.ui-btn{font-family:var(--font-display);font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);position:relative;transition:transform .1s,box-shadow .1s;text-decoration:none;white-space:nowrap;filter:url(#crayon)}@keyframes btn-wobble{0%{transform:translate(-2px,-2px) rotate(0)}25%{transform:translate(-3px,-3px) rotate(-.5deg)}75%{transform:translate(-2px,-3px) rotate(.5deg)}to{transform:translate(-2px,-2px) rotate(0)}}@keyframes btn-wobble-sm{0%{transform:translate(-1px,-1px) rotate(0)}25%{transform:translate(-2px,-2px) rotate(-.5deg)}75%{transform:translate(-1px,-2px) rotate(.5deg)}to{transform:translate(-1px,-1px) rotate(0)}}.ui-btn--primary{background:var(--btn-primary-bg);color:var(--btn-primary-text);border:3px solid var(--btn-primary-border);border-radius:12px 15px 13px 14px/14px 12px 15px 13px;box-shadow:4px 5px 0 var(--btn-primary-border);transform:translate(-2px,-2px);padding:var(--space-3) var(--space-6);font-size:var(--text-lg)}.ui-btn--primary:hover:not(:disabled){animation:btn-wobble .35s ease;box-shadow:5px 6px 0 var(--btn-primary-border)}.ui-btn--primary:active:not(:disabled){transform:translate(0);box-shadow:1px 2px 0 var(--btn-primary-border)}.ui-btn--primary:disabled{opacity:.5;cursor:not-allowed;transform:translate(-1px,-1px);box-shadow:2px 3px 0 var(--btn-primary-border)}.ui-btn--secondary{background:var(--btn-secondary-bg);color:var(--text);border:3px solid var(--btn-secondary-border);border-radius:11px 14px 12px 13px/13px 11px 14px 12px;box-shadow:3px 4px 0 var(--btn-secondary-border);transform:translate(-1px,-1px);padding:var(--space-3) var(--space-6);font-size:var(--text-lg)}.ui-btn--secondary:hover:not(:disabled){animation:btn-wobble-sm .35s ease;box-shadow:4px 5px 0 var(--btn-secondary-border)}.ui-btn--secondary:active:not(:disabled){transform:translate(0);box-shadow:1px 1px 0 var(--btn-secondary-border)}.ui-btn--back{background:transparent;color:var(--text);border:2px solid var(--btn-secondary-border, currentColor);border-radius:10px 12px 11px 13px/12px 10px 13px 11px;box-shadow:2px 3px 0 var(--btn-secondary-border, currentColor);transform:translate(-1px,-1px);padding:var(--space-2) var(--space-4);font-size:var(--text-base);font-weight:600}.ui-btn--back:hover{background:var(--card-bg);animation:btn-wobble-sm .35s ease;box-shadow:3px 4px 0 var(--btn-secondary-border, currentColor)}.ui-btn--back:active{transform:translate(0);box-shadow:none}.ui-btn--fab{background:var(--btn-primary-bg);color:var(--btn-primary-text);border:3px solid var(--btn-primary-border);border-radius:9999px;box-shadow:4px 5px 0 var(--btn-primary-border);transform:translate(-2px,-2px);padding:var(--space-3) var(--space-8);font-size:var(--text-base)}.ui-btn--fab:hover:not(:disabled){animation:btn-wobble .35s ease;box-shadow:5px 6px 0 var(--btn-primary-border)}.ui-btn--fab:active:not(:disabled){transform:translate(0);box-shadow:1px 2px 0 var(--btn-primary-border)}.ui-btn--sm{font-size:var(--text-sm);padding:var(--space-2) var(--space-4)}.ui-btn--lg{font-size:var(--text-xl);padding:var(--space-4) var(--space-8)}.ui-card{background:var(--card-bg);border:3px solid var(--card-border-color);border-radius:14px 17px 15px 16px/16px 14px 17px 15px;box-shadow:var(--card-shadow);padding:var(--space-4);transform:rotate(var(--card-tilt, 0deg));transition:transform .15s,box-shadow .15s}.ui-card--interactive{cursor:pointer}.ui-card--interactive:hover{transform:rotate(var(--card-tilt, 0deg)) translateY(-3px);box-shadow:var(--shadow-lg)}.ui-card--interactive:active{transform:rotate(var(--card-tilt, 0deg)) translateY(0);box-shadow:var(--shadow-sm)}.ui-heading{font-family:var(--font-display);font-weight:800;color:var(--text);text-shadow:var(--heading-shadow);line-height:1.15;margin:0}.ui-heading--1{font-size:var(--text-4xl)}.ui-heading--2{font-size:var(--text-2xl)}.ui-heading--3{font-size:var(--text-xl)}.ui-label{font-family:var(--font-body);font-size:var(--text-sm);font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin:0}.ui-badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:var(--space-1) var(--space-3);border-radius:9999px;border:2px solid 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var(--space-3);background:#ffffffe6;border:none;border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:700;cursor:pointer;box-shadow:var(--shadow-sm);color:var(--text);font-family:inherit;transition:transform .1s,box-shadow .1s;filter:url(#crayon)}.kingdom-map__profile-chip:hover{transform:scale(1.04);box-shadow:var(--shadow-md)}[data-theme=space] .kingdom-map__profile-chip{background:#1a1a3ee6;color:var(--text);border:1px solid var(--border)}.kingdom-map__path{display:flex;flex-direction:column;align-items:center;gap:0;width:100%;max-width:380px;padding:var(--space-6) var(--space-6);position:relative}.kingdom-map__node:nth-child(odd){align-self:flex-start}.kingdom-map__node:nth-child(2n){align-self:flex-end}.kingdom-map__node{display:flex;flex-direction:column;align-items:center;margin-bottom:var(--space-2)}.kingdom-map__connector{width:5px;height:44px;background:repeating-linear-gradient(to bottom,var(--map-path-color) 0px,var(--map-path-color) 6px,transparent 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3rem;position:relative;overflow:hidden}.topic-screen[data-topic=addition]{background:var(--quiz-bg-addition)}.topic-screen[data-topic=subtraction]{background:var(--quiz-bg-subtraction)}.topic-screen[data-topic=multiplication]{background:var(--quiz-bg-multiplication)}.topic-screen[data-topic=fractions]{background:var(--quiz-bg-fractions)}.topic-screen[data-topic=geometry]{background:var(--quiz-bg-geometry)}.topic-screen[data-topic=time]{background:var(--quiz-bg-time)}.topic-screen[data-topic=money]{background:var(--quiz-bg-money)}.topic-screen__header{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin:1rem 0 2rem;color:#fff}.topic-screen__title{margin:0}.level-map{display:flex;flex-direction:column;width:100%;max-width:300px;gap:0}.level-map__stop{display:flex;position:relative;padding:0 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hint-slide-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.hint-panel__inner{background:#ffffffeb;border-radius:16px;padding:1rem 1.25rem;box-shadow:0 4px 20px #00000026}.hint-label{font-size:.9rem;font-weight:600;color:#555;margin:0 0 .75rem;text-align:center}.hint-fallback{text-align:center;font-size:1rem;color:#666;margin:0}.hint-numberline{width:100%}.nl-track{position:relative;height:36px;margin:28px 12px 0;border-top:3px solid #555}.nl-tick{position:absolute;top:0;transform:translate(-50%) translateY(-100%);display:flex;flex-direction:column;align-items:center}.nl-tick-line{width:2px;height:8px;background:#555}.nl-tick-label{font-size:.7rem;font-weight:600;color:#444;margin-bottom:2px}.nl-tick--start .nl-tick-line{background:#007aff;height:14px}.nl-tick--start .nl-tick-label{color:#007aff;font-size:.8rem}.nl-tick--end .nl-tick-line{background:var(--color-correct);height:14px}.nl-tick--end .nl-tick-label{color:var(--color-correct);font-size:.8rem;font-weight:800}.nl-arc{position:absolute;top:0;height:28px;border-radius:0 0 50% 50%;border-bottom:3px solid;border-left:3px solid;border-right:3px solid;animation:arc-grow .4s ease forwards;transform-origin:top center}.nl-arc--add{border-color:#ff9500}.nl-arc--sub{border-color:#007aff}@keyframes arc-grow{0%{transform:scaleX(0);opacity:0}to{transform:scaleX(1);opacity:1}}.nl-arrow-head{position:absolute;top:3px;transform:translate(-50%);width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:8px solid var(--color-correct)}.hint-dots{text-align:center}.dot-grid{display:inline-flex;flex-direction:column;gap:5px;margin-top:.25rem}.dot-row{display:flex;gap:5px}.dot{width:14px;height:14px;border-radius:50%;display:inline-block;animation:dot-pop .3s ease 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li{font-size:.8rem;color:#555;background:#0000000a;border-radius:8px;padding:.3rem .6rem;font-family:monospace}.hint-boxes{text-align:center}.box-groups{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin:.5rem 0 .1rem}.group-box{width:52px;height:52px;border-radius:12px;border:3px solid #ddd;background:#f5f5f5;display:flex;align-items:center;justify-content:center}.group-box--answer{border-color:#ff9500;background:#fff3e0;box-shadow:0 0 8px #ff950059}.group-box__num{font-size:1.4rem;font-weight:800;color:#333}.group-box--answer .group-box__num{color:#ff9500}.box-arrow{font-size:.85rem;color:#ff9500;font-weight:700;margin:0 0 .25rem}.dg-rule{font-size:.85rem;color:#555;margin:.25rem 0 0}.hint-fracbars{display:flex;flex-direction:column;gap:.4rem;width:100%}.fracbar-row{display:flex;align-items:center;gap:.5rem}.fracbar-label{font-size:.85rem;font-weight:700;color:#555;min-width:2.5rem;text-align:right;font-variant-numeric:tabular-nums}.fracbar-track{display:flex;flex:1;height:22px;border-radius:4px;overflow:hidden;gap:2px;background:transparent}.fracbar-seg{flex:1;border-radius:3px;transition:background .2s}.fracbar-seg--filled{background:#4d96ff}.fracbar-seg--filled-hi{background:#ff9500}.fracbar-seg--empty{background:#e0e0e0}.frac-plus{text-align:center;font-size:1.2rem;font-weight:800;color:#888}.particles-host{position:absolute;top:50%;left:50%;width:0;height:0;pointer-events:none;z-index:10}.particle{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--color);animation:particle-fly .6s ease-out forwards}@keyframes particle-fly{0%{transform:rotate(var(--angle)) translate(0) scale(1);opacity:1}to{transform:rotate(var(--angle)) 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