@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-vietnamese-opsz-normal.BjhtXyW2.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-latin-ext-opsz-normal.BQn1nviT.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Newsreader Variable;font-style:normal;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-latin-opsz-normal.s-izfB6B.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-vietnamese-opsz-italic.DTr-ymY4.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-latin-ext-opsz-italic.CSPGnFdO.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Newsreader Variable;font-style:italic;font-display:swap;font-weight:200 800;src:url(/_astro/newsreader-latin-opsz-italic.kJKFiXvB.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-ext-opsz-normal.CfYZpDVp.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-cyrillic-opsz-normal.BFQXbQ-f.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-ext-opsz-normal.BmPQvyvo.woff2)format("woff2-variations");unicode-range:U+1F??}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-greek-opsz-normal.BM0NlUE_.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-vietnamese-opsz-normal.Ci9T9ieq.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-ext-opsz-normal.DpK-iCPk.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/inter-latin-opsz-normal.BwkfbSeq.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_astro/jetbrains-mono-cyrillic-ext-wght-normal.EocZY2iu.woff2)format("woff2-variations");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_astro/jetbrains-mono-cyrillic-wght-normal.D73BlboJ.woff2)format("woff2-variations");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_astro/jetbrains-mono-greek-wght-normal.Bw9x6K1M.woff2)format("woff2-variations");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_astro/jetbrains-mono-vietnamese-wght-normal.Bt-aOZkq.woff2)format("woff2-variations");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_astro/jetbrains-mono-latin-ext-wght-normal.DBQx-q_a.woff2)format("woff2-variations");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:JetBrains Mono Variable;font-style:normal;font-display:swap;font-weight:100 800;src:url(/_astro/jetbrains-mono-latin-wght-normal.B9CIFXIH.woff2)format("woff2-variations");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--tc-font-serif:"Newsreader Variable", "Newsreader", "Iowan Old Style", Charter, Georgia, serif;--tc-font-sans:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter Variable", "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--tc-font-mono:ui-monospace, "SF Mono", "JetBrains Mono Variable", "JetBrains Mono", Menlo, Consolas, monospace;--tc-radius-xs:6px;--tc-radius-sm:8px;--tc-radius-md:12px;--tc-radius-lg:16px;--tc-radius-xl:22px;--tc-radius-pill:999px;--tc-ease:cubic-bezier(.2, 0, 0, 1);--tc-ease-sheet:cubic-bezier(.32, .72, 0, 1);--tc-duration-fast:.12s;--tc-duration:.2s;--tc-duration-slow:.32s;--tc-measure:38rem;--tc-bar:color-mix(in srgb, var(--tc-paper) 82%, transparent);color-scheme:light;--tc-paper:#faf9f6;--tc-paper-raised:#fff;--tc-paper-sunken:#f3f1ec;--tc-ink:#1c1b19;--tc-ink-2:#6e6a64;--tc-ink-3:#8f8a82;--tc-line:#e7e4de;--tc-line-strong:#d5d1c9;--tc-accent:#2f54eb;--tc-accent-hover:#2647d2;--tc-accent-pressed:#1f3bb4;--tc-accent-soft:#2f54eb1a;--tc-on-accent:#fff;--tc-selection:#2f54eb2e;--tc-focus:#2f54eb;--tc-hover:#1c1b190a;--tc-pressed:#1c1b1914;--tc-danger:#c9372c;--tc-danger-soft:#c9372c1a;--tc-warning:#d18e0f;--tc-warning-ink:#8a5a00;--tc-warning-soft:#d18e0f1f;--tc-success:#2e9d5b;--tc-success-ink:#1d7a43;--tc-success-soft:#2e9d5b1f;--tc-status-archived:#9c8565;--tc-scrim:#1c1b1947;--tc-edge:transparent;--tc-shadow-sm:0 1px 2px #1c1b190f;--tc-shadow-md:0 1px 2px #1c1b190d, 0 6px 16px #1c1b1914;--tc-shadow-lg:0 2px 6px #1c1b190f, 0 18px 48px #1c1b1924;--tc-syntax-keyword:#2f54eb;--tc-syntax-string:#1d7a43;--tc-syntax-number:#8a5a00;--tc-syntax-type:#7a5c34;--tc-syntax-comment:#706b65;--tc-syntax-punctuation:#6e6a64}@media screen and (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--tc-paper:#1a1917;--tc-paper-raised:#242220;--tc-paper-sunken:#131211;--tc-ink:#edeae4;--tc-ink-2:#a29d95;--tc-ink-3:#75706a;--tc-line:#2d2b28;--tc-line-strong:#3b3935;--tc-accent:#8ea6ff;--tc-accent-hover:#a6b9ff;--tc-accent-pressed:#7790f0;--tc-accent-soft:#8ea6ff24;--tc-on-accent:#10131f;--tc-selection:#8ea6ff47;--tc-focus:#8ea6ff;--tc-hover:#edeae40d;--tc-pressed:#edeae417;--tc-danger:#ff6b5e;--tc-danger-soft:#ff6b5e24;--tc-warning:#e5a93a;--tc-warning-ink:#f0c060;--tc-warning-soft:#e5a93a24;--tc-success:#4cc27a;--tc-success-ink:#6fd495;--tc-success-soft:#4cc27a24;--tc-status-archived:#b79f7c;--tc-scrim:#00000080;--tc-edge:#ffffff0f;--tc-shadow-sm:0 1px 2px #0000004d;--tc-shadow-md:0 1px 2px #0000004d, 0 8px 20px #00000059;--tc-shadow-lg:0 2px 6px #0000004d, 0 24px 56px #00000080;--tc-syntax-keyword:#8ea6ff;--tc-syntax-string:#6fd495;--tc-syntax-number:#f0c060;--tc-syntax-type:#d6b88c;--tc-syntax-comment:#8a857d;--tc-syntax-punctuation:#a29d95}}:root[data-theme=dark]{color-scheme:dark;--tc-paper:#1a1917;--tc-paper-raised:#242220;--tc-paper-sunken:#131211;--tc-ink:#edeae4;--tc-ink-2:#a29d95;--tc-ink-3:#75706a;--tc-line:#2d2b28;--tc-line-strong:#3b3935;--tc-accent:#8ea6ff;--tc-accent-hover:#a6b9ff;--tc-accent-pressed:#7790f0;--tc-accent-soft:#8ea6ff24;--tc-on-accent:#10131f;--tc-selection:#8ea6ff47;--tc-focus:#8ea6ff;--tc-hover:#edeae40d;--tc-pressed:#edeae417;--tc-danger:#ff6b5e;--tc-danger-soft:#ff6b5e24;--tc-warning:#e5a93a;--tc-warning-ink:#f0c060;--tc-warning-soft:#e5a93a24;--tc-success:#4cc27a;--tc-success-ink:#6fd495;--tc-success-soft:#4cc27a24;--tc-status-archived:#b79f7c;--tc-scrim:#00000080;--tc-edge:#ffffff0f;--tc-shadow-sm:0 1px 2px #0000004d;--tc-shadow-md:0 1px 2px #0000004d, 0 8px 20px #00000059;--tc-shadow-lg:0 2px 6px #0000004d, 0 24px 56px #00000080;--tc-syntax-keyword:#8ea6ff;--tc-syntax-string:#6fd495;--tc-syntax-number:#f0c060;--tc-syntax-type:#d6b88c;--tc-syntax-comment:#8a857d;--tc-syntax-punctuation:#a29d95}@media (prefers-reduced-motion:reduce){:root{--tc-duration:.12s;--tc-duration-slow:.12s}}@media (prefers-reduced-transparency:reduce){:root{--tc-bar:var(--tc-paper)}}:root{--bar-h:3.25rem;--gutter:20px;--sidebar-w:17.5rem;--measure:40rem;--breakout:6rem;--cols:[full-start] minmax(var(--gutter), 1fr) [wide-start] minmax(0, var(--breakout)) [content-start] min(var(--measure), 100% - 2 * var(--gutter)) [content-end] minmax(0, var(--breakout)) [wide-end] minmax(var(--gutter), 1fr) [full-end];--ascii-font:"JetBrains Mono Variable", ui-monospace, "SF Mono", Menlo, "Cascadia Mono", Consolas, "DejaVu Sans Mono", monospace}@media (width>=768px){:root{--gutter:28px}}@media (width>=1200px){:root{--gutter:40px}}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;text-size-adjust:100%;-webkit-tap-highlight-color:transparent;scroll-padding-top:calc(var(--bar-h) + env(safe-area-inset-top) + 1.25rem);scrollbar-gutter:stable}html:has(dialog[open]){overflow:hidden}body{background:var(--tc-paper);min-height:100dvh;color:var(--tc-ink);font-family:var(--tc-font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;margin:0;display:flex}body>:is(main,.chapter-layout){flex:1 0 auto}::selection{background:var(--tc-selection)}:focus-visible{outline:3px solid var(--tc-focus);outline-offset:2px}main:focus{outline:none}.sr{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.icon{fill:none;stroke:currentColor;stroke-width:1.75px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:1.125rem;height:1.125rem}kbd{font-family:var(--tc-font-sans)}.skip{z-index:100;border-radius:var(--tc-radius-pill);background:var(--tc-accent);color:var(--tc-on-accent);padding:.6rem 1rem;font-weight:600;text-decoration:none;position:absolute;top:.5rem;left:-999px}.skip:focus{left:.5rem}@view-transition{navigation:auto}::view-transition-old(root),::view-transition-new(root){animation-duration:var(--tc-duration);animation-timing-function:var(--tc-ease)}@media (prefers-reduced-motion:reduce){@view-transition{navigation:none}}.btn{border-radius:var(--tc-radius-pill);height:2.75rem;font:600 1rem/1 var(--tc-font-sans);white-space:nowrap;cursor:pointer;transition:background-color var(--tc-duration-fast) var(--tc-ease), transform var(--tc-duration-fast) var(--tc-ease);border:0;justify-content:center;align-items:center;gap:.4rem;padding:0 1.35rem;text-decoration:none;display:inline-flex}.btn:active{transform:scale(.97)}.btn.primary{background:var(--tc-accent);color:var(--tc-on-accent)}.btn.primary:hover{background:var(--tc-accent-hover)}.btn.secondary{background:color-mix(in srgb, var(--tc-accent) 10%, var(--tc-paper-raised));color:var(--tc-accent)}.btn.secondary:hover{background:color-mix(in srgb, var(--tc-accent) 16%, var(--tc-paper-raised))}.icon-btn{border-radius:var(--tc-radius-pill);width:2.25rem;height:2.25rem;color:var(--tc-ink);cursor:pointer;transition:background-color var(--tc-duration-fast) var(--tc-ease);background:0 0;border:0;place-items:center;padding:0;display:inline-grid}.icon-btn:hover{background:var(--tc-hover)}.icon-btn:active{background:var(--tc-pressed)}.icon-btn .icon{width:1.25rem;height:1.25rem}@media (pointer:coarse){.icon-btn{width:2.75rem;height:2.75rem}}.segmented{border-radius:var(--tc-radius-pill);background:var(--tc-paper-sunken);flex:none;padding:2px;display:inline-flex}.segmented button{border-radius:var(--tc-radius-pill);width:2rem;height:1.75rem;color:var(--tc-ink-2);cursor:pointer;transition:background-color var(--tc-duration) var(--tc-ease), color var(--tc-duration) var(--tc-ease);background:0 0;border:0;place-items:center;padding:0;display:grid}.segmented button:hover{color:var(--tc-ink)}.segmented button[aria-pressed=true]{background:var(--tc-paper-raised);color:var(--tc-ink);box-shadow:var(--tc-shadow-sm), inset 0 0 0 1px var(--tc-edge)}.segmented .icon{width:1rem;height:1rem}@media (pointer:coarse){.segmented button{width:2.75rem;height:2.5rem}}.bar{z-index:30;height:calc(var(--bar-h) + env(safe-area-inset-top));padding:env(safe-area-inset-top) max(var(--gutter), env(safe-area-inset-right)) 0 max(var(--gutter), env(safe-area-inset-left));background:var(--tc-bar);backdrop-filter:saturate(180%)blur(20px);transition:box-shadow var(--tc-duration) var(--tc-ease);view-transition-name:bar;align-items:center;gap:.5rem;display:flex;position:sticky;top:0;box-shadow:0 1px #0000}.bar.scrolled{box-shadow:0 1px 0 var(--tc-line)}@media (prefers-reduced-transparency:reduce){.bar{background:var(--tc-paper);backdrop-filter:none}}.bar-menu{margin-left:-.5rem}@media (width>=1100px){.bar-menu{display:none}}.brand{min-height:2.75rem;color:var(--tc-ink);flex:none;align-items:center;gap:.45rem;text-decoration:none;display:flex}.brand-mark{flex:none;width:1.6rem;height:1.6rem}.brand-name{font-family:var(--tc-font-serif);letter-spacing:-.01em;white-space:nowrap;font-size:1.125rem;font-weight:600}.brand-sub{color:var(--tc-ink-2);font-weight:500}.bar-title{border-left:1px solid var(--tc-line-strong);min-width:0;color:var(--tc-ink);white-space:nowrap;text-overflow:ellipsis;opacity:0;transition:opacity var(--tc-duration) var(--tc-ease), transform var(--tc-duration) var(--tc-ease);pointer-events:none;padding-left:.75rem;font-size:.9375rem;font-weight:600;line-height:1.3;display:block;overflow:hidden;transform:translateY(.35rem)}.bar-title-num{color:var(--tc-ink-2);font-variant-numeric:tabular-nums;margin-right:.4rem}.bar.show-title .bar-title{opacity:1;transform:none}@media (width<=767.98px){.bar-title{border-left:0;flex:auto;padding-left:0;font-size:1rem}.bar.show-title .brand-name,.bar:has(.bar-title) .bar-spacer{display:none}.bar:not(.show-title) .bar-spacer{display:block}.bar:not(.show-title) .bar-title{visibility:hidden;position:absolute}}@media (width<=359.98px){.brand-sub{display:none}}.bar-spacer{flex:1}.search-btn{border-radius:var(--tc-radius-pill);background:var(--tc-paper-sunken);height:2.25rem;color:var(--tc-ink-2);font:400 .9375rem/1 var(--tc-font-sans);cursor:pointer;transition:background-color var(--tc-duration-fast) var(--tc-ease), color var(--tc-duration-fast) var(--tc-ease);border:0;flex:none;align-items:center;gap:.5rem;padding:0 .5rem 0 .75rem;display:inline-flex}.search-btn:hover{color:var(--tc-ink);background:color-mix(in srgb, var(--tc-paper-sunken) 70%, var(--tc-line-strong))}.search-btn-label{text-align:left;min-width:6.5rem}.search-btn-kbd{border-radius:var(--tc-radius-xs);background:var(--tc-paper-raised);box-shadow:inset 0 0 0 1px var(--tc-line);color:var(--tc-ink-2);padding:.2rem .4rem;font-size:.75rem;font-weight:500}@media (width<=767.98px),(pointer:coarse){.search-btn-kbd{display:none}}@media (width<=767.98px){.search-btn{width:2.75rem;height:2.75rem;color:var(--tc-ink);background:0 0;justify-content:center;margin-right:-.5rem;padding:0}.search-btn .icon{width:1.25rem;height:1.25rem}.search-btn-label{clip-path:inset(50%);width:1px;min-width:0;height:1px;position:absolute;overflow:hidden}}.pin{border-radius:var(--tc-radius-pill);height:2.25rem;color:var(--tc-ink-2);font-family:var(--tc-font-mono);white-space:nowrap;flex:none;align-items:center;gap:.35rem;padding:0 .65rem;font-size:.75rem;text-decoration:none;display:none}.pin:hover{background:var(--tc-hover);color:var(--tc-ink)}.pin .icon{width:1rem;height:1rem}@media (width>=1024px){.pin{display:inline-flex}}.bar-theme{display:none}@media (width>=768px){.bar-theme{display:inline-flex}}.progress{background:var(--tc-ink-2);transform-origin:0;opacity:.55;height:2px;position:absolute;bottom:-1px;left:0;right:0;transform:scaleX(0)}.chapter-layout{display:block}.sidebar{display:none}@media (width>=1100px){.chapter-layout{grid-template-columns:var(--sidebar-w) minmax(0, 1fr);display:grid}.sidebar{top:var(--bar-h);height:calc(100vh - var(--bar-h));height:calc(100dvh - var(--bar-h));overscroll-behavior:contain;padding:1.25rem .75rem 3rem max(1rem, var(--gutter) - .75rem);border-right:1px solid var(--tc-line);scrollbar-width:thin;scrollbar-color:var(--tc-line-strong) transparent;view-transition-name:sidebar;display:block;position:sticky;overflow-y:auto}}main{min-width:0}.book-nav ol{margin:0;padding:0;list-style:none}.book-part+.book-part{margin-top:1.1rem}.book-part-title{color:var(--tc-ink-2);margin:0 0 .25rem;padding:0 .6rem;font-size:.8125rem;font-weight:600;line-height:1.4}.book-chapter>a{border-radius:var(--tc-radius-sm);color:var(--tc-ink);transition:background-color var(--tc-duration-fast) var(--tc-ease);gap:.55rem;padding:.4rem .6rem;font-size:.875rem;line-height:1.35;text-decoration:none;display:flex}.book-chapter>a:hover{background:var(--tc-hover)}.book-num{min-width:1.3rem;color:var(--tc-ink-2);font-variant-numeric:tabular-nums;flex:none}.book-chapter.current>a{background:var(--tc-accent-soft);font-weight:600}.book-chapter.current .book-num{color:var(--tc-ink)}.book-sections{border-left:1px solid var(--tc-line);margin:.2rem 0 .5rem 1.45rem!important;padding-left:.1rem!important}.book-sections a{border-radius:0 var(--tc-radius-sm) var(--tc-radius-sm) 0;color:var(--tc-ink-2);border-left:2px solid #0000;margin-left:-1px;padding:.3rem .6rem .3rem .75rem;font-size:.8125rem;line-height:1.4;text-decoration:none;display:block}.book-sections a:hover{color:var(--tc-ink);background:var(--tc-hover)}.book-sections a[aria-current]{border-left-color:var(--tc-accent);color:var(--tc-ink);font-weight:600}@media (pointer:coarse){.book-chapter>a{align-items:center;min-height:2.75rem;font-size:1rem}.book-sections a{align-items:center;min-height:2.5rem;font-size:.9375rem;display:flex}}dialog{background:var(--tc-paper-raised);max-width:none;max-height:none;color:var(--tc-ink);border:0;margin:0;padding:0}dialog::backdrop{background:var(--tc-scrim);opacity:0;transition:opacity var(--tc-duration) var(--tc-ease), display var(--tc-duration) allow-discrete, overlay var(--tc-duration) allow-discrete}dialog[open]::backdrop{opacity:1}@starting-style{dialog[open]::backdrop{opacity:0}}.sheet{box-shadow:var(--tc-shadow-lg), inset 0 0 0 1px var(--tc-edge);transition:transform var(--tc-duration-slow) var(--tc-ease-sheet), display var(--tc-duration-slow) allow-discrete, overlay var(--tc-duration-slow) allow-discrete;flex-direction:column;position:fixed;overflow:hidden}.sheet[open]{display:flex}.sheet.dragging{transition:none}@media (width<=767.98px){.sheet{border-radius:var(--tc-radius-xl) var(--tc-radius-xl) 0 0;width:100%;max-height:88dvh;inset:auto 0 0;transform:translateY(100%)}.sheet[open]{transform:none}@starting-style{.sheet[open]{transform:translateY(100%)}}}@media (width>=768px){.sheet{border-radius:var(--tc-radius-xl);width:min(24rem,100vw - 4rem);height:auto;inset:.5rem auto .5rem .5rem;transform:translate(calc(-100% - 1rem))}.sheet[open]{transform:none}@starting-style{.sheet[open]{transform:translate(calc(-100% - 1rem))}}.sheet-grab{display:none}}.sheet-grab{border-radius:var(--tc-radius-pill);background:var(--tc-line-strong);flex:none;width:2.25rem;height:.3rem;margin:.5rem auto 0}.sheet-head{touch-action:none;flex:none;justify-content:space-between;align-items:center;padding:.5rem .75rem .5rem 1.25rem;display:flex}.sheet-head h2{margin:0;font-size:1.25rem;font-weight:600;line-height:1.3}.sheet-body{overscroll-behavior:contain;flex:auto;padding:.25rem .75rem 1rem;overflow-y:auto}.sheet-foot,.site-footer-theme{color:var(--tc-ink-2);justify-content:space-between;align-items:center;gap:1rem;font-size:.8125rem;display:flex}.sheet-foot{padding:.75rem 1.25rem max(.75rem, env(safe-area-inset-bottom));border-top:1px solid var(--tc-line);flex:none}.search{box-shadow:var(--tc-shadow-lg), inset 0 0 0 1px var(--tc-edge);opacity:0;transition:opacity var(--tc-duration) var(--tc-ease), transform var(--tc-duration) var(--tc-ease), display var(--tc-duration) allow-discrete, overlay var(--tc-duration) allow-discrete;flex-direction:column;position:fixed;overflow:hidden}.search[open]{opacity:1;display:flex}@starting-style{.search[open]{opacity:0;transform:translateY(-.5rem)scale(.98)}}@media (width>=768px){.search{border-radius:var(--tc-radius-lg);width:min(40rem,100vw - 4rem);max-height:72vh;margin:0 auto;inset:12vh 0 auto}}@media (width<=767.98px){.search{width:100%;height:100%;padding-top:env(safe-area-inset-top);inset:0}.search::backdrop{background:var(--tc-paper-raised)}}.search-field{border-bottom:1px solid var(--tc-line);color:var(--tc-ink-2);flex:none;align-items:center;gap:.65rem;padding:0 .75rem 0 1.1rem;display:flex}.search-field .icon{width:1.25rem;height:1.25rem}.search-field input{min-width:0;height:3.5rem;color:var(--tc-ink);font:400 1.125rem/1 var(--tc-font-sans);-webkit-appearance:none;appearance:none;background:0 0;border:0;outline:none;flex:1;padding:0}.search-field input::placeholder{color:var(--tc-ink-3)}.search-field input::-webkit-search-cancel-button{display:none}.search-cancel{height:2.75rem;color:var(--tc-accent);font:400 1.0625rem/1 var(--tc-font-sans);cursor:pointer;background:0 0;border:0;padding:0 .5rem}@media (width>=768px){.search-cancel{display:none}}.search-results{overscroll-behavior:contain;flex:auto;padding:.5rem;overflow-y:auto}.search-results:empty{display:none}.search-group{color:var(--tc-ink-2);margin:.4rem .75rem .35rem;font-size:.8125rem;font-weight:600}.result{border-radius:var(--tc-radius-sm);min-height:3.25rem;color:var(--tc-ink);align-items:center;gap:.75rem;padding:.5rem .75rem;scroll-margin:.5rem;text-decoration:none;display:flex}.result[aria-selected=true]{background:var(--tc-accent-soft)}.result-num,.result-kind{border-radius:var(--tc-radius-sm);background:var(--tc-paper-sunken);width:1.9rem;height:1.9rem;color:var(--tc-ink-2);font-variant-numeric:tabular-nums;flex:none;place-items:center;font-size:.8125rem;font-weight:600;display:grid}.result-text{gap:.1rem;min-width:0;display:grid}.result-title{font-size:.9375rem;font-weight:500;line-height:1.35}.result-title mark{color:inherit;background:0 0;font-weight:700}.result-where{color:var(--tc-ink-2);white-space:nowrap;text-overflow:ellipsis;font-size:.8125rem;line-height:1.4;overflow:hidden}.search-status{color:var(--tc-ink-2);margin:0;padding:0 1.25rem;font-size:.875rem}.search-status:not(:empty){padding-block:1rem}.search-results:not(:empty)+.search-status{clip-path:inset(50%);width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.search-keys{border-top:1px solid var(--tc-line);color:var(--tc-ink-2);flex:none;gap:1rem;margin:0;padding:.6rem 1.1rem;font-size:.75rem;display:flex}.search-keys span{align-items:center;gap:.25rem;display:inline-flex}.search-keys kbd{border-radius:var(--tc-radius-xs);background:var(--tc-paper-sunken);text-align:center;min-width:1.4rem;padding:.1rem .35rem}@media (width<=767.98px),(pointer:coarse){.search-keys{display:none}}@media (prefers-reduced-motion:reduce){.sheet,.sheet[open],.search,.search[open]{transition:opacity var(--tc-duration-fast) linear, display var(--tc-duration-fast) allow-discrete, overlay var(--tc-duration-fast) allow-discrete;transform:none!important}}.site-footer{padding:2rem max(var(--gutter), env(safe-area-inset-right)) max(2rem, env(safe-area-inset-bottom)) max(var(--gutter), env(safe-area-inset-left));border-top:1px solid var(--tc-line);color:var(--tc-ink-2);margin-top:4rem;font-size:.8125rem;line-height:1.6}.site-footer-inner{gap:.75rem;max-width:56rem;margin:0 auto;display:grid}html[data-kind=chapter] .site-footer-inner{max-width:calc(var(--measure) + 2 * var(--breakout))}@media (width>=1100px){html[data-kind=chapter] .site-footer{margin-left:var(--sidebar-w)}}.site-footer p{margin:0}.site-footer a{color:var(--tc-accent)}.site-footer code{font-family:var(--tc-font-mono);font-size:.9em}.site-footer-brand{color:var(--tc-ink);align-items:center;gap:.5rem;font-size:.875rem;display:flex}.footer-mark{width:1.25rem;height:1.25rem}.site-footer-theme{padding-top:.5rem}@media (width>=768px){.site-footer-theme{display:none}}.toast{left:50%;bottom:max(1.25rem, calc(env(safe-area-inset-bottom) + .5rem));z-index:50;border-radius:var(--tc-radius-pill);background:var(--tc-ink);max-width:calc(100vw - 2rem);color:var(--tc-paper);text-overflow:ellipsis;white-space:nowrap;box-shadow:var(--tc-shadow-md);opacity:0;pointer-events:none;transition:opacity var(--tc-duration) var(--tc-ease), transform var(--tc-duration) var(--tc-ease);padding:.65rem 1.1rem;font-size:.875rem;font-weight:500;position:fixed;overflow:hidden;transform:translate(-50%,.5rem)}.toast.show{opacity:1;transform:translate(-50%)}.not-found{max-width:32rem;padding:4rem var(--gutter);text-align:center;align-content:center;justify-items:center;gap:.25rem;margin:0 auto;display:grid}.not-found-mark{width:3rem;height:3rem;margin-bottom:1rem}.not-found h1{font-family:var(--tc-font-serif);margin:0;font-size:2.125rem;font-weight:600;line-height:1.2}.not-found p{color:var(--tc-ink-2);font-family:var(--tc-font-serif);margin:.75rem 0 1.5rem;font-size:1.1875rem;line-height:1.5}@media print{.bar,.sidebar,.sheet,.search,.on-page,.pager,.site-footer-theme,.code-actions,.code-expand{display:none!important}.chapter-layout{display:block}}.home{padding:0 max(var(--gutter), env(safe-area-inset-right)) 2rem max(var(--gutter), env(safe-area-inset-left))}.home>section{max-width:60rem;margin-inline:auto}.hero{text-align:center;justify-items:center;padding:3.5rem 0 2.5rem;display:grid}.hero-mark{width:3.25rem;height:3.25rem;margin-bottom:1.5rem}.hero-eyebrow{color:var(--tc-ink-2);margin:0 0 .85rem;font-size:.9375rem;font-weight:600}.hero h1{font-family:var(--tc-font-serif);font-optical-sizing:auto;letter-spacing:-.022em;text-wrap:balance;margin:0;font-size:clamp(2.5rem,1.6rem + 4.4vw,4.5rem);font-weight:600;line-height:1.2}.hero-dek{max-width:36rem;color:var(--tc-ink-2);font-family:var(--tc-font-serif);text-wrap:pretty;margin:1.25rem 0 0;font-size:clamp(1.25rem,1.1rem + .6vw,1.5rem);line-height:1.45}.hero-actions{flex-wrap:wrap;justify-content:center;gap:.75rem;margin-top:2rem;display:flex}.hero-actions .btn{min-width:10rem;height:3.125rem;font-size:1.0625rem}@media (width>=768px){.hero{padding:5.5rem 0 3.5rem}}.facts{padding-bottom:1rem}.facts-grid{border-radius:var(--tc-radius-lg);background:var(--tc-paper-raised);box-shadow:inset 0 0 0 1px var(--tc-line);grid-template-columns:repeat(2,minmax(0,1fr));margin:0;display:grid;overflow:hidden}.facts-grid>div{text-align:center;box-shadow:-1px -1px 0 var(--tc-line);flex-direction:column-reverse;gap:.2rem;padding:1.25rem 1rem;display:flex}.facts-grid dd{font-family:var(--tc-font-serif);letter-spacing:-.02em;font-variant-numeric:tabular-nums lining-nums;margin:0;font-size:2.25rem;font-weight:600;line-height:1.2}.facts-grid dt{color:var(--tc-ink-2);font-size:.875rem;line-height:1.35}@media (width>=768px){.facts-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.facts-grid>div{padding:1.75rem 1rem}.facts-grid dd{font-size:2.75rem}}.facts-pin{max-width:40rem;color:var(--tc-ink-2);text-align:center;text-wrap:pretty;margin:1rem auto 0;font-size:.8125rem;line-height:1.6}.facts-pin a{color:var(--tc-accent)}.facts-pin .nowrap{white-space:nowrap}.facts-pin code{font-family:var(--tc-font-mono);font-size:.92em}.section-head{text-align:center;max-width:38rem;margin:0 auto 1.75rem}.section-head h2{font-family:var(--tc-font-serif);letter-spacing:-.015em;margin:0;font-size:clamp(1.75rem,1.4rem + 1.4vw,2.375rem);font-weight:600;line-height:1.2}.section-head p{color:var(--tc-ink-2);font-family:var(--tc-font-serif);text-wrap:pretty;margin:.6rem 0 0;font-size:1.1875rem;line-height:1.5}.paths,.contents{padding-top:4rem}@media (width>=768px){.paths,.contents{padding-top:5.5rem}}.path-cards{grid-template-columns:repeat(auto-fit,minmax(16.5rem,1fr));gap:.875rem;margin:0;padding:0;list-style:none;display:grid}.path-card{border-radius:var(--tc-radius-lg);background:var(--tc-paper-raised);height:100%;box-shadow:inset 0 0 0 1px var(--tc-line);color:var(--tc-ink);transition:box-shadow var(--tc-duration) var(--tc-ease), transform var(--tc-duration) var(--tc-ease);flex-direction:column;gap:.5rem;padding:1.35rem 1.35rem 1.15rem;text-decoration:none;display:flex}.path-card:hover{box-shadow:var(--tc-shadow-md), inset 0 0 0 1px var(--tc-line-strong);transform:translateY(-2px)}.path-card:active{transform:scale(.99)}.path-index{color:var(--tc-ink-2);font-size:.8125rem;font-weight:600}.path-title{font-family:var(--tc-font-serif);letter-spacing:-.01em;font-size:1.375rem;font-weight:600;line-height:1.25}.path-text{color:var(--tc-ink-2);font-size:.9375rem;line-height:1.5}.path-steps{flex-wrap:wrap;gap:.3rem;margin-top:.5rem;display:flex}.path-step{border-radius:var(--tc-radius-pill);background:var(--tc-paper-sunken);min-width:1.75rem;height:1.75rem;color:var(--tc-ink);font-variant-numeric:tabular-nums;place-items:center;padding:0 .3rem;font-size:.75rem;font-weight:600;display:grid}.path-meta{color:var(--tc-ink-2);justify-content:space-between;align-items:center;gap:.5rem;margin-top:auto;padding-top:.85rem;font-size:.8125rem;display:flex}.path-meta .icon{color:var(--tc-ink-3);transition:transform var(--tc-duration) var(--tc-ease)}.path-card:hover .path-meta .icon{color:var(--tc-ink-2);transform:translate(2px)}.part+.part{margin-top:2.5rem}.part-head{margin-bottom:.75rem;padding-inline:.25rem}.part-num{color:var(--tc-ink-2);margin:0;font-size:.8125rem;font-weight:600}.part-head h3{font-family:var(--tc-font-serif);letter-spacing:-.01em;margin:.15rem 0 0;font-size:1.5rem;font-weight:600;line-height:1.25}.part-meta{color:var(--tc-ink-2);margin:.2rem 0 0;font-size:.8125rem}@media (width>=900px){.part{grid-template-columns:14rem minmax(0,1fr);align-items:start;gap:2rem;display:grid}.part+.part{margin-top:3rem}.part-head{top:calc(var(--bar-h) + 1.5rem);margin:0;padding-top:.75rem;position:sticky}}.chapter-list{border-radius:var(--tc-radius-lg);background:var(--tc-paper-raised);box-shadow:inset 0 0 0 1px var(--tc-line);margin:0;padding:0;list-style:none;overflow:hidden}.chapter-row{min-height:3.5rem;color:var(--tc-ink);transition:background-color var(--tc-duration-fast) var(--tc-ease);grid-template-columns:2.25rem minmax(0,1fr) auto;align-items:center;gap:0 .75rem;padding:1rem 1rem 1rem 1.1rem;text-decoration:none;display:grid;position:relative}.chapter-list li+li .chapter-row:before{content:"";border-top:1px solid var(--tc-line);position:absolute;top:0;left:4.1rem;right:0}.chapter-row:hover{background:var(--tc-hover)}.chapter-row:active{background:var(--tc-pressed)}.chapter-row:focus-visible{outline-offset:-3px;border-radius:var(--tc-radius-lg)}.row-num{border-radius:var(--tc-radius-pill);background:var(--tc-paper-sunken);width:2.25rem;height:2.25rem;color:var(--tc-ink);font-variant-numeric:tabular-nums;align-self:start;place-items:center;font-size:.875rem;font-weight:600;display:grid}.row-main{gap:.2rem;min-width:0;display:grid}.row-title{font-family:var(--tc-font-serif);text-wrap:balance;font-size:1.1875rem;font-weight:600;line-height:1.3}.row-summary{color:var(--tc-ink-2);text-wrap:pretty;font-size:.9375rem;line-height:1.45}.row-meta{color:var(--tc-ink-2);font-variant-numeric:tabular-nums;margin-top:.15rem;font-size:.8125rem}.row-chevron{color:var(--tc-ink-3)}@media (width<=479.98px){.chapter-row{grid-template-columns:2rem minmax(0,1fr) auto;gap:0 .65rem;padding:.9rem .75rem .9rem .9rem}.row-num{width:2rem;height:2rem;font-size:.8125rem}.chapter-list li+li .chapter-row:before{left:3.55rem}.row-title{font-size:1.125rem}}.chapter-page,.chapter-page>.prose,.prose>.chapter{grid-template-columns:var(--cols);align-content:start;display:grid}.chapter-page>.prose,.prose>.chapter{grid-column:full;grid-template-columns:subgrid}.chapter-page>*,.prose>.chapter>*{grid-column:content;min-width:0}.chapter>:is(figure.code,figure.diagram,figure.figure,.table,.layers,ol.flow,.cards,.cols),.chapter-page>.pager{grid-column:wide}@media (width<=639.98px){.chapter>:is(figure.code,figure.diagram,figure.figure,.table){grid-column:full}.chapter>figure.code{box-shadow:inset 0 1px 0 var(--tc-line), inset 0 -1px 0 var(--tc-line);border-radius:0}.chapter>figure.code .code-head,.chapter>figure.code .code-note{padding-inline:var(--gutter)}.chapter>figure.code .code-body .line{padding-right:var(--gutter)}.chapter>figure.code .code-body .line:before{width:calc(var(--digits) * 1ch + var(--gutter) + .8ch)}.chapter>figure.code .code-body .line.gap{padding-left:calc(var(--digits) * 1ch + var(--gutter) + 1.9ch)}.chapter>:is(figure.diagram,figure.figure) pre.ascii{padding-inline:var(--gutter);box-shadow:inset 0 1px 0 var(--tc-line), inset 0 -1px 0 var(--tc-line);border-radius:0}.chapter>:is(figure.diagram,figure.figure) figcaption{padding-inline:var(--gutter)}.chapter>.table{padding-inline:var(--gutter);scroll-padding-inline:var(--gutter)}}.chapter-head{padding:2.25rem 0 1.75rem}@media (width>=768px){.chapter-head{padding:3.5rem 0 2rem}}.chapter-eyebrow{color:var(--tc-ink-2);flex-wrap:wrap;gap:.15rem .45rem;margin:0 0 .85rem;font-size:.875rem;font-weight:600;line-height:1.4;display:flex}.chapter-head h1{font-family:var(--tc-font-serif);font-optical-sizing:auto;letter-spacing:-.012em;text-wrap:balance;margin:0;font-size:2rem;font-weight:600;line-height:1.2}.chapter-head h1 code{font-family:var(--tc-font-mono);font-size:.8em}.chapter-dek{color:var(--tc-ink-2);font-family:var(--tc-font-serif);text-wrap:pretty;margin:.85rem 0 0;font-size:1.25rem;line-height:1.45}@media (width>=768px){.chapter-head h1{font-size:2.75rem}.chapter-dek{font-size:1.375rem}}.chapter-meta{color:var(--tc-ink-2);font-variant-numeric:tabular-nums;flex-wrap:wrap;gap:.4rem 1.25rem;margin:1.25rem 0 0;padding:0;font-size:.8125rem;list-style:none;display:flex}.chapter-meta li{align-items:center;gap:.35rem;display:inline-flex}.chapter-meta .icon{width:.95rem;height:.95rem}.on-page{border-radius:var(--tc-radius-md);background:var(--tc-paper-sunken);margin:0 0 1rem}.on-page>summary{cursor:pointer;align-items:center;gap:.5rem;min-height:3rem;padding:.5rem 1rem;font-size:.9375rem;font-weight:600;list-style:none;display:flex}.on-page>summary::-webkit-details-marker{display:none}.on-page>summary:after{content:"";border-right:1.75px solid var(--tc-ink-2);border-bottom:1.75px solid var(--tc-ink-2);width:.5rem;height:.5rem;transition:transform var(--tc-duration) var(--tc-ease);margin-left:.25rem;transform:translateY(-.15rem)rotate(45deg)}.on-page[open]>summary:after{transform:translateY(.1rem)rotate(225deg)}.on-page-count{color:var(--tc-ink-2);margin-left:auto;font-weight:400}.on-page ol{counter-reset:section;margin:0;padding:0 .5rem .75rem;list-style:none}.on-page li{counter-increment:section}.on-page a{border-radius:var(--tc-radius-sm);min-height:2.5rem;color:var(--tc-ink);align-items:center;gap:.6rem;padding:.35rem .5rem;font-size:.9375rem;line-height:1.35;text-decoration:none;display:flex}.on-page a:before{content:counter(section);min-width:1.4rem;color:var(--tc-ink-2);font-variant-numeric:tabular-nums;flex:none}.on-page a:hover{background:var(--tc-hover)}.on-page a[aria-current]{background:var(--tc-accent-soft);font-weight:600}@media (width>=1100px){.on-page{display:none}}.pager{grid-template-columns:1fr;gap:.75rem;margin-top:4rem;display:grid}@media (width>=640px){.pager{grid-template-columns:1fr 1fr}.pager-link.next:only-child{grid-column:2}}.pager-link{border-radius:var(--tc-radius-md);background:var(--tc-paper-raised);box-shadow:inset 0 0 0 1px var(--tc-line);color:var(--tc-ink);transition:box-shadow var(--tc-duration) var(--tc-ease), transform var(--tc-duration-fast) var(--tc-ease);gap:.35rem;padding:1rem 1.15rem 1.1rem;text-decoration:none;display:grid}.pager-link:hover{box-shadow:var(--tc-shadow-md), inset 0 0 0 1px var(--tc-line-strong)}.pager-link:active{transform:scale(.99)}.pager-link.next{text-align:right}.pager-label{color:var(--tc-ink-2);align-items:center;gap:.25rem;font-size:.8125rem;font-weight:600;display:inline-flex}.pager-link.next .pager-label{justify-content:flex-end}.pager-label .icon{width:1rem;height:1rem}.pager-title{font-family:var(--tc-font-serif);text-wrap:balance;font-size:1.1875rem;font-weight:600;line-height:1.3}.prose{--prose-size:1.1875rem;font-family:var(--tc-font-serif);font-size:var(--prose-size);font-optical-sizing:auto;font-kerning:normal;overflow-wrap:break-word;text-wrap:pretty;line-height:1.65}@media (width>=768px){.prose{--prose-size:1.25rem}}.prose :where(p){margin-block:1em}.prose :where(strong,b){font-weight:600}.prose :where(a){color:var(--tc-accent);text-underline-offset:.2em;text-decoration-line:underline;text-decoration-thickness:.06em;text-decoration-color:color-mix(in srgb, var(--tc-accent) 40%, transparent)}.prose :where(a:hover){text-decoration-color:currentColor}.prose :where(h2,h3){color:var(--tc-ink);font-family:var(--tc-font-serif);text-wrap:balance;font-weight:600;position:relative}.prose :where(h2){border-top:1px solid var(--tc-line);letter-spacing:-.01em;margin:2.2em 0 .5em;padding-top:1.6em;font-size:1.3em;line-height:1.3}.prose>.chapter>h2:first-child{margin-top:.5em}.prose :where(h3){letter-spacing:-.005em;margin:1.8em 0 .35em;font-size:1.1em;line-height:1.35}@media (width>=768px){.prose :where(h2){font-size:1.4em}.prose :where(h3){font-size:1.15em}}.anchor{color:var(--tc-ink-3);font-family:var(--tc-font-sans);opacity:0;transition:opacity var(--tc-duration-fast) var(--tc-ease);margin-left:.35em;font-weight:400;text-decoration:none!important}:where(h2,h3):hover>.anchor,.anchor:focus-visible{opacity:1}@media (pointer:coarse){.anchor{display:none}}.prose :where(h2,h3):target{animation:target-wash 1.6s var(--tc-ease)}@keyframes target-wash{0%{background:var(--tc-accent-soft)}to{background:0 0}}.prose :where(ul,ol){margin-block:1em;padding-inline-start:1.35em}.prose :where(li){margin-block:.35em;padding-inline-start:.2em}.prose :where(li)::marker{color:var(--tc-ink-3)}.prose :where(ol>li)::marker{color:var(--tc-ink-2);font-variant-numeric:tabular-nums}.prose :where(dl){margin-block:1.2em}.prose :where(dt){margin-top:.8em;font-weight:600}.prose :where(dt:first-child){margin-top:0}.prose :where(dd){margin:.2em 0 0 1.2em}.prose :where(blockquote){border-inline-start:2px solid var(--tc-line-strong);color:var(--tc-ink-2);margin:1.4em 0;padding-inline-start:1em;font-style:italic}.prose :where(blockquote cite,.source){color:var(--tc-ink-2);font-family:var(--tc-font-sans);margin-top:.4em;font-size:.8125rem;font-style:normal;display:block}.prose :where(kbd){border:1px solid var(--tc-line-strong);border-radius:var(--tc-radius-xs);background:var(--tc-paper-raised);font-family:var(--tc-font-sans);white-space:nowrap;border-bottom-width:2px;padding:.05em .4em;font-size:.8em}.prose :where(code){border-radius:var(--tc-radius-xs);background:var(--tc-paper-sunken);font-family:var(--tc-font-mono);font-variant-ligatures:none;overflow-wrap:anywhere;padding:.1em .3em;font-size:.8em}.prose :where(hr){color:var(--tc-ink-3);text-align:center;border:0;margin-block:2.2em}.prose :where(hr):after{content:"• • •";font-size:.75em}a.ref{font-family:var(--tc-font-mono);color:var(--tc-accent);overflow-wrap:anywhere;font-size:.75em;text-decoration-style:dotted}figure.code{border-radius:var(--tc-radius-md);background:var(--tc-paper-sunken);box-shadow:inset 0 0 0 1px var(--tc-line);margin:1.6em 0;position:relative;overflow:hidden}.code-head{border-bottom:1px solid var(--tc-line);font-family:var(--tc-font-sans);padding:.75rem .75rem .6rem 1rem}.code-title{color:var(--tc-ink);margin-bottom:.35rem;font-size:.9375rem;font-weight:600;line-height:1.35}.code-meta{color:var(--tc-ink-2);flex-wrap:wrap;align-items:center;gap:.3rem .75rem;font-size:.75rem;line-height:1.3;display:flex}.code-path{min-width:0;color:var(--tc-ink-2);font-family:var(--tc-font-mono);overflow-wrap:anywhere;font-size:.78rem;text-decoration:none}.code-path:hover .code-file,.code-path:focus-visible .code-file{text-decoration:underline}.code-file{color:var(--tc-accent);font-weight:600}.code-range{font-variant-numeric:tabular-nums}.code-actions{gap:.35rem;margin-left:auto;display:inline-flex}.code-actions button,.code-expand{border-radius:var(--tc-radius-pill);background:var(--tc-paper-raised);height:1.75rem;box-shadow:var(--tc-shadow-sm), inset 0 0 0 1px var(--tc-edge);color:var(--tc-ink);font:500 .75rem/1 var(--tc-font-sans);white-space:nowrap;cursor:pointer;transition:color var(--tc-duration-fast) var(--tc-ease), transform var(--tc-duration-fast) var(--tc-ease);border:0;padding:0 .7rem}.code-actions button:hover,.code-expand:hover{color:var(--tc-accent)}.code-actions button:active,.code-expand:active{transform:scale(.96)}@media (pointer:coarse){.code-actions button,.code-expand{height:2.25rem;padding:0 .85rem;font-size:.8125rem}}.code-body{color:var(--tc-ink);font-family:var(--tc-font-mono);-moz-tab-size:2;tab-size:2;font-variant-ligatures:none;scrollbar-width:thin;scrollbar-color:var(--tc-line-strong) transparent;margin:0;padding:.75rem 0;font-size:.8125rem;line-height:1.6;overflow-x:auto}@media (width>=768px){.code-body{font-size:.875rem}}.code-body:focus-visible{outline-offset:-3px}.code-body code{min-width:max-content;font:inherit;background:0 0;padding:0;display:block}.code-body .line{white-space:pre;padding:0 1rem 0 0;display:block}.code-body .line:before{content:attr(data-n);width:calc(var(--digits) * 1ch + 1.8ch);background:var(--tc-paper-sunken);color:var(--tc-ink-3);text-align:right;-webkit-user-select:none;user-select:none;margin-right:1.1ch;padding-right:.8ch;display:inline-block;position:sticky;left:0}.code-body .line.hl{background:var(--tc-accent-soft)}.code-body .line.hl:before{background:color-mix(in srgb, var(--tc-paper-sunken) 82%, var(--tc-accent));color:var(--tc-ink)}.code-body .line.gap{padding-left:calc(var(--digits) * 1ch + 2.9ch);color:var(--tc-ink-3);font-style:italic}.code-body .line.gap:before{content:none}.code-body .k{color:var(--tc-syntax-keyword)}.code-body .s{color:var(--tc-syntax-string)}.code-body .n{color:var(--tc-syntax-number)}.code-body .t{color:var(--tc-syntax-type)}.code-body .c{color:var(--tc-syntax-comment);font-style:italic}.code-body .p{color:var(--tc-syntax-punctuation)}figure.code.collapsed .code-body{max-height:calc(41.6em + .75rem);overflow-y:hidden;-webkit-mask-image:linear-gradient(#000 78%,#0000);mask-image:linear-gradient(#000 78%,#0000)}.code-expand{margin:.25rem auto .85rem;display:block}.code-note{border-top:1px solid var(--tc-line);color:var(--tc-ink-2);font-family:var(--tc-font-sans);padding:.7rem 1rem .85rem;font-size:.875rem;line-height:1.55}.code-note code{font-size:.85em}.callout{border-radius:var(--tc-radius-md);background:var(--tc-paper-sunken);margin:1.5em 0;padding:.95rem 1.15rem;font-size:.95em}.callout:before{content:attr(data-label);color:var(--tc-ink-2);font-family:var(--tc-font-sans);margin-bottom:.3rem;font-size:.8125rem;font-weight:600;display:block}.callout:not([data-label]):before{content:none}.callout>:first-child{margin-top:0}.callout>:last-child{margin-bottom:0}.callout.idea{background:var(--tc-accent-soft);box-shadow:inset 3px 0 0 var(--tc-accent)}.callout.idea:before{color:var(--tc-ink)}.callout.warn{background:var(--tc-warning-soft);box-shadow:inset 3px 0 0 var(--tc-warning)}.callout.warn:before{color:var(--tc-warning-ink)}.callout.quote{box-shadow:inset 2px 0 0 var(--tc-line-strong);color:var(--tc-ink-2);background:0 0;border-radius:0;font-style:italic}.callout.quote cite{color:var(--tc-ink-2);font-family:var(--tc-font-sans);margin-top:.4rem;font-size:.8125rem;font-style:normal;display:block}.table{scrollbar-width:thin;scrollbar-color:var(--tc-line-strong) transparent;margin:1.6em 0;overflow-x:auto}.table table{border-collapse:collapse;width:100%;font-family:var(--tc-font-sans);font-variant-numeric:tabular-nums;font-size:.75em;line-height:1.5}.table th,.table td{border-bottom:1px solid var(--tc-line);text-align:start;vertical-align:top;padding:.65em .85em}.table th{border-bottom-color:var(--tc-line-strong);white-space:nowrap;font-weight:600}.table :is(th,td):first-child{padding-inline-start:0}.table :is(th,td):last-child{padding-inline-end:0}.table tbody tr:last-child :is(th,td){border-bottom:0}.table code{font-size:.9em}figure.diagram,figure.figure{margin:1.8em 0}figure.diagram figcaption,figure.figure figcaption{max-width:var(--measure);color:var(--tc-ink-2);font-family:var(--tc-font-sans);margin-top:.6em;font-size:.875rem;line-height:1.45}pre.ascii{border-radius:var(--tc-radius-md);background:var(--tc-paper-raised);box-shadow:inset 0 0 0 1px var(--tc-line);color:var(--tc-ink);font-family:var(--ascii-font);tab-size:4;scrollbar-width:thin;scrollbar-color:var(--tc-line-strong) transparent;margin:0;padding:1rem 1.15rem;font-size:.8125rem;line-height:1.45;overflow-x:auto}pre.ascii b,pre.ascii strong{color:var(--tc-accent);font-weight:600}pre.ascii i,pre.ascii em{color:var(--tc-ink-2)}ol.flow{counter-reset:flow;font-family:var(--tc-font-sans);flex-wrap:wrap;align-items:stretch;gap:.5rem 1.75rem;margin:1.6em 0;padding:0;font-size:.875rem;line-height:1.4;list-style:none;display:flex}ol.flow>li{border-radius:var(--tc-radius-md);background:var(--tc-paper-raised);box-shadow:var(--tc-shadow-sm), inset 0 0 0 1px var(--tc-line);counter-increment:flow;flex:9rem;margin:0;padding:.75rem .9rem;position:relative}ol.flow>li:before{content:counter(flow);background:var(--tc-paper-sunken);width:1.35rem;height:1.35rem;color:var(--tc-ink);font-variant-numeric:tabular-nums;border-radius:50%;place-items:center;margin-right:.4rem;font-size:.75rem;font-weight:700;display:inline-grid}ol.flow>li:not(:last-child):after{content:"→";color:var(--tc-ink-3);font-size:1rem;position:absolute;top:50%;right:-1.35rem;transform:translateY(-50%)}ol.flow>li>b,ol.flow>li>strong{font-weight:600}ol.flow>li>span,ol.flow>li>small{color:var(--tc-ink-2);margin-top:.3rem;display:block}@media (width<=640px){ol.flow{flex-direction:column;gap:1.4rem}ol.flow>li:not(:last-child):after{content:"↓";inset:auto auto -1.3rem 1.2rem;transform:none}}.layers{font-family:var(--tc-font-sans);gap:.5rem;margin:1.6em 0;font-size:.875rem;line-height:1.45;display:grid}.layer{border-radius:var(--tc-radius-md);background:var(--tc-paper-raised);box-shadow:var(--tc-shadow-sm), inset 0 0 0 1px var(--tc-line);grid-template-columns:minmax(8rem,12rem) 1fr;align-items:start;gap:.25rem 1rem;padding:.8rem 1rem;display:grid}.layer>:first-child{font-weight:600}.layer>:last-child{color:var(--tc-ink-2)}.layer.accent{box-shadow:inset 0 0 0 1.5px var(--tc-accent), var(--tc-shadow-sm)}@media (width<=640px){.layer{grid-template-columns:1fr}}.cards{font-family:var(--tc-font-sans);grid-template-columns:repeat(auto-fill,minmax(14rem,1fr));gap:.75rem;margin:1.6em 0;font-size:.875rem;line-height:1.45;display:grid}.card{border-radius:var(--tc-radius-md);background:var(--tc-paper-raised);box-shadow:var(--tc-shadow-sm), inset 0 0 0 1px var(--tc-line);color:var(--tc-ink);transition:box-shadow var(--tc-duration) var(--tc-ease);padding:.95rem 1.05rem;display:block;text-decoration:none!important}a.card:hover{box-shadow:var(--tc-shadow-md), inset 0 0 0 1px var(--tc-line-strong)}.card>b,.card>strong{font-weight:600;display:block}.card>span{color:var(--tc-ink-2);margin-top:.3rem;display:block}.card code{font-size:.85em}.cols{grid-template-columns:repeat(auto-fit,minmax(18rem,1fr));gap:1rem 1.5rem;margin:1.4em 0;display:grid}.cols>*{min-width:0}.cols>*>:first-child{margin-top:0}details.deep{border-radius:var(--tc-radius-md);box-shadow:inset 0 0 0 1px var(--tc-line);margin:1.4em 0}details.deep>summary{font-family:var(--tc-font-sans);cursor:pointer;padding:.8rem 1rem;font-size:.9375rem;font-weight:600;list-style:none}details.deep>summary::-webkit-details-marker{display:none}details.deep>summary:before{content:"›";width:1rem;color:var(--tc-ink-2);transition:transform var(--tc-duration-fast) var(--tc-ease);display:inline-block}details.deep[open]>summary:before{transform:rotate(90deg)}details.deep>:not(summary){margin-left:1rem;margin-right:1rem}details.deep[open]{padding-bottom:.5rem}.badge{border-radius:var(--tc-radius-pill);background:var(--tc-accent-soft);color:var(--tc-ink);font-family:var(--tc-font-sans);vertical-align:.1em;white-space:nowrap;padding:.15em .55em;font-size:.72em;font-weight:600;line-height:1.5;display:inline-block}@media print{figure.code.collapsed .code-body{max-height:none;-webkit-mask-image:none;mask-image:none}}