button,.custom-button{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;-khtml-user-select:none;-webkit-tap-highlight-color:transparent}.custom-button{color:#121a21;cursor:pointer;-webkit-user-select:none;user-select:none;border:3px solid #121a21;justify-content:center;align-items:center;gap:12px;width:fit-content;height:44px;min-height:44px;padding:10px 25px;font-family:Bahnschrift,Arial,sans-serif;font-size:24px;font-weight:700;transition:all .2s;display:inline-flex;box-shadow:3px 3px #121a21}.custom-button .button-icon{object-fit:contain;pointer-events:none;width:18px;height:auto}.custom-button .button-text{pointer-events:none;line-height:1}.custom-button:hover:not(:disabled){transform:translateY(-5px)}.custom-button:active:not(:disabled){transform:translate(2px,2px);box-shadow:2px 2px #121a21}.custom-button:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}@media (width<=575.98px){.custom-button{gap:8px;height:40px;min-height:40px;padding:8px 18px;font-size:20px}.custom-button .button-icon{width:16px}}.splash-screen{z-index:9999;background:#fff;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.splash-logo{text-shadow:.4px 0 #000,-.4px 0 #000,0 .4px #000,0 -.4px #000;-webkit-user-select:none;user-select:none;flex-direction:column;font-family:Bahnschrift,Arial,sans-serif;font-size:72px;font-weight:700;line-height:1;animation:1.4s forwards splashLogo;display:flex;transform:scaleX(.7)}.splash-logo span:nth-child(2){margin-top:-14px}@keyframes splashLogo{0%{opacity:0;transform:scale(.8)scaleX(.7)}35%{opacity:1;transform:scale(1)scaleX(.7)}80%{opacity:1;transform:scale(1)scaleX(.7)}to{opacity:0;transform:scale(1.05)scaleX(.7)}}.fade-in{animation:.5s pageFade}@keyframes pageFade{0%{opacity:0}to{opacity:1}}.home-page{width:100%;min-height:100vh;font-family:Bahnschrift,Arial,sans-serif;display:flex}.home-banner{background-image:url(/assets/bg-1-B0w9zrly.png);background-position:50%;background-repeat:no-repeat;background-size:cover;width:50%;min-height:100vh}.home-content{flex-direction:column;width:50%;min-height:100vh;padding:60px;display:flex}.home-logo{-webkit-user-select:none;user-select:none;transform-origin:0;text-shadow:.3px 0 #000,-.3px 0 #000,0 .3px #000,0 -.3px #000;flex-direction:column;width:fit-content;font-size:40px;font-weight:700;line-height:1.05;display:flex;transform:scaleX(.7)}.home-logo-part:nth-child(2){margin-top:-8px}.home-main{flex-direction:column;flex:1;justify-content:center;display:flex}.home-content h1{transform-origin:0;margin-bottom:8px;font-size:48px;font-stretch:75%}.home-content p{text-align:justify;max-width:520px;margin-bottom:2rem;font-size:16px;font-weight:600;line-height:1.5}.home-footer{letter-spacing:.5px;-webkit-user-select:none;user-select:none;align-self:flex-end;margin-top:20px;font-size:14px;font-weight:600}@media (width<=575.98px){.home-page{flex-direction:column;min-height:auto}.home-banner{background-position:50%;background-size:cover;width:100%;height:25vh;min-height:180px}.home-content{box-sizing:border-box;flex:none;width:100%;min-height:auto;padding:24px}.home-main{flex:none;padding-top:40px}.home-content h1{font-size:40px}.home-content p{text-align:justify;width:100%;max-width:100%;margin-bottom:1.5rem;font-size:16px;line-height:1.65}.home-footer{letter-spacing:.3px;align-self:flex-start;margin-top:30px}}@media (width>=576px) and (width<=767.98px){.home-page{flex-direction:column;min-height:100vh}.home-banner{background-position:50%;background-size:cover;width:100%;height:42vh;min-height:260px}.home-content{box-sizing:border-box;width:100%;min-height:58vh;padding:28px 40px}.home-logo{font-size:34px}.home-main{justify-content:center;padding:30px 0}.home-content h1{margin-bottom:1rem;font-size:2.3rem}.home-content p{width:100%;max-width:650px;margin-bottom:1.8rem;font-size:1rem;line-height:1.7}.home-footer{align-self:flex-end;margin-top:auto;font-size:.9rem}}@media (width>=768px) and (width<=991.98px){.home-page{flex-direction:row}.home-banner{background-position:50%;background-size:cover;width:45%;min-height:100vh}.home-content{width:55%;min-height:100vh;padding:28px 40px}.home-logo{font-size:34px}.home-main{justify-content:center}.home-content h1{margin-bottom:1rem;font-size:2.4rem}.home-content p{width:100%;max-width:500px;margin-bottom:1.8rem;font-size:1rem;line-height:1.7}.home-footer{font-size:.95rem}}.edu-card{cursor:pointer;background:#fff;justify-content:center;align-items:center;width:440px;height:330px;margin:10px;transition:transform .7s,box-shadow .2s;display:flex;position:absolute}.edu-card.compare-mode{transition:none}.edu-card img{object-fit:fill;pointer-events:none;width:100%;height:100%}.edu-card-left{transform:translate(-250px)}.edu-card-right{transform:translate(250px)}.edu-card-merge.edu-card-left,.edu-card-merge.edu-card-right{transform:translate(0)}.edu-card-selected{box-shadow:3px 3px #161515}.edu-card-status-icon{border-radius:50%;justify-content:center;align-items:center;width:46px;height:46px;display:flex;position:absolute;bottom:-23px}.edu-card-status-icon img{width:24px;height:24px}@media (width<=575.98px){.edu-card{aspect-ratio:4/3;width:280px;height:auto;margin:0;position:absolute}.edu-card-left{transform:translateY(-120px)}.edu-card-right{transform:translateY(120px)}.edu-card-merge.edu-card-left,.edu-card-merge.edu-card-right{transform:translateY(0)}}@media (width>=576px) and (width<=767.98px){.edu-card{width:240px;height:180px;margin:8px}.edu-card-left{transform:translate(-145px)}.edu-card-right{transform:translate(145px)}.edu-card-status-icon{width:38px;height:38px;bottom:-16px;right:-19px}.edu-card-status-icon img{width:20px;height:20px}}@media (width>=768px) and (width<=991.98px){.edu-card{width:280px;height:210px}.edu-card-left{transform:translate(-175px)}.edu-card-right{transform:translate(175px)}.edu-card-status-icon{width:42px;height:42px;bottom:-18px;right:-22px}.edu-card-status-icon img{width:22px;height:22px}}.quiz-page{box-sizing:border-box;background-color:#535c66;justify-content:center;align-items:center;width:100%;min-height:100dvh;font-family:Bahnschrift,Arial,sans-serif;display:flex;overflow-y:auto}.quiz-container{box-sizing:border-box;flex-direction:column;justify-content:flex-start;align-items:center;width:100%;min-height:100vh;padding:32px;display:flex;position:relative}.quiz-loading{flex-direction:column;justify-content:center;align-items:center;gap:20px;width:100%;min-height:100vh;font-family:Bahnschrift,Arial,sans-serif;display:flex}.quiz-loading .loading-spinner{border:5px solid #0000001f;border-top-color:#000;border-radius:50%;width:52px;height:52px;animation:.8s linear infinite loading-spin}.quiz-loading p{text-align:center;margin:0;font-size:18px;font-weight:500}@keyframes loading-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.quiz-message{text-align:center;justify-content:center;align-items:center;width:100%;min-height:100vh;font-family:Bahnschrift,Arial,sans-serif;display:flex}.quiz-message h2{color:#fff;margin:0;font-size:24px}.question-text{color:#fff;text-align:center;font-size:24px}.card-container{justify-content:center;align-items:center;width:100%;height:400px;display:flex;position:relative}.question-info{color:#fff;justify-content:center;align-items:center;gap:12px;font-size:24px;font-weight:600;display:flex}.question-progress-bar{box-sizing:border-box;background-color:#fff;border:5px solid #fff;width:100%;max-width:516px;height:40px;margin-top:12px;position:relative;overflow:hidden}.question-progress-fill{background-color:#53eacd;height:100%;transition:width .3s}.question-theory{color:#fff;background-color:#ffffff26;border-radius:8px;width:100%;max-width:600px;padding:12px 20px;font-size:16px;line-height:1.5}.question-theory p{white-space:pre-wrap;word-break:break-word;margin:0}.action-buttons{justify-content:center;align-items:center;gap:180px;margin-top:24px;display:flex}.quiz-share-button{z-index:1000;color:#121a21;cursor:pointer;-webkit-user-select:none;user-select:none;background-color:#fff;border:3px solid #121a21;justify-content:center;align-items:center;width:40px;height:40px;padding:0;transition:all .2s;display:flex;position:fixed;top:20px;right:20px;box-shadow:3px 3px #121a21}.quiz-share-button img{object-fit:contain;width:20px;height:20px}.quiz-share-button:hover{transform:translate(-1px,-1px);box-shadow:4px 4px #121a21}.quiz-share-button:active:not(:disabled){transform:translate(2px,2px);box-shadow:2px 2px #121a21}.quiz-share-button:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.quiz-share-preview{box-sizing:border-box;color:#fff;background-color:#55606b;width:1000px;min-height:700px;padding:40px;font-family:inherit;position:fixed;top:0;left:-99999px}.quiz-share-title{text-align:center;margin:0 0 40px;font-size:32px;font-weight:700;line-height:1.3}.quiz-share-cards{grid-template-columns:repeat(2,1fr);gap:30px;width:100%;display:grid}.quiz-share-card{aspect-ratio:1.6;background-color:#fff;border:3px solid #121a21;width:100%;position:relative;overflow:hidden}.quiz-share-card img{object-fit:contain;width:100%;height:100%;display:block}.quiz-share-card-number{color:#121a21;background-color:#fff;border:3px solid #121a21;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:700;display:flex;position:absolute;top:12px;left:12px;box-shadow:3px 3px #121a21}.quiz-share-footer{justify-content:center;gap:20px;margin-top:30px;font-size:24px;font-weight:700;display:flex}@media (width<=575.98px){.quiz-page{box-sizing:border-box;width:100%;height:auto;min-height:100dvh;overflow-y:auto}.quiz-container{box-sizing:border-box;width:100%;min-height:100vh;padding:24px}.question-text{text-align:center;width:100%;max-width:100%;margin:0;font-size:16px;line-height:1.45}.card-container{justify-content:center;align-items:center;width:100%;height:440px;margin:20px 0;display:flex;position:relative}.card-container.has-selected{margin:12px 0;height:220px!important}.question-theory{margin-top:12px}.action-buttons{margin-top:16px}.question-info{justify-content:center;align-items:center;gap:8px;width:100%;font-size:16px;display:flex}.question-progress-bar{border-width:4px;width:100%;max-width:100%;height:30px;margin-top:10px}.action-buttons{justify-content:space-between;align-items:center;gap:16px;width:100%;margin-top:20px;display:flex}}@media (width>=576px) and (width<=767.98px){.quiz-page{padding:0 24px}.quiz-container{width:100%;min-height:520px;padding:28px 16px}.question-text{width:100%;max-width:600px;font-size:20px;line-height:1.45}.card-container{width:100%;height:250px}.question-info{gap:8px;font-size:20px}.question-progress-bar{border-width:4px;width:100%;max-width:480px;height:32px;margin-top:10px}.action-buttons{gap:60px;width:100%;margin-top:20px}}@media (width>=768px) and (width<=991.98px){.quiz-page{padding:0 40px}.quiz-container{width:100%;min-height:560px;padding:32px 24px}.question-text{max-width:700px;font-size:22px;line-height:1.4}.card-container{width:100%;height:280px}.question-info{gap:10px;font-size:22px}.question-progress-bar{width:100%;max-width:516px;height:36px;margin-top:12px}.action-buttons{gap:100px;margin-top:24px}}.quiz-result-page{box-sizing:border-box;justify-content:center;align-items:center;width:100%;min-height:100vh;font-family:Bahnschrift,Arial,sans-serif;display:flex}.quiz-result-container{box-sizing:border-box;background-color:#fff;flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:100vh;padding:40px;display:flex}.report-icon{justify-content:center;align-items:center;margin-bottom:10px;display:flex}.star-circle{background-color:#53eacd;border-radius:50%;justify-content:center;align-items:center;width:85px;height:85px;display:flex}.star-left{width:20px;height:auto}.star-center{width:65px;height:auto}.star-right{width:25px;height:auto}.star-shifted{transform:translateY(20px)}.report-title{text-align:center;margin:10px 0 0;font-size:25px;line-height:1.4}.report-stats{justify-content:center;align-items:center;gap:40px;margin:40px 0;display:flex}.stat-block{text-align:center;min-width:150px}.stat-label{font-size:14px}.stat-value{font-size:40px}.review-answers{text-align:center;box-sizing:border-box;background-color:#eee;width:100%;max-width:900px;margin:0 auto;padding:28px 120px}.review-answers p{margin:0 0 12px;font-size:20px;font-weight:600;line-height:1.6}.review-answers button{margin-top:16px}.report-buttons{justify-content:center;align-items:center;gap:25px;margin-top:40px;display:flex}@media (width<=575.98px){.quiz-result-page{box-sizing:border-box;width:100%;min-height:100dvh;padding:0;overflow-y:auto}.quiz-result-container{box-sizing:border-box;width:100%;height:auto;min-height:100dvh;padding:24px 16px}.report-icon{margin-bottom:6px}.star-circle{width:65px;height:65px}.star-left{width:15px}.star-center{width:50px}.star-right{width:19px}.star-shifted{transform:translateY(14px)}.report-title{margin:8px 0 0;font-size:19px;line-height:1.4}.report-stats{justify-content:center;align-items:center;gap:10px;width:100%;margin:24px 0;display:flex}.stat-block{text-align:center;flex:1;min-width:0}.stat-label{font-size:11px;line-height:1.4}.stat-value{font-size:30px;line-height:1.2}.review-answers{box-sizing:border-box;width:100%;max-width:100%;margin:0;padding:20px 16px}.review-answers p{margin:0 0 10px;font-size:16px;line-height:1.5}.review-answers button{margin-top:14px}.report-buttons{justify-content:center;align-items:center;gap:12px;width:100%;display:flex}.report-buttons>*{min-width:0}}@media (width>=576px) and (width<=767.98px){.quiz-result-container{padding:28px 24px}.star-circle{width:72px;height:72px}.star-left{width:17px}.star-center{width:55px}.star-right{width:21px}.star-shifted{transform:translateY(16px)}.report-title{margin-top:8px;font-size:21px;line-height:1.4}.report-stats{gap:20px;width:100%;margin:28px 0}.stat-block{min-width:110px}.stat-label{font-size:12px}.stat-value{font-size:32px}.review-answers{width:100%;max-width:600px;padding:22px 30px}.review-answers p{font-size:17px;line-height:1.55}.report-buttons{gap:16px;width:100%;margin-top:28px}}@media (width>=768px) and (width<=991.98px){.quiz-result-container{padding:32px 40px}.star-circle{width:78px;height:78px}.star-left{width:18px}.star-center{width:60px}.star-right{width:23px}.report-title{font-size:23px;line-height:1.4}.report-stats{gap:30px;margin:32px 0}.stat-block{min-width:130px}.stat-label{font-size:13px}.stat-value{font-size:36px}.review-answers{width:100%;max-width:750px;padding:24px 60px}.review-answers p{font-size:18px;line-height:1.55}.report-buttons{gap:20px;margin-top:32px}}.review-page{box-sizing:border-box;background-color:#535c66;justify-content:center;align-items:center;width:100%;min-height:100vh;padding:40px;font-family:Bahnschrift,Arial,sans-serif;display:flex;position:relative}.review-loading{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;width:100%;min-height:100vh;font-family:Bahnschrift,Arial,sans-serif;display:flex}.review-loading p{margin:0;font-size:18px;font-weight:600}.loading-spinner{border:5px solid #eaeaea;border-top-color:#000;border-radius:50%;width:48px;height:48px;animation:.8s linear infinite review-spinner}@keyframes review-spinner{to{transform:rotate(360deg)}}.review-message{text-align:center;justify-content:center;align-items:center;width:100%;font-family:Bahnschrift,Arial,sans-serif;display:flex}.review-message h2{color:#fff;margin:0;font-size:24px}.review-status-page{text-align:center;box-sizing:border-box;justify-content:center;align-items:center;width:100%;min-height:100vh;padding:24px;font-family:Bahnschrift,Arial,sans-serif;display:flex}.review-status-page h2{margin:0;font-size:24px}.review-close-button{color:#121a21;cursor:pointer;z-index:10;-webkit-user-select:none;user-select:none;background-color:#fff;border:3px solid #121a21;justify-content:center;align-items:center;width:40px;height:40px;padding:0;font-family:Bahnschrift,Arial,sans-serif;font-size:48px;font-weight:300;line-height:1;transition:all .2s;display:flex;position:absolute;top:-20px;right:-20px;box-shadow:3px 3px #121a21}.review-close-button:active:not(:disabled){transform:translate(2px,2px);box-shadow:2px 2px #121a21}.review-close-button:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.review-container{box-sizing:border-box;background-color:#eaeaea;flex-direction:column;gap:16px;width:min(100%,900px);padding:16px;display:flex;position:relative}.review-main{flex-direction:column;gap:16px;min-width:0;display:flex}.review-question-navigation{background-color:#fff;padding:16px}.review-question-header{justify-content:space-between;align-items:center;margin-bottom:18px;display:flex}.review-question-header h2{margin:0;font-size:20px;font-weight:700}.review-question-count{color:#fff;box-sizing:border-box;background-color:#161515;justify-content:center;align-items:center;width:56px;padding:6px 12px;font-size:14px;font-weight:400;display:flex}.review-question-buttons{align-items:center;gap:16px;padding-bottom:6px;display:flex;overflow-x:auto}.review-question-button,.review-arrow-button{color:#121a21;cursor:pointer;-webkit-user-select:none;user-select:none;border:3px solid #121a21;flex:none;justify-content:center;align-items:center;width:40px;height:40px;padding:0;font-family:Bahnschrift,Arial,sans-serif;font-size:20px;font-weight:700;transition:all .2s;display:inline-flex;box-shadow:3px 3px #121a21}.review-question-button:active:not(:disabled),.review-arrow-button:active:not(:disabled){transform:translate(2px,2px);box-shadow:2px 2px #121a21}.review-question-button:disabled,.review-arrow-button:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.review-question-button.is-correct{background-color:#53eacd}.review-question-button.is-wrong{background-color:#f95d5d}.review-question-button.is-active{box-shadow:none;background-color:#fff}.review-arrow-button{background-color:#fff;font-size:24px;line-height:1}.review-arrow-button img{object-fit:contain;width:18px;height:18px}.review-question-content{background-color:#fff;padding:20px}.review-question-content h1{margin:0 0 14px;font-size:24px;line-height:1.2}.review-question-title-row{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.review-question-title-row h1{margin:0}.review-question-title-row button.review-swap-button{color:#121a21;cursor:pointer;-webkit-user-select:none;user-select:none;background-color:#fff;border:3px solid #121a21;justify-content:center;align-items:center;width:40px;height:40px;padding:0;transition:all .2s;display:none;box-shadow:3px 3px #121a21}.review-question-title-row button.review-swap-button img{object-fit:contain;width:20px;height:20px}.review-question-title-row button.review-swap-button:active:not(:disabled){transform:translate(2px,2px);box-shadow:2px 2px #121a21}.review-question-title-row button.review-swap-button:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.review-answer-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;display:grid}.review-answer-card{aspect-ratio:1.55;background-color:#fff;border:2px solid #eaeaea;min-width:0;position:relative;overflow:visible}.review-answer-card>img{object-fit:contain;width:100%;height:100%;display:block}.review-answer-card.is-wrong{border-color:#f95d5d}.review-answer-card.is-correct{border-color:#53eacd}.review-answer-status{color:#1d252c;z-index:2;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;font-size:20px;font-weight:700;display:flex;position:absolute;bottom:-15px;right:-15px}.review-answer-status.is-correct{background-color:#53eacd}.review-answer-status.is-wrong{background-color:#f95d5d}.review-answer-status img{object-fit:contain;width:14px;height:14px;display:block}.review-theory{background-color:#ececec;margin-top:20px;padding:16px}.review-theory p{white-space:pre-wrap;word-break:break-word;margin:0;font-size:14px;line-height:1.5}.review-footer{box-sizing:border-box;background-color:#fff;border-top:2px solid #121a21;grid-column:1/-1;justify-content:flex-end;align-items:center;gap:18px;width:calc(100% + 32px);min-height:80px;margin-bottom:-16px;margin-left:-16px;margin-right:-16px;padding:12px 16px;display:flex}.mobile-review-title,.review-compare-wrapper{display:none}@media (width<=575.98px){.review-page{background-color:#e3e3e3;align-items:flex-start;padding:0}.mobile-review-title{text-align:left;color:#121a21;margin:12px 20px 0;font-size:22px;font-weight:700;display:block}.review-close-button{display:none}.review-container{width:100%;max-width:100%;box-shadow:none;background-color:#e3e3e3;gap:16px;padding:12px}.review-main{gap:12px}.review-question-navigation{padding:20px}.review-question-header{margin-bottom:12px}.review-question-header h2{font-size:18px}.review-question-count{width:auto;padding:4px 8px;font-size:12px}.review-question-buttons{gap:10px;padding-bottom:2px}.review-question-button{width:36px;height:36px;font-size:16px}.review-question-content{padding:20px}.review-question-content .review-question-title-row{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.review-question-content .review-question-title-row h1{margin:0;font-size:20px;line-height:1}.review-question-content .review-question-title-row button.review-swap-button{display:flex}.review-answer-list{aspect-ratio:4/3;justify-content:center;align-items:center;width:280px;max-width:100%;height:210px;margin:16px auto;display:flex;position:relative}.review-answer-list .review-answer-card{width:100%;height:100%;transition:opacity .15s ease-in-out;position:absolute;top:0;left:0;transform:none!important}.review-answer-list .review-answer-card>img{object-fit:contain;width:100%;height:100%}.review-answer-list .review-answer-card.is-target-correct{z-index:1;opacity:1}.review-answer-list .review-answer-card.is-user-selected{z-index:2;opacity:1}.review-answer-list.is-comparing .review-answer-card.is-user-selected{opacity:0;pointer-events:none}.review-compare-wrapper{justify-content:center;align-items:center;width:100%;margin-top:20px;margin-bottom:20px;display:flex}.review-theory{background-color:#e0e0e0;margin-top:14px;padding:12px}.review-theory p{color:#333;font-size:13px;line-height:1.5}.review-container{padding-bottom:90px}.review-footer{z-index:99;width:100%;min-height:60px;padding:12px 16px;padding-bottom:max(12px, env(safe-area-inset-bottom));background-color:#fff;border:none;justify-content:space-between;align-items:center;gap:12px;margin:0;display:flex;position:fixed;bottom:0;left:0;right:0}.review-footer button{flex:1;width:100%}}@media (width>=576px) and (width<=767.98px){.review-page{align-items:flex-start;padding:24px}.review-container{flex-direction:column;gap:12px;width:100%;max-width:650px;padding:12px;display:flex}.review-close-button{width:36px;height:36px;font-size:40px;top:-12px;right:-12px}.review-main{gap:12px}.review-question-navigation{padding:14px}.review-question-header{margin-bottom:14px}.review-question-header h2{font-size:18px}.review-question-buttons{scrollbar-width:thin;gap:12px;overflow-x:auto}.review-question-button,.review-arrow-button{width:38px;height:38px;font-size:18px}.review-question-content{padding:14px}.review-question-content h1{margin-bottom:12px;font-size:21px;line-height:1.3}.review-answer-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.review-theory{margin-top:12px;padding:14px}.review-theory p{font-size:13px;line-height:1.5}.review-footer{gap:12px;width:calc(100% + 24px);min-height:70px;margin-bottom:-12px;margin-left:-12px;margin-right:-12px;padding:10px 14px}}@media (width>=768px) and (width<=991.98px){.review-page{padding:32px}.review-container{gap:12px;width:100%;max-width:850px;padding:12px}.review-close-button{width:36px;height:36px;font-size:42px;top:-16px;right:-16px;box-shadow:3px 3px #121a21}.review-main{gap:12px}.review-question-navigation{padding:14px}.review-question-header{margin-bottom:14px}.review-question-header h2{font-size:18px}.review-question-buttons{gap:12px}.review-question-button,.review-arrow-button{width:38px;height:38px;font-size:18px}.review-question-content{padding:14px}.review-question-content h1{margin-bottom:12px;font-size:21px;line-height:1.3}.review-answer-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.review-theory{margin-top:12px;padding:14px}.review-theory p{font-size:13px;line-height:1.5}.review-footer{gap:14px;width:calc(100% + 24px);min-height:70px;margin-bottom:-12px;margin-left:-12px;margin-right:-12px;padding:10px 14px}}.admin-login{background:#f3f3f3;justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.admin-login-card{background:#fff;border:1px solid #e6e6e6;border-radius:18px;width:100%;max-width:420px;padding:40px;box-shadow:0 15px 40px #0000000f}.admin-login-heading{flex-direction:column;margin-bottom:30px;font-size:24px;font-weight:800;line-height:.9;display:flex}.admin-login-card h1{margin:0 0 8px;font-size:28px}.admin-login-card p{color:#777;margin:0 0 28px}.admin-login-card label{flex-direction:column;gap:8px;margin-bottom:18px;font-size:14px;font-weight:600;display:flex}.admin-login-card input{box-sizing:border-box;border:1px solid #ddd;border-radius:10px;outline:none;width:100%;padding:12px 14px;font-size:14px}.admin-login-card input:focus{border-color:#111}.admin-login-card button{color:#fff;cursor:pointer;background:#111;border:0;border-radius:10px;width:100%;padding:13px;font-size:14px;font-weight:600}.admin-login-card button:disabled{opacity:.6;cursor:not-allowed}.admin-login-error{color:#c62828;background:#fff0f0;border-radius:8px;margin-bottom:18px;padding:10px 12px;font-size:13px}.image-uploader{flex-direction:column;gap:10px;display:flex}.image-uploader-label{font-size:14px;font-weight:600}.image-uploader-preview{flex-direction:column;gap:12px;display:flex}.image-uploader-preview img{object-fit:contain;background:#f5f5f5;border:1px solid #ddd;border-radius:10px;width:100%;max-width:360px;max-height:240px;display:block}.image-uploader-actions{gap:8px;display:flex}.image-uploader-actions button,.image-uploader-dropzone{cursor:pointer;font:inherit;background:#fff;border:1px solid #ddd;border-radius:8px;padding:10px 14px}.image-uploader-actions button:hover,.image-uploader-dropzone:hover{border-color:#111}.image-uploader-actions .danger{color:#c62828}.image-uploader-dropzone{border:2px dashed #ccc;justify-content:center;align-items:center;width:100%;min-height:140px;display:flex}.image-uploader-error{color:#c62828;font-size:13px}.admin-question-management{width:100%;min-height:100%}.admin-question-success{z-index:2000;color:#16733d;background:#e7f6ec;border:1px solid #a8dfbd;border-radius:10px;align-items:center;gap:10px;padding:13px 18px;font-size:14px;font-weight:600;display:flex;position:fixed;top:24px;right:24px;box-shadow:0 8px 24px #00000014}.admin-question-success-icon{color:#fff;background:#16733d;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:13px;font-weight:700;display:flex}.admin-question-topbar{justify-content:space-between;align-items:center;gap:24px;margin-bottom:32px;display:flex}.admin-principle-label{letter-spacing:1.5px;opacity:.5;margin-bottom:6px;font-size:12px;font-weight:700;display:block}.admin-question-topbar h1{margin:0;font-size:32px;font-weight:700}.admin-question-add-button{color:#fff;cursor:pointer;background:#111;border:none;border-radius:8px;padding:12px 18px;font-size:14px;font-weight:600}.admin-question-add-button:hover{opacity:.85}.admin-question-add-button:disabled{opacity:.5;cursor:not-allowed}.admin-question-list{flex-direction:column;gap:20px;display:flex}.admin-question-item{background:#fff;border:1px solid #e5e5e5;border-radius:14px;gap:20px;padding:24px;display:flex}.admin-question-number{flex-direction:column;gap:8px;min-width:70px;font-size:18px;font-weight:700;display:flex}.admin-question-level{letter-spacing:.3px;border-radius:7px;width:fit-content;padding:7px 12px;font-size:13px;font-weight:700}.admin-question-level.easy{color:#2e7d32;background:#e8f5e9}.admin-question-level.medium{color:#a15c00;background:#fff4df}.admin-question-level.hard{color:#c62828;background:#fdeaea}.admin-question-content{flex-direction:column;flex:1;gap:20px;display:flex}.admin-question-theory span{color:#111;margin-bottom:10px;font-size:16px;font-weight:700;display:block}.admin-question-theory p{color:#555;white-space:pre-wrap;word-break:break-word;margin:0;font-size:15px;line-height:1.6}.admin-question-images{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;display:grid}.admin-question-images>div{flex-direction:column;gap:10px;display:flex}.admin-question-images span{color:#111;margin-bottom:8px;font-size:16px;font-weight:700;display:block}.admin-question-images img{object-fit:contain;background:#f7f7f7;border:1px solid #e5e5e5;border-radius:10px;width:100%;max-width:500px;height:280px}.admin-image-empty{color:#888;border:1px dashed #ccc;border-radius:10px;justify-content:center;align-items:center;width:100%;max-width:320px;height:180px;display:flex}.admin-question-actions{justify-content:flex-end;gap:10px;display:flex}.admin-question-actions button{cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:7px;padding:9px 16px}.admin-question-actions button:hover{border-color:#111}.admin-question-actions .danger{color:#d32f2f}.admin-question-empty{text-align:center;border:1px dashed #ddd;border-radius:14px;padding:80px 24px}.admin-question-error{color:#c62828;background:#fff0f0;border-radius:8px;margin-bottom:20px;padding:14px}.admin-question-loading{text-align:center;padding:60px}.admin-question-modal-overlay{z-index:1000;background:#00000073;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.admin-question-modal{background:#fff;border-radius:16px;width:100%;max-width:800px;max-height:90vh;overflow-y:auto}.admin-question-modal-header{border-bottom:1px solid #eee;justify-content:space-between;align-items:flex-start;padding:24px;display:flex}.admin-question-modal-header span{opacity:.5;font-size:12px;font-weight:700}.admin-question-modal-header h2{margin:6px 0 0;font-size:24px}.admin-modal-close{cursor:pointer;background:#f3f3f3;border:none;border-radius:50%;width:36px;height:36px;font-size:24px}.admin-question-form{flex-direction:column;gap:24px;padding:24px;display:flex}.admin-question-form label{flex-direction:column;gap:8px;font-size:14px;font-weight:600;display:flex}.admin-principle-group{flex-direction:column;gap:10px;display:flex}.admin-principle-group-label{font-size:14px;font-weight:600}.admin-principle-checkboxes{flex-direction:column;gap:14px;display:flex}.admin-principle-checkbox{cursor:pointer;justify-content:flex-start;align-items:center;gap:10px;margin:0;font-size:14px;font-weight:500;flex-direction:row!important;display:flex!important}.admin-principle-checkbox input{cursor:pointer;flex:none;width:16px;height:16px;margin:0}.admin-principle-checkbox span{line-height:1.4}.admin-question-form select,.admin-question-form textarea{box-sizing:border-box;width:100%;font:inherit;border:1px solid #ddd;border-radius:8px;padding:12px}.admin-question-form textarea{resize:vertical}.admin-question-id{background:#f5f5f5;border-radius:8px;padding:10px 12px;font-family:monospace;font-size:12px}.admin-answer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.admin-answer-field{background:#fff;border:1px solid #e5e5e5;border-radius:14px;min-width:0;padding:24px}.admin-answer-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;display:flex}.admin-answer-header h3{margin:0 0 8px;font-size:16px;font-weight:700}.admin-answer-header p{color:#666;margin:0;font-size:14px;line-height:1.5}.admin-answer-field.correct{border-color:#a8dfbd}.admin-answer-field.correct .admin-answer-badge{color:#16733d;background:#e7f6ec}.admin-answer-field.wrong{border-color:#efc1c1}.admin-answer-field.wrong .admin-answer-badge{color:#c62828;background:#faeaea}.admin-answer-badge{letter-spacing:.3px;border-radius:7px;flex-shrink:0;padding:7px 11px;font-size:11px;font-weight:800}.admin-delete-overlay{z-index:2000;background:#00000073;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.admin-delete-modal{background:#fff;border-radius:14px;width:100%;max-width:420px;padding:28px;box-shadow:0 20px 50px #00000026}.admin-delete-modal h2{margin:0 0 10px;font-size:22px;font-weight:700}.admin-delete-modal p{color:#666;margin:0;font-size:14px;line-height:1.6}.admin-delete-actions{justify-content:flex-end;gap:10px;margin-top:28px;display:flex}.admin-delete-actions button{cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:8px;padding:10px 18px;font-size:14px;font-weight:600}.admin-delete-actions button:hover{border-color:#111}.admin-delete-actions .danger{color:#fff;background:#d32f2f;border-color:#d32f2f}.admin-delete-actions .danger:hover{background:#c62828}.admin-delete-actions button:disabled{opacity:.5;cursor:not-allowed}@media (width<=700px){.admin-answer-grid{grid-template-columns:1fr}}.admin-question-modal-actions{border-top:1px solid #eee;justify-content:flex-end;gap:12px;padding:20px 24px;display:flex}.admin-question-modal-actions button{cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:8px;padding:11px 20px}.admin-question-modal-actions .primary{color:#fff;background:#111;border-color:#111}@media (width<=700px){.admin-question-topbar{flex-direction:column;align-items:flex-start}.admin-question-images,.admin-answer-grid{grid-template-columns:1fr}.admin-question-item{flex-direction:column}}.admin-layout{background:#f4f4f4;min-height:100vh;display:flex}.admin-sidebar{box-sizing:border-box;background:#fff;border-right:1px solid #e5e5e5;flex-direction:column;flex-shrink:0;width:240px;height:100vh;padding:28px 20px;display:flex;position:sticky;top:0}.admin-logo{flex-direction:column;margin-bottom:48px;font-size:24px;font-weight:800;line-height:.9;display:flex}.admin-nav{flex-direction:column;gap:8px;display:flex}.admin-nav a{color:#555;border-radius:10px;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.admin-nav a:hover{background:#f3f3f3}.admin-nav a.active{color:#fff;background:#111}.admin-nav-label{flex:1;min-width:0}.admin-question-count{box-sizing:border-box;color:#333;background:#eee;border-radius:999px;justify-content:center;align-items:center;min-width:26px;height:26px;padding:0 7px;font-size:12px;font-weight:700;line-height:1;display:inline-flex}.admin-nav a.active .admin-question-count{color:#111;background:#fff}.admin-total-questions{background:#fafafa;border:1px solid #e5e5e5;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;margin-top:24px;padding:16px 14px;display:flex}.admin-total-label{color:#555;font-size:13px;font-weight:600;line-height:1.3}.admin-total-value{box-sizing:border-box;color:#fff;background:#111;border-radius:8px;justify-content:center;align-items:center;min-width:32px;height:32px;padding:0 8px;font-size:14px;font-weight:700;display:inline-flex}.admin-logout{cursor:pointer;background:#f2f2f2;border:0;border-radius:10px;margin-top:auto;padding:12px 14px;font-size:14px}.admin-logout:hover{background:#e8e8e8}.admin-content{flex:1;min-width:0;padding:40px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh}body{background-color:#fff;font-family:Bahnschrift,Arial,sans-serif}