@charset "UTF-8";
:root{color-scheme:light;--paper:#f6f4ef;--surface:#fffefa;--ink:#172d30;--muted:#697674;--teal:#17665d;--teal-dark:#10483f;--lime:#dcebb0;--line:#dcded5;--soft:#eceee6;--error:#a13829;--font-scale:1;--sidebar:232px;font-family:"Malgun Gothic","Apple SD Gothic Neo","Noto Sans KR",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-underline-offset:4px}button:disabled{cursor:wait;opacity:.55}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #5b8f82;outline-offset:4px}::selection{background:var(--lime)}[hidden]{display:none!important}.skip-link{position:fixed;top:-80px;left:20px;background:var(--ink);color:white;padding:14px;z-index:100}.skip-link:focus{top:16px}.sidebar{width:var(--sidebar);position:fixed;inset:0 auto 0 0;border-right:1px solid var(--line);padding:40px 24px 28px;display:flex;flex-direction:column;background:var(--paper);z-index:10}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-size:31px;letter-spacing:-1.5px;font-weight:800}.brand-mark{display:grid;place-items:center;border-radius:12px 12px 12px 2px;background:var(--teal);color:var(--lime);width:40px;height:43px;font-size:35px;font-weight:400}.brand small{display:block;font-size:8px;letter-spacing:1.6px;font-weight:600;margin:3px 0 0 2px}.brand-caption{font-size:13px;line-height:1.85;color:var(--muted);margin:30px 12px 36px}.navigation{display:flex;flex-direction:column;gap:7px}.nav-link{display:flex;gap:13px;align-items:center;min-height:48px;text-decoration:none;padding:12px 15px;font-size:14px;border-radius:7px;color:#526662;transition:background .15s,color .15s}.nav-link:hover{background:var(--soft)}.nav-link.active{background:var(--teal);color:#fff;font-weight:700}.nav-icon{width:21px;height:21px;flex-shrink:0}.nav-count{margin-left:auto;font-size:11px;min-width:21px;text-align:center;padding:2px 4px;border-radius:4px;background:var(--lime);color:var(--teal-dark)}.sidebar-footer{margin-top:auto;padding:32px 12px 0}.quiet-label,.eyebrow{font-size:10px;letter-spacing:2px;font-weight:700}.sidebar-footer p{font-size:14px;line-height:1.8;font-family:"Batang","Songti SC",serif;margin:12px 0 22px}.network-status{display:inline-flex;gap:6px;align-items:center;font-size:11px;color:var(--muted)}.network-status:before{content:"";display:block;width:6px;height:6px;border-radius:50%;background:var(--teal)}.network-status.offline:before{background:#b7833e}.workspace{margin-left:var(--sidebar)}.topbar{height:80px;border-bottom:1px solid var(--line);padding:0 48px;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);letter-spacing:.3px}.mobile-brand{display:none}main{max-width:1184px;margin:0 auto;padding:42px 48px 64px;min-height:calc(100dvh - 160px)}.page-footer{max-width:1184px;margin:auto;padding:18px 48px 30px;border-top:1px solid var(--line);display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.page-footer>span:first-child{font-weight:700;color:var(--ink)}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}.eyebrow{color:var(--teal);display:block;margin-bottom:14px}h1,h2,h3,p{overflow-wrap:anywhere}h1{font-size:36px;font-weight:700;line-height:1.35;letter-spacing:-1.7px;margin:0}h2{font-size:22px;line-height:1.5;letter-spacing:-.7px;margin:0}h3{font-size:17px;line-height:1.5;letter-spacing:-.35px;margin:0}.subtitle{font-size:14px;color:var(--muted);line-height:1.9;margin:12px 0 0}.heading-aside{font-size:12px;color:var(--muted);white-space:nowrap}.hero{position:relative;overflow:hidden;background:var(--teal);color:var(--surface);border-radius:10px;padding:38px 40px;margin-bottom:30px;display:grid;grid-template-columns:1.55fr 1fr;gap:20px;min-height:270px}.hero .eyebrow{color:var(--lime);font-size:10px;letter-spacing:2px}.hero h2{font-size:34px;font-weight:400;line-height:1.55;letter-spacing:-1.2px;font-family:"Batang","Songti SC",serif}.hero p{font-size:13px;line-height:1.9;color:#dae7de;margin:15px 0 24px;max-width:390px}.hero-art{position:relative;min-height:190px;display:grid;place-items:center}.orbit{position:absolute;border:1px solid #ffffff24;border-radius:50%;height:205px;width:205px;transform:rotate(-25deg)}.orbit:nth-child(2){width:275px;height:145px;transform:rotate(-40deg)}.study-note-art{background:var(--paper);color:var(--ink);width:165px;padding:22px 22px 20px;transform:rotate(9deg);box-shadow:-14px 14px 0 #ffffff12;border:1px solid #edf1dc;border-radius:3px;position:relative}.study-note-art:before{content:"";position:absolute;top:-9px;width:61px;height:18px;background:var(--lime);left:53px;transform:rotate(-7deg)}.study-note-art small{font-size:8px;letter-spacing:1.3px}.study-note-art strong{display:block;font-family:"Batang",serif;font-size:25px;font-weight:400;line-height:1.55;margin:20px 0}.art-line{height:1px;background:#bac8b9;margin:9px 0}.art-check{display:inline-flex;border-radius:50%;background:var(--lime);width:25px;height:25px;align-items:center;justify-content:center;float:right;margin-top:7px}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;text-decoration:none;border:1px solid transparent;border-radius:6px;background:var(--teal);color:#fff;min-height:43px;padding:11px 17px;font-weight:700;font-size:13px;line-height:1.4;transition:background .15s,transform .15s}.button:hover{background:var(--teal-dark)}.button.lime{background:var(--lime);color:var(--teal-dark)}.button.lime:hover{background:#ebf6ce}.button.secondary{background:transparent;border-color:var(--line);color:var(--ink)}.button.secondary:hover{background:var(--soft)}.button.small{min-height:34px;padding:7px 11px;font-size:12px}.button.danger{color:var(--error);border-color:#d9b8ae;background:transparent}.button.danger:hover{background:#fff0ea}.text-link{display:inline-flex;gap:7px;align-items:center;color:var(--teal);font-size:12px;font-weight:700;text-decoration:none;background:none;border:none;padding:3px 0}.text-link:hover{text-decoration:underline}.section-header{display:flex;align-items:baseline;justify-content:space-between;gap:15px;margin:32px 0 17px}.section-header h2{font-size:19px}.section-header span{font-size:11px;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#ffffff36}.step{padding:23px 22px;border-right:1px solid var(--line)}.step:last-child{border-right:none}.step-no{font-family:Georgia,serif;font-size:28px;line-height:1;color:#88a294;display:block;margin-bottom:19px}.step h3{font-size:14px;margin-bottom:8px}.step p{font-size:12px;line-height:1.9;color:var(--muted);margin:0}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.catalog-card{background:var(--surface);border:1px solid var(--line);padding:21px;border-radius:7px;min-width:0}.catalog-card .subject-top{display:flex;justify-content:space-between;gap:10px;align-items:center}.subject-glyph{color:var(--teal);width:33px;height:33px;background:var(--soft);border-radius:9px;display:grid;place-items:center;font-size:16px}.catalog-card h3{margin:14px 0 9px;font-size:15px}.catalog-card p{font-size:11px;color:var(--muted);line-height:1.8;margin:0}.catalog-card .unit-preview{border-top:1px solid var(--line);padding-top:11px;margin-top:13px}.badge{display:inline-flex;padding:4px 7px;border-radius:4px;background:var(--soft);color:#5e6e68;font-size:10px;line-height:1.4;font-weight:600;vertical-align:middle}.badge.success{background:var(--lime);color:var(--teal-dark)}.badge.warning{background:#f5e6c9;color:#836026}.badge.muted{background:#f0eee8;color:#777d73}.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:11px;color:var(--muted)}.muted{color:var(--muted)}.help-text{font-size:12px;color:var(--muted);line-height:1.85}.panel{padding:25px;background:var(--surface);border:1px solid var(--line);border-radius:8px;margin-bottom:18px}.panel>h2{font-size:19px}.panel>p{font-size:13px;line-height:1.9;color:var(--muted)}.empty-state{padding:40px 30px;border:1px dashed #bfcabf;border-radius:8px;text-align:center;background:#ffffff30}.empty-state h2{font-size:20px;margin:12px 0 9px}.empty-state p{font-size:13px;color:var(--muted);line-height:1.9;max-width:460px;margin:0 auto 19px}.empty-symbol{font-family:Georgia,serif;font-size:35px;color:var(--teal);display:block}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:24px 0}.stat{padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:7px}.stat strong{font-family:Georgia,serif;font-weight:400;font-size:34px;display:block;margin:10px 0}.stat span{font-size:12px;color:var(--muted)}.stat small{font-size:11px;color:var(--muted)}.list{display:grid;gap:12px}.lesson-row{padding:21px 23px;background:var(--surface);border:1px solid var(--line);border-radius:7px;display:flex;align-items:center;gap:18px;text-decoration:none;transition:border-color .15s,background .15s}.lesson-row:hover{border-color:#779f8f;background:#fff}.lesson-row>div{min-width:0;flex:1}.lesson-row h3{font-size:16px;margin:6px 0}.lesson-row p{font-size:12px;line-height:1.8;color:var(--muted);margin:5px 0}.row-number{font-family:Georgia,serif;font-size:23px;color:#93a694;flex-shrink:0}.row-arrow{font-size:20px;color:var(--teal)}.section-intro{margin:0 0 22px;font-size:13px;line-height:1.9;color:var(--muted)}.pack-section{margin-bottom:34px}.pack-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:15px}.pack-heading h2{font-size:21px;margin:7px 0}.search-form{display:flex;gap:10px;align-items:center;margin:12px 0 16px}.search-input{width:100%;min-width:0;border:1px solid #b9c8bd;border-radius:7px;background:var(--surface);padding:16px 18px;font-size:15px;color:var(--ink)}.search-input::placeholder{color:#89938a}.search-form .button{min-height:53px;white-space:nowrap}.result-excerpt{white-space:pre-line}.filters{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 25px}.filter{background:transparent;color:var(--muted);border:1px solid var(--line);border-radius:30px;padding:8px 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0;font-size:12px;display:flex;gap:12px;align-items:flex-start;justify-content:space-between}.import-result span{overflow-wrap:anywhere}.import-result.error{color:var(--error)}.import-result.success{color:var(--teal)}.progress-track{height:4px;background:var(--line);border-radius:8px;overflow:hidden;margin:15px 0}.progress-fill{height:100%;background:var(--teal);width:0;transition:width .2s}.storage-row{padding:19px 0;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start;gap:15px}.storage-row:last-child{border-bottom:none}.storage-row h3{font-size:14px}.storage-row p{font-size:11px;color:var(--muted);line-height:1.7;margin:6px 0}.delete-confirm{margin-top:12px;padding:14px;background:#fcf1e9;border-radius:5px}.delete-confirm p{margin:0 0 12px;color:#8b4c36}.data-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.data-grid>.panel{margin:0}.settings-row{margin-top:21px;display:flex;gap:20px;align-items:center;justify-content:space-between;font-size:13px}.settings-row input{accent-color:var(--teal);width:150px}.install-help{margin-top:17px;font-size:12px;line-height:1.9;color:var(--muted)}.install-help summary{cursor:pointer;color:var(--teal);font-weight:700}.install-help ol{padding-left:22px}.reader{max-width:800px;margin:0 auto}.reader-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:27px;gap:14px}.reader-top .button{white-space:nowrap}.reader-heading{padding-bottom:27px;border-bottom:1px solid var(--line)}.reader-heading h1{font-size:34px;margin:13px 0}.reader-heading .subtitle{font-size:15px}.reader-tools{display:flex;flex-wrap:wrap;gap:10px;margin:21px 0 0}.reader-tools label{display:flex;align-items:center;gap:7px;font-size:12px;border:1px solid var(--line);padding:9px 12px;border-radius:5px;cursor:pointer}.reader-tools input{accent-color:var(--teal);width:15px;height:15px}.reader-layout{margin-top:27px}.contents{padding:19px 22px;border:1px solid var(--line);background:#eeeee4;border-radius:6px;margin-bottom:36px}.contents summary{cursor:pointer;font-size:13px;font-weight:700}.contents-links{display:grid;grid-template-columns:1fr 1fr;gap:9px 18px;margin-top:16px}.contents-links a{font-size:12px;line-height:1.6;color:var(--teal);text-decoration:none}.contents-links a:hover{text-decoration:underline}.reader-section{margin:0 0 41px;scroll-margin-top:25px}.reader-section h2{font-size:calc(22px * var(--font-scale));padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:19px}.reading-text{font-size:calc(17px * var(--font-scale));line-height:2.03;letter-spacing:-.25px;white-space:pre-line;word-break:keep-all;overflow-wrap:anywhere;margin:0 0 17px}.source-links{display:flex;flex-wrap:wrap;gap:7px;margin-top:17px}.source-link{font-size:10px;color:var(--teal);border-bottom:1px solid #a3b6a3;text-decoration:none;line-height:1.8}.summary-box{background:#e9eedf;border-left:3px solid var(--teal);border-radius:0 6px 6px 0;padding:23px 26px;margin:30px 0}.summary-box h2{font-size:18px;margin-bottom:15px}.summary-box ul{margin:0;padding-left:18px}.summary-box li{font-size:calc(14px * var(--font-scale));line-height:1.95;padding:3px 0}.scenario-card{background:var(--surface);border:1px solid var(--line);border-radius:8px;overflow:hidden;margin:16px 0;scroll-margin-top:25px}.scenario-card header{padding:21px 24px 16px;border-bottom:1px solid var(--line)}.scenario-card h3{font-size:calc(17px * var(--font-scale));margin:9px 0 0}.scenario-body{padding:20px 24px}.reason-row{display:grid;grid-template-columns:65px 1fr;gap:15px;margin:0 0 17px}.reason-label{font-size:11px;font-weight:700;color:var(--teal);padding-top:4px}.reason-text{font-size:calc(15px * var(--font-scale));line-height:1.95;white-space:pre-line;word-break:keep-all;overflow-wrap:anywhere;margin:0}.reason-row.action{padding:14px;background:#f1f4e6;border-radius:5px;margin-left:-10px;margin-right:-10px}.rating-area{border-top:1px solid var(--line);padding:17px 24px;background:#fbfaf5}.rating-area>p{font-size:11px;color:var(--muted);margin:0 0 11px}.rating-buttons{display:flex;flex-wrap:wrap;gap:7px}.rating-buttons .button{font-size:11px;min-height:35px;padding:8px 11px}.rating-status{font-size:11px;color:var(--teal);line-height:1.8;margin-top:10px}.question{border:1px solid var(--line);border-radius:7px;background:var(--surface);margin:13px 0;overflow:hidden;scroll-margin-top:24px}.question>summary{list-style:none;cursor:pointer;padding:19px 22px;display:flex;align-items:center;gap:12px;font-size:14px;font-weight:700;line-height:1.7}.question>summary::-webkit-details-marker{display:none}.question>summary:after{content:"+";font-family:Georgia,serif;font-size:23px;margin-left:auto;font-weight:400;color:var(--teal)}.question[open]>summary:after{content:"−"}.question[open]>summary{border-bottom:1px solid var(--line)}.question-content{padding:22px}.question-content .reading-text{font-size:calc(15px * var(--font-scale))}.clues{padding:15px 18px;background:var(--soft);border-radius:5px;margin:18px 0}.clues strong{font-size:11px;color:var(--teal)}.clues ul{margin:8px 0 0;padding-left:17px}.clues li{font-size:13px;line-height:1.9}.question-image{width:100%;max-height:320px;object-fit:contain;object-position:left top;display:block;border:1px solid var(--line);background:#fff;border-radius:5px}.image-button{border:none;background:none;display:block;text-align:left;width:100%;padding:0;margin:16px 0;cursor:zoom-in}.image-caption{font-size:10px;color:var(--teal);display:block;margin-top:7px}.image-unavailable{font-size:12px;color:var(--error);padding:15px;background:#fcf1e9;border-radius:5px}.option-list{display:grid;gap:8px;margin:21px 0}.option{display:flex;align-items:flex-start;gap:11px;text-align:left;padding:13px 15px;border:1px solid var(--line);border-radius:5px;background:transparent;font-size:13px;line-height:1.7;color:var(--ink);width:100%}.option:hover{border-color:var(--teal);background:#f2f5e9}.option.selected{border-color:var(--teal);background:#e9efde}.option.correct{border-color:var(--teal);background:#e4f0e3}.option.incorrect{border-color:#c39677;background:#fbede3}.option-key{flex-shrink:0;font-size:11px;display:grid;place-items:center;border:1px solid #c1cbbf;border-radius:50%;height:23px;min-width:23px}.answer-feedback{padding:14px 17px;background:var(--soft);border-radius:5px;font-size:13px;line-height:1.8;margin:12px 0}.answer-details{margin-top:20px;border-top:1px solid var(--line);padding-top:20px}.answer-details h4{font-size:12px;color:var(--teal);margin:17px 0 7px}.answer-details p{font-size:calc(14px * var(--font-scale));line-height:1.95;margin:0;white-space:pre-line}.answer-warning{padding:13px 16px;background:#f6edd7;color:#74552c;font-size:12px;line-height:1.85;border-radius:5px;margin:16px 0}.glossary{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin:19px 0}.glossary>div{border:1px solid var(--line);background:var(--surface);border-radius:5px;padding:17px}.glossary dt{font-size:13px;font-weight:700;color:var(--teal)}.glossary dd{margin:9px 0 0;font-size:13px;line-height:1.9}.notes-area{width:100%;min-height:130px;resize:vertical;border:1px solid #bbc8bb;border-radius:5px;background:var(--surface);padding:14px;font-size:14px;line-height:1.9;color:var(--ink);margin:15px 0 10px}.reference-list{padding-left:20px}.reference-list li{font-size:11px;color:var(--muted);line-height:1.85;margin:12px 0}.reference-list a{color:var(--teal)}.reference-list .source-locator{display:block}.notice{position:fixed;bottom:25px;left:calc(var(--sidebar) + (100vw - var(--sidebar)) / 2);transform:translateX(-50%);max-width:min(560px,80vw);background:var(--ink);color:#fff;padding:13px 20px;border-radius:7px;box-shadow:0 8px 35px #172d3020;font-size:13px;line-height:1.7;z-index:80;overflow-wrap:anywhere}.notice.error{background:#8b3b2d}.loading-state{min-height:340px;display:grid;align-content:center;justify-items:center;gap:12px;color:var(--muted);font-size:13px}.spinner{width:24px;height:24px;border:2px solid var(--line);border-top-color:var(--teal);border-radius:50%;animation:spin .8s linear infinite}.error-panel{border:1px solid #d8b4a7;padding:25px;border-radius:7px;background:#fff9f3}.error-panel h2{font-size:20px;margin-bottom:10px}.error-panel p{font-size:13px;line-height:1.9}.fatal-message{padding:30px}.image-dialog{max-width:95vw;max-height:95dvh;width:1100px;border:1px solid var(--line);border-radius:8px;padding:0;background:var(--paper);color:var(--ink)}.image-dialog::backdrop{background:#102826b8;backdrop-filter:blur(3px)}.image-dialog-toolbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--paper);font-size:12px}.image-dialog img{width:100%;height:auto;display:block}.image-dialog-content{padding:12px}.reader-bottom{border-top:1px solid var(--line);padding-top:25px;display:flex;justify-content:space-between;gap:15px}.missing-pack{background:#f6efdf;border-color:#dfd1b4}.inline-error{color:var(--error);font-size:12px;line-height:1.9}.small-print{font-size:10px;color:var(--muted);line-height:1.9}.catalog-loading{font-size:12px;color:var(--muted);padding:15px 0}.split-heading{display:flex;justify-content:space-between;align-items:center;gap:15px}.bookmark-mark{color:var(--teal);margin-left:4px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@keyframes spin{to{transform:rotate(360deg)}}@keyframes enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}main>.page-heading,main>.hero{animation:enter .35s ease both}.hero{animation-delay:.06s}
@media(min-width:1500px){:root{--sidebar:260px}.sidebar{padding-left:34px;padding-right:34px}main{padding-top:54px}.hero{min-height:290px;padding:43px 45px}}
@media(max-width:1100px){:root{--sidebar:195px}.sidebar{padding:32px 17px 24px}.brand{font-size:28px}.brand-mark{width:36px;height:39px}.brand-caption{margin-left:10px}.topbar{padding:0 30px}main{padding:34px 30px 50px}.page-footer{padding-left:30px;padding-right:30px}.hero{padding:31px 30px}.hero h2{font-size:30px}.hero-art{transform:scale(.85)}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.step{padding:21px 16px}.step p{font-size:11px}}
@media(max-width:760px){:root{--sidebar:0px}.sidebar{position:fixed;inset:auto 0 0 0;width:100%;height:calc(65px + env(safe-area-inset-bottom));padding:0 8px env(safe-area-inset-bottom);background:#f6f4eff5;backdrop-filter:blur(15px);border-right:none;border-top:1px solid var(--line);display:block;z-index:50}.brand,.brand-caption,.sidebar-footer{display:none}.navigation{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;height:65px}.nav-link{position:relative;min-height:0;border-radius:0;gap:5px;flex-direction:column;justify-content:center;padding:9px 3px 6px;font-size:10px}.nav-link.active{background:transparent;color:var(--teal)}.nav-link.active:before{content:"";position:absolute;top:0;width:27px;height:3px;border-radius:0 0 3px 3px;background:var(--teal)}.nav-icon{height:21px;width:21px}.nav-count{position:absolute;top:6px;left:calc(50% + 8px);margin:0;font-size:8px;min-width:15px;padding:1px 3px}.workspace{margin:0;padding-bottom:calc(65px + env(safe-area-inset-bottom))}.topbar{height:64px;padding:0 23px}.mobile-brand{display:block;text-decoration:none;font-size:22px;color:var(--teal);font-weight:800;letter-spacing:-.9px}.topbar-label{display:none}.topbar #topbar-date{font-size:10px}main{padding:29px 22px 42px;min-height:calc(100dvh - 200px)}h1{font-size:29px;letter-spacing:-1.2px}.page-heading{margin-bottom:25px;gap:13px;align-items:flex-start}.eyebrow{font-size:9px;letter-spacing:1.6px;margin-bottom:12px}.heading-aside{font-size:10px;padding-top:4px}.subtitle{font-size:12px;line-height:1.9}.hero{display:block;padding:29px 26px;min-height:0;margin-bottom:26px}.hero h2{font-size:28px;max-width:280px}.hero p{font-size:12px;max-width:280px}.hero-art{display:none}.hero .button{margin-top:1px}.steps{display:block}.step{display:grid;grid-template-columns:35px 1fr;column-gap:16px;padding:18px 20px;border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.step-no{grid-row:1/3;font-size:24px;margin:4px 0 0}.step h3{font-size:13px;margin:0 0 5px}.step p{font-size:11px}.section-header{margin-top:29px}.section-header h2{font-size:18px}.section-header span{font-size:10px}.catalog-grid{gap:10px}.catalog-card{padding:17px 15px}.catalog-card h3{font-size:14px}.catalog-card p{font-size:10px}.catalog-card .badge{font-size:9px}.subject-glyph{width:28px;height:28px;font-size:14px}.catalog-card .unit-preview{line-height:1.85;min-height:48px}.panel{padding:21px 19px}.data-grid{grid-template-columns:1fr}.import-zone{padding:24px 14px}.stats{gap:8px}.stat{padding:17px 13px}.stat strong{font-size:29px}.stat span,.stat small{font-size:10px}.lesson-row{padding:17px 16px;gap:13px}.lesson-row h3{font-size:14px}.lesson-row p{font-size:11px}.row-number{font-size:20px}.meta{font-size:10px;gap:6px}.pack-heading{display:block}.pack-heading>.meta{margin-top:10px}.search-form{gap:8px}.search-input{padding:14px 13px;font-size:13px}.search-form .button{min-height:49px;padding:10px 14px}.reader-top{margin-bottom:23px}.reader-heading h1{font-size:28px}.reader-heading .subtitle{font-size:13px}.reading-text{font-size:calc(17px * var(--font-scale));line-height:2}.reader-section h2{font-size:calc(20px * var(--font-scale))}.contents{padding:17px 18px}.contents-links{grid-template-columns:1fr}.reader-tools{gap:7px}.reader-tools label,.reader-tools .button{font-size:11px}.scenario-card header{padding:18px}.scenario-body{padding:18px}.reason-row{grid-template-columns:50px 1fr;gap:10px}.reason-text{font-size:calc(15px * var(--font-scale))}.reason-label{font-size:10px}.scenario-card h3{font-size:calc(15px * var(--font-scale))}.rating-area{padding:16px 18px}.rating-buttons{gap:6px}.rating-buttons .button{font-size:10px;padding:8px 9px}.question>summary{padding:17px 16px;font-size:13px}.question-content{padding:18px 16px}.glossary{grid-template-columns:1fr}.summary-box{padding:21px}.summary-box li{font-size:calc(13px * var(--font-scale))}.page-footer{padding:18px 22px 27px;font-size:9px}.notice{left:50%;bottom:calc(80px + env(safe-area-inset-bottom));max-width:calc(100vw - 30px);width:max-content}.image-dialog{max-width:100vw;max-height:100dvh;border-radius:0;width:100vw}.image-dialog-toolbar{padding:10px 14px}.review-row{padding:19px 17px}.storage-row{gap:10px}.storage-row h3{font-size:13px}.storage-row .button{font-size:11px;padding:8px 10px}.settings-row{font-size:12px}.settings-row input{width:125px}.empty-state{padding:30px 21px}.empty-state p{font-size:12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.update-banner{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;padding:13px 24px;background:var(--lime);color:var(--teal-dark);font-size:12px;line-height:1.8;border-bottom:1px solid #c5d49d}.update-banner .button{border-color:#a9bf89}@media(max-width:760px){.update-banner{padding:13px 22px;gap:8px;justify-content:flex-start;font-size:11px}}

.split-heading>h2{min-width:0}.split-heading>.badge{flex-shrink:0;white-space:nowrap}@media(max-width:420px){.split-heading{flex-wrap:wrap;align-items:flex-start;gap:10px}.split-heading>h2{flex:1 1 180px}.split-heading>.badge{flex:0 0 auto}}
.reason-label{word-break:keep-all;overflow-wrap:normal;line-height:1.5}
.library-panel{border-color:#bbcbbb}.library-actions{margin:19px 0 9px}.connection-guide{padding:17px 19px;background:#eef2e4;border-radius:6px;margin:18px 0}.connection-guide strong{font-size:13px;color:var(--teal);line-height:1.8}.connection-guide p{font-size:12px;color:var(--muted);line-height:1.9;margin:8px 0 0}.published-units{display:grid;gap:0}.published-unit{display:flex;align-items:flex-start;gap:18px;padding:22px 0;border-top:1px solid var(--line)}.published-unit-copy{min-width:0;flex:1}.published-unit h3{font-size:17px;margin:10px 0}.published-unit p{margin:8px 0 12px}.published-unit>.button{flex-shrink:0;margin-top:26px}.unit-current{white-space:nowrap;flex-shrink:0;font-size:11px;color:var(--teal);margin-top:28px}.unit-download-progress{padding:16px 18px;background:var(--soft);border-radius:5px;margin:18px 0}.library-error{padding:13px 16px;border:1px solid #dfb9a6;border-radius:5px;background:#fff6ef}.advanced-import>summary{cursor:pointer;color:var(--muted);font-size:13px;font-weight:700;line-height:1.8}.advanced-import[open]>summary{padding-bottom:23px;margin-bottom:20px;border-bottom:1px solid var(--line)}.advanced-import .split-heading h2{font-size:16px}.advanced-import>p{font-size:12px;line-height:1.9;color:var(--muted)}@media(max-width:420px){.published-unit{flex-wrap:wrap;gap:10px;padding:19px 0}.published-unit-copy{flex-basis:100%}.published-unit>.button,.unit-current{margin-top:0}.published-unit h3{font-size:16px}.connection-guide{padding:15px}.unit-download-progress{padding:14px}.unit-download-progress .split-heading{gap:7px}.unit-download-progress .split-heading .help-text{width:100%}}