:root{--font-sans:"Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:"JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--bg:#0b0d12;--bg-elev:#11141b;--bg-soft:#161a23;--surface:#1a1f2b;--border:#232a39;--border-strong:#2e3647;--text:#e6e9ef;--text-muted:#98a0b3;--text-faint:#6b7488;--accent:#7c9cff;--accent-soft:#243056;--accent-strong:#5d80ff;--good:#5fc97d;--warn:#f0b96b;--bad:#f17381;--code-bg:#0e121a;--code-border:#1f2636;--radius-sm:6px;--radius:10px;--radius-lg:14px;--shadow-sm:0 1px 2px #00000040;--shadow:0 6px 20px #00000059;--container:880px;--sidebar:280px;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}[data-theme=light]{--bg:#f7f8fb;--bg-elev:#fff;--bg-soft:#eef1f6;--surface:#fff;--border:#e3e7ee;--border-strong:#cfd6e2;--text:#1c2230;--text-muted:#4d5566;--text-faint:#7a8294;--accent:#3a5bd9;--accent-soft:#e0e7ff;--accent-strong:#2741b7;--code-bg:#f3f5fa;--code-border:#e3e7ee;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;padding:0;font-size:16px;line-height:1.6}#root{min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{color:var(--text);letter-spacing:-.01em;margin:0 0 .6em;font-weight:700;line-height:1.25}h1{font-size:2rem}h2{margin-top:2.2rem;padding-top:.4rem;font-size:1.5rem}h3{color:var(--text);margin-top:1.6rem;font-size:1.15rem}p{color:var(--text);margin:0 0 1rem}ul,ol{margin:0 0 1rem;padding-left:1.3rem}li{margin-bottom:.35rem}li::marker{color:var(--text-faint)}strong{color:var(--text);font-weight:600}code{font-family:var(--font-mono);background:var(--code-bg);border:1px solid var(--code-border);color:var(--text);border-radius:4px;padding:.1em .4em;font-size:.88em}pre{background:var(--code-bg);border:1px solid var(--code-border);border-radius:var(--radius);margin:1rem 0 1.4rem;padding:1rem 1.1rem;font-size:.88rem;line-height:1.55;overflow-x:auto}pre code{font-size:inherit;background:0 0;border:none;padding:0}button{font-family:inherit}::selection{background:var(--accent-soft);color:var(--text)}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg)}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:6px}::-webkit-scrollbar-thumb:hover{background:var(--text-faint)}.app-shell{flex-direction:column;min-height:100vh;display:flex}.app-body{flex:1;min-height:0;display:flex}.app-main{flex:1;min-width:0;padding:2.2rem clamp(1rem,4vw,3rem) 5rem}.app-container{max-width:var(--container);margin:0 auto}.topbar{z-index:30;background:color-mix(in srgb, var(--bg) 92%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);align-items:center;gap:.75rem;padding:.7rem clamp(1rem,3vw,1.5rem);display:flex;position:sticky;top:0}.topbar-brand{color:var(--text);letter-spacing:-.01em;align-items:center;gap:.55rem;font-size:1.05rem;font-weight:700;display:flex}.topbar-brand:hover{text-decoration:none}.topbar-brand-mark{background:linear-gradient(135deg, var(--accent), var(--accent-strong));color:#fff;width:28px;height:28px;box-shadow:var(--shadow-sm);border-radius:8px;place-items:center;font-size:.8rem;font-weight:800;display:grid}.topbar-brand-name{font-weight:700}.topbar-brand-tag{color:var(--text-faint);margin-left:.4rem;font-size:.85rem;font-weight:500}.topbar-spacer{flex:1}.icon-btn{border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);cursor:pointer;background:0 0;place-items:center;width:38px;height:38px;transition:background .15s,border-color .15s;display:grid}.icon-btn:hover{background:var(--bg-soft);border-color:var(--border-strong)}.menu-btn{display:none}@media (width<=900px){.menu-btn{display:grid}}.sidebar{width:var(--sidebar);border-right:1px solid var(--border);background:var(--bg-elev);flex-shrink:0;align-self:flex-start;height:calc(100vh - 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