:root{--color-atlas-paper:#f5f0e5;--color-atlas-paper-deep:#ece5d5;--color-atlas-surface:#fffdf7;--color-atlas-surface-2:#f0e9da;--color-atlas-ink:#1b2622;--color-atlas-ink-muted:#445149;--color-atlas-ink-subtle:#5a665e;--color-atlas-line:#d6cbb7;--color-atlas-line-strong:#766a56;--color-atlas-accent:#0a5a4c;--color-atlas-accent-bright:#0a6d5b;--color-atlas-accent-ink:#f7fffb;--color-atlas-accent-soft:#d8eae3;--color-atlas-change:#853b22;--color-atlas-change-soft:#f0ddd2;--color-atlas-warning:#694300;--color-atlas-warning-soft:#f4e6c6;--color-atlas-focus:#174ba8;--atlas-font-text:"Inter", ui-sans-serif, system-ui, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--atlas-font-display:Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", "Times New Roman", serif;--atlas-font-mono:ui-monospace, "SFMono-Regular", "JetBrains Mono", Menlo, Consolas, monospace;--atlas-text-2xs:.6875rem;--atlas-text-xs:.75rem;--atlas-text-sm:.875rem;--atlas-text-base:1rem;--atlas-text-lg:1.125rem;--atlas-text-xl:1.375rem;--atlas-text-2xl:clamp(1.75rem, 1.25rem + 1.5vw, 2.5rem);--atlas-text-display:clamp(2.5rem, 1.6rem + 4vw, 5rem);--atlas-leading-tight:1.12;--atlas-leading-snug:1.35;--atlas-leading-text:1.72;--atlas-tracking-display:-.035em;--atlas-tracking-kicker:.14em;--atlas-space-1:.25rem;--atlas-space-2:.5rem;--atlas-space-3:.75rem;--atlas-space-4:1rem;--atlas-space-5:1.5rem;--atlas-space-6:2rem;--atlas-space-7:3rem;--atlas-space-8:4.5rem;--atlas-space-9:6rem;--atlas-width-default:72rem;--atlas-width-wide:84rem;--atlas-width-reading:68ch;--atlas-radius-sm:4px;--atlas-radius-md:10px;--atlas-radius-lg:18px;--atlas-border:1px solid var(--color-atlas-line);--atlas-shadow:0 1px 0 #1b26220a, 0 18px 40px -32px #1b262273;--atlas-focus-ring:3px solid var(--color-atlas-focus);--atlas-focus-offset:3px;--atlas-touch-target:44px;--atlas-duration-fast:.12s;--atlas-duration-base:.22s;--atlas-ease:cubic-bezier(.2, .7, .2, 1)}.atlas-root{background-color:var(--color-atlas-paper);min-height:100vh;color:var(--color-atlas-ink);font-family:var(--atlas-font-text);font-size:var(--atlas-text-base);line-height:var(--atlas-leading-text);text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}.atlas-root *,.atlas-root :before,.atlas-root :after{box-sizing:border-box}.atlas-root :focus-visible,.atlas-root a:focus-visible,.atlas-root button:focus-visible,.atlas-root input:focus-visible,.atlas-root select:focus-visible,.atlas-root summary:focus-visible{outline:var(--atlas-focus-ring);outline-offset:var(--atlas-focus-offset);border-radius:var(--atlas-radius-sm)}.atlas-root ::selection{background:var(--color-atlas-accent);color:var(--color-atlas-accent-ink)}.atlas-root h1,.atlas-root h2,.atlas-root h3{font-family:var(--atlas-font-display);letter-spacing:-.02em;text-wrap:balance;font-weight:600}.atlas-root p{text-wrap:pretty}.atlas-root a{color:var(--color-atlas-accent);text-underline-offset:3px;text-decoration-line:underline;text-decoration-thickness:1px;-webkit-text-decoration-color:color-mix(in srgb, var(--color-atlas-accent) 40%, transparent);text-decoration-color:color-mix(in srgb, var(--color-atlas-accent) 40%, transparent)}.atlas-root a:hover{color:var(--color-atlas-accent-bright);text-decoration-color:currentColor}.atlas-skip-link{top:var(--atlas-space-3);left:var(--atlas-space-3);z-index:100;padding:var(--atlas-space-3) var(--atlas-space-4);background:var(--color-atlas-ink);color:var(--color-atlas-paper);border-radius:var(--atlas-radius-md);font-size:var(--atlas-text-sm);font-weight:600;text-decoration:none;position:fixed;transform:translateY(-200%)}.atlas-skip-link:focus{color:var(--color-atlas-paper);transform:translateY(0)}.atlas-shell-header{z-index:40;border-bottom:var(--atlas-border);background:color-mix(in srgb, var(--color-atlas-paper) 94%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0}.atlas-shell-bar{justify-content:space-between;align-items:center;gap:var(--atlas-space-4);min-height:4.5rem;display:flex}.atlas-brand{align-items:center;gap:var(--atlas-space-3);color:var(--color-atlas-ink);font-family:var(--atlas-font-display);letter-spacing:-.02em;font-size:1.25rem;text-decoration:none;display:inline-flex}.atlas-brand:hover{color:var(--color-atlas-ink);text-decoration:none}.atlas-brand-mark{border:1px solid var(--color-atlas-line-strong);width:2.25rem;height:2.25rem;color:var(--color-atlas-accent);font-family:var(--atlas-font-mono);font-size:var(--atlas-text-xs);letter-spacing:.04em;border-radius:50%;place-items:center;display:inline-grid}.atlas-nav{align-items:center;gap:var(--atlas-space-1);display:none}.atlas-nav-link{min-height:var(--atlas-touch-target);padding:0 var(--atlas-space-3);border-radius:var(--atlas-radius-sm);color:var(--color-atlas-ink-muted);font-size:var(--atlas-text-sm);transition:color var(--atlas-duration-fast) var(--atlas-ease), background-color var(--atlas-duration-fast) var(--atlas-ease);align-items:center;text-decoration:none;display:inline-flex}.atlas-nav-link:hover{background:var(--color-atlas-surface-2);color:var(--color-atlas-ink);text-decoration:none}.atlas-nav-link[aria-current=page]{background:var(--color-atlas-accent-soft);color:var(--color-atlas-accent);font-weight:600;text-decoration:none}.atlas-menu-button{min-width:var(--atlas-touch-target);min-height:var(--atlas-touch-target);justify-content:center;align-items:center;gap:var(--atlas-space-2);border:1px solid var(--color-atlas-line-strong);border-radius:var(--atlas-radius-sm);background:var(--color-atlas-surface);color:var(--color-atlas-ink);font:inherit;font-size:var(--atlas-text-sm);cursor:pointer;display:inline-flex}.atlas-mobile-nav{border-top:var(--atlas-border);background:var(--color-atlas-surface)}.atlas-mobile-nav ul{padding:var(--atlas-space-3) 0;gap:.125rem;margin:0;list-style:none;display:grid}.atlas-mobile-nav a{min-height:var(--atlas-touch-target);padding:0 var(--atlas-space-3);border-radius:var(--atlas-radius-sm);color:var(--color-atlas-ink-muted);font-size:var(--atlas-text-base);align-items:center;text-decoration:none;display:flex}.atlas-mobile-nav a[aria-current=page]{background:var(--color-atlas-accent-soft);color:var(--color-atlas-accent);font-weight:600}.atlas-main{min-height:50vh}.atlas-main:focus{outline:none}.atlas-shell-footer{margin-top:var(--atlas-space-9);border-top:var(--atlas-border);background:var(--color-atlas-paper-deep)}.atlas-footer-grid{gap:var(--atlas-space-6);padding:var(--atlas-space-8) 0 var(--atlas-space-6);display:grid}.atlas-footer-title{margin:0 0 var(--atlas-space-3);color:var(--color-atlas-ink-subtle);font-family:var(--atlas-font-text);font-size:var(--atlas-text-2xs);letter-spacing:var(--atlas-tracking-kicker);text-transform:uppercase;font-weight:700}.atlas-footer-list{gap:var(--atlas-space-2);margin:0;padding:0;list-style:none;display:grid}.atlas-footer-list a{min-height:var(--atlas-touch-target);color:var(--color-atlas-ink-muted);font-size:var(--atlas-text-sm);align-items:center;text-decoration:none;display:inline-flex}.atlas-footer-list a:hover{color:var(--color-atlas-accent)}.atlas-footer-bottom{gap:var(--atlas-space-3);border-top:var(--atlas-border);padding:var(--atlas-space-5) 0 var(--atlas-space-6);color:var(--color-atlas-ink-subtle);font-size:var(--atlas-text-xs);flex-wrap:wrap;justify-content:space-between;display:flex}.atlas-container{width:100%;max-width:var(--atlas-width-default);padding-inline:var(--atlas-space-4);margin-inline:auto}.atlas-container--wide{max-width:var(--atlas-width-wide)}.atlas-container--reading{max-width:var(--atlas-width-reading)}.atlas-page{padding-block:var(--atlas-space-6) var(--atlas-space-8)}.atlas-rule{border:0;border-top:var(--atlas-border);margin-block:var(--atlas-space-6)}.atlas-kicker{margin:0 0 var(--atlas-space-3);color:var(--color-atlas-accent);font-family:var(--atlas-font-mono);font-size:var(--atlas-text-2xs);letter-spacing:var(--atlas-tracking-kicker);text-transform:uppercase;display:block}.atlas-display{color:var(--color-atlas-ink);font-family:var(--atlas-font-display);font-size:var(--atlas-text-display);letter-spacing:var(--atlas-tracking-display);font-weight:600;line-height:var(--atlas-leading-tight);margin:0}.atlas-title{color:var(--color-atlas-ink);font-family:var(--atlas-font-display);font-size:var(--atlas-text-2xl);line-height:var(--atlas-leading-tight);margin:0}.atlas-heading{color:var(--color-atlas-ink);font-family:var(--atlas-font-display);font-size:var(--atlas-text-xl);line-height:var(--atlas-leading-snug);margin:0}.atlas-lead{max-width:62ch;margin:var(--atlas-space-4) 0 0;color:var(--color-atlas-ink-muted);font-size:var(--atlas-text-lg);line-height:var(--atlas-leading-snug)}.atlas-note{margin:var(--atlas-space-2) 0 0;color:var(--color-atlas-ink-subtle);font-size:var(--atlas-text-sm)}.atlas-link{color:var(--color-atlas-accent);text-underline-offset:3px;text-decoration:underline}.atlas-link:hover{color:var(--color-atlas-accent-bright)}.atlas-card{border:var(--atlas-border);border-radius:var(--atlas-radius-md);background:var(--color-atlas-surface);box-shadow:var(--atlas-shadow);padding:var(--atlas-space-5)}.atlas-card--flat{box-shadow:none}.atlas-card--accent{border-color:color-mix(in srgb, var(--color-atlas-accent) 35%, var(--color-atlas-line));background:color-mix(in srgb, var(--color-atlas-accent-soft) 55%, var(--color-atlas-surface))}.atlas-card--change{border-color:color-mix(in srgb, var(--color-atlas-change) 30%, var(--color-atlas-line));background:color-mix(in srgb, var(--color-atlas-change-soft) 48%, var(--color-atlas-surface))}.atlas-main,.atlas-data-panel{--color-canvas:var(--color-atlas-paper);--color-canvas-soft:var(--color-atlas-paper-deep);--color-surface:var(--color-atlas-surface);--color-surface-2:var(--color-atlas-surface-2);--color-line:var(--color-atlas-line);--color-line-strong:var(--color-atlas-line-strong);--color-ink:var(--color-atlas-ink);--color-ink-muted:var(--color-atlas-ink-muted);--color-ink-subtle:var(--color-atlas-ink-subtle);--color-brand:var(--color-atlas-accent);--color-brand-bright:var(--color-atlas-accent-bright);--color-brand-ink:var(--color-atlas-accent-ink);--color-brand-soft:var(--color-atlas-accent-soft);--color-up:var(--color-atlas-accent);--color-down:var(--color-atlas-change);--color-warn:var(--color-atlas-warning);--color-warn-soft:var(--color-atlas-warning-soft)}.atlas-card-link{height:100%;color:inherit;transition:border-color var(--atlas-duration-fast) var(--atlas-ease), transform var(--atlas-duration-base) var(--atlas-ease);text-decoration:none;display:block}.atlas-card-link:hover{border-color:var(--color-atlas-line-strong);color:inherit;text-decoration:none;transform:translateY(-2px)}.atlas-grid{gap:var(--atlas-space-4);display:grid}.atlas-grid--2,.atlas-grid--3{grid-template-columns:repeat(1,minmax(0,1fr))}.atlas-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}.atlas-split{gap:var(--atlas-space-6);display:grid}.atlas-arrow{color:var(--color-atlas-accent);font-family:var(--atlas-font-mono)}.atlas-button{min-height:var(--atlas-touch-target);justify-content:center;align-items:center;gap:var(--atlas-space-2);border:1px solid var(--color-atlas-line-strong);border-radius:var(--atlas-radius-sm);background:var(--color-atlas-surface);padding:0 var(--atlas-space-4);color:var(--color-atlas-ink);font:inherit;font-size:var(--atlas-text-sm);cursor:pointer;transition:background-color var(--atlas-duration-fast) var(--atlas-ease), color var(--atlas-duration-fast) var(--atlas-ease), border-color var(--atlas-duration-fast) var(--atlas-ease);font-weight:600;text-decoration:none;display:inline-flex}.atlas-button:hover{border-color:var(--color-atlas-accent);background:var(--color-atlas-accent-soft);color:var(--color-atlas-accent);text-decoration:none}.atlas-button--primary{border-color:var(--color-atlas-accent);background:var(--color-atlas-accent);color:var(--color-atlas-accent-ink)}.atlas-button--primary:hover{border-color:var(--color-atlas-accent-bright);background:var(--color-atlas-accent-bright);color:var(--color-atlas-accent-ink)}.atlas-button--ghost{background:0 0;border-color:#0000}.atlas-badge{align-items:center;gap:var(--atlas-space-1);border:1px solid var(--color-atlas-line);background:var(--color-atlas-surface-2);padding:.125rem var(--atlas-space-2);color:var(--color-atlas-ink-muted);font-family:var(--atlas-font-mono);font-size:var(--atlas-text-2xs);letter-spacing:.03em;text-transform:uppercase;white-space:nowrap;border-radius:999px;display:inline-flex}.atlas-badge--positive{border-color:color-mix(in srgb, var(--color-atlas-accent) 35%, transparent);background:var(--color-atlas-accent-soft);color:var(--color-atlas-accent)}.atlas-badge--change{border-color:color-mix(in srgb, var(--color-atlas-change) 35%, transparent);background:var(--color-atlas-change-soft);color:var(--color-atlas-change)}.atlas-badge--warning{border-color:color-mix(in srgb, var(--color-atlas-warning) 35%, transparent);background:var(--color-atlas-warning-soft);color:var(--color-atlas-warning)}.atlas-badge--alert{border-color:color-mix(in srgb, var(--color-atlas-change) 45%, transparent);background:var(--color-atlas-change);color:var(--color-atlas-paper)}.atlas-prose{max-width:var(--atlas-width-reading);color:var(--color-atlas-ink-muted);font-size:var(--atlas-text-base);line-height:var(--atlas-leading-text)}.atlas-prose>:first-child{margin-top:0}.atlas-prose>:last-child{margin-bottom:0}.atlas-prose h2{margin:var(--atlas-space-7) 0 var(--atlas-space-3);padding-top:var(--atlas-space-4);border-top:var(--atlas-border);color:var(--color-atlas-ink);font-family:var(--atlas-font-display);font-size:var(--atlas-text-xl);letter-spacing:-.02em;font-weight:600;line-height:var(--atlas-leading-snug);scroll-margin-top:6rem}.atlas-prose h3{margin:var(--atlas-space-5) 0 var(--atlas-space-2);color:var(--color-atlas-ink);font-family:var(--atlas-font-display);font-size:var(--atlas-text-lg);scroll-margin-top:6rem;font-weight:600}.atlas-prose h4{margin:var(--atlas-space-4) 0 var(--atlas-space-2);color:var(--color-atlas-ink);font-size:var(--atlas-text-base);font-weight:700}.atlas-prose p{margin:0 0 var(--atlas-space-4)}.atlas-prose ul,.atlas-prose ol{margin:0 0 var(--atlas-space-4);padding-left:1.35rem}.atlas-prose li{margin-bottom:var(--atlas-space-2)}.atlas-prose ul{list-style:outside}.atlas-prose ol{list-style:decimal}.atlas-prose li::marker{color:var(--color-atlas-accent)}.atlas-prose strong{color:var(--color-atlas-ink);font-weight:650}.atlas-prose a{color:var(--color-atlas-accent)}.atlas-prose blockquote{margin:var(--atlas-space-5) 0;border-left:3px solid var(--color-atlas-accent);padding-left:var(--atlas-space-4);color:var(--color-atlas-ink-subtle);font-family:var(--atlas-font-display);font-size:var(--atlas-text-lg)}.atlas-prose code{border-radius:var(--atlas-radius-sm);background:var(--color-atlas-surface-2);color:var(--color-atlas-change);font-family:var(--atlas-font-mono);padding:.1em .35em;font-size:.875em}.atlas-prose pre{margin:0 0 var(--atlas-space-4);border:var(--atlas-border);border-radius:var(--atlas-radius-md);background:var(--color-atlas-surface-2);padding:var(--atlas-space-4);overflow-x:auto}.atlas-prose pre code{color:var(--color-atlas-ink-muted);background:0 0;padding:0}.atlas-prose table{width:100%;margin:0 0 var(--atlas-space-4);border-collapse:collapse;font-size:var(--atlas-text-sm)}.atlas-prose th{border-bottom:1px solid var(--color-atlas-line-strong);padding:var(--atlas-space-2) var(--atlas-space-3);color:var(--color-atlas-ink);text-align:left;font-weight:700}.atlas-prose td{border-bottom:var(--atlas-border);padding:var(--atlas-space-2) var(--atlas-space-3)}.atlas-prose hr{margin:var(--atlas-space-7) 0;border:0;border-top:var(--atlas-border)}.atlas-prose img{border-radius:var(--atlas-radius-md);max-width:100%}.atlas-toc{border:var(--atlas-border);border-radius:var(--atlas-radius-md);background:var(--color-atlas-surface);padding:var(--atlas-space-4)}.atlas-toc-title{margin:0 0 var(--atlas-space-2);color:var(--color-atlas-ink-subtle);font-family:var(--atlas-font-mono);font-size:var(--atlas-text-2xs);letter-spacing:var(--atlas-tracking-kicker);text-transform:uppercase}.atlas-toc ol,.atlas-toc ul{gap:var(--atlas-space-1);margin:0;padding:0;list-style:none;display:grid}.atlas-toc a{min-height:var(--atlas-touch-target);color:var(--color-atlas-ink-muted);font-size:var(--atlas-text-sm);align-items:center;text-decoration:none;display:inline-flex}.atlas-toc a:hover{color:var(--color-atlas-accent)}.atlas-short-answer{border-left:3px solid var(--color-atlas-accent);background:color-mix(in srgb, var(--color-atlas-accent-soft) 50%, var(--color-atlas-surface));padding:var(--atlas-space-4) var(--atlas-space-5)}.atlas-short-answer-label{margin-bottom:var(--atlas-space-2);color:var(--color-atlas-accent);font-family:var(--atlas-font-mono);font-size:var(--atlas-text-2xs);letter-spacing:var(--atlas-tracking-kicker);text-transform:uppercase;display:block}.atlas-source-list{gap:var(--atlas-space-3);margin:0;padding:0;list-style:none;display:grid}.atlas-source-list li{border-top:var(--atlas-border);padding-top:var(--atlas-space-3);color:var(--color-atlas-ink-muted);font-size:var(--atlas-text-sm)}.atlas-source-list a{word-break:break-word}.atlas-meta-row{gap:var(--atlas-space-3);color:var(--color-atlas-ink-subtle);font-size:var(--atlas-text-sm);flex-wrap:wrap;align-items:center;display:flex}.atlas-hint{border-top:var(--atlas-border);border-bottom:var(--atlas-border);padding-block:var(--atlas-space-4)}.atlas-hint-list{gap:var(--atlas-space-2);flex-wrap:wrap;margin:0;padding:0;list-style:none;display:flex}.atlas-hint-trigger{min-height:var(--atlas-touch-target);border:1px dashed var(--color-atlas-line-strong);padding:0 var(--atlas-space-3);color:var(--color-atlas-ink-muted);font:inherit;font-size:var(--atlas-text-sm);cursor:pointer;background:0 0;border-radius:999px}.atlas-hint-trigger[aria-expanded=true],.atlas-hint-trigger:hover{border-style:solid;border-color:var(--color-atlas-accent);background:var(--color-atlas-accent-soft);color:var(--color-atlas-accent)}.atlas-hint-panel{margin-top:var(--atlas-space-3);border:var(--atlas-border);border-radius:var(--atlas-radius-md);background:var(--color-atlas-surface);padding:var(--atlas-space-4)}.atlas-graph-list{gap:var(--atlas-space-2);margin:0;padding:0;list-style:none;display:grid}.atlas-graph-item{border:var(--atlas-border);border-radius:var(--atlas-radius-md);background:var(--color-atlas-surface);padding:var(--atlas-space-2) var(--atlas-space-3)}.atlas-graph-button{width:100%;min-height:var(--atlas-touch-target);justify-content:space-between;align-items:center;gap:var(--atlas-space-3);color:var(--color-atlas-ink);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;padding:0;display:flex}.atlas-graph-button:hover{color:var(--color-atlas-accent)}.atlas-graph-panel{border-top:var(--atlas-border);margin-top:var(--atlas-space-2);padding-top:var(--atlas-space-3);color:var(--color-atlas-ink-muted);font-size:var(--atlas-text-sm)}.atlas-demo{border:var(--atlas-border);border-radius:var(--atlas-radius-md);background:var(--color-atlas-surface-2);padding:var(--atlas-space-5)}.atlas-demo-row{gap:var(--atlas-space-2);margin:var(--atlas-space-3) 0 0;padding:0;list-style:none;display:grid}.atlas-demo-step{gap:var(--atlas-space-3);border-top:var(--atlas-border);padding-top:var(--atlas-space-2);color:var(--color-atlas-ink-muted);font-size:var(--atlas-text-sm);align-items:baseline;display:flex}.atlas-demo-index{color:var(--color-atlas-accent);font-family:var(--atlas-font-mono);font-size:var(--atlas-text-2xs)}.atlas-demo-output{margin-top:var(--atlas-space-2);overflow-wrap:anywhere;color:var(--color-atlas-change);font-family:var(--atlas-font-mono);font-size:var(--atlas-text-xs);display:block}.atlas-stat-grid{gap:var(--atlas-space-4);grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.atlas-stat-label{color:var(--color-atlas-ink-subtle);font-family:var(--atlas-font-mono);font-size:var(--atlas-text-2xs);letter-spacing:var(--atlas-tracking-kicker);text-transform:uppercase;display:block}.atlas-stat-value{margin-top:var(--atlas-space-1);color:var(--color-atlas-ink);font-family:var(--atlas-font-display);font-size:var(--atlas-text-xl);font-variant-numeric:tabular-nums;display:block}.atlas-details{border-top:var(--atlas-border)}.atlas-details:last-child{border-bottom:var(--atlas-border)}.atlas-details>summary{min-height:var(--atlas-touch-target);justify-content:space-between;align-items:center;gap:var(--atlas-space-4);padding:var(--atlas-space-3) 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