.math-v3-page{background:radial-gradient(circle at 12% 12%, #6fb4ff1f, transparent 30rem), radial-gradient(circle at 88% 8%, #9170ff1a, transparent 28rem), var(--background,#08101f);min-height:100vh;color:var(--foreground,#f7f9ff)}.math-v3-hero{background:linear-gradient(#101f3af5,#08101feb);border-bottom:1px solid #ffffff1a}.math-v3-hero-inner{grid-template-columns:minmax(0,1.5fr) minmax(240px,.5fr);gap:2rem;padding-top:4.5rem;padding-bottom:3.5rem;display:grid}.math-v3-hero h1{max-width:920px;margin:.45rem 0 1rem;font-size:clamp(2.5rem,6vw,5.4rem);line-height:.95}.math-v3-deck{color:#ebf1ffc7;max-width:800px;font-size:clamp(1.05rem,2vw,1.35rem)}.math-v3-meta{flex-wrap:wrap;gap:.65rem;margin-top:1.3rem;display:flex}.math-v3-meta span{background:#ffffff0a;border:1px solid #ffffff1f;border-radius:999px;padding:.55rem .8rem;font-size:.86rem}.math-v3-hero aside{background:#ffffff0b;border:1px solid #ffffff1f;border-radius:1.4rem;align-self:end;gap:.55rem;padding:1.3rem;display:grid}.math-v3-hero aside strong{margin-bottom:.35rem}.math-v3-hero aside span{color:#ebf1ffb3}.math-v3-content{padding-top:1.4rem;padding-bottom:5rem}.math-v3-breadcrumb{color:#ebf1ffa3;flex-wrap:wrap;gap:.55rem;padding:1rem 0 1.6rem;font-size:.9rem;display:flex}.math-v3-breadcrumb a{color:inherit}.math-v3-panel{background:#0c182dcc;border:1px solid #ffffff1a;border-radius:1.55rem;margin:1rem 0 1.4rem;padding:clamp(1.2rem,3vw,2.2rem);box-shadow:0 24px 70px #00000029}.math-v3-panel>h2,.math-v3-source-note h2{margin:.25rem 0 1.2rem;font-size:clamp(1.55rem,3vw,2.25rem)}.math-v3-objectives{gap:.75rem;margin:0;padding-left:1.2rem;display:grid}.math-v3-objectives li{padding-left:.25rem;line-height:1.6}.math-v3-prereq-grid,.math-v3-explanation-grid,.math-v3-mistake-grid,.math-v3-example-grid{gap:1rem;display:grid}.math-v3-prereq-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.math-v3-explanation-grid{grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}.math-v3-mistake-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.math-v3-example-grid{grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}.math-v3-prereq-grid article,.math-v3-explanation-grid article,.math-v3-mistake-grid article,.math-v3-example-grid article{background:#ffffff09;border:1px solid #ffffff17;border-radius:1.1rem;padding:1.05rem}.math-v3-explanation-grid article>span,.math-v3-example-grid article>span{background:#8ab4ff24;border-radius:999px;justify-content:center;align-items:center;width:2rem;height:2rem;font-size:.78rem;font-weight:800;display:inline-flex}.math-v3-explanation-grid h3,.math-v3-example-grid h3{margin:.8rem 0 .5rem}.math-v3-explanation-grid p,.math-v3-example-grid p,.math-v3-mistake-grid p,.math-v3-prereq-grid p{color:#ebf1ffb8;line-height:1.62}.math-v3-example-grid strong{margin:.6rem 0;font-size:1.08rem;display:block}.math-v3-tool-card{background:linear-gradient(145deg,#2d528738,#ffffff06);border:1px solid #94beff2e;border-radius:1.25rem;padding:1.2rem}.math-v3-tool-card h3{margin:0 0 .35rem;font-size:1.35rem}.math-v3-tool-card>p{color:#ebf1ffb3}.math-v3-control-stack{gap:.85rem;margin:1.2rem 0;display:grid}.math-v3-range{grid-template-columns:120px minmax(120px,1fr) 52px;align-items:center;gap:.8rem;display:grid}.math-v3-range strong{text-align:right}.math-v3-model-result,.math-v3-tool-card output{margin-top:1rem;font-weight:800;display:block}.math-v3-place-value-model{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}.math-v3-place-value-model div{text-align:center;background:#0000001f;border:1px solid #ffffff1a;border-radius:1rem;gap:.25rem;padding:1rem .6rem;display:grid}.math-v3-place-value-model b{font-size:2rem}.math-v3-place-value-model span,.math-v3-place-value-model small{color:#ebf1ffa8}.math-v3-balance-result{justify-content:center;align-items:center;gap:1.25rem;padding:1.1rem;font-size:2.4rem;display:flex!important}.math-v3-balance-result strong{font-size:2.8rem}.math-v3-fraction-bar{gap:4px;min-height:120px;margin:1rem 0;display:grid}.math-v3-fraction-bar span{background:#ffffff09;border:2px solid #fff6;border-radius:.65rem;justify-content:center;align-items:center;display:flex}.math-v3-fraction-bar span[data-filled=true]{background:#75aaff4d}.math-v3-array-grid{gap:6px;max-width:440px;margin:1rem auto;display:grid}.math-v3-array-grid span{aspect-ratio:1;background:#7eb4ff40;border:1px solid #ffffff29;border-radius:.45rem}.math-v3-shape-buttons{flex-wrap:wrap;gap:.55rem;margin:1rem 0;display:flex}.math-v3-shape-buttons button,.math-v3-game-card button{color:inherit;cursor:pointer;background:#ffffff0e;border:1px solid #ffffff29;border-radius:999px;padding:.65rem .9rem}.math-v3-shape-buttons button[aria-pressed=true]{background:#7eb4ff3d;border-color:#98c3ff80}.math-v3-shape-stage{place-items:center;min-height:220px;display:grid}.math-v3-shape-stage svg{width:180px;max-width:50%}.math-v3-shape-stage polygon{fill:#7eb4ff38;stroke:currentColor;stroke-width:3px}.math-v3-cube-symbol,.math-v3-cylinder-symbol{font-size:8rem;line-height:1}.math-v3-bars{border-bottom:1px solid #fff3;border-left:1px solid #fff3;justify-content:center;align-items:flex-end;gap:1rem;height:220px;padding:1rem;display:flex}.math-v3-bars div{flex-direction:column;justify-content:flex-end;align-items:center;gap:.3rem;min-width:70px;height:100%;display:flex}.math-v3-bars span{background:#7eb4ff52;border:1px solid #ffffff2e;border-radius:.5rem .5rem 0 0;width:100%;min-height:4px}.math-v3-task-list{background:#ffffff08;border-radius:1rem;margin-top:1rem;padding:1rem}.math-v3-task-list ul{flex-wrap:wrap;gap:.5rem 1.4rem;margin:.65rem 0 0;display:flex}.math-v3-practice-list{gap:.65rem;display:grid}.math-v3-practice-list details,.math-v3-two-column details{background:#ffffff06;border:1px solid #ffffff17;border-radius:.9rem;padding:.8rem 1rem}.math-v3-practice-list summary,.math-v3-two-column summary{cursor:pointer;font-weight:700}.math-v3-practice-list summary span{color:#b4ceffb8;width:2rem;display:inline-flex}.math-v3-practice-list p,.math-v3-two-column p{color:#ebf1ffbd}.math-v3-two-column{grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem;display:grid}.math-v3-two-column ul{gap:.65rem;display:grid}.math-v3-game{overflow:hidden}.math-v3-game-card{background:#7eb4ff17;border-radius:1.2rem;gap:1rem;margin:1rem 0;padding:1.2rem;display:grid}.math-v3-game-card>strong{font-size:1.25rem}.math-v3-game-card>div{flex-wrap:wrap;gap:.6rem;display:flex}.math-v3-terms{grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:.8rem;display:grid}.math-v3-terms div{border:1px solid #ffffff17;border-radius:1rem;padding:1rem}.math-v3-terms dt{margin-bottom:.35rem;font-weight:850}.math-v3-terms dd{color:#ebf1ffb8;margin:0;line-height:1.55}.math-v3-related{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.75rem;display:grid}.math-v3-related a{background:#ffffff08;border:1px solid #ffffff1a;border-radius:1rem;gap:.25rem;padding:1rem;display:grid}.math-v3-related small{color:#b4ceffb3}.math-v3-source-note{background:#ffffff06;border:1px solid #ffffff1a;border-radius:1.4rem;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:1.4rem;margin:1.3rem 0;padding:1.5rem;display:grid}.math-v3-source-note article{margin:.7rem 0}.math-v3-source-note article p{color:#ebf1ffb8;margin:.2rem 0}.math-v3-source-note article small{color:#ebf1ff8c}.math-v3-end{margin-top:1.5rem}.math-v3-tool.math-v3-flashcards{gap:.9rem;display:grid}.math-v3-tool.math-v3-flashcards>button{min-height:150px;color:inherit;cursor:pointer;background:#7eb4ff1a;border:1px solid #ffffff24;border-radius:1.2rem;padding:1.2rem;font-size:1.3rem}.math-v3-tool.math-v3-flashcards>div{flex-wrap:wrap;gap:.55rem;display:flex}.math-v3-tool.math-v3-flashcards>div button,.math-v3-number-line button,.math-v3-ten-frame button{color:inherit;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff24;border-radius:.75rem;padding:.55rem .75rem}.math-v3-number-line ol{gap:.3rem;padding:0;list-style:none;display:flex;overflow-x:auto}.math-v3-number-line li{flex:1;min-width:42px}.math-v3-number-line li button{width:100%}.math-v3-number-line li button[aria-pressed=true]{background:#7eb4ff40}.math-v3-number-line [role=group]{justify-content:center;align-items:center;gap:.8rem;margin:1rem 0;display:flex}.math-v3-number-line output{text-align:center;min-width:3rem;font-size:2rem}.math-v3-ten-frame [role=group]:first-of-type{grid-template-columns:repeat(5,1fr);gap:.4rem;max-width:420px;margin:1rem auto;display:grid}.math-v3-ten-frame [role=group]:first-of-type button{aspect-ratio:1;font-size:1.4rem}.math-v3-ten-frame>div:last-of-type{justify-content:center;align-items:center;gap:.8rem;display:flex}.math-v3-ten-frame output{text-align:center;min-width:3rem;font-size:2rem}@media (max-width:760px){.math-v3-hero-inner,.math-v3-source-note,.math-v3-two-column{grid-template-columns:1fr}.math-v3-range{grid-template-columns:1fr 52px}.math-v3-range span{grid-column:1/-1}.math-v3-example-grid{grid-template-columns:1fr}.math-v3-place-value-model{grid-template-columns:1fr 1fr 1fr}.math-v3-bars div{min-width:52px}}.math-v3-math-box{position:relative;overflow:hidden}.math-v3-math-box:before{content:"MATH BOX";letter-spacing:.14em;opacity:.5;font-size:.72rem;font-weight:900;position:absolute;top:18px;right:20px}.math-v3-math-box-intro{color:#ebf1ffb8;max-width:760px;margin:-4px 0 18px;line-height:1.6}@media (max-width:700px){.math-v3-math-box:before{margin-bottom:10px;display:inline-block;position:static}}.math-v3-clock-face{aspect-ratio:1;background:radial-gradient(circle,#ffffff14 0 5%,#0000 6%),#ffffff06;border:3px solid;border-radius:50%;width:min(220px,70vw);margin:1.2rem auto;position:relative}.math-v3-clock-face:before,.math-v3-clock-face:after{opacity:.7;place-items:start center;font-weight:800;display:grid;position:absolute;inset:8%}.math-v3-clock-face:before{content:"12"}.math-v3-clock-face:after{content:"6";transform:rotate(180deg)}.math-v3-clock-center{z-index:3;background:currentColor;border-radius:50%;width:12px;height:12px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.math-v3-clock-hand{transform-origin:50% 100%;background:currentColor;border-radius:999px;width:4px;position:absolute;bottom:50%;left:50%}.math-v3-clock-hour{height:27%}.math-v3-clock-minute{opacity:.75;height:38%}.math-v3-decimal-place-model{grid-template-columns:repeat(4,minmax(0,1fr))}.math-v3-area-model{grid-template-columns:2fr 1fr;gap:.55rem;max-width:520px;margin:1rem auto;display:grid}.math-v3-area-model span{background:#7eb4ff1f;border:1px solid #ffffff24;border-radius:.9rem;place-items:center;min-height:86px;font-weight:850;display:grid}.math-v3-angle-stage{background:#ffffff06;border-radius:1rem;min-height:220px;margin:1rem 0;position:relative;overflow:hidden}.math-v3-angle-stage>span{font-weight:900;position:absolute;bottom:45%;left:50%;transform:translate(14px,-8px)}.math-v3-angle-ray{transform-origin:0;background:currentColor;border-radius:999px;width:min(38%,180px);height:4px;position:absolute;bottom:45%;left:50%}.math-v3-angle-ray.base{transform:rotate(0)}.math-v3-coordinate-plane{background:#ffffff06;border-radius:1rem;width:min(100%,480px);margin:1rem auto;display:block}.math-v3-coordinate-plane line{stroke:#ebf1ff21;stroke-width:1px}.math-v3-coordinate-plane line.axis{stroke:#ebf1ffb8;stroke-width:2.5px}.math-v3-coordinate-plane circle.point{fill:currentColor}.math-v3-volume-model{background:linear-gradient(135deg,#7eb4ff1f,#ffffff05);border:1px solid #ffffff1f;border-radius:1rem;place-items:center;gap:.3rem;min-height:150px;margin:1rem 0;display:grid}.math-v3-volume-model strong{font-size:2.4rem}.math-v3-volume-model span{opacity:.72}.math-v3-volume-model b{font-size:1.1rem}.math-v3-conversion-grid{grid-template-columns:1fr auto 1fr;align-items:center;gap:1rem;margin:1rem 0;display:grid}.math-v3-conversion-grid div{background:#7eb4ff14;border:1px solid #ffffff1f;border-radius:1rem;place-items:center;gap:.25rem;padding:1rem;display:grid}.math-v3-conversion-grid strong{font-size:2rem}.math-v3-conversion-grid span{opacity:.72}@media (max-width:700px){.math-v3-decimal-place-model{grid-template-columns:repeat(2,minmax(0,1fr))}.math-v3-area-model{grid-template-columns:1fr 1fr}.math-v3-conversion-grid{grid-template-columns:1fr}.math-v3-conversion-grid>b{text-align:center}}.math-v3-ratio-table,.math-v3-double-line{gap:.55rem;margin:1rem 0;display:grid}.math-v3-ratio-table>div,.math-v3-double-line>div{grid-template-columns:repeat(4,minmax(0,1fr));gap:.5rem;display:grid}.math-v3-ratio-table span,.math-v3-ratio-table strong,.math-v3-double-line span{text-align:center;background:#7eb4ff14;border:1px solid #ffffff1f;border-radius:.75rem;padding:.7rem}.math-v3-percent-bar,.math-v3-probability-bar,.math-v3-signed-line,.math-v3-inequality-line,.math-v3-stat-dots{background:#ffffff0d;border:1px solid #ffffff1f;border-radius:999px;height:24px;margin:1rem 0;position:relative;overflow:visible}.math-v3-percent-bar>span,.math-v3-probability-bar>span{border-radius:inherit;opacity:.7;background:currentColor;height:100%;display:block}.math-v3-signed-line:before,.math-v3-inequality-line:before,.math-v3-stat-dots:before{content:"";background:#ebf1ff8c;height:2px;position:absolute;inset:50% 0 auto}.math-v3-signed-line>span,.math-v3-inequality-line>span,.math-v3-stat-dots>span{background:currentColor;border-radius:50%;width:14px;height:14px;position:absolute;top:50%;transform:translate(-50%,-50%)}.math-v3-inequality-line[data-direction=right]{background:linear-gradient(90deg,#0000 0 50%,#7eb4ff29 50% 100%)}.math-v3-inequality-line[data-direction=left]{background:linear-gradient(270deg,#0000 0 50%,#7eb4ff29 50% 100%)}.math-v3-algebra-tiles{flex-wrap:wrap;align-items:end;gap:.45rem;min-height:90px;margin:1rem 0;display:flex}.math-v3-algebra-tiles span,.math-v3-algebra-tiles i{background:#7eb4ff21;border:1px solid #ffffff26;place-items:center;font-style:normal;font-weight:850;display:grid}.math-v3-algebra-tiles span{width:34px;height:76px}.math-v3-algebra-tiles i{width:34px;height:34px}.math-v3-algebra-tiles [data-negative=true]{opacity:.45}.math-v3-scale-bars{gap:.6rem;margin:1rem 0;display:grid}.math-v3-scale-bars span{opacity:.72;background:currentColor;border-radius:999px;min-width:12px;height:24px;display:block}.math-v3-circle-model{border:3px solid;border-radius:50%;place-items:center;min-width:90px;max-width:190px;min-height:90px;max-height:190px;margin:1.2rem auto;display:grid;position:relative}.math-v3-circle-model i{background:currentColor;width:50%;height:2px;position:absolute;left:50%}.math-v3-circle-model span{font-weight:800;transform:translateY(18px)}@media (max-width:700px){.math-v3-ratio-table>div,.math-v3-double-line>div{grid-template-columns:repeat(2,minmax(0,1fr))}.math-v3-algebra-tiles{justify-content:center}}.math-v3-inequality-line>i{background:#7eb4ff2e;border-radius:999px;position:absolute;top:0;bottom:0}.math-v3-inequality-line>span{background:#0b132b;border:3px solid;width:16px;height:16px}.math-v3-inequality-line[data-direction=right],.math-v3-inequality-line[data-direction=left]{background:#ffffff0d}.math-v3-root-grid,.math-v3-two-way-table{grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem;margin:1rem 0;display:grid}.math-v3-root-grid>div,.math-v3-two-way-table>span{background:#7eb4ff14;border:1px solid #ffffff1f;border-radius:.9rem;place-items:center;gap:.2rem;min-height:74px;padding:.8rem;display:grid}.math-v3-root-grid strong{font-size:1.35rem}.math-v3-function-machine{grid-template-columns:auto 1fr auto;align-items:center;gap:.7rem;margin:1rem 0;display:grid}.math-v3-function-machine>*{text-align:center;border:1px solid #ffffff1f;border-radius:.9rem;padding:.8rem 1rem}.math-v3-line-table{flex-wrap:wrap;gap:.5rem;margin:1rem 0;display:flex}.math-v3-line-table span{text-align:center;background:#7eb4ff14;border:1px solid #ffffff1f;border-radius:.75rem;flex:110px;padding:.7rem}.math-v3-slope-triangle{border-bottom:2px solid #ebf1ff80;border-left:2px solid #ebf1ff80;min-height:170px;margin:1rem 0;position:relative}.math-v3-slope-triangle span{opacity:.65;background:currentColor;border-radius:999px;height:8px;position:absolute;bottom:0;left:0}.math-v3-slope-triangle i{opacity:.85;background:currentColor;border-radius:999px;width:8px;position:absolute;bottom:0;left:0}.math-v3-slope-triangle i[data-negative=true]{top:0;bottom:auto}.math-v3-pythagorean-model{grid-template-columns:repeat(3,minmax(0,1fr));gap:.6rem;margin:1rem 0;display:grid}.math-v3-pythagorean-model>*{background:#7eb4ff14;border:1px solid #ffffff1f;border-radius:.9rem;place-items:center;min-height:82px;display:grid}.math-v3-solid-symbol{opacity:.8;border:3px solid;width:150px;height:150px;margin:1rem auto}.math-v3-solid-symbol[data-solid=cylinder]{border-radius:50%/18%}.math-v3-solid-symbol[data-solid=cone]{opacity:.5;border:75px solid #0000;border-top:0;border-bottom:150px solid;width:0;height:0}.math-v3-solid-symbol[data-solid=sphere]{border-radius:50%}.math-v3-scatter-stage{background-image:linear-gradient(#ffffff0d 1px,#0000 1px),linear-gradient(90deg,#ffffff0d 1px,#0000 1px);background-size:10% 10%;border-bottom:2px solid #ebf1ff80;border-left:2px solid #ebf1ff80;min-height:240px;margin:1rem 0;position:relative}.math-v3-scatter-stage span{background:currentColor;border-radius:50%;width:12px;height:12px;position:absolute;transform:translate(-50%,50%)}@media (max-width:700px){.math-v3-function-machine,.math-v3-pythagorean-model,.math-v3-root-grid,.math-v3-two-way-table{grid-template-columns:1fr}}
