:root{--header-height:60px;--sidebar-width:290px;--content-width:920px;--radius:8px;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;--font-mono:ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;--bg:#fff;--bg-subtle:#f6f8fa;--bg-sidebar:#fbfcfd;--bg-code:#f6f8fa;--bg-output:#fff;--text:#1f2328;--text-muted:#59636e;--border:#d1d9e0;--border-subtle:#e6eaef;--accent:#00817c;--accent-strong:#00bbb4;--accent-soft:#00bbb41f;--navy:#0d141c;--error:#cf222e;--shadow:0 1px 2px #1f23280f;--hl-keyword:#cf222e;--hl-string:#0a3069;--hl-number:#0550ae;--hl-comment:#6e7781;--hl-function:#8250df;--hl-builtin:#953800;--hl-attr:#0550ae;--hl-added:#116329;--hl-added-bg:#dafbe1;--hl-deleted:#82071e;--hl-deleted-bg:#ffebe9}:root[data-theme=dark]{--bg:#0d1117;--bg-subtle:#151b23;--bg-sidebar:#0f141b;--bg-code:#151b23;--bg-output:#0d1117;--text:#e6edf3;--text-muted:#9198a1;--border:#3d444d;--border-subtle:#262c36;--accent:#3dd6cf;--accent-strong:#00bbb4;--accent-soft:#00bbb429;--error:#ff7b72;--shadow:none;--hl-keyword:#ff7b72;--hl-string:#a5d6ff;--hl-number:#79c0ff;--hl-comment:#8b949e;--hl-function:#d2a8ff;--hl-builtin:#ffa657;--hl-attr:#79c0ff;--hl-added:#aff5b4;--hl-added-bg:#033a16;--hl-deleted:#ffdcd7;--hl-deleted-bg:#67060c;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*,:before,:after{box-sizing:border-box}html{scroll-padding-top:calc(var(--header-height) + 16px)}body{background:var(--bg);color:var(--text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.65}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.header{z-index:30;height:var(--header-height);background:color-mix(in srgb, var(--bg) 88%, transparent);-webkit-backdrop-filter:saturate(180%)blur(10px);backdrop-filter:saturate(180%)blur(10px);border-bottom:1px solid var(--border-subtle);align-items:center;gap:12px;padding:0 20px;display:flex;position:fixed;inset:0 0 auto}.brand{color:var(--text);letter-spacing:-.01em;align-items:center;gap:10px;font-weight:600;display:flex}.brand:hover{text-decoration:none}.brand img{object-fit:contain;width:32px;height:32px;display:block}.brand-name{font-size:1.15rem}.brand-section{border-left:1px solid var(--border);color:var(--text-muted);padding-left:10px;font-weight:500}.header-actions{align-items:center;gap:4px;margin-left:auto;display:flex}.icon-button{border-radius:var(--radius);width:38px;height:38px;color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #0000;justify-content:center;align-items:center;padding:0;display:inline-flex}.icon-button:hover{border-color:var(--border-subtle);background:var(--bg-subtle);color:var(--text);text-decoration:none}.icon-button:focus-visible,.copy-button:focus-visible,.sidebar a:focus-visible{outline:2px solid var(--accent-strong);outline-offset:2px}.menu-button{display:none}.sidebar{top:var(--header-height);z-index:20;width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border-subtle);padding:20px 14px 40px;font-size:.9rem;line-height:1.45;position:fixed;bottom:0;left:0;overflow-y:auto}.sidebar ul{margin:0;padding:0;list-style:none}.sidebar a{color:var(--text-muted);border-radius:6px;padding:6px 10px;display:block}.sidebar a:hover{background:var(--bg-subtle);color:var(--text);text-decoration:none}.sidebar a.active{background:var(--accent-soft);color:var(--text);font-weight:600}.sidebar-home{margin-bottom:8px}.sidebar-group{margin-top:18px}.sidebar-group-name{color:var(--text);letter-spacing:.08em;text-transform:uppercase;margin:0 0 6px;padding:0 10px;font-size:.72rem;font-weight:700}.sidebar-sections{border-left:1px solid var(--border);margin:4px 0 8px 12px!important;padding-left:8px!important}.sidebar-sections a{padding:4px 10px;font-size:.84rem}.sidebar-sections a.active{color:var(--accent);background:0 0}.scrim{display:none}.content{min-width:0;margin-left:var(--sidebar-width);padding:calc(var(--header-height) + 36px) 48px 80px}.notebook{max-width:var(--content-width);margin:0 auto}.status{max-width:var(--content-width);color:var(--text-muted);margin:0 auto}.source-links{flex-wrap:wrap;justify-content:flex-end;gap:8px;margin-bottom:8px;font-size:.85rem;display:flex}.source-links a{border:1px solid var(--border);color:var(--text-muted);border-radius:999px;padding:4px 12px}.source-links a:hover{border-color:var(--accent-strong);color:var(--text);text-decoration:none}.markdown-cell h1,.markdown-cell h2,.markdown-cell h3,.markdown-cell h4,.overview h1,.overview h2,.overview h3,.overview h4{letter-spacing:-.015em;line-height:1.3;position:relative}h1{margin:0 0 20px;font-size:2.1rem;font-weight:700}h2{border-bottom:1px solid var(--border-subtle);margin:48px 0 16px;padding-bottom:8px;font-size:1.5rem;font-weight:650}h3{margin:32px 0 12px;font-size:1.2rem;font-weight:650}h4{margin:24px 0 8px;font-size:1rem}.heading-anchor{color:var(--text-muted);opacity:0;margin-left:8px;font-weight:400;transition:opacity .15s}h1:hover .heading-anchor,h2:hover .heading-anchor,h3:hover .heading-anchor,h4:hover .heading-anchor,.heading-anchor:focus{opacity:1;text-decoration:none}p,ul,ol{margin:0 0 14px}li+li{margin-top:4px}li>ul,li>ol{margin:4px 0 0}blockquote{border-left:3px solid var(--accent-strong);border-radius:0 var(--radius) var(--radius) 0;background:var(--accent-soft);margin:0 0 16px;padding:10px 16px}blockquote>:last-child{margin-bottom:0}hr{background:var(--border-subtle);border:0;height:1px;margin:32px 0}code{background:var(--bg-subtle);font-family:var(--font-mono);border-radius:5px;padding:.15em .4em;font-size:.86em}pre{border:1px solid var(--border-subtle);border-radius:var(--radius);background:var(--bg-code);font-family:var(--font-mono);margin:0 0 16px;padding:14px 16px;font-size:.84rem;line-height:1.55;overflow-x:auto}pre code{font-size:inherit;background:0 0;padding:0}.table-scroll{border:1px solid var(--border-subtle);border-radius:var(--radius);margin:0 0 18px;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{border-bottom:1px solid var(--border-subtle);text-align:left;vertical-align:top;padding:8px 14px}th{background:var(--bg-subtle);font-weight:600}tr:last-child td{border-bottom:0}img{max-width:100%}.code-cell{border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin:0 0 22px;overflow:hidden}.cell-label{color:var(--text-muted);font-family:var(--font-mono);letter-spacing:.02em;justify-content:space-between;align-items:center;padding:4px 8px 4px 14px;font-size:.72rem;display:flex}.cell-input{background:var(--bg-code)}.cell-input pre{border:0;border-radius:0;margin:0;padding-top:2px}.cell-output{border-top:1px solid var(--border);background:var(--bg-output)}.cell-output .cell-label{padding-bottom:0}.output{white-space:pre-wrap;overflow-wrap:anywhere;background:0 0;border:0;border-radius:0;margin:0;padding:6px 16px 14px}.output-stderr{color:var(--text-muted)}.output-error{color:var(--error)}.copy-button{border:1px solid var(--border);background:var(--bg);color:var(--text-muted);font-family:var(--font-sans);cursor:pointer;border-radius:6px;padding:2px 10px;font-size:.75rem}.copy-button:hover{color:var(--text);border-color:var(--accent-strong)}.pager{border-top:1px solid var(--border-subtle);grid-template-columns:1fr 1fr;gap:16px;margin-top:56px;padding-top:24px;display:grid}.pager-link{border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:2px;padding:14px 18px;display:flex}.pager-link:hover{border-color:var(--accent-strong);text-decoration:none}.pager-next{text-align:right;grid-column:2}.pager-label{color:var(--text-muted);font-size:.8rem}.pager-title{color:var(--text);font-weight:600}.hljs-keyword,.hljs-selector-tag,.hljs-literal,.hljs-meta .hljs-keyword{color:var(--hl-keyword)}.hljs-string,.hljs-regexp,.hljs-meta .hljs-string{color:var(--hl-string)}.hljs-number,.hljs-symbol,.hljs-bullet{color:var(--hl-number)}.hljs-comment,.hljs-quote{color:var(--hl-comment);font-style:italic}.hljs-title,.hljs-title.function_,.hljs-section{color:var(--hl-function)}.hljs-built_in,.hljs-type,.hljs-title.class_{color:var(--hl-builtin)}.hljs-attr,.hljs-attribute,.hljs-variable,.hljs-params,.hljs-property,.hljs-meta{color:var(--hl-attr)}.hljs-addition{background:var(--hl-added-bg);width:100%;color:var(--hl-added);display:inline-block}.hljs-deletion{background:var(--hl-deleted-bg);width:100%;color:var(--hl-deleted);display:inline-block}@media (width<=960px){.menu-button{display:inline-flex}.brand-section{display:none}.sidebar{box-shadow:none;transition:transform .2s;transform:translate(-100%)}.sidebar.open{transform:none;box-shadow:0 8px 24px #0003}.scrim{inset:var(--header-height) 0 0 0;z-index:15;background:#0d141c59;display:block;position:fixed}.content{padding:calc(var(--header-height) + 20px) 18px 60px;margin-left:0}h1{font-size:1.7rem}.source-links{justify-content:flex-start}}@media (prefers-reduced-motion:reduce){.sidebar,.heading-anchor{transition:none}}