:root{--paper: #e7e9e3;--paper-deep: #eef0ea;--surface: #f4f5f1;--ink: #191712;--ink-2: #5f5c54;--ink-3: #8d8a80;--border: #cbc9bf;--grid-line: #d6d4c9;--ink-soft: #8d8a8080;--ink-faint: #cbc9bf;--accent: #8a2c4d;--accent-soft: #8a2c4d14;--badge-bg: #efdfe6;--badge-ink: #8a2c4d;--ok: #2f7d55;--ok-soft: #2f7d5518;--stamp-red: #c4442b;--panel-glow: #8a2c4d;--font-sans: "Hanken Grotesk Variable", system-ui, sans-serif;--font-prose: "Fraunces Variable", Georgia, serif;--font-display: "Fraunces Variable", Georgia, serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;--measure: 68ch;--radius: 0px;--radius-sm: 0px;--rule: 1px solid var(--border);--heavy: 1.5px solid var(--ink);color-scheme:light}html.dark{--paper: #14130f;--paper-deep: #1d1b16;--surface: #1b1a15;--ink: #ece8df;--ink-2: #a09c90;--ink-3: #74716a;--border: #2c2a24;--grid-line: #201e19;--ink-soft: #a09c9066;--ink-faint: #2c2a24;--accent: #de8aa6;--accent-soft: #de8aa622;--badge-bg: #2a1c22;--badge-ink: #e79bb4;--ok: #4fae7e;--ok-soft: #4fae7e22;--stamp-red: #e0765f;--panel-glow: #de8aa6;color-scheme:dark}@font-face{font-family:Fraunces Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/fraunces-vietnamese-wght-normal.CnvboYUG.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Fraunces Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/fraunces-latin-ext-wght-normal.Ca2vKHc0.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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 Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/fraunces-latin-wght-normal.ukD16Tqj.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(data:font/woff2;base64,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) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/hanken-grotesk-vietnamese-wght-normal.CHiFlh_0.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/hanken-grotesk-latin-ext-wght-normal.Dg-wlmqe.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:Hanken Grotesk Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/hanken-grotesk-latin-wght-normal.CaVRRdDk.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,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:400;src:url(/_astro/ibm-plex-mono-cyrillic-ext-400-normal.xuaO2J-f.woff2) format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-ext-400-normal.DMdlQ8Kv.woff) format("woff");unicode-range:U+0460-052F,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:400;src:url(/_astro/ibm-plex-mono-cyrillic-400-normal.BSMlKf0J.woff2) format("woff2"),url(/_astro/ibm-plex-mono-cyrillic-400-normal.CEL4l2ZJ.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-vietnamese-400-normal.BulugwFq.woff2) format("woff2"),url(/_astro/ibm-plex-mono-vietnamese-400-normal.DDuiU_S-.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:IBM Plex Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/ibm-plex-mono-latin-ext-400-normal.BmRBH3aV.woff2) format("woff2"),url(/_astro/ibm-plex-mono-latin-ext-400-normal.D3D2R8hC.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:400;src:url(/_astro/ibm-plex-mono-latin-400-normal.DMJ8VG8y.woff2) format("woff2"),url(/_astro/ibm-plex-mono-latin-400-normal.CvHOgSBP.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,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+0460-052F,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+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,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+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,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+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}*{box-sizing:border-box;margin:0;padding:0}html{background:var(--paper);color:var(--ink);font-family:var(--font-sans);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}img,svg,table,pre{max-width:100%}body{min-height:100vh;overflow-x:hidden;background-image:linear-gradient(var(--grid-line) 1px,transparent 1px),linear-gradient(90deg,var(--grid-line) 1px,transparent 1px);background-size:100% 3.2rem,4rem 100%}h1,h2,h3,h4{font-family:var(--font-display);font-weight:620;line-height:1.03;letter-spacing:-.015em;font-optical-sizing:auto;text-align:left}section h2,section h3{margin-top:1.8em;margin-bottom:.5em}.hero h1,.sechead h2,.track h3,.exam h2,.prose h2:first-child,section>.sechead h2{margin-top:0}.sechead h2{margin-bottom:0}a{color:var(--accent);text-underline-offset:3px}a:hover{text-decoration:underline}code,pre,.mono{font-family:var(--font-mono)}.mono{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase}code{font-size:.85em;background:var(--paper-deep);padding:.1em .35em}pre{background:var(--surface);border:var(--rule);padding:1rem;overflow-x:auto}pre code{background:none;padding:0}.sheet{max-width:1180px;margin:0 auto;padding:0 clamp(1.1rem,3vw,2.4rem) 5rem}.doc-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.6rem 1.2rem;border-bottom:var(--heavy);padding:1.05rem 0;margin-bottom:0}.doc-header .brand{font-family:var(--font-display);font-weight:800;font-size:1.35rem;letter-spacing:-.02em;color:var(--ink);text-decoration:none}.doc-header .brand b{color:var(--accent);font-weight:800}.doc-header nav{display:flex;align-items:center;gap:clamp(.9rem,2vw,1.6rem);flex-wrap:wrap}.doc-header nav a{color:var(--ink-2);text-decoration:none;font-size:.9rem;font-weight:500}.doc-header nav a:hover{color:var(--accent);text-decoration:none}.doc-header .chip{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;border:1.5px solid var(--ink);padding:.3rem .55rem;color:var(--ink)}.theme-toggle,.lang-toggle{display:inline-flex;align-items:center;justify-content:center;height:32px;border:1.5px solid var(--ink);background:transparent;cursor:pointer;line-height:1;padding:0;color:var(--ink)}.theme-toggle{width:34px}.theme-toggle:hover{background:var(--ink);color:var(--paper)}.theme-toggle svg{display:block}.lang-toggle{min-width:34px;padding:0 .5rem;font-family:var(--font-mono);font-size:.72rem;font-weight:500;letter-spacing:.08em}.lang-toggle:hover{background:var(--ink);color:var(--paper)}.doc-footer{margin-top:4rem;padding:2rem 0 0;border-top:var(--heavy);font-size:.8rem;color:var(--ink-3);display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}.doc-footer .mono{color:var(--ink-3)}section{padding:clamp(2.6rem,5vw,4.4rem) 0}.eyebrow{display:inline-flex;gap:.6rem;align-items:center;flex-wrap:wrap;max-width:100%;color:var(--accent);font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase}.eyebrow:before{content:"";width:34px;height:1.5px;background:var(--accent);flex:none}.section-no{display:inline-block;font-family:var(--font-mono);font-size:.7rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:.6rem}.sechead{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem 1rem;flex-wrap:wrap;margin-bottom:2rem;border-bottom:var(--rule);padding-bottom:.8rem}.sechead h2{font-family:var(--font-display);font-weight:600;font-size:clamp(1.5rem,3vw,2.1rem)}.sechead .mono{color:var(--ink-3)}.prose{max-width:var(--measure);text-align:justify;text-justify:inter-word;hyphens:auto}.prose :where(p,li,h2,h3){overflow-wrap:break-word}.prose :where(h1,h2,h3,h4){text-align:left;hyphens:none}.prose :where(pre,.mono,code){hyphens:none}.prose h2,.prose h3{margin-top:2em;margin-bottom:.5em}.prose p,.prose ul,.prose ol{margin-bottom:1rem}.prose ul,.prose ol{padding-left:1.4rem}.prose li{margin:.3rem 0}.rule-row{border-top:var(--rule);padding:.85rem 0}.btn{display:inline-block;font-family:var(--font-sans);font-size:.95rem;font-weight:600;cursor:pointer;background:var(--ink);color:var(--paper);border:1.5px solid var(--ink);border-radius:0;padding:.8rem 1.4rem;text-decoration:none;line-height:1.2;transition:background .15s,color .15s,border-color .15s}.btn:hover{background:var(--accent);border-color:var(--accent);color:#fff;text-decoration:none}.btn.ghost{background:transparent;color:var(--ink)}.btn.ghost:hover{background:var(--ink);color:var(--paper)}.btn.accent{background:var(--accent);border-color:var(--accent);color:#fff}.btn.accent:hover{filter:brightness(1.12)}.btn:disabled{opacity:.4;cursor:not-allowed}.badge{display:inline-block;background:var(--badge-bg);color:var(--badge-ink);font-family:var(--font-mono);font-size:.68rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;padding:.35rem .7rem}.hero{position:relative;padding:clamp(3rem,7vw,6rem) 0 clamp(2.5rem,5vw,4rem);border-bottom:var(--heavy);overflow:hidden}.hero h1{font-family:var(--font-display);font-weight:800;font-size:clamp(2.1rem,8vw,6rem);line-height:.95;letter-spacing:-.03em;max-width:15ch;margin-top:1.4rem;text-wrap:balance;overflow-wrap:break-word}.hero h1 .u{color:var(--accent)}.hero p.lead{margin-top:1.5rem;font-size:clamp(1.02rem,1.6vw,1.2rem);color:var(--ink-2);max-width:46ch;line-height:1.5}.hero .actions{margin-top:2rem;display:flex;gap:.7rem;flex-wrap:wrap}.ghostnum{position:absolute;right:-1.5rem;top:50%;transform:translateY(-50%);font-family:var(--font-display);font-weight:800;font-size:clamp(12rem,30vw,26rem);line-height:1;color:var(--ink);opacity:.05;pointer-events:none;user-select:none}.strip{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:var(--heavy)}.strip .cell{padding:1.4rem clamp(.8rem,2vw,1.6rem);border-right:var(--rule)}.strip .cell:last-child{border-right:0}.strip .n{font-family:var(--font-display);font-weight:800;font-size:clamp(1.9rem,4vw,2.8rem);line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.strip .k{margin-top:.4rem;color:var(--ink-2);font-size:.86rem}.idx{border-top:var(--heavy)}.row{display:grid;grid-template-columns:5rem 1fr 13rem 9rem;align-items:center;gap:1rem;padding:1.35rem .4rem;border-bottom:var(--rule);text-decoration:none;color:inherit;transition:background .15s;position:relative}.row:hover{background:var(--surface);text-decoration:none}.row:hover .rt{color:var(--accent)}.rnum{font-family:var(--font-display);font-weight:800;font-size:2.3rem;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}.row.locked .rnum,.row.locked .rt,.row.locked .rd{opacity:.4}.rt{font-family:var(--font-display);font-weight:600;font-size:1.24rem;letter-spacing:-.01em;overflow-wrap:break-word}.rd{color:var(--ink-2);font-size:.88rem;margin-top:.25rem;overflow-wrap:break-word}.rmeta{font-family:var(--font-mono);font-size:.7rem;color:var(--ink-3);letter-spacing:.06em}.bar{height:6px;background:var(--border);position:relative;margin-top:.5rem}.bar>span{position:absolute;inset:0 auto 0 0;background:var(--ok)}.rstate{text-align:right;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.05em}.rstate .go{display:inline-block;border:1.5px solid var(--ink);padding:.35rem .7rem;color:var(--ink)}.row:hover .rstate .go{background:var(--accent);border-color:var(--accent);color:#fff}.rstate .locktag{color:var(--ink-3)}.tracks{display:grid;grid-template-columns:repeat(3,1fr);border-top:var(--heavy);border-bottom:var(--heavy)}.track{padding:1.8rem 1.4rem;border-right:var(--rule)}.track:last-child{border-right:0}.track .step{font-family:var(--font-mono);font-size:.7rem;color:var(--accent);letter-spacing:.12em}.track h3{font-family:var(--font-display);font-weight:600;font-size:1.24rem;margin:.7rem 0 .4rem}.track p{color:var(--ink-2);font-size:.92rem;line-height:1.5}.exam{background:var(--ink);color:var(--paper);border-radius:18px;padding:clamp(2.2rem,5vw,3.6rem);display:flex;flex-wrap:wrap;gap:1.4rem;align-items:center;justify-content:space-between}.exam h2{font-family:var(--font-display);font-weight:800;font-size:clamp(1.8rem,4vw,2.6rem);max-width:16ch;line-height:1;color:var(--paper)}.exam p{color:var(--ink-3);margin-top:.6rem;max-width:40ch;font-size:.96rem}@media(max-width:820px){.strip{grid-template-columns:repeat(2,1fr)}.strip .cell:nth-child(2){border-right:0}.strip .cell:nth-child(-n+2){border-bottom:var(--rule)}.tracks{grid-template-columns:1fr}.track{border-right:0;border-bottom:var(--rule)}.track:last-child{border-bottom:0}.row{grid-template-columns:3.2rem 1fr!important;grid-template-areas:"num body" "num prog";row-gap:.5rem}.rnum{grid-area:num;font-size:1.7rem}.rbody{grid-area:body}.rprog{grid-area:prog}.rstate,.ghostnum{display:none}.hero h1{font-size:clamp(1.9rem,8.5vw,3.2rem);max-width:100%}}@media(max-width:560px){.doc-header .chip{display:none}.doc-header nav{gap:.9rem}body{background-size:100% 3.2rem,3rem 100%}}