.landing{background:radial-gradient(1100px 620px at 50% 118%, #9a6bff4d, transparent 62%), radial-gradient(760px 420px at 12% -8%, #5ff4ff24, transparent 60%), radial-gradient(760px 420px at 88% -8%, #ff4fd824, transparent 60%), var(--bg-deep);place-items:center;min-height:100%;padding:24px;display:grid;position:relative;overflow:hidden}.landing__horizon{pointer-events:none;z-index:1;height:32vh;min-height:180px;position:absolute;bottom:0;left:0;right:0}.landing__horizon:after{content:"";background:linear-gradient(90deg, transparent, var(--cyan) 22%, #fff 50%, var(--magenta) 78%, transparent);opacity:.9;height:1px;position:absolute;top:0;left:0;right:0;box-shadow:0 0 14px 2px #5ff4ff8c,0 0 40px 6px #ff4fd84d}.landing__sun{aspect-ratio:1;background:linear-gradient(180deg, #fff2c4 0%, var(--amber) 26%, #ff7a5c 56%, var(--magenta) 82%);-webkit-mask-composite:source-in;filter:drop-shadow(0 0 40px #ff7a5c8c);opacity:.92;border-radius:50%;width:min(620px,94vw);position:absolute;top:0;left:50%;translate:-50% -50%;-webkit-mask-image:linear-gradient(#000 0 50%,#0000 50%),repeating-linear-gradient(#000 0 20px,#0000 20px 30px);mask-image:linear-gradient(#000 0 50%,#0000 50%),repeating-linear-gradient(#000 0 20px,#0000 20px 30px);-webkit-mask-composite:source-in;mask-composite:intersect}.landing__grid{transform-origin:50% 0;background-image:linear-gradient(90deg,#5ff4ff6b 1px,#0000 1px),linear-gradient(#ff4fd857 1px,#0000 1px);background-size:64px 34px;animation:5.5s linear infinite grid-run;position:absolute;inset:0 -60% -2vh;transform:perspective(260px)rotateX(74deg);-webkit-mask-image:linear-gradient(#0000 0%,#000 16% 100%);mask-image:linear-gradient(#0000 0%,#000 16% 100%)}@keyframes grid-run{0%{background-position-y:0}to{background-position-y:34px}}.landing__scan{pointer-events:none;z-index:3;mix-blend-mode:multiply;opacity:.5;background:repeating-linear-gradient(#00000038 0 1px,#0000 1px 3px);position:absolute;inset:0}.landing__vignette{pointer-events:none;z-index:2;background:radial-gradient(120% 90%,#0000 52%,#000000b8 100%);position:absolute;inset:0}.gate{z-index:4;text-align:center;border:1px solid var(--line-bright);border-radius:var(--r-lg);-webkit-backdrop-filter:blur(9px);backdrop-filter:blur(9px);background:linear-gradient(#13132aed,#06060eed);width:100%;max-width:440px;padding:40px 34px 32px;position:relative;box-shadow:inset 0 0 0 1px #5ff4ff1a,0 28px 80px #000000b8,0 0 46px #9a6bff29}.gate:before,.gate:after{content:"";pointer-events:none;width:16px;height:16px;position:absolute}.gate:before{border-top:2px solid var(--cyan);border-left:2px solid var(--cyan);top:9px;left:9px}.gate:after{border-bottom:2px solid var(--magenta);border-right:2px solid var(--magenta);bottom:9px;right:9px}.gate__eyebrow{font-family:var(--font-mono);letter-spacing:.34em;text-transform:uppercase;color:var(--cyan-dim);margin:0 0 18px;font-size:10px}.gate__eyebrow .dot{background:var(--green);width:6px;height:6px;box-shadow:0 0 9px var(--green);vertical-align:middle;border-radius:50%;margin-right:8px;animation:2.1s ease-in-out infinite pulse;display:inline-block}@keyframes pulse{0%,to{opacity:1}50%{opacity:.28}}.gate__title{font-family:var(--font-display);letter-spacing:.085em;text-transform:uppercase;background:linear-gradient(180deg, #fff 4%, var(--cyan) 42%, var(--violet) 78%, var(--magenta) 100%);-webkit-text-fill-color:transparent;color:#0000;filter:drop-shadow(0 0 16px #5ff4ff6b);-webkit-background-clip:text;background-clip:text;margin:0;font-size:clamp(30px,8.2vw,46px);font-weight:800;line-height:1.02}.gate__rule{background:linear-gradient(90deg, transparent, var(--cyan), var(--magenta), transparent);width:72px;height:2px;box-shadow:var(--glow-cyan);border:0;border-radius:2px;margin:18px auto 16px}.gate__sub{max-width:31ch;color:var(--text-dim);margin:0 auto 26px;font-size:13.5px}.btn{width:100%;font-family:var(--font-body);letter-spacing:.035em;color:var(--text);background:var(--surface-2);border:1px solid var(--line-bright);border-radius:var(--r);cursor:pointer;justify-content:center;align-items:center;gap:10px;padding:13px 18px;font-size:14.5px;font-weight:600;transition:border-color .16s,box-shadow .16s,transform 80ms,background .16s;display:inline-flex}.btn:hover:not(:disabled){border-color:var(--cyan);box-shadow:var(--glow-cyan);background:var(--surface-3)}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.btn--primary{color:#05060f;background:linear-gradient(135deg, var(--cyan), #8fd0ff 46%, var(--magenta));border-color:#0000;font-weight:700;box-shadow:0 0 22px #5ff4ff4d}.btn--primary:hover:not(:disabled){background:linear-gradient(135deg,#7ff8ff,#a7dcff 46%,#ff6fe0);box-shadow:0 0 34px #5ff4ff80}.gate__divider{font-family:var(--font-mono);letter-spacing:.26em;text-transform:uppercase;color:var(--text-faint);align-items:center;gap:12px;margin:20px 0 16px;font-size:10px;display:flex}.gate__divider:before,.gate__divider:after{content:"";background:var(--line);flex:1;height:1px}.field{text-align:left;margin-bottom:13px}.field label{font-family:var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--text-faint);margin-bottom:6px;font-size:9.5px;display:block}.field input{width:100%;font-family:var(--font-mono);color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:11px 13px;font-size:14px;transition:border-color .16s,box-shadow .16s}.field input:focus{border-color:var(--cyan);outline:none;box-shadow:0 0 0 3px #5ff4ff24}.field input::placeholder{color:var(--text-faint)}.gate__error{font-family:var(--font-mono);text-align:left;color:#ffd9de;border-radius:var(--r-sm);background:#ff5c6c1a;border:1px solid #ff5c6c6b;border-left-width:3px;margin:14px 0 0;padding:10px 12px;font-size:12px}.gate__foot{font-family:var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--text-faint);margin:24px 0 0;font-size:9.5px}.linkbtn{font-family:var(--font-mono);letter-spacing:.1em;color:var(--cyan-dim);cursor:pointer;background:0 0;border:0;padding:0;font-size:11px;text-decoration:underline}.linkbtn:hover{color:var(--cyan)}@media (width<=420px){.gate{padding:32px 22px 26px}}.unit-head{font-family:var(--font-display);letter-spacing:.2em;text-transform:uppercase;color:var(--magenta);margin:0 0 4px;font-size:12px}.unit-sub{color:var(--text-faint);margin:0 0 18px;font-size:13px}.topiclist{gap:10px;display:grid}.topicrow{color:inherit;border:1px solid var(--line);border-left:3px solid var(--cyan-dim);border-radius:var(--r);background:var(--surface);align-items:center;gap:14px;padding:14px 16px;text-decoration:none;transition:border-color .14s,box-shadow .14s,transform 80ms,background .14s;display:flex}.topicrow:hover{background:var(--surface-2);border-color:var(--line-bright);border-left-color:var(--cyan);text-decoration:none;transform:translate(2px);box-shadow:0 0 20px #5ff4ff1a}.topicrow:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.topicrow__id{min-width:46px;font-family:var(--font-mono);color:var(--cyan);flex:none;font-size:15px;font-weight:500}.topicrow__body{flex:1;min-width:0}.topicrow__title{font-size:15px;font-weight:600;display:block}.topicrow__meta{color:var(--text-faint);margin-top:2px;font-size:12px;display:block}.topicrow__go{color:var(--text-faint);flex:none;font-size:17px}.crumb{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin:0 0 14px;font-size:11px}.crumb a{color:var(--cyan-dim)}.topic__id{font-family:var(--font-mono);border:1px solid var(--cyan);color:var(--cyan);border-radius:99px;margin-bottom:8px;padding:3px 10px;font-size:12px;display:inline-block}.topic__title{font-family:var(--font-display);letter-spacing:.02em;margin:0 0 20px;font-size:clamp(20px,3.4vw,28px);font-weight:700}.sec{margin:0 0 32px}.sec>h2{font-family:var(--font-display);letter-spacing:.17em;text-transform:uppercase;color:var(--magenta);border-bottom:1px solid var(--line);margin:0 0 12px;padding-bottom:7px;font-size:12.5px}.prose{color:var(--text);font-size:15.5px;line-height:1.68}.prose--dim{color:var(--text-dim)}.facts{gap:9px;margin:0;padding:0;list-style:none;display:grid}.facts li{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:9px 12px 9px 30px;font-size:14.5px;position:relative}.facts li:before{content:"▸";color:var(--cyan);position:absolute;top:9px;left:11px}.example{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);margin-bottom:14px;padding:16px}.example__q{margin:0 0 12px;font-size:15px;font-weight:600}.example__steps{color:var(--text-dim);gap:7px;margin:0 0 12px;padding-left:22px;font-size:14.5px;display:grid}.example__steps li::marker{color:var(--cyan-dim);font-family:var(--font-mono)}.example__a{border-left:3px solid var(--green);border-radius:var(--r-sm);background:#4bffa512;margin:0;padding:9px 12px;font-size:14.5px}.example__a b{color:var(--green);font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;margin-bottom:3px;font-size:10px;display:block}.example__work{border-left:3px solid var(--cyan-dim);border-radius:var(--r-sm);background:#5ff4ff0d;margin:0 0 10px;padding:9px 12px;font-size:14.5px}.example__work b{color:var(--cyan);font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;margin-bottom:6px;font-size:10px;display:block}.example__work .example__steps{margin:0}.example__work:not(.is-revealed) .example__steps{max-height:4.6em;overflow:hidden}.err{border:1px solid var(--line);border-left:3px solid var(--red);border-radius:var(--r-sm);background:var(--surface);margin-bottom:10px;padding:13px 15px}.err__bad{margin:0 0 6px;font-size:14.5px;font-weight:600}.err__bad:before{content:"✕ ";color:var(--red)}.err__fix{color:var(--text-dim);margin:0;font-size:14px}.err__fix:before{content:"→ ";color:var(--green)}.callout{border:1px solid var(--line-bright);border-left:3px solid var(--amber);border-radius:var(--r-sm);color:var(--text-dim);background:#ffb6480f;padding:12px 15px;font-size:14px}.callout b{color:var(--amber)}.lo{margin-bottom:14px}.lo__id{font-family:var(--font-mono);color:var(--violet);font-size:12px}.lo__text{margin:3px 0 8px;font-size:14.5px}.lo__eks{color:var(--text-dim);gap:6px;margin:0;padding-left:18px;font-size:13.5px;display:grid}.lo__eks code{color:var(--violet);font-size:11.5px}@media print{.topicrow,.sec>h2,.example,.err,.facts li{break-inside:avoid}.sec>h2{color:#000!important}.topic__id{color:#000;border-color:#000}}.example__n{font-family:var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--cyan-dim);margin:0 0 6px;font-size:10px}.example__reveal{text-align:left;width:100%;font:inherit;color:var(--text);cursor:pointer;border-top:0;border-bottom:0;border-right:0;display:block;position:relative}.example__reveal:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.example__answer{transition:filter .2s,opacity .2s;display:block}.example__reveal:not(.is-revealed) .example__answer{filter:blur(7px)grayscale();opacity:.45;-webkit-user-select:none;user-select:none}.example__reveal:not(.is-revealed){border-left-color:var(--line-bright);background:var(--surface-2)}.example__reveal:not(.is-revealed) b{color:var(--text-faint)}.example__reveal:not(.is-revealed):hover{background:var(--surface-3)}.example__hint{pointer-events:none;font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);font-size:10.5px;position:absolute;top:50%;right:12px;translate:0 -50%}@media print{.example__answer{filter:none!important;opacity:1!important}.example__work .example__steps{max-height:none!important;overflow:visible!important}.example__hint{display:none}}@font-face{font-display:block;font-family:KaTeX_AMS;font-style:normal;font-weight:400;src:url(/assets/KaTeX_AMS-Regular-BQhdFMY1.woff2)format("woff2"),url(/assets/KaTeX_AMS-Regular-DMm9YOAa.woff)format("woff"),url(/assets/KaTeX_AMS-Regular-DRggAlZN.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Caligraphic-Bold-Dq_IR9rO.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Bold-BEiXGLvX.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Bold-ATXxdsX0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Caligraphic;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Caligraphic-Regular-Di6jR-x-.woff2)format("woff2"),url(/assets/KaTeX_Caligraphic-Regular-CTRA-rTL.woff)format("woff"),url(/assets/KaTeX_Caligraphic-Regular-wX97UBjC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Fraktur-Bold-CL6g_b3V.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Bold-BsDP51OF.woff)format("woff"),url(/assets/KaTeX_Fraktur-Bold-BdnERNNW.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Fraktur;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Fraktur-Regular-CTYiF6lA.woff2)format("woff2"),url(/assets/KaTeX_Fraktur-Regular-Dxdc4cR9.woff)format("woff"),url(/assets/KaTeX_Fraktur-Regular-CB_wures.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:700;src:url(/assets/KaTeX_Main-Bold-Cx986IdX.woff2)format("woff2"),url(/assets/KaTeX_Main-Bold-Jm3AIy58.woff)format("woff"),url(/assets/KaTeX_Main-Bold-waoOVXN0.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Main-BoldItalic-DxDJ3AOS.woff2)format("woff2"),url(/assets/KaTeX_Main-BoldItalic-SpSLRI95.woff)format("woff"),url(/assets/KaTeX_Main-BoldItalic-DzxPMmG6.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Main-Italic-NWA7e6Wa.woff2)format("woff2"),url(/assets/KaTeX_Main-Italic-BMLOBm91.woff)format("woff"),url(/assets/KaTeX_Main-Italic-3WenGoN9.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Main;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Main-Regular-B22Nviop.woff2)format("woff2"),url(/assets/KaTeX_Main-Regular-Dr94JaBh.woff)format("woff"),url(/assets/KaTeX_Main-Regular-ypZvNtVU.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:700;src:url(/assets/KaTeX_Math-BoldItalic-CZnvNsCZ.woff2)format("woff2"),url(/assets/KaTeX_Math-BoldItalic-iY-2wyZ7.woff)format("woff"),url(/assets/KaTeX_Math-BoldItalic-B3XSjfu4.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Math;font-style:italic;font-weight:400;src:url(/assets/KaTeX_Math-Italic-t53AETM-.woff2)format("woff2"),url(/assets/KaTeX_Math-Italic-DA0__PXp.woff)format("woff"),url(/assets/KaTeX_Math-Italic-flOr_0UB.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:700;src:url(/assets/KaTeX_SansSerif-Bold-D1sUS0GD.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Bold-DbIhKOiC.woff)format("woff"),url(/assets/KaTeX_SansSerif-Bold-CFMepnvq.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:italic;font-weight:400;src:url(/assets/KaTeX_SansSerif-Italic-C3H0VqGB.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Italic-DN2j7dab.woff)format("woff"),url(/assets/KaTeX_SansSerif-Italic-YYjJ1zSn.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_SansSerif;font-style:normal;font-weight:400;src:url(/assets/KaTeX_SansSerif-Regular-DDBCnlJ7.woff2)format("woff2"),url(/assets/KaTeX_SansSerif-Regular-CS6fqUqJ.woff)format("woff"),url(/assets/KaTeX_SansSerif-Regular-BNo7hRIc.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Script;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Script-Regular-D3wIWfF6.woff2)format("woff2"),url(/assets/KaTeX_Script-Regular-D5yQViql.woff)format("woff"),url(/assets/KaTeX_Script-Regular-C5JkGWo-.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size1;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size1-Regular-mCD8mA8B.woff2)format("woff2"),url(/assets/KaTeX_Size1-Regular-C195tn64.woff)format("woff"),url(/assets/KaTeX_Size1-Regular-Dbsnue_I.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size2;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size2-Regular-Dy4dx90m.woff2)format("woff2"),url(/assets/KaTeX_Size2-Regular-oD1tc_U0.woff)format("woff"),url(/assets/KaTeX_Size2-Regular-B7gKUWhC.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size3;font-style:normal;font-weight:400;src:url(data:font/woff2;base64,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)format("woff2"),url(/assets/KaTeX_Size3-Regular-CTq5MqoE.woff)format("woff"),url(/assets/KaTeX_Size3-Regular-DgpXs0kz.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Size4;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Size4-Regular-Dl5lxZxV.woff2)format("woff2"),url(/assets/KaTeX_Size4-Regular-BF-4gkZK.woff)format("woff"),url(/assets/KaTeX_Size4-Regular-DWFBv043.ttf)format("truetype")}@font-face{font-display:block;font-family:KaTeX_Typewriter;font-style:normal;font-weight:400;src:url(/assets/KaTeX_Typewriter-Regular-CO6r4hn1.woff2)format("woff2"),url(/assets/KaTeX_Typewriter-Regular-C0xS9mPB.woff)format("woff"),url(/assets/KaTeX_Typewriter-Regular-D3Ib7_Hf.ttf)format("truetype")}.katex{text-indent:0;text-rendering:auto;font:1.21em/1.2 KaTeX_Main,math,Times New Roman,serif;position:relative}.katex *{border-color:currentColor;-ms-high-contrast-adjust:none!important}.katex .katex-version:after{content:"0.19.0"}.katex .katex-mathml{clip-path:inset(50%);border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{white-space:nowrap;width:min-content;position:relative}.katex .katex-base,.katex .katex-strut{display:inline-block}.katex .textbf{font-weight:700}.katex .textit{font-style:italic}.katex .textrm{font-family:KaTeX_Main}.katex .textsf{font-family:KaTeX_SansSerif}.katex .texttt{font-family:KaTeX_Typewriter}.katex .mathnormal{font-family:KaTeX_Math;font-style:italic}.katex .mathit{font-family:KaTeX_Main;font-style:italic}.katex .mathrm{font-style:normal}.katex .mathbf{font-family:KaTeX_Main;font-weight:700}.katex .boldsymbol{font-family:KaTeX_Math;font-style:italic;font-weight:700}.katex .amsrm,.katex .mathbb,.katex .textbb{font-family:KaTeX_AMS}.katex .mathcal{font-family:KaTeX_Caligraphic}.katex .mathfrak,.katex .textfrak{font-family:KaTeX_Fraktur}.katex .mathboldfrak,.katex .textboldfrak{font-family:KaTeX_Fraktur;font-weight:700}.katex .mathtt{font-family:KaTeX_Typewriter}.katex .mathscr,.katex .textscr{font-family:KaTeX_Script}.katex .mathsf,.katex .textsf{font-family:KaTeX_SansSerif}.katex .mathboldsf,.katex .textboldsf{font-family:KaTeX_SansSerif;font-weight:700}.katex .mathitsf,.katex .mathsfit,.katex .textitsf{font-family:KaTeX_SansSerif;font-style:italic}.katex .mainrm{font-family:KaTeX_Main;font-style:normal}.katex .vlist-t{border-collapse:collapse;table-layout:fixed;display:inline-table}.katex .vlist-r{display:table-row}.katex .vlist{vertical-align:bottom;display:table-cell;position:relative}.katex .vlist>span{height:0;display:block;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{width:0;overflow:hidden}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{vertical-align:bottom;width:2px;min-width:2px;font-size:1px;display:table-cell}.katex .katex-vbox{flex-direction:column;align-items:baseline;display:inline-flex}.katex .katex-thinbox{flex-direction:row;width:0;max-width:0;display:inline-flex}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline,.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-rule,.katex .katex-underline .underline-line,.katex .mfrac .frac-line{min-height:1px}.katex .mspace{display:inline-block}.katex .katex-smash{line-height:0;display:inline}.katex .clap,.katex .llap,.katex .rlap{width:0;position:relative}.katex .clap>.katex-inner,.katex .llap>.katex-inner,.katex .rlap>.katex-inner{position:absolute}.katex .clap>.katex-fix,.katex .llap>.katex-fix,.katex .rlap>.katex-fix{display:inline-block}.katex .llap>.katex-inner{right:0}.katex .clap>.katex-inner,.katex .rlap>.katex-inner{left:0}.katex .clap>.katex-inner>span{margin-left:-50%;margin-right:50%}.katex .katex-rule{border:0 solid;display:inline-block;position:relative}.katex .katex-hline,.katex .katex-overline .overline-line,.katex .katex-underline .underline-line{border-bottom-style:solid;width:100%;display:inline-block}.katex .katex-hdashline{border-bottom-style:dashed;width:100%;display:inline-block}.katex .sqrt>.katex-root{margin-left:.277778em;margin-right:-.555556em}.katex .fontsize-ensurer.reset-size1.size1,.katex .katex-sizing.reset-size1.size1{font-size:1em}.katex .fontsize-ensurer.reset-size1.size2,.katex .katex-sizing.reset-size1.size2{font-size:1.2em}.katex .fontsize-ensurer.reset-size1.size3,.katex .katex-sizing.reset-size1.size3{font-size:1.4em}.katex .fontsize-ensurer.reset-size1.size4,.katex .katex-sizing.reset-size1.size4{font-size:1.6em}.katex .fontsize-ensurer.reset-size1.size5,.katex .katex-sizing.reset-size1.size5{font-size:1.8em}.katex .fontsize-ensurer.reset-size1.size6,.katex .katex-sizing.reset-size1.size6{font-size:2em}.katex .fontsize-ensurer.reset-size1.size7,.katex .katex-sizing.reset-size1.size7{font-size:2.4em}.katex .fontsize-ensurer.reset-size1.size8,.katex .katex-sizing.reset-size1.size8{font-size:2.88em}.katex .fontsize-ensurer.reset-size1.size9,.katex .katex-sizing.reset-size1.size9{font-size:3.456em}.katex .fontsize-ensurer.reset-size1.size10,.katex .katex-sizing.reset-size1.size10{font-size:4.148em}.katex .fontsize-ensurer.reset-size1.size11,.katex .katex-sizing.reset-size1.size11{font-size:4.976em}.katex .fontsize-ensurer.reset-size2.size1,.katex .katex-sizing.reset-size2.size1{font-size:.833333em}.katex .fontsize-ensurer.reset-size2.size2,.katex .katex-sizing.reset-size2.size2{font-size:1em}.katex .fontsize-ensurer.reset-size2.size3,.katex .katex-sizing.reset-size2.size3{font-size:1.16667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.33333em}.katex .fontsize-ensurer.reset-size2.size5,.katex .katex-sizing.reset-size2.size5{font-size:1.5em}.katex .fontsize-ensurer.reset-size2.size6,.katex .katex-sizing.reset-size2.size6{font-size:1.66667em}.katex .fontsize-ensurer.reset-size2.size7,.katex .katex-sizing.reset-size2.size7{font-size:2em}.katex .fontsize-ensurer.reset-size2.size8,.katex .katex-sizing.reset-size2.size8{font-size:2.4em}.katex .fontsize-ensurer.reset-size2.size9,.katex .katex-sizing.reset-size2.size9{font-size:2.88em}.katex .fontsize-ensurer.reset-size2.size10,.katex .katex-sizing.reset-size2.size10{font-size:3.45667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.14667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.714286em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.857143em}.katex .fontsize-ensurer.reset-size3.size3,.katex .katex-sizing.reset-size3.size3{font-size:1em}.katex .fontsize-ensurer.reset-size3.size4,.katex .katex-sizing.reset-size3.size4{font-size:1.14286em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.28571em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.42857em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.71429em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.05714em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.46857em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.96286em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.55429em}.katex .fontsize-ensurer.reset-size4.size1,.katex .katex-sizing.reset-size4.size1{font-size:.625em}.katex .fontsize-ensurer.reset-size4.size2,.katex .katex-sizing.reset-size4.size2{font-size:.75em}.katex .fontsize-ensurer.reset-size4.size3,.katex .katex-sizing.reset-size4.size3{font-size:.875em}.katex .fontsize-ensurer.reset-size4.size4,.katex .katex-sizing.reset-size4.size4{font-size:1em}.katex .fontsize-ensurer.reset-size4.size5,.katex .katex-sizing.reset-size4.size5{font-size:1.125em}.katex .fontsize-ensurer.reset-size4.size6,.katex .katex-sizing.reset-size4.size6{font-size:1.25em}.katex .fontsize-ensurer.reset-size4.size7,.katex .katex-sizing.reset-size4.size7{font-size:1.5em}.katex .fontsize-ensurer.reset-size4.size8,.katex .katex-sizing.reset-size4.size8{font-size:1.8em}.katex .fontsize-ensurer.reset-size4.size9,.katex .katex-sizing.reset-size4.size9{font-size:2.16em}.katex .fontsize-ensurer.reset-size4.size10,.katex .katex-sizing.reset-size4.size10{font-size:2.5925em}.katex .fontsize-ensurer.reset-size4.size11,.katex .katex-sizing.reset-size4.size11{font-size:3.11em}.katex .fontsize-ensurer.reset-size5.size1,.katex .katex-sizing.reset-size5.size1{font-size:.555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.888889em}.katex .fontsize-ensurer.reset-size5.size5,.katex .katex-sizing.reset-size5.size5{font-size:1em}.katex .fontsize-ensurer.reset-size5.size6,.katex .katex-sizing.reset-size5.size6{font-size:1.11111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.33333em}.katex .fontsize-ensurer.reset-size5.size8,.katex .katex-sizing.reset-size5.size8{font-size:1.6em}.katex .fontsize-ensurer.reset-size5.size9,.katex .katex-sizing.reset-size5.size9{font-size:1.92em}.katex .fontsize-ensurer.reset-size5.size10,.katex .katex-sizing.reset-size5.size10{font-size:2.30444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.76444em}.katex .fontsize-ensurer.reset-size6.size1,.katex .katex-sizing.reset-size6.size1{font-size:.5em}.katex .fontsize-ensurer.reset-size6.size2,.katex .katex-sizing.reset-size6.size2{font-size:.6em}.katex .fontsize-ensurer.reset-size6.size3,.katex .katex-sizing.reset-size6.size3{font-size:.7em}.katex .fontsize-ensurer.reset-size6.size4,.katex .katex-sizing.reset-size6.size4{font-size:.8em}.katex .fontsize-ensurer.reset-size6.size5,.katex .katex-sizing.reset-size6.size5{font-size:.9em}.katex .fontsize-ensurer.reset-size6.size6,.katex .katex-sizing.reset-size6.size6{font-size:1em}.katex .fontsize-ensurer.reset-size6.size7,.katex .katex-sizing.reset-size6.size7{font-size:1.2em}.katex .fontsize-ensurer.reset-size6.size8,.katex .katex-sizing.reset-size6.size8{font-size:1.44em}.katex .fontsize-ensurer.reset-size6.size9,.katex .katex-sizing.reset-size6.size9{font-size:1.728em}.katex .fontsize-ensurer.reset-size6.size10,.katex .katex-sizing.reset-size6.size10{font-size:2.074em}.katex .fontsize-ensurer.reset-size6.size11,.katex .katex-sizing.reset-size6.size11{font-size:2.488em}.katex .fontsize-ensurer.reset-size7.size1,.katex .katex-sizing.reset-size7.size1{font-size:.416667em}.katex .fontsize-ensurer.reset-size7.size2,.katex .katex-sizing.reset-size7.size2{font-size:.5em}.katex .fontsize-ensurer.reset-size7.size3,.katex .katex-sizing.reset-size7.size3{font-size:.583333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.666667em}.katex .fontsize-ensurer.reset-size7.size5,.katex .katex-sizing.reset-size7.size5{font-size:.75em}.katex .fontsize-ensurer.reset-size7.size6,.katex .katex-sizing.reset-size7.size6{font-size:.833333em}.katex .fontsize-ensurer.reset-size7.size7,.katex .katex-sizing.reset-size7.size7{font-size:1em}.katex .fontsize-ensurer.reset-size7.size8,.katex .katex-sizing.reset-size7.size8{font-size:1.2em}.katex .fontsize-ensurer.reset-size7.size9,.katex .katex-sizing.reset-size7.size9{font-size:1.44em}.katex .fontsize-ensurer.reset-size7.size10,.katex .katex-sizing.reset-size7.size10{font-size:1.72833em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.07333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.347222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.416667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.486111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.555556em}.katex .fontsize-ensurer.reset-size8.size5,.katex .katex-sizing.reset-size8.size5{font-size:.625em}.katex .fontsize-ensurer.reset-size8.size6,.katex .katex-sizing.reset-size8.size6{font-size:.694444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.833333em}.katex .fontsize-ensurer.reset-size8.size8,.katex .katex-sizing.reset-size8.size8{font-size:1em}.katex .fontsize-ensurer.reset-size8.size9,.katex .katex-sizing.reset-size8.size9{font-size:1.2em}.katex .fontsize-ensurer.reset-size8.size10,.katex .katex-sizing.reset-size8.size10{font-size:1.44028em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.72778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.289352em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.347222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.405093em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.520833em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.578704em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.694444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.833333em}.katex .fontsize-ensurer.reset-size9.size9,.katex .katex-sizing.reset-size9.size9{font-size:1em}.katex .fontsize-ensurer.reset-size9.size10,.katex .katex-sizing.reset-size9.size10{font-size:1.20023em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.43981em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.24108em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.289296em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.385728em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.433944em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.48216em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.578592em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.694311em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.833173em}.katex .fontsize-ensurer.reset-size10.size10,.katex .katex-sizing.reset-size10.size10{font-size:1em}.katex .fontsize-ensurer.reset-size10.size11,.katex .katex-sizing.reset-size10.size11{font-size:1.19961em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.200965em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.241158em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.281351em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.321543em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.361736em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.401929em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.482315em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.694534em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.833601em}.katex .fontsize-ensurer.reset-size11.size11,.katex .katex-sizing.reset-size11.size11{font-size:1em}.katex .delimsizing.size1{font-family:KaTeX_Size1}.katex .delimsizing.size2{font-family:KaTeX_Size2}.katex .delimsizing.size3{font-family:KaTeX_Size3}.katex .delimsizing.size4{font-family:KaTeX_Size4}.katex .delimsizing.mult .delim-size1>span{font-family:KaTeX_Size1}.katex .delimsizing.mult .delim-size4>span{font-family:KaTeX_Size4}.katex .nulldelimiter{width:.12em;display:inline-block}.katex .delimcenter,.katex .op-symbol{position:relative}.katex .op-symbol.small-op{font-family:KaTeX_Size1}.katex .op-symbol.large-op{font-family:KaTeX_Size2}.katex .katex-accent>.vlist-t,.katex .op-limits>.vlist-t{text-align:center}.katex .katex-accent .accent-body{position:relative}.katex .katex-accent .accent-body:not(.accent-full){width:0}.katex .katex-overlay{display:block}.katex .mtable .vertical-separator{min-width:1px;display:inline-block}.katex .mtable .arraycolsep{display:inline-block}.katex .mtable .col-align-c>.vlist-t{text-align:center}.katex .mtable .col-align-l>.vlist-t{text-align:left}.katex .mtable .col-align-r>.vlist-t{text-align:right}.katex .svg-align{text-align:left}.katex svg{fill:currentColor;stroke:currentColor;height:inherit;width:100%;display:block;position:absolute}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;min-width:0;max-width:none;min-height:0;max-height:none}.katex .katex-stretchy{width:100%;display:block;position:relative;overflow:hidden}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{width:100%;position:relative;overflow:hidden}.katex .halfarrow-left{width:50.2%;position:absolute;left:0;overflow:hidden}.katex .halfarrow-right{width:50.2%;position:absolute;right:0;overflow:hidden}.katex .brace-left{width:25.1%;position:absolute;left:0;overflow:hidden}.katex .brace-center{width:50%;position:absolute;left:25%;overflow:hidden}.katex .brace-right{width:25.1%;position:absolute;right:0;overflow:hidden}.katex .x-arrow-pad{padding:0 .5em}.katex .cd-arrow-pad{padding:0 .55556em 0 .27778em}.katex .mover,.katex .munder,.katex .x-arrow{text-align:center}.katex .boxpad{padding:0 .3em}.katex .fbox,.katex .fcolorbox{box-sizing:border-box;border:.04em solid}.katex .cancel-pad{padding:0 .2em}.katex .cancel-lap{margin-left:-.2em;margin-right:-.2em}.katex .katex-sout{border-bottom-style:solid;border-bottom-width:.08em}.katex .angl{box-sizing:border-box;border-top:.049em solid;border-right:.049em solid;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.katex .reflectbox{display:inline-block;transform:scaleX(-1)}.katex .eqn-num:before{content:"(" counter(katexEqnNo) ")";counter-increment:katexEqnNo}.katex .mml-eqn-num:before{content:"(" counter(mmlEqnNo) ")";counter-increment:mmlEqnNo}.katex .mtr-glue{width:50%}.katex .cd-vert-arrow{display:inline-block;position:relative}.katex .cd-label-left{text-align:left;display:inline-block;position:absolute;right:calc(50% + .3em)}.katex .cd-label-right{text-align:right;display:inline-block;position:absolute;left:calc(50% + .3em)}.katex-display{text-align:center;margin:1em 0;display:block}.katex-display>.katex{text-align:center;white-space:nowrap;display:block}.katex-display>.katex>.katex-html{display:block;position:relative}.katex-display>.katex>.katex-html>.katex-tag{position:absolute;right:0}.katex-display.leqno>.katex>.katex-html>.katex-tag{left:0;right:auto}.katex-display.fleqn>.katex{text-align:left;padding-left:2em}body{counter-reset:katexEqnNo mmlEqnNo}.pdf{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);overflow:hidden}.pdf__bar{background:var(--surface-2);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:12px;padding:11px 14px;display:flex}.pdf__label{min-width:180px;font-family:var(--font-mono);letter-spacing:.06em;color:var(--text-dim);flex:1;font-size:11.5px}.pdf__actions{gap:8px;display:flex}.pdf__badge{letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--amber);color:var(--amber);border-radius:99px;margin-left:9px;padding:2px 7px;font-size:9px;display:inline-block}.pdf__note{color:var(--amber);border-bottom:1px solid var(--line);background:#ffb64812;margin:0;padding:9px 14px;font-size:12.5px}.pdf__pages{background:var(--bg-deep);gap:10px;padding:12px;display:grid}.pdfpage{border-radius:var(--r-sm);background:#fff;display:block;box-shadow:0 2px 14px #00000080}.pdf__status{text-align:center;font-family:var(--font-mono);color:var(--text-faint);margin:0;padding:22px 14px;font-size:12px}.pdf__status--err{color:var(--red)}.pdf__caption{color:var(--text-faint);border-top:1px solid var(--line);margin:0;padding:9px 14px;font-size:11.5px}.pdf__missing{color:var(--text-faint);font-size:13.5px}@media print{.pdf__bar,.pdf__actions{display:none}.pdf__pages{background:#fff;padding:0}.pdfpage{box-shadow:none;break-inside:avoid}}.nt__estimate{border:1px solid var(--line-bright);border-left:3px solid var(--cyan);border-radius:var(--r);background:linear-gradient(135deg,#5ff4ff0f,#9a6bff0d);margin-bottom:26px;padding:20px}.nt__eyebrow{font-family:var(--font-mono);letter-spacing:.24em;text-transform:uppercase;color:var(--cyan-dim);margin:0 0 6px;font-size:10px}.nt__big{font-family:var(--font-display);letter-spacing:.02em;background:linear-gradient(180deg, #fff, var(--cyan) 60%, var(--violet));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 6px;font-size:clamp(22px,4.4vw,32px);font-weight:800}.nt__when{color:var(--text);margin:0 0 14px;font-size:14.5px}.nt__why{color:var(--text-dim);margin:0 0 8px;font-size:13.5px;line-height:1.6}.nt__caveat{color:var(--text-faint);margin:0;font-size:12.5px;font-style:italic}.nt__h2{font-family:var(--font-display);letter-spacing:.17em;text-transform:uppercase;color:var(--magenta);border-bottom:1px solid var(--line);margin:0 0 12px;padding-bottom:7px;font-size:12.5px}.nt__picker{margin-bottom:26px}.nt__selects{flex-wrap:wrap;align-items:flex-end;gap:14px;display:flex}.nt__selects label{flex-direction:column;flex:240px;gap:5px;display:flex}.nt__selects span{font-family:var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--text-faint);font-size:9.5px}.nt__selects select{width:100%;font-family:var(--font-body);color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;font-size:14px}.nt__selects select:focus{border-color:var(--cyan);outline:none;box-shadow:0 0 0 3px #5ff4ff24}.nt__plan{margin-bottom:26px}.nt__exam{text-align:center;font-family:var(--font-mono);letter-spacing:.08em;color:var(--text-dim);border:1px dashed var(--line-bright);border-radius:var(--r);margin:0;padding:13px 15px;font-size:12px}.nt__exam strong{color:var(--amber)}.qg{margin:0 0 16px}.qg__plot{border-radius:var(--r-sm);background:#fff;max-width:560px;padding:6px}.qg__plot .function-plot .axis path,.qg__plot .function-plot .axis line{stroke:#333}.qg__plot text{fill:#222;font-family:var(--font-mono);font-size:11px}.qg__label{font-weight:600;fill:#c22ea4!important;font-size:12px!important}.qg__err{color:var(--red);font-size:12px}.qt{margin:0 0 16px;overflow-x:auto}.qt table{border-collapse:collapse;font-size:14.5px}.qt th,.qt td{border:1px solid var(--line-bright);text-align:center;padding:7px 14px}.qt th{background:var(--surface-2);font-weight:600}@media print{.qt th,.qt td{border-color:#888}}.qg__plot .graph path.line{stroke-width:2.2px}.qg__plot .graph circle{r:4px}.qg__plot .tip,.qg__plot .tip-x-line,.qg__plot .tip-y-line,.qg__plot .inner-tip{display:none!important}.pr__head{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}.pr__count{font-family:var(--font-mono);color:var(--text-faint);font-size:12px}.pr__bar{background:var(--line);border-radius:3px;height:3px;margin:12px 0 20px;overflow:hidden}.pr__bar span{background:linear-gradient(90deg, var(--cyan), var(--magenta));height:100%;transition:width .25s;display:block}.pr__card{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);padding:20px}.pr__tags{gap:8px;margin-bottom:12px;display:flex}.pr__calc,.pr__diff{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--line-bright);color:var(--text-dim);border-radius:99px;padding:2px 9px;font-size:10px}.pr__calc{border-color:var(--red);color:#ffb3bb}.pr__calc.is-calc{border-color:var(--green);color:var(--green)}.pr__stem{margin:0 0 16px;font-size:16.5px;line-height:1.6}.pr__choices{gap:9px;margin-bottom:16px;display:grid}.pr__choice{text-align:left;width:100%;font:inherit;color:var(--text);cursor:pointer;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);align-items:center;gap:12px;padding:12px 14px;font-size:15.5px;transition:border-color .14s,background .14s;display:flex}.pr__choice:hover:not(:disabled){border-color:var(--line-bright);background:var(--surface-2)}.pr__choice:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.pr__choice:disabled{cursor:default}.pr__letter{height:28px;font-family:var(--font-mono);border:1px solid var(--line-bright);color:var(--text-dim);border-radius:50%;flex:0 0 28px;place-items:center;font-size:13px;display:grid}.pr__choice.is-picked{border-color:var(--cyan);background:#5ff4ff12}.pr__choice.is-picked .pr__letter{border-color:var(--cyan);color:var(--cyan)}.pr__choice.is-right{border-color:var(--green);background:#4bffa514}.pr__choice.is-right .pr__letter{border-color:var(--green);color:var(--green)}.pr__choice.is-wrong{border-color:var(--red);background:#ff5c6c14}.pr__choice.is-wrong .pr__letter{border-color:var(--red);color:var(--red)}.pr__choice.is-dim{opacity:.5}.pr__feedback{border-radius:var(--r-sm);border-left:3px solid;padding:14px 16px}.pr__feedback.is-right{border-color:var(--green);background:#4bffa50f}.pr__feedback.is-wrong{border-color:var(--red);background:#ff5c6c0f}.pr__verdict{margin:0 0 8px;font-size:15.5px;font-weight:700}.pr__feedback.is-right .pr__verdict{color:var(--green)}.pr__feedback.is-wrong .pr__verdict{color:#ffb3bb}.pr__why{color:var(--text);margin:0 0 12px;font-size:14.5px}.pr__score{align-items:baseline;gap:16px;margin:0 0 26px;display:flex}.pr__big{font-family:var(--font-display);color:var(--cyan);font-size:44px;font-weight:800}.pr__pct{font-family:var(--font-mono);color:var(--text-dim);font-size:18px}.pr__topics{gap:8px;display:grid}.pr__topic{color:inherit;border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:var(--r-sm);background:var(--surface);align-items:center;gap:12px;padding:10px 14px;text-decoration:none;display:flex}.pr__topic:hover{background:var(--surface-2);text-decoration:none}.pr__topic.is-good{border-left-color:var(--green)}.pr__topic.is-weak{border-left-color:var(--red)}.pr__tid{font-family:var(--font-mono);color:var(--cyan);min-width:34px}.pr__tname{flex:1;font-size:14px}.pr__tscore{font-family:var(--font-mono);color:var(--text-dim);font-size:13px}.pr__actions{flex-wrap:wrap;gap:10px;display:flex}.pr__saved{font-family:var(--font-mono);color:var(--text-faint);margin:-2px 0 14px;font-size:12px}.ex__top{justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:10px;display:flex}.ex__sub{color:var(--text-faint);margin:4px 0 0;font-size:13px}.ex__clock{font-family:var(--font-mono);border:1px solid var(--line-bright);border-radius:var(--r);color:var(--cyan);background:var(--surface);text-align:center;min-width:96px;padding:6px 14px;font-size:26px}.ex__clock.is-low{color:var(--red);border-color:var(--red);animation:1.6s ease-in-out infinite pulse}.ex__calcnote{border-radius:var(--r-sm);border-left:3px solid var(--amber);color:var(--text-dim);background:#ffb64812;margin:0 0 12px;padding:8px 12px;font-size:13px}.ex__nav{flex-wrap:wrap;gap:5px;margin-bottom:14px;display:flex}.ex__dot{width:32px;height:32px;font-family:var(--font-mono);color:var(--text-dim);background:var(--surface);border:1px solid var(--line);cursor:pointer;border-radius:6px;font-size:12px;position:relative}.ex__dot.is-done{border-color:var(--cyan-dim);color:var(--text);background:#5ff4ff1f}.ex__dot.is-cur{outline:2px solid var(--cyan);outline-offset:1px}.ex__dot.is-flag:after{content:"";background:var(--amber);border-radius:50%;width:7px;height:7px;position:absolute;top:2px;right:2px}.ex__row{flex-wrap:wrap;justify-content:space-between;gap:8px;display:flex}.btn.is-flagged{border-color:var(--amber);color:var(--amber)}.ex__foot{font-family:var(--font-mono);color:var(--text-faint);justify-content:space-between;align-items:center;margin-top:14px;font-size:12px;display:flex}.ex__modal{z-index:50;background:#03030ab8;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.ex__modalbox{border:1px solid var(--line-bright);border-radius:var(--r-lg);background:var(--surface-2);width:100%;max-width:420px;padding:22px}.ex__modaltitle{font-family:var(--font-display);letter-spacing:.05em;margin:0 0 8px;font-size:16px}.ex__setup{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);gap:14px;max-width:560px;padding:18px;display:grid}.ex__setup label{flex-direction:column;gap:5px;display:flex}.ex__setup span{font-family:var(--font-mono);letter-spacing:.2em;text-transform:uppercase;color:var(--text-faint);font-size:9.5px}.ex__setup select,.ex__setup input{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 12px;font-size:14px}.ex__grid2{grid-template-columns:1fr 1fr;gap:12px;display:grid}.rv__item{border:1px solid var(--line);border-left:3px solid var(--green);border-radius:var(--r-sm);background:var(--surface);margin-bottom:10px;padding:14px 16px}.rv__item.is-wrong{border-left-color:var(--red)}.rv__item.is-blank{border-left-color:var(--amber)}.rv__meta{font-family:var(--font-mono);color:var(--text-faint);margin:0 0 6px;font-size:11px}.rv__ans{margin:8px 0;font-size:14px}@media print{.ex__nav,.ex__clock,.ex__foot,.ex__row{display:none}}.rv__toggle{color:var(--text-dim);align-items:center;gap:8px;margin-bottom:12px;font-size:13.5px;display:flex}.mk__fmt{border-collapse:collapse;width:100%;font-size:14px}.mk__fmt th,.mk__fmt td{text-align:left;border-bottom:1px solid var(--line);padding:7px 10px}.mk__fmt th{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);font-size:11px;font-weight:500}.mk__rules{margin:4px 0;padding-left:20px}.mk__rules li{margin-bottom:4px}.mk__qdot{width:auto;padding:0 12px}.mk__qhead{font-family:var(--font-mono);color:var(--violet);margin:4px 0 10px;font-size:12px}.mk__details{margin-bottom:12px}.mk__details summary{cursor:pointer;color:var(--cyan);margin-bottom:8px;font-size:14px}.shell{flex-direction:column;min-height:100%;display:flex}.topbar{border-bottom:1px solid var(--line);background:linear-gradient(180deg, var(--surface-2), var(--surface));z-index:10;align-items:center;gap:16px;padding:12px 20px;display:flex;position:sticky;top:0}.topbar__brand{font-family:var(--font-display);letter-spacing:.16em;text-transform:uppercase;background:linear-gradient(180deg, #fff, var(--cyan) 55%, var(--magenta));-webkit-text-fill-color:transparent;white-space:nowrap;-webkit-background-clip:text;background-clip:text;font-size:14px;font-weight:800}.topbar__spacer{flex:1}.topbar__who{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-faint);font-size:10px}.badge{font-family:var(--font-mono);letter-spacing:.14em;text-transform:uppercase;border:1px solid var(--line-bright);color:var(--cyan-dim);border-radius:99px;margin-left:8px;padding:2px 7px;font-size:9px;display:inline-block}.badge--parent{color:var(--amber);border-color:var(--amber)}.content{flex:1;width:100%;max-width:1060px;margin:0 auto;padding:28px 20px 64px}.h1{font-family:var(--font-display);letter-spacing:.04em;text-transform:uppercase;color:var(--text);margin:0 0 6px;font-size:24px;font-weight:700}.lede{color:var(--text-dim);margin:0 0 28px;font-size:14.5px}.cards{grid-template-columns:repeat(auto-fit,minmax(236px,1fr));gap:14px;display:grid}.card{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);padding:18px;transition:border-color .16s,box-shadow .16s}.card--todo{opacity:.62}.card h3{font-family:var(--font-display);letter-spacing:.09em;text-transform:uppercase;color:var(--cyan);margin:0 0 7px;font-size:13px}.card p{color:var(--text-dim);margin:0;font-size:13.5px}.card__tag{font-family:var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--text-faint);margin-top:11px;font-size:9px;display:inline-block}.btn--sm{width:auto;padding:8px 14px;font-size:12.5px}@media print{:root{--bg:#fff;--surface:#fff;--surface-2:#fff;--text:#000;--text-dim:#333;--line:#bbb;--cyan:#000;--magenta:#000}body{color:#000;background:#fff;font-size:11pt}.topbar,.landing__grid,.landing__scan,.landing__sun,.landing__vignette{display:none!important}.content{max-width:none;padding:0}.h1,.card h3{color:#000!important;-webkit-text-fill-color:#000!important}.card{break-inside:avoid;border:1px solid #bbb}a{color:#000;text-decoration:underline}a[href^=http]:after{content:" (" attr(href) ")";color:#555;font-size:8pt}}.topnav{gap:2px;display:flex}.topnav__a{white-space:nowrap;border-radius:var(--r-sm);font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);padding:6px 12px;font-size:11px;text-decoration:none;transition:color .14s,background .14s}.topnav__a:hover{color:var(--text);background:var(--surface-3);text-decoration:none}.topnav__a.is-active{color:var(--cyan);background:#5ff4ff1a}.card--link{color:inherit;cursor:pointer;text-decoration:none;display:block}.card--link:hover{border-color:var(--cyan);background:var(--surface-2);text-decoration:none;box-shadow:0 0 22px #5ff4ff1f}.card--link:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}.card--link h3:after{content:" →";color:var(--cyan)}.card--todo{opacity:.55;cursor:default}.card--todo h3{color:var(--text-faint)}.card--todo .card__tag{color:var(--amber)}.home__exam{text-align:center;font-family:var(--font-mono);letter-spacing:.08em;color:var(--text-dim);border:1px dashed var(--line-bright);border-radius:var(--r);margin:30px 0 0;padding:13px 15px;font-size:12px}.home__exam strong{color:var(--amber)}@media (width<=680px){.topbar{flex-wrap:wrap;gap:10px}.topnav{order:3;width:100%;overflow-x:auto}}.pg__stats{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:28px;display:grid}.pg__stat{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);padding:14px}.pg__statn{font-family:var(--font-display);color:var(--cyan);font-size:26px;font-weight:800;display:block}.pg__statl{color:var(--text-faint);font-size:12px}.pg__table{gap:6px;display:grid}.pg__row{border:1px solid var(--line);border-left:3px solid var(--line-bright);border-radius:var(--r-sm);background:var(--surface);align-items:center;gap:12px;padding:9px 12px;font-size:13.5px;display:flex}.pg__row.is-good{border-left-color:var(--green)}.pg__row.is-mid{border-left-color:var(--amber)}.pg__row.is-weak{border-left-color:var(--red)}.pg__row.is-none,.pg__row.is-few{opacity:.7}.pg__name{flex:1;min-width:0}.pg__bar{background:var(--line);border-radius:6px;flex:0 0 90px;height:6px;overflow:hidden}.pg__bar span{background:linear-gradient(90deg, var(--cyan), var(--violet));height:100%;display:block}.pg__num{font-family:var(--font-mono);text-align:right;min-width:44px;font-size:12.5px}.pg__lv{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);text-align:right;flex:0 0 128px;font-size:10.5px}.pg__date{font-family:var(--font-mono);color:var(--text-dim);min-width:82px;font-size:12px}.pg__weak{border:1px solid var(--line);border-left:3px solid var(--red);border-radius:var(--r);background:var(--surface);align-items:center;gap:10px;padding:11px 14px;display:flex}.pg__form{border:1px dashed var(--line-bright);border-radius:var(--r);flex-wrap:wrap;align-items:flex-end;gap:10px;margin-bottom:14px;padding:14px;display:flex}.pg__form label{flex-direction:column;flex:110px;gap:4px;display:flex}.pg__form span{font-family:var(--font-mono);letter-spacing:.18em;text-transform:uppercase;color:var(--text-faint);font-size:9.5px}.pg__form select,.pg__form input{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:8px 10px;font-size:14px}.pg__hint{color:var(--text-faint);flex-basis:100%;margin:0;font-size:12px}@media (width<=560px){.pg__bar,.pg__lv{display:none}}.fq__models{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:8px;margin-bottom:28px;display:grid}.fq__model{border:1px solid var(--line);border-radius:var(--r);background:var(--surface);grid-template-columns:auto 1fr;gap:2px 10px;padding:12px 14px;display:grid}.fq__mnum{font-family:var(--font-display);color:var(--magenta);grid-row:span 2;font-size:22px;font-weight:800}.fq__mtitle{font-size:13px;font-weight:600}.fq__mscore{font-family:var(--font-mono);color:var(--text-faint);font-size:11.5px}.fq__badge{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line-bright);color:var(--text-dim);border-radius:99px;margin-right:6px;padding:2px 9px;font-size:10px;display:inline-block}.fq__badge.is-old{border-color:var(--amber);color:var(--amber)}.fq__part{margin-bottom:16px}.fq__partid{font-family:var(--font-mono);color:var(--cyan);margin-right:6px}.fq__point{border:1px solid var(--line);border-left:3px solid var(--line-bright);border-radius:var(--r-sm);background:var(--surface);margin-bottom:8px;padding:12px 14px}.fq__point.is-yes{border-left-color:var(--green)}.fq__point.is-no{border-left-color:var(--red)}.fq__ptitle{font-family:var(--font-mono);color:var(--violet);margin:0 0 6px;font-size:11px}.fq__pbtns{gap:8px;margin-top:10px;display:flex}.fq__pbtns .btn.is-on{border-color:var(--cyan);box-shadow:var(--glow-cyan)}.fq__total{align-items:baseline;gap:14px;margin:6px 0 18px;display:flex}.fq__worked{color:var(--text-dim);margin-top:6px;padding-left:20px;font-size:14px}@media print{.fq__pbtns,.fq__models{display:none}}.ps__bar{align-items:center;gap:8px;margin-bottom:18px;display:flex}.ps__info{font-family:var(--font-mono);color:var(--text-dim);margin:0 0 22px;font-size:12px}.ps__qs{padding-left:22px}.ps__q{break-inside:avoid;margin-bottom:26px}.ps__calc{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--amber);margin:0 0 8px;font-size:11px}.ps__choices{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:6px;margin:8px 0 0;padding:0;list-style:none;display:grid}.ps__key{border-top:1px solid var(--line);margin-top:40px;padding-top:20px}.ps__keylist{padding-left:22px}.ps__keylist>li{break-inside:avoid;margin-bottom:14px}.ps__keylist p{margin:0 0 4px}@media print{.topbar,.ps__bar{display:none!important}.content{max-width:none!important;padding:0!important}.ps__key{break-before:page;border-top:none;margin-top:0}.ps__calc{color:#000}}:root{--bg:#06060e;--bg-deep:#03030a;--surface:#0d0d1b;--surface-2:#13132a;--surface-3:#1b1b38;--line:#2a2a52;--line-bright:#3d3d78;--cyan:#5ff4ff;--cyan-dim:#2bbecb;--magenta:#ff4fd8;--magenta-dim:#c22ea4;--amber:#ffb648;--violet:#9a6bff;--green:#4bffa5;--red:#ff5c6c;--text:#e8e9ff;--text-dim:#a3a6cf;--text-faint:#6e719c;--font-display:"Orbitron", "Avenir Next", system-ui, sans-serif;--font-body:"Chakra Petch", "Inter", system-ui, -apple-system, sans-serif;--font-mono:"JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;--r-sm:4px;--r:8px;--r-lg:14px;--glow-cyan:0 0 8px #5ff4ff8c, 0 0 28px #5ff4ff38;--glow-magenta:0 0 8px #ff4fd88c, 0 0 28px #ff4fd838;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:var(--font-body);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.55}a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}
