@font-face{font-family:Fraunces;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/fraunces-vietnamese-600-normal.BjlAJixd.woff2)format("woff2"),url(/_astro/fraunces-vietnamese-600-normal.DlAl5EAR.woff)format("woff");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:Fraunces;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/fraunces-latin-ext-600-normal.BtzmzP0X.woff2)format("woff2"),url(/_astro/fraunces-latin-ext-600-normal.B0Dy4lqi.woff)format("woff");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:Fraunces;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/fraunces-latin-600-normal.BFCDtZfi.woff2)format("woff2"),url(/_astro/fraunces-latin-600-normal.DL5QCzvS.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-cyrillic-ext-400-normal.g30qAdWV.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-ext-400-normal.Dsrv2Tcn.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-cyrillic-400-normal.DZqxrq2p.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-400-normal.BTotfTJu.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-greek-400-normal._efipK4i.woff2)format("woff2"),url(/_astro/ibm-plex-sans-greek-400-normal.D9ESIMu3.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-vietnamese-400-normal.DG4YqDda.woff2)format("woff2"),url(/_astro/ibm-plex-sans-vietnamese-400-normal.fK1oJ5dG.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-latin-ext-400-normal.C5H60-Va.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-ext-400-normal.RBey6euL.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-sans-latin-400-normal.CDDApCn2.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-400-normal.CYLoc0-x.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-cyrillic-ext-600-normal.DUMzJB7m.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-ext-600-normal.Bz0x94Yp.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-cyrillic-600-normal.71GNu3SW.woff2)format("woff2"),url(/_astro/ibm-plex-sans-cyrillic-600-normal.BGq0mW3O.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-greek-600-normal.DzTrcv_p.woff2)format("woff2"),url(/_astro/ibm-plex-sans-greek-600-normal.D-CqTdkO.woff)format("woff");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-vietnamese-600-normal.DpPYBSTl.woff2)format("woff2"),url(/_astro/ibm-plex-sans-vietnamese-600-normal.DgdngZtN.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-latin-ext-600-normal.DOrvGEcy.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-ext-600-normal.DIrixKbi.woff)format("woff");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:IBM Plex Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/_astro/ibm-plex-sans-latin-600-normal.CuJfVYMP.woff2)format("woff2"),url(/_astro/ibm-plex-sans-latin-600-normal.Cu4Hd6ag.woff)format("woff");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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-cyrillic-ext-500-normal.BqneJy0T.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-ext-500-normal.BIfNGwUT.woff)format("woff");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-cyrillic-500-normal.Bq9vWWag.woff2)format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-500-normal.Ael50iVv.woff)format("woff");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-vietnamese-500-normal.DZ4AoWbu.woff2)format("woff2"),url(/_astro/ibm-plex-mono-vietnamese-500-normal.C8zxqsMH.woff)format("woff");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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-latin-ext-500-normal.CAhNIIs5.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-ext-500-normal.CZ70TYgx.woff)format("woff");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:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/ibm-plex-mono-latin-500-normal.DSY6xOcd.woff2)format("woff2"),url(/_astro/ibm-plex-mono-latin-500-normal.CB9ihrfo.woff)format("woff");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}@layer site{:root{--bg:#f8f7fc;--surface:#fff;--ink:#16151d;--muted:#55536a;--rule:#dcdae8;--rule-strong:#16151d;--accent:#2a24ff;--accent-ink:#fff;--accent-soft:#e9e8ff;--hl:#eef08a;--hl-ink:#16151d;--dot:#d9d7e6;--ok:#1d6b3a;--warn:#8a5a00;--bad:#a3242c;--radius:3px;--font-display:"Fraunces", Georgia, "Times New Roman", serif;--font-sans:"IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;--font-mono:"IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;--measure:68ch;--wide:1180px;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0f0e17;--surface:#17161f;--ink:#ecebf5;--muted:#aaa8bd;--rule:#2c2b3a;--rule-strong:#ecebf5;--accent:#9b98ff;--accent-ink:#0f0e17;--accent-soft:#23214a;--hl:#e6e87a;--hl-ink:#0f0e17;--dot:#24232f;--ok:#6fd391;--warn:#f0c060;--bad:#ff8a8f;color-scheme:dark}}:root[data-theme=dark]{--bg:#0f0e17;--surface:#17161f;--ink:#ecebf5;--muted:#aaa8bd;--rule:#2c2b3a;--rule-strong:#ecebf5;--accent:#9b98ff;--accent-ink:#0f0e17;--accent-soft:#23214a;--hl:#e6e87a;--hl-ink:#0f0e17;--dot:#24232f;--ok:#6fd391;--warn:#f0c060;--bad:#ff8a8f;color-scheme:dark}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);font:400 1.0625rem/1.65 var(--font-sans);text-rendering:optimizelegibility;margin:0}img,svg{max-width:100%;height:auto;display:block}a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:var(--radius)}h1,h2,h3{font-family:var(--font-display);letter-spacing:-.01em;margin:0 0 .5em;font-weight:600;line-height:1.15}h1{font-size:clamp(2rem,4.6vw,3.4rem)}h2{margin-top:2.2em;font-size:clamp(1.45rem,2.6vw,2rem)}h3{margin-top:1.8em;font-size:1.22rem}p,ul,ol{margin:0 0 1em}li{margin-bottom:.35em}hr{border:0;border-top:1px solid var(--rule);margin:2.5rem 0}code{font-family:var(--font-mono);font-size:.9em}mark,.hl{color:inherit;text-decoration:underline;text-decoration-color:var(--hl);text-underline-offset:.06em;text-decoration-skip-ink:none;background:0 0;text-decoration-thickness:.3em}.skip{position:absolute;top:0;left:-9999px}.skip:focus{background:var(--surface);z-index:10;padding:.5rem .75rem;top:1rem;left:1rem}.wrap{max-width:var(--wide);margin:0 auto;padding:0 1.25rem}.prose{max-width:var(--measure)}.label{font:500 .75rem/1.4 var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.label strong{color:var(--ink);font-weight:500}.site-header{border-bottom:1px solid var(--rule);background:var(--bg)}.site-header .wrap{flex-wrap:wrap;align-items:center;gap:1.5rem;min-height:64px;display:flex}.brand{color:var(--ink);font:600 1.05rem/1 var(--font-display);align-items:center;gap:.6rem;text-decoration:none;display:flex}.brand svg{flex:none;width:26px;height:26px}.nav{flex-wrap:wrap;gap:1.25rem;margin-left:auto;display:flex}.nav a{font:500 .78rem/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ink);padding:.5rem 0;text-decoration:none}.nav a[aria-current=page],.nav a:hover{box-shadow:inset 0 -2px 0 var(--accent)}@media (width<=640px){.site-header .wrap{gap:.25rem 1rem;padding-top:.6rem}.nav{flex-wrap:nowrap;order:3;gap:.9rem;width:100%;margin-left:0;padding-bottom:.35rem;overflow-x:auto}.nav a{white-space:nowrap;letter-spacing:.05em;font-size:.74rem}.theme-toggle{margin-left:auto}}.theme-toggle{border:1px solid var(--rule);border-radius:var(--radius);color:var(--ink);cursor:pointer;font:500 .72rem/1 var(--font-mono);text-transform:uppercase;letter-spacing:.1em;background:0 0;padding:.35rem .5rem}.btn,.btn-ghost{font:500 .8rem/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;border-radius:var(--radius);cursor:pointer;border:1px solid var(--accent);align-items:center;gap:.5rem;padding:.85rem 1.2rem;text-decoration:none;display:inline-flex}.btn{background:var(--accent);color:var(--accent-ink)}.btn:hover{background:var(--ink);border-color:var(--ink);color:var(--bg)}.btn-ghost{color:var(--ink);background:0 0}.btn-ghost:hover{background:var(--accent-soft)}.chip{font:500 .7rem/1 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--rule);border-radius:var(--radius);color:var(--muted);white-space:nowrap;padding:.3rem .45rem;display:inline-block}.chip.practical{border-color:var(--accent);color:var(--accent)}.chip.verified{border-color:var(--ok);color:var(--ok)}.chip.conflict,.chip.unverified,.chip.not-published{border-color:var(--warn);color:var(--warn)}.dots{background-image:radial-gradient(var(--dot) 1px, transparent 1.2px);background-size:18px 18px}.hero{border-bottom:1px solid var(--rule);padding:3.5rem 0 3rem}.hero p.lede{color:var(--muted);max-width:60ch;font-size:1.2rem}.hero .actions{flex-wrap:wrap;gap:.75rem;margin-top:1.5rem;display:flex}.frame{border:1px solid var(--rule-strong);background:var(--surface);margin:2rem 0}.frame>.frame-bar{border-bottom:1px solid var(--rule);justify-content:space-between;align-items:center;gap:1rem;padding:.55rem .9rem;display:flex}.frame>.frame-body{padding:1rem}.table-scroll{-webkit-overflow-scrolling:touch;border:1px solid var(--rule);background:var(--surface);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.95rem}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--rule);padding:.7rem .8rem}th{font:500 .72rem/1.3 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--bg);white-space:nowrap}tbody tr:last-child td{border-bottom:0}td.num{font-family:var(--font-mono);white-space:nowrap}th button{all:unset;cursor:pointer}.prose>table{-webkit-overflow-scrolling:touch;border:1px solid var(--rule);background:var(--surface);margin:1.5rem 0;display:block;overflow-x:auto}select{font:inherit;letter-spacing:0;text-transform:none;color:var(--ink);background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);margin-left:.4rem;padding:.35rem .5rem;font-size:.9rem}th button:focus-visible{outline:2px solid var(--accent)}.facts{border-top:1px solid var(--rule);grid-template-columns:minmax(9rem,14rem) 1fr;margin:1.5rem 0;display:grid}.facts dt,.facts dd{border-bottom:1px solid var(--rule);margin:0;padding:.75rem 0}.facts dt{font:500 .74rem/1.5 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding-right:1rem}@media (width<=560px){.facts{grid-template-columns:1fr}.facts dt{border-bottom:0;padding-bottom:0}}.rows{border-top:1px solid var(--rule);margin:1.5rem 0;padding:0;list-style:none}.rows>li{border-bottom:1px solid var(--rule);grid-template-columns:1fr auto;gap:.25rem 1.5rem;margin:0;padding:1.1rem 0;display:grid}.rows h3{margin:0;font-size:1.15rem}.rows h3 a{color:var(--ink);text-decoration:none}.rows h3 a:hover{box-shadow:inset 0 -2px 0 var(--accent)}.rows p{color:var(--muted);grid-column:1/-1;margin:0}@media (width<=560px){.rows>li{grid-template-columns:1fr}}.callout{border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 var(--radius) var(--radius) 0;margin:1.5rem 0;padding:.9rem 1.1rem}.callout.warn{border-left-color:var(--warn);border:1px solid var(--rule);border-left:3px solid var(--warn);background:0 0}.callout>:last-child{margin-bottom:0}.takeaways{border:1px solid var(--rule-strong);background:var(--surface);margin:1.5rem 0 2rem;padding:1rem 1.25rem}.takeaways ul{margin:.5rem 0 0;padding-left:1.1rem}.toc{margin:1.5rem 0}.toc ol{margin:.5rem 0 0;padding-left:1.2rem}.crumbs{font:500 .72rem/1.4 var(--font-mono);letter-spacing:.08em;text-transform:uppercase;margin:1.5rem 0 1rem}.crumbs ol{flex-wrap:wrap;gap:.4rem;margin:0;padding:0;list-style:none;display:flex}.crumbs li{margin:0}.crumbs li+li:before{content:"/";color:var(--muted);margin-right:.4rem}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--accent)}.meta-line{font:500 .75rem/1.5 var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);flex-wrap:wrap;gap:1rem;display:flex}.sources-list{padding-left:1.2rem;font-size:.92rem}.sources-list li{word-break:break-word;margin-bottom:.5rem}sup.src a{font:500 .7rem var(--font-mono);padding:0 .1rem;text-decoration:none}.planner fieldset{border:1px solid var(--rule);border-radius:var(--radius);background:var(--surface);margin:0 0 1rem;padding:1rem 1.1rem .6rem}.planner legend{padding:0 .4rem}.planner label{cursor:pointer;align-items:flex-start;gap:.6rem;margin-bottom:.55rem;display:flex}.planner input[type=radio]{accent-color:var(--accent);flex:none;width:1.05rem;height:1.05rem;margin-top:.35rem}.plan-output{margin-top:2rem}.plan-step{border-top:1px solid var(--rule-strong);padding:1rem 0}.plan-step h3{margin-top:.3rem}.plan-total{font-family:var(--font-mono)}.site-footer{border-top:1px solid var(--rule);color:var(--muted);margin-top:5rem;padding:2.5rem 0 3rem;font-size:.92rem}.site-footer .cols{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1.5rem;display:grid}.site-footer ul{margin:.5rem 0 0;padding:0;list-style:none}.site-footer a{color:var(--ink);text-decoration:none}.site-footer a:hover{color:var(--accent)}.yt{aspect-ratio:16/9;border:1px solid var(--rule-strong);background:#000;position:relative}.yt button{all:unset;cursor:pointer;place-items:center;display:grid;position:absolute;inset:0}.yt img{object-fit:cover;width:100%;height:100%}.yt .play{background:var(--accent);color:var(--accent-ink);font:500 .8rem/1 var(--font-mono);letter-spacing:.1em;text-transform:uppercase;border-radius:var(--radius);padding:.8rem 1rem;position:absolute}.yt button:focus-visible .play{outline:2px solid var(--hl);outline-offset:3px}.yt iframe{border:0;width:100%;height:100%;position:absolute;inset:0}figure{margin:2rem 0}figcaption{color:var(--muted);margin-top:.5rem;font-size:.85rem}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}}