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@media(max-width:1100px){.sidebar{width:195px;padding:30px 18px}.main{margin-left:195px;padding:0 30px 40px}.quiz-layout{grid-template-columns:minmax(0,1fr)}.question-map{margin-top:0}.map-grid{grid-template-columns:repeat(12,1fr);max-height:140px}.hero-art{width:155px}.hero{padding:27px}.stat{padding:0 18px}}
@media(max-width:760px){.sidebar{width:auto;inset:auto 0 0;padding:0 5px calc(6px + env(safe-area-inset-bottom));border:0;border-top:1px solid var(--line);background:#fff;display:block}.brand,.brand-caption,.nav-caption,.sidebar-note{display:none}.nav{flex-direction:row;gap:0;justify-content:space-around}.nav a{position:relative;flex:1;flex-direction:column;gap:4px;padding:10px 2px 5px;font-size:10px;border-radius:0;max-width:100px}.nav a.active{background:transparent;color:#376338}.nav a b{position:absolute;right:15px;top:4px;font-size:8px;padding:1px 4px;background:#e9eee3}.nav svg{width:21px;height:21px}.main{margin:0;padding:0 19px 105px}.topbar{height:64px;font-size:10px}.mobile-title{display:flex;align-items:center;gap:8px;font-weight:650;color:#375141;font-size:14px}.mobile-title img{width:28px;height:28px}.breadcrumb{display:none}.page-heading{margin:25px 0 20px;align-items:center}.page-heading h1{font-size:23px}.page-heading p{font-size:12px}.date-tag{display:none}.hero{padding:24px;min-height:220px}.hero h2{font-size:22px}.hero p{max-width:215px;font-size:11px}.hero-art{width:90px;height:130px;position:absolute;right:12px;top:45px;opacity:.6;pointer-events:none}.orbit{width:105px;height:105px;right:-10px}.book-art{width:77px;height:90px;top:24px;left:4px}.book-art svg{width:34px;height:34px}.star-art{width:31px;height:31px;bottom:0;right:-2px;box-shadow:0 0 0 4px #173c38}.hero>div:first-child{position:relative;z-index:1}.hero .primary{padding:11px 15px}.stats{padding:19px 0;margin:17px 0 26px}.stat{padding:0 10px}.stat span{font-size:10px;gap:4px}.stat svg{display:none}.stat strong{font-size:25px;margin-top:8px}.stat small{font-size:9px;margin-left:3px}.chapter-grid{grid-template-columns:1fr;gap:12px}.chapter{padding:18px}.chapter h3{font-size:14px}.chapter-bottom{margin-top:15px}.section-head{margin-top:23px}.section-head h2{font-size:16px}.quiz-card{padding:20px 17px}.quiz-layout{gap:18px}.question-title{font-size:17px;line-height:1.9}.option{padding:14px 12px;font-size:14px}.option-state{font-size:9px}.quiz-meta{font-size:10px}.quiz-head{margin-top:20px}.quiz-head p{font-size:10px;max-width:60%;text-align:right}.quiz-controls .primary,.quiz-controls .secondary{padding:12px 17px}.map-grid{grid-template-columns:repeat(8,1fr)}.toolbar{gap:8px}.toolbar input{flex-basis:100%}.toolbar select{flex:1;min-width:0;padding:11px;font-size:11px}.question-row{padding:16px}.page-heading .primary{padding:11px 13px;font-size:12px;white-space:nowrap}.settings-card{padding:20px}.answer-panel{padding:15px}.option-key{width:25px;height:25px}.footer-note{font-size:10px}#toast{bottom:90px;min-width:180px;text-align:center}dialog{padding:14px}.question-hint{font-size:10px}.eyebrow{font-size:9px}.question-map{padding:16px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

#confirm-dialog{max-width:430px;padding:26px}#confirm-dialog h2{font-size:18px;margin-top:0}#confirm-dialog p{font-size:14px;line-height:1.9}#confirm-dialog .button-group{justify-content:flex-end}
.auth-page{min-height:100vh;max-width:490px;margin:auto;padding:40px 22px}.auth-brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:18px;font-weight:650;margin-bottom:32px}.auth-brand img{width:36px;height:36px}.auth-brand span{font-size:11px;color:var(--muted);margin-left:auto;font-weight:400}.auth-card{background:white;padding:32px;border:1px solid var(--line);border-radius:16px}.auth-card h1{font-size:25px;line-height:1.5;margin:12px 0}.auth-tabs{display:flex;border-bottom:1px solid var(--line);gap:24px;margin:24px 0}.auth-tabs button{background:none;padding:12px 6px;color:#849078;border-bottom:2px solid transparent;font-size:14px}.auth-tabs .active{color:var(--green);border-color:var(--green);font-weight:600}.auth-card label,.password-form label{display:flex;flex-direction:column;gap:8px;font-size:12px;margin:16px 0;color:#566b50}.auth-card input,.password-form input{width:100%;border:1px solid var(--line);border-radius:7px;padding:13px 12px;font-size:16px;color:#233c38;background:#fcfdf9;min-height:46px}.auth-submit{width:100%;font-size:14px}.auth-tip{font-size:11px;line-height:1.8;color:var(--muted);margin:20px 0 0}.form-error{font-size:12px;color:var(--red);line-height:1.8;min-height:18px}.password-form{max-width:380px}.status{max-width:45%;font-size:11px;overflow-wrap:anywhere}@media(max-width:480px){.auth-page{padding:26px 18px}.auth-card{padding:24px}.auth-card h1{font-size:23px}.auth-brand span{font-size:10px}.status{font-size:10px}}