.lucky *{transform-box:fill-box}.lucky[data-facing=left]{transform:scaleX(-1)}.lucky .body-grp{animation:luckyBob 2.8s ease-in-out infinite;transform-origin:50% 100%}@keyframes luckyBob{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}.lucky .crest-f{transform-origin:50% 100%;transition:transform .28s ease-out}.lucky .crest-f:nth-child(1){transform:rotate(-96deg)}.lucky .crest-f:nth-child(2){transform:rotate(-88deg)}.lucky .crest-f:nth-child(3){transform:rotate(-80deg)}.lucky .crest-f:nth-child(4){transform:rotate(-72deg)}.lucky .crest-f:nth-child(5){transform:rotate(-64deg)}.lucky .bald{opacity:0;transition:opacity .28s ease-out}.lucky .head-grp{transform-origin:26% 88%}.lucky .beak-lower{transform-origin:14% 8%}.lucky .tongue,.lucky .branch,.lucky .snack-item,.lucky .blanket,.lucky .note-mark,.lucky .dropping{opacity:0}.lucky.crest-up .crest-f:nth-child(1){transform:rotate(-58deg)}.lucky.crest-up .crest-f:nth-child(2){transform:rotate(-38deg)}.lucky.crest-up .crest-f:nth-child(3){transform:rotate(-16deg) scaleY(1.14)}.lucky.crest-up .crest-f:nth-child(4){transform:rotate(4deg)}.lucky.crest-up .crest-f:nth-child(5){transform:rotate(24deg)}.lucky.crest-up .bald{opacity:1}.lucky.s-headTilt .head-grp{animation:luckyHeadTilt 2.2s ease-in-out}@keyframes luckyHeadTilt{0%,to{transform:rotate(0)}25%{transform:rotate(-28deg)}55%{transform:rotate(-28deg)}75%{transform:rotate(9deg)}}.lucky.s-shuffle .body-grp{animation:luckyShuffle .5s ease-in-out 5}@keyframes luckyShuffle{0%,to{transform:translate(0)}25%{transform:translate(-7px)}75%{transform:translate(7px)}}.lucky.s-dance .head-grp{animation:luckyHeadBang .28s cubic-bezier(.4,0,.5,1) infinite}@keyframes luckyHeadBang{0%{transform:rotate(-34deg) translateY(-10px)}45%{transform:rotate(42deg) translateY(16px)}to{transform:rotate(-34deg) translateY(-10px)}}.lucky.s-dance .body-grp{animation:luckyDanceRock .28s ease-in-out infinite}@keyframes luckyDanceRock{0%,to{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-5px) rotate(4deg)}}.lucky.s-flap .wing{animation:luckyFlap .3s ease-in-out 6;transform-origin:76% 12%}@keyframes luckyFlap{0%,to{transform:rotate(0)}50%{transform:rotate(-46deg) translateY(-7px)}}.lucky.s-flap .body-grp{animation:luckyHop .3s ease-in-out 6}@keyframes luckyHop{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.lucky.s-squawk .beak-lower{animation:luckyBeak .17s ease-in-out 5}@keyframes luckyBeak{0%,to{transform:rotate(0)}50%{transform:rotate(30deg) translateY(3px)}}.lucky.s-squawk .head-grp{animation:luckySqShake .13s linear 6}@keyframes luckySqShake{0%,to{transform:translate(0)}50%{transform:translate(3px)}}.lucky.s-surprised .pupil{transform:scale(1.2);transform-origin:50% 50%;transition:transform .2s}.lucky.s-encourage .head-grp{transform:rotate(-16deg);transition:transform .35s}.lucky.s-encourage .wing{transform:rotate(-26deg);transform-origin:76% 12%;transition:transform .35s}.lucky.s-sing .beak-lower{animation:luckyBeak .42s ease-in-out 6}.lucky.s-sing .head-grp{animation:luckySingSway .84s ease-in-out 3}@keyframes luckySingSway{0%,to{transform:rotate(-8deg)}50%{transform:rotate(8deg)}}.lucky.s-sing .note-mark{opacity:1;animation:luckyNoteFloat 1.2s ease-out 2}@keyframes luckyNoteFloat{0%{opacity:0;transform:translate(0) scale(.6)}30%{opacity:1}to{opacity:0;transform:translate(15px,-32px) scale(1.1)}}.lucky.s-bark .head-grp,.lucky.s-bok .head-grp{animation:luckyJab .22s ease-in-out 3}@keyframes luckyJab{0%,to{transform:translate(0) rotate(0)}50%{transform:translate(8px) rotate(7deg)}}.lucky.s-bark .beak-lower,.lucky.s-bok .beak-lower{animation:luckyBeak .22s ease-in-out 3}.lucky.s-tongue .tongue{opacity:1;animation:luckyTongueOut 1.1s ease-in-out 3}@keyframes luckyTongueOut{0%,to{transform:translate(0) scaleX(.3);opacity:.4}50%{transform:translate(9px,2px) scaleX(1);opacity:1}}.lucky.s-tongue .beak-lower{transform:rotate(19deg) translateY(2px);transition:transform .3s}.lucky.s-tongue .head-grp{animation:luckyProbe 1.65s ease-in-out 2}@keyframes luckyProbe{0%,to{transform:rotate(0)}50%{transform:rotate(-13deg) translate(4px)}}.lucky.s-startle .body-grp{animation:luckyBolt 1.15s cubic-bezier(.5,0,.6,1) forwards}@keyframes luckyBolt{0%{transform:translate(0) rotate(0)}18%{transform:translateY(7px) scaleY(.9)}30%{transform:translateY(7px) scaleY(.9)}to{transform:translate(66px,-96px) rotate(-19deg);opacity:0}}.lucky.s-startle .wing{animation:luckyFlap .13s linear 9;transform-origin:76% 12%}.lucky.s-hang .branch{opacity:1}.lucky.s-hang .body-grp{animation:none;transform:rotate(178deg) translate(-4px,-92px);transform-origin:50% 6%;transition:transform .7s cubic-bezier(.5,-.3,.4,1.3)}.lucky.s-hang .head-grp{transform:rotate(15deg);transition:transform .7s}.lucky.s-snack .branch,.lucky.s-snack .snack-item{opacity:1}.lucky.s-snack .foot-front{transform:rotate(-56deg) translate(4px,-16px);transform-origin:50% 0%;transition:transform .45s}.lucky.s-snack .head-grp{animation:luckyNibble 1s ease-in-out 3}@keyframes luckyNibble{0%,to{transform:rotate(0)}50%{transform:rotate(32deg) translate(-10px,11px)}}.lucky.s-snack .beak-lower{animation:luckyBeak .5s ease-in-out 6}.lucky.s-nuzzle .blanket{opacity:1}.lucky.s-nuzzle .head-grp{animation:luckyNuzzle 1.5s ease-in-out 2}@keyframes luckyNuzzle{0%,to{transform:rotate(0)}50%{transform:rotate(26deg) translate(-12px,10px)}}.lucky.s-poop .dropping{opacity:1;animation:luckyDrop .8s ease-in forwards}@keyframes luckyDrop{0%{opacity:0;transform:translateY(0) scale(.4)}20%{opacity:1;transform:translateY(4px) scale(1)}to{opacity:1;transform:translateY(26px) scale(1)}}.lucky.s-poop .body-grp{animation:luckyLift .8s ease-in-out}@keyframes luckyLift{0%,to{transform:translateY(0)}30%{transform:translateY(-7px)}}@media(prefers-reduced-motion:reduce){.lucky *{animation:none!important;transition:none!important}}html.lucky-tab-hidden .lucky *{animation-play-state:paused!important}.lucky-perch{position:relative;height:132px;flex-shrink:0;display:flex;align-items:flex-end;justify-content:center;background:var(--paper);z-index:11}.lucky-perch-tap{position:relative;width:200px;height:100%;border:none;background:transparent;cursor:pointer;display:flex;align-items:flex-end;justify-content:center;padding:0}.lucky-perch-branch{position:absolute;left:8px;right:8px;bottom:20px;height:20px;clip-path:polygon(0% 44%,6% 34%,11% 20%,15% 30%,22% 33%,38% 25%,54% 31%,70% 24%,85% 31%,100% 40%,100% 62%,86% 71%,70% 66%,54% 74%,38% 67%,22% 73%,12% 68%,5% 72%);background:repeating-linear-gradient(99deg,#46332133 0,#46332133 1px,#46332100 1px,#46332100 6px),repeating-linear-gradient(84deg,#fff0d629 0,#fff0d629 1px,#fff0d600 1px,#fff0d600 11px),linear-gradient(180deg,#bd9a6e,#a37f57 38%,#8a6a48 70%,#6f5539);filter:drop-shadow(0 2px 3px rgba(46,42,36,.22));transform:rotate(-.6deg)}.lucky-perch-bird{position:relative;transform:translateY(7px);transition:opacity .25s ease}.lucky-perch-bird .branch,.lucky-perch-bird .ground-shadow{display:none}.lucky-perch-bird.is-caged{opacity:0}.lucky-cage{position:absolute;top:8px;right:22px;bottom:20px;left:22px;pointer-events:none}.lucky-cage-bars{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;justify-content:space-between;padding:3px 5px;border:3px solid #6b6459;border-radius:24px 24px 10px 10px;background:#6b645914}.lucky-cage-bar{width:3px;background:#6b6459;border-radius:3px}.lucky-cage-cloth{position:absolute;top:-30px;left:-14px;right:-14px;height:0;padding-bottom:92%;background:linear-gradient(180deg,#a79c88,#948a77 60%,#847a68);border-radius:10px 10px 40% 40%/10px 10px 18% 18%;box-shadow:0 4px 12px #2e2a2440;animation:cageClothDrop .4s cubic-bezier(.3,.1,.3,1) both;transform-origin:top center}@keyframes cageClothDrop{0%{transform:scaleY(.05) translateY(-40%);opacity:.4}to{transform:scaleY(1) translateY(0);opacity:1}}@media(prefers-reduced-motion:reduce){.lucky-cage-cloth{animation: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{font: 1.21em KaTeX_Main,Times New Roman,serif;line-height:1.2;position:relative;text-indent:0;text-rendering:auto}.katex *{-ms-high-contrast-adjust:none!important;border-color:currentColor}.katex .katex-version:after{content:"0.18.4"}.katex .katex-mathml{border:0;-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;padding:0;position:absolute;width:1px}.katex .katex-html>.katex-newline{display:block}.katex .katex-base{position:relative;white-space:nowrap;width:-webkit-min-content;width:-moz-min-content;width:min-content}.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;display:inline-table;table-layout:fixed}.katex .vlist-r{display:table-row}.katex .vlist{display:table-cell;position:relative;vertical-align:bottom}.katex .vlist>span{display:block;height:0;position:relative}.katex .vlist>span>span{display:inline-block}.katex .vlist>span>.pstrut{overflow:hidden;width:0}.katex .vlist-t2{margin-right:-2px}.katex .vlist-s{display:table-cell;font-size:1px;min-width:2px;vertical-align:bottom;width:2px}.katex .katex-vbox{align-items:baseline;display:inline-flex;flex-direction:column}.katex .katex-thinbox{display:inline-flex;flex-direction:row;max-width:0;width:0}.katex .msupsub{text-align:left}.katex .mfrac>span>span{text-align:center}.katex .mfrac .frac-line{border-bottom-style:solid;display:inline-block;width:100%}.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{display:inline;line-height:0}.katex .clap,.katex .llap,.katex .rlap{position:relative;width:0}.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;display:inline-block;width:100%}.katex .katex-hdashline{border-bottom-style:dashed;display:inline-block;width:100%}.katex .sqrt>.katex-root{margin-left:.2777777778em;margin-right:-.5555555556em}.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:.8333333333em}.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:1.1666666667em}.katex .fontsize-ensurer.reset-size2.size4,.katex .katex-sizing.reset-size2.size4{font-size:1.3333333333em}.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:1.6666666667em}.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:3.4566666667em}.katex .fontsize-ensurer.reset-size2.size11,.katex .katex-sizing.reset-size2.size11{font-size:4.1466666667em}.katex .fontsize-ensurer.reset-size3.size1,.katex .katex-sizing.reset-size3.size1{font-size:.7142857143em}.katex .fontsize-ensurer.reset-size3.size2,.katex .katex-sizing.reset-size3.size2{font-size:.8571428571em}.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:1.1428571429em}.katex .fontsize-ensurer.reset-size3.size5,.katex .katex-sizing.reset-size3.size5{font-size:1.2857142857em}.katex .fontsize-ensurer.reset-size3.size6,.katex .katex-sizing.reset-size3.size6{font-size:1.4285714286em}.katex .fontsize-ensurer.reset-size3.size7,.katex .katex-sizing.reset-size3.size7{font-size:1.7142857143em}.katex .fontsize-ensurer.reset-size3.size8,.katex .katex-sizing.reset-size3.size8{font-size:2.0571428571em}.katex .fontsize-ensurer.reset-size3.size9,.katex .katex-sizing.reset-size3.size9{font-size:2.4685714286em}.katex .fontsize-ensurer.reset-size3.size10,.katex .katex-sizing.reset-size3.size10{font-size:2.9628571429em}.katex .fontsize-ensurer.reset-size3.size11,.katex .katex-sizing.reset-size3.size11{font-size:3.5542857143em}.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:.5555555556em}.katex .fontsize-ensurer.reset-size5.size2,.katex .katex-sizing.reset-size5.size2{font-size:.6666666667em}.katex .fontsize-ensurer.reset-size5.size3,.katex .katex-sizing.reset-size5.size3{font-size:.7777777778em}.katex .fontsize-ensurer.reset-size5.size4,.katex .katex-sizing.reset-size5.size4{font-size:.8888888889em}.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:1.1111111111em}.katex .fontsize-ensurer.reset-size5.size7,.katex .katex-sizing.reset-size5.size7{font-size:1.3333333333em}.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:2.3044444444em}.katex .fontsize-ensurer.reset-size5.size11,.katex .katex-sizing.reset-size5.size11{font-size:2.7644444444em}.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:.4166666667em}.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:.5833333333em}.katex .fontsize-ensurer.reset-size7.size4,.katex .katex-sizing.reset-size7.size4{font-size:.6666666667em}.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:.8333333333em}.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:1.7283333333em}.katex .fontsize-ensurer.reset-size7.size11,.katex .katex-sizing.reset-size7.size11{font-size:2.0733333333em}.katex .fontsize-ensurer.reset-size8.size1,.katex .katex-sizing.reset-size8.size1{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size8.size2,.katex .katex-sizing.reset-size8.size2{font-size:.4166666667em}.katex .fontsize-ensurer.reset-size8.size3,.katex .katex-sizing.reset-size8.size3{font-size:.4861111111em}.katex .fontsize-ensurer.reset-size8.size4,.katex .katex-sizing.reset-size8.size4{font-size:.5555555556em}.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:.6944444444em}.katex .fontsize-ensurer.reset-size8.size7,.katex .katex-sizing.reset-size8.size7{font-size:.8333333333em}.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:1.4402777778em}.katex .fontsize-ensurer.reset-size8.size11,.katex .katex-sizing.reset-size8.size11{font-size:1.7277777778em}.katex .fontsize-ensurer.reset-size9.size1,.katex .katex-sizing.reset-size9.size1{font-size:.2893518519em}.katex .fontsize-ensurer.reset-size9.size2,.katex .katex-sizing.reset-size9.size2{font-size:.3472222222em}.katex .fontsize-ensurer.reset-size9.size3,.katex .katex-sizing.reset-size9.size3{font-size:.4050925926em}.katex .fontsize-ensurer.reset-size9.size4,.katex .katex-sizing.reset-size9.size4{font-size:.462962963em}.katex .fontsize-ensurer.reset-size9.size5,.katex .katex-sizing.reset-size9.size5{font-size:.5208333333em}.katex .fontsize-ensurer.reset-size9.size6,.katex .katex-sizing.reset-size9.size6{font-size:.5787037037em}.katex .fontsize-ensurer.reset-size9.size7,.katex .katex-sizing.reset-size9.size7{font-size:.6944444444em}.katex .fontsize-ensurer.reset-size9.size8,.katex .katex-sizing.reset-size9.size8{font-size:.8333333333em}.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:1.2002314815em}.katex .fontsize-ensurer.reset-size9.size11,.katex .katex-sizing.reset-size9.size11{font-size:1.4398148148em}.katex .fontsize-ensurer.reset-size10.size1,.katex .katex-sizing.reset-size10.size1{font-size:.2410800386em}.katex .fontsize-ensurer.reset-size10.size2,.katex .katex-sizing.reset-size10.size2{font-size:.2892960463em}.katex .fontsize-ensurer.reset-size10.size3,.katex .katex-sizing.reset-size10.size3{font-size:.337512054em}.katex .fontsize-ensurer.reset-size10.size4,.katex .katex-sizing.reset-size10.size4{font-size:.3857280617em}.katex .fontsize-ensurer.reset-size10.size5,.katex .katex-sizing.reset-size10.size5{font-size:.4339440694em}.katex .fontsize-ensurer.reset-size10.size6,.katex .katex-sizing.reset-size10.size6{font-size:.4821600771em}.katex .fontsize-ensurer.reset-size10.size7,.katex .katex-sizing.reset-size10.size7{font-size:.5785920926em}.katex .fontsize-ensurer.reset-size10.size8,.katex .katex-sizing.reset-size10.size8{font-size:.6943105111em}.katex .fontsize-ensurer.reset-size10.size9,.katex .katex-sizing.reset-size10.size9{font-size:.8331726133em}.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:1.1996142719em}.katex .fontsize-ensurer.reset-size11.size1,.katex .katex-sizing.reset-size11.size1{font-size:.2009646302em}.katex .fontsize-ensurer.reset-size11.size2,.katex .katex-sizing.reset-size11.size2{font-size:.2411575563em}.katex .fontsize-ensurer.reset-size11.size3,.katex .katex-sizing.reset-size11.size3{font-size:.2813504823em}.katex .fontsize-ensurer.reset-size11.size4,.katex .katex-sizing.reset-size11.size4{font-size:.3215434084em}.katex .fontsize-ensurer.reset-size11.size5,.katex .katex-sizing.reset-size11.size5{font-size:.3617363344em}.katex .fontsize-ensurer.reset-size11.size6,.katex .katex-sizing.reset-size11.size6{font-size:.4019292605em}.katex .fontsize-ensurer.reset-size11.size7,.katex .katex-sizing.reset-size11.size7{font-size:.4823151125em}.katex .fontsize-ensurer.reset-size11.size8,.katex .katex-sizing.reset-size11.size8{font-size:.578778135em}.katex .fontsize-ensurer.reset-size11.size9,.katex .katex-sizing.reset-size11.size9{font-size:.6945337621em}.katex .fontsize-ensurer.reset-size11.size10,.katex .katex-sizing.reset-size11.size10{font-size:.8336012862em}.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{display:inline-block;width:.12em}.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{display:inline-block;min-width:1px}.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;display:block;height:inherit;position:absolute;width:100%}.katex svg path{stroke:none}.katex svg{fill-rule:nonzero;fill-opacity:1;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1}.katex img{border-style:none;max-height:none;max-width:none;min-height:0;min-width:0}.katex .katex-stretchy{display:block;overflow:hidden;position:relative;width:100%}.katex .katex-stretchy:after,.katex .katex-stretchy:before{content:""}.katex .hide-tail{overflow:hidden;position:relative;width:100%}.katex .halfarrow-left{left:0;overflow:hidden;position:absolute;width:50.2%}.katex .halfarrow-right{overflow:hidden;position:absolute;right:0;width:50.2%}.katex .brace-left{left:0;overflow:hidden;position:absolute;width:25.1%}.katex .brace-center{left:25%;overflow:hidden;position:absolute;width:50%}.katex .brace-right{overflow:hidden;position:absolute;right:0;width:25.1%}.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{border:.04em solid;box-sizing:border-box}.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{border-right:.049em solid;border-top:.049em solid;box-sizing:border-box;margin-right:.03889em}.katex .anglpad{padding:0 .03889em}.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{display:inline-block;position:absolute;right:calc(50% + .3em);text-align:left}.katex .cd-label-right{display:inline-block;left:calc(50% + .3em);position:absolute;text-align:right}.katex-display{display:block;margin:1em 0;text-align:center}.katex-display>.katex{display:block;text-align:center;white-space:nowrap}.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{padding-left:2em;text-align:left}body{counter-reset:katexEqnNo mmlEqnNo}.speech-bubble{position:relative;background:var(--white);border-radius:16px;box-shadow:var(--shadow-sm);padding:10px 15px;max-width:230px;font-size:12.5px;font-weight:600;line-height:1.35;text-align:center;z-index:3}.speech-bubble:after{content:"";position:absolute;left:50%;bottom:-7px;transform:translate(-50%);border-width:7px 7px 0 7px;border-style:solid;border-color:var(--white) transparent transparent transparent}.speech-bubble .both-en{font-size:.82em;font-weight:500;margin-top:2px}:root{--paper: #f7f1e3;--paper-line: rgba(46, 42, 36, .06);--ink: #2e2a24;--ink-soft: #786f5e;--spiral: #4a72a8;--sage: #5c8465;--sage-bg: #e3ebe1;--orange: #d98e4a;--orange-bg: #f5e3ce;--lavender: #8f7fc0;--lavender-bg: #e9e4f5;--lavender-edge: #d7ceee;--teal: #3e93a6;--teal-bg: #dceef1;--gold: #e3a857;--gold-bg: #fbebd2;--bad: #c1665a;--bad-bg: #f5dfdb;--white: #ffffff;--shadow: 0 3px 14px rgba(46, 42, 36, .12);--shadow-sm: 0 1px 5px rgba(46, 42, 36, .1);--font-display: "Fredoka", "Noto Sans Thai", sans-serif;--font-body: "Noto Sans Thai", sans-serif;--app-max-width: 480px}:root{--berry: #a8577a;--berry-bg: #f2dfe8}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:var(--font-body);background:#dcd3be;color:var(--ink)}#root{min-height:100dvh;display:flex;justify-content:center}.app-shell{width:100%;max-width:var(--app-max-width);min-height:100dvh;background:var(--paper);position:relative;display:flex;flex-direction:column}.spiral-rail{position:absolute;left:0;top:0;bottom:0;width:20px;background-image:radial-gradient(circle at 10px 12px,var(--spiral) 4px,transparent 5px);background-size:20px 24px;background-repeat:repeat-y;opacity:.4;z-index:5;pointer-events:none}.app{flex:1;display:flex;flex-direction:column;margin-left:20px;position:relative;background-image:repeating-linear-gradient(var(--paper) 0px,var(--paper) 27px,var(--paper-line) 28px)}.topbar{display:flex;align-items:center;gap:10px;padding:16px 16px 10px 12px;background:var(--paper);position:sticky;top:0;z-index:10}.lucky-perch+.topbar{margin-top:-132px;min-height:132px;align-items:flex-start;padding:10px 12px 0 8px;background:transparent;position:relative;z-index:12;pointer-events:none}.lucky-perch+.topbar .topbar-left,.lucky-perch+.topbar .topbar-actions{pointer-events:auto}.lucky-perch+.topbar.topbar-stacked .topbar-left,.lucky-perch+.topbar.topbar-stacked .topbar-actions{flex-direction:column;gap:6px}.lucky-perch+.topbar.topbar-stacked .lang-switch{flex-direction:column;gap:3px}.lucky-perch+.topbar.topbar-stacked .lang-switch button{padding:5px 6px;width:100%}.lucky-perch+.topbar.topbar-row .topbar-left,.lucky-perch+.topbar.topbar-row .topbar-actions{flex-direction:row;gap:4px}.lucky-perch+.topbar.topbar-row .back-btn,.lucky-perch+.topbar.topbar-row .home-btn,.lucky-perch+.topbar.topbar-row .settings-btn,.lucky-perch+.topbar.topbar-row .sound-toggle{width:30px;height:30px;font-size:14px}.lucky-perch+.topbar.topbar-row .lang-switch button{padding:4px 6px;font-size:10px}.back-btn{width:34px;height:34px;border-radius:50%;border:none;background:#2e2a2414;color:var(--ink);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.back-btn.hidden{display:none}.topbar-title{font-family:var(--font-display);font-weight:700;font-size:21px;line-height:1.3;padding:12px 16px 10px 12px;background:var(--paper);position:sticky;top:0;z-index:10}.topbar-title .both-en{font-size:.62em;font-weight:500;color:var(--ink-soft)}.lucky-perch+.topbar+.content{padding-top:14px}.topbar-title>span:not(.lang-both){display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.topbar-title .both-th,.topbar-title .both-en{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.topbar-left{display:flex;align-items:center;gap:8px;flex-shrink:0}.topbar-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:auto}.lang-switch{display:flex;background:#2e2a2414;border-radius:999px;padding:3px;flex-shrink:0;gap:2px}.lang-switch button{border:none;background:transparent;cursor:pointer;font-family:inherit;font-size:11px;font-weight:600;padding:5px 8px;border-radius:999px;color:var(--ink-soft);min-height:26px}.lang-switch button.active{background:var(--ink);color:var(--paper)}.login-lang{display:flex;justify-content:flex-end;padding:4px 0 0}.plain-list{list-style:none;margin:10px 0 14px;padding:0;font-size:14px;line-height:1.9}.plain-list li{border-bottom:1px dashed rgba(46,42,36,.14)}.plain-list li:last-child{border-bottom:none}.sound-toggle,.home-btn{width:34px;height:34px;border-radius:50%;border:none;background:#2e2a2414;color:var(--ink);font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.home-btn.hidden{display:none}.settings-btn{width:34px;height:34px;border-radius:50%;border:none;background:#2e2a2414;color:var(--ink);font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.settings-btn.hidden{display:none}.sound-toggle[aria-pressed=false]{opacity:.5}.content{flex:1;padding:6px 18px 28px;overflow-y:auto}.lang-both{display:flex;flex-direction:column;gap:2px}.both-en{font-size:.85em;color:var(--ink-soft);font-weight:500}.home-hero{text-align:center;padding:18px 4px 8px}.semester-chip{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--ink-soft);background:#2e2a240f;padding:5px 12px;border-radius:999px;margin-bottom:14px}.app-title{font-family:var(--font-display);font-size:26px;font-weight:700;margin-bottom:4px}.app-title .both-en{font-size:.55em}.streak-chip{display:inline-flex;align-items:center;gap:5px;background:var(--gold-bg);color:#8a5a1e;font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;margin-top:10px}.lucky-stage{display:flex;flex-direction:column;justify-content:center;align-items:center;position:relative;margin:10px 0 4px;gap:12px}.primary-btn{display:block;width:100%;background:var(--ink);color:var(--paper);border:none;border-radius:999px;font-family:inherit;font-weight:700;font-size:15px;padding:14px;cursor:pointer;text-align:center;box-shadow:var(--shadow-sm);min-height:44px}.primary-btn .both-en{color:#f7f1e3bf}.primary-btn:active{transform:scale(.98)}.secondary-btn{display:block;width:100%;background:transparent;color:var(--ink);border:2px solid rgba(46,42,36,.18);border-radius:999px;font-family:inherit;font-weight:700;font-size:14px;padding:12px;cursor:pointer;text-align:center;min-height:44px}.section-label{font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--ink-soft);text-transform:uppercase;margin:18px 0 10px}.subject-card{position:relative;background:var(--white);border-radius:16px;padding:20px 16px 16px;margin-bottom:14px;box-shadow:var(--shadow-sm);cursor:pointer;border-left:6px solid var(--tab-color, var(--sage));width:100%;text-align:left;font-family:inherit}.subject-card .tab-nub{position:absolute;top:-9px;left:18px;background:var(--tab-color, var(--sage));color:#fff;font-size:10px;font-weight:700;padding:3px 10px;border-radius:6px 6px 0 0}.subject-card h3{font-size:17px;margin-bottom:3px}.subject-card .both-en{font-size:.8em}.subject-card p.desc{font-size:12.5px;color:var(--ink-soft);margin-top:4px}.subject-card.dim{opacity:.55}.group-header{display:flex;align-items:center;gap:8px;margin:20px 0 10px}.group-dot{width:10px;height:10px;border-radius:50%;background:var(--dot-color, var(--sage));flex-shrink:0}.group-title{font-weight:700;font-size:14px}.group-title .both-en{font-size:.78em}.unit-row{display:flex;align-items:center;gap:12px;background:var(--white);border-radius:12px;padding:12px 14px;margin-bottom:8px;box-shadow:var(--shadow-sm);cursor:pointer;width:100%;text-align:left;font-family:inherit}.unit-badge{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0;background:var(--badge-bg, #eee);color:var(--badge-fg, #999)}.unit-text{flex:1;min-width:0}.unit-text .th-title{font-size:13.5px;font-weight:600;line-height:1.3}.unit-text .en-title{font-size:11.5px;color:var(--ink-soft);margin-top:1px}.unit-page{font-size:11px;color:var(--ink-soft);font-weight:600;flex-shrink:0;white-space:nowrap}.mini-lucky-row{display:flex;align-items:center;gap:12px;background:var(--white);border-radius:16px;padding:12px 14px;margin:8px 0 18px;box-shadow:var(--shadow-sm)}.mini-lucky-row .bubble-txt{font-size:12.5px;font-weight:600;flex:1}.mini-lucky-row .bubble-txt .both-en{font-size:.8em;font-weight:500}.topic-row{display:flex;align-items:center;gap:12px;background:var(--white);border-radius:12px;padding:13px 14px;margin-bottom:9px;box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .12s;width:100%;text-align:left;font-family:inherit}.topic-row.shake{animation:shakeRow .4s}@keyframes shakeRow{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.topic-icon{width:30px;text-align:center;font-size:16px;flex-shrink:0}.note-card{position:relative;background:var(--white);border-radius:6px;padding:22px 20px 20px;box-shadow:var(--shadow);margin:6px 0 18px}.note-card:after{content:"";position:absolute;top:0;right:0;width:24px;height:24px;background:linear-gradient(135deg,transparent 50%,var(--paper) 50%);box-shadow:-2px 2px 5px #2e2a2426;border-radius:0 6px 0 0}.page-chip{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;color:var(--ink-soft);background:#2e2a240f;padding:4px 10px;border-radius:999px;margin-bottom:12px}.toast{position:fixed;left:50%;bottom:22px;transform:translate(-50%);background:var(--ink);color:var(--paper);padding:10px 18px;border-radius:999px;font-size:12.5px;font-weight:600;box-shadow:var(--shadow);z-index:50;white-space:nowrap;animation:toastIn .25s ease-out}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.footer-space{height:10px}.field-stack{display:flex;flex-direction:column;gap:12px;margin-top:8px}.text-input{padding:14px 16px;border-radius:999px;border:2px solid rgba(46,42,36,.18);font-size:15px;font-family:inherit;text-align:center;min-height:48px;background:var(--white);color:var(--ink)}.text-input:focus{outline:none;border-color:var(--spiral)}.field-error{color:var(--bad);font-size:13px;font-weight:600;text-align:center}.field-label{font-size:12.5px;font-weight:700;color:var(--ink-soft);margin:0 0 -4px 4px}.parent-link{display:block;margin:26px auto 0;padding:12px 16px;min-height:44px;border:none;background:none;font-family:inherit;font-size:12.5px;color:var(--ink-soft);text-decoration:underline;text-underline-offset:3px;cursor:pointer}.parent-link.subtle{margin-top:2px;opacity:.72}.visually-hidden-input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}.chip{min-height:44px;padding:10px 14px;border-radius:999px;border:1.5px solid rgba(46,42,36,.12);background:var(--white);font-family:inherit;font-size:13px;color:var(--ink);cursor:pointer}.chip.active{border-color:var(--sage);background:var(--sage-bg);font-weight:700}.muted-text{font-size:13px;color:var(--ink-soft);margin:8px 0;line-height:1.5}.ok-text{font-size:13.5px;color:var(--sage);margin:8px 0;line-height:1.5}.plan-line{font-size:14px;line-height:1.55;margin:8px 0}.quality-warn{font-size:13.5px;color:#8a6a2f;background:var(--gold-bg);border-radius:10px;padding:10px 12px;margin:8px 0;line-height:1.5}.quality-bad{font-size:13.5px;color:var(--bad);background:var(--bad-bg);border-radius:10px;padding:10px 12px;margin:8px 0;line-height:1.5}.quality-ok{font-size:13.5px;color:var(--sage);margin:6px 0}.quality-row{padding:8px 0;border-bottom:1px solid var(--paper-line)}.quality-name{font-size:12.5px;color:var(--ink-soft);word-break:break-all}.photo-row{display:flex;gap:12px;align-items:center;background:var(--white);border-radius:12px;padding:10px;margin-bottom:10px;box-shadow:var(--shadow-sm)}.photo-row img{width:64px;height:64px;object-fit:cover;border-radius:8px;flex-shrink:0;background:var(--paper)}.photo-meta{min-width:0}.photo-name{font-size:13px;word-break:break-all}.photo-sub{font-size:12px;color:var(--ink-soft);margin-top:2px}.confirm-row{display:flex;align-items:flex-start;gap:10px;padding:12px 0;font-size:13.5px;line-height:1.5;cursor:pointer}.confirm-row input{width:22px;height:22px;margin-top:1px;flex-shrink:0}.prompt-details{margin-top:16px}.prompt-details summary{font-size:13px;color:var(--ink-soft);padding:12px 0;min-height:44px;cursor:pointer}.prompt-text{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;line-height:1.5;white-space:pre-wrap;word-break:break-word;background:var(--white);border-radius:12px;padding:14px;max-height:55vh;overflow-y:auto}.draft-row{background:var(--white);border-radius:12px;padding:12px;margin-bottom:10px;box-shadow:var(--shadow-sm);border-left:5px solid var(--sage)}.draft-row.nested{margin-left:18px;border-left-color:var(--lavender)}.draft-row.has-problem{border-left-color:var(--bad)}.draft-row-top{display:flex;align-items:center;gap:8px;margin-bottom:8px}.draft-kind{font-size:11px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--ink-soft)}.draft-star{color:var(--spiral);font-size:14px}.draft-page{margin-left:auto;font-size:12px;color:var(--ink-soft);display:flex;align-items:center;gap:6px}.page-input{width:64px;min-height:44px;padding:8px;font-family:inherit;font-size:14px;text-align:center;border:1.5px solid rgba(46,42,36,.12);border-radius:8px;background:var(--paper)}.draft-title{margin-bottom:6px}.draft-title-en{font-size:13px;color:var(--ink-soft)}.draft-actions{display:flex;gap:8px;margin-top:6px}.draft-actions button{width:44px;height:44px;border-radius:10px;border:1.5px solid rgba(46,42,36,.12);background:var(--paper);font-size:17px;color:var(--ink);cursor:pointer}.draft-actions button:disabled{opacity:.3;cursor:default}select.text-input{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-soft) 50%),linear-gradient(135deg,var(--ink-soft) 50%,transparent 50%);background-position:calc(100% - 18px) calc(50% + 2px),calc(100% - 13px) calc(50% + 2px);background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:34px}@media(min-width:700px){:root{--app-max-width: 640px}.content{padding:10px 26px 36px}}@media(min-width:1000px){:root{--app-max-width: 880px}.content{padding:14px 34px 44px}.subject-card{break-inside:avoid}.tile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;align-items:start}.tile-grid>.subject-card{margin-bottom:0}}@media(min-width:1300px){:root{--app-max-width: 1040px}.tile-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(min-width:1000px){.content>p,.content>.muted-text,.content>.ok-text,.content>.field-error,.note-card>p{max-width:68ch}}@media(min-height:500px)and (max-height:820px)and (min-width:900px){.home-hero{padding-top:8px;padding-bottom:4px}.lucky-stage{transform:scale(.85);transform-origin:top center}}@media(min-width:1000px){.spiral-rail{width:26px;background-size:26px 28px;background-image:radial-gradient(circle at 13px 14px,var(--spiral) 4.5px,transparent 5.5px)}.app{margin-left:26px}}.picker-list{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}.picker-row{display:flex;align-items:flex-start;gap:10px;width:100%;min-height:46px;padding:10px 12px;border:1.5px solid rgba(46,42,36,.12);border-radius:12px;background:var(--white);font-family:var(--font-body);font-size:14px;color:var(--ink);text-align:left;cursor:pointer}.picker-row:hover{border-color:#2e2a2447}.picker-row.active{border-color:var(--sage);background:var(--sage-bg)}.picker-page{flex:0 0 auto;min-width:42px;font-weight:600;color:var(--ink-soft);font-size:13px;padding-top:1px}.picker-text{flex:1;min-width:0;overflow-wrap:anywhere}.picker-text .en{display:block;font-size:12.5px;color:var(--ink-soft);margin-top:2px}.picker-group{font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft);margin:12px 0 6px}@media(min-width:1000px){.picker-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.picker-group{grid-column:1 / -1}}.prompt-text,.photo-name,.plan-line,.muted-text{overflow-wrap:anywhere}.meter{height:12px;border-radius:999px;background:#2e2a241a;overflow:hidden;margin:8px 0 6px}.meter-fill{height:100%;border-radius:999px;background:var(--sage);transition:width .4s ease}.meter-fill.warning{background:var(--gold)}.meter-fill.stopped{background:var(--bad)}.meter-row{display:flex;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--ink-soft)}.cap-row{display:flex;align-items:center;gap:8px;margin-top:10px}.cap-row .text-input{max-width:130px;margin:0}.job-mark{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;margin-right:8px;font-size:12px;font-weight:700;vertical-align:middle}.job-mark.ok{background:var(--sage-bg);color:var(--sage)}.job-mark.bad{background:var(--bad-bg);color:var(--bad)}.handwriting-card{background:var(--gold-bg);border:1px dashed var(--gold)}.handwriting-note{font-style:italic;color:var(--ink-soft);margin:4px 0}.figure-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}.issue-major{border:1px solid var(--bad);background:var(--bad-bg)}.parent-banner{background:var(--ink);color:var(--paper);font-size:12px;font-weight:700;text-align:center;padding:7px 10px;letter-spacing:.02em}.stage-card{display:flex;align-items:center;gap:14px;width:100%;text-align:left;font-family:inherit;background:var(--white);border-radius:14px;padding:16px;margin-bottom:12px;box-shadow:var(--shadow-sm);cursor:pointer;border:2px solid transparent}.stage-card.locked{opacity:.55}.stage-card.current{border-color:var(--gold)}.stage-card.shake{animation:shakeRow .4s}.stage-icon{width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0;background:var(--badge-bg, rgba(46, 42, 36, .08));color:var(--badge-fg, var(--ink-soft))}.stage-card.done .stage-icon{background:var(--sage-bg);color:var(--sage)}.stage-card.current .stage-icon{background:var(--gold-bg);color:#8a5a1e}.stage-text{flex:1;min-width:0}.stage-text .th-title{font-size:14.5px;font-weight:700}.stage-text .stage-sub{font-size:12px;color:var(--ink-soft);margin-top:2px}.stage-score{font-size:12.5px;font-weight:700;color:var(--sage);flex-shrink:0;white-space:nowrap}.dots-row{display:flex;gap:6px;justify-content:center;margin:14px 0 16px;flex-wrap:wrap}.dot{width:7px;height:7px;border-radius:50%;background:#2e2a242e}.dot.active{background:var(--gold);width:18px;border-radius:5px}.source-tag{display:inline-flex;align-items:center;gap:5px;font-size:10.5px;font-weight:700;letter-spacing:.03em;color:var(--ink-soft);background:#2e2a240f;padding:4px 10px;border-radius:999px;margin-bottom:12px}.slide-title{font-family:var(--font-display);font-weight:700;font-size:19px;margin-bottom:10px;line-height:1.35}.slide-title .both-en{font-size:.62em}.slide-body{font-size:14.5px;line-height:1.65;color:var(--ink)}.slide-body .both-en{font-size:.88em;margin-top:6px;color:var(--ink-soft)}.slide-figure{display:block;max-width:100%;border-radius:10px;margin:12px 0 4px;box-shadow:var(--shadow-sm)}.slide-figure-caption{font-size:11.5px;color:var(--ink-soft);margin-top:4px}.nav-row{display:flex;gap:10px;margin-top:6px}.nav-row .primary-btn,.nav-row .secondary-btn{flex:1}.help-label{font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft);margin:18px 0 10px 2px;display:flex;align-items:center;gap:9px}.help-label .mini-bird{width:76px;height:76px;flex-shrink:0}.help-row{display:flex;flex-direction:column;gap:8px;margin-bottom:6px}.help-btn{display:flex;align-items:center;gap:10px;width:100%;background:var(--lavender-bg);border:1.5px solid var(--lavender-edge);border-radius:13px;padding:12px 13px;cursor:pointer;font-family:inherit;font-size:13.5px;font-weight:700;color:#463a66;text-align:left;min-height:46px;transition:transform .12s,box-shadow .12s}.help-btn:active{transform:scale(.985)}.help-btn.open{background:var(--lavender);border-color:var(--lavender);color:#fff}.help-btn .ico{font-size:16px;flex-shrink:0;width:20px;text-align:center}.help-btn .txt{flex:1;line-height:1.3}.help-btn .txt .both-en{font-size:.78em;font-weight:500;opacity:.75;color:inherit;margin-top:1px}.help-btn .chev{font-size:13px;opacity:.6;flex-shrink:0;transition:transform .2s}.help-btn.open .chev{transform:rotate(180deg)}.lucky-panel{position:relative;background:var(--lavender-bg);border-left:4px solid var(--lavender);border-radius:4px 14px 14px 4px;padding:14px 15px 15px 14px;margin:-2px 0 10px;animation:luckyPanelIn .22s ease-out}@keyframes luckyPanelIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.lucky-panel:before{content:"";position:absolute;top:-6px;left:26px;width:12px;height:12px;background:var(--lavender-bg);border-left:1.5px solid var(--lavender-edge);border-top:1.5px solid var(--lavender-edge);transform:rotate(45deg)}.lucky-panel-head{display:flex;align-items:center;gap:10px;margin-bottom:9px}.lucky-panel-head .lucky{flex-shrink:0}.lucky-drop-in{display:inline-block;flex-shrink:0;animation:luckyDropIn .45s cubic-bezier(.3,.6,.4,1) both}@keyframes luckyDropIn{0%{transform:translateY(-84px);opacity:0}65%{transform:translateY(8px);opacity:1}to{transform:translateY(0);opacity:1}}@media(prefers-reduced-motion:reduce){.lucky-drop-in{animation:none}}.lucky-panel-head .name{font-size:11px;font-weight:800;letter-spacing:.04em;color:var(--lavender);text-transform:uppercase}.lucky-panel-body{font-size:13.5px;line-height:1.68;color:#3a3450}.lucky-panel-body .both-en{font-size:.87em;color:#6b6288;margin-top:6px}.lucky-panel-body .work{display:block;background:#ffffffb3;border-radius:8px;padding:10px 12px;margin:9px 0;font-size:13.5px;line-height:1.85;font-weight:600}.lucky-panel.warn{background:var(--bad-bg);border-left-color:var(--bad)}.lucky-panel.warn:before{background:var(--bad-bg);border-color:#e7c9c3}.lucky-panel.warn .lucky-panel-head .name{color:#a8493c}.lucky-panel.warn .lucky-panel-body{color:#5c2c25}.lucky-panel.warn .lucky-panel-body .both-en{color:#8a5449}.flip-wrap{perspective:1200px;margin:10px 0 18px}.flip-card{position:relative;width:100%;height:230px;transform-style:preserve-3d;transition:transform .5s;cursor:pointer}.flip-card.flipped{transform:rotateY(180deg)}.flip-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;border-radius:14px;box-shadow:var(--shadow);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:24px}.flip-front{background:var(--white)}.flip-back{background:var(--sage);color:#fff;transform:rotateY(180deg)}.flip-face .eyebrow{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;opacity:.55;margin-bottom:10px}.flip-face .flip-text{font-size:16px;font-weight:700;line-height:1.4}.flip-face .flip-text .both-en{font-size:.72em;font-weight:500;opacity:.8;margin-top:8px}.tap-hint{text-align:center;font-size:12px;color:var(--ink-soft);margin-bottom:4px;font-weight:600}.card-nav{display:flex;align-items:center;justify-content:space-between;margin-top:14px}.arrow-btn{width:44px;height:44px;border-radius:50%;border:none;background:var(--white);box-shadow:var(--shadow-sm);font-size:16px;cursor:pointer}.arrow-btn:disabled{opacity:.3}.card-nav-centered{justify-content:center;gap:22px}.arrow-btn-lg{width:56px;height:56px;font-size:22px}.quiz-cta-row{margin-top:26px;display:flex;justify-content:center}.quiz-cta{width:auto;padding:10px 22px;font-size:13px}.quiz-q{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:16px}.quiz-q .both-en{font-size:.75em;font-weight:500;margin-top:6px}.quiz-option{display:block;width:100%;text-align:left;background:var(--white);border:2px solid rgba(46,42,36,.12);border-radius:12px;padding:13px 14px;margin-bottom:10px;font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer;min-height:44px}.quiz-option .both-en{font-size:.82em;font-weight:500;color:var(--ink-soft);margin-top:2px}.quiz-option.correct{border-color:var(--sage);background:var(--sage-bg)}.quiz-option.incorrect{border-color:var(--bad);background:var(--bad-bg)}.quiz-option.disabled{cursor:default}.feedback-banner{border-radius:12px;padding:12px 14px;margin:12px 0;font-weight:700;font-size:13.5px;display:flex;align-items:center;gap:8px}.feedback-banner.good{background:var(--sage-bg);color:#2e4a34}.feedback-banner.bad{background:var(--bad-bg);color:#6e2e26}.explain-box{background:#2e2a240d;border-radius:10px;padding:13px 14px;font-size:13px;line-height:1.55;margin-bottom:14px}.explain-box .eyebrow{font-size:10.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:5px}.explain-box .both-en{font-size:.85em;color:var(--ink-soft);margin-top:5px}.results-score{text-align:center;font-family:var(--font-display);font-size:44px;font-weight:700;margin:8px 0 2px}.results-outof{text-align:center;color:var(--ink-soft);font-size:13px;font-weight:600;margin-bottom:10px}.results-msg{text-align:center;font-size:14.5px;font-weight:600;margin:10px 0 20px}.results-msg .both-en{font-size:.8em;font-weight:500}.confetti-wrap{position:relative;height:0}.confetti-emoji{position:absolute;font-size:20px;animation:confettiPop 1.2s ease-out forwards;opacity:0}@keyframes confettiPop{0%{opacity:0;transform:translateY(0) scale(.5)}30%{opacity:1}to{opacity:0;transform:translateY(-60px) scale(1.1)}}.katex-inline .katex{font-size:1em}.review-count{color:var(--bad);font-weight:700}.sheet-row{display:flex;align-items:center;gap:12px;width:100%;min-height:56px;padding:12px 14px;margin-bottom:10px;background:var(--white);border:none;border-left:5px solid var(--tab-color, var(--sage));border-radius:10px;box-shadow:var(--shadow-sm);font-family:inherit;text-align:left;cursor:pointer}.sheet-icon{flex:0 0 30px;height:30px;display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--tab-color, var(--sage));background:#2e2a240d;border-radius:8px}.sheet-row-text{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0;font-size:14.5px;font-weight:600;color:var(--ink)}.sheet-row-text .both-en{font-size:.82em;font-weight:500}.sheet-kind{flex:0 0 auto;font-size:10.5px;font-weight:700;letter-spacing:.03em;color:var(--ink-soft);text-transform:uppercase}.sheet-card{border-top:4px solid var(--tab-color, var(--sage))}.sheet-card-rule{height:1px;background:var(--paper-line);margin:0 0 14px}.sheet-title{font-family:var(--font-display);font-size:19px;line-height:1.35;margin-bottom:14px}.sheet-title .both-en{font-size:.7em}.sheet-body{font-size:14.5px;line-height:1.85;color:var(--ink)}.sheet-body .both-en{font-size:.92em;display:block;margin-top:10px;padding-top:10px;border-top:1px dashed var(--paper-line)}.sheet-footnote{text-align:center;font-size:11px}.sheet-table-block{margin-top:20px}.sheet-table-title{font-size:12px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:8px}.sheet-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--paper-line);border-radius:8px}.sheet-table{width:100%;border-collapse:collapse;font-size:13px}.sheet-table th,.sheet-table td{padding:9px 11px;text-align:left;vertical-align:top;border-bottom:1px solid var(--paper-line);line-height:1.55}.sheet-table th{font-size:11px;font-weight:700;letter-spacing:.02em;color:var(--ink-soft);text-transform:uppercase;background:#2e2a240a;white-space:nowrap}.sheet-table tbody tr:last-child td{border-bottom:none}.sheet-table .mono-cell{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px}.periodic{margin-top:18px}.pt-detail{display:flex;align-items:center;gap:12px;min-height:74px;padding:10px 12px;margin-bottom:10px;background:#2e2a2408;border:1px dashed var(--paper-line);border-radius:10px}.pt-detail.empty{justify-content:center}.pt-hint{font-size:12px;color:var(--ink-soft);text-align:center;line-height:1.6}.pt-detail-badge{flex:0 0 54px;height:54px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:8px;border:1px solid rgba(46,42,36,.12)}.pt-detail-symbol{font-family:var(--font-display);font-size:20px;line-height:1;color:var(--ink)}.pt-detail-z{font-size:10px;color:var(--ink-soft)}.pt-detail-text{min-width:0}.pt-detail-name{font-size:15px;font-weight:600}.pt-detail-name-en{font-size:12px;color:var(--ink-soft)}.pt-detail-facts{font-size:11.5px;color:var(--ink-soft);margin-top:3px}.pt-detail-note{font-size:11px;color:var(--ink-soft);margin-top:3px;font-style:italic;line-height:1.5}.pt-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px}.pt-grid{display:grid;grid-template-columns:repeat(18,44px);grid-auto-rows:44px;gap:2px;width:max-content}.pt-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid rgba(46,42,36,.1);border-radius:5px;padding:0;font-family:inherit;color:var(--ink);cursor:pointer}.pt-cell.selected{outline:2px solid var(--ink);outline-offset:-2px}.pt-z{font-size:8.5px;line-height:1;color:var(--ink-soft)}.pt-symbol{font-family:var(--font-display);font-size:14px;line-height:1.15}.pt-fblock-label{display:flex;align-items:center;justify-content:flex-end;font-size:10px;line-height:1.3;color:var(--ink-soft);padding-right:6px;text-align:right}.pt-legend{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:12px;font-size:11px;color:var(--ink-soft)}.pt-legend-item{display:inline-flex;align-items:center;gap:5px}.pt-swatch{width:12px;height:12px;border-radius:3px;border:1px solid rgba(46,42,36,.12)}.el-alkali{background:#f2d4cf}.el-alkaline{background:#f7e3c6}.el-transition{background:#e0e6ef}.el-post-transition{background:#e3e8e0}.el-metalloid{background:#e8e3d0}.el-nonmetal{background:#d9e8dd}.el-halogen{background:#d6e9ee}.el-noble{background:#e6dff2}.el-lanthanide{background:#f0dfe8}.el-actinide{background:#f2e0d4}.el-unknown{background:#e6e3dd}.review-card{margin-bottom:16px}.review-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}.review-badge{font-size:10px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;padding:3px 8px;border-radius:999px}.review-badge.needs_review{background:var(--gold-bg);color:#8a6224}.review-badge.flagged{background:var(--bad-bg);color:var(--bad)}.review-subject{font-size:11px;color:var(--ink-soft)}.review-title{font-size:16px;margin-bottom:10px}.review-title .both-en{font-size:.75em;font-weight:500}.review-note{background:#2e2a240a;border-left:3px solid var(--gold);border-radius:0 8px 8px 0;padding:10px 12px;font-size:13px;line-height:1.75;margin-bottom:10px}.review-note .eyebrow{font-size:10px;font-weight:700;letter-spacing:.03em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:4px}.review-links{display:flex;gap:14px;margin-bottom:10px}.link-btn{background:none;border:none;padding:8px 0;font-family:inherit;font-size:12.5px;font-weight:600;color:var(--spiral);text-decoration:underline;cursor:pointer}.review-body{font-size:13.5px;line-height:1.8;padding:10px 0;border-top:1px dashed var(--paper-line);border-bottom:1px dashed var(--paper-line);margin-bottom:12px}.review-actions{display:flex;gap:10px}.review-actions-stack{display:flex;flex-direction:column;gap:8px}.review-textarea{font-size:13.5px;line-height:1.6;resize:vertical;min-height:84px}.primary-btn.small,.secondary-btn.small{flex:1;min-height:44px;margin:0;font-size:13.5px}.offline-banner{background:var(--ink);color:var(--paper);font-size:11.5px;font-weight:600;line-height:1.5;text-align:center;padding:7px 14px}.offline-banner.syncing{background:var(--sage)}.offline-subject{margin-bottom:16px}.offline-row{background:var(--white);border-radius:10px;box-shadow:var(--shadow-sm);margin-bottom:8px;overflow:hidden}.offline-row.nested{margin-left:14px;box-shadow:none;border:1px solid var(--paper-line)}.offline-row-head{display:flex;align-items:center;gap:10px;width:100%;min-height:52px;padding:11px 14px;background:none;border:none;font-family:inherit;text-align:left;cursor:pointer}.offline-row-text{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0;font-size:14px;font-weight:600}.offline-row-text .both-en{font-size:.83em;font-weight:500}.offline-row-meta{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--ink-soft);white-space:nowrap}.offline-saved-dot{color:var(--sage);font-weight:700}.offline-saved-line{padding:0 14px 10px;margin:0;font-size:11px}.offline-panel{padding:0 14px 14px;border-top:1px dashed var(--paper-line)}.offline-panel .primary-btn,.offline-panel .secondary-btn{margin-top:8px}.offline-choices{display:flex;flex-direction:column;gap:8px;margin:12px 0}.offline-choice{display:grid;grid-template-columns:1fr auto;gap:2px 10px;width:100%;min-height:56px;padding:10px 12px;background:var(--white);border:1.5px solid var(--paper-line);border-radius:10px;font-family:inherit;text-align:left;cursor:pointer}.offline-choice.active{border-color:var(--sage);background:var(--sage-bg)}.offline-choice-label{font-size:13.5px;font-weight:600}.offline-choice-size{grid-column:2;grid-row:1;font-size:13.5px;font-weight:700;color:var(--ink);white-space:nowrap}.offline-choice-note{grid-column:1 / -1;font-size:11.5px;line-height:1.5;color:var(--ink-soft)}.queue-card{display:flex;flex-direction:column;gap:8px;font-size:13px}.primary-btn.as-link{display:flex;align-items:center;justify-content:center;text-decoration:none}
