:root{color-scheme:dark;--bg:#101311;--surface:#151a17;--raised:#1b211c;--border:#2a332d;--strong:#3b483e;--text:#e8eee7;--soft:#c1cbc1;--muted:#879389;--dim:#5f6b62;--acid:#b4e27e;--orange:#e7a879;--mono:"IBM Plex Mono",Consolas,monospace;--sans:"DM Sans","Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.65 var(--sans)}button,input{font:inherit}a{color:inherit;text-decoration:none}::selection{background:var(--acid);color:#101311}
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.layout{display:grid;grid-template-columns:242px minmax(0,1fr);max-width:1600px;margin:auto}.sidebar{border-right:1px solid var(--border)}.sidebar-inner{position:sticky;top:62px;height:calc(100vh - 62px);min-height:620px;display:flex;flex-direction:column;padding:34px 20px 22px 25px}.side-label{margin-bottom:13px;color:var(--dim);font:9px var(--mono);letter-spacing:.12em}.side-nav{display:grid;gap:3px}.nav-link{min-height:37px;display:flex;align-items:center;gap:12px;padding:0 10px;border-left:2px solid transparent;color:var(--muted);font-size:11px;transition:all .15s}.nav-link:hover,.nav-link.active{color:var(--text);background:#1a201c;border-left-color:var(--acid)}.nav-link span{color:var(--dim);font:9px var(--mono)}.nav-link.active span{color:var(--acid)}.side-rule{height:1px;margin:25px 0 21px;background:var(--border)}.quick-link{display:flex;align-items:center;gap:10px;padding:7px 3px;color:var(--muted);font-size:10px}.quick-link:hover{color:var(--acid)}.quick-link span{width:22px;color:var(--dim);font:10px var(--mono)}.sidebar-bottom{margin-top:auto}.reading-card{display:flex;flex-direction:column;gap:12px;padding:15px 13px;background:linear-gradient(145deg,#1b241c,#151a17 78%);border:1px solid #303b30}.reading-card small{color:var(--muted);font:8px var(--mono);letter-spacing:.06em}.reading-card strong{font-size:12px;line-height:1.55;font-weight:500}.reading-card small:last-child{font-size:7px}.reading-card i{display:inline-block;width:3px;height:3px;margin:0 5px 2px;border-radius:50%;background:var(--acid)}.sidebar-bottom p{margin:13px 2px 0;color:var(--dim);font-size:9px;line-height:1.6}
.content{min-width:0;max-width:1260px;padding:0 7.2%}.toolbar{position:sticky;z-index:10;top:62px;height:57px;display:flex;align-items:center;justify-content:space-between;margin:0 -2px;background:#101311ed;border-bottom:1px solid var(--border);backdrop-filter:blur(14px)}.breadcrumbs{display:flex;gap:9px;align-items:center;color:var(--dim);font:8px var(--mono)}.breadcrumbs b{color:#465148;font-weight:400}.breadcrumbs strong{color:var(--muted);font-weight:500}.search{width:min(250px,38%);height:30px;display:flex;align-items:center;gap:8px;padding:0 8px;border:1px solid var(--border);background:#131714}.search:focus-within{border-color:#617651}.search svg{width:14px;flex:none;fill:none;stroke:var(--muted);stroke-width:1.5}.search input{width:100%;min-width:0;padding:0;outline:0;border:0;background:transparent;color:var(--text);font-size:9px}.search input::placeholder{color:var(--dim)}kbd{padding:1px 4px;border:1px solid var(--border);color:var(--dim);font:8px var(--mono)}.search-status{display:none;padding:7px 0;color:var(--acid);font-size:10px}.search-status.visible{display:block}
.intro{padding:52px 0 37px;border-bottom:1px solid var(--border)}.eyebrow{display:flex;align-items:center;gap:9px;color:var(--acid);font:9px var(--mono);letter-spacing:.1em}h1{margin:18px 0 20px;font-size:clamp(44px,5vw,66px);font-weight:500;line-height:.99;letter-spacing:0}h1 span{color:var(--acid)}.intro-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:35px;align-items:end}.intro-row>p{max-width:560px;margin:0;color:var(--soft);font-size:13px;line-height:1.75}.stats{display:flex;gap:24px}.stats div{display:grid;gap:2px}.stats b{font:18px var(--mono)}.stats small{color:var(--dim);font:7px var(--mono);white-space:nowrap}.intro-foot{display:flex;justify-content:space-between;margin-top:29px;padding-top:11px;border-top:1px solid var(--border);color:var(--dim);font:8px var(--mono)}.intro-foot b{color:var(--soft);font-weight:400}
.section{padding:41px 0 47px;border-bottom:1px solid var(--border);scroll-margin-top:125px}.section-head{max-width:780px;margin-bottom:24px}.section-no{margin-bottom:8px;color:var(--acid);font:9px var(--mono);letter-spacing:.1em}.section-no i{color:var(--dim);font-style:normal}h2{margin:0;font-size:26px;line-height:1.3;font-weight:500;letter-spacing:0}.section-head>p{max-width:730px;margin:8px 0 0;color:var(--muted);font-size:11px;line-height:1.8}.metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--border);border-left:1px solid var(--border)}.metric-card{min-height:184px;padding:15px 17px 13px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:#121613}.metric-card.accented{background:linear-gradient(135deg,#192019,#131714 80%)}.metric-meta{display:flex;justify-content:space-between;align-items:center}.metric-meta b{color:var(--acid);font:21px var(--mono)}.metric-meta small{color:var(--dim);font:7px var(--mono);letter-spacing:.08em}.metric-card h3,.prose-grid h3{margin:7px 0 4px;font-size:14px;font-weight:600}.metric-card p{margin:0;color:var(--muted);font-size:10px;line-height:1.7}.metric-foot{margin-top:12px;color:var(--dim);font:7px var(--mono)}.metric-foot span{margin-left:6px;color:var(--soft);font:9px var(--sans)}.formula{margin-top:4px;color:var(--acid);font:17px var(--mono)}.example-band{display:grid;grid-template-columns:130px minmax(0,1.1fr) minmax(220px,.9fr);gap:18px;margin-top:13px;padding:15px;border:1px solid var(--strong);background:#171d18}.example-label{display:flex;align-items:flex-start;gap:7px;color:var(--soft);font:8px var(--mono)}.example-label small{margin-left:auto;color:var(--dim)}.example-label i{width:5px;height:5px}.example-band strong{font-size:11px}.example-band p{margin:4px 0 0;color:var(--muted);font-size:9px;line-height:1.7}.result{padding-left:14px;border-left:1px solid var(--strong)}.result small{display:block;color:var(--dim);font:7px var(--mono)}.result b{color:var(--acid);font:14px var(--mono)}.result p{font-size:8px}.prose-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:25px}.prose-grid h3{margin-top:0}.prose-grid p{margin:0;color:var(--muted);font-size:10px;line-height:1.85}.prose-grid b{color:var(--soft)}.callout{display:flex;align-items:flex-start;gap:10px;margin-top:20px;padding:11px 13px;border-left:2px solid var(--acid);background:#171d18}.callout>b{flex:none;display:grid;place-items:center;width:16px;height:16px;border:1px solid #516245;border-radius:50%;color:var(--acid);font:9px var(--mono)}.callout p{margin:0;color:var(--muted);font-size:9px;line-height:1.75}.callout strong{color:var(--soft)}.caution{border-left-color:var(--orange)}.caution>b{border-color:#765944;color:var(--orange)}
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.diagnostics{border-top:1px solid var(--border)}.diagnostics article{display:grid;grid-template-columns:23px minmax(0,1fr) auto;gap:10px;padding:15px 3px;border-bottom:1px solid var(--border)}.diagnostics article>span{padding-top:2px;color:var(--acid);font:9px var(--mono)}.diagnostics h3{margin:0 0 4px;font-size:12px;font-weight:600}.diagnostics p{margin:0;color:var(--muted);font-size:9px;line-height:1.8}.diagnostics code,.database code{color:var(--acid);font:9px var(--mono)}.diagnostics article>small{align-self:start;padding:2px 5px;border:1px solid var(--strong);color:var(--dim);font:7px var(--mono)}.diagnostics pre{margin-top:9px;padding:9px 11px;border-left:1px solid #526247;background:#0d100e;color:#abb7ac;font-size:8px}.terminal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.terminal-grid article{min-width:0;border:1px solid var(--border);background:#121613}.terminal-grid header{display:flex;align-items:center;gap:8px;padding:8px 10px;border-bottom:1px solid var(--border)}.terminal-grid header span{color:var(--orange);font-size:7px;letter-spacing:-2px}.terminal-grid header b{color:var(--soft);font:7px var(--mono);letter-spacing:.05em}.terminal-grid header small{margin-left:auto;color:var(--dim);font:7px var(--mono)}.terminal-grid pre{min-height:105px;padding:9px 10px;color:#aab7aa;font-size:7px;line-height:1.65}.terminal-grid pre b{color:var(--acid);font-weight:500}.terminal-grid article>p{min-height:48px;margin:0;padding:0 10px 9px;color:var(--muted);font-size:8px;line-height:1.65}.database{margin-top:23px;padding:15px;border:1px solid var(--strong);background:#151a17}.db-heading{display:flex;align-items:end;justify-content:space-between;padding-bottom:11px;border-bottom:1px solid var(--border)}.db-heading small,.db-cols>div>small{color:var(--acid);font:7px var(--mono);letter-spacing:.1em}.db-heading h3{margin:3px 0 0;font-size:14px}.db-heading>span{padding:3px 6px;border:1px solid #405344;color:#9cc7a4;font:7px var(--mono)}.db-cols{display:grid;grid-template-columns:1fr .8fr;gap:18px;padding:12px 0}.db-cols p{margin:0 0 8px;color:var(--muted);font-size:9px;line-height:1.8}.db-cols pre{margin-top:5px;padding:8px;border:1px solid var(--border);background:#0e120f;font-size:7px;line-height:1.7}.database>aside{padding:9px 10px;border-left:2px solid var(--orange);background:#1e1a16;color:var(--muted);font-size:8px;line-height:1.7}.database>aside b{color:var(--orange);font:7px var(--mono)}
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@media(min-width:1500px){.content{padding-right:8.5%;padding-left:8.5%}}
@media(max-width:1100px){.layout{grid-template-columns:210px minmax(0,1fr)}.content{padding-right:5%;padding-left:5%}.intro-row{grid-template-columns:1fr;gap:18px}.example-band{grid-template-columns:110px 1fr}.result{grid-column:2;padding:9px 0 0;border-top:1px solid var(--strong);border-left:0}}
@media(max-width:760px){.topbar{height:56px;padding:0 17px}.top-meta{margin-left:auto;margin-right:16px;font-size:8px}.menu-toggle{display:flex;width:32px;height:32px;flex-direction:column;justify-content:center;gap:5px;padding:6px;border:1px solid var(--border);background:transparent}.menu-toggle span{height:1px;background:var(--soft)}.layout{display:block}.sidebar{position:fixed;z-index:14;top:56px;bottom:0;left:0;width:min(290px,86vw);border-right:1px solid var(--border);background:var(--bg);transform:translateX(-102%);transition:transform .22s}.sidebar.open{transform:translateX(0)}.sidebar-inner{top:56px;height:calc(100dvh - 56px);min-height:0;padding:24px 19px}.content{padding:0 20px}.toolbar{top:56px;height:52px}.breadcrumbs{gap:6px;font-size:7px}.breadcrumbs:first-letter{display:none}.search{width:min(180px,54%)}.intro{padding-top:39px}h1{font-size:48px}.section{padding-top:33px}.metric-grid{grid-template-columns:1fr}.metric-card{min-height:0}.prose-grid{grid-template-columns:1fr;gap:17px}.example-band{grid-template-columns:1fr;gap:10px}.result{grid-column:auto}.signal-flow{gap:6px;padding:10px}.signal-flow>div{grid-template-columns:16px 1fr;gap:2px 5px}.signal-flow strong{font-size:7px}.signal-flow span{font-size:7px}.signal-flow>b{font-size:11px}.percentile-panel{grid-template-columns:1fr;gap:17px}.chart{padding-left:31px}.terminal-grid{grid-template-columns:1fr}.terminal-grid pre{min-height:0}.terminal-grid article>p{min-height:0}.db-cols{grid-template-columns:1fr;gap:10px}.architecture{gap:4px;padding:9px 6px}.architecture>div{min-width:0;width:auto;flex:1;padding:7px 5px}.architecture>div b{font-size:8px}.architecture>div span{font-size:6px}.architecture>div small{font-size:6px}.architecture>i{flex:0 0 12px}.diagnostics article{grid-template-columns:18px 1fr;gap:7px}.diagnostics article>small{display:none}.footer{flex-wrap:wrap;padding:15px 0}.footer>span{order:3;flex-basis:100%}}
@media(max-width:420px){.top-meta{letter-spacing:0}.brand-sub{font-size:7px}.breadcrumbs{font-size:7px}.search{width:48%}.search input{font-size:8px}h1{font-size:42px}.stats{justify-content:space-between;gap:8px}.stats small{font-size:6px}h2{font-size:23px}.signal-flow{gap:4px;padding:8px 5px}.signal-flow>div{grid-template-columns:13px 1fr}.signal-flow>div>small{font-size:7px}.signal-flow strong,.signal-flow span{font-size:6px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}

/* Full-width reading layout and accessible control sizing. */
.sidebar-inner{overflow-y:auto;overscroll-behavior:contain}
.deep-dive{margin:16px 0;border:1px solid var(--strong);background:var(--surface)}
.deep-dive summary{display:flex;align-items:center;min-height:46px;padding:10px 14px;color:var(--text);cursor:pointer;font-size:15px;font-weight:600;list-style-position:inside}
.deep-dive summary::marker{color:var(--acid)}
.deep-dive summary:hover{color:var(--acid)}
.deep-dive summary:focus-visible{outline:2px solid var(--acid);outline-offset:2px}
.details-content{padding:0 14px 15px;border-top:1px solid var(--border)}
.details-content>p{margin:12px 0;color:var(--muted)}
.details-content .code-panel{margin:12px 0}
.details-content .body-note{padding:10px 12px;border-left:2px solid var(--acid);background:var(--raised)}
.plan-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:13px 0}
.plan-compare article{min-width:0;border:1px solid var(--border);background:var(--bg)}
.plan-compare header{padding:9px 11px;border-bottom:1px solid var(--border);color:var(--soft);font:11px var(--mono)}
.plan-compare pre{font-size:12px}
.plan-compare p{margin:0;padding:0 11px 11px;color:var(--muted);font-size:13px}
:root[data-theme="light"] .plan-compare article{background:var(--surface)}
:root{--control-bg:#171d18;--code-bg:#0d100e;color-scheme:dark}
.checklist{display:grid;gap:0;margin:16px 0;border-top:1px solid var(--border)}
.checklist label{display:grid;grid-template-columns:20px minmax(0,1fr);gap:10px;align-items:start;padding:12px 5px;border-bottom:1px solid var(--border);cursor:pointer}
.checklist input[type="checkbox"]{width:17px;height:17px;margin:2px 0 0;accent-color:var(--acid);cursor:pointer}
.checklist label>span{display:grid;gap:2px;min-width:0}
.checklist strong{color:var(--text);font-size:14px;font-weight:600}
.checklist small{color:var(--muted);font-size:13px;line-height:1.55}
.checklist input:checked+span strong{text-decoration:line-through;text-decoration-color:var(--dim);color:var(--muted)}
.checklist label:focus-within{outline:1px solid var(--acid);outline-offset:-1px}
.checklist-large label{padding:15px 8px}
@media(max-width:760px){.checklist label{gap:8px;padding:11px 3px}.checklist strong{font-size:13px}.checklist small{font-size:12px}}
:root[data-theme="light"]{color-scheme:light;--bg:#f3f5f0;--surface:#fff;--raised:#e8eee6;--border:#d7ded5;--strong:#b9c5b8;--text:#202720;--soft:#38443a;--muted:#5b6a5f;--dim:#768279;--acid:#567d30;--orange:#995325;--control-bg:#fff;--code-bg:#e9eee8}
body{font-size:18px;line-height:1.65}
.layout{max-width:none}
.content{max-width:none;padding-right:clamp(28px,4vw,76px);padding-left:clamp(28px,4vw,76px)}
main.content p{font-size:16px;line-height:1.7}
main.content h2{font-size:32px}
main.content h3{font-size:20px;line-height:1.35}
main.content th,main.content td{font-size:14px;line-height:1.65}
main.content pre{font-size:13px;line-height:1.7}
.nav-link,.quick-link{font-size:14px}
.search input{font-size:14px}
.topbar{background:color-mix(in srgb,var(--bg) 94%,transparent)}
.top-controls{display:flex;align-items:center;gap:8px;margin-left:auto}
.language-toggle,.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:34px;padding:0 11px;border:1px solid var(--border);background:var(--control-bg);color:var(--text);cursor:pointer;font:11px var(--mono)}
.language-toggle:hover,.theme-toggle:hover{border-color:var(--acid);color:var(--acid)}
.language-toggle i{width:1px;height:13px;background:var(--border)}
.language-toggle span{color:var(--acid)}
.theme-toggle span:first-child{font-size:15px}
.theme-label{font-size:9px;letter-spacing:.07em}
.menu-toggle{margin-left:10px}
:root[data-theme="light"] body{background:var(--bg);color:var(--text)}
:root[data-theme="light"] .topbar,:root[data-theme="light"] .toolbar{background:color-mix(in srgb,var(--bg) 95%,transparent)}
:root[data-theme="light"] .sidebar,:root[data-theme="light"] .sidebar-inner{background:var(--bg)}
:root[data-theme="light"] .nav-link.active,:root[data-theme="light"] .nav-link:hover{background:var(--raised)}
:root[data-theme="light"] .search,:root[data-theme="light"] .reading-card,:root[data-theme="light"] .metric-card,:root[data-theme="light"] .signal-flow,:root[data-theme="light"] .terminal-grid article,:root[data-theme="light"] .database,:root[data-theme="light"] .architecture,:root[data-theme="light"] .architecture>div,:root[data-theme="light"] .example-band,:root[data-theme="light"] .callout,:root[data-theme="light"] .closing,:root[data-theme="light"] .percentile-panel{background:var(--surface)}
:root[data-theme="light"] .metric-card.accented,:root[data-theme="light"] .architecture>div.hot{background:var(--raised)}
:root[data-theme="light"] .code-panel,:root[data-theme="light"] .terminal-grid pre,:root[data-theme="light"] .diagnostics pre,:root[data-theme="light"] .db-cols pre{background:var(--code-bg)}
:root[data-theme="light"] pre{color:#263329}
:root[data-theme="light"] .kw{color:#315f20}:root[data-theme="light"] .str{color:#8a4b1f}:root[data-theme="light"] .num{color:#205c78}:root[data-theme="light"] .comment{color:#65746a}
:root[data-theme="light"] thead th{background:var(--raised)}
:root[data-theme="light"] .database>aside{background:#f8eee3}
:root[data-theme="light"] .caution{background:#f8eee3}
:root[data-theme="light"] .plot .curve{stroke:var(--acid)}
@media(max-width:760px){.diagnostics article{grid-template-columns:18px minmax(0,1fr)}.diagnostics article>div{min-width:0}.diagnostics code{overflow-wrap:anywhere}.db-cols{grid-template-columns:minmax(0,1fr)}.db-cols>div{min-width:0}}
@media(max-width:760px){.top-meta{display:none}.top-controls{margin-left:auto}.language-toggle,.theme-toggle{height:32px;padding:0 8px}.theme-label{display:none}.menu-toggle{margin-left:6px}.content{padding-right:20px;padding-left:20px}main.content h2{font-size:28px}.plan-compare{grid-template-columns:1fr}.deep-dive summary{font-size:14px}}