0 / .32)}}.eng-hero{position:relative;overflow:clip;border-bottom:1px solid var(--border)}.eng-hero:before{content:"";position:absolute;inset:-25% -15% auto;height:125%;z-index:0;pointer-events:none;background:radial-gradient(42% 54% at 16% 22%,color-mix(in oklch,var(--primary) 18%,transparent),transparent 72%),radial-gradient(38% 50% at 84% 12%,color-mix(in oklch,var(--pink-strong) 11%,transparent),transparent 74%);filter:blur(8px)}.eng-hero:after{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;background-image:radial-gradient(currentColor .55px,transparent .55px);background-size:24px 24px;color:var(--foreground);opacity:.055;mask-image:linear-gradient(#000,transparent 78%)}.eng-hero-inner{position:relative;z-index:1;padding-block:clamp(4.5rem,10vw,7.5rem) clamp(3.25rem,7vw,5rem)}.eng-eyebrow{display:flex;align-items:center;gap:.65rem;flex-wrap:wrap;margin-bottom:1.5rem;font-family:var(--font-mono);color:var(--muted-foreground);font-size:.72rem;letter-spacing:.045em;text-transform:uppercase}.eng-eyebrow a:hover{color:var(--foreground)}.eng-signal{width:7px;height:7px;border-radius:999px;background:var(--success);box-shadow:0 0 0 4px color-mix(in oklch,var(--success) 16%,transparent)}.eng-hero h1{max-width:15ch;font-size:clamp(3rem,7vw,5.7rem);line-height:.99;letter-spacing:-.045em}.eng-deck{max-width:47rem;margin-top:1.6rem;color:var(--muted-foreground);font-size:clamp(1.12rem,2vw,1.3rem);line-height:1.55}.eng-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.65rem 1.4rem;margin-top:2.3rem;color:var(--muted-foreground);font-size:.83rem}.eng-meta span{display:inline-flex;align-items:center;gap:.45rem}.eng-meta b{font-weight:500;color:var(--foreground)}.eng-meta .dot{width:4px;height:4px;border-radius:999px;background:var(--border)}.eng-shell{display:grid;grid-template-columns:minmax(0,1fr);align-items:start}.eng-rail{display:none;position:sticky;top:calc(var(--nav-h) + 2rem);padding-top:4rem}.eng-rail-label{margin-bottom:.75rem;color:var(--muted-foreground);font-family:var(--font-mono);font-size:.65rem;letter-spacing:.08em;text-transform:uppercase}.eng-rail nav{display:grid;gap:.12rem}.eng-rail a{padding:.38rem .7rem .38rem .85rem;border-left:1px solid var(--border);color:var(--muted-foreground);font-size:.82rem;transition:color .15s ease,border-color .15s ease}.eng-rail a:hover{color:var(--foreground)}.eng-rail a.active{color:var(--primary);border-left-color:var(--primary)}.eng-rail-note{max-width:13rem;margin-top:2rem;padding:.9rem;border:1px solid var(--border);border-radius:9px;background:var(--card);color:var(--muted-foreground);font-size:.74rem;line-height:1.5}.eng-rail-note strong{display:block;margin-bottom:.25rem;color:var(--foreground);font-family:var(--font-mono);font-size:.68rem;font-weight:500;text-transform:uppercase}@media(min-width:1060px){.eng-shell{grid-template-columns:13.5rem minmax(0,48rem);gap:4.5rem;justify-content:center}.eng-rail{display:block}}.eng-article{min-width:0;padding-block:4rem 6rem}.eng-abstract{display:grid;grid-template-columns:1fr;gap:1.3rem;padding:1.5rem;border:1px solid var(--border);border-radius:14px;background:var(--card);box-shadow:var(--eng-shadow)}.eng-abstract-label{color:var(--primary);font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase}.eng-abstract>p{font-size:1.02rem;line-height:1.7}.eng-theses{display:grid;grid-template-columns:1fr;gap:1px;overflow:hidden;margin-top:1px;border-radius:9px;background:var(--border)}.eng-thesis{padding:1rem;background:var(--background)}.eng-thesis b{display:block;margin-bottom:.22rem;font-size:.83rem}.eng-thesis span{color:var(--muted-foreground);font-size:.8rem;line-height:1.5}@media(min-width:620px){.eng-theses{grid-template-columns:repeat(3,1fr)}}.eng-section{padding-top:4.5rem;scroll-margin-top:calc(var(--nav-h) + 1.5rem)}.eng-section-head{margin-bottom:1.65rem}.eng-section-no{display:block;margin-bottom:.55rem;color:var(--primary);font-family:var(--font-mono);font-size:.68rem;letter-spacing:.09em;text-transform:uppercase}.eng-section h2{font-size:clamp(2rem,4vw,2.75rem)}.eng-section h3{font-size:1.28rem}.eng-section-intro{max-width:42rem;margin-top:.8rem;color:var(--muted-foreground);font-size:1.02rem}.eng-prose>p+p{margin-top:1rem}.eng-prose a{color:var(--primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.eng-prose code{padding:.12rem .35rem;border-radius:5px;background:var(--muted);font-family:var(--font-mono);font-size:.83em}.eng-system{position:relative;display:grid;grid-template-columns:1fr;gap:1rem;margin-top:2rem;padding:clamp(1.15rem,3vw,2rem);border:1px solid var(--border);border-radius:16px;background:var(--card);overflow:hidden}.eng-system:before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:32px 32px;opacity:.28;mask-image:radial-gradient(circle at center,#000,transparent 78%)}.eng-system>*{position:relative;z-index:1}.eng-device,.eng-server{padding:1.05rem;border:1px solid var(--border);border-radius:12px;background:color-mix(in oklch,var(--card) 93%,transparent)}.eng-server{border-color:color-mix(in oklch,var(--primary) 42%,var(--border));box-shadow:0 12px 42px color-mix(in oklch,var(--primary) 11%,transparent)}.eng-device-icon{width:38px;height:29px;margin-bottom:.85rem;border:2px solid var(--primary);border-radius:5px;position:relative}.eng-device-icon:after{content:"";position:absolute;width:13px;height:2px;left:10px;bottom:-7px;background:var(--primary);box-shadow:0 3px 0 -1px var(--primary)}.eng-server-icon{width:38px;height:38px;margin-bottom:.8rem;border-radius:10px;display:grid;place-items:center;background:var(--primary);color:var(--primary-foreground);font-family:var(--font-display);font-size:1.35rem}.eng-node-title{font-size:.9rem;font-weight:600}.eng-node-detail{margin-top:.3rem;color:var(--muted-foreground);font-size:.76rem;line-height:1.45}.eng-lane{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;color:var(--primary);font-family:var(--font-mono);font-size:.62rem;text-align:center;text-transform:uppercase;letter-spacing:.06em}.eng-lane:before{content:"";width:1px;height:32px;background:linear-gradient(var(--border),var(--primary))}.eng-lane:after{content:"↓";font-size:1rem}.eng-system-caption{grid-column:1 / -1;margin-top:.25rem;padding-top:1rem;border-top:1px solid var(--border);color:var(--muted-foreground);font-size:.78rem}@media(min-width:660px){.eng-system{grid-template-columns:1fr 4.25rem 1.2fr 4.25rem 1fr;align-items:stretch}.eng-lane:before{width:100%;height:1px;background:linear-gradient(90deg,var(--border),var(--primary))}.eng-lane:after{content:"→"}.eng-lane.reverse:before{background:linear-gradient(90deg,var(--primary),var(--border))}.eng-lane.reverse:after{transform:rotate(180deg)}}.eng-principles{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1.5rem}.eng-principle{padding-top:1rem;border-top:2px solid var(--border)}.eng-principle:first-child{border-color:var(--primary)}.eng-principle:nth-child(2){border-color:var(--pink-strong)}.eng-principle:nth-child(3){border-color:var(--success)}.eng-principle h3{font-family:var(--font-sans);font-size:.93rem;font-weight:600;letter-spacing:0}.eng-principle p{margin-top:.45rem;color:var(--muted-foreground);font-size:.86rem}@media(min-width:620px){.eng-principles{grid-template-columns:repeat(3,1fr)}}.eng-code-card{margin:1.6rem 0;overflow:hidden;border:1px solid color-mix(in oklch,var(--eng-code) 90%,white);border-radius:13px;background:var(--eng-code);color:var(--eng-code-text);box-shadow:0 18px 44px #00000029}.eng-code-head{display:flex;align-items:center;justify-content:space-between;min-height:2.75rem;padding:0 .95rem;border-bottom:1px solid color-mix(in oklch,var(--eng-code-text) 12%,transparent);color:var(--eng-code-dim);font-family:var(--font-mono);font-size:.68rem}.eng-copy{border:0;background:transparent;color:var(--eng-code-dim);cursor:pointer;font-family:var(--font-mono);font-size:.65rem}.eng-copy:hover{color:var(--eng-code-text)}.eng-code-card pre{overflow-x:auto;padding:1.25rem;color:var(--eng-code-text);font-family:var(--font-mono);font-size:.76rem;line-height:1.8;tab-size:2}.eng-code-card .dim{color:var(--eng-code-dim)}.eng-code-card .accent{color:oklch(.78 .12 265)}.eng-code-card .green{color:#7acf7e}.eng-layers{display:grid;gap:.75rem;margin-top:1.65rem}.eng-layer{display:grid;grid-template-columns:2.35rem minmax(0,1fr);gap:.85rem;align-items:start;padding:1rem;border:1px solid var(--border);border-radius:11px;background:var(--card)}.eng-layer-no{width:2.25rem;height:2.25rem;border-radius:8px;display:grid;place-items:center;background:var(--primary-tint);color:var(--primary);font-family:var(--font-mono);font-size:.73rem;font-weight:500}.eng-layer h3{font-family:var(--font-sans);font-size:.94rem;font-weight:600;letter-spacing:0}.eng-layer p{margin-top:.3rem;color:var(--muted-foreground);font-size:.84rem}.eng-layer-tag{display:inline-block;margin-top:.55rem;padding:.17rem .42rem;border-radius:4px;background:var(--muted);color:var(--muted-foreground);font-family:var(--font-mono);font-size:.62rem}.eng-sequence{counter-reset:step;display:grid;margin-top:1.7rem}.eng-sequence-row{counter-increment:step;position:relative;display:grid;grid-template-columns:2.8rem 1fr;gap:.85rem;padding-bottom:1.4rem}.eng-sequence-row:before{content:counter(step);width:2rem;height:2rem;border:1px solid color-mix(in oklch,var(--primary) 35%,var(--border));border-radius:999px;display:grid;place-items:center;background:var(--background);color:var(--primary);font-family:var(--font-mono);font-size:.68rem;z-index:1}.eng-sequence-row:not(:last-child):after{content:"";position:absolute;left:1rem;top:2rem;bottom:0;width:1px;background:var(--border)}.eng-sequence-row h3{font-family:var(--font-sans);font-size:.93rem;font-weight:600;letter-spacing:0;line-height:1.4}.eng-sequence-row p{margin-top:.3rem;color:var(--muted-foreground);font-size:.86rem}.eng-merge{margin-top:1.7rem;border:1px solid var(--border);border-radius:14px;background:var(--card);overflow:hidden}.eng-merge-head{padding:.9rem 1.1rem;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;gap:1rem;color:var(--muted-foreground);font-family:var(--font-mono);font-size:.66rem;letter-spacing:.045em;text-transform:uppercase}.eng-merge-grid{display:grid;grid-template-columns:1fr}.eng-record{padding:1.15rem}.eng-record+.eng-record{border-top:1px solid var(--border)}.eng-record-label{color:var(--muted-foreground);font-family:var(--font-mono);font-size:.63rem;text-transform:uppercase;letter-spacing:.065em}.eng-record-value{margin-top:.4rem;font-size:1.02rem;font-weight:600}.eng-stamp{margin-top:.4rem;color:var(--muted-foreground);font-family:var(--font-mono);font-size:.67rem}.eng-winner{background:var(--primary-tint)}.eng-winner .eng-record-value{color:var(--primary)}.eng-merge-result{padding:1rem 1.15rem;border-top:1px solid var(--border);color:var(--muted-foreground);font-size:.84rem}.eng-merge-result strong{color:var(--foreground)}@media(min-width:620px){.eng-merge-grid{grid-template-columns:1fr 1fr}.eng-record+.eng-record{border-top:0;border-left:1px solid var(--border)}}.eng-rules{display:grid;grid-template-columns:1fr;gap:1px;margin-top:1.4rem;overflow:hidden;border:1px solid var(--border);border-radius:12px;background:var(--border)}.eng-rule{padding:1.1rem;background:var(--card)}.eng-rule b{display:block;font-size:.88rem}.eng-rule p{margin-top:.3rem;color:var(--muted-foreground);font-size:.82rem}@media(min-width:620px){.eng-rules{grid-template-columns:1fr 1fr}}.eng-commit{display:grid;grid-template-columns:1fr;gap:.6rem;margin-top:1.6rem}.eng-commit-step{position:relative;min-height:6rem;padding:1rem;border:1px solid var(--border);border-radius:10px;background:var(--card)}.eng-commit-step:after{content:"↓";position:absolute;left:50%;bottom:-.95rem;z-index:2;color:var(--primary);transform:translate(-50%)}.eng-commit-step:last-child{border-color:color-mix(in oklch,var(--primary) 48%,var(--border));background:var(--primary-tint)}.eng-commit-step:last-child:after{content:none}.eng-commit-step span{color:var(--primary);font-family:var(--font-mono);font-size:.61rem;letter-spacing:.06em;text-transform:uppercase}.eng-commit-step b{display:block;margin-top:.35rem;font-size:.86rem}.eng-commit-step p{margin-top:.2rem;color:var(--muted-foreground);font-size:.76rem;line-height:1.45}@media(min-width:680px){.eng-commit{grid-template-columns:repeat(4,1fr)}.eng-commit-step:after{content:"→";left:auto;right:-.62rem;top:50%;bottom:auto;transform:translateY(-50%)}}.eng-cadence{margin-top:1.65rem;border-top:1px solid var(--border)}.eng-cadence-row{display:grid;grid-template-columns:6.5rem 1fr;gap:1.1rem;padding:.85rem 0;border-bottom:1px solid var(--border)}.eng-cadence-time{color:var(--primary);font-family:var(--font-mono);font-size:.76rem}.eng-cadence-row b{display:block;font-size:.88rem}.eng-cadence-row p{margin-top:.12rem;color:var(--muted-foreground);font-size:.8rem}.eng-bench{margin-top:1.8rem;border:1px solid var(--border);border-radius:14px;background:var(--card);overflow:hidden}.eng-bench-title{padding:1rem 1.15rem;border-bottom:1px solid var(--border)}.eng-bench-title b{display:block;font-size:.91rem}.eng-bench-title span{color:var(--muted-foreground);font-size:.75rem}.eng-bench-grid{display:grid;grid-template-columns:1fr}.eng-bench-cell{padding:1.15rem}.eng-bench-cell+.eng-bench-cell{border-top:1px solid var(--border)}.eng-bench-value{font-family:var(--font-display);font-size:2.25rem;line-height:1;letter-spacing:-.04em}.eng-bench-value em{color:var(--primary);font-style:normal}.eng-bench-label{margin-top:.4rem;color:var(--muted-foreground);font-family:var(--font-mono);font-size:.65rem;text-transform:uppercase;letter-spacing:.05em}.eng-bench-note{padding:.85rem 1.15rem;border-top:1px solid var(--border);color:var(--muted-foreground);font-size:.74rem}@media(min-width:620px){.eng-bench-grid{grid-template-columns:repeat(3,1fr)}.eng-bench-cell+.eng-bench-cell{border-top:0;border-left:1px solid var(--border)}}.eng-trust{display:grid;grid-template-columns:1fr;gap:1rem;margin-top:1.6rem}.eng-trust-card{padding:1.2rem;border:1px solid var(--border);border-radius:12px;background:var(--card)}.eng-trust-icon{width:2rem;height:2rem;margin-bottom:.85rem;border-radius:8px;display:grid;place-items:center;background:var(--primary-tint);color:var(--primary);font-family:var(--font-mono);font-size:.72rem}.eng-trust-card h3{font-family:var(--font-sans);font-size:.93rem;font-weight:600;letter-spacing:0}.eng-trust-card p{margin-top:.4rem;color:var(--muted-foreground);font-size:.82rem}.eng-trust-card.candid{border-color:color-mix(in oklch,var(--warning) 38%,var(--border));background:color-mix(in oklch,var(--warning) 7%,var(--card))}.eng-trust-card.candid .eng-trust-icon{background:color-mix(in oklch,var(--warning) 14%,transparent);color:var(--warning)}@media(min-width:620px){.eng-trust{grid-template-columns:1fr 1fr}}.eng-scope-table{margin-top:1.6rem;border:1px solid var(--border);border-radius:12px;overflow:hidden}.eng-scope-row{display:grid;grid-template-columns:1fr;gap:.3rem;padding:.95rem 1.05rem;background:var(--card)}.eng-scope-row+.eng-scope-row{border-top:1px solid var(--border)}.eng-scope-row b{font-size:.86rem}.eng-scope-row span{color:var(--muted-foreground);font-size:.81rem}.eng-scope-row .yes{color:var(--success)}.eng-scope-row .no{color:var(--muted-foreground)}@media(min-width:620px){.eng-scope-row{grid-template-columns:8.5rem 1fr;gap:1rem}}.eng-closing{margin-top:4.5rem;padding:clamp(1.4rem,4vw,2.2rem);border-radius:15px;background:var(--foreground);color:var(--background)}.eng-closing .eng-section-no{color:color-mix(in oklch,var(--primary) 72%,white)}.eng-closing h2{max-width:17ch}.eng-closing p{max-width:39rem;margin-top:.9rem;color:color-mix(in oklch,var(--background) 70%,transparent)}.eng-closing-links{display:flex;flex-wrap:wrap;gap:.7rem;margin-top:1.5rem}.eng-closing-link{padding:.63rem .9rem;border:1px solid color-mix(in oklch,var(--background) 25%,transparent);border-radius:7px;color:var(--background);font-size:.82rem}.eng-closing-link.primary{border-color:var(--primary);background:var(--primary);color:var(--primary-foreground)}.eng-mobile-index{margin-top:2rem}.eng-mobile-index summary{cursor:pointer;list-style:none;padding:.75rem .9rem;border:1px solid var(--border);border-radius:8px;background:var(--card);font-size:.84rem}.eng-mobile-index summary::-webkit-details-marker{display:none}.eng-mobile-index nav{display:grid;padding:.65rem .2rem 0}.eng-mobile-index a{padding:.4rem .7rem;color:var(--muted-foreground);font-size:.82rem}@media(min-width:1060px){.eng-mobile-index{display:none}}.eng-index{padding-block:clamp(4rem,9vw,7rem) clamp(5rem,10vw,8rem)}.eng-index-head{display:grid;grid-template-columns:minmax(0,1fr);gap:2rem;align-items:end;padding-bottom:clamp(2.8rem,6vw,4.5rem);border-bottom:1px solid var(--border)}.eng-index-head h1{max-width:12ch;font-size:clamp(3rem,7vw,5.5rem);line-height:1;letter-spacing:-.045em}.eng-index-lead{max-width:39rem;margin-top:1.35rem;color:var(--muted-foreground);font-size:clamp(1.08rem,2vw,1.24rem)}.eng-index-mark{display:none;min-height:12rem;padding:1.2rem;border:1px solid var(--border);border-radius:15px;background:var(--card);box-shadow:var(--eng-shadow)}.eng-index-mark .bar{height:1.8rem;border-radius:6px;background:var(--muted)}.eng-index-mark .bar+.bar{margin-top:.65rem}.eng-index-mark .bar:nth-child(1){width:58%;background:var(--primary)}.eng-index-mark .bar:nth-child(2){width:92%}.eng-index-mark .bar:nth-child(3){width:75%}.eng-index-mark .bar:nth-child(4){width:84%;background:var(--primary-tint)}@media(min-width:800px){.eng-index-head{grid-template-columns:minmax(0,1fr) 18rem;gap:5rem}.eng-index-mark{display:block}}.eng-index-list{padding-top:clamp(2.8rem,6vw,4.5rem)}.eng-index-kicker{color:var(--primary);font-family:var(--font-mono);font-size:.68rem;letter-spacing:.09em;text-transform:uppercase}.eng-article-card{display:grid;grid-template-columns:minmax(0,1fr);gap:1.4rem;margin-top:1.3rem;padding:clamp(1.35rem,4vw,2.15rem);border:1px solid var(--border);border-radius:15px;background:var(--card);transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease}.eng-article-card:hover{border-color:color-mix(in oklch,var(--primary) 45%,var(--border));transform:translateY(-2px);box-shadow:var(--eng-shadow)}.eng-card-meta{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;color:var(--muted-foreground);font-family:var(--font-mono);font-size:.67rem}.eng-card-meta span{padding:.2rem .5rem;border:1px solid var(--border);border-radius:999px}.eng-article-card h2{max-width:15ch;font-size:clamp(1.9rem,4vw,2.8rem)}.eng-article-card p{max-width:40rem;margin-top:.75rem;color:var(--muted-foreground)}.eng-card-action{align-self:end;color:var(--primary);font-family:var(--font-mono);font-size:.78rem}@media(min-width:760px){.eng-article-card{grid-template-columns:minmax(0,1fr) 9rem}}.eng-index-note{max-width:39rem;margin-top:1.4rem;color:var(--muted-foreground);font-size:.82rem}