:root{--selected-color:#25baff;--wrong-color:#ffdd00;--timer-color:#ffdd00;--low-time-color:#ff0e42;--background-color:#0b3457}section{padding-top:15px;display:flex;justify-content:center;align-items:center}.app-wrapper{display:flex;justify-content:center;position:relative;width:100%;height:100%;padding:10px;border-radius:20px 20px 0 0;box-shadow:0 0 3px rgba(0,0,0,.2);border:5px solid var(--site-color-1);overflow-x:hidden;overflow-y:scroll;-ms-overflow-style:none;scrollbar-width:none}.app-wrapper::-webkit-scrollbar{display:none}.app-wrapper.start{border:5px solid var(--background-color);background:var(--background-color)}.app-wrapper.start.bonus{animation:.1s infinite alternate bonusEffect}@keyframes bonusEffect{0%{border-color:#fd690d}100%{border-color:#ff0}}.app-intro{z-index:4;position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:20px;font-weight:700;background:#fff;overflow-y:scroll;-ms-overflow-style:none;scrollbar-width:none}.app-intro::-webkit-scrollbar{display:none}.page-title{display:flex;justify-content:center}.app-notice{display:flex;justify-content:center;align-items:center;width:100%;margin-bottom:20px}.app-notice ul{margin-left:20px;padding-right:20px}.app-notice ul li{margin:20px 0;list-style:circle;font-size:1.3rem;word-break:keep-all}.start-button-container{display:flex;gap:20px}.start-button{display:flex;justify-content:center;align-items:center;padding:20px;font-size:1.3rem;font-weight:700;background:#fff;border-radius:20px;border:3px solid var(--site-color-1)}.start-button:hover{background:var(--site-color-1)}.app-container{z-index:3;position:absolute;left:0;top:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:flex-start;align-items:center;background:0 0;overflow-y:scroll;-ms-overflow-style:none;scrollbar-width:none}.app-container::-webkit-scrollbar{display:none}.quiz-info{display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%}.quiz-info .score-container{display:flex;justify-content:center;align-items:center;width:100%;position:relative}.score-text{color:#fff;font-size:1.5rem;letter-spacing:1px;font-weight:700;padding:15px 50px}.combo-text{position:absolute;top:50%;right:10px;transform:translateY(-50%);color:#fff;font-size:22px;padding:10px;border-radius:20px;opacity:0}.combo-text.answer,.combo-text.bonus{animation:combo var(--correct-delay)}@keyframes combo{0%{opacity:1;transform:translateY(-50%) scale(0)}20%{opacity:1;transform:translateY(-50%) scale(1.2)}100%{opacity:1;transform:translateY(-50%) scale(1)}}.timer-wrapper{display:flex;justify-content:center;align-items:center;width:90%;height:20px;border-radius:15px;box-shadow:0 0 3px rgba(0,0,0,.2);background:#fff;overflow:hidden}.timer-container{position:relative;width:95%;height:90%}.timer-bar{position:absolute;top:50%;left:0;height:70%;transform:translateY(-50%);width:100%;border-radius:15px;box-shadow:inset 0 0 8px rgba(0,0,0,.2);background:var(--timer-color)}.timer-bar.start{animation:timerStart var(--quiz-time) linear forwards}@keyframes timerStart{to{width:0}}.timer-bar.low-time{background:var(--low-time-color)}.quiz-question{display:flex;justify-content:center;align-items:center;padding:20px;font-size:2rem;gap:10px}.quiz-question .number,.quiz-question .number-answer,.quiz-question .remainder{display:flex;justify-content:center;align-items:center;padding:10px;width:3.5rem;height:3.5rem;font-weight:700;border-radius:5px;background:#fff;box-shadow:0 0 2px rgba(0,0,0,.2)}.quiz-question .number-answer.selected,.quiz-question .number.selected{color:#fff;text-shadow:1px 1px #000,2px 2px #000;animation:.2s heartbeatSelect}@keyframes heartbeatSelect{50%{transform:scale(1.1)}}.quiz-question .number-answer.not-selected,.quiz-question .number.not-selected{animation:.2s heartbeatAgain}@keyframes heartbeatAgain{50%{transform:scale(1.1)}}.equals,.quiz-question .operator{display:flex;justify-content:center;align-items:center;width:2.2rem;height:2.2rem;color:#fff}.quiz-content{display:flex;flex-direction:column;justify-content:center;align-items:center;flex:1;width:100%;overflow:hidden}.item-container{position:relative;width:var(--item-container-width);height:var(--item-container-height)}.item{position:absolute;width:var(--item-size);height:var(--item-size);font-size:calc(var(--item-size) / 2);color:#fff;font-weight:700;text-shadow:1px 1px #000,2px 2px #000;border-radius:5px;display:flex;justify-content:center;align-items:center;transition:top .2s cubic-bezier(.17, .67, .48, 1.26);box-shadow:0 0 2px rgba(0,0,0,.2)}.item.click{background:#fff;color:#000;border:5px solid var(--wrong-color);text-shadow:none}.item.wrong{background:#fff;color:#000;text-shadow:none;border:3px solid var(--wrong-color);animation:wrongShake var(--incorrect-delay)}@keyframes wrongShake{10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(2px,0,0)}30%,50%,70%{transform:translate3d(-3px,0,0)}40%,60%{transform:translate3d(3px,0,0)}}.number-answer[data-color="1"],.number[data-color="1"],.square[data-color="1"],[data-color="1"]{background:#f4102a}.number-answer[data-color="2"],.number[data-color="2"],.square[data-color="2"],[data-color="2"]{background:#ffa000}.number-answer[data-color="3"],.number[data-color="3"],.square[data-color="3"],[data-color="3"]{background:#fff700}.number-answer[data-color="4"],.number[data-color="4"],.square[data-color="4"],[data-color="4"]{background:#99ff40}.number-answer[data-color="5"],.number[data-color="5"],.square[data-color="5"],[data-color="5"]{background:#00ee6f}.number-answer[data-color="6"],.number[data-color="6"],.square[data-color="6"],[data-color="6"]{background:#10ebff}.number-answer[data-color="7"],.number[data-color="7"],.square[data-color="7"],[data-color="7"]{background:#1a55f6}.number-answer[data-color="8"],.number[data-color="8"],.square[data-color="8"],[data-color="8"]{background:#8225f4}.number-answer[data-color="9"],.number[data-color="9"],.square[data-color="9"],[data-color="9"]{background:#d000ff}.number-answer[data-color="0"],.number[data-color="0"],[data-color="0"]{background:#ff0e9b}.square[data-color=selected]{background:#ffff0c}.number[data-color=first],.square[data-color=first]{background:#ff0}.number[data-color=second],.square[data-color=second]{background:#ffa600}.number-answers{display:flex;justify-content:center;align-items:center;gap:3px}.square-wrapper{display:flex;flex-direction:column;justify-content:center;align-items:center;overflow:hidden;width:100%;margin-bottom:15px}.square-container{display:grid;justify-content:flex-start;gap:var(--grid-gap);grid-template-rows:repeat(10,var(--square-size));grid-template-columns:repeat(10,var(--square-size))}.square{width:var(--square-size);height:var(--square-size);background:#fff;border-radius:5px;box-shadow:0 0 2px rgba(0,0,0,.2);transition:background-color .15s}.number-option-container{display:grid;grid-template-rows:repeat(2,auto);grid-template-columns:repeat(5,auto);gap:var(--grid-gap)}#delete-button{width:calc(var(--number-option-size) * 5 + var(--grid-gap) * 4);height:var(--number-option-size);margin-top:var(--grid-gap);font-size:calc(var(--number-option-size) / 2.5);background:var(--low-time-color)}.number-option{width:var(--number-option-size);height:var(--number-option-size);display:flex;justify-content:center;align-items:center;border-radius:5px;font-size:calc(var(--number-option-size) / 2);color:#fff;font-weight:700;text-shadow:1px 1px #000,2px 2px #000;box-shadow:0 0 2px rgba(0,0,0,.2)}.addition .square-container,.number-quiz .square-container,.subtraction .square-container{grid-template-columns:repeat(5,var(--square-size));grid-template-rows:repeat(auto,var(--square-size))}.number-answer.selected.wrong{background:#fff;color:#000;text-shadow:none;border:3px solid var(--wrong-color);animation:wrongNumberShake var(--incorrect-delay)}@keyframes wrongNumberShake{10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(2px,0,0)}30%,50%,70%{transform:translate3d(-3px,0,0)}40%,60%{transform:translate3d(3px,0,0)}}.division-question{display:none!important}.division-question.show{display:flex!important}.mixed-calculation .quiz-question{margin-top:15px;gap:5px}.mixed-calculation .operator{width:2rem;height:2rem}.bracket{color:#fff;display:none}.bracket[data-show=true]{display:flex}@media screen and (max-width:450px){.app-notice ul li{margin:10px 0;font-size:20px}.quiz-question{padding:15px 10px;font-size:1.7rem;gap:3px}.quiz-question .number,.quiz-question .number-answer,.quiz-question .remainder{width:2.7rem;height:2.7rem}.equals,.quiz-question .operator{width:2rem;height:2rem}.mixed-calculation .quiz-question{padding:5px;gap:1px}.mixed-calculation .equals,.mixed-calculation .operator{width:1.7rem;height:1.7rem}.number-option-container{padding-bottom:10px}}[data-name=mojs-shape]{z-index:100!important;pointer-events:none}.timer-text{color:#fff;font-size:1.5rem;font-weight:700;padding:15px 50px;letter-spacing:1px}.count-text{position:absolute;right:10px;top:50%;transform:translateY(-50%);color:#ff0;font-size:1.3rem;font-weight:700}.quiz-content{justify-content:flex-start}#question-display{background:#fff;color:#1a1a2e;border-radius:16px;padding:22px 44px;font-size:2.8rem;font-weight:700;letter-spacing:4px;min-width:200px;text-align:center;box-shadow:0 8px 28px rgba(0,0,0,.3),0 0 0 3px rgba(37,186,255,.55),0 0 18px rgba(37,186,255,.15)}#answer-input{width:calc(var(--number-option-size) * 5 + var(--grid-gap) * 4);min-height:calc(var(--number-option-size) * 1.5);background:#0d1f33;border-radius:10px;font-size:calc(var(--number-option-size) * .72);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:flex-end;padding:8px 18px;margin-bottom:20px;border:2px solid rgba(37,186,255,.25);letter-spacing:3px;transition:border-color .15s,color .15s}#answer-input.correct{border-color:#34c759;color:#34c759}#answer-input.wrong{border-color:var(--wrong-color);color:var(--wrong-color);animation:wrongNumberShake var(--incorrect-delay)}.calc-bottom-row{display:flex;gap:var(--grid-gap);width:calc(var(--number-option-size) * 5 + var(--grid-gap) * 4);margin-top:var(--grid-gap);margin-bottom:22px}#decimal-point{width:100%;height:var(--number-option-size);background:#4a6a8a;color:#fff;font-size:calc(var(--number-option-size) / 1.8);font-weight:700;text-shadow:none;border-radius:5px;display:flex;justify-content:center;align-items:center;cursor:pointer;box-shadow:0 0 2px rgba(0,0,0,.2);transition:opacity .1s,transform .1s}#check-answer-button:active,#decimal-point:active,#delete-button:active{opacity:.8;transform:scale(.95)}#delete-button{width:100%;height:var(--number-option-size);margin:0;color:#fff;font-size:calc(var(--number-option-size) / 2.5);font-weight:700;text-shadow:1px 1px #000;background:var(--low-time-color);border-radius:5px;box-shadow:0 0 2px rgba(0,0,0,.2);cursor:pointer;transition:opacity .1s,transform .1s}#check-answer-button{width:100%;height:var(--number-option-size);color:#fff;font-size:calc(var(--number-option-size) / 2.5);font-weight:700;text-shadow:1px 1px #000;background:var(--selected-color);border-radius:5px;box-shadow:0 0 2px rgba(0,0,0,.2);cursor:pointer;transition:opacity .1s,transform .1s}@media screen and (max-width:450px){#question-display{font-size:2.2rem;padding:15px 20px;letter-spacing:2px}.timer-text{font-size:1.3rem;padding:12px 30px}.count-text{font-size:1.1rem}}.division-advanced #decimal-point,.division-intermediate #decimal-point{display:none}.division-advanced .answer-row,.division-intermediate .answer-row{display:flex;align-items:center;gap:8px;width:calc(var(--number-option-size) * 5 + var(--grid-gap) * 4);margin-bottom:20px}.division-advanced .answer-half-input,.division-intermediate .answer-half-input{flex:1;min-height:calc(var(--number-option-size) * 1.5);background:#0d1f33;border-radius:10px;font-size:calc(var(--number-option-size) * .65);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:flex-end;padding:8px 12px;border:2px solid rgba(37,186,255,.25);letter-spacing:2px;transition:border-color .15s,color .15s}.division-advanced .answer-half-input.active,.division-intermediate .answer-half-input.active{border-color:#ff0}.division-advanced .answer-half-input.correct,.division-intermediate .answer-half-input.correct{border-color:#34c759;color:#34c759}.division-advanced .answer-half-input.wrong,.division-intermediate .answer-half-input.wrong{border-color:var(--wrong-color);color:var(--wrong-color);animation:wrongNumberShake var(--incorrect-delay)}.division-advanced .answer-dots,.division-intermediate .answer-dots{color:#ccc;font-size:1rem;font-weight:700;flex-shrink:0}.confetti-wrapper{z-index:7;position:fixed;left:0;top:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;background:0 0;pointer-events:none;visibility:hidden;opacity:0}.confetti-wrapper.active{visibility:visible;opacity:1}.confetti-container{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none}#app-result{position:absolute;top:0;left:0;width:100%;height:100%;z-index:4;display:none;justify-content:center;align-items:center;background:var(--background-color)}#app-result.show{display:flex}#result-box{display:flex;flex-direction:column;align-items:center;gap:20px;width:90%;max-width:400px}#result-title{font-size:2.2rem;font-weight:700;color:#fff;text-align:center}#result-title[data-type=high]{color:#ffd93d;text-shadow:0 0 12px #ffd93d88}#result-title[data-type=normal]{color:#fff}#result-rows{display:flex;flex-direction:column;gap:10px;width:100%}.result-row{display:flex;justify-content:space-between;align-items:center;background:#fff;border-radius:10px;padding:12px 16px;color:#000;font-size:24px}.result-row .result-info-wrap,.result-row span:last-child{font-weight:700;color:#34a7ff}.result-info-wrap{display:flex;align-items:center;gap:6px}#result-buttons{display:flex;gap:12px}#retry-button,.item-link{padding:14px 20px;background:var(--site-color-1);border-radius:12px;font-size:22px;min-width:150px;font-weight:700;color:#333!important;cursor:pointer}#retry-button:hover,.item-link:hover{opacity:.85}@media screen and (max-width:880px){.result-row{font-size:20px}}