:root{--library-blue:#4f6d92;--library-amber:#b8792a;--library-cream:#eee8da}
.hidden{display:none!important}
.library-shell{max-width:1180px;margin:auto;padding:68px 5vw 100px}
.library-hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:52px;align-items:end;padding:20px 0 62px;border-bottom:1px solid var(--line)}
.library-kicker{font-size:11px;font-weight:900;letter-spacing:.18em;color:var(--orange);text-transform:uppercase}
.library-hero h1{font:400 clamp(48px,6vw,78px)/1.02 var(--serif);letter-spacing:-.055em;margin:13px 0 20px}
.library-hero .lead{max-width:660px;margin:0;color:var(--muted);font-size:17px;line-height:1.8}
.library-hero-note{padding:26px;border:1px solid var(--ink);background:rgba(255,255,255,.18)}
.library-hero-note b{display:block;font:400 27px/1.25 var(--serif);margin-bottom:10px}
.library-hero-note p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.library-section{padding-top:54px}
.library-section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:24px}
.library-section-head h2{font:400 clamp(34px,4vw,52px)/1.1 var(--serif);letter-spacing:-.04em;margin:0}
.library-section-head p{max-width:470px;margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.library-card{position:relative;min-height:310px;padding:28px;border:1px solid var(--ink);background:rgba(255,255,255,.16);display:flex;flex-direction:column;overflow:hidden}
.library-card:before{content:"";position:absolute;width:190px;height:190px;border:30px solid color-mix(in srgb,var(--card-accent) 34%,transparent);border-radius:50%;right:-74px;top:-82px}
.library-card[data-kind="story"]{--card-accent:var(--library-blue)}
.library-card[data-kind="game"]{--card-accent:var(--library-amber)}
.library-card .type{position:relative;z-index:1;font-size:10px;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:var(--card-accent)}
.library-card h3{position:relative;z-index:1;font:400 34px/1.15 var(--serif);letter-spacing:-.035em;margin:42px 0 8px;max-width:78%}
.library-card .subtitle{font-size:13px;font-weight:800;margin:0 0 14px}
.library-card .summary{color:var(--muted);font-size:14px;line-height:1.7;margin:0 0 28px;max-width:88%}
.library-card .card-footer{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:16px}
.library-card .button{margin:0}
.library-card .status{font-size:11px;font-weight:800;color:var(--muted)}
.library-empty{padding:28px;border:1px solid var(--line);color:var(--muted)}
.library-loading{padding:44px 0;color:var(--muted)}
.library-browser{padding-bottom:52px;border-bottom:1px solid var(--line)}
.library-experience-select{display:grid;grid-template-columns:150px minmax(180px,1fr);align-items:center;max-width:520px;margin:24px 0 0;padding:10px 0;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.library-experience-select>span{font-size:11px;font-weight:800;color:var(--muted)}
.library-experience-select select{width:100%;min-height:36px;padding:0 12px;border:0;border-radius:0;background:var(--ink);color:white;font:700 14px/1.2 inherit;cursor:pointer}
.library-experience-select select:focus{outline:2px solid var(--orange);outline-offset:2px}
.library-focus{scroll-margin-top:110px;margin-top:54px;padding:34px;border:1px solid var(--ink);background:rgba(255,255,255,.15)}
.library-focus-head{display:flex;align-items:end;justify-content:space-between;gap:28px;padding-bottom:28px;border-bottom:1px solid var(--line)}
.library-focus-head h2{font:400 clamp(40px,5vw,66px)/1.05 var(--serif);letter-spacing:-.05em;margin:10px 0}
.library-focus-head p{margin:0;color:var(--muted);line-height:1.65}
.library-focus-head .button{flex:0 0 auto;margin:0}
.library-focus-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding-top:28px;align-items:stretch}
.library-shelf{min-width:0;display:flex;flex-direction:column}
.library-shelf-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:14px}
.library-shelf-head h3{font:400 27px/1.2 var(--serif);margin:0}
.library-shelf-head span{display:grid;place-items:center;min-width:30px;height:30px;border:1px solid var(--line);border-radius:50%;font-size:11px;font-weight:900}
.library-shelf .library-grid,.library-recent-columns .library-grid{grid-template-columns:1fr}
.library-shelf .library-grid{flex:1;grid-auto-rows:1fr}
.library-shelf .library-card{min-height:360px;height:100%}
.library-recent{margin-top:68px;padding-top:58px;border-top:1px solid var(--line)}
.library-curriculum-browser{margin-top:68px;padding:58px 30px 30px;border:1px solid var(--line);background:#f7f3eb}
.library-curriculum-select{max-width:720px}
.library-curriculum-focus{margin-top:24px}
.library-recent-columns{display:grid;grid-template-columns:1fr 1fr;gap:30px}
.library-card.compact{min-height:230px;padding:22px}
.library-card.compact h3{font-size:27px;margin-top:26px}
.library-card.compact .summary{display:none}
.library-card.compact .button{padding:10px 13px;font-size:12px}
.reader-layout{display:block;max-width:1180px;margin:0 auto}
.reader-sidebar{position:static;max-height:none;overflow:visible;padding:0;border:0}
.reader-back{display:inline-block;margin-bottom:28px;color:var(--ink);font-size:12px;font-weight:900;text-decoration:none}
.reader-sidebar h2{display:none}
.reader-toc{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 0}
.reader-toc button{display:inline-flex;align-items:center;min-height:38px;margin:0;padding:9px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font-size:12px;font-weight:800;line-height:1.35;cursor:pointer}
.reader-toc button:hover,.reader-toc button:focus-visible,.reader-toc button[aria-selected="true"]{border-color:var(--ink);background:var(--ink);color:#fff}
.reader-main{min-width:0;max-width:1080px}
.reader-head{padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:42px}
.reader-head h1{font:400 clamp(40px,5vw,64px)/1.08 var(--serif);letter-spacing:-.05em;margin:9px 0 10px}
.reader-head p{color:var(--muted);line-height:1.7;margin:0}
.reader-controls{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.reader-controls button{margin:0;padding:9px 13px;background:transparent;color:var(--ink)}
.reader-controls button.active{background:var(--ink);color:white}
.reader-content{font-family:"Batang","Nanum Myeongjo",serif;font-size:17px;line-height:2;color:#202521}
.reader-content h1{font:400 42px/1.18 var(--serif);letter-spacing:-.04em;margin:78px 0 28px;padding-top:24px;border-top:1px solid var(--line)}
.reader-content h1:first-child{margin-top:0;border-top:0;padding-top:0}
.reader-content h2{font:700 27px/1.35 var(--serif);margin:52px 0 18px}
.reader-content h3{font:700 18px/1.5 var(--serif);margin:34px 0 14px;color:var(--library-amber)}
.reader-content p{margin:0 0 24px}
.reader-chapter{scroll-margin-top:145px}
.reader-chapter[hidden]{display:none}
.reader-chapter>h1:first-child,.reader-chapter>h2:first-child{margin-top:30px;border-top:0;padding-top:0}
.reader-content blockquote{margin:28px 0;padding:18px 22px;border-left:4px solid var(--orange);background:rgba(242,140,40,.08)}
.reader-content hr{border:0;border-top:1px solid var(--line);margin:44px 0}
.reader-content em{color:var(--library-blue)}
.game-page{height:calc(100vh - 84px);min-height:680px;display:grid;grid-template-rows:auto 1fr;background:#1a1c22;color:#f0ece1}
.game-toolbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 4vw;border-bottom:1px solid rgba(255,255,255,.16)}
.game-toolbar a{color:#f0ece1;text-decoration:none;font-size:12px;font-weight:900}
.game-toolbar h1{font:400 22px/1.2 var(--serif);margin:0;text-align:center}
.game-toolbar span{font-size:11px;color:#aaa392;white-space:nowrap}
.library-game-frame{width:100%;height:100%;border:0;background:#1a1c22}
.related-library{margin:64px auto 0;max-width:1180px;padding:38px 5vw;border-top:1px solid var(--line)}
.related-library h2{font:400 clamp(30px,3.5vw,46px)/1.15 var(--serif);margin:7px 0 22px}
.related-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:start}
.related-library-column{min-width:0}
.related-library-column-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 2px 12px;border-bottom:1px solid var(--ink)}
.related-library-column-head>div{display:flex;align-items:baseline;gap:12px}
.related-library-column-head span{font-size:10px;font-weight:900;letter-spacing:.18em;color:var(--orange)}
.related-library-column-head h3{font:400 22px/1.2 var(--serif);margin:0}
.related-library-column-head>b{display:grid;place-items:center;width:28px;height:28px;border:1px solid var(--line);border-radius:50%;font-size:11px}
.related-library-stack{display:grid;gap:12px;padding-top:12px}
.related-library-card{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:66px;padding:20px;border:1px solid var(--line);color:var(--ink);text-decoration:none}
.related-library-card:hover{border-color:var(--ink)}
.related-library-card b{font-family:var(--serif);font-size:20px}
.related-library-card span{font-size:11px;font-weight:900;color:var(--orange)}
.related-library-empty{min-height:66px;margin:0;padding:20px;border:1px dashed var(--line);color:var(--muted);font-size:13px;display:flex;align-items:center}
@media(max-width:820px){.library-shell{padding:42px 20px 80px}.library-hero{grid-template-columns:1fr;gap:28px;padding-bottom:42px}.library-grid{grid-template-columns:1fr}.library-card{min-height:290px}.library-focus{padding:22px;margin-top:36px}.library-focus-head{align-items:flex-start;flex-direction:column}.library-focus-columns,.library-recent-columns{grid-template-columns:1fr}.reader-sidebar{padding:0}.reader-toc{display:flex;gap:8px}.reader-toc button{min-height:36px;padding:8px 12px}.reader-content{font-size:16px;line-height:1.9}.reader-content h1{font-size:34px}.reader-content h2{font-size:24px}.game-page{height:calc(100vh - 70px);min-height:620px}.game-toolbar{padding:11px 16px}.game-toolbar span{display:none}.related-library{padding:34px 20px}.related-library-grid{grid-template-columns:1fr;gap:32px}}
@media(max-width:520px){.library-experience-select{grid-template-columns:118px minmax(0,1fr)}}