@charset "UTF-8";
:root{--ink:#233d36;--muted:#6b7670;--paper:#f6f4ed;--line:#e3e5db;--green:#244c40;--accent:#d5794b;--gold:#b9903f;--card:#fffefa;--radius:22px;font-family:"Malgun Gothic","Apple SD Gothic Neo",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}a{color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #cd8850;outline-offset:3px}button{touch-action:manipulation}button:disabled{opacity:.7}img{max-width:100%}.app-shell{max-width:1100px;margin:auto;min-height:100dvh}.topbar{height:87px;display:flex;align-items:center;justify-content:space-between;padding:18px 36px;border-bottom:1px solid var(--line);background:var(--paper)}.brand{text-decoration:none;display:flex;gap:11px;align-items:center;font-size:19px;font-weight:700}.brand-mark{width:42px;height:42px;background:var(--green);color:#f5ead4;display:grid;place-items:center;border-radius:13px;font-family:serif;font-size:26px}.brand 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@media(min-width:900px){.bottom-nav{padding-left:230px;padding-right:230px}.home-columns{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}.home-columns .section-head{margin-top:10px}.home-columns .feature-row{margin:0;flex-direction:column;align-items:flex-start;height:100%;justify-content:center}.home-columns .feature-row button{margin-left:0}.home-columns .mode-grid{grid-template-columns:repeat(3,1fr)}}
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@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
main:focus{outline:none}.hero-art{background-size:cover,204% 228%}.comic-image{background-image:none;background-size:204% 228%}.comic-caption p,.review-q p{white-space:pre-line}
.q-option:disabled{opacity:1}.q-option.correct .number{background:#326840;color:#fff}
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.concept-head h2,.catalog-head h2{word-break:keep-all}
@media(max-width:420px){.concept-head,.catalog-head{flex-direction:column;align-items:flex-start;gap:8px}}
.start-section{margin:20px 0 28px;padding:22px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}.start-section .section-head{margin:0 0 16px}.start-section .section-head h2{margin:0}.start-section .subtle{font-size:12px;margin:7px 0 0}.feature-choices{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.feature-choice{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:8px;text-align:left;min-width:0;border:1px solid var(--line);border-radius:16px;background:#f9faf5;color:var(--ink);padding:16px 12px;line-height:1.5}.feature-choice:hover,.feature-choice.preferred{background:#eaf1e8;border-color:#769383}.choice-icon{font-size:24px;color:var(--green)}.feature-choice b{font-size:14px}.feature-choice small{font-size:11px;color:var(--muted)}.feature-time{font-size:10px;color:var(--muted)}.preferred-label{font-size:10px;color:var(--green);font-weight:700}.daily-goal{margin-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:center;font-size:12px}.daily-goal .bar-track{width:100%}.daily-goal small{grid-column:1/-1;color:var(--muted)}
.welcome-modal{max-width:680px;width:calc(100% - 28px);max-height:90dvh}.welcome-head{text-align:center}.welcome-head .brand-mark{margin:0 auto 16px}.welcome-head .modal-title{font-size:25px}.welcome-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.welcome-fields .field:first-child{grid-column:1/-1}.field input{width:100%;border:1px solid #d8ded2;border-radius:10px;padding:12px;background:#fff;color:var(--ink)}.welcome-features{border:0;padding:8px 0;margin:10px 0}.welcome-features legend{font-weight:700;font-size:14px;margin-bottom:12px}.welcome-choices{grid-template-columns:repeat(3,minmax(0,1fr))}.welcome-choices .feature-choice{cursor:pointer;padding:14px 12px}.feature-choice:has(input:checked){background:#e6efe2;border:2px solid var(--green);padding:13px 11px}.feature-choice input{position:absolute;top:12px;right:10px;accent-color:var(--green);width:18px;height:18px}.welcome-modal .actions{margin-top:16px}
.learner-card{display:flex;align-items:center;gap:14px;background:var(--card);padding:20px;border:1px solid var(--line);border-radius:20px;margin:20px 0}.learner-card>div{flex:1;min-width:0}.learner-card p{font-size:12px;line-height:1.7;color:var(--muted);margin:6px 0 0}.learner-avatar{width:50px;height:50px;border-radius:18px;background:#e6ecde;display:grid;place-items:center;font-size:22px;flex-shrink:0}.analysis-filters{display:flex;gap:14px;margin:18px 0}.analysis-filters .field{flex:1;margin:0}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.metric{padding:20px 16px;border:1px solid var(--line);border-radius:18px;background:var(--card);display:flex;flex-direction:column;gap:12px}.metric>span{font-size:12px;color:var(--muted)}.metric strong{font-size:30px;color:var(--green)}.metric strong small{font-size:14px;margin-left:4px}.metric>small{font-size:11px;color:var(--muted);line-height:1.6}.growth-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:22px}.growth-card{background:#e9efdf;padding:22px;border-radius:20px}.growth-card:nth-child(2){background:#f1eada}.growth-card h3{font-size:19px;margin:16px 0 12px}.growth-card p{font-size:13px;line-height:1.8}.growth-card small{font-size:11px;color:#58634c;line-height:1.7;display:block}.resolved-topic{margin:4px 0;font-weight:700}.growth-row{display:flex;gap:14px;justify-content:space-between;border-bottom:1px solid var(--line);padding:14px 0;font-size:13px;line-height:1.8}.activity-chart{height:180px;display:flex;gap:16px;align-items:flex-end;margin:35px 0 12px}.activity-day{flex:1;min-width:0;text-align:center}.activity-bars{display:flex;align-items:flex-end;justify-content:center;gap:5px;height:140px}.activity-bar{width:20px;background:#466f59;position:relative;min-height:2px;border-radius:5px 5px 0 0}.activity-bar span{position:absolute;top:-22px;left:50%;transform:translateX(-50%);font-size:11px}.activity-bar.game-bar{background:#cfa464}.activity-day>small{display:block;margin-top:12px;color:var(--muted);font-size:11px}.chart-legend{display:flex;flex-wrap:wrap;gap:12px;font-size:11px;line-height:1.8;color:#466f59}.chart-legend span:last-child{color:#936822}.trend-chart{width:100%;height:auto;display:block;margin:14px 0 0;overflow:visible}.trend-line{fill:none;stroke:#3e7658;stroke-width:3;stroke-linejoin:round;stroke-linecap:round}.trend-dot{fill:#3e7658;stroke:#fff;stroke-width:2}.axis{stroke:#cbd4c9;stroke-width:1}.grid-line{stroke:#e6e9df;stroke-dasharray:4 4}.axis-label{font-size:11px;fill:#647362}.value-label{font-size:12px;font-weight:700;fill:#244c40}.trend-change{font-size:12px;color:#426746;line-height:1.8}.exam-trends,.game-trends{display:grid;grid-template-columns:1fr 1fr;gap:24px}.exam-trends section,.game-trends section{min-width:0}.exam-trends h3,.game-trends h3{font-size:15px}.chart-empty{min-height:120px;display:grid;place-items:center;padding:20px;background:#f6f7f0;border-radius:12px;font-size:12px;line-height:1.8;text-align:center;color:var(--muted);margin:16px 0}.game-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:16px 0}.game-metrics span{font-size:10px;color:var(--muted);line-height:1.7}.game-metrics b{display:block;font-size:22px;color:var(--green)}.table-scroll{overflow-x:auto}.table-scroll .records{min-width:260px}.ad-waiting main{pointer-events:none;opacity:.75}.ad-waiting .bottom-nav,.ad-waiting .topbar{pointer-events:none}
@media(max-width:760px){.feature-choices{grid-template-columns:repeat(3,minmax(0,1fr))}.feature-choice:last-child{grid-column:span 2}.welcome-choices .feature-choice:last-child{grid-column:auto}.metric-grid{grid-template-columns:1fr 1fr}.growth-grid,.exam-trends,.game-trends{grid-template-columns:1fr}.activity-chart{gap:8px}.learner-card{padding:16px}.start-section{padding:18px}.growth-row{flex-direction:column;gap:4px}}
@media(max-width:420px){.feature-choices,.welcome-choices{grid-template-columns:1fr 1fr}.feature-choice:last-child,.welcome-choices .feature-choice:last-child{grid-column:1/-1}.feature-choice{padding:14px 12px}.start-section .section-head{align-items:flex-start;gap:8px;flex-direction:column}.daily-goal{grid-template-columns:1fr}.daily-goal small{grid-column:auto}.welcome-fields{grid-template-columns:1fr}.welcome-head .modal-title{font-size:21px}.welcome-modal{padding:24px 18px}.analysis-filters{gap:8px}.metric{padding:16px 12px}.metric strong{font-size:26px}.learner-card{flex-wrap:wrap}.learner-card>button{margin-left:64px}.growth-card{padding:18px}.activity-bar{width:14px}.activity-chart{gap:4px}}

.comic-period{display:block;margin:8px 0;color:var(--muted);font-size:.8rem}