:root{font-family:"Trebuchet MS",Arial,sans-serif;color:#243746;background:#f8f7f2;--accent:#207e66;--soft:#e1f2dc;--dark:#173e32;--pop:#eac553}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:radial-gradient(ellipse at 95% 5%,var(--soft),transparent 48%),#f8f7f2;min-height:100vh}body[data-unit=seventh]{--accent:#b45527;--soft:#ffe8cc;--dark:#493350;--pop:#fac664}body[data-unit=eighth]{--accent:#6651bd;--soft:#e9e1fc;--dark:#24204a;--pop:#5ce4d4}body[data-unit=algebra1]{--accent:#216da0;--soft:#dff2fb;--dark:#173c55;--pop:#f7c66e}body[data-unit=geometry]{--accent:#a14177;--soft:#f9e3ef;--dark:#4c294a;--pop:#8ae1c3}body[data-unit=algebra2]{--accent:#776024;--soft:#f7eccb;--dark:#283d46;--pop:#fbbe71}header,main{max-width:1220px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;gap:12px}.brand{font-weight:900;color:var(--dark);text-decoration:none}.badge,.eyebrow{font-size:12px;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.badge{padding:8px 13px;background:var(--soft);border-radius:20px}.hero{display:flex;justify-content:space-between;gap:24px;align-items:center;margin:12px 0 26px}h1{font-size:clamp(38px,5vw,66px);letter-spacing:-.045em;line-height:1.02;margin:6px 0 12px;font-weight:900;color:var(--dark)}h2{font-size:24px;letter-spacing:-.02em;margin:0 0 14px}h3{font-size:17px;margin:20px 0 10px}p{line-height:1.6}.sub{color:#596670;margin:0;max-width:650px}.score{border:2px solid var(--dark);background:var(--pop);padding:14px 24px;border-radius:20px;min-width:155px}.score strong{font-size:37px;display:block}.score small{display:block}.card{background:white;border:1px solid #d9dfe0;border-radius:22px;padding:26px;box-shadow:0 7px 0 #d5dbe13b}.split{display:grid;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr);gap:24px;align-items:start}.intro{background:var(--dark);color:#fff;border:0;overflow:hidden}.intro .eyebrow{color:var(--pop)}.intro h2{font-size:30px}.intro svg{width:100%;max-height:290px}.intro p{color:#e2e9ec}.pill-row,.actions,.inline{display:flex;flex-wrap:wrap;gap:10px;align-items:center}button,.button{font:inherit;font-weight:800;background:var(--accent);color:white;border:0;border-radius:12px;padding:13px 18px;cursor:pointer;text-decoration:none;display:inline-block;text-align:center}button:hover,.button:hover{filter:brightness(.93)}button:disabled{opacity:.48;cursor:default}button.secondary,.button.secondary{background:white;color:var(--dark);border:1px solid #b9c4c9}button.danger{background:#a53848}input,select{font:inherit;border:1px solid #aab9c0;border-radius:10px;padding:12px;max-width:100%;color:#263c4c;background:#fff}input[type=checkbox]{accent-color:var(--accent);width:20px;height:20px;margin:0}label{font-size:14px;font-weight:800}.skills{display:grid;gap:8px;margin:16px 0 24px}.skill{display:flex;align-items:center;gap:12px;padding:11px 13px;border:1px solid #d6dedf;border-radius:11px;font-weight:600}.skill:has(input:checked){background:var(--soft);border-color:var(--accent)}.muted{font-size:13px;line-height:1.6;color:#64737a}.note{border-left:3px solid var(--accent);padding:0 0 0 15px}.error{color:#a5283c;font-weight:700;min-height:24px}.status{font-size:14px;color:var(--accent);font-weight:800}.progress{height:8px;border-radius:20px;background:#e5ebec;margin:14px 0 24px;overflow:hidden}.progress span{display:block;height:100%;background:var(--accent);transition:width .3s}.question{font-size:23px;font-weight:700;line-height:1.55;white-space:pre-line;margin:16px 0 20px}.question sup{font-size:.65em}.question .frac{display:inline-flex;vertical-align:middle;flex-direction:column;align-items:center;font-size:.9em;line-height:1.2;margin:0 .15em}.question .frac span:first-child{border-bottom:2px solid;padding:0 4px}.question .frac span:last-child{padding:1px 4px}.equation-entry{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:15px 0}.equation-entry input{width:92px}.fraction-entry{display:flex;flex-direction:column;width:86px;gap:3px}.fraction-entry input{width:86px;text-align:center;padding:8px}.fraction-entry hr{margin:0;border:0;border-top:2px solid var(--dark)}.entry-help{font-size:12px;color:#66747a;margin:8px 0 15px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin:14px 0}.choice{color:var(--dark);background:#f7fafb;border:1px solid #bbc9ce;text-align:left;min-height:48px;line-height:1.4}.choice[aria-pressed=true]{background:var(--soft);border:2px solid var(--accent)}.choice .frac{display:inline-flex;flex-direction:column;text-align:center;vertical-align:middle}.choice .frac span:first-child{border-bottom:1px solid}.feedback{min-height:26px;line-height:1.5;font-weight:700;font-size:15px}.correct{color:#21744e}.incorrect{color:#a53748}.hint-box{font-size:15px;background:var(--soft);padding:14px;border-radius:10px;line-height:1.5;margin:12px 0}.figure{max-width:390px;margin:12px auto}.figure svg{width:100%;height:auto}.math-table{border-collapse:collapse;margin:15px auto;min-width:220px;font-size:17px}.math-table th,.math-table td{border:1px solid #b5c4cc;padding:9px 16px;text-align:center}.arcade{background:var(--dark);color:white;padding:20px}.arcade h2{margin-bottom:6px}.board-wrap{position:relative;margin-top:15px;border-radius:15px;overflow:hidden;background:#122a30}.board{display:block;width:100%;height:auto;aspect-ratio:600/520;touch-action:none}.locked{position:absolute;inset:0;display:grid;place-items:center;background:#0e24354d;pointer-events:none}.locked span{background:#fff;color:var(--dark);padding:12px 18px;border-radius:14px;font-weight:900;box-shadow:0 4px 15px #0002}.arcade label{display:block;color:#e2e9f0;margin:10px 0}.arcade input[type=range]{width:100%;padding:0;accent-color:var(--pop)}.arcade .actions{margin-top:12px}.arcade button{background:var(--pop);color:var(--dark);flex:1;min-height:49px}.arcade-status{color:var(--pop);font-size:14px;font-weight:800;min-height:21px}.tools{display:flex;flex-wrap:wrap;gap:12px;align-items:end;margin-bottom:20px}.tools label{flex:1;min-width:220px}.tools input{display:block;width:100%;margin-top:7px}.table-scroll{overflow:auto}.results{border-collapse:collapse;width:100%;font-size:15px}.results th{text-align:left;background:var(--soft);padding:13px;white-space:nowrap}.results td{border-bottom:1px solid #e1e7e9;padding:14px 13px}.name-button{background:transparent;color:var(--accent);padding:0;text-decoration:underline}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:15px 0}.stat{background:var(--soft);border-radius:13px;padding:15px}.stat strong{font-size:27px;display:block}.dialog{border:0;border-radius:22px;width: min(900px,94vw);max-height:85vh;padding:25px;color:#243746}.dialog::backdrop{background:#15364690}.detail-row{font-size:13px;background:#f6f8f8;padding:12px;border-radius:10px;margin:8px 0}.detail-row .question{font-size:16px;margin:5px 0}footer{max-width:1200px;margin:20px auto;padding:15px 24px;font-size:12px;color:#64747c}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #eab64d;outline-offset:3px}.preview-banner{background:#fff3c5;color:#614511;padding:10px 20px;text-align:center;font-size:13px}.finish{text-align:center;padding:30px}.finish .trophy{font-size:60px}.finish h2{font-size:34px}.join-card{max-width:550px;margin:30px auto}.join-card input{width:100%;margin:9px 0 15px}.unit-switch{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.unit-switch button{padding:9px 12px;font-size:13px}.scoreboard h1{font-size:44px}.scoreboard .results{font-size:23px}.scoreboard .results td{padding:20px}.keyboard-note{font-size:12px;color:#d4e1e7}.teacher-signin{font-size:14px;color:var(--accent)}@media(max-width:820px){.split{grid-template-columns:1fr}.hero{align-items:start}.card{padding:21px}.score{min-width:130px;padding:12px 15px}.score strong{font-size:30px}header,main{padding:17px}.stats{grid-template-columns:1fr 1fr}.board-wrap{max-width:580px;margin:15px auto}.question{font-size:21px}}@media(max-width:480px){.badge{font-size:10px}.hero{gap:10px}h1{font-size:39px}.hero .score{min-width:105px}.score strong{font-size:26px}.choices{grid-template-columns:1fr}.card{padding:18px}.stats{grid-template-columns:1fr}.actions button,.actions .button{flex:1}.question{font-size:20px}.scoreboard .results{font-size:16px}}@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.coordinate{display:inline-block;white-space:nowrap}.question sup,.choice sup{vertical-align:super;line-height:0}.question .frac,.choice .frac{white-space:nowrap}.aim-goal{color:#fff1b6;font-weight:900;font-size:16px;line-height:1.4;padding:12px 14px;border:1px solid #ffffff35;border-radius:12px;background:#ffffff09}.scoring{margin:15px 0;padding:13px 16px;border-radius:12px;background:#ffffff0d}.scoring h3{color:var(--pop);font-size:16px;margin:0 0 8px}.scoring ul{padding-left:19px;margin:0;font-size:14px;line-height:1.65;color:#e9f0f3}#confetti{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:4}.award{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);background:#ffdc78;color:#203844;border:3px solid white;border-radius:17px;padding:13px 22px;font-size:clamp(22px,4vw,33px);font-weight:900;white-space:nowrap;box-shadow:0 6px 25px #0005;z-index:5;pointer-events:none}
.hint-box sup{font-size:.7em;vertical-align:super;line-height:0}.hint-box .frac{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;line-height:1.2;margin:0 3px}.hint-box .frac span:first-child{border-bottom:1px solid;padding:0 3px}.hint-box .frac span:last-child{padding:1px 3px}
.pair-entry{display:flex;flex-wrap:wrap;gap:12px;align-items:end}.pair-entry p{width:100%;margin:8px 0}.pair-entry label{flex:1;min-width:130px}.pair-entry input{width:100%;font-size:22px}.skill{border:2px solid #ccd9dd;border-radius:12px;padding:12px;cursor:pointer}.skill:has(input:checked){background:#e3f4ed;border-color:#348872}.skill:focus-within{outline:3px solid #e0af4f;outline-offset:2px}body[data-unit="sixthFractions"]{background:#e9e7fa}body[data-unit="seventhRationals"]{background:#efe7ee}body[data-unit="eighthLinear"]{background:#e7eef7}body[data-unit="algebra1Systems"]{background:#e8f1ec}body[data-unit="geometryTransforms"]{background:#edf0dd}body[data-unit="algebra2Poly"]{background:#f1e9de}
.skill-standard{display:block;grid-column:2;font-size:11px;font-weight:400;color:#506570;margin-top:4px}.skill{display:grid;grid-template-columns:20px 1fr;align-items:start}.skill input{margin-top:3px}#introFrame{width:100%;height:560px;border:0;border-radius:14px;background:#eef3f6;pointer-events:none}#legacyFrame{width:100%;height:1000px;border:0;background:#f5f7fa;border-radius:14px;display:block}#legacyFrame[hidden],#introFrame[hidden]{display:none}.board-wrap:has(#legacyFrame:not([hidden])){aspect-ratio:auto;min-height:700px}.stacked-fraction{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;font:inherit;line-height:1.15;margin:0 .12em}.stacked-fraction>span:first-child{border-bottom:2px solid;padding:0 .2em .1em}.stacked-fraction>span:last-child{padding-top:.1em}.question,.question *{font-family:inherit}.question svg{display:block;max-width:100%;max-height:340px;margin:10px auto}.plot-controls{display:flex;gap:8px;flex-wrap:wrap}.plot-grid{width:100%;max-width:430px;touch-action:manipulation}.plot-grid text{font-size:10px;fill:#324d5e}.plot-grid circle{fill:#c65a73;stroke:#fff;stroke-width:2}.plot-grid .selected{fill:#1e937d}.plot-grid:focus{outline:3px solid #dfb757}

body[data-unit^="library_claw"],body[data-unit="library_animal-claw"]{--accent:#7354a6;--soft:#e8ddfa;--dark:#40335d;--pop:#bbdff4}body[data-unit^="library_plinko"]{--accent:#316f93;--soft:#dceef6;--dark:#263c59;--pop:#ffcf83}body[data-unit^="library_gifts"]{--accent:#98608c;--soft:#fae4f4;--dark:#57385e;--pop:#f3da83}body[data-unit^="library_treasure"]{--accent:#98703d;--soft:#f5eacc;--dark:#3a5145;--pop:#f4cf72}.hint-box,.hint-box *{font-family:inherit}#figure svg{width:100%;max-width:430px;touch-action:manipulation}.equation-entry label{min-width:110px}.equation-entry label input{width:135px}.arcade:has(#legacyFrame:not([hidden])){background:#fff;color:var(--dark)}.arcade:has(#legacyFrame:not([hidden])) .muted,.arcade:has(#legacyFrame:not([hidden])) .scoring ul{color:#52616c}.arcade:has(#legacyFrame:not([hidden])) .aim-goal{color:var(--dark);background:var(--soft)}.arcade:has(#legacyFrame:not([hidden])) .scoring{background:#f2f5f5}.arcade:has(#legacyFrame:not([hidden])) .scoring h3{color:var(--dark)}

#introFrame{height:auto;max-height:560px;object-fit:contain}.board-wrap:has(#legacyFrame:not([hidden])){background:#f5f7fa}

.power-entry{display:flex;align-items:flex-end;gap:10px;padding:12px 0 8px}.power-entry label{display:flex;flex-direction:column;gap:6px}.power-entry input{width:120px;font-size:28px;text-align:center}.power-entry .exponent-field{align-self:flex-start;margin-top:-10px;font-size:14px}.power-entry .exponent-field input{width:72px;font-size:20px;padding:10px}

.answer-format-setup{padding:20px;margin:20px 0;border:2px solid #7c66b4;border-radius:16px;background:#f4f0fc;color:#243746}.answer-format-setup h3{margin:0 0 8px;font-size:21px}.answer-format-setup p{margin:8px 0}.answer-format-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.format-option{background:white;color:#243746;border:2px solid #b9afcf;padding:16px;text-align:left;font:inherit;font-weight:800;cursor:pointer;border-radius:12px}.format-option small{display:block;margin-top:7px;font-weight:400}.format-option[aria-pressed="true"]{background:#e2d8f7;border-color:#5e4292;box-shadow:0 0 0 2px #5e4292}.format-option:focus-visible{outline:3px solid #207e66;outline-offset:3px}.format-status{font-weight:800}@media(max-width:420px){.answer-format-buttons{grid-template-columns:1fr}}

/* Math data tables: bordered cells, independent of scoreboard styling. */
.question table,.figure table,.detail-row table,#prompt table,.prompt table{border-collapse:collapse;border:2px solid #526777;background:#fff;color:#243746;width:auto;max-width:100%;min-width:180px;margin:16px auto;font-size:18px;line-height:1.4;text-align:center}
.question table th,.question table td,.figure table th,.figure table td,.detail-row table th,.detail-row table td,#prompt table th,#prompt table td,.prompt table th,.prompt table td{border:2px solid #526777;padding:9px 16px;text-align:center;color:#243746;font-size:18px;white-space:nowrap}
.question table th,.figure table th,.detail-row table th,#prompt table th,.prompt table th{background:#e9f0f7;font-weight:800}
.question table caption,.figure table caption,.detail-row table caption,#prompt table caption,.prompt table caption{font-size:14px;color:#43586a;margin-bottom:8px;font-weight:700}
@media(max-width:420px){.question table th,.question table td,.figure table th,.figure table td,.detail-row table th,.detail-row table td,#prompt table th,#prompt table td,.prompt table th,.prompt table td{padding:8px 12px;font-size:17px}}

.math-expression,.question .equation,#prompt .equation,.prompt .equation{display:inline-block;vertical-align:middle;white-space:nowrap;max-width:100%;overflow-x:auto;overflow-y:hidden;font-size:clamp(18px,2vw,23px);line-height:1.65;padding:2px 0;scrollbar-width:thin}.question .equation,#prompt .equation,.prompt .equation{display:block}.question .math-expression sup{vertical-align:super}.library-home{white-space:nowrap;border:2px solid currentColor;padding:10px 14px;border-radius:12px;font-weight:800;text-decoration:none}.question svg text,#prompt svg text{font-family:Arial,sans-serif}

.next-question-box{margin-top:18px}.next-question-box button{width:100%;border:2px solid var(--dark);padding:17px;font-size:19px;background:var(--soft);color:var(--dark)}

.moving-aim-track{position:relative;height:38px;background:linear-gradient(90deg,#c1778b,#f6d788 35%,#f6d788 65%,#c1778b);border:2px solid #647086;border-radius:10px;overflow:hidden;margin:12px 0}.moving-aim-zone{position:absolute;left:43%;width:14%;top:0;bottom:0;background:#5fb899}.moving-aim-needle{position:absolute;top:0;bottom:0;width:4px;background:white;box-shadow:0 0 0 2px #293853;transform:translateX(-50%)}

body[data-unit=multiplicationFacts]{--accent:#8060ab;--soft:#ece2fb;--dark:#584184;--pop:#f4c66c}body[data-unit=multiplicationFacts] .question{font-size:clamp(32px,5vw,48px)}.fact-number-pad{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;max-width:330px;margin:16px 0}.fact-number-pad button{min-height:52px;font-size:23px;background:#f0e9fb;border:1px solid #c6b3e0;color:#584184}.fact-groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:10px}.fact-dot-group{padding:10px;border:2px solid #c9b7e2;border-radius:12px;background:#faf7ff}.fact-dot-group small{display:block;margin-bottom:8px;color:#584184}.fact-dots{display:grid;grid-template-columns:repeat(5,14px);gap:5px}.fact-dot{width:14px;height:14px;background:#8568ad;border-radius:50%;display:block}.fact-zero{font-weight:bold}body[data-unit=multiplicationFacts] .equation-entry input{font-size:27px;min-height:58px}body[data-unit=multiplicationFacts] .hero .sub{max-width:500px}

body[data-unit=divisionFacts]{--accent:#287a92;--soft:#ddf3f5;--dark:#243e5a;--pop:#ffdc88}

body[data-unit=lockerFive]{--accent:#6b56ae;--soft:#eee6fa;--dark:#302744;--pop:#ffe19b;padding-bottom:125px}.locker-collection{position:fixed;bottom:8px;left:50%;transform:translateX(-50%);z-index:20;background:#fff8e9;border:2px solid #8e77bd;border-radius:16px;padding:9px 12px;width:min(920px,96vw);box-shadow:0 3px 15px #30274430}.locker-prize-tray{display:grid;grid-template-columns:repeat(32,minmax(0,1fr));gap:3px;margin-top:5px}.locker-prize-tray span{font-size:23px;text-align:center;border-radius:5px}.locker-prize-tray .missing{filter:grayscale(1);opacity:.28}.locker-prize-tray .collected{background:#ffe19b}.diagnostic-setup{padding:16px;border:1px solid #b6a4d0;border-radius:15px;margin:18px 0}.diagnostic-setup select{display:block;margin:10px 0}.diagnostic-setup .actions{margin-top:15px}.detail-row+button{margin:5px}#detailBody p button{margin:8px}#detailBody p input{width:100%;margin:8px 0}@media(max-width:700px){.locker-prize-tray{grid-template-columns:repeat(16,minmax(0,1fr))}.locker-prize-tray span{font-size:20px}.locker-collection strong{font-size:12px}}

body[data-unit=lockerSixth],body[data-unit=lockerSeventh],body[data-unit=lockerEighth],body[data-unit=lockerAlgebra1]{padding-bottom:125px;--accent:#6b56ae;--soft:#eee6fa;--dark:#302744;--pop:#ffe19b}

.radical-entry{display:flex;align-items:flex-end;gap:8px;margin:12px 0}.radical-entry input{width:110px;display:block}.radical-entry strong{font-size:52px;line-height:1}.radicand-field input{border-top:3px solid var(--dark)}

.remainder-entry{display:flex;align-items:flex-end;gap:12px;margin:12px 0}.remainder-entry input{display:block;width:130px}.remainder-entry strong{font-size:27px;margin-bottom:10px}body[data-unit=fourPlace]{--accent:#6b56ae;--soft:#eee6fa;--dark:#302744;--pop:#ffe19b}body[data-unit=fourAdd]{--accent:#277d86;--soft:#dff3f5;--dark:#243e5a;--pop:#ffdc88}body[data-unit=fourMultiply]{--accent:#a54177;--soft:#fce4ef;--dark:#4c294a;--pop:#ffe19b}body[data-unit=fourDivide]{--accent:#a26827;--soft:#fff0d7;--dark:#4f3826;--pop:#f8cf68}body[data-unit=fourFactors]{--accent:#3a75a6;--soft:#dceeff;--dark:#173c55;--pop:#ffda76}body[data-unit=fourWords]{--accent:#478353;--soft:#e3f1dd;--dark:#24412c;--pop:#f5d268}

body[data-unit=fourPlace]{padding-bottom:125px}

.split>*,.choices>*,.question,.figure{min-width:0;max-width:100%}.choices{grid-template-columns:repeat(2,minmax(0,1fr))}.choice{min-width:0;max-width:100%;height:auto;white-space:normal;overflow-wrap:anywhere}.question .coordinate-list,.choice .coordinate-list{white-space:normal;display:inline}.question .coordinate,.choice .coordinate{white-space:nowrap;display:inline-block}.figure svg,.question svg{max-width:100%;height:auto}.question .math-expression,.choice .math-expression{max-width:100%;overflow-x:auto;overflow-y:hidden}.question table{display:block;overflow-x:auto}.question{position:relative;overflow-wrap:break-word}.choices{position:relative;clear:both}@media(max-width:650px){.choices{grid-template-columns:minmax(0,1fr)}}

.stack-personal{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0;padding:12px;background:#ffffff13;border:1px solid #ffffff35;border-radius:13px}.stack-personal span{background:#fff1d3;color:#263847;border-radius:9px;padding:8px 11px;font-size:18px;font-weight:700}.stack-personal small{display:block;flex-basis:100%;font-size:14px;color:inherit}#finish .stack-personal{background:#eff5fa;color:#263847}.stack-personal[hidden]{display:none}

body[data-unit=stackThird]{--accent:#367b64;--soft:#dff4e4;--dark:#244638;--pop:#ffd383}body[data-unit=stackFourth]{--accent:#356da0;--soft:#e0effc;--dark:#244866;--pop:#ffe1a0}body[data-unit=stackFifth]{--accent:#765499;--soft:#f0e5fa;--dark:#4b3765;--pop:#fbdc9c}body[data-unit=stackSixth]{--accent:#287d83;--soft:#dcf3f2;--dark:#245561;--pop:#ffdb9a}body[data-unit=stackSeventh]{--accent:#ae623b;--soft:#ffeadb;--dark:#5c3548;--pop:#ffd578}body[data-unit=stackEighth]{--accent:#586ab1;--soft:#e3e9fc;--dark:#304371;--pop:#ffdc8e}body[data-unit=stackAlgebra1]{--accent:#9a5475;--soft:#fae7ef;--dark:#62384b;--pop:#ffdfa0}body[data-unit=stackGeometry]{--accent:#3e7a68;--soft:#e2f1e8;--dark:#315348;--pop:#ffe4a6}body[data-unit=stackAlgebra2]{--accent:#85702f;--soft:#faf0d3;--dark:#504838;--pop:#ffcf77}

.slope-compare-entry{padding:16px;margin:10px 0 18px;border:2px solid var(--accent);border-radius:14px;background:var(--soft)}.slope-compare-entry h3{margin:0 0 8px}.slope-compare-entry input{width:100%;min-width:0}.slope-compare-entry .pair-entry{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.slope-compare-entry button{margin-top:12px}.slope-compare-entry p{margin:8px 0}

.answer-instructions{padding:12px 14px;border-left:4px solid var(--accent);background:var(--soft);border-radius:8px;font-size:16px;line-height:1.5;margin:10px 0 18px}#quotientEntry label{display:block;margin:12px 0}#quotientEntry input{width:100%}
/* Construction workspace keeps its controls outside the diagram and answers below it. */
.construction-studio{width:100%;min-width:0}.construction-studio svg{display:block;width:100%;max-width:520px;margin:8px auto;border:2px solid #53677a;border-radius:14px}.construction-tools{display:flex;flex-wrap:wrap;align-items:end;gap:8px}.construction-tools button{font-size:17px;padding:10px 12px}.construction-tools button[aria-pressed="true"]{background:#6946b5;color:white}.construction-tools label{font-size:16px;display:flex;flex-direction:column;max-width:170px}.construction-tools input{width:100%;min-width:0}.choices .choice svg{display:block;width:100%;max-width:240px;margin:auto}.choices .choice svg text{font-size:14px;fill:#284f64}.math-table{border-collapse:collapse;width:100%}.math-table th,.math-table td{border:2px solid #53677a;padding:10px}.standards-review p{font-size:18px;line-height:1.5}
body[data-unit="plinkoGeometryAll"]{--accent:#7750a2;--soft:#eee3fa;--dark:#38264f;--pop:#8fe5d3}body[data-unit="plinkoAlgebra2All"]{--accent:#2c6b8f;--soft:#deedf7;--dark:#20334c;--pop:#ffcf83}.figure:has(table){overflow-x:auto}.figure:has(table) table{max-width:100%}
.proof-studio{width:100%;min-width:0}.proof-given,.proof-goal{font-size:21px;line-height:1.45;padding:12px;background:#f1ebfc;border-radius:12px}.proof-goal{background:#def3ed;font-weight:bold}.proof-level{font-size:17px;color:#53677a}.proof-table{border-collapse:collapse;width:100%!important;margin:14px 0!important;table-layout:fixed;min-width:0!important}.proof-table th,.proof-table td{border:2px solid #53677a;padding:7px!important;white-space:normal!important;font-size:18px!important;overflow-wrap:anywhere;text-align:left!important;vertical-align:top}.proof-table th:first-child{width:42px}.proof-table thead th{background:#e9e0f8}.proof-table caption{font-size:18px;text-align:left;padding:8px}.proof-cell{width:100%;min-height:72px;padding:10px;font-size:18px;line-height:1.35;background:#fff;color:#253b50;border:2px dashed #b29bcc;border-radius:9px;text-align:left;white-space:normal;overflow-wrap:anywhere}.proof-cell.filled{border-style:solid;background:#eee5fc}.proof-cell.proof-fixed{border-color:#7aa59a;background:#e3f2ec;opacity:1;color:#234a3c}.proof-card-banks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.proof-bank{min-width:0;padding:12px;background:#f6f1fa;border:2px solid #dfd3ec;border-radius:12px}.proof-bank h3{font-size:25px}.proof-bank-list{display:flex;flex-direction:column;gap:10px}.proof-card{width:100%;font-size:18px;line-height:1.4;padding:12px;white-space:normal;overflow-wrap:anywhere;text-align:left;background:#7750a2;color:#fff;cursor:grab;touch-action:manipulation}.proof-card[aria-pressed="true"]{outline:4px solid #efb453;background:#50317b}.proof-card:focus-visible,.proof-cell:focus-visible{outline:4px solid #efb453}.proof-card:disabled{cursor:default}.proof-studio .actions button{font-size:18px}@media(max-width:600px){.proof-card-banks{grid-template-columns:1fr}.proof-table th,.proof-table td{font-size:16px!important;padding:4px!important}.proof-cell{font-size:17px;padding:8px;min-height:82px}.proof-table th:first-child{width:32px}.proof-given,.proof-goal{font-size:19px}}

.marble-builder{background:#eef8fa;color:#203f53;border:2px solid #8dc5cd;border-radius:16px;padding:16px;margin:16px 0}.marble-builder h3{margin:0 0 12px;font-size:23px}.marble-pieces{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.marble-pieces button{font-size:18px;padding:14px 8px;background:#fff;color:#254154;border:2px solid #bccfdd}.marble-pieces button[aria-pressed=true]{background:#d6f4eb;border-color:#268c79;box-shadow:0 0 0 2px #268c79}.marble-builder .muted{color:#35576b!important;font-size:17px;line-height:1.45}.marble-builder>button{width:100%;font-size:16px}@media(max-width:600px){.marble-pieces{grid-template-columns:1fr}.marble-pieces button{padding:12px}}

.marble-slots{margin-bottom:12px}.marble-slots button{font-size:16px;background:#e7eff8}.marble-slots button[aria-pressed=true]{background:#d5f2e7}.marble-builder h3{line-height:1.3}