:root{--ev-ink:#172033;--ev-muted:#667085;--ev-line:#dce3e7;--ev-accent:#087f72;--ev-soft:#f3f7f5;--reader-size:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7f9f8;color:var(--ev-ink);font-family:Pretendard,"Noto Sans KR",system-ui,sans-serif}.skip{position:fixed;left:12px;top:-60px;z-index:100;background:#111827;color:#fff;padding:10px 14px;border-radius:6px}.skip:focus{top:12px}.reader-head{position:sticky;top:0;z-index:20;min-height:64px;display:flex;align-items:center;gap:20px;padding:10px 24px;border-bottom:1px solid var(--ev-line);background:rgba(255,255,255,.97)}.brand{color:var(--ev-accent);font-weight:900;text-decoration:none;white-space:nowrap}.book-meta{min-width:0;display:flex;align-items:baseline;gap:10px;flex:1}.book-meta strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-meta span{color:var(--ev-muted);font-size:12px;white-space:nowrap}.reader-actions{display:flex;gap:6px}.reader-actions button,.search-panel button,.toc button,.page-nav button{min-height:38px;border:1px solid var(--ev-line);border-radius:7px;background:#fff;color:var(--ev-ink);font:inherit;font-size:13px;font-weight:750;padding:7px 11px;cursor:pointer}.reader-actions button:hover,.reader-actions button:focus-visible,.page-nav button:hover,.page-nav button:focus-visible{border-color:var(--ev-accent);color:var(--ev-accent)}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(8,127,114,.28);outline-offset:2px}.search-panel{position:sticky;top:64px;z-index:18;display:flex;align-items:center;gap:9px;padding:10px 24px;border-bottom:1px solid var(--ev-line);background:#fff}.search-panel[hidden]{display:none}.search-panel label{font-size:13px;font-weight:800}.search-panel input{min-width:120px;max-width:520px;flex:1;border:1px solid var(--ev-line);border-radius:7px;padding:10px 12px;font:inherit}.search-panel div{color:var(--ev-muted);font-size:12px}.reader-layout{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:calc(100vh - 64px)}.toc{position:sticky;top:64px;height:calc(100vh - 64px);overflow:auto;padding:20px 16px;border-right:1px solid var(--ev-line);background:#fff}.toc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.toc-head button{display:none;font-size:20px}.toc ol{list-style:none;margin:0;padding:0}.toc li+li{margin-top:4px}.toc a{display:block;border-radius:6px;padding:9px 10px;color:#475467;font-size:13px;line-height:1.45;text-decoration:none}.toc a:hover,.toc a:focus-visible,.toc a[aria-current="page"]{background:var(--ev-soft);color:var(--ev-accent);font-weight:800}.reader-content{min-width:0;width:100%;max-width:900px;margin:0 auto;padding:46px 54px 80px}.state-card{max-width:620px;margin:9vh auto 0;padding:36px;border:1px solid var(--ev-line);border-top:4px solid var(--ev-accent);border-radius:10px;background:#fff}.state-card .eyebrow,.chapter .eyebrow{color:var(--ev-accent);font-size:12px;font-weight:900;letter-spacing:.08em}.state-card h1{font-size:28px;line-height:1.35}.state-card p{color:var(--ev-muted);line-height:1.7}.state-card a{display:inline-flex;margin-top:8px;border-radius:7px;background:var(--ev-accent);color:#fff;padding:10px 15px;font-weight:800;text-decoration:none}.chapter{font-size:var(--reader-size);line-height:1.85;overflow-wrap:anywhere}.chapter h1{font-size:2em;line-height:1.3;margin:0 0 .5em}.chapter h2{font-size:1.35em;line-height:1.45;margin:1.8em 0 .6em}.chapter p,.chapter ul,.chapter ol,.chapter blockquote{margin:0 0 1.1em}.chapter blockquote{border-left:4px solid var(--ev-accent);background:var(--ev-soft);padding:14px 18px}.page-nav{display:flex;justify-content:space-between;gap:12px;margin-top:48px;padding-top:20px;border-top:1px solid var(--ev-line)}.page-nav button:disabled{opacity:.4;cursor:not-allowed}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){.reader-head{padding:9px 14px;gap:10px}.book-meta span{display:none}.reader-actions button{padding:7px 9px}.reader-layout{display:block}.toc{position:fixed;inset:0 auto 0 0;z-index:40;width:min(84vw,320px);height:100vh;transform:translateX(-105%);transition:transform .2s ease;box-shadow:10px 0 30px rgba(23,32,51,.16)}.toc.open{transform:none}.toc-head button{display:block}.reader-content{padding:34px 34px 70px}.search-panel{top:58px;padding:10px 14px;flex-wrap:wrap}.search-panel div{width:100%}}
@media(max-width:560px){.reader-head{min-height:56px;flex-wrap:wrap}.book-meta{order:3;flex-basis:100%}.book-meta strong{font-size:13px}.reader-actions{margin-left:auto}.reader-actions button{min-height:36px}.reader-actions #fontDown,.reader-actions #fontUp,.reader-actions #bookmarkButton{position:fixed;bottom:max(10px,env(safe-area-inset-bottom));z-index:15;background:#fff;box-shadow:0 4px 14px rgba(23,32,51,.14)}#fontDown{left:14px}#fontUp{left:65px}#bookmarkButton{right:14px}.reader-content{padding:28px 18px 76px}.chapter h1{font-size:1.65em}.state-card{margin-top:30px;padding:24px}.state-card h1{font-size:23px}.search-panel{top:92px}.page-nav button{flex:1}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
[hidden]{display:none!important}