:root{--bg: #fff6e9;--card: #ffffff;--line: #f1e7d4;--line-strong: #e7dcc3;--ink: #3b3355;--ink-soft: #8d86a5;--brand: #7a4df5;--brand-deep: #5d37d6;--brand-soft: #f1ebff;--sun: #ffc531;--sun-deep: #e3a70f;--sun-soft: #fff3d2;--sun-ink: #8a6400;--good: #2ec46a;--good-deep: #21a052;--good-soft: #ddf7e8;--good-ink: #14743c;--bad: #ff5a5f;--bad-deep: #e23b44;--bad-soft: #ffe5e4;--bad-ink: #bf2630;--sky: #3fa7f5;--sky-soft: #e3f2ff;--sky-ink: #14639f;--radius: 28px;--font: "Nunito", "Trebuchet MS", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{font-family:var(--font);color:var(--ink);background-color:var(--bg);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='360' height='360'%3E%3Cg fill='%233B3355' fill-opacity='0.045' font-family='sans-serif' font-weight='900'%3E%3Ctext x='24' y='60' font-size='30' transform='rotate(-12 24 60)'%3E%2B%3C/text%3E%3Ctext x='150' y='40' font-size='24' 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65%)}body:after{width:55vmax;height:55vmax;bottom:-25vmax;right:-18vmax;background:radial-gradient(circle,rgba(255,197,49,.16),transparent 65%)}#root{height:100dvh}button{font-family:inherit}button:focus-visible{outline:3px solid var(--sky);outline-offset:2px}.app{position:relative;z-index:1;height:100dvh;display:flex;flex-direction:column}.topbar{height:58px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 18px}.wordmark{font-size:1.45rem;font-weight:900;letter-spacing:-.02em;-webkit-user-select:none;user-select:none}.wordmark-accent{position:relative;color:var(--brand)}.wordmark-accent:after{content:"";position:absolute;left:-2px;right:-4px;bottom:1px;height:9px;background:var(--sun);border-radius:6px;transform:rotate(-1.5deg);opacity:.9;z-index:-1}.topbar-stats{display:flex;gap:8px}.stat-pill{display:flex;align-items:center;gap:5px;background:var(--card);border:2px solid var(--line-strong);border-radius:999px;padding:4px 12px;font-size:.88rem;font-weight:900;box-shadow:0 3px 0 var(--line-strong)}.stat-streak{color:#f2790f}.stat-hearts{color:var(--bad)}.stat-pill.stat-dim{color:var(--ink-soft);opacity:.75}.view{flex:1;position:relative;min-height:0;display:flex;flex-direction:column}.view>.feed{flex:1}.bottomnav{flex:none;display:flex;background:var(--card);border-top:2px solid var(--line);padding:6px 8px calc(6px + env(safe-area-inset-bottom,0px))}.nav-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 4px 5px;background:none;border:0;border-radius:14px;font-size:.7rem;font-weight:900;letter-spacing:.04em;color:var(--ink-soft);cursor:pointer;transition:color .2s,background .2s,transform .15s}.nav-btn:active{transform:scale(.95)}.nav-btn.nav-active{color:var(--brand-deep);background:var(--brand-soft)}.page{flex:1;min-height:0;overflow-y:auto;width:100%;max-width:480px;margin:0 auto;padding:8px 16px 20px;display:flex;flex-direction:column;gap:14px}.home-greet h1{margin:6px 0 2px;font-size:1.6rem;font-weight:900;letter-spacing:-.01em}.home-greet p{margin:0;font-weight:700;color:var(--ink-soft)}.home-card{background:var(--card);border:2px solid var(--line-strong);border-radius:22px;box-shadow:0 5px 0 var(--line-strong);padding:16px}.home-duo{display:grid;grid-template-columns:1fr 1fr;gap:12px}.hc-icon{width:40px;height:40px;border-radius:13px;display:flex;align-items:center;justify-content:center;margin-bottom:8px}.streak-icon{background:#ffe9d2;color:#f2790f}.hearts-icon{background:var(--bad-soft);color:var(--bad)}.challenge-icon{background:var(--sun-soft);color:var(--sun-ink)}.hc-big{margin:0;font-size:1.9rem;font-weight:900;line-height:1.1}.hc-label{margin:2px 0 0;font-size:.8rem;font-weight:800;color:var(--ink-soft)}.hc-warn{margin:8px 0 0;font-size:.72rem;font-weight:800;color:#b25607;line-height:1.35}.streak-card.at-risk{border-color:#ffd9ae;box-shadow:0 5px #ffd9ae}.hearts-row{display:flex;gap:3px;margin-bottom:6px}.hh{display:inline-flex}.hh-full{color:var(--bad)}.hh-empty{color:var(--line-strong)}.goal-card{display:flex;align-items:center;gap:16px}.ring-num{font-size:1.35rem;font-weight:900;fill:var(--ink);font-family:var(--font)}.ring-sub{font-size:.7rem;font-weight:800;fill:var(--ink-soft);font-family:var(--font)}.goal-title{margin:0;font-size:1rem;font-weight:900}.goal-sub{margin:3px 0 0;font-size:.85rem;font-weight:700;color:var(--ink-soft)}.challenge-card{display:flex;align-items:center;gap:14px;text-align:left;font-family:inherit;color:inherit;cursor:pointer;transition:transform .15s,box-shadow .15s}.challenge-card:not(:disabled):active{transform:translateY(3px);box-shadow:0 2px 0 var(--line-strong)}.challenge-card:disabled{cursor:default;opacity:.75}.challenge-card .hc-icon{margin-bottom:0;flex:none}.challenge-text{flex:1}.challenge-go{flex:none;background:var(--brand);color:#fff;border-radius:999px;padding:8px 16px;font-size:.82rem;font-weight:900;letter-spacing:.06em;box-shadow:0 3px 0 var(--brand-deep)}.cta{margin-top:auto;width:100%;padding:17px;border:0;border-radius:20px;background:var(--brand);box-shadow:0 5px 0 var(--brand-deep);color:#fff;font-family:inherit;font-size:1.05rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;transition:transform .15s,box-shadow .15s}.cta:not(:disabled):active{transform:translateY(4px);box-shadow:0 1px 0 var(--brand-deep)}.cta.cta-locked{background:var(--line-strong);box-shadow:0 5px #d8cbae;color:var(--ink-soft);text-transform:none;letter-spacing:.02em;cursor:default}.ghost-btn{background:none;border:0;font-family:inherit;font-size:.9rem;font-weight:800;color:var(--ink-soft);cursor:pointer;padding:10px}.ghost-btn:hover{color:var(--ink)}.profile-head{display:flex;align-items:center;gap:14px;padding-top:8px}.avatar{width:62px;height:62px;border-radius:22px;background:var(--brand);box-shadow:0 4px 0 var(--brand-deep);color:#fff;font-size:1.7rem;font-weight:900;display:flex;align-items:center;justify-content:center;flex:none}.name-btn{background:none;border:0;font-family:inherit;font-size:1.25rem;font-weight:900;color:var(--ink);cursor:pointer;display:flex;align-items:baseline;gap:8px;padding:0}.name-hint{font-size:.72rem;font-weight:800;color:var(--brand);text-transform:uppercase;letter-spacing:.08em}.name-edit input{font-family:inherit;font-size:1.15rem;font-weight:900;color:var(--ink);background:var(--card);border:2px solid var(--brand);border-radius:12px;padding:8px 12px;width:180px;outline:none}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat-box{position:relative;background:var(--card);border:2px solid var(--line-strong);border-radius:18px;box-shadow:0 4px 0 var(--line-strong);padding:14px 16px}.stat-ico{position:absolute;top:12px;right:12px;display:inline-flex}.xp-ico{color:var(--sun-deep)}.streak-ico{color:#f2790f}.stat-num{margin:0;font-size:1.45rem;font-weight:900;line-height:1.15}.stat-label{margin:2px 0 0;font-size:.75rem;font-weight:800;color:var(--ink-soft)}.level-card{background:var(--card);border:2px solid var(--line-strong);border-radius:18px;box-shadow:0 4px 0 var(--line-strong);padding:14px 16px}.level-row{display:flex;justify-content:space-between;align-items:baseline}.level-num{margin:0;font-size:.85rem;font-weight:900;color:var(--brand-deep)}.level-bar{margin-top:10px;height:12px;border-radius:999px;background:var(--bg);border:1.5px solid var(--line-strong);overflow:hidden}.level-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#a487ff);transition:width .5s}.level-note{margin:8px 0 0;font-size:.72rem;font-weight:700;color:var(--ink-soft)}.ctx-stats{background:var(--card);border:2px solid var(--line-strong);border-radius:18px;box-shadow:0 4px 0 var(--line-strong);padding:14px 16px;display:flex;flex-direction:column;gap:10px}.ctx-row{display:flex;align-items:center;gap:10px}.ctx-name{flex:none;width:92px;font-size:.8rem;font-weight:800}.ctx-bar{flex:1;height:10px;border-radius:999px;background:var(--bg);border:1.5px solid var(--line);overflow:hidden}.ctx-fill{height:100%;border-radius:999px;background:var(--good)}.ctx-acc{flex:none;width:38px;text-align:right;font-size:.78rem;font-weight:900;color:var(--ink-soft)}.reset-btn{margin-top:4px;background:none;border:2px solid var(--bad-soft);border-radius:14px;color:var(--bad-ink);font-family:inherit;font-size:.85rem;font-weight:800;padding:12px;cursor:pointer}.reset-btn:hover{background:var(--bad-soft)}.nohearts{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:24px;text-align:center;max-width:480px;margin:0 auto;width:100%}.nohearts h2{margin:14px 0 0;font-size:1.5rem;font-weight:900}.nohearts-icon{width:92px;height:92px;border-radius:50%;background:var(--bad-soft);color:var(--bad);display:flex;align-items:center;justify-content:center;animation:pop-in .35s cubic-bezier(.2,.9,.3,1.4) backwards}.nohearts-icon.nh-alive{background:var(--good-soft);color:var(--bad);animation:slot-bounce .5s cubic-bezier(.2,.9,.3,1.5)}.nh-sub{margin:4px 0 0;font-weight:700;color:var(--ink-soft);max-width:280px}.nh-timer{margin:10px 0 4px;font-size:2.3rem;font-weight:900;color:var(--bad);font-variant-numeric:tabular-nums}.nohearts .cta{margin-top:16px;max-width:300px}.challenge-top{position:absolute;top:0;left:0;right:0;display:flex;flex-direction:column;align-items:center;gap:7px;padding:4px 0 0;z-index:3}.challenge-dots{display:flex;gap:8px;background:var(--card);border:2px solid var(--line-strong);border-radius:999px;padding:7px 14px;box-shadow:0 3px 0 var(--line-strong)}.cdot{width:10px;height:10px;border-radius:50%;background:var(--line-strong);transition:background .2s,transform .2s}.cdot-now{transform:scale(1.3);background:var(--brand)}.cdot-good{background:var(--good)}.cdot-bad{background:var(--bad)}.challenge-feed .stage{top:84px}.lesson-pill{background:var(--ink);color:#fff;border-radius:999px;padding:7px 16px;font-size:.78rem;font-weight:900;letter-spacing:.05em;box-shadow:0 3px #3b335559}.challenge-done{align-items:center;justify-content:center;text-align:center;gap:4px}.challenge-done h2{margin:14px 0 0;font-size:1.55rem;font-weight:900}.done-icon{width:92px;height:92px;border-radius:50%;background:var(--sun-soft);color:var(--sun-deep);display:flex;align-items:center;justify-content:center;animation:slot-bounce .5s cubic-bezier(.2,.9,.3,1.5)}.done-score{margin:6px 0 0;font-size:2rem;font-weight:900;color:var(--brand-deep)}.done-xp{margin:2px 0 0;font-weight:800;color:var(--sun-ink);background:var(--sun-soft);border-radius:999px;padding:6px 14px}.challenge-done .cta{margin-top:22px;max-width:300px}.xp-chip{flex:none;margin-left:auto;background:var(--good);color:#fff;border-radius:999px;padding:6px 12px;font-size:.82rem;font-weight:900;box-shadow:0 3px 0 var(--good-deep);animation:pop-in .3s cubic-bezier(.2,.9,.3,1.4) .1s backwards}.feed{flex:1;position:relative;touch-action:none;min-height:0}.stage{position:absolute;top:4px;bottom:16px;left:0;right:0;margin:0 auto;max-width:480px}.stage-bounce{animation:nudge .5s ease}@keyframes nudge{30%{transform:translateY(-14px)}60%{transform:translateY(4px)}}.card{position:absolute;top:0;bottom:0;left:14px;right:14px;background:var(--card);border:2px solid var(--line-strong);border-radius:var(--radius);box-shadow:0 10px #5d37d612,0 24px 48px #3b33551a;display:flex;flex-direction:column;padding:18px 20px;overflow:hidden}.card-enter{animation:card-in .55s cubic-bezier(.18,.89,.32,1.18) 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0;text-align:center;font-size:.78rem;font-weight:800;color:var(--ink-soft);letter-spacing:.02em;flex:none}.swipe-zone{flex:1;display:flex;flex-direction:column;position:relative;min-height:0}.swipe-body{flex:1;display:flex;flex-direction:column;justify-content:center;gap:28px;transition:transform .3s cubic-bezier(.2,.8,.3,1.2);will-change:transform;min-height:0}.swipe-body.dragging{transition:none}.chip-row{display:flex;justify-content:space-between;gap:14px}.chip-opt{flex:1;display:flex;align-items:center;justify-content:center;gap:10px;padding:18px 12px;background:var(--card);border:2px solid var(--line-strong);border-radius:20px;box-shadow:0 5px 0 var(--line-strong);font-size:clamp(1.1rem,4.5vw,1.35rem);font-weight:900;color:var(--ink);cursor:pointer;transition:transform .16s,box-shadow .16s,background .2s,border-color .2s,color .2s,opacity .2s}.chip-opt:active{transform:translateY(4px);box-shadow:0 1px 0 var(--line-strong)}.chip-arrow{font-size:1rem;font-weight:900;color:var(--ink-soft);transition:color .2s}.chip-opt.armed{background:var(--brand);border-color:var(--brand-deep);box-shadow:0 5px 0 var(--brand-deep);color:#fff;transform:translateY(-3px) scale(1.05)}.chip-opt.chip-good{background:var(--good);border-color:var(--good-deep);box-shadow:0 5px 0 var(--good-deep);color:#fff}.chip-opt.chip-bad{background:var(--bad);border-color:var(--bad-deep);box-shadow:0 5px 0 var(--bad-deep);color:#fff}.chip-opt.chip-dim{opacity:.45}.chip-opt.armed .chip-arrow,.chip-opt.chip-good .chip-arrow,.chip-opt.chip-bad .chip-arrow{color:#ffffffd9}.undo{position:absolute;top:0;right:0;bottom:0;left:0;background:transparent;border:0;cursor:pointer;display:flex;align-items:flex-end;justify-content:center;padding:0 0 6px;z-index:6}.undo-pill{position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:999px;padding:12px 24px 14px;font-size:.9rem;font-weight:800;box-shadow:0 6px 18px #3b335540;animation:pop-in .25s cubic-bezier(.2,.9,.3,1.4) backwards}.undo-bar{position:absolute;left:0;bottom:0;height:4px;width:100%;background:var(--sun);animation:undo-drain .8s linear forwards}@keyframes undo-drain{0%{width:100%}to{width:0}}@keyframes pop-in{0%{transform:scale(.7);opacity:0}}.tile-zone{flex:1;display:flex;flex-direction:column;min-height:0}.q-wrap{flex:1;display:flex;align-items:center;justify-content:center;min-height:0;overflow-y:auto}.slot{display:inline-flex;align-items:center;justify-content:center;min-width:58px;height:46px;margin:0 5px;padding:0 12px;border-radius:14px;border:2px dashed var(--line-strong);background:var(--bg);font-family:inherit;font-size:1.1rem;font-weight:900;color:var(--brand-deep);vertical-align:middle;cursor:pointer;transition:border-color .2s,background .2s,color .2s}.slot:hover{border-color:var(--brand)}.slot.filled{border-style:solid;border-color:var(--brand);background:var(--brand-soft);animation:slot-bounce .35s cubic-bezier(.2,.9,.3,1.5)}.slot.slot-good{border-color:var(--good-deep);background:var(--good);color:#fff}.slot.slot-bad{border-color:var(--bad-deep);background:var(--bad);color:#fff}.slot.slot-reveal{border-color:var(--good-deep);background:var(--good-soft);color:var(--good-ink);animation:slot-bounce .35s}@keyframes slot-bounce{0%{transform:scale(.7)}60%{transform:scale(1.12)}to{transform:scale(1)}}.bank{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;padding:16px 0;flex:none}.tile{min-width:62px;padding:13px 18px;background:var(--card);border:2px solid var(--line-strong);border-radius:16px;box-shadow:0 4px 0 var(--line-strong);font-size:1.25rem;font-weight:900;color:var(--ink);cursor:pointer;transition:transform .15s,box-shadow .15s,color .15s,border-color .15s,opacity .2s;animation:tile-pop .5s cubic-bezier(.2,.9,.3,1.35) backwards}.tile:hover{transform:translateY(-3px);border-color:var(--brand);color:var(--brand-deep)}.tile:active{transform:translateY(3px);box-shadow:0 1px 0 var(--line-strong)}.tile-used{opacity:.25;transform:scale(.9);box-shadow:none;pointer-events:none}@keyframes tile-pop{0%{transform:translateY(18px) scale(.6);opacity:0}}.submit-row{height:56px;flex:none}.submit{width:100%;height:100%;border:0;border-radius:18px;background:var(--good);box-shadow:0 5px 0 var(--good-deep);color:#fff;font-size:1.05rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;opacity:0;transform:translateY(10px) scale(.96);pointer-events:none;transition:opacity .25s,transform .25s cubic-bezier(.2,.9,.3,1.3),box-shadow .15s}.submit.submit-in{opacity:1;transform:none;pointer-events:auto}.submit:active{transform:translateY(4px);box-shadow:0 1px 0 var(--good-deep)}.sheet{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;gap:14px;padding:18px 22px 22px;border-radius:22px 22px calc(var(--radius) - 2px) calc(var(--radius) - 2px);animation:sheet-in .35s cubic-bezier(.2,.9,.3,1.2);z-index:5}.sheet-good{background:var(--good-soft);color:var(--good-ink)}.sheet-bad{background:var(--bad-soft);color:var(--bad-ink)}@keyframes sheet-in{0%{transform:translateY(100%)}}.sheet-icon{flex:none;width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;animation:icon-bounce .5s cubic-bezier(.2,.9,.3,1.6) .05s backwards}.sheet-good .sheet-icon{background:var(--good)}.sheet-bad .sheet-icon{background:var(--bad)}@keyframes icon-bounce{0%{transform:scale(0)}}.sheet-title{margin:0;font-size:1.25rem;font-weight:900}.sheet-sub{margin:2px 0 0;font-size:.95rem;font-weight:700}.sheet-sub b{font-weight:900}.confetti{position:absolute;left:44px;top:10px;width:0;height:0}.confetti i{position:absolute;width:9px;height:9px;border-radius:3px;opacity:0;animation:burst .75s ease-out forwards}.cf-0{background:var(--brand);--dx: -46px;--dy: -54px}.cf-1{background:var(--sun);--dx: 38px;--dy: 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(pointer:fine){.stage{bottom:46px}.keyhint{display:flex;gap:28px;justify-content:center;position:absolute;left:0;right:0;bottom:12px;font-size:.8rem;font-weight:700;color:var(--ink-soft)}.keyhint b{color:var(--ink);background:var(--card);border:1.5px solid var(--line-strong);border-bottom-width:3px;border-radius:7px;padding:1px 7px;font-weight:900}}@media(min-width:769px){.card{left:0;right:0;padding:24px 28px 22px}}.tp-kembalian{background:var(--sun-soft);color:var(--sun-ink)}.tp-perkalian{background:var(--brand-soft);color:var(--brand-deep)}.tp-persentase{background:var(--bad-soft);color:var(--bad-ink)}.tp-tabungan{background:var(--good-soft);color:var(--good-ink)}.tp-pecahan{background:#ffe9d2;color:#b25607}.tp-aljabar{background:var(--sky-soft);color:var(--sky-ink)}.landing{position:relative;z-index:1;height:100dvh;overflow-y:auto}.landing-inner{max-width:480px;margin:0 auto;padding:34px 22px 48px;display:flex;flex-direction:column;align-items:center;text-align:center}.landing-logo{font-size:1.7rem}.landing-title{margin:26px 0 0;font-size:clamp(2rem,8vw,2.6rem);font-weight:900;line-height:1.15;letter-spacing:-.02em}.landing-sub{margin:14px 0 0;font-size:1rem;font-weight:700;color:var(--ink-soft);line-height:1.55;max-width:340px}.landing-cta{margin-top:26px;max-width:320px}.landing-note{margin:10px 0 0;font-size:.78rem;font-weight:800;color:var(--ink-soft)}.landing-quiz{margin-top:26px;width:100%;background:var(--card);border:2px solid var(--line-strong);border-radius:22px;box-shadow:0 6px 0 var(--line-strong);padding:18px 20px 20px;text-align:left;transition:border-color .25s,box-shadow .25s}.landing-quiz.lq-salah{border-color:var(--good);box-shadow:0 6px 0 var(--good-deep)}.landing-quiz.lq-benar{border-color:var(--sun);box-shadow:0 6px 0 var(--sun-deep)}.lq-label{margin:0;font-size:.72rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase;color:var(--brand-deep)}.lq-question{margin:8px 0 0;font-size:1.15rem;font-weight:900;line-height:1.4}.lq-options{display:flex;gap:10px;margin-top:14px}.lq-btn{flex:1;padding:13px;background:var(--bg);border:2px solid var(--line-strong);border-radius:16px;box-shadow:0 4px 0 var(--line-strong);font-family:inherit;font-size:1rem;font-weight:900;color:var(--ink);cursor:pointer;transition:transform .15s,box-shadow .15s,border-color .15s,color .15s}.lq-btn:hover{border-color:var(--brand);color:var(--brand-deep)}.lq-btn:active{transform:translateY(3px);box-shadow:0 1px 0 var(--line-strong)}.lq-reveal{margin-top:12px;animation:pop-in .35s cubic-bezier(.2,.9,.3,1.4)}.lq-verdict{margin:0;font-size:1.05rem;font-weight:900}.lq-salah .lq-verdict{color:var(--good-ink)}.lq-benar .lq-verdict{color:var(--sun-ink)}.lq-explain{margin:6px 0 0;font-size:.9rem;font-weight:700;color:var(--ink-soft);line-height:1.5}.lq-explain b{color:var(--ink)}.landing-stats{margin-top:26px;display:flex;align-items:center;gap:12px;font-size:.85rem;font-weight:900;color:var(--ink-soft)}.landing-stats i{width:5px;height:5px;border-radius:50%;background:var(--line-strong)}.landing-features{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}.landing-card{background:var(--card);border:2px solid var(--line-strong);border-radius:22px;box-shadow:0 5px 0 var(--line-strong);padding:16px;text-align:left;animation:card-in .55s cubic-bezier(.18,.89,.32,1.18) backwards}.landing-card:nth-child(odd){transform:rotate(-.6deg)}.landing-card:nth-child(2n){transform:rotate(.6deg)}.lc-minigrid{display:flex;gap:4px;margin-top:10px}.lc-minigrid i{width:14px;height:14px;border-radius:4px;animation:tile-pop .5s cubic-bezier(.2,.9,.3,1.35) backwards}.mg-g{background:var(--good)}.mg-y{background:var(--brand)}.mg-x{background:#e7e2ee}.landing-cta-bottom{margin-top:26px}.landing-card .goal-sub{margin-top:6px;line-height:1.45}.lf-brand{background:var(--brand-soft);color:var(--brand-deep)}.lf-sun{background:var(--sun-soft);color:var(--sun-ink)}.lf-good{background:var(--good-soft);color:var(--good-ink)}.lf-sky{background:var(--sky-soft);color:var(--sky-ink)}.landing-strip{margin-top:26px;display:flex;align-items:center;gap:8px;background:var(--sun-soft);color:var(--sun-ink);border-radius:999px;padding:10px 18px;font-size:.85rem;font-weight:800}@media(max-width:380px){.landing-features{grid-template-columns:1fr}}.stat-level{color:var(--brand-deep)}.mini-card{text-align:left;font-family:inherit;color:inherit;cursor:pointer;transition:transform .15s,box-shadow .15s}.mini-card:active{transform:translateY(3px);box-shadow:0 2px 0 var(--line-strong)}.topic-head{display:flex;align-items:center;gap:12px}.topic-badge{flex:none;width:46px;height:46px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.3rem;font-weight:900;color:#fff;box-shadow:0 3px #3b33552e}.tb-0{background:var(--sun);color:var(--sun-ink)}.tb-1{background:var(--brand)}.tb-2{background:var(--bad)}.tb-3{background:var(--good)}.tb-4{background:#f2790f}.tb-5{background:var(--sky)}.topic-info{flex:1;min-width:0}.topic-crown{flex:none;color:var(--sun-deep)}.topic-mastered{border-color:#f7dd9b;box-shadow:0 5px #f7dd9b}.level-nodes{display:flex;gap:10px;margin-top:14px}.level-node{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 6px;background:var(--bg);border:2px solid var(--line-strong);border-radius:16px;font-family:inherit;font-size:.72rem;font-weight:800;color:var(--ink-soft);cursor:pointer;transition:transform .15s,background .2s,border-color .2s}.level-node:disabled{cursor:default;opacity:.6}.level-node:not(:disabled):active{transform:translateY(2px)}.level-node.ln-done{background:var(--sun-soft);border-color:var(--sun);color:var(--sun-ink)}.level-node.ln-next{background:var(--brand);border-color:var(--brand-deep);box-shadow:0 4px 0 var(--brand-deep);color:#fff}.ln-num{width:22px;height:22px;border-radius:50%;background:#ffffff40;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:900}.ln-label{letter-spacing:.03em}.done-icon-sad{background:var(--sky-soft);color:var(--sky-ink)}.done-grid{margin:8px 0 0;font-size:1.5rem;letter-spacing:3px}.share-row{display:flex;gap:10px;margin-top:16px}.share-btn{display:inline-flex;align-items:center;gap:7px;border:0;border-radius:999px;padding:12px 22px;background:var(--brand);box-shadow:0 4px 0 var(--brand-deep);color:#fff;font-family:inherit;font-size:.9rem;font-weight:900;letter-spacing:.03em;cursor:pointer;text-decoration:none;transition:transform 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cubic-bezier(.2,.9,.3,1.5)}.mcell.mc-g{background:var(--good);border-color:var(--good-deep);color:#fff}.mcell.mc-y{background:var(--brand);border-color:var(--brand-deep);color:#fff}.mcell.mc-x{background:#e7e2ee;border-color:#d7d0e2;color:var(--ink-soft)}.mathle-toast{position:static;translate:0 -4px;align-self:center;margin-top:-4px;height:0;overflow:visible}.mathle-toast.toast-in{translate:0 0;height:auto}.mathle-keys{margin-top:auto;display:flex;flex-direction:column;gap:8px;padding-bottom:4px}.mkey-row{display:flex;gap:6px;justify-content:center}.mkey{flex:1;max-width:52px;padding:13px 0;background:var(--card);border:2px solid var(--line-strong);border-radius:12px;box-shadow:0 3px 0 var(--line-strong);font-family:inherit;font-size:1.05rem;font-weight:900;color:var(--ink);cursor:pointer;transition:transform .12s,box-shadow .12s,background .2s,color .2s}.mkey:active{transform:translateY(3px);box-shadow:0 0 0 var(--line-strong)}.mkey-ok{max-width:84px;background:var(--good);border-color:var(--good-deep);box-shadow:0 3px 0 var(--good-deep);color:#fff}.mkey-del{max-width:64px}.mkey.mk-g{background:var(--good);border-color:var(--good-deep);box-shadow:0 3px 0 var(--good-deep);color:#fff}.mkey.mk-y{background:var(--brand);border-color:var(--brand-deep);box-shadow:0 3px 0 var(--brand-deep);color:#fff}.mkey.mk-x{background:#e7e2ee;border-color:#d7d0e2;box-shadow:0 3px #d7d0e2;color:var(--ink-soft)}.mathle-done{display:flex;flex-direction:column;align-items:center;text-align:center;margin-top:6px}.mathle-verdict{margin:0;font-size:1.05rem;font-weight:800;line-height:1.5}.mathle-verdict b{color:var(--brand-deep)}.levelup{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:50}.levelup-card{background:var(--brand);color:#fff;border-radius:26px;padding:26px 40px;text-align:center;box-shadow:0 8px 0 var(--brand-deep),0 24px 60px #5d37d659;animation:levelup-pop 2.6s cubic-bezier(.2,.9,.3,1.3) forwards}.levelup-big{margin:0;font-size:2rem;font-weight:900}.levelup-title{margin:4px 0 0;font-size:1rem;font-weight:800;opacity:.9}@keyframes levelup-pop{0%{transform:scale(.5) rotate(-4deg);opacity:0}8%{transform:scale(1.05) rotate(1deg);opacity:1}12%{transform:scale(1)}88%{transform:scale(1);opacity:1}to{transform:scale(.92);opacity:0}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}