:root{--ink:#183b39;--muted:#667875;--paper:#f5f3eb;--mint:#d7ee9c;--green:#226456;--orange:#ff885b;--lavender:#e4dff8;--line:#dfe5d9;--white:#fffefa;--shadow:0 5px 0 rgba(30,67,51,.07);font-family:'Trebuchet MS',Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
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22px;background:transparent;border-radius:24px;font-size:14px;font-weight:bold;color:#60716c}.nav-button.active{background:var(--ink);color:white}.star-pill{border:1px solid #e8ddbd;background:#fff6da;border-radius:25px;display:flex;gap:8px;align-items:center;padding:12px 16px;font-size:13px;font-weight:bold}.star-pill>span:first-child{font-size:20px;color:#a15a17}#app{max-width:1184px;margin:13px auto 40px;padding:0 28px;min-height:65vh}.hero{display:grid;grid-template-columns:1.6fr 1fr;gap:24px;align-items:stretch}.hero-main{position:relative;overflow:hidden;min-height:310px;background:var(--mint);border:1px solid #cedf9b;border-radius:28px;padding:36px 36px 32px}.eyebrow{font-size:11px;font-weight:bold;letter-spacing:1.9px}.hero-main h1{font-size:clamp(30px,3.8vw,46px);line-height:1.13;letter-spacing:-1.8px;margin:17px 0 14px;max-width:430px;position:relative;z-index:1}.hero-main h1 em{font-style:normal;color:var(--green)}.hero-main 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.number{background:#eeeee5;border-radius:50%;width:25px;height:25px;display:grid;place-items:center;font-size:12px}.rows{display:grid;grid-template-columns:repeat(10,1fr);gap:9px}.row-tile{border:1px solid #dfe4d6;border-radius:16px;background:#f9faf4;padding:15px 6px 11px;min-width:0;position:relative;transition:transform .15s,background .15s}.row-tile:hover{transform:translateY(-3px)}.row-tile.selected{background:var(--lavender);border:2px solid #8c7aba;padding:14px 5px 10px}.row-number{display:block;font-size:27px;font-weight:bold;line-height:1.1}.row-sub{display:block;font-size:10px;margin-top:7px;color:#5c7068}.row-tile .tiny-bar{display:block;height:4px;border-radius:5px;background:#dfe4d5;margin:11px 10px 0;overflow:hidden}.tiny-bar i{display:block;background:var(--green);height:100%}.row-selected-dot{position:absolute;right:7px;top:7px;width:6px;height:6px;border-radius:50%;background:#7e68ae}.setup-split{height:1px;background:#eeeee5;margin:24px 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1fr;gap:23px;align-items:start}.question-card{border:1px solid var(--line);border-radius:28px;background:var(--white);padding:30px 35px;text-align:center;min-height:435px;box-shadow:var(--shadow)}.question-meta{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-bottom:28px}.question-card h1{font-size:20px;font-weight:500;margin:0 0 20px;line-height:1.4}.equation{font-size:clamp(40px,5.5vw,66px);letter-spacing:-1.5px;font-weight:bold;display:flex;align-items:center;justify-content:center;gap:15px;margin:25px 0 30px;line-height:1.2}.equation .question-mark{display:grid;place-items:center;background:var(--lavender);border-radius:18px;min-width:74px;height:82px;color:#68509e}.answer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.answer-option{background:#f0f4e9;border:1px solid #d8e2cb;border-radius:16px;padding:18px;font-size:26px;font-weight:bold;transition:transform 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0;padding:22px}.discover-board .dot{background:var(--green)}.discover-board .dot-row:nth-child(2n) .dot{background:#7d9d74}.discover-card .equation{font-size:44px;margin:16px 0}.discover-card h1{font-size:23px;font-weight:bold}.discover-card p{color:var(--muted);font-size:14px;line-height:1.6}.repeat-add{font-size:15px;line-height:1.6;font-weight:bold;overflow-wrap:anywhere;margin:15px 0 24px}.result-card{max-width:720px;margin:35px auto 60px;border:1px solid var(--line);background:var(--white);border-radius:30px;padding:40px;text-align:center;position:relative;overflow:hidden}.result-art{width:110px;height:110px;margin:0 auto 20px;display:grid;place-items:center;font-size:64px;background:var(--mint);border-radius:36px;transform:rotate(-8deg)}.result-card h1{font-size:36px;letter-spacing:-1px;margin:12px 0}.result-card>p{color:var(--muted);font-size:15px;line-height:1.65;max-width:490px;margin:12px 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@media(min-width:1200px){.hero-main h1{max-width:430px}.hero-main p{max-width:315px}.hero-art{right:-10px;width:230px}}
@media(max-width:1000px){.hero{grid-template-columns:1.45fr 1fr}.hero-main{padding:29px}.hero-art{width:165px;bottom:0;right:-30px}.hero-main h1{font-size:38px}.hero-main p{max-width:260px}.progress-grid{grid-template-columns:repeat(3,1fr)}.fact-dots i{width:12px;height:12px}.rows{grid-template-columns:repeat(5,1fr)}.row-tile{padding:13px 6px}.row-sub{font-size:11px}.header{gap:15px}.nav-button{padding:10px 17px}.star-label{display:none}.practice-layout{grid-template-columns:1.35fr 1fr}.question-card{padding:28px 23px}.dot{width:14px;height:14px}.dot-row{gap:5px}.mode-card{padding:14px}.mode-card.selected{padding:13px}footer{margin:0 28px}}
@media(max-width:700px){.header{padding:20px 20px 12px;flex-wrap:wrap;gap:15px}.brand{font-size:19px}.brand-icon{width:34px;height:34px;font-size:32px}.star-pill{padding:9px 13px}nav{order:3;width:100%;justify-content:center}.nav-button{flex:1;padding:10px 14px}#app{padding:0 20px;margin-top:14px}.hero{grid-template-columns:1fr;gap:15px}.hero-main{min-height:275px;padding:26px}.hero-main h1{font-size:35px;max-width:300px}.hero-main p{max-width:230px;font-size:14px}.hero-art{width:170px;right:-23px;bottom:-16px}.hero-notes{gap:12px;font-size:11px}.welcome-card{padding:23px;border-radius:22px;min-height:0}.welcome-card h2{font-size:22px;margin:10px 0}.welcome-card .button{width:100%;margin-top:2px}.welcome-head .sun{font-size:28px}.section-heading{margin:26px 0 14px;align-items:start}.section-heading h2{font-size:21px}.section-heading p{font-size:12px}.setup-body{padding:20px 17px}.rows{gap:7px}.row-tile{border-radius:13px;padding:13px 4px 10px}.row-tile.selected{padding:12px 3px 9px}.row-number{font-size:25px}.row-sub{font-size:9px}.row-tile .tiny-bar{margin:9px 4px 0}.mode-grid{grid-template-columns:repeat(2,1fr);gap:10px}.mode-card{padding:14px}.mode-sub{font-size:11px}.setup-footer{padding:17px;flex-direction:column;align-items:stretch}.round-config{justify-content:space-between}.setup-footer .button{width:100%}.bottom-tip{padding:16px;font-size:12px;align-items:start}footer{margin:0 20px;flex-wrap:wrap;line-height:1.5;font-size:10px}footer span:nth-child(2){display:none}.view-top{align-items:start;flex-direction:column;gap:13px}.view-top h1{font-size:30px}.stats-grid{gap:8px}.stat{padding:16px 12px;border-radius:16px}.stat strong{font-size:28px}.stat span{font-size:10px;line-height:1.4}.progress-grid{grid-template-columns:repeat(2,1fr);gap:11px}.progress-card{padding:16px}.progress-card strong{font-size:27px}.status-label{font-size:9px;padding:4px 6px}.fact-dots{gap:3px}.fact-dots i{width:9px;height:9px}.badge-grid{grid-template-columns:repeat(2,1fr);gap:12px}.badge-card{padding:21px 14px}.badge-card h2{font-size:16px}.badge-card p{font-size:12px}.badge-symbol{width:62px;height:62px;border-radius:20px;font-size:29px}.practice-layout{grid-template-columns:1fr;gap:16px}.question-card{padding:25px 21px;min-height:0}.question-meta{margin-bottom:20px}.equation{font-size:48px;gap:11px;margin:22px 0}.equation .question-mark{height:65px;min-width:60px;border-radius:15px}.question-card h1{font-size:18px}.answer-option{padding:17px;font-size:25px}.session-top{gap:9px;flex-wrap:wrap}.session-caption{font-size:10px}.round-dots{gap:5px}.round-dots i{width:17px;height:7px}.back-button{padding:10px 12px;font-size:11px}.coach-card{padding:23px}.coach-top{margin-bottom:8px}.help-hidden{padding:17px}.help-hidden span{font-size:32px}.help-hidden .button{margin-top:13px}.dot{width:17px;height:17px}.dot-row{gap:7px}.result-card{padding:30px 21px;margin-top:24px}.result-card h1{font-size:29px}.result-card>p{font-size:14px}.result-stats{gap:22px;padding:20px 12px}.result-stats strong{font-size:26px}.result-stats span{font-size:10px}.result-actions{flex-direction:column}.review-line{font-size:13px;padding:12px}.review-line span:last-child{font-size:11px}.exit-confirm{flex-direction:column;align-items:start}.exit-confirm div{width:100%;justify-content:flex-end}dialog{padding:26px}.discover-card .equation{font-size:37px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

@media(max-width:700px){.hero-main{min-height:325px}.hero-art{width:155px;height:175px;right:-5px;bottom:-6px}.hero-notes{margin-top:25px;max-width:190px;flex-wrap:wrap;gap:9px}.hero-main h1{max-width:100%;font-size:34px}.hero-main p{max-width:235px}.hero-main .hero-art g:last-of-type{display:none}}

.author-credit{display:block;font-size:11px;line-height:1.5;margin-top:9px;color:#47633d;position:relative;z-index:1}.profile-switch{display:flex;align-items:center;gap:7px;border:1px solid #dce1d6;border-radius:24px;padding:9px 12px;background:#fffefa;font-size:11px;max-width:175px;white-space:nowrap}.profile-switch #profile-name{overflow:hidden;text-overflow:ellipsis}.profile-switch #profile-avatar{font-size:20px}.profile-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;max-height:260px;overflow-y:auto;padding:3px}.profile-choice{display:flex;align-items:center;gap:12px;text-align:left;border:1px solid var(--line);border-radius:15px;padding:12px;background:#f3f5ec;font-size:13px;overflow-wrap:anywhere;min-height:61px}.profile-choice.selected{background:var(--mint);border:2px solid var(--green);padding:11px}.profile-choice .profile-character{font-size:28px;flex-shrink:0}.profile-intro{font-size:13px;color:var(--muted);line-height:1.6}.profile-label{display:block;font-size:13px;font-weight:bold;margin-bottom:9px}.nickname-input{width:100%;padding:13px 15px;border:1px solid #d4ddc7;border-radius:12px;background:#f7f8f1;color:var(--ink);font-size:16px}.avatar-label{font-size:12px;margin-bottom:9px}.avatar-picker{display:flex;gap:8px;flex-wrap:wrap}.avatar-choice{display:grid;place-items:center;width:47px;height:47px;border-radius:13px;background:#f0f2e9;border:1px solid #dde4d3;font-size:25px}.avatar-choice.selected{background:var(--lavender);border:2px solid #8c7aba}#profile-form>.button{width:100%;margin-top:9px}#profile-error{font-size:13px;color:#8c562a;line-height:1.5}#profile-error:empty{display:none}.backup-controls{display:flex;gap:10px;flex-wrap:wrap}.backup-controls label{cursor:pointer}#backup-status{font-size:13px;line-height:1.6;margin-top:13px}#backup-confirm:not(:empty){background:#fff1ce;padding:15px;border-radius:13px;margin-top:14px}#backup-confirm p{margin-top:0}#profile-dialog{max-height:90vh;overflow-y:auto}.header{gap:15px}.hero-main h1{margin-top:13px}footer>span:first-child{color:var(--ink)}
@media(max-width:1000px){.header{flex-wrap:wrap}.header nav{order:4;width:100%;justify-content:center}.profile-switch{margin-left:auto}.header .star-pill{margin-left:0}}
@media(max-width:700px){.header{gap:10px}.profile-switch{order:3;margin-left:0;max-width:100%;flex:1;justify-content:center}.header .star-pill{margin-left:auto}.header nav{order:4}.author-credit{font-size:10px}.hero-main{min-height:335px}.profile-list{grid-template-columns:1fr}.profile-choice{min-height:54px}footer>span:first-child{font-size:11px}.backup-controls>*{flex:1;white-space:nowrap;font-size:12px}}

/* Comfortable touch controls and compact equations on small phones. */
nav .nav-button,.text-button,.question-actions button,.length-toggle button{min-height:44px}
.profile-switch,.back-button,.close-dialog{min-height:44px}.close-dialog{min-width:44px}
.hero>* ,.practice-layout>*{min-width:0}
dialog{max-height:90vh;overflow-y:auto}
@media(max-width:380px){
  .header{padding:16px 14px 10px}#app{padding:0 14px}.hero-main{padding:22px;min-height:325px}
  .hero-main h1{font-size:30px}.hero-main p{max-width:210px}.hero-art{width:130px;right:-5px}
  .brand{font-size:17px}.nav-button{font-size:12px;padding:10px 8px}
  .question-card{padding:24px 16px}.equation{font-size:34px;gap:7px;letter-spacing:-1px}
  .equation .question-mark{min-width:44px;height:52px;border-radius:12px}
  .answer-input-wrap{gap:8px}.answer-input{width:95px;min-width:0;flex:1}
  .answer-input-wrap .button{padding:14px;flex-shrink:0}
  .dot{width:13px;height:13px}.dot-row{gap:5px}.dot-board{padding:16px 6px}
  .discover-card .equation{font-size:32px}.discover-board{padding:16px 6px}
  .coach-card{padding:20px 16px}.progress-card{padding:14px 12px}.fact-dots{gap:2px}.fact-dots i{width:8px;height:8px}
  .result-stats{gap:14px}.result-stats strong{font-size:23px}
  footer{margin:0 14px}dialog{padding:22px 18px}.backup-controls{flex-direction:column}
  .reset-buttons{flex-wrap:wrap}.section-heading .text-button{max-width:98px}
}
/* Game worlds and personal progress share the original learning palette. */
.range-toggle{display:flex;gap:9px;padding:4px;background:#f0f2e9;border-radius:16px;margin:0 0 22px;max-width:470px}.range-toggle button{flex:1;padding:12px 15px;border-radius:12px;min-height:54px;font-weight:bold;background:transparent}.range-toggle small{display:block;font-size:11px;font-weight:normal;margin-top:5px}.range-toggle .selected{background:var(--ink);color:white}.rank-panel{display:flex;align-items:center;gap:20px;background:var(--white);border:1px solid var(--line);border-radius:23px;padding:24px;margin:20px 0}.rank-panel>div{flex:1;min-width:0}.rank-icon{font-size:38px;flex-shrink:0}.rank-panel h2{font-size:22px;margin:8px 0 12px}.rank-panel p{font-size:12px;line-height:1.6;color:var(--muted);margin:10px 0 0}.rank-panel .progress-bar{max-width:420px}.training-modes{grid-template-columns:repeat(5,1fr)}.training-note{font-size:15px;line-height:1.7;background:#f0f4e9;padding:17px;border-radius:16px;color:var(--ink);text-align:left}.equation-steps{font-size:36px;flex-wrap:wrap}.fact-dots{flex-wrap:wrap}.rank-ladder{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:20px 0 30px}.rank-step{display:flex;flex-direction:column;gap:7px;align-items:center;text-align:center;background:#eeeee6;border:1px solid var(--line);border-radius:17px;padding:17px 11px;color:var(--muted)}.rank-step.reached{background:#e6efd7;color:var(--ink)}.rank-step>span{font-size:25px}.rank-step b{font-size:12px;line-height:1.4}.rank-step small{font-size:11px}.arcade-banner{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:25px 28px;background:var(--mint);border:1px solid #cedf9b;border-radius:23px;margin:20px 0}.arcade-banner .rank-icon{margin-right:15px}.arcade-banner b{font-size:20px}.arcade-banner p{font-size:13px;line-height:1.6;margin:12px 0 0;max-width:670px}.arcade-banner>strong{font-size:28px;white-space:nowrap}.game-settings{background:var(--white);border:1px solid var(--line);border-radius:17px;padding:20px;margin:20px 0}.game-settings summary{cursor:pointer;font-size:14px;font-weight:bold;min-height:26px}.game-settings[open] summary{margin-bottom:20px}.game-settings p{font-size:13px;color:var(--muted)}.games-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.game-card{background:var(--white);border:1px solid var(--line);border-radius:24px;padding:25px;display:flex;flex-direction:column;align-items:start;position:relative;box-shadow:var(--shadow)}.game-card.locked{background:#f0f0e8}.game-icon{font-size:35px;display:grid;place-items:center;width:64px;height:64px;border-radius:20px;background:var(--lavender);margin-bottom:14px}.game-card:nth-child(3n+2) .game-icon{background:#fbe3ce}.game-card:nth-child(3n) .game-icon{background:#e2eed1}.game-card h2{font-size:19px;margin:11px 0}.game-card p{font-size:13px;line-height:1.6;color:var(--muted);margin:0 0 17px;flex:1}.unlock-label{font-size:11px;color:var(--green);font-weight:bold}.locked .unlock-label{color:var(--muted)}.personal-best{font-size:11px;line-height:1.5;color:var(--muted);margin-bottom:17px}.game-card .button{width:100%;margin-top:auto}.game-card.locked .button{opacity:.75}.game-play{max-width:700px;margin:20px auto 45px;border:1px solid var(--line);border-radius:28px;background:var(--white);padding:30px 36px;box-shadow:var(--shadow);text-align:center}.game-play-heading{display:flex;gap:18px;align-items:center;text-align:left;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:24px}.game-play-heading .game-icon{margin:0;flex-shrink:0}.game-play h1{font-size:27px;letter-spacing:-.6px;margin:7px 0 0}.game-play p{font-size:14px;line-height:1.7;color:var(--muted)}.game-equation{font-size:42px;font-weight:bold;line-height:1.35;margin:22px 0;overflow-wrap:anywhere}.game-option{border:1px solid #d8e2cb;background:#f0f4e9;border-radius:15px;min-height:62px;padding:17px;font-size:23px;font-weight:bold}.game-option:enabled:hover{background:#e3edd7}.game-option:disabled{opacity:.65}.game-next{width:100%;margin-top:16px}.safari-sky{font-size:45px;letter-spacing:14px}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0}.memory-card{min-height:86px;border:2px solid #d2c9e7;border-radius:17px;background:var(--lavender);font-size:23px;font-weight:bold;box-shadow:var(--shadow)}.memory-card.matched{background:var(--mint);border-color:#b6ce91}.bingo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.bingo-cell{min-height:79px;background:#f7f0d5;border:1px solid #e4d9b1;border-radius:16px;font-size:26px;font-weight:bold}.bingo-cell.matched{background:var(--mint);color:var(--green)}.order-path{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;align-items:center;background:#eeeaf8;border-radius:16px;padding:18px;min-height:64px;margin:24px 0;font-size:14px}.order-path span{font-size:22px;font-weight:bold}.order-path i{font-style:normal}.blank{display:inline-grid;place-items:center;min-width:50px;padding:4px 10px;background:var(--lavender);border-radius:13px}.balance-puzzle{display:flex;align-items:center;justify-content:center;gap:20px;font-size:30px;font-weight:bold;margin:35px 0}.three-options{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.domino-tail{display:flex;gap:16px;align-items:center;justify-content:center;border-radius:16px;background:var(--mint);padding:17px;margin:22px 0;font-size:14px}.domino-tail strong{font-size:30px}.domino-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.domino-tile{display:flex;background:var(--lavender);border:1px solid #d1c5e4;border-radius:13px;overflow:hidden;padding:0;min-height:70px;font-size:19px;font-weight:bold}.domino-tile span{flex:1;padding:20px 10px}.domino-tile span+span{border-left:2px dotted #bfb0d6;background:#f0ebf9}.code-lock{font-size:65px;margin:24px 0}.code-tasks{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:24px 0}.code-tasks span{background:#eeeaf8;padding:19px 8px;border-radius:15px;font-size:22px;font-weight:bold}.code-tasks small{display:block;font-size:11px;margin-bottom:12px;color:var(--muted);font-weight:normal}.machine-flow{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;align-items:center;margin:30px 0}.machine-flow span{padding:16px 23px;background:var(--mint);border-radius:15px;font-size:27px;font-weight:bold}.machine-flow i{padding:17px;background:var(--lavender);border-radius:13px;font-size:18px;font-style:normal}.pack-inputs{display:flex;gap:15px;justify-content:center;align-items:center;margin:25px 0}.pack-inputs label{display:block;min-width:0}.pack-inputs label span{display:block;font-size:11px;margin-bottom:8px}.pack-inputs .answer-input{width:110px}.garden-controls{display:flex;gap:20px;justify-content:center;margin:25px 0}.garden-controls>div{background:#edf3e4;border-radius:16px;padding:15px 18px}.garden-controls>div>span{display:block;font-size:11px;margin-bottom:12px}.garden-controls>div>div{display:flex;gap:13px;align-items:center}.garden-controls button{width:40px;min-height:44px;border-radius:12px;background:var(--lavender);font-size:24px}.garden-controls b{font-size:23px}.garden-board .dot{background:var(--green)}.detective-grid{display:grid;gap:12px;margin:23px 0}.detective-grid .game-option{font-size:22px}.game-option.found{border:2px solid var(--green);background:var(--mint)}.story-illustration{font-size:65px;margin:24px 0}.story-question{font-size:19px!important;color:var(--ink)!important;background:#f1f4e8;border-radius:18px;padding:24px}.math-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin:25px auto;max-width:420px}.grid-cell{display:grid;place-items:center;min-height:56px;border:1px solid var(--line);border-radius:10px;background:#f6f7ef;font-weight:bold;font-size:20px}.grid-head{background:var(--ink);color:white}.grid-target{background:var(--orange);font-size:29px}.question-card .dot,.coach-card .dot{flex-shrink:0}.dot-board:has(.dot-row:nth-child(11)) .dot{width:10px;height:10px}.dot-board:has(.dot-row:nth-child(11)){gap:5px}.dot-board:has(.dot:nth-child(11)) .dot{width:10px;height:10px}.dot-board:has(.dot:nth-child(11)) .dot-row{gap:4px}.rank-panel .eyebrow{font-size:10px}.game-play .question-actions{margin-top:18px}.game-play .feedback:empty{display:none}
@media(max-width:1000px){.training-modes{grid-template-columns:repeat(3,1fr)}.games-grid{grid-template-columns:repeat(2,1fr)}.header nav{order:4;width:100%}.rank-ladder{grid-template-columns:repeat(5,1fr)}.rank-panel{gap:14px}.arcade-banner{padding:23px}}
@media(max-width:700px){.training-modes{grid-template-columns:repeat(2,1fr)}.header nav{border-radius:15px;flex-wrap:wrap}.nav-button{font-size:12px;padding:10px 8px;min-width:0}.rank-panel{flex-wrap:wrap;padding:20px;gap:14px}.rank-panel>div{flex-basis:70%}.rank-panel .button{width:100%}.rank-panel h2{font-size:20px}.rank-icon{font-size:31px}.rank-ladder{grid-template-columns:repeat(2,1fr)}.rank-step{padding:15px}.arcade-banner{align-items:start;flex-wrap:wrap;padding:20px}.arcade-banner>strong{font-size:23px}.arcade-banner b{font-size:17px}.games-grid{gap:12px}.game-card{padding:18px 15px;border-radius:20px}.game-icon{width:53px;height:53px;font-size:29px;border-radius:17px}.game-card h2{font-size:17px}.game-card p{font-size:12px}.game-card .button{font-size:12px;padding:12px}.personal-best{font-size:10px}.game-play{padding:24px 20px;border-radius:23px}.game-play h1{font-size:23px}.game-play-heading{gap:13px}.game-play-heading .eyebrow{font-size:9px}.game-equation{font-size:35px}.balance-puzzle{font-size:23px;gap:10px}.game-option{padding:16px 11px;font-size:22px;min-height:60px}.memory-grid{grid-template-columns:repeat(2,1fr);gap:10px}.memory-card{min-height:74px;font-size:22px}.bingo-cell{min-height:65px;font-size:23px}.bingo-grid{gap:9px}.domino-tile{font-size:16px}.code-tasks span{font-size:19px}.code-tasks small{font-size:10px}.garden-controls{gap:10px}.garden-controls>div{padding:13px 12px}.garden-controls>div>div{gap:9px}.garden-controls button{width:35px}.story-question{font-size:17px!important;padding:20px}.training-note{font-size:14px}.equation-steps{font-size:29px}.game-settings{padding:18px}.pack-inputs{gap:10px}.pack-inputs .answer-input{width:95px}}
@media(max-width:380px){.games-grid{grid-template-columns:1fr}.nav-button{padding:10px 5px;font-size:11px}.rank-panel .eyebrow{letter-spacing:1px}.game-play{padding:22px 16px}.game-equation{font-size:30px}.code-tasks{gap:6px}.code-tasks span{font-size:17px;padding:15px 6px}.domino-grid{grid-template-columns:1fr}.game-play .answer-input{width:95px;min-width:0}.game-play .answer-input-wrap .button{padding:12px}.garden-controls{flex-wrap:wrap}.garden-controls>div{flex:1;min-width:110px}.garden-controls>div>div{justify-content:center}.balance-puzzle{font-size:20px;gap:8px}.blank{min-width:38px}.pack-inputs .answer-input{width:82px}.grid-cell{font-size:17px;min-height:49px}.equation-steps{font-size:25px}.rank-panel p{font-size:11px}}

/* Related multiplication and division facts stay legible on phones. */
.fact-family{margin-top:22px;background:#eeeaf8;border:1px solid #d8d0e8;border-radius:17px;padding:18px;text-align:left}.fact-family>b{display:block;font-size:14px;line-height:1.5}.fact-family p{font-size:12px;line-height:1.6;margin:8px 0 13px}.family-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.family-grid span{display:block;background:#fffefa;padding:10px 8px;border-radius:10px;font-size:15px;font-weight:bold;line-height:1.5;text-align:center}.coach-card .family-grid{grid-template-columns:1fr}.inverse-tip .text-button{padding-left:0;margin-top:7px;text-align:left}.game-play .fact-family{margin-bottom:18px}
@media(max-width:380px){.family-grid{grid-template-columns:1fr}.fact-family{padding:15px}.family-grid span{font-size:14px}}

.footer-contact{font-size:12px;overflow-wrap:anywhere;text-underline-offset:3px}