.theme-toggle__icon--dark[data-astro-cid-x3pjskd3]{display:none}:root[data-theme=dark] .theme-toggle__icon--light[data-astro-cid-x3pjskd3],:root.dark .theme-toggle__icon--light[data-astro-cid-x3pjskd3]{display:none}:root[data-theme=dark] .theme-toggle__icon--dark[data-astro-cid-x3pjskd3],:root.dark .theme-toggle__icon--dark[data-astro-cid-x3pjskd3]{display:inline}:root{color-scheme:light dark;--itu-font-sans: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;--itu-font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, Consolas, monospace;--itu-bg: #f4f6fb;--itu-bg-elevated: #ffffff;--itu-bg-subtle: #e8edf7;--itu-text: #0f172a;--itu-text-muted: #475569;--itu-border: #cbd5e1;--itu-accent: #5b21b6;--itu-accent-soft: #ede9fe;--itu-accent-hover: #4c1d95;--itu-link: #6d28d9;--itu-link-hover: #5b21b6;--itu-nav-bg: rgba(255, 255, 255, .92);--itu-shadow: 0 10px 40px rgba(15, 23, 42, .08);--itu-radius: 14px;--itu-radius-sm: 8px;--itu-content-width: 760px;--itu-sidebar-width: 280px;--itu-nav-height: 56px}:root[data-theme=dark],:root.dark{--itu-bg: #0b1020;--itu-bg-elevated: #121a2e;--itu-bg-subtle: #1a2440;--itu-text: #e2e8f0;--itu-text-muted: #94a3b8;--itu-border: #334155;--itu-accent: #a78bfa;--itu-accent-soft: #2e1065;--itu-accent-hover: #c4b5fd;--itu-link: #c4b5fd;--itu-link-hover: #ddd6fe;--itu-nav-bg: rgba(11, 16, 32, .92);--itu-shadow: 0 10px 40px rgba(0, 0, 0, .35)}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:var(--itu-font-sans);font-size:17px;line-height:1.65;background:var(--itu-bg);color:var(--itu-text)}a{color:var(--itu-link);text-decoration-thickness:1px;text-underline-offset:.15em}a:hover{color:var(--itu-link-hover)}code{font-family:var(--itu-font-mono);font-size:.92em;background:var(--itu-bg-subtle);padding:.12em .35em;border-radius:4px}pre{overflow-x:auto;padding:1rem 1.1rem;border-radius:var(--itu-radius-sm);background:var(--itu-bg-subtle);border:1px solid var(--itu-border)}pre code{background:transparent;padding:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.ecosystem-nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:1rem;min-height:var(--itu-nav-height);padding:0 1.25rem;border-bottom:1px solid var(--itu-border);background:var(--itu-nav-bg);backdrop-filter:blur(10px)}.ecosystem-nav__brand{display:flex;align-items:center;gap:.55rem;font-weight:700;color:var(--itu-text);text-decoration:none;white-space:nowrap}.ecosystem-nav__brand-mark{display:inline-flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;border-radius:999px;background:linear-gradient(135deg,var(--itu-accent),#2563eb);color:#fff;font-size:.85rem}.ecosystem-nav__links{display:flex;flex:1;gap:.35rem;overflow-x:auto;scrollbar-width:thin;padding-bottom:2px}.ecosystem-nav__link{display:inline-flex;align-items:center;padding:.35rem .65rem;border-radius:999px;color:var(--itu-text-muted);text-decoration:none;font-size:.88rem;white-space:nowrap;transition:background .15s,color .15s}.ecosystem-nav__link:hover{color:var(--itu-text);background:var(--itu-bg-subtle)}.ecosystem-nav__link.is-active{color:var(--itu-accent);background:var(--itu-accent-soft);font-weight:600}.ecosystem-nav__actions{display:flex;align-items:center;gap:.5rem;margin-left:auto}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;border:1px solid var(--itu-border);border-radius:999px;background:var(--itu-bg-elevated);color:var(--itu-text);cursor:pointer;transition:border-color .15s,transform .15s}.theme-toggle:hover{border-color:var(--itu-accent);transform:scale(1.04)}.portal-shell{display:grid;grid-template-columns:minmax(0,1fr);min-height:calc(100vh - 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