@font-face{font-family:Caveat;font-style:normal;font-display:swap;font-weight:500;src:url(/_astro/caveat-latin-500-normal.B9SDL8cy.woff2)format("woff2"),url(/_astro/caveat-latin-500-normal.Do9veZfZ.woff)format("woff")}@font-face{font-family:Caveat;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/caveat-latin-700-normal.D8_1Nw6V.woff2)format("woff2"),url(/_astro/caveat-latin-700-normal.cPyBTTZN.woff)format("woff")}@font-face{font-family:Patrick Hand;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/patrick-hand-latin-400-normal.B7HHA2Vw.woff2)format("woff2"),url(/_astro/patrick-hand-latin-400-normal.Df9_VoRQ.woff)format("woff")}@font-face{font-family:Courier Prime;font-style:normal;font-display:swap;font-weight:400;src:url(/_astro/courier-prime-latin-400-normal.BbyBr73r.woff2)format("woff2"),url(/_astro/courier-prime-latin-400-normal.BAlbUm6l.woff)format("woff")}@font-face{font-family:Courier Prime;font-style:normal;font-display:swap;font-weight:700;src:url(/_astro/courier-prime-latin-700-normal.D1YCjmaD.woff2)format("woff2"),url(/_astro/courier-prime-latin-700-normal.CVvp4Sof.woff)format("woff")}:root{--desk:#efe6d2;--paper:#fbf7ec;--paper-2:#f3ebd8;--ink:#2a2b36;--ink-2:#6a6356;--line:#c9bb9c;--rule:#466eb42b;--margin:#d654546b;--accent:#2c5bd2;--accent-ink:#fff;--hi:#ffdd309e;--shadow:#503a162e;--tape:#ecde96b8;--vignette:#8c64281f;--cat-s:64%;--cat-l:85%;--tile-ink:#2a2b36;--tile-edge:#2a2b36b3;--sk-red:#d2473b;--sk-blue:#2c5bd2;--sk-gold:#d98a0b;--sk-orange:#e0702a;--sk-green:#2f8a43;--sk-purple:#8a55c9;--sk-grey:#8d877b;--st-solid:#3b528b;--st-liquid:#21908d;--st-gas:#e8c61a;--st-unknown:#a59f92;--noise:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .32 0 0 0 0 .25 0 0 0 0 .14 0 0 0 .13 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");--f-hand:"Caveat", "Patrick Hand", "Segoe Print", cursive;--f-body:"Patrick Hand", "Segoe Print", "Comic Sans MS", cursive;--f-mono:"Courier Prime", "Courier New", ui-monospace, monospace;--rough:255px 15px 225px 15px / 15px 225px 15px 255px;color-scheme:light}:root[data-theme=chalk]{--desk:#1b2925;--paper:#243832;--paper-2:#2b423a;--ink:#f0efe6;--ink-2:#b4bfb1;--line:#4b6157;--rule:#ffffff12;--margin:#ff8c8c4d;--accent:#ffd36a;--accent-ink:#1b2925;--hi:#ffd36a57;--shadow:#0006;--tape:#ffffff29;--vignette:#0006;--cat-s:28%;--cat-l:31%;--tile-ink:#f3f2ea;--tile-edge:#f0efe699;--sk-red:#ff9182;--sk-blue:#8cc3ff;--sk-gold:#ffd36a;--sk-orange:#ffb27a;--sk-green:#a6e3a1;--sk-purple:#d4b2ff;--sk-grey:#a9b3a6;--st-unknown:#7d877b;--noise:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .06 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");color-scheme:dark}*{box-sizing:border-box}html{background:var(--desk)}body{color:var(--ink);font-family:var(--f-body);background-color:var(--desk);background-image:var(--noise);padding:22px max(16px, env(safe-area-inset-right,0px)) 34px max(16px, env(safe-area-inset-left,0px));margin:0;font-size:15px;line-height:1.45}button,input,select{font:inherit;color:inherit}:focus-visible{outline:2px dashed var(--accent);outline-offset:3px}[hidden]{display:none!important}.wrap{gap:18px;max-width:1500px;margin:0 auto;display:grid}.sheet{background-color:var(--paper);background-image:var(--noise);box-shadow:0 1px 1px var(--shadow), 0 8px 18px -8px var(--shadow), 0 22px 40px -26px var(--shadow);border-radius:3px 5px 4px 3px;position:relative}.ruled{background-image:var(--noise), linear-gradient(90deg, transparent 34px, var(--margin) 34px, var(--margin) 35.5px, transparent 35.5px), linear-gradient(var(--rule) 1px, transparent 1px);background-position:0 0,0 0,0 20px;background-size:auto,auto,100% 28px}.btn,.chip,.segb,.ib{border:1.5px solid var(--ink);background:var(--paper);border-radius:var(--rough);cursor:pointer;transition:transform .12s,box-shadow .12s}.btn:hover,.chip:hover,.segb:hover,.ib:hover{box-shadow:2px 2px 0 var(--ink);transform:translate(-1px,-1px)}.btn:active,.chip:active,.segb:active,.ib:active{box-shadow:none;transform:none}.btn{padding:2px 12px;font-size:15px}.btn[aria-pressed=true],.segb[aria-pressed=true]{background:linear-gradient(176deg, transparent 12%, var(--hi) 14%, var(--hi) 88%, transparent 90%), var(--paper)}.btn:disabled,.segb:disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none}.btn.primary{background:var(--accent);color:var(--accent-ink);padding:3px 16px;font-size:17px}.top{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:14px 28px;display:flex}.site-title{font-family:var(--f-hand);letter-spacing:.005em;margin:0;font-size:clamp(2.2rem,5vw,3.2rem);font-weight:700;line-height:.95}.hl-word{background:linear-gradient(100deg, transparent 1%, var(--hi) 3%, var(--hi) 97%, transparent 99%) 0 70% / 100% 52% no-repeat;padding:0 .12em}.sub{color:var(--ink-2);max-width:60ch;margin:8px 0 0;font-size:15.5px}.controls{flex-wrap:wrap;align-items:end;gap:12px 18px;display:flex}.field{gap:2px;min-width:0;display:grid}.lbl,.field>span{font-family:var(--f-hand);color:var(--ink-2);font-size:18px;line-height:1}input[type=search],input[type=text],input[type=email],select{border:0;border-bottom:1.6px solid var(--ink);height:34px;font-family:var(--f-body);background:0 0;border-radius:0;min-width:0;padding:0 4px;font-size:16px}input[type=search]:focus,input[type=text]:focus,input[type=email]:focus,select:focus{border-bottom:2px solid var(--accent);outline:none}select{cursor:pointer}select option{background:var(--paper);color:var(--ink)}.field input[type=search]{width:170px}.temp{gap:3px;min-width:240px;display:grid}.temp-row{align-items:center;gap:10px;display:flex}.temp output{font-family:var(--f-mono);text-align:right;font-variant-numeric:tabular-nums;min-width:15ch;font-size:13px}input[type=range]{-webkit-appearance:none;appearance:none;cursor:pointer;background:0 0;flex:1;min-width:120px;height:22px}input[type=range]::-webkit-slider-runnable-track{border:1.4px solid var(--ink);background:linear-gradient(90deg,#7fb0ea,#f4d36b 45%,#e98a4a 75%,#d4473b);border-radius:6px 3px 7px 4px;height:6px}input[type=range]::-moz-range-track{border:1.4px solid var(--ink);background:linear-gradient(90deg,#7fb0ea,#f4d36b 45%,#e98a4a 75%,#d4473b);border-radius:6px 3px 7px 4px;height:6px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--paper);border:2px solid var(--ink);border-radius:52% 46% 55% 48%;width:17px;height:17px;margin-top:-7px}input[type=range]::-moz-range-thumb{background:var(--paper);border:2px solid var(--ink);border-radius:52% 46% 55% 48%;width:14px;height:14px}.chips{flex-wrap:wrap;gap:5px;display:flex}.chip{padding:0 8px;font-size:13.5px;line-height:1.5}.theme-btn{align-items:center;gap:6px;height:34px;display:inline-flex}.theme-btn svg{width:18px;height:18px}.layout{grid-template-columns:minmax(0,1fr);align-items:start;gap:22px;display:grid}.main{grid-template-columns:minmax(0,1fr);gap:22px;min-width:0;display:grid}.tablewrap{min-width:0;container-type:inline-size}.tscroll{margin:-8px -6px -10px;padding:8px 6px 10px;overflow-x:auto}.ptable{grid-template-rows:repeat(7,auto) .8rem repeat(2,auto);grid-template-columns:repeat(18,minmax(0,1fr));gap:4px;min-width:760px;display:grid}.tile{aspect-ratio:1/1.1;text-align:left;cursor:pointer;border:1.4px solid var(--tile-edge);width:100%;color:var(--tile-ink);background-color:hsl(var(--h,215) var(--cat-s) var(--cat-l));background-image:var(--noise), radial-gradient(circle at 28% 22%, #ffffff59, transparent 62%);transform:rotate(var(--tilt,0deg));box-shadow:0 1px 0 var(--shadow);border-radius:5px 3px 6px 4px/4px 6px 3px 5px;padding:0;transition:opacity .15s,transform .12s,box-shadow .12s;display:block;position:relative}.tile.r1{border-radius:3px 6px 4px 5px/6px 3px 5px 4px}.tile.r2{border-radius:6px 4px 3px 6px/3px 5px 6px 4px}.tile.r3{border-radius:4px 5px 6px 3px/5px 4px 4px 6px}.tile:hover{z-index:4;box-shadow:3px 4px 0 var(--shadow);transform:rotate(0)scale(1.15)}.tile[aria-pressed=true]{z-index:3}.tile[aria-pressed=true]:after{content:"";border:2.3px solid var(--accent);pointer-events:none;border-radius:48% 52% 45% 55%/55% 45% 52% 48%;position:absolute;inset:-7px -6px;transform:rotate(-7deg)}.tile.dim{opacity:.22}.tile.hl{box-shadow:0 0 0 2.5px var(--sk-gold);z-index:2}.tile.hl:before{content:"";background:var(--hi);border-radius:40% 12% 35% 14%;height:38%;position:absolute;top:30%;left:6%;right:6%;transform:rotate(-5deg)}.tile .z{font:700 clamp(.5rem, .95cqi, .7rem)/1 var(--f-mono);opacity:.8;position:absolute;top:3px;left:4px}.tile .sy{text-align:center;font:700 clamp(1rem, 2.4cqi, 1.9rem)/1 var(--f-hand);position:absolute;top:26%;left:0;right:0}.tile .nm{text-align:center;font:400 clamp(.45rem, .78cqi, .66rem)/1 var(--f-body);white-space:nowrap;padding:0 1px;position:absolute;bottom:15%;left:0;right:0;overflow:hidden}.tile .ms{text-align:center;font:400 clamp(.4rem, .68cqi, .56rem)/1 var(--f-mono);opacity:.75;position:absolute;bottom:3px;left:0;right:0}.tile .st{border:1px solid var(--tile-edge);border-radius:50% 40% 55% 45%;width:7px;height:7px;position:absolute;top:4px;right:4px}.tile .st[data-s=solid]{background:var(--st-solid)}.tile .st[data-s=liquid]{background:var(--st-liquid)}.tile .st[data-s=gas]{background:var(--st-gas)}.tile .st[data-s=unknown]{background:var(--st-unknown)}.tile .qm{pointer-events:none;place-items:center;display:grid;position:absolute;inset:0}@container (width<=980px){.tile .nm,.tile .ms{display:none}.tile .sy{top:34%}}.ph{aspect-ratio:1/1.1;border:1.4px dashed var(--tile-edge);font:700 .95rem/1.1 var(--f-hand);text-align:center;color:var(--tile-ink);cursor:pointer;background:hsl(var(--h) var(--cat-s) var(--cat-l) / .5);border-radius:5px 3px 6px 4px;place-items:center;padding:0;display:grid}.keybox{flex-direction:column;grid-area:1/3/4/13;justify-content:center;align-self:stretch;gap:10px;min-width:0;padding:4px 10px;display:flex}.legend{flex-wrap:wrap;gap:4px 14px;display:flex}.lg{cursor:pointer;font-size:14px;font-family:var(--f-body);background:0 0;border:0;border-radius:3px;align-items:center;gap:6px;padding:0 3px;display:inline-flex}.lg[aria-pressed=true]{background:linear-gradient(176deg, transparent 15%, var(--hi) 17%, var(--hi) 85%, transparent 87%)}.lg i{background:hsl(var(--h,215) var(--cat-s) var(--cat-l));border:1.3px solid var(--tile-edge);border-radius:4px 2px 5px 3px;flex:none;width:13px;height:13px;display:inline-block;transform:rotate(-4deg)}.ramp{border:1.4px solid var(--ink);border-radius:6px 3px 7px 4px;height:12px}.ramp-l{font:400 12px var(--f-mono);color:var(--ink-2);justify-content:space-between;display:flex}.keytxt{color:var(--ink-2);margin:0;font-size:14px}.quizbar{flex-wrap:wrap;align-items:center;gap:8px 16px;margin-bottom:14px;padding:10px 16px;display:flex}.quizbar:before{content:"";background:var(--tape);width:76px;height:20px;position:absolute;top:-9px;left:22px;transform:rotate(-4deg)}.qprompt{font:700 clamp(1.4rem, 2.6vw, 1.9rem)/1.1 var(--f-hand);flex:260px}.qprompt b,.hlb{background:linear-gradient(176deg, transparent 18%, var(--hi) 20%, var(--hi) 86%, transparent 88%);padding:0 .1em}.qmeta{font:400 13px var(--f-mono);color:var(--ink-2)}.qfeed{font:700 1.2rem var(--f-hand);min-width:12ch}.qfeed.good{color:var(--sk-green)}.qfeed.bad{color:var(--sk-red)}body.quizzing .tile .nm,body.quizzing .tile .z,body.quizzing .tile .ms{visibility:hidden}.tile.q-ok .qm:after{content:"✓";font:700 2.8rem/1 var(--f-hand);color:var(--sk-green);text-shadow:0 0 3px var(--paper), 0 0 3px var(--paper)}.tile.q-bad{animation:.42s shake}.tile.q-bad .qm:after{content:"✗";font:700 2.8rem/1 var(--f-hand);color:var(--sk-red);text-shadow:0 0 3px var(--paper), 0 0 3px var(--paper)}.tile.q-ans .qm{border:2.6px solid var(--sk-green);border-radius:50% 45% 55% 48%/52% 50% 46% 54%;animation:.5s ease-in-out 4 alternate pulse;inset:-7px}@keyframes shake{0%,to{translate:0}25%{translate:-4px}50%{translate:4px}75%{translate:-2px}}@keyframes pulse{0%{scale:1}to{scale:1.12}}.panel{min-width:0;position:relative}.panel:before{content:"";z-index:5;pointer-events:none;background:var(--tape);width:120px;height:24px;box-shadow:0 1px 2px var(--shadow);position:absolute;top:-11px;left:50%;transform:translate(-50%)rotate(-2.5deg)}.panel-sheet{gap:13px;min-width:0;padding:18px 16px;display:grid}.phead{align-items:center;gap:12px;display:flex}.bigsym{width:66px;height:72px;font:700 2.3rem/1 var(--f-hand);background-color:hsl(var(--h,215) var(--cat-s) var(--cat-l));background-image:var(--noise);color:var(--tile-ink);border:1.6px solid var(--tile-edge);border-radius:6px 3px 7px 4px/4px 7px 3px 6px;flex:none;place-items:center;display:grid;position:relative;transform:rotate(-2deg)}.bigsym small{font:700 .7rem var(--f-mono);position:absolute;top:4px;left:6px}.phead h2{font:700 2rem/1 var(--f-hand);margin:0}.phead p{color:var(--ink-2);margin:3px 0 0;font-size:14px}.pnav{flex:none;gap:5px;margin-left:auto;display:flex}.ib{place-items:center;width:34px;height:34px;padding:0;font-size:16px;display:grid}.ib svg{width:18px;height:18px}.ib[aria-pressed=true]{background:var(--hi)}.tabs{border-bottom:1.5px solid var(--ink);gap:6px;display:flex}.tab{cursor:pointer;color:var(--ink-2);font:700 21px/1.1 var(--f-hand);background:0 0;border:0;padding:2px 10px 4px}.tab[aria-selected=true]{color:var(--ink);text-decoration:underline wavy var(--accent) 2px;text-underline-offset:6px}.seg{display:inline-flex}.segb{padding:2px 11px;font-size:15px}.segb+.segb{margin-left:-1.5px}.stage{aspect-ratio:1/.92;border:1.6px solid var(--ink);touch-action:none;cursor:grab;background-color:var(--paper);background-image:linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px), var(--noise);box-shadow:inset 0 0 22px -8px var(--shadow);background-size:20px 20px,20px 20px,auto;border-radius:6px 3px 7px 4px/4px 7px 3px 6px;position:relative;overflow:hidden}.stage:active{cursor:grabbing}.stage canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.note{font:400 13px/1.3 var(--f-body);color:var(--ink-2);pointer-events:none;position:absolute;bottom:7px;left:10px;right:10px}.tag3d{font:400 12px var(--f-mono);color:var(--ink-2);pointer-events:none;position:absolute;top:8px;left:10px;right:10px}.stage[data-mode=sketch] .tag3d{font:700 17px var(--f-hand);color:var(--ink)}.stagectl{flex-wrap:wrap;align-items:center;gap:7px 8px;display:flex}.key3d{color:var(--ink-2);flex-wrap:wrap;gap:4px 14px;font-size:14px;display:flex}.key3d span{align-items:center;gap:6px;display:inline-flex}.key3d i{border:1.2px solid var(--ink);border-radius:50% 42% 55% 46%;width:11px;height:11px;display:inline-block}.esum{margin:0;font-size:16px}.props{grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px;margin:0;display:grid}.props>div{border-bottom:1.3px dashed var(--line);justify-content:space-between;align-items:baseline;gap:10px;min-width:0;padding:5px 0;display:flex}.props dt{color:var(--ink-2);flex:none;font-size:14px}.props dd{font:400 13px var(--f-mono);text-align:right;overflow-wrap:anywhere;font-variant-numeric:tabular-nums;min-width:0;margin:0}.config{font:700 14px/1.6 var(--f-mono);overflow-wrap:anywhere}.config sup{font-size:.72em}.obox{flex-wrap:wrap;align-items:end;gap:8px 12px;margin-top:8px;display:flex}.og{justify-items:center;gap:3px;display:grid}.obs{display:flex}.ob{border:1.5px solid var(--ink);width:23px;height:27px;font:700 17px/1 var(--f-body);letter-spacing:-3px;background:var(--paper);place-items:center;margin-left:-1.5px;padding-right:3px;display:grid}.ob:first-child{border-radius:4px 0 0 3px;margin-left:0}.ob:last-child{border-radius:0 3px 4px 0}.ob:only-child{border-radius:3px 4px}.ob.coreb{letter-spacing:0;width:auto;font:400 12px var(--f-mono);border-style:dashed;padding:0 6px}.og small{font:400 12px var(--f-mono);color:var(--ink-2)}.shellbar{gap:4px;margin-top:8px;display:flex}.shellbar span{text-align:center;min-width:0;font:700 13px var(--f-mono);border:1.4px solid var(--ink);border-radius:var(--rough);background:var(--paper-2);flex:1 1 0;padding:3px 0}.shellbar b{font:400 15px/1 var(--f-hand);color:var(--ink-2);display:block}.nb-tabs{z-index:2;flex-wrap:wrap;gap:4px;padding-left:16px;display:flex;position:relative}.nb-tab{border:1.5px solid var(--ink);cursor:pointer;background:hsl(var(--tc) 70% 86%);color:var(--tile-ink);font:700 20px/1.1 var(--f-hand);border-bottom:0;border-radius:12px 16px 0 0/14px 11px 0 0;padding:3px 16px;transition:transform .12s;transform:translateY(4px)}:root[data-theme=chalk] .nb-tab{background:hsl(var(--tc) 22% 30%)}.nb-tab:hover{transform:translateY(1px)}.nb-tab[aria-selected=true]{background:var(--paper);transform:translateY(1.5px)}.nb-sheet{border:1.5px solid var(--ink);min-height:280px;padding:18px 20px 22px 54px}@media (width<=620px){.nb-sheet{background-image:var(--noise), linear-gradient(var(--rule) 1px, transparent 1px);background-size:auto,100% 28px;padding-left:18px}}.nb-page{gap:12px;display:grid}.nb-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:8px 16px;display:flex}.nb-head h3{font:700 1.7rem/1 var(--f-hand);margin:0}.nb-page p{margin:0}.muted{color:var(--ink-2)}.trendbox{position:relative}.trendbox canvas{width:100%;height:260px;display:block}.fx-row{flex-wrap:wrap;align-items:end;gap:10px 14px;display:flex}.fx-row input{font:700 26px/1 var(--f-hand);width:min(340px,100%);height:42px}.fx-total{font:700 2.3rem/1 var(--f-hand)}.fx-total small{font:400 1rem var(--f-body);color:var(--ink-2)}.fx-pretty{font:700 1.5rem var(--f-hand)}.fx-bar{border:1.5px solid var(--ink);border-radius:6px 3px 7px 4px;height:22px;display:flex;overflow:hidden}.fx-bar span{font:700 13px var(--f-hand);min-width:0;color:var(--tile-ink);background-color:hsl(var(--h) var(--cat-s) calc(var(--cat-l) - 6%));border-right:1.3px solid var(--ink);place-items:center;display:grid;overflow:hidden}.fx-bar span:last-child{border-right:0}.err{color:var(--sk-red);font-size:16px}table.grid{border-collapse:collapse;width:100%;font-size:14.5px}table.grid th,table.grid td{border-bottom:1.3px dashed var(--line);text-align:left;vertical-align:top;padding:5px 10px 5px 0}table.grid th{font:700 17px var(--f-hand);color:var(--ink-2)}table.grid td.n{font-family:var(--f-mono);text-align:right;font-variant-numeric:tabular-nums;font-size:13px}.linkish{cursor:pointer;font:inherit;text-underline-offset:3px;background:0 0;border:0;padding:0;text-decoration:underline dotted}.cmpwrap{overflow-x:auto}table.cmp{border-collapse:collapse;min-width:100%;font-size:14px}table.cmp th,table.cmp td{border-bottom:1.3px dashed var(--line);text-align:left;vertical-align:top;min-width:110px;padding:6px 12px 6px 0}table.cmp th:first-child,table.cmp td:first-child{color:var(--ink-2);min-width:120px}table.cmp td .v{font:400 13px var(--f-mono)}.bar{border:1.3px solid var(--ink);background:repeating-linear-gradient(-45deg, var(--accent) 0 1.6px, transparent 1.6px 4.5px);border-radius:2px 6px 3px 5px;height:9px;margin-top:4px}.mini{grid-template-columns:auto auto;align-items:center;gap:2px 8px;display:inline-grid}.mini .ms2{border:1.4px solid var(--tile-edge);width:40px;height:44px;font:700 1.4rem/1 var(--f-hand);background-color:hsl(var(--h) var(--cat-s) var(--cat-l));color:var(--tile-ink);border-radius:5px 3px 6px 4px;grid-row:span 2;place-items:center;display:grid}.mini b{font:700 1.2rem/1 var(--f-hand)}.x{cursor:pointer;color:var(--ink-2);font:400 13px var(--f-body);text-align:left;background:0 0;border:0;padding:0;text-decoration:underline dotted}.dots{font:700 1.4rem/1 var(--f-hand);flex-wrap:wrap;gap:6px;display:flex}.dots .g{color:var(--sk-green)}.dots .b{color:var(--sk-red)}.grade{font:700 2.4rem/1 var(--f-hand);color:var(--sk-red);border:2.4px solid var(--sk-red);border-radius:50% 46% 54% 48%;padding:6px 14px;display:inline-block;transform:rotate(-6deg)}.ex{flex-wrap:wrap;gap:6px;display:flex}.foot{color:var(--ink-2);max-width:95ch;font-size:14px}kbd{font:400 12px var(--f-mono);border:1.3px solid var(--ink-2);background:var(--paper);border-radius:4px 3px 5px;padding:0 5px}@media (width<=520px){.props{grid-template-columns:minmax(0,1fr)}.field input[type=search]{width:130px}}@media (prefers-reduced-motion:reduce){.tile,.btn,.chip,.segb,.ib,.nb-tab{transition:none}.tile:hover{transform:rotate(var(--tilt,0deg))}.tile.q-bad,.tile.q-ans .qm{animation:none}}.atomctl{border:1.4px dashed var(--line);border-radius:6px 3px 7px 4px;gap:8px;padding:10px 12px;display:grid}.ctlrow{flex-wrap:wrap;align-items:center;gap:6px 10px;display:flex}.ctlrow .lbl{min-width:72px}.ctlrow output{font:700 14px var(--f-mono);text-align:center;min-width:3ch}.ctlrow input[type=range]{flex:120px;max-width:220px}.ib.sm{width:28px;height:28px;font-size:18px;line-height:1}.stab{font-size:14px}.stab.ok{color:var(--sk-green)}.stab.bad{color:var(--sk-red)}.stab.long{color:var(--sk-gold)}.lewisrow{flex-wrap:wrap;align-items:flex-start;gap:12px 22px;display:flex}.lewisrow>div:last-child{flex:160px}#lewis{width:120px;height:104px;display:block}.hazards{flex-wrap:wrap;gap:8px;display:flex}.hz{text-align:center;width:78px;color:var(--ink-2);justify-items:center;gap:2px;font-size:12.5px;line-height:1.15;display:grid}.hz i{width:32px;height:32px;color:var(--ink);z-index:0;place-items:center;margin:7px 0 5px;font-size:16px;font-style:normal;display:grid;position:relative}.hz i:before{content:"";border:2px solid var(--sk-red);background:var(--paper);z-index:-1;border-radius:3px 5px 2px 4px;position:absolute;inset:0;transform:rotate(45deg)}.sticky{color:#3a3424;box-shadow:0 6px 14px -8px var(--shadow);background:#fff3a6;border-radius:2px 2px 14px;padding:10px 12px 12px;position:relative;transform:rotate(-.8deg)}:root[data-theme=chalk] .sticky{background:#e8dc8e}.sticky .lbl{color:#6f6440}.sticky textarea{resize:vertical;width:100%;font:400 16px/1.4 var(--f-body);color:inherit;background:linear-gradient(#50461e2e 1px,#0000 1px) 0 0/100% 22.4px;border:0;outline:none;min-height:56px}.tile .nt{pointer-events:none;background:#ffe066;border:1px solid #50461e80;width:12px;height:12px;display:none;position:absolute;bottom:-4px;right:-4px;transform:rotate(10deg)}.tile.has-note .nt{display:block}.tile.undisc{opacity:.5;border-style:dashed;color:var(--ink-2)!important;background-color:#0000!important}.tile.undisc .sy,.tile.undisc .nm,.tile.undisc .ms,.tile.undisc .st{visibility:hidden}.tile.undisc .qm:after{content:"?";font:700 1.4rem var(--f-hand);color:var(--ink-2)}.tile.fresh{box-shadow:0 0 0 3px var(--sk-gold);z-index:2}.tile.q-pair{box-shadow:0 0 0 3px var(--accent);z-index:2}#eq{width:min(520px,100%);font:700 24px/1 var(--f-hand);height:42px}.conv{flex-wrap:wrap;align-items:end;gap:8px 12px;margin-top:6px;display:flex}.conv input{width:150px;font:400 15px var(--f-mono)}.conv .eqs{font:700 1.4rem var(--f-hand);padding-bottom:4px}.subhead{font:700 1.4rem/1.1 var(--f-hand);margin:14px 0 0}.eq-out{font:700 clamp(1.4rem, 2.6vw, 2rem)/1.3 var(--f-hand)}.eq-out .co{color:var(--sk-red);margin-right:.1em}.ok-mark{color:var(--sk-green);font-weight:700}#scale{width:100%;height:220px;margin-top:6px;display:block}.tlrow{flex-wrap:wrap;align-items:center;gap:8px 14px;display:flex}.tlrow input[type=range]{flex:260px}.tlrow output{font:700 1.8rem/1 var(--f-hand);min-width:5ch}#tlchart{width:100%;height:170px;display:block}#tl::-webkit-slider-runnable-track,#nsl::-webkit-slider-runnable-track{background:var(--paper-2)}#tl::-moz-range-track,#nsl::-moz-range-track{background:var(--paper-2)}.fc-wrap{justify-items:center;gap:12px;display:grid}.fcard{aspect-ratio:5/3;perspective:900px;cursor:pointer;width:min(340px,100%);color:inherit;font:inherit;background:0 0;border:0;padding:0}.fcard .in{width:100%;height:100%;transform-style:preserve-3d;transition:transform .45s;display:block;position:relative}.fcard.flip .in{transform:rotateY(180deg)}.fcard .fc{-webkit-backface-visibility:hidden;backface-visibility:hidden;background-color:var(--paper);background-image:linear-gradient(transparent 30px, var(--margin) 30px, var(--margin) 31.5px, transparent 31.5px), linear-gradient(var(--rule) 1px, transparent 1px);border:1.5px solid var(--ink);box-shadow:0 8px 18px -10px var(--shadow);background-position:0 0,0 31px;background-size:100% 100%,100% 22px;border-radius:4px 6px 3px 5px;align-content:center;place-items:center;gap:4px;padding:14px;display:grid;position:absolute;inset:0}.fcard .back{transform:rotateY(180deg)}.fc .big{font:700 4.2rem/1 var(--f-hand)}.fc .nm2{font:700 2.1rem/1 var(--f-hand)}.fc small{color:var(--ink-2);font-size:14px}.boxes{font:400 13px var(--f-mono);color:var(--ink-2);flex-wrap:wrap;gap:12px;display:flex}.boxes b{font:700 1.2rem var(--f-hand);color:var(--ink)}.qopts{flex-wrap:wrap;align-items:end;gap:10px 18px;display:flex}canvas.doodle{pointer-events:none;z-index:8;width:100%;height:100%;position:absolute;inset:0}canvas.doodle.on{pointer-events:auto;cursor:crosshair;touch-action:none}.ptable{position:relative}body.drawing .ptable,body.drawing .stage{outline:2px dashed var(--accent);outline-offset:4px}.drawbar{z-index:50;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 8px;width:max-content;max-width:calc(100vw - 24px);padding:8px 12px;display:flex;position:fixed;bottom:14px;left:50%;transform:translate(-50%)}.sw{border:2px solid var(--ink);cursor:pointer;border-radius:50% 45% 55% 48%;width:24px;height:24px;padding:0}.sw[aria-pressed=true]{box-shadow:0 0 0 3px var(--hi), 0 0 0 4.5px var(--ink)}.toast{z-index:60;font:700 1.2rem var(--f-hand);pointer-events:none;padding:6px 16px;position:fixed;top:18px;left:50%;transform:translate(-50%)rotate(-1deg)}#printArea{display:none}.hdr-tools{flex-wrap:wrap;gap:8px;display:flex}@media (width<=700px){body{padding-left:max(12px, env(safe-area-inset-left,0px));padding-right:max(12px, env(safe-area-inset-right,0px))}.controls{width:100%}.temp{flex:100%}.field input[type=search]{width:100%}.controls>.field{flex:140px}.ptable{gap:3px;min-width:620px}.nb-tabs{scrollbar-width:none;flex-wrap:nowrap;padding-bottom:2px;overflow-x:auto}.nb-tab{flex:none;padding:3px 12px;font-size:18px}.nb-sheet{padding:16px 14px 18px}.stage{aspect-ratio:1}.panel-sheet{padding:16px 12px}}@media print{body{background:#fff}.controls,.stagectl,.notebook,.quizbar,.pnav,.drawbar,.atomctl,.sticky,.toast{display:none!important}.sheet{box-shadow:none}body.printmode>:not(#printArea){display:none!important}body.printmode #printArea{color:#000;font-family:var(--f-body);display:block!important}.pcards{grid-template-columns:repeat(3,1fr);display:grid}.pcard{text-align:center;break-inside:avoid;border:1px dashed #999;align-content:center;justify-items:center;height:62mm;padding:10px 12px;display:grid}.pcard .s{font:700 40pt/1 var(--f-hand)}.pcard .n{font:700 16pt var(--f-hand)}.pcard small{font:9pt var(--f-mono);color:#444}.pgrid{grid-template-columns:repeat(18,1fr);gap:2px;margin:10px 0 18px;display:grid}.pgrid div{aspect-ratio:1/1.15;font:7pt var(--f-mono);border:1px solid #555;padding:2px}.pws h1,.ppage h1{font:700 26pt var(--f-hand);margin:0 0 6px}.pws ol{font-size:12pt;line-height:2.1}.ppage img{max-width:70%;margin:8px 0;display:block}.ppage .props{grid-template-columns:1fr 1fr}}.title-link{color:inherit;text-decoration:none}.hdr-nav{flex-wrap:wrap;align-items:center;gap:8px;display:flex}a.btn{height:34px;color:inherit;align-items:center;text-decoration:none;display:inline-flex}.elink-row{margin:-4px 0 0}.elink{color:var(--accent);text-underline-offset:3px;font-size:15px}.skip{z-index:100;background:var(--paper);border:1.5px solid var(--ink);padding:6px 12px;position:absolute;top:-60px;left:12px}.skip:focus{top:10px}.crumbs{color:var(--ink-2);font-size:14px}.crumbs ol{flex-wrap:wrap;gap:4px;margin:0;padding:0;list-style:none;display:flex}.crumbs li+li:before{content:"›";margin-right:4px}.crumbs a{color:inherit}.intro{gap:10px;padding:20px 22px 22px 54px;display:grid}.intro h2,.article h2,.hub h2{font:700 1.9rem/1.1 var(--f-hand);margin:10px 0 0}.intro p,.article p{max-width:75ch;margin:0;font-size:16px}.features{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px 22px;margin:4px 0 0;padding:0;list-style:none;display:grid}.features li{font-size:15px}.features b{font:700 1.25rem var(--f-hand);display:block}.article{gap:12px;padding:24px 24px 26px 54px;display:grid}.article h1{font:700 clamp(2.2rem, 5vw, 3.2rem)/1 var(--f-hand);margin:0}.article .lede{font-size:18px}.article .facts{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:0 22px;margin:4px 0;display:grid}.article .facts>div{border-bottom:1.3px dashed var(--line);justify-content:space-between;gap:10px;padding:5px 0;display:flex}.article .facts dt{color:var(--ink-2);font-size:14px}.article .facts dd{font:400 13px var(--f-mono);text-align:right;margin:0}.related{flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;display:flex}.related a,.eindex a{color:inherit;border:1.4px solid var(--ink);border-radius:var(--rough);background:var(--paper);align-items:center;gap:6px;padding:2px 10px 2px 3px;font-size:14.5px;text-decoration:none;display:inline-flex}.related a:hover,.eindex a:hover{box-shadow:2px 2px 0 var(--ink);transform:translate(-1px,-1px)}.chipsym{min-width:28px;height:26px;font:700 1rem/1 var(--f-hand);background:hsl(var(--h) var(--cat-s) var(--cat-l));border:1.2px solid var(--tile-edge);color:var(--tile-ink);border-radius:4px 2px 5px 3px;place-items:center;display:inline-grid}@media (width<=620px){.intro,.article{padding-left:18px;padding-right:16px}}.hub{gap:14px;padding:22px 22px 26px 54px;display:grid}.hub h1{font:700 clamp(2.2rem, 5vw, 3.2rem)/1 var(--f-hand);margin:0}.eindex{gap:14px;display:grid}.eindex h3{font:700 1.35rem/1 var(--f-hand);margin:6px 0}.eindex ul{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.hublist{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px 20px;margin:0;padding:0;list-style:none;display:grid}.hublist li{border-bottom:1.3px dashed var(--line);grid-template-columns:auto 1fr;align-items:start;gap:2px 10px;padding:6px 0;display:grid}.hublist .chipsym{grid-row:span 2;min-width:40px;height:40px;font-size:1.4rem}.hublist a{color:inherit;font:700 1.2rem/1.1 var(--f-hand)}.hublist small{color:var(--ink-2);font-size:13.5px}@media (width<=620px){.hub{padding-left:18px;padding-right:16px}}.site-foot{color:var(--ink-2);gap:14px;padding:18px 22px 22px;font-size:14px;display:grid}.site-foot .row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 18px;display:flex}.site-foot a,.site-foot .linkish{color:var(--ink)}.preloader{z-index:200;background-color:var(--desk);background-image:var(--noise), radial-gradient(130% 90% at 50% 0%, transparent 55%, var(--vignette) 100%);place-items:center;padding:16px;transition:opacity .45s,visibility .45s;display:grid;position:fixed;inset:0}.preloader.done{opacity:0;visibility:hidden;pointer-events:none}.pl-card{justify-items:center;gap:6px;width:min(340px,92vw);padding:18px 18px 16px;display:grid;position:relative;transform:rotate(-1.2deg)}.pl-card:before{content:"";background:var(--tape);width:96px;height:22px;position:absolute;top:-10px;left:50%;transform:translate(-50%)rotate(3deg)}.pl-stage{aspect-ratio:1;border:1.5px solid var(--ink);background-color:var(--paper);background-image:linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px);background-size:18px 18px;border-radius:6px 3px 7px 4px/4px 7px 3px 6px;width:100%;position:relative;overflow:hidden}.pl-stage canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.pl-tile{border:1.5px solid var(--tile-edge);background:hsl(var(--h,215) var(--cat-s) var(--cat-l));width:54px;height:60px;color:var(--tile-ink);font:700 1.9rem/1 var(--f-hand);border-radius:5px 3px 6px 4px;place-items:center;display:grid;position:absolute;top:10px;left:10px;transform:rotate(-3deg)}.pl-tile small{font:700 .62rem var(--f-mono);position:absolute;top:3px;left:5px}.pl-name{font:700 1.7rem/1 var(--f-hand);margin-top:4px}.pl-msg{color:var(--ink-2);margin:0;font-size:15px}.pl-msg:after{content:"";text-align:left;width:1.2em;animation:1.2s steps(4,end) infinite dots;display:inline-block}@keyframes dots{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}.pl-skip{position:absolute;bottom:16px;right:16px}@media (prefers-reduced-motion:reduce){.preloader{transition:none}.pl-msg:after{content:"...";animation:none}}dialog.contact{border:1.5px solid var(--ink);width:min(520px,100vw - 24px);max-height:calc(100vh - 32px);color:var(--ink);padding:0;overflow:auto}dialog.contact::backdrop{backdrop-filter:blur(2px);background:#281e0a73}:root[data-theme=chalk] dialog.contact::backdrop{background:#0009}dialog.contact[open]{animation:.22s ease-out popin}@keyframes popin{0%{opacity:0;transform:translateY(12px)rotate(-1deg)}to{opacity:1;transform:none}}.contact-form{gap:12px;padding:22px 22px 22px 54px;display:grid;position:relative}.contact-form h2{font:700 2rem/1 var(--f-hand);margin:0}.contact-form p{margin:0}.contact-form .field input,.contact-form .field select{width:100%}.contact-form textarea{resize:vertical;border:1.5px solid var(--ink);width:100%;min-height:120px;font:400 16px/1.4 var(--f-body);color:inherit;background:0 0;border-radius:4px 6px 3px 5px;padding:6px 8px}.contact-form textarea:focus{border-color:var(--accent);outline:none}.contact-x{width:32px;height:32px;font:400 26px/1 var(--f-body);cursor:pointer;color:var(--ink-2);background:0 0;border:0;position:absolute;top:10px;right:12px}.contact-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.hp{opacity:0;width:1px;height:1px;position:absolute;left:-9999px}.contact-done{font:700 1.3rem var(--f-hand);color:var(--sk-green)}.field-err{color:var(--sk-red);font-size:13.5px}@media (width<=620px){.contact-form{padding-left:18px}}@media (prefers-reduced-motion:reduce){dialog.contact[open]{animation:none}}@media print{.preloader,dialog.contact,.site-foot,.hdr-nav{display:none!important}}.h1row{align-items:center;gap:12px;display:flex}.h1row .chipsym{min-width:54px;height:54px;font-size:1.9rem}.article-h1{font:700 clamp(2.2rem, 5vw, 3.2rem)/1 var(--f-hand);margin:0}.article-h1 small{color:var(--ink-2);font-size:.55em}.intro .lede{font-size:17px}.preloader{animation:10ms 12s forwards pl-failsafe}@keyframes pl-failsafe{to{opacity:0;visibility:hidden;pointer-events:none}}.phead{flex-wrap:wrap}.phead h2{overflow-wrap:anywhere}.pnav{flex-wrap:wrap}@media (width<=700px){.pnav{width:100%;margin-left:0}}.panel-sheet{grid-auto-rows:max-content;align-content:start}.panel-sheet>*{min-width:0}@media (width>=900px){.nb-sheet{min-height:640px}}.simbox{gap:10px;display:grid}.simmain,.simside{align-content:start;gap:10px;min-width:0;display:grid}.simtop{justify-content:space-between}.maxbtn{align-items:center;gap:6px;display:inline-flex}.maxbtn svg{width:16px;height:16px}.stagecap{font:400 12px/22px var(--f-mono);color:var(--ink-2);white-space:nowrap;text-overflow:ellipsis;height:22px;margin-bottom:-4px;overflow:hidden}.simmain:has(.stage[data-mode=sketch]) .stagecap{font:700 16px/22px var(--f-hand);color:var(--ink)}.stagenote{font:400 13.5px/1.35 var(--f-body);color:var(--ink-2);min-height:4.05em;margin:-2px 0 0}.ctxbox{border:1.4px dashed var(--line);border-radius:6px 3px 7px 4px;align-content:start;gap:8px;min-height:148px;padding:10px 12px;display:grid}.key3d{align-content:flex-start;min-height:2.9em}.latstate{display:inline}.latinfo{flex:100%;font-size:13.5px;line-height:1.35}.sd{border:1px solid var(--tile-edge);vertical-align:-1px;border-radius:50% 42% 55% 46%;flex:none;width:10px;height:10px;margin-right:5px;display:inline-block}.sd.solid{background:var(--st-solid)}.sd.liquid{background:var(--st-liquid)}.sd.gas{background:var(--st-gas)}.sd.unknown{background:var(--st-unknown)}.temp-row{padding-bottom:12px}.trk{flex:1;min-width:120px;display:flex;position:relative}.trk input[type=range]{width:100%}.tmark{width:18px;height:15px;font:700 12px/1 var(--f-hand);color:var(--ink);cursor:pointer;background:0 0;border:0;padding:0;position:absolute;top:21px;transform:translate(-50%)}.tmark:before{content:"";border:4px solid #0000;border-bottom:5px solid;position:absolute;top:-6px;left:50%;transform:translate(-50%)}.tm-melt{color:var(--st-liquid)}.tm-boil{color:var(--sk-gold)}.tempnews{white-space:nowrap;align-items:center;gap:4px 12px;max-width:100%;min-height:22px;display:flex;overflow:hidden}.tn{font:400 12.5px var(--f-mono);align-items:center;display:inline-flex}.tn-news{text-overflow:ellipsis;font-size:14px;overflow:hidden}.tn-chg+.tn-chg{margin-left:8px}.tile .chg{opacity:0;pointer-events:none;z-index:2;font-size:15px;line-height:1;position:absolute;top:-9px;right:-7px}.tile.chg-melt{--chgc:var(--st-liquid)}.tile.chg-boil{--chgc:var(--sk-gold)}.tile.chg-freeze{--chgc:var(--st-solid)}.tile.chg-cond{--chgc:var(--sk-blue)}.tile.chg-melt,.tile.chg-boil,.tile.chg-freeze,.tile.chg-cond{z-index:2;animation:1.6s ease-out chgflash}.tile.chg-melt .chg,.tile.chg-boil .chg,.tile.chg-freeze .chg,.tile.chg-cond .chg{animation:1.6s ease-out chgpop}@keyframes chgpop{0%{opacity:0;transform:scale(.4)}15%{opacity:1;transform:scale(1.3)}70%{opacity:1;transform:scale(1)}to{opacity:0;transform:translateY(-6px)}}@keyframes chgflash{0%{box-shadow:0 0 0 0 var(--chgc)}20%{box-shadow:0 0 0 4px var(--chgc)}to{box-shadow:0 0 #0000}}@media (prefers-reduced-motion:reduce){.tile.chg-melt,.tile.chg-boil,.tile.chg-freeze,.tile.chg-cond{box-shadow:0 0 0 3px var(--chgc);animation:none}.tile.chg-melt .chg,.tile.chg-boil .chg,.tile.chg-freeze .chg,.tile.chg-cond .chg{opacity:1;animation:none}}.phase{gap:4px;display:grid}.phasebar{border:1.5px solid var(--ink);cursor:pointer;background:var(--paper-2);touch-action:none;border-radius:3px;height:22px;margin-bottom:16px;position:relative}.pseg{position:absolute;top:0;bottom:0}.pseg.solid{background:var(--st-solid)}.pseg.liquid{background:var(--st-liquid)}.pseg.gas{background:var(--st-gas)}.pseg.unknown{background:repeating-linear-gradient(-45deg, var(--st-unknown) 0 2px, transparent 2px 6px)}.ptick{background:var(--ink-2);width:1px;height:5px;position:absolute;top:100%}.ptick small{font:10px var(--f-mono);color:var(--ink-2);white-space:nowrap;position:absolute;top:5px;left:0;transform:translate(-50%)}.pnow{background:var(--sk-red);width:3px;box-shadow:0 0 0 1.5px var(--paper);pointer-events:none;border-radius:2px;margin-left:-1.5px;position:absolute;top:-6px;bottom:-6px}.phaselabels{color:var(--ink-2);flex-wrap:wrap;gap:4px 14px;min-height:1.4em;font-size:13.5px;display:flex}.phaselabels span{display:inline}.stkey{flex-wrap:wrap;align-items:center;gap:6px 16px;font-size:14px;display:flex}.stkey span{align-items:center;display:inline-flex}#stchart{touch-action:none;cursor:ns-resize;width:100%;height:360px;display:block}#stnote{min-height:5.6em;line-height:1.5}dialog.simmodal{border:1.5px solid var(--ink);width:calc(100vw - 24px);max-width:none;height:calc(100vh - 24px);max-height:none;color:var(--ink);padding:0;overflow:hidden}dialog.simmodal[open]{grid-template-rows:auto minmax(0,1fr);display:grid}dialog.simmodal::backdrop{background:#281e0a80}:root[data-theme=chalk] dialog.simmodal::backdrop{background:#000000a6}.simmodal-head{border-bottom:1.5px dashed var(--line);align-items:center;gap:10px;padding:10px 14px;display:flex}.simmodal-head h2{font:700 1.7rem/1 var(--f-hand);text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;margin:0;overflow:hidden}.simslot{min-height:0;padding:12px 14px 14px;overflow:auto}.simslot .simbox{grid-template-columns:minmax(0,1fr) 340px;gap:18px;height:100%}.simslot .simmain{grid-template-rows:auto auto auto minmax(0,1fr) auto;height:100%;min-height:0}.simslot .stage{aspect-ratio:auto;height:100%;min-height:260px}.simslot .simside{min-height:0;overflow:auto}@media (width<=860px){.simslot .simbox{grid-template-columns:minmax(0,1fr);height:auto}.simslot .simmain{grid-template-rows:none;height:auto}.simslot .stage{height:62vh}}.tip{z-index:300;background:var(--paper);max-width:min(280px,100vw - 16px);color:var(--ink);border:1.4px solid var(--ink);font:400 14px/1.3 var(--f-body);box-shadow:2px 3px 0 var(--shadow);pointer-events:none;border-radius:5px 3px 6px 4px;padding:6px 10px 7px;position:fixed}.tip:after{content:"";left:var(--ax,50%);background:var(--paper);border-right:1.4px solid var(--ink);border-bottom:1.4px solid var(--ink);width:9px;height:9px;position:absolute;bottom:-6px;transform:translate(-50%)rotate(45deg)}.tip[data-below=true]:after{top:-6px;bottom:auto;transform:translate(-50%)rotate(225deg)}.hovercard{z-index:250;pointer-events:none;border:1.5px solid var(--ink);width:280px;padding:12px 14px 10px;font-size:14px;position:fixed;transform:rotate(-.6deg)}.hc-head{align-items:center;gap:10px;margin-bottom:8px;display:flex}.hc-sym{width:48px;height:52px;font:700 1.7rem/1 var(--f-hand);border:1.4px solid var(--tile-edge);background:hsl(var(--h) var(--cat-s) var(--cat-l));color:var(--tile-ink);border-radius:5px 3px 6px 4px;flex:none;place-items:center;display:grid;position:relative}.hc-sym small{font:700 .6rem var(--f-mono);position:absolute;top:3px;left:4px}.hc-head b{font:700 1.5rem/1 var(--f-hand);display:block}.hc-head small{color:var(--ink-2);font-size:13px}.hc-grid{grid-template-columns:1fr 1fr;gap:2px 12px;margin:0;display:grid}.hc-grid div{border-bottom:1px dashed var(--line);min-width:0;padding:2px 0}.hc-grid dt{color:var(--ink-2);font-size:11.5px}.hc-grid dd{font:400 12.5px var(--f-mono);align-items:center;margin:0;display:flex}.hc-cfg{font:700 12.5px var(--f-mono);margin-top:6px}.hc-sum{margin-top:5px;font-size:13.5px;line-height:1.3}.hc-note{color:#3a3424;background:#fff3a6;margin-top:5px;padding:3px 6px;font-size:13px}.hc-foot{color:var(--ink-2);margin-top:6px;font-size:12px}@media print{.tip,.hovercard,dialog.simmodal{display:none!important}}.nuc{gap:5px;display:grid}.nucchips{gap:5px}.nucchip{font-family:var(--f-mono);border-left-width:5px;font-size:12.5px}.nucchip.nk-stable{border-left-color:var(--ink)}.nucchip.nk-long{border-left-color:var(--sk-gold)}.nucchip.nk-bm{border-left-color:var(--sk-blue)}.nucchip.nk-bp{border-left-color:var(--sk-red)}.nucchip.nk-a{border-left-color:#e8c61a}.chip[aria-pressed=true]{background:linear-gradient(176deg, transparent 12%, var(--hi) 14%, var(--hi) 88%, transparent 90%), var(--paper);font-weight:700}.nucnote{margin:2px 0 0;font-size:13.5px;line-height:1.35}.sd.nk-stable{background:var(--ink)}.sd.nk-long{background:#e9b04a}.sd.nk-bm{background:#a9c3f2}.sd.nk-bp{background:#f2b4ac}.sd.nk-a{background:#f2dc7c}.nuclists{grid-template-columns:repeat(auto-fit,minmax(320px,1fr));align-items:start;gap:10px 28px;display:grid}.nuclists section{min-width:0}.nucdef{margin:2px 0 6px;font-size:14px}.nuctwrap{border-top:1.4px solid var(--ink);max-height:380px;overflow:auto}.nuct{font-size:14px}.nuct thead th{background:var(--paper);z-index:1;position:sticky;top:0}.nuct td{white-space:nowrap}.nuct td .sd{margin-right:6px}.nuct tr.cur td{background:linear-gradient(176deg, transparent 10%, var(--hi) 12%, var(--hi) 90%, transparent 92%);font-weight:700}.nucbtn{font-family:var(--f-mono);font-size:13px}#nucchart{width:100%;height:420px;display:block}#nucpage{min-height:6em;line-height:1.55}body:before{content:"";z-index:-1;pointer-events:none;background:radial-gradient(130% 90% at 50% 0%, transparent 55%, var(--vignette) 100%);position:fixed;inset:0}.layout{grid-template-columns:minmax(0,1fr)}.panel-sheet{padding:20px 22px 22px}.pdetails{grid-auto-rows:max-content;align-content:start;gap:13px;min-width:0;display:grid}@media (width>=1000px){.panel-sheet{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:start;column-gap:28px}.panel-sheet>.phead{grid-column:1/-1}.panel-sheet>.simbox,.panel-sheet>.simph{grid-column:1}.panel-sheet>.pdetails{grid-column:2}.panel .stage{aspect-ratio:4/3}}@media (width<=700px){.panel-sheet{padding:16px 12px}}.top-compact{align-items:center}.top-compact .site-title{font-size:clamp(1.9rem,3.4vw,2.5rem)}.top-compact .sub{margin-top:4px;font-size:15px}.fitbox{--chrome:300px;width:min(100%, max(640px, calc((100svh - var(--chrome) - 49px) * 1.818 + 68px)));gap:12px;margin-inline:auto;display:grid}.tscroll{margin:0;padding:0;overflow:visible}.ptable{min-width:0}.tile .sy{font-size:clamp(.55rem,2.4cqi,1.9rem)}@container (width<=720px){.keybox{gap:4px;padding:0 4px}.keybox .legend{gap:0 8px}.keybox .lg{font-size:11px}.keybox .keytxt{display:none}}@container (width<=560px){.tile .z,.tile .st{display:none}.tile .sy{top:50%;transform:translateY(-50%)}.ptable{gap:2px}.keybox{display:none}.ph{font-size:.55rem}}.labctl{grid-template-columns:minmax(140px,1fr) minmax(170px,1fr) minmax(300px,2.6fr) auto;align-items:end;gap:8px 18px;padding:10px 16px 12px;display:grid}.labctl .field input[type=search],.labctl select{width:100%}.lc-temp{min-width:0}.lc-temp .temp-row{padding-bottom:10px}.lc-temp-foot{flex-wrap:wrap;align-items:center;gap:4px 14px;display:flex}.lc-temp-foot .tempnews{flex:200px}.lc-tools{justify-content:flex-end}@media (width<=1050px){.labctl{grid-template-columns:1fr 1fr}.lc-temp,.lc-tools{grid-column:1/-1}.lc-tools{justify-content:flex-start}}@media (width<=520px){.labctl{grid-template-columns:1fr}}dialog.nuccmp{border:1.5px solid var(--ink);width:calc(100vw - 24px);max-width:none;height:calc(100vh - 24px);max-height:none;color:var(--ink);padding:0;overflow:hidden}dialog.nuccmp[open]{grid-template-rows:auto minmax(0,1fr);display:grid}dialog.nuccmp::backdrop{background:#281e0a80}:root[data-theme=chalk] dialog.nuccmp::backdrop{background:#000000a6}.nuccmp .simmodal-head{flex-wrap:wrap}.nc-body{grid-template-columns:minmax(0,1fr) 380px;gap:16px;min-height:0;padding:12px 14px 14px;display:grid}.nc-stage{border:1.6px solid var(--ink);cursor:grab;touch-action:none;background-color:var(--paper);background-image:linear-gradient(var(--rule) 1px, transparent 1px), linear-gradient(90deg, var(--rule) 1px, transparent 1px);background-size:20px 20px;border-radius:6px 3px 7px 4px;min-height:0;position:relative;overflow:hidden}.nc-stage canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.nc-lab{background:var(--paper);border:1.4px solid var(--ink);pointer-events:none;border-radius:5px 3px 6px 4px;gap:2px;max-width:46%;padding:8px 10px;font-size:13.5px;display:grid;position:absolute;top:10px}.nc-a{left:10px}.nc-b{text-align:right;justify-items:end;right:10px}.nc-name{font:700 1.8rem/1 var(--f-hand)}.nc-badges{flex-wrap:wrap;gap:4px;margin-top:3px;display:flex}.nc-b .nc-badges{justify-content:flex-end}.nb{font:700 12px var(--f-mono);color:#1f2430;border-radius:3px;padding:1px 6px}.nb.xn{background:#2fd36b}.nb.xp{background:#ff9a1f}.nb.xe{background:#cfa6ff}.nc-key{background:var(--paper);pointer-events:none;border-radius:4px;flex-wrap:wrap;gap:4px 12px;padding:4px 8px;font-size:13px;display:flex;position:absolute;bottom:8px;left:10px}.nc-key span{align-items:center;display:inline-flex}.nc-fallback{text-align:center;position:absolute;inset:auto 20px 50%}.nc-side{align-content:start;gap:12px;min-height:0;display:grid;overflow:auto}.nc-rel{margin:0;font-size:15.5px;line-height:1.45}.nc-diff{font-size:14px}.nc-diff td,.nc-diff th{padding-right:8px}.nc-diff tr.chg td{background:#ffdd302e}.nc-diff tr.xn.chg td:first-child{box-shadow:inset 4px 0 #2fd36b}.nc-diff tr.xp.chg td:first-child{box-shadow:inset 4px 0 #ff9a1f}.nc-diff tr.xe.chg td:first-child{box-shadow:inset 4px 0 #b56cff}.nc-diff b.up{color:var(--sk-green)}.nc-diff b.down{color:var(--sk-red)}@media (width<=900px){.nc-body{grid-template-columns:minmax(0,1fr);overflow:auto}.nc-stage{height:58vh}.nc-lab{max-width:48%;font-size:12px}.nc-name{font-size:1.4rem}}@media (width<=700px){.nuccmp .simmodal-head h2{flex:100%}}:root{--logo-tile:#f6e6a2;--logo-orbit:var(--sk-blue)}:root[data-theme=chalk]{--logo-tile:#4a5a3e}.brandrow{align-items:center;gap:10px;display:flex}.logolink{color:var(--ink);flex:none;transition:transform .15s;display:inline-flex}.logolink:hover{transform:rotate(-4deg)scale(1.06)}.logo{color:var(--ink);display:block;overflow:visible}.ghlink{align-items:center;gap:6px;display:inline-flex}.ghlink.is-empty{opacity:.55;cursor:default}.ghlink.is-empty:hover{box-shadow:none;transform:none}.site-foot .row{align-items:center}.foot-brand{align-items:center;gap:10px;display:flex}.foot-brand>div{gap:1px;display:grid}.foot-brand b{font:700 1.3rem/1 var(--f-hand);color:var(--ink)}.foot-nav{flex-wrap:wrap;align-items:center;gap:6px 16px;display:flex}.foot-nav .ghlink{gap:4px}.foot-small{margin:0;font-size:13px}.contact-done p{margin:0 0 4px}.contact-done #contact-done-more{font:400 15px/1.4 var(--f-body);color:var(--ink)}@media (prefers-reduced-motion:reduce){.logolink{transition:none}}