:root{--bg:#fff8ef;--card:#fff;--ink:#2b2d42;--muted:#7a7d92;--primary:#4361ee;--primary-ink:#fff;--speed:#f77f00;--good:#2a9d8f;--bad:#e63946;--line:#ece4d8;--lvl0:#eee;--lvl1:#ffd6d6;--lvl2:#ffe8a3;--lvl3:#c7f0c2;--lvl4:#2a9d8f;color:var(--ink);background:var(--bg);font-family:Nunito,ui-rounded,SF Pro Rounded,system-ui,-apple-system,sans-serif}*{box-sizing:border-box}body{background:var(--bg);min-height:100dvh;margin:0}button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}button:disabled{cursor:default;opacity:.45}.screen{max-width:560px;padding:max(16px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom));flex-direction:column;gap:16px;margin:0 auto;display:flex}.screen.center{text-align:center;align-items:center;padding-top:48px}h1{margin:8px 0;font-size:2.2rem}h2{margin:0;font-size:1.8rem}.muted{color:var(--muted);margin:0}.hero{flex-direction:column;gap:8px;display:flex}.badges{flex-wrap:wrap;gap:8px;display:flex}.badge{background:var(--card);border:2px solid var(--line);border-radius:999px;padding:4px 14px;font-weight:700}.module-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;display:grid}.module-card{background:var(--card);border:2px solid var(--line);text-align:center;box-shadow:0 4px 0 var(--line);border-radius:20px;flex-direction:column;align-items:center;gap:6px;padding:18px 14px;transition:transform 80ms;display:flex}.module-card:not(:disabled):active{box-shadow:0 1px 0 var(--line);transform:translateY(3px)}.module-emoji{font-size:2.4rem}.module-title{font-size:1.1rem;font-weight:800}.module-blurb{color:var(--muted);font-size:.9rem}.back{color:var(--muted);background:0 0;border:none;align-self:flex-start;padding:4px 0;font-size:1rem;font-weight:700}.chips{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.chip{border:2px solid var(--line);background:var(--card);border-radius:14px;min-width:56px;padding:10px 12px;font-size:1.1rem;font-weight:800}.chip.on{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}.meter-wrap{flex-direction:column;gap:6px;display:flex}.meter{background:var(--line);border-radius:999px;flex:1;height:14px;overflow:hidden}.meter-fill{background:var(--good);border-radius:999px;height:100%;transition:width .3s}.actions{flex-direction:column;gap:12px;width:100%;display:flex}.big-btn{border:2px solid var(--line);background:var(--card);box-shadow:0 4px 0 var(--line);border-radius:18px;flex-direction:column;align-items:center;gap:2px;padding:16px;font-size:1.3rem;font-weight:800;display:flex}.big-btn small{opacity:.85;font-size:.85rem;font-weight:600}.big-btn.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);box-shadow:0 4px #2b45c4}.big-btn.speed{background:var(--speed);border-color:var(--speed);color:#fff;box-shadow:0 4px #c46400}.big-btn:not(:disabled):active{box-shadow:none;transform:translateY(3px)}.quiz{min-height:100dvh}.quiz-top{align-items:center;gap:12px;display:flex}.quiz-top .back{font-size:1.4rem}.timer{text-align:center;flex:1;font-size:1.3rem;font-weight:800}.timer.low{color:var(--bad)}.question{flex-wrap:wrap;justify-content:center;align-items:center;gap:14px;padding:24px 0 8px;font-size:clamp(2.6rem,12vw,4rem);font-weight:900;display:flex}.answer-box{border-bottom:5px solid var(--primary);text-align:center;min-width:2.4em;color:var(--primary);padding:0 .2em}.question.correct .answer-box{color:var(--good);border-color:var(--good)}.question.wrong .answer-box{border-color:var(--bad)}.shake{animation:.35s shake}@keyframes shake{20%,60%{transform:translate(-8px)}40%,80%{transform:translate(8px)}}.feedback{text-align:center;min-height:110px}.feedback p{margin:4px 0}.good{color:var(--good);font-size:1.4rem;font-weight:800}.bad{color:var(--bad);font-size:1.5rem}.hint{background:#fff3c4;border-radius:12px;padding:10px 12px;font-size:1.05rem}.numpad{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:auto;display:grid}.numpad button{border:2px solid var(--line);background:var(--card);height:64px;box-shadow:0 4px 0 var(--line);touch-action:manipulation;border-radius:16px;font-size:1.8rem;font-weight:800}.numpad button:not(:disabled):active{box-shadow:none;transform:translateY(3px)}.numpad .key-enter{background:var(--good);border-color:var(--good);color:#fff;box-shadow:0 4px #1f776c}.numpad .key-back{color:var(--muted)}.cheer{font-size:2.4rem}.score{margin:0;font-size:1.4rem}.stars-earned{margin:0;font-size:2rem;font-weight:900}.mastered-list p{margin:0 0 8px;font-weight:700}.grid-scroll{overflow-x:auto}.mastery{border-collapse:separate;border-spacing:3px;margin:0 auto;font-size:.85rem;font-weight:700}.mastery th{color:var(--muted);width:32px;height:32px}.mastery td{text-align:center;color:#fff;border-radius:6px;width:32px;height:32px}.lvl0{background:var(--lvl0)}.lvl1{background:var(--lvl1)}.lvl2{background:var(--lvl2)}.lvl3{background:var(--lvl3)}.lvl4{background:var(--lvl4)}.legend{flex-wrap:wrap;justify-content:center;gap:12px;font-size:.9rem;display:flex}.legend i{vertical-align:-2px;border-radius:4px;width:14px;height:14px;margin-right:6px;display:inline-block}body.staging:before{content:"STAGING";z-index:100;background:var(--speed);color:#fff;letter-spacing:.1em;pointer-events:none;border-radius:0 0 8px 8px;padding:2px 12px;font-size:.75rem;font-weight:800;position:fixed;top:0;left:50%;transform:translate(-50%)}.link{color:var(--primary);background:0 0;border:none;align-self:center;padding:4px 0;font-size:1rem;font-weight:700}.hero-top{justify-content:space-between;align-items:center;gap:8px;display:flex}.error{color:var(--bad);margin:0;font-weight:700}.notice{color:var(--good);margin:0;font-weight:700}.small{font-size:.85rem}.empty{text-align:center;padding:24px 0;font-size:1.1rem}.login{min-height:100dvh}.login h1{text-align:center}.field{color:var(--muted);flex-direction:column;gap:6px;font-weight:700;display:flex}input{font:inherit;color:var(--ink);background:var(--card);border:2px solid var(--line);border-radius:14px;min-width:0;padding:12px 14px;font-size:1.2rem}input:focus{border-color:var(--primary);outline:none}.pin-dots{justify-content:center;gap:14px;padding:10px 0;display:flex}.pin-dots i{border:3px solid var(--primary);border-radius:50%;width:22px;height:22px}.pin-dots i.on{background:var(--primary)}.module-card.highlight{background:#fff3c4;border-color:#f5d76e;box-shadow:0 4px #f5d76e}.tabs{gap:8px;display:flex}.tabs button{border:2px solid var(--line);background:var(--card);border-radius:14px;flex:1;padding:10px;font-size:1rem;font-weight:800}.tabs button.on{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}.chip.small{min-width:0;padding:6px 10px;font-size:.95rem}.board{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.board li{background:var(--card);border:2px solid var(--line);border-radius:14px;align-items:center;gap:12px;padding:12px 14px;font-size:1.15rem;display:flex}.board li.me{border-color:var(--primary);background:#eef1ff}.board .rank{text-align:center;width:2em;font-weight:800}.board .name{text-overflow:ellipsis;white-space:nowrap;flex:1;font-weight:700;overflow:hidden}.board .value{font-weight:900}.panel{background:var(--card);border:2px solid var(--line);border-radius:18px;flex-direction:column;gap:10px;padding:14px;display:flex}.panel h3,.panel p{margin:0}.banner{border-color:var(--primary);background:#eef1ff}.form-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.form-row input{flex:140px;padding:10px 12px;font-size:1rem}.btn{border:2px solid var(--line);background:var(--card);border-radius:12px;padding:10px 14px;font-weight:700}.btn.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-ink)}.btn.danger{background:var(--bad);border-color:var(--bad);color:#fff}.user-list{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.user-list li{border-top:1px solid var(--line);flex-direction:column;gap:8px;padding:12px 0;display:flex}.user-list li:first-child{border-top:none}.user-main{flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.tag{background:var(--line);border-radius:999px;padding:2px 8px;font-size:.75rem;font-weight:800}.tag.warn{color:var(--bad);background:#ffd6d6}.level-list{flex-direction:column;gap:10px;display:flex}.level{border:2px solid var(--line);background:var(--card);border-radius:16px;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;font-size:1.1rem;display:flex}.level span{color:var(--muted);font-weight:700}.level{text-align:left}.level>strong{flex:1;min-width:0}.level>span{white-space:nowrap;text-align:right;flex:none}.level.on{border-color:var(--primary);background:#eef1ff}.level.on span{color:var(--primary)}.badge.coins{background:#fff3c4;border-color:#f5d76e}.coin-delta{margin-left:8px;font-weight:900;animation:.35s ease-out pop;display:inline-block}.coin-delta.plus{color:#b7791f}.coin-delta.minus{color:var(--bad);font-size:1.1rem}.combo{color:var(--speed);font-weight:900;animation:.35s ease-out pop;display:block}@keyframes pop{0%{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}.mansion-scene{border:2px solid var(--line);border-radius:18px;width:100%;height:auto;display:block}.mansion-card{text-align:left;box-shadow:0 4px 0 var(--line);background:0 0;border:none;border-radius:18px;padding:0;position:relative}.mansion-card:active{box-shadow:none;transform:translateY(3px)}.mansion-card-label{background:#ffffffeb;border-radius:12px;padding:6px 10px;font-size:1.05rem;font-weight:800;position:absolute;top:10px;left:10px}.mansion-card-label small{color:var(--muted);font-size:.8rem;font-weight:700;display:block}.badge.big{font-size:1.2rem}.center-text{text-align:center}.shop{flex-direction:column;margin:0;padding:0;list-style:none;display:flex}.shop li,.shop-row{align-items:center;gap:12px;padding:8px 0;display:flex}.shop li+li{border-top:1px solid var(--line)}.shop-emoji{text-align:center;width:1.6em;font-size:1.8rem}.shop-name{flex:1;font-weight:700}.shop-name small{color:var(--muted);font-weight:600;display:block}.shop li.locked{opacity:.55}.shop li.owned .shop-name{color:var(--good)}.big-btn.build{color:#3e2723;background:#ffb300;border-color:#ffb300;box-shadow:0 4px #c68400}.coin-sum{border-collapse:collapse;min-width:220px;font-size:1.05rem}.coin-sum td{padding:3px 8px}.coin-sum td:last-child{text-align:right;font-weight:800}.coin-sum tr.lost td{color:var(--bad)}.board li.clickable{cursor:pointer}.board .name small{font-size:.8rem;font-weight:600}.mastery td.gift{cursor:pointer;background:#ffe082;font-size:1rem;animation:1.6s ease-in-out infinite wiggle;box-shadow:inset 0 0 0 2px #ffb300}.mastery td.busy{opacity:.5}@keyframes wiggle{0%,80%,to{transform:rotate(0)}85%{transform:rotate(-8deg)}90%{transform:rotate(8deg)}95%{transform:rotate(-4deg)}}.big-btn.gifts{background:#fff3c4;border-color:#ffb300;box-shadow:0 4px #ffb300}.mansion-3d{aspect-ratio:4/3;border:2px solid var(--line);background:#bfe6ff;border-radius:18px;width:100%;overflow:hidden}.mansion-3d canvas{width:100%;height:100%;display:block}.mansion-3d:not(.interactive){pointer-events:none}.mansion-3d.interactive{touch-action:none;cursor:grab}.mansion-3d.interactive:active{cursor:grabbing}.question.long{gap:4px 8px;font-size:clamp(1.6rem,7.5vw,2.6rem)}.question.long .answer-box{min-width:1.8em}.module-card.locked{background:#f4efe6}.module-card.locked .module-blurb{color:#b7791f;font-weight:800}.level .pay{color:#b7791f;margin-left:6px;font-size:.8rem;font-weight:800}.sheet-backdrop{z-index:50;padding:16px;padding-bottom:max(16px, env(safe-area-inset-bottom));background:#1e1e2873;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{background:var(--card);text-align:center;border-radius:22px;flex-direction:column;gap:12px;width:100%;max-width:480px;padding:20px;animation:.2s ease-out pop;display:flex}.sheet h3{margin:0;font-size:1.4rem}.sheet p{margin:0}.story{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:12px 16px;font-size:1.2rem;line-height:1.45}.story p{margin:2px 0}.question.after-story{padding-top:8px;font-size:clamp(2rem,9vw,2.8rem)}.puzzle-ask{text-align:center;margin:4px 0 0;font-size:1.35rem;font-weight:800}.choices{grid-template-columns:1fr 1fr;gap:10px;margin-top:auto;display:grid}.choice{border:2px solid var(--line);background:var(--card);min-height:64px;box-shadow:0 4px 0 var(--line);touch-action:manipulation;border-radius:16px;padding:10px;font-size:1.25rem;font-weight:800}.choice:not(:disabled):active{box-shadow:none;transform:translateY(3px)}.choice.right{background:var(--good);border-color:var(--good);color:#fff;opacity:1}.choice.wrong{border-color:var(--bad);color:var(--bad);background:#ffd6d6}.room-tabs{scrollbar-width:none;gap:6px;padding-bottom:4px;display:flex;overflow-x:auto}.room-tabs .chip{white-space:nowrap;flex:none}.room-tabs .chip.locked{opacity:.5}.room-3d{background:#fdf6ec}.room-flat{border:2px solid var(--line);background:#fdf6ec;border-radius:18px;flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;min-height:180px;padding:16px;font-size:2.6rem;display:flex}.requirement{text-align:left;background:#f4efe6;border-radius:14px;flex-direction:column;gap:6px;padding:10px 12px;font-size:.95rem;display:flex}.requirement .meter{flex:none}.two-btns{grid-template-columns:1fr 1fr;gap:10px;display:grid}.walk{z-index:60;touch-action:none;-webkit-user-select:none;user-select:none;background:#bfe6ff;position:fixed;inset:0}.walk-stage{position:absolute;inset:0}.walk-canvas{touch-action:none;width:100%;height:100%;display:block}.walk-top{left:12px;right:12px;top:max(12px, env(safe-area-inset-top));pointer-events:none;align-items:center;gap:10px;display:flex;position:absolute}.walk-top>*{pointer-events:auto}.walk-place{background:#ffffffe6;border-radius:999px;padding:8px 14px;font-weight:800}.walk-help{left:50%;top:calc(max(12px, env(safe-area-inset-top)) + 52px);color:#fff;text-align:center;pointer-events:none;background:#00000073;border-radius:12px;width:max-content;max-width:calc(100% - 24px);margin:0;padding:6px 12px;font-size:.9rem;position:absolute;transform:translate(-50%)}.walk-toast{pointer-events:none;background:#fff;border-radius:16px;margin:0;padding:10px 16px;font-size:1.1rem;font-weight:800;animation:.25s ease-out pop;position:absolute;bottom:170px;left:50%;transform:translate(-50%);box-shadow:0 6px 18px #0003}.walk-joy{left:28px;bottom:max(28px, env(safe-area-inset-bottom));touch-action:none;background:#ffffff59;border:3px solid #fffc;border-radius:50%;justify-content:center;align-items:center;width:130px;height:130px;display:flex;position:absolute}.walk-knob{pointer-events:none;background:#fffffff2;border-radius:50%;width:56px;height:56px;box-shadow:0 2px 8px #00000040}.big-btn.play{padding:18px;font-size:1.8rem}.little .level{font-size:1.25rem}.clock-face{align-self:center;width:min(70vw,280px);height:auto}.choices.big .choice{min-height:110px;font-size:3.2rem}.choices.three{grid-template-columns:repeat(3,1fr)}.memory-grid{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:8px;display:grid}.memory-grid.cards-12{grid-template-columns:repeat(3,1fr)}.memory-grid.cards-20{grid-template-columns:repeat(4,1fr)}.memory-card{aspect-ratio:3/4;touch-action:manipulation;background:#7986cb;border:3px solid #5c6bc0;border-radius:16px;font-size:2.6rem;transition:transform .15s;box-shadow:0 4px #3f51b5}.memory-grid.cards-20 .memory-card{font-size:2rem}.memory-card.up{border-color:var(--line);box-shadow:0 4px 0 var(--line);background:#fffdf7;animation:.25s ease-out flip;transform:rotateY(0)}.memory-card.found{border-color:var(--good);box-shadow:0 4px 0 var(--good);background:#d6f5d6}@keyframes flip{0%{transform:rotateY(90deg)}to{transform:rotateY(0)}}.check{align-items:flex-start;gap:8px;font-weight:600;display:flex}.check input{width:20px;height:20px;margin-top:2px}.tag.little{color:#b7791f;background:#fff3c4}.picture{align-self:center;max-width:100%}.counters{grid-template-columns:repeat(5,auto);justify-content:center;gap:4px 8px;font-size:2.1rem;line-height:1.15;display:grid}.counters .crossed{position:relative}.counters .crossed .thing{opacity:.3}.counters .crossed:after{content:"✕";color:var(--bad);justify-content:center;align-items:center;font-size:1.15em;font-weight:900;display:flex;position:absolute;inset:0}.groups{flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;display:flex}.group-wrap{align-items:center;gap:10px;display:flex}.group{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:8px 10px}.groups .counters{font-size:1.6rem}.group-op{font-size:2.2rem;font-weight:900}.blocks{justify-content:center;align-items:flex-end;gap:18px;padding:6px;display:flex}.tens{gap:6px;display:flex}.rod{background:#1565c0;border-radius:4px;flex-direction:column;gap:2px;padding:2px;display:flex}.rod i,.ones i{background:#64b5f6;border-radius:3px;width:16px;height:16px;display:block}.ones{grid-template-columns:repeat(3,16px);align-content:end;gap:4px;display:grid}.ones i{background:#ffb74d}.puzzle-ask.big{font-size:2.2rem}.level .stars{letter-spacing:1px;font-size:1rem}.level.locked{opacity:.55}.level small.need{color:var(--muted);font-size:.8rem;font-weight:600;display:block}.round-stars{letter-spacing:4px;margin:0;font-size:2.6rem}.big-pic{font-size:5.5rem;line-height:1}.fraction{width:min(55vw,210px);height:auto}.flat-shape{width:min(50vw,190px);height:auto}.array{background:var(--card);border:2px solid var(--line);border-radius:16px;justify-content:center;gap:6px 10px;padding:10px 14px;font-size:1.9rem;display:grid}.groups:has(.group-wrap:nth-child(3)) .counters{font-size:1.3rem}.choices.big.three .choice{font-size:1.9rem}.coins{flex-wrap:wrap;justify-content:center;gap:8px;max-width:320px;display:flex}.coin{color:#6d4c00;background:radial-gradient(circle at 35% 30%,#fff3b0,#ffca28 55%,#e0a100);border:3px solid #b8860b;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;font-size:1.3rem;font-weight:900;display:flex;box-shadow:0 2px #8d6e00}.coin.c10{color:#37474f;background:radial-gradient(circle at 35% 30%,#fff,#cfd8dc 55%,#90a4ae);border-color:#607d8b;width:62px;height:62px;box-shadow:0 2px #455a64}.chart{background:var(--card);border:2px solid var(--line);border-radius:16px;padding:10px 12px}.chart-title{text-align:center;color:var(--muted);margin-bottom:6px;font-weight:800}.chart-row{border-top:1px solid var(--line);align-items:center;gap:8px;padding:3px 0;display:flex}.chart-label{text-align:center;width:2em;font-size:1.8rem}.chart-pics{gap:4px;font-size:1.7rem;display:flex}.bar-chart{width:min(85vw,330px);height:auto;display:block}.race{flex-wrap:nowrap;justify-content:center;align-items:center;gap:6px;max-width:100%;font-size:2.2rem;display:flex}.race.long{gap:2px;font-size:min(1.7rem,6.2vw)}.race.long .flag{font-size:min(2rem,7vw)}.race .flag{border-right:4px dashed var(--muted);margin-right:4px;padding-right:6px;font-size:2.6rem}.tenframe{border:3px solid var(--ink);background:#fffdf7;border-radius:6px;grid-template-columns:repeat(5,2.6rem);grid-auto-rows:2.6rem;display:grid}.tenframe span{border:1.5px solid #2b2d42;justify-content:center;align-items:center;font-size:1.7rem;display:flex}.numberline{width:min(92vw,520px);display:block}.sizes{justify-content:center;align-items:flex-end;gap:18px;min-height:5.5rem;display:flex}.sizes>div{flex-direction:column;align-items:center;line-height:1;display:flex}.sizes b,.lengths b{color:#5d5f74;margin-top:4px;font-size:1.1rem}.lengths{flex-direction:column;gap:12px;width:min(86vw,380px);display:flex}.lengths>div{align-items:center;gap:10px;display:flex}.lengths span{border:2px solid #2b2d42;border-radius:8px;height:16px;display:block}.balance{width:min(80vw,300px);display:block}.memo{flex-direction:column;align-items:center;gap:6px;display:flex}.memo-items{flex-wrap:wrap;justify-content:center;gap:8px;max-width:330px;min-height:3.2rem;font-size:2.6rem;display:flex}.memo-note{color:#5d5f74;margin:0;font-weight:800}.memo.look .memo-note{color:var(--speed)}.shadow{filter:brightness(0);opacity:.85;width:9rem;height:9rem;display:block}.choice-img{pointer-events:none;width:3.4rem;height:3.4rem;margin:0 auto;display:block}.choices.hidden{visibility:hidden}.squares{border:2px solid var(--ink);background:#fffdf7;gap:0;display:inline-grid}.squares i{border:1px solid #d7ccc8}.mirror-pic{justify-content:center;align-items:center;display:flex}.mirror-line{border-left:4px dashed #d81b60;align-self:stretch;width:0;margin:-8px 3px}.mirror-empty{color:#b0a99f;box-sizing:border-box;border:2px dashed #b0a99f;justify-content:center;align-items:center;font-size:2.4rem;font-weight:900;display:flex}.simon-say{text-align:center;margin:10px 0 18px;font-size:1.3rem;font-weight:800}.simon-say.play{color:var(--good)}.simon-pads{grid-template-columns:repeat(2,1fr);gap:16px;width:min(88vw,380px);margin:0 auto;display:grid}.simon-pads.pads-6{grid-template-columns:repeat(3,1fr)}.simon-pad{aspect-ratio:1;border:4px solid var(--ink);opacity:.38;filter:saturate(.7);cursor:pointer;border-radius:26px;transition:opacity .12s,transform .12s,filter .12s}.simon-pad:disabled{cursor:default}.simon-pad.lit{opacity:1;filter:saturate(1.2)brightness(1.15);transform:scale(1.06);box-shadow:0 0 28px 6px #ffffffe6}.spot-say{text-align:center;margin:4px 0 8px;font-weight:800}.spot-pic{aspect-ratio:16/9;border:3px solid var(--ink);border-radius:14px;width:min(94vw,520px);margin:0 auto 10px;position:relative;overflow:hidden}.spot-thing{cursor:pointer;background:0 0;border:3px solid #0000;border-radius:50%;min-width:2.4rem;min-height:2.4rem;padding:2px 4px;line-height:1;position:absolute;transform:translate(-50%,-50%)}.spot-thing.found{border-color:#e53935;box-shadow:0 0 0 3px #fff8}.spot-thing.missed{animation:.4s spot-no}@keyframes spot-no{0%,to{transform:translate(-50%,-50%)}25%{transform:translate(-62%,-50%)}75%{transform:translate(-38%,-50%)}}.jigsaw-board{aspect-ratio:1;background:var(--ink);border:3px solid var(--ink);border-radius:12px;gap:3px;width:min(92vw,460px);margin:0 auto;display:grid;overflow:hidden}img.jigsaw-board{object-fit:cover;display:block}.jigsaw-board.solved{gap:0;transition:gap .6s}.jigsaw-piece{cursor:pointer;outline-offset:-4px;border:0;outline:4px solid #0000;padding:0;transition:transform .12s,outline-color .12s}.jigsaw-piece.picked{outline-color:#ffca28;transform:scale(.94)}.peek{border:2px solid var(--line);background:var(--card);cursor:pointer;border-radius:999px;padding:6px 14px;font-weight:800}.peek.on{background:#fff3c4}.colouring-tabs{gap:6px;margin-left:auto;display:flex}.colouring-tabs button{background:var(--card);border:3px solid var(--line);cursor:pointer;border-radius:14px;padding:2px 10px;font-size:1.6rem}.colouring-tabs button.on{border-color:var(--primary)}.colouring-pic{border:3px solid var(--ink);touch-action:manipulation;background:#fff;border-radius:12px;width:min(92vw,440px);margin:8px auto;display:block}.colouring-pic path{cursor:pointer}.palette{grid-template-columns:repeat(6,1fr);gap:8px;width:min(92vw,440px);margin:0 auto 10px;display:grid}.palette button{aspect-ratio:1;border:3px solid var(--line);cursor:pointer;border-radius:50%}.palette button.on{border-color:var(--ink);box-shadow:0 0 0 3px #fff, 0 0 0 6px var(--ink);transform:scale(1.12)}.coach-busy{font-size:4rem;animation:1.2s ease-in-out infinite coach-bob}@keyframes coach-bob{50%{transform:translateY(-8px)rotate(-6deg)}}.coach-list{gap:8px;margin:14px 0 0;padding:0;list-style:none;display:grid}.coach-list button{text-align:left;background:var(--card);border:2px solid var(--line);cursor:pointer;width:100%;font:inherit;color:var(--ink);border-radius:14px;gap:2px;padding:10px 14px;display:grid}.coach-list .tag,.task-card .tag{justify-self:start}.task-card{background:var(--card);border:2px solid var(--line);border-radius:16px;margin:8px 0;padding:12px 16px}.task-card h3,.task-card p{margin:6px 0}.word-bank{flex-wrap:wrap;gap:6px;display:flex}.word-bank span{background:#fff3c4;border-radius:999px;padding:2px 10px;font-size:.9rem}.coach-tabs{gap:6px;margin:10px 0;display:flex}.coach-tabs button{border:2px solid var(--line);background:var(--card);font:inherit;cursor:pointer;color:var(--ink);border-radius:12px;flex:1;padding:8px;font-weight:800}.coach-tabs button.on{border-color:var(--primary);color:var(--primary);background:#e8ecff}.coach-tabs button:disabled{opacity:.4;cursor:default}.plan{gap:10px;display:grid}.plan label{gap:4px;display:grid}.plan textarea,.write textarea.draft{box-sizing:border-box;width:100%;font:inherit;border:2px solid var(--line);color:var(--ink);resize:vertical;background:#fffdf7;border-radius:12px;padding:8px 10px;font-size:1.05rem}.write textarea.draft{min-height:14rem;line-height:1.6}.write .good{color:var(--good);font-weight:800}.plan-peek{background:#f4f6ff;border-radius:12px;margin-bottom:8px;padding:6px 12px}.plan-peek ul{margin:6px 0;padding-left:18px}.feedback-view h4{margin:12px 0 4px}.level-row{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.level-dots{vertical-align:middle;gap:3px;display:inline-flex}.level-dots i{background:var(--line);border-radius:50%;width:12px;height:12px}.level-dots i.on{background:var(--good)}.glow-grow{grid-template-columns:1fr 1fr;gap:10px;display:grid}@media (width<=520px){.glow-grow{grid-template-columns:1fr}}.glow-grow>div{background:var(--card);border:2px solid var(--line);border-radius:14px;padding:4px 12px}.glow-grow ul{margin:4px 0 8px;padding-left:18px}.marked{border:2px solid var(--line);white-space:pre-wrap;background:#fffdf7;border-radius:12px;padding:10px 12px;line-height:1.7}.marked mark{background:#ffe082;border-radius:4px;padding:0 2px}.marked sup{color:var(--bad);margin-left:1px;font-weight:900}.fix-hints{margin:6px 0;padding-left:22px}.criteria{gap:6px;padding:0;list-style:none;display:grid}.fix-sentence{flex-wrap:wrap;justify-content:center;gap:6px;margin:18px 0;display:flex}.fix-sentence .tok{font:inherit;border:2px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;border-radius:10px;padding:6px 10px;font-size:1.35rem;font-weight:700}.fix-sentence .tok.wrong{border-color:var(--bad);-webkit-text-decoration:line-through wavy var(--bad);text-decoration:line-through wavy var(--bad);background:#ffebee}.fix-sentence .tok.fixed{border-color:var(--good);background:#e0f2f1}.fix-sentence .tok.miss{border-color:var(--bad)}.usage{border-collapse:collapse;width:100%;margin:6px 0;font-size:.9rem}.usage th,.usage td{text-align:left;border-bottom:1px solid var(--line);padding:3px 6px}.kid-coach{gap:8px;margin-top:8px;display:grid}.kid-coach label{gap:3px;font-weight:700;display:grid}.kid-coach input{font:inherit;border:2px solid var(--line);border-radius:10px;padding:6px 10px}.kid-writing{border-top:1px solid var(--line);padding:6px 0}.kid-writing summary{cursor:pointer}.kid-draft{background:#fffdf7;border-radius:10px;margin:6px 0;padding:6px 10px}.pre{white-space:pre-wrap}.proof-text{border:2px solid var(--line);background:#fffdf7;border-radius:14px;flex-wrap:wrap;gap:4px 3px;margin:12px 0;padding:12px;display:flex}.ptok{font:inherit;color:var(--ink);cursor:pointer;background:0 0;border:2px solid #0000;border-radius:8px;padding:2px 4px;font-size:1.15rem}.ptok.open{border-color:var(--speed);background:#fff3e0}.ptok.fixed{border-color:var(--good);background:#e0f2f1;font-weight:800}.ptok.miss{border-color:var(--bad)}.center{text-align:center}.ordered{gap:6px;margin:8px 0;padding-left:26px;display:grid}.pool,.reasons{gap:8px;margin:8px 0;display:grid}.orderlink .card{text-align:left;width:100%;font:inherit;background:var(--card);border:2px solid var(--line);color:var(--ink);cursor:pointer;border-radius:12px;padding:8px 12px;font-size:1.05rem}.orderlink .card.good{border-color:var(--good);background:#e0f2f1}.orderlink .card.bad{border-color:var(--bad);background:#ffebee}.orderlink .card.bad-reason{border-color:var(--bad);background:#ffebee;text-decoration:line-through}.link-sentence{text-align:center;margin:18px 4px;font-size:1.3rem;font-weight:700;line-height:1.6}.blank{border-bottom:3px solid var(--primary);min-width:4.5em;color:var(--primary);display:inline-block}.blank.filled{color:var(--good);border-color:var(--good)}.goal{background:#fff3c4;border-radius:12px;padding:8px 12px;font-weight:800}.read-text{border:2px solid var(--line);background:#fffdf7;border-radius:14px;max-height:46vh;padding:4px 14px;overflow-y:auto}.read-text h3{margin:8px 0 4px}.read-text p{margin:6px 0 10px;font-size:1.05rem;line-height:1.7}.sent{border-radius:6px;padding:1px 0}.sent.pickable{cursor:pointer;background:#f4f6ff;box-shadow:0 0 0 1px #c5cae9}.sent.proof{background:#c8e6c9}.sent.miss{background:#ffcdd2}.read-q{margin:12px 0 6px;font-size:1.15rem;font-weight:800}.choices.one-col{grid-template-columns:1fr}.column-sum{font-variant-numeric:tabular-nums;text-align:center;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:2.6rem;font-weight:800;line-height:1.15;display:inline-grid}.column-sum i{border-top:4px solid var(--ink);margin-top:4px}