@font-face{font-family:Archivo Black;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/archivo-black-latin-ext-400-normal.DQAASfvW.woff2) format("woff2"),url(/_astro/archivo-black-latin-ext-400-normal.-j5WRK12.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:Archivo Black;font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/archivo-black-latin-400-normal.woff2) format("woff2");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:Space Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/space-mono-vietnamese-400-normal.BNOj0Qhp.woff2) format("woff2"),url(/_astro/space-mono-vietnamese-400-normal.B0PMp_xB.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:Space Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/space-mono-latin-ext-400-normal.DTLbW2xa.woff2) format("woff2"),url(/_astro/space-mono-latin-ext-400-normal.D4cJI_B-.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:Space Mono;font-style:normal;font-display:swap;font-weight:400;src:url(/fonts/space-mono-latin-400-normal.woff2) format("woff2");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:Space Mono;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/space-mono-vietnamese-700-normal.DWQgDHuA.woff2) format("woff2"),url(/_astro/space-mono-vietnamese-700-normal.D-KrLuLr.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:Space Mono;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/space-mono-latin-ext-700-normal.B2s3bDs2.woff2) format("woff2"),url(/_astro/space-mono-latin-ext-700-normal.B_E7P90g.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:Space Mono;font-style:normal;font-display:swap;font-weight:700;src:url(/fonts/space-mono-latin-700-normal.woff2) format("woff2");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}:root{--ink:#0a0a0a;--paper:#f4f2ec;--white:#fff;--pink:#ff7a9c;--lime:#c6f04a;--violet:#6b4cf6;--grey:#e9e9e4;--amber:#ffb34d;--blue:#6ec1ff;--green:#3fd68f;--sh:5px 5px 0 var(--ink);--sh-s:3px 3px 0 var(--ink);--bd:3px solid var(--ink);--head:"Archivo Black",Impact,sans-serif;--mono:"Space Mono",ui-monospace,monospace}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);font:400 14px/1.55 var(--mono);padding:14px;-webkit-font-smoothing:antialiased}.page{max-width:1180px;margin:0 auto;border:4px solid var(--ink);box-shadow:8px 8px 0 var(--ink);background:var(--white);overflow:hidden}h1,h2,h3,h4{font-family:var(--head);font-weight:400;text-transform:uppercase;letter-spacing:-.01em;line-height:1.02}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}:focus-visible{outline:3px dashed var(--violet);outline-offset:3px}.grid-bg{background-color:var(--white);background-image:linear-gradient(rgba(10,10,10,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(10,10,10,.14) 1px,transparent 1px);background-size:24px 24px}.grid-bg-v{background-color:var(--violet);background-image:linear-gradient(rgba(255,255,255,.16) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.16) 1px,transparent 1px);background-size:24px 24px}.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 16px;border:var(--bd);background:var(--white);box-shadow:var(--sh-s);font:700 12px/1 var(--mono);text-transform:uppercase;letter-spacing:.04em;transition:transform .12s ease,box-shadow .12s ease,background .15s;position:relative}.btn svg{width:14px;height:14px;transition:transform .2s}.btn:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}.btn:hover svg{transform:translate(3px)}.btn:active{transform:translate(3px,3px);box-shadow:0 0 0 var(--ink)}.btn.lime{background:var(--lime)}.btn.pink{background:var(--pink)}.btn.violet{background:var(--violet);color:#fff}.btn.sq{padding:0;width:38px;height:38px;justify-content:center}.btn.sq:hover svg{transform:none}.nav{display:grid;grid-template-columns:auto 1fr auto;border-bottom:var(--bd);background:var(--white);position:sticky;top:0;z-index:20}.logo{background:var(--lime);padding:14px 20px;font:700 13px/1 var(--mono);text-transform:uppercase;border-right:var(--bd);display:flex;align-items:center;gap:8px;transition:background .2s}.logo:hover{background:var(--pink)}.nav-links{display:flex;justify-content:center;align-items:center;gap:30px}.nav-links a{font:700 11px/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;position:relative;padding:6px 0}.nav-links a:after{content:"";position:absolute;left:0;bottom:-1px;height:3px;width:0;background:var(--violet);transition:width .2s}.nav-links a:hover:after,.nav-links a.on:after{width:100%}.cta{background:var(--violet);color:#fff;padding:0 24px;display:flex;align-items:center;gap:8px;border-left:var(--bd);font:700 11px/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;transition:background .2s}.cta:hover{background:var(--ink)}.cta svg{width:14px;transition:transform .2s}.cta:hover svg{transform:translate(4px)}.burger{display:none}.hero{display:grid;grid-template-columns:1fr 1fr;border-bottom:var(--bd)}.hero-l{padding:36px 34px 32px}.tag{display:inline-block;background:var(--violet);color:#fff;font:700 11px/1 var(--mono);padding:7px 10px;text-transform:uppercase;letter-spacing:.04em}.hero h1{font-size:clamp(40px,5.6vw,72px);margin:20px 0 16px}.hero p.lead{max-width:44ch;margin-bottom:22px;font-size:14px}.row{display:flex;gap:12px;flex-wrap:wrap}.meta{margin-top:24px}.meta small{display:block;font:700 10px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}.hero-r{background:var(--pink);border-left:var(--bd);position:relative;min-height:420px;display:grid;place-items:center;padding:30px}.frame{position:relative;width:min(340px,86%);aspect-ratio:3/4}.frame:before{content:"";position:absolute;inset:-14px 14px 14px -14px;background:var(--lime);border:var(--bd);z-index:0;transition:inset .25s}.frame:hover:before{inset:-20px 20px 20px -20px}.frame .art{position:absolute;inset:0;border:var(--bd);background:#1b1530;overflow:hidden;z-index:1}.codecard{position:absolute;right:-26px;bottom:-26px;z-index:2;width:78%;background:var(--violet);color:#fff;border:var(--bd);box-shadow:var(--sh);padding:12px 14px;font:400 11.5px/1.6 var(--mono);transition:transform .2s}.codecard:hover{transform:translate(-3px,-3px) rotate(-1deg)}.codecard b{color:var(--lime);font-weight:700}.codecard i{font-style:normal;color:#ffd0e0}.hero-r .star{position:absolute;left:18px;top:18px;width:74px;height:74px;animation:spin 14s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.files span{position:absolute;font:700 10.5px/1 var(--mono);background:#fff;color:var(--ink);border:2px solid var(--ink);padding:5px 7px;box-shadow:2px 2px 0 var(--ink);white-space:nowrap;animation:bob 3.4s ease-in-out infinite}@keyframes bob{50%{transform:translateY(-5px)}}.strip{display:grid;grid-template-columns:150px repeat(6,1fr);border-bottom:var(--bd);background:var(--grey)}.strip .lab{background:var(--violet);color:#fff;padding:20px;border-right:var(--bd);font:var(--head);font-family:var(--head);font-size:22px;text-transform:uppercase;display:flex;flex-direction:column;justify-content:space-between;gap:10px}.strip .it{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:18px 6px;font:700 10.5px/1.2 var(--mono);text-align:center;transition:background .2s,transform .2s;cursor:default}.strip .it:hover{background:var(--lime)}.strip .it svg{width:32px;height:32px;transition:transform .25s}.strip .it:hover svg{transform:scale(1.18) rotate(-6deg)}.mrow{display:grid;grid-template-columns:1fr 340px;border-bottom:var(--bd)}.proj{padding:26px 28px;background:var(--white)}.sec-h{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;flex-wrap:wrap}.sec-h h2{font-size:21px}.slides{position:relative;border:var(--bd);box-shadow:var(--sh);background:var(--white);overflow:hidden}.track{display:flex;transition:transform .5s cubic-bezier(.7,0,.2,1)}.slide{min-width:100%}.slide .pic{background:var(--pink);padding:14px;border-bottom:var(--bd)}.slide .pic>div{border:var(--bd);background:var(--paper);height:230px;display:grid;place-items:center;overflow:hidden}.slide .pic svg{width:100%;height:100%}.slide .body{padding:16px 18px 18px}.slide h3{font-size:17px;margin-bottom:6px}.chips{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0 14px}.chip{border:2px solid var(--ink);padding:3px 8px;font:700 10.5px/1.2 var(--mono);box-shadow:2px 2px 0 var(--ink);background:var(--white)}.dots{display:flex;justify-content:center;gap:8px;margin-top:16px}.dot{width:12px;height:12px;border-radius:50%;border:2px solid var(--ink);background:var(--white);transition:background .2s,transform .2s}.dot:hover{transform:scale(1.3)}.dot.on{background:var(--ink)}.certs{background:var(--lime);border-left:var(--bd);padding:26px 22px;display:flex;flex-direction:column;gap:14px}.certs h2{font-size:19px}.flip{perspective:900px;height:112px;cursor:pointer}.flip>div{position:relative;width:100%;height:100%;transition:transform .5s cubic-bezier(.3,1.3,.5,1);transform-style:preserve-3d}.flip.on>div,.flip:hover>div{transform:rotateY(180deg)}.flip .f,.flip .b{position:absolute;inset:0;backface-visibility:hidden;border:var(--bd);box-shadow:var(--sh);display:flex;flex-direction:column;justify-content:center;padding:12px 14px}.flip .f{background:var(--grey);align-items:center;font:var(--head);font-family:var(--head);font-size:26px;text-transform:uppercase;text-align:center}.flip .f small{font:700 10px/1 var(--mono);margin-top:6px;letter-spacing:.06em;opacity:.7}.flip .b{background:var(--white);transform:rotateY(180deg);font-size:12px;line-height:1.45}.flip .b b{font-family:var(--head);font-weight:400;text-transform:uppercase;font-size:13px;display:block;margin-bottom:4px}.hint{font:700 10px/1.3 var(--mono);text-transform:uppercase;letter-spacing:.06em}.sbx{display:grid;grid-template-columns:1.1fr 1fr;border-bottom:var(--bd)}.sb-l{padding:26px 28px;background:var(--white)}.sb-r{background:var(--violet);color:#fff;border-left:var(--bd);padding:26px 24px;position:relative}.doc{border:var(--bd);box-shadow:var(--sh);background:var(--white);margin:14px 0}.doc .t{background:var(--ink);color:var(--lime);padding:7px 12px;font:700 11px/1 var(--mono);display:flex;justify-content:space-between}.doc textarea{width:100%;border:0;padding:12px;font:400 13px/1.55 var(--mono);resize:none;height:92px;background:var(--paper);display:block}.doc textarea:focus{outline:none;background:#fffbe0}.log{display:flex;flex-direction:column;gap:8px;margin-top:6px;max-height:210px;overflow:auto;padding-right:4px}.cm{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;background:#fff;color:var(--ink);border:var(--bd);box-shadow:3px 3px 0 var(--ink);padding:8px 10px;animation:pop .35s cubic-bezier(.3,1.6,.5,1);cursor:pointer;transition:transform .15s,background .15s}.cm:hover{transform:translate(-2px,-2px);background:var(--lime)}.cm .sha{font:700 11px/1 var(--mono);background:var(--ink);color:var(--lime);padding:4px 6px}.cm .msg{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cm .ago{font-size:10px;opacity:.6}.cm.sel{background:var(--pink)}@keyframes pop{0%{transform:scale(.6) translateY(10px);opacity:0}}.empty{border:3px dashed #fff;padding:16px;text-align:center;font-size:12px}.sb-r h2{font-size:20px;margin-bottom:6px}.viewer{background:#fff;color:var(--ink);border:var(--bd);box-shadow:var(--sh);margin-top:12px;padding:12px;font-size:12.5px;white-space:pre-wrap;min-height:84px}.say{margin-top:12px;background:var(--lime);color:var(--ink);border:var(--bd);padding:10px 12px;font-size:12px;box-shadow:var(--sh-s)}.brow{display:grid;grid-template-columns:200px 1fr 340px;border-bottom:var(--bd)}.exp-l{background:var(--pink);border-right:var(--bd);padding:26px 22px;display:flex;flex-direction:column;justify-content:center;gap:12px}.exp-l h2{font-size:22px}.tl{padding:26px 28px;position:relative;background:var(--white)}.tl:before{content:"";position:absolute;left:36px;top:46px;bottom:70px;width:3px;background:var(--ink)}.ev{position:relative;padding-left:34px;margin-bottom:20px;transition:transform .2s}.ev:hover{transform:translate(5px)}.ev:before{content:"";position:absolute;left:3px;top:4px;width:15px;height:15px;border-radius:50%;background:var(--ink);border:3px solid var(--white);outline:3px solid var(--ink);transition:background .2s}.ev:hover:before{background:var(--pink)}.ev h3{font-size:14px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}.ev h3 em{font:700 11px/1.4 var(--mono);font-style:normal}.ev p{font-size:12px;margin-top:4px}.ev h3 b{color:var(--violet)}.go{padding:26px 24px;color:#fff;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;gap:16px;min-height:300px}.go h2{font-size:26px}.go .burst{position:absolute;right:-26px;bottom:-26px;width:130px;transition:transform .6s}.go:hover .burst{transform:rotate(30deg) scale(1.1)}.qrow{display:grid;grid-template-columns:1fr 1fr;border-bottom:var(--bd)}.recap{padding:26px 28px;background:var(--lime);border-right:var(--bd)}.recap ol{margin-top:14px;display:flex;flex-direction:column;gap:12px;list-style:none;counter-reset:r}.recap li{counter-increment:r;display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:start;background:var(--white);border:var(--bd);box-shadow:var(--sh-s);padding:10px 12px;transition:transform .15s}.recap li:hover{transform:translate(-2px,-2px)}.recap li:before{content:counter(r);font:var(--head);font-family:var(--head);background:var(--ink);color:var(--lime);width:30px;height:30px;display:grid;place-items:center}.quiz{padding:26px 28px;background:var(--white)}.opts{display:grid;gap:10px;margin:14px 0}.opt{text-align:left;border:var(--bd);background:var(--white);padding:11px 14px;box-shadow:var(--sh-s);font-size:12.5px;transition:transform .12s,box-shadow .12s,background .15s;display:flex;gap:10px;align-items:center}.opt:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}.opt:active{transform:translate(3px,3px);box-shadow:none}.opt.ok{background:var(--lime);animation:hop .45s}.opt.no{background:var(--pink);animation:shake .4s}@keyframes hop{40%{transform:translateY(-8px)}}@keyframes shake{25%{transform:translate(-6px)}75%{transform:translate(6px)}}.opt b{font-family:var(--head);font-weight:400;width:26px;height:26px;background:var(--ink);color:#fff;display:grid;place-items:center;flex:none}.fb{min-height:44px;font-weight:700;font-size:12px;border:3px dashed var(--ink);padding:10px;margin-top:8px}.prog{display:flex;gap:6px;margin-top:12px}.prog i{flex:1;height:10px;border:2px solid var(--ink);background:var(--white);transition:background .3s}.prog i.d{background:var(--violet)}.foot{display:grid;grid-template-columns:auto 1fr auto}.foot .logo{border-bottom:0}.foot .c{display:flex;align-items:center;justify-content:center;padding:14px;font:700 11px/1.4 var(--mono);text-align:center}.soc{display:flex;border-left:var(--bd)}.soc a{width:50px;display:grid;place-items:center;transition:background .2s}.soc a:hover{background:var(--pink)}.soc svg{width:18px;height:18px}.toast{position:fixed;left:50%;bottom:20px;transform:translate(-50%,120px);background:var(--ink);color:var(--lime);padding:10px 16px;border:3px solid var(--lime);font:700 12px var(--mono);z-index:50;transition:transform .35s cubic-bezier(.3,1.5,.5,1)}.toast.show{transform:translate(-50%)}.confetti{position:fixed;width:10px;height:10px;border:2px solid var(--ink);z-index:60;pointer-events:none;animation:fall 1.1s ease-out forwards}@keyframes fall{to{transform:translate(var(--dx),var(--dy)) rotate(540deg);opacity:0}}.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s,transform .5s}.reveal.in{opacity:1;transform:none}@media(max-width:900px){.nav{grid-template-columns:1fr auto auto}.nav-links{display:none}.burger{display:grid;place-items:center;width:52px;border-left:var(--bd);background:var(--pink)}.nav.open .nav-links{display:flex;position:absolute;top:100%;left:0;right:0;background:var(--white);border-bottom:var(--bd);flex-direction:column;padding:16px;gap:16px;align-items:flex-start}.cta{padding:0 14px}.hero,.mrow,.sbx,.brow,.qrow{grid-template-columns:1fr}.hero-r{border-left:0;border-top:var(--bd);min-height:420px}.hero-l{padding:26px 20px}.strip{grid-template-columns:repeat(3,1fr)}.strip .lab{grid-column:1/-1;flex-direction:row;align-items:center;border-right:0;border-bottom:var(--bd)}.strip .it{border-bottom:2px solid var(--ink)}.certs,.sb-r{border-left:0;border-top:var(--bd)}.exp-l,.recap{border-right:0;border-bottom:var(--bd)}.proj,.sb-l,.sb-r,.tl,.quiz,.recap{padding:22px 18px}.foot{grid-template-columns:1fr}.foot .logo{border-right:0;border-bottom:var(--bd)}.soc{border-left:0;border-top:var(--bd);justify-content:center}.soc a{height:48px}.codecard{right:-10px;bottom:-34px;width:84%}body{padding:8px}.page{box-shadow:5px 5px 0 var(--ink)}.slide .pic>div{height:190px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}.strip .lab{font-size:19px;line-height:1.05}.strip .lab svg{width:30px;height:30px}.hero>*,.mrow>*,.sbx>*,.brow>*,.qrow>*,.proj,.slides,.certs{min-width:0}@media(max-width:900px){.hero,.mrow,.sbx,.brow,.qrow{grid-template-columns:minmax(0,1fr)}.frame{width:min(300px,78%)}.hero-r{padding:30px 30px 56px}.codecard{right:-14px}.hero h1{font-size:44px}.strip .lab{font-size:18px}.certs .flip{height:96px}.go{min-height:260px}}.nav-links a .nd{display:none;position:absolute;top:calc(100% + 14px);left:50%;transform:translate(-50%);width:230px;background:var(--lime);border:var(--bd);box-shadow:var(--sh-s);padding:10px 12px;text-transform:none;letter-spacing:0;z-index:30;text-align:left}.nav-links a .nd i{display:block;font:700 9px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;font-style:normal}.nav-links a .nd b{display:block;font:var(--head);font-family:var(--head);font-size:14px;line-height:1.1;text-transform:uppercase;margin-bottom:4px}.nav-links a .nd em{display:block;font:400 11px/1.4 var(--mono);font-style:normal}@media(hover:hover)and (min-width:901px){.nav-links a:hover .nd,.nav-links a:focus-visible .nd{display:block;animation:ndin .15s ease-out}}@keyframes ndin{0%{opacity:0;transform:translate(-50%,6px)}to{opacity:1;transform:translate(-50%)}}@media(max-width:900px){.nav.open .nav-links a{display:grid;grid-template-columns:34px 1fr;gap:10px;align-items:start;width:100%}.nav.open .nav-links a .nn{background:var(--ink);color:var(--lime);display:grid;place-items:center;height:28px;font-size:11px}.nav.open .nav-links a .nd{display:block;position:static;transform:none;width:auto;background:none;border:0;box-shadow:none;padding:0}.nav.open .nav-links a .nd i{display:none}.nav.open .nav-links a .nd b{font-size:13px;margin:0}.nav.open .nav-links a .nd em{font-size:11px}.nav.open .nav-links a:after{display:none}}.log{padding:4px 8px 6px 4px;margin-top:8px}.log>*{flex-shrink:0}.cm{min-height:38px}.cm .ago{white-space:nowrap}.log{max-height:250px}.nav-links a:not(.on){opacity:.85}.nav-links{gap:16px;flex-wrap:wrap}.nav-links a[href^="/ch"],.nav-links a[href="/"]{font-size:11px}.chfoot{display:grid;grid-template-columns:1fr 1fr;border-top:var(--bd)}.chfoot .pn{padding:18px 20px;display:flex;flex-direction:column;gap:6px;background:var(--white);transition:background .2s,transform .2s}.chfoot .pn+.pn{border-left:var(--bd)}.chfoot .nx{background:var(--lime);text-align:right}.chfoot .pn:hover{background:var(--pink)}.chfoot .pn small{font:700 10px/1 var(--mono);text-transform:uppercase;letter-spacing:.08em}.chfoot .pn b{font:400 17px/1.1 var(--head);text-transform:uppercase}@media(max-width:900px){.nav .cta{padding:0 14px}.chfoot .pn b{font-size:14px}}.lab-hero{display:grid;grid-template-columns:1fr auto;border-bottom:var(--bd)}.lab-hero .l{padding:16px 22px 14px}.lab-hero h1{font-size:clamp(24px,3.2vw,38px);margin:10px 0 6px}.lab-hero .lead{font-size:12.5px;max-width:58ch}.lab-hero .r{background:var(--pink);border-left:var(--bd);padding:14px;display:grid;gap:7px;align-content:center;min-width:300px}.stat{display:flex;align-items:center;gap:10px;background:var(--white);border:var(--bd);box-shadow:var(--sh-s);padding:6px 10px;font:700 10px/1.3 var(--mono);text-transform:uppercase}.stat b{font:400 20px/1 var(--head);min-width:40px}.lab{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);border-bottom:var(--bd)}.lab>*{min-width:0}.mission{border-bottom:var(--bd);background:var(--lime);padding:16px 18px;grid-column:1/-1;display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center}.mission .n{font:400 34px/1 var(--head);background:var(--ink);color:var(--lime);padding:8px 12px;min-width:58px;text-align:center}.mission h3{font-size:18px;margin-bottom:4px}.mission p{font-size:13px;max-width:70ch}.mission code,.step-note code,.hintbox code{background:var(--ink);color:var(--lime);padding:1px 6px;font-weight:700}.sdots{display:flex;gap:5px;margin-top:8px;flex-wrap:wrap}.sdots i{width:22px;height:8px;border:2px solid var(--ink);background:var(--white);transition:background .25s,transform .25s}.sdots i.on{background:var(--violet)}.sdots i.cur{background:var(--pink);transform:scaleY(1.35)}.term-wrap{border-right:var(--bd);background:#12101c;display:flex;flex-direction:column}.term-bar{display:flex;align-items:center;gap:7px;padding:9px 12px;border-bottom:3px solid var(--ink);background:var(--violet);color:#fff;font:700 11px/1 var(--mono);text-transform:uppercase}.term-bar i{width:11px;height:11px;border-radius:50%;border:2px solid var(--ink);display:inline-block}.term-bar i:nth-child(1){background:var(--pink)}.term-bar i:nth-child(2){background:var(--amber)}.term-bar i:nth-child(3){background:var(--lime)}.term-bar span{margin-left:6px}.term-bar button{margin-left:auto;background:var(--white);color:var(--ink);border:2px solid var(--ink);padding:5px 9px;font:700 10px/1 var(--mono);text-transform:uppercase;transition:transform .15s,box-shadow .15s}.term-bar button:hover{transform:translate(-1px,-1px);box-shadow:2px 2px 0 var(--ink)}.term-bar button:active{transform:translate(1px,1px);box-shadow:none}.term{flex:1;overflow:auto;padding:14px;font:400 12.5px/1.55 var(--mono);color:#e9e6f5;flex:1 1 0;min-height:220px;overscroll-behavior:contain}.term .ln{white-space:pre-wrap;word-break:break-word;animation:ln .18s ease-out both}@keyframes ln{0%{opacity:0;transform:translateY(4px)}}.term .cmd{color:#fff}.term .cmd .p{color:var(--lime);font-weight:700}.term .cmd .b{color:var(--pink)}.term .err{color:#ff9db3}.term .info{color:#b9a8ff}.term .add{color:var(--lime)}.term .mod{color:var(--amber)}.term .untr{color:var(--pink)}.term .plus{color:var(--lime)}.term .minus{color:#ff9db3}.term .hunk{color:var(--blue)}.term .log{color:var(--amber)}.term .sys{color:#8f89a8}.inrow{display:flex;align-items:center;gap:8px;border-top:3px solid var(--ink);background:#0a0912;padding:6px 10px}.inrow label{font:700 12px/1 var(--mono);color:var(--lime);white-space:nowrap;max-width:44%;overflow:hidden;text-overflow:ellipsis}.inrow input::placeholder{color:#6f6a88}.inrow input{flex:1;min-width:0;background:none;border:0;outline:0;color:#fff;font:400 16px/1.2 var(--mono);padding:10px 0;caret-color:var(--lime)}.inrow .runbtn{background:var(--lime);color:var(--ink);border:2px solid var(--ink);padding:8px 12px;font:700 11px/1 var(--mono);text-transform:uppercase;transition:transform .15s}.inrow .runbtn:active{transform:scale(.94)}.tchips{display:flex;gap:7px;flex-wrap:wrap;padding:10px 12px;background:#1b1830;border-top:3px solid var(--ink)}.tchips small{width:100%;font:700 10px/1 var(--mono);text-transform:uppercase;letter-spacing:.07em;color:#b9a8ff}.chip2{background:var(--white);color:var(--ink);border:2px solid var(--ink);box-shadow:2px 2px 0 var(--lime);padding:7px 10px;font:700 11.5px/1 var(--mono);transition:transform .15s,box-shadow .15s,background .15s;min-height:34px}.chip2:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--lime);background:var(--lime)}.chip2:active{transform:translate(2px,2px);box-shadow:0 0 0 var(--lime)}.side{display:flex;flex-direction:column;min-width:0}.panel{padding:16px;border-bottom:var(--bd)}.panel:last-child{border-bottom:0}.panel h4{font-size:15px;display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}.panel h4 span{font:700 10px/1 var(--mono);background:var(--ink);color:#fff;padding:4px 6px;text-transform:uppercase}.areas{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.area{border:var(--bd);background:var(--white);min-height:150px;position:relative;box-shadow:var(--sh-s)}.area header{padding:7px 8px;border-bottom:3px solid var(--ink);font:700 10px/1.2 var(--mono);text-transform:uppercase}.area.w header{background:var(--amber)}.area.s header{background:var(--blue)}.area.r header{background:var(--lime)}.area .bd{padding:7px;display:flex;flex-direction:column;gap:6px}.area .empty{font:400 10.5px/1.4 var(--mono);opacity:.55;padding:4px}.fc{border:2px solid var(--ink);background:var(--paper);padding:5px 6px;font:700 10.5px/1.25 var(--mono);display:flex;justify-content:space-between;gap:4px;align-items:center;animation:pop .3s cubic-bezier(.3,1.6,.5,1) both;word-break:break-all}.fc em{font-style:normal;font-weight:400;font-size:9px;text-transform:uppercase;border:1.5px solid var(--ink);padding:1px 3px;background:var(--white);white-space:nowrap}.fc.untracked{background:#ffd0e0}.fc.modified,.fc.staged\+modified,.fc.added\+modified{background:#ffe3b5}.fc.staged,.fc.staged-new{background:#cfe9ff}.fc.deleted{background:#eee;text-decoration:line-through}.fc.cm{background:#e7f8b0}@keyframes pop{0%{transform:scale(.6) translateY(-6px);opacity:0}}.arrowrow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:8px;font:700 9.5px/1.3 var(--mono);text-transform:uppercase;text-align:center}.arrowrow span{background:var(--ink);color:#fff;padding:5px 3px}.graph{border:var(--bd);background:var(--white);overflow-x:auto;box-shadow:var(--sh-s);background-image:linear-gradient(rgba(10,10,10,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(10,10,10,.1) 1px,transparent 1px);background-size:20px 20px}.graph svg{display:block;min-width:100%}.gnode{animation:pop .4s cubic-bezier(.3,1.6,.5,1) both;transform-box:fill-box;transform-origin:center}.tree{font:400 12px/1.7 var(--mono);border:var(--bd);background:var(--paper);padding:8px 10px;max-height:150px;overflow:auto}.tree div{white-space:nowrap}.tree .d{font-weight:700}.tree .h{opacity:.55}.hintbox{margin-top:10px;border:3px dashed var(--ink);background:var(--white);padding:10px 12px;font-size:12.5px;display:none}.hintbox.show{display:block;animation:ln .2s both}.step-note{padding:10px 14px;border-top:3px solid var(--ink);background:var(--white);font-size:12.5px;display:none}.step-note.show{display:block;animation:ln .2s both}.win{position:fixed;inset:auto 14px 14px auto;background:var(--lime);border:var(--bd);box-shadow:var(--sh);padding:12px 16px;font:700 12px/1.3 var(--mono);text-transform:uppercase;z-index:60;transform:translateY(140%);transition:transform .35s cubic-bezier(.3,1.5,.5,1)}.win.show{transform:none}.crumbs{display:flex;gap:10px;align-items:center;font:700 10.5px/1 var(--mono);text-transform:uppercase;padding:10px 18px;border-bottom:var(--bd);background:var(--grey)}.crumbs a{text-decoration:underline}.proto{position:fixed;left:14px;bottom:14px;background:var(--pink);border:var(--bd);box-shadow:var(--sh-s);padding:6px 10px;font:700 10px/1 var(--mono);text-transform:uppercase;z-index:50}@media(max-width:860px){.lab-hero,.lab{grid-template-columns:minmax(0,1fr)}.lab-hero .r{border-left:0;border-top:var(--bd);min-width:0;grid-template-columns:repeat(3,minmax(0,1fr))}.stat{flex-direction:column;align-items:flex-start;gap:4px;font-size:9px}.term-wrap{border-right:0;border-bottom:var(--bd)}.mission{grid-template-columns:auto 1fr}.mission .btn{grid-column:1/-1;justify-self:start}.areas{grid-template-columns:minmax(0,1fr)}.area{min-height:0}.arrowrow{grid-template-columns:minmax(0,1fr)}.term{flex:none;height:300px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}.lab.solo{grid-template-columns:minmax(0,1fr)}.lab.solo .term-wrap{border-right:0}.lab.solo .tl-hint{margin:0;border-top:0}.hb-wide{grid-column:1/-1;margin:0!important;border-width:0 0 3px 0!important;border-style:solid!important;background:var(--white)}.hb-wide.show{display:block}.nav-links a.done .nn:after{content:" ✓";color:#1a8a4a}.nav-links a.seen .nn:after{content:" ·";color:var(--violet)}.card.done{background:var(--lime)}a.card{position:relative}a.card.done:after{content:"DONE ✓";position:absolute;right:12px;top:12px;background:var(--ink);color:var(--lime);font:700 10px/1 var(--mono);padding:6px 8px;letter-spacing:.06em}.card.seen .num{background:var(--violet)}.chfoot .pn.done b:after{content:" ✓"}.progbox{margin-top:16px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;font:700 12px var(--mono);text-transform:uppercase}.pbar{flex:1 1 140px;max-width:260px;height:14px;border:var(--bd);background:var(--white);box-shadow:var(--sh-s);position:relative}.pbar i{position:absolute;inset:0;width:var(--p,0%);background:var(--lime);transition:width .6s cubic-bezier(.3,1.4,.5,1)}.linkbtn{font:700 11px var(--mono);text-transform:uppercase;text-decoration:underline;background:none;border:0;padding:8px 4px;color:inherit;cursor:pointer}.gv-stamp{position:fixed;left:50%;top:38%;z-index:100;transform:translate(-50%,-50%) rotate(-6deg);background:var(--lime);border:var(--bd);box-shadow:8px 8px 0 var(--ink);padding:18px 28px;text-align:center;animation:stampin .5s cubic-bezier(.2,1.6,.4,1),stampout .4s 2.1s forwards;pointer-events:none}.gv-stamp b{display:block;font:400 28px/1 var(--head)}.gv-stamp span{font:700 14px var(--mono);letter-spacing:.1em}@keyframes stampin{0%{transform:translate(-50%,-50%) rotate(-6deg) scale(2.2);opacity:0}to{transform:translate(-50%,-50%) rotate(-6deg) scale(1);opacity:1}}@keyframes stampout{to{opacity:0;transform:translate(-50%,-60%) rotate(-6deg)}}.q-opts>.btn,#opts>.btn{justify-self:start;width:auto;display:inline-flex;margin-top:4px}:focus-visible{outline:3px solid var(--ink);outline-offset:3px;box-shadow:0 0 0 6px var(--lime)}.term-wrap :focus-visible,.nav :focus-visible{outline-offset:-3px;box-shadow:none}.sh-nav{width:104px!important}.sh-nav p{text-overflow:ellipsis}.gn-side p{text-overflow:ellipsis;overflow:hidden;white-space:nowrap}.vimv{font-size:9px!important}.steps a,.sub a[href^=http]{display:inline-block;padding:8px 0}@media(pointer:coarse),(max-width:700px){.tl-reset,.term-bar button{min-height:40px;min-width:64px;padding:0 14px}.inrow .runbtn,.runbtn{min-height:44px;min-width:64px}.chip2,.tl-chips button,.tchips button{min-height:40px}.dot{position:relative;margin:0 6px}.dot:after{content:"";position:absolute;inset:-14px}.hint{font-size:11px}.wiz-nav button,.btn{min-height:44px}.steps a,.sub a[href^=http]{padding:12px 0}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.confetti{display:none!important}}.scrubwrap{margin-top:12px;padding:12px 14px;background:var(--white);color:var(--ink);border:var(--bd);box-shadow:var(--sh-s)}.scrubwrap[hidden]{display:none}.scrubwrap label{display:block;font:700 11px var(--mono);text-transform:uppercase;margin-bottom:8px}.scrubwrap input[type=range]{width:100%;height:34px;accent-color:var(--violet);cursor:grab}.scrubticks{display:flex;justify-content:space-between;padding:0 8px;margin-top:2px}.scrubticks i{width:10px;height:10px;border:2px solid var(--ink);border-radius:50%;background:var(--white)}.scrubticks i.on{background:var(--pink);transform:scale(1.3)}.viewer .vl{white-space:pre-wrap}.viewer .vadd{background:#d8f58a;animation:vflash .6s}.viewer .vdel{background:#ffc2d1;text-decoration:line-through}@keyframes vflash{0%{background:var(--lime);transform:translate(-6px)}}.vg{margin-top:14px;border:var(--bd);background:var(--white);box-shadow:var(--sh)}.vg-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 14px;background:var(--violet);color:#fff;border-bottom:var(--bd);font:700 12px var(--mono);text-transform:uppercase}.vg-goals{display:flex;gap:8px}.vg-goals i{font-style:normal;border:2px solid var(--ink);background:var(--white);color:var(--ink);padding:4px 8px;font-size:10px}.vg-goals i.ok{background:var(--lime)}.vg-goals i.ok:before{content:"✓"}.vg-scr{background:#1a1a1a;color:#e8e8e8;font:13px/1.45 Menlo,Consolas,DejaVu Sans Mono,monospace;padding:12px 14px;min-height:210px;position:relative;cursor:text;outline-offset:-4px}.vg-scr:focus{box-shadow:inset 0 0 0 3px var(--lime)}.vg-h{color:#7fa8ff}.vg-fill{color:#6b6bff;margin-top:4px}.vg-st{position:absolute;left:14px;right:14px;bottom:10px;color:#fff;font-weight:700}.vg-cur{background:#e8e8e8;color:#1a1a1a;animation:vgb 1s steps(2) infinite}@keyframes vgb{50%{opacity:0}}.vg-scr.shake{animation:vgs .3s}@keyframes vgs{25%{transform:translate(-5px)}75%{transform:translate(5px)}}.vg-msg{padding:12px 14px;border-top:var(--bd);background:var(--paper);font-size:13px;min-height:50px}.vg.won .vg-msg{background:var(--lime);font-weight:700}.vg-keys{display:flex;gap:10px;flex-wrap:wrap;padding:12px 14px;border-top:var(--bd)}.vg-keys button{min-height:48px;padding:0 14px;border:var(--bd);background:var(--white);box-shadow:var(--sh-s);font:700 14px var(--mono);display:flex;flex-direction:column;justify-content:center;align-items:flex-start;line-height:1.1;transition:transform .12s,box-shadow .12s}.vg-keys button small{font-size:9px;font-weight:400;text-transform:uppercase}.vg-keys button:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}.vg-keys button:active{transform:translate(3px,3px);box-shadow:none}.vg-keys .vg-r{margin-left:auto;background:var(--pink)}.vg-form{padding:0 14px 14px}.vg-form[hidden]{display:none}.vg-form label{font:700 11px var(--mono);text-transform:uppercase}.vg-form input{display:block;width:100%;min-height:46px;margin-top:6px;padding:10px 12px;border:var(--bd);font:700 14px var(--mono);text-transform:none}.tl-root{position:relative}.tl-cstamp{position:absolute;right:30px;top:auto;bottom:34px;z-index:30;background:var(--lime);border:var(--bd);box-shadow:6px 6px 0 var(--ink);padding:10px 16px;text-align:center;transform:rotate(5deg);pointer-events:none;animation:cstin .45s cubic-bezier(.2,1.7,.4,1),cstout .35s 1.85s forwards}.tl-cstamp small{display:block;font:700 9px var(--mono);letter-spacing:.12em}.tl-cstamp b{display:block;font:400 24px/1.1 var(--head)}.tl-cstamp span{font:700 11px var(--mono)}@keyframes cstin{0%{transform:rotate(5deg) scale(2.4);opacity:0}}@keyframes cstout{to{opacity:0;transform:rotate(5deg) translateY(-14px)}}@media(max-width:900px){.tl-cstamp{top:auto;bottom:130px;right:12px}}.rs{border:var(--bd);box-shadow:6px 6px 0 var(--ink);background:#fff;padding:14px;margin-top:12px}.rs-top{display:flex;gap:10px;flex-wrap:wrap;align-items:baseline;margin-bottom:10px}.rs-top b{font:400 16px var(--head)}.rs-top span{font:700 11px var(--mono)}.rs-strip{display:flex;gap:8px;overflow-x:auto;padding:4px 4px 12px;scroll-snap-type:x proximity}.rs-f{flex:0 0 140px;scroll-snap-align:center;text-align:left;border:var(--bd);background:var(--grey);padding:8px 10px;cursor:pointer;font-family:var(--mono);box-shadow:3px 3px 0 var(--ink);transition:transform .15s,background .15s;min-height:44px}.rs-f small{display:block;font-size:10px;opacity:.7}.rs-f b{display:block;font-size:12px;margin:2px 0}.rs-f span{font-size:11px}.rs-f.on{background:var(--pink);transform:translateY(-4px)}.rs-ctl{display:flex;gap:10px;align-items:center;margin:4px 0 12px}.rs-ctl label{font:700 11px var(--mono)}.rs-ctl input{flex:1;accent-color:#000;height:32px}.rs-view{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.rs-col{border:var(--bd);padding:10px;background:var(--lilac)}.rs-col h4{font:400 12px var(--head);margin:0 0 8px}.rs-log div,.rs-file,.rs-how{font:700 12px/1.5 var(--mono)}.rs-file{margin:0;white-space:pre-wrap}.rs-how code{background:#fff;padding:0 3px}.rs-col .btn{margin-top:8px}@media(max-width:900px){.rs-view{grid-template-columns:1fr}.rs-f{flex-basis:124px}}.pp{border:var(--bd);box-shadow:6px 6px 0 var(--ink);background:var(--lilac);padding:14px;margin-top:12px}.pp-lbl{font:700 10px var(--mono);letter-spacing:.08em;text-transform:uppercase;background:#fff;border:2px solid #000;display:inline-block;padding:2px 6px;margin-bottom:10px}.pp-stage{display:grid;grid-template-columns:1fr 1.1fr 1fr;gap:10px;align-items:center}.pp-node{border:var(--bd);background:#fff;padding:10px;text-align:center;box-shadow:4px 4px 0 var(--ink)}.pp-node.cloud{background:var(--pink)}.pp-node b{font:400 14px var(--head);display:block}.pp-node small{font:700 11px var(--mono)}.pp-box{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;min-height:40px;margin-top:8px}.pp-box i{font:400 14px var(--head);font-style:normal;border:2px solid #000;background:var(--lime);width:34px;height:34px;display:grid;place-items:center;animation:ppin .4s cubic-bezier(.2,1.7,.4,1)}@keyframes ppin{0%{transform:scale(0)}}.pp-road{position:relative;height:44px;border-top:3px dashed #000;border-bottom:3px dashed #000;display:grid;place-items:center;font:400 22px var(--head)}.pp-pkt{position:absolute;top:8px;left:0;width:26px;height:26px;background:var(--lime);border:2px solid #000;display:grid;place-items:center;font-size:10px;opacity:0}.pp-pkt.go{opacity:1}.pp-pkt.right{animation:ppr .9s linear forwards}.pp-pkt.left{animation:ppl .9s linear forwards}@keyframes ppr{0%{left:0}to{left:calc(100% - 26px)}}@keyframes ppl{0%{left:calc(100% - 26px)}to{left:0}}.pp-cap{font:700 13px/1.5 var(--mono);margin:12px 0 8px;min-height:40px}.pp-btns{display:flex;flex-wrap:wrap;gap:8px}.pp-btns .btn{min-height:44px}@media(max-width:700px){.pp-stage{grid-template-columns:1fr}.pp-road{height:56px;border:0;border-left:3px dashed #000;border-right:3px dashed #000;width:50px;margin:0 auto}.pp-pkt.right{animation:ppd .9s linear forwards}.pp-pkt.left{animation:ppu .9s linear forwards}.pp-pkt{left:12px}}@keyframes ppd{0%{top:0}to{top:calc(100% - 26px)}}@keyframes ppu{0%{top:calc(100% - 26px)}to{top:0}}.map-done,.done-badge,[class*=done] .badge{animation:ppin .5s cubic-bezier(.2,1.7,.4,1)}
@media(max-width:900px){.nav.open .nav-links a{grid-template-columns:40px 1fr;gap:14px;align-items:center}.nav.open .nav-links a .nn{position:relative;width:36px;height:36px;box-sizing:border-box;border:3px solid var(--ink);background:var(--white);color:var(--ink);box-shadow:3px 3px 0 var(--ink);font:700 12px/1 var(--mono);letter-spacing:0;align-self:center}.nav.open .nav-links a.on .nn{background:var(--ink);color:var(--lime)}.nav.open .nav-links a.seen .nn{background:#efe9ff}.nav.open .nav-links a.done .nn{background:var(--lime)}.nav.open .nav-links a.done .nn:after,.nav.open .nav-links a.seen .nn:after{content:"\2713";position:absolute;top:-9px;right:-9px;width:17px;height:17px;box-sizing:border-box;display:grid;place-items:center;border:2px solid var(--ink);border-radius:50%;background:var(--green);color:var(--ink);font:700 10px/1 var(--mono)}.nav.open .nav-links a.seen .nn:after{content:"";width:11px;height:11px;top:-6px;right:-6px;background:var(--violet)}}@media(max-width:900px){.nav.open .nav-links a.on .nn{box-shadow:3px 3px 0 var(--violet)}.nav.open .nav-links a.on:not(.done):not(.seen) .nn{background:var(--ink);color:var(--lime)}}
/* p0: page buttons + current-page indicator */
.nav-links{gap:20px}
.nav-links a[href="/map/"],.nav-links a[href="/cheatsheet/"],.nav-links a[href="/lab/"]{border:2px solid var(--ink);padding:7px 10px;background:var(--white);box-shadow:2px 2px 0 var(--ink);transition:transform .12s,box-shadow .12s,background .12s}
.nav-links a[href="/map/"]:hover,.nav-links a[href="/cheatsheet/"]:hover,.nav-links a[href="/lab/"]:hover{transform:translate(-1px,-1px);box-shadow:3px 3px 0 var(--ink);background:var(--lime)}
.nav-links a[href="/map/"]:active,.nav-links a[href="/cheatsheet/"]:active,.nav-links a[href="/lab/"]:active{transform:translate(1px,1px);box-shadow:0 0 0 var(--ink)}
.nav-links a[href="/map/"]:after,.nav-links a[href="/cheatsheet/"]:after,.nav-links a[href="/lab/"]:after{display:none}
.nav-links a.on{background:var(--ink);color:var(--lime);padding:7px 9px;box-shadow:2px 2px 0 var(--violet);opacity:1}
.nav-links a.on:hover{background:var(--ink)}
.nav-links a.on:after{content:"";display:block;position:absolute;left:50%;bottom:-11px;width:0;height:0;border:6px solid transparent;border-bottom-color:var(--violet);border-top:0;transform:translateX(-50%);background:none}
.nav-links a.on .nn:after{color:#5ee08a}
.nav-links a.on.done .nn:after,.nav-links a.on.seen .nn:after{color:#5ee08a}
@media(max-width:900px){
.nav.open .nav-links{gap:10px}
.nav.open .nav-links a{box-sizing:border-box;padding:8px 10px;border:3px solid transparent;margin:0;box-shadow:none;background:none}
.nav.open .nav-links a .nn{width:36px;height:36px}
.nav.open .nav-links a[href="/map/"],.nav.open .nav-links a[href="/cheatsheet/"],.nav.open .nav-links a[href="/lab/"]{display:flex;align-items:center;justify-content:space-between;background:var(--white);border:3px solid var(--ink);box-shadow:3px 3px 0 var(--ink);padding:12px 14px;font-size:12px;letter-spacing:.08em}
.nav.open .nav-links a[href="/map/"]:before,.nav.open .nav-links a[href="/cheatsheet/"]:before,.nav.open .nav-links a[href="/lab/"]:before{content:"";width:10px;height:10px;background:var(--violet);border:2px solid var(--ink);margin-right:10px;flex:none}
.nav.open .nav-links a[href="/cheatsheet/"]:before{background:var(--amber,#ffb44d)}
.nav.open .nav-links a[href="/lab/"]:before{background:var(--pink)}
.nav.open .nav-links a[href="/map/"]:after,.nav.open .nav-links a[href="/cheatsheet/"]:after,.nav.open .nav-links a[href="/lab/"]:after{display:block;position:static;content:"\2192";width:auto;height:auto;background:none;font-size:16px;margin-left:auto;transition:transform .12s}
.nav.open .nav-links a[href="/map/"]:active,.nav.open .nav-links a[href="/cheatsheet/"]:active,.nav.open .nav-links a[href="/lab/"]:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.nav.open .nav-links a.on{background:var(--lime);color:var(--ink);border:3px solid var(--ink);box-shadow:3px 3px 0 var(--ink);position:relative}
.nav.open .nav-links a.on .nn{background:var(--ink);color:var(--lime);box-shadow:3px 3px 0 var(--violet)}
.nav.open .nav-links a.on:after{display:block;content:"YOU ARE HERE";position:absolute;left:auto;right:8px;top:-11px;bottom:auto;width:auto;height:auto;border:2px solid var(--ink);background:var(--violet);color:#fff;padding:3px 6px;font:700 9px/1 var(--mono);letter-spacing:.08em;transform:none}
.nav.open .nav-links a[href="/map/"].on:after,.nav.open .nav-links a[href="/cheatsheet/"].on:after,.nav.open .nav-links a[href="/lab/"].on:after{content:"YOU ARE HERE";margin:0;font-size:9px;position:absolute}
.nav.open .nav-links a.on:before{background:var(--ink)}
}
@media(max-width:900px){.nav.open .nav-links{max-height:calc(100vh - 56px);max-height:calc(100dvh - 56px);overflow-y:auto;overscroll-behavior:contain;box-shadow:0 6px 0 var(--ink)}}
/* p2 */
.ch-hero .tag{line-height:1.5}
@media(max-width:700px){.cheatsheet-hero .art.v{min-height:0;max-height:150px;overflow:hidden}.cheatsheet-hero .art.v .cs-art{transform:scale(.55);transform-origin:50% 0;margin-bottom:-110px}}
/* gv-extras */.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:var(--lime);font:700 12px/1 var(--mono);padding:12px 14px;border:3px solid var(--lime);transition:top .15s}
.skip:focus{top:12px}
#main:focus{outline:none}
:where(a,button,summary,[tabindex]):focus-visible{outline:3px solid var(--violet);outline-offset:3px}
.card.gv-next{box-shadow:6px 6px 0 var(--pink)}
.card.gv-done{background:#f3fbe6}
.card.gv-next .num,.card.gv-seen .num{background:var(--violet);color:#fff}
.gv-resume{background:var(--violet);color:#fff;margin:0 0 0;width:max-content;max-width:100%}
.gv-resume[hidden]{display:none}
.gv-toast{position:fixed;left:50%;bottom:18px;transform:translate(-50%,30px);opacity:0;z-index:90;background:var(--lime);border:3px solid var(--ink);box-shadow:4px 4px 0 var(--ink);padding:12px 16px;font:700 12px/1.4 var(--mono);display:flex;flex-direction:column;gap:6px;width:min(92vw,360px);transition:transform .25s cubic-bezier(.2,1.4,.4,1),opacity .2s}
.gv-toast.in{transform:translate(-50%,0);opacity:1}
.gv-toast a{background:var(--ink);color:var(--lime);padding:9px 10px;text-align:center}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}
.gv-read{position:fixed;left:0;top:0;height:4px;width:100%;background:var(--violet);transform-origin:0 50%;transform:scaleX(0);z-index:60;pointer-events:none}
/* /gv-extras */