*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#fafafa;--surface:#fff;--text:#18181b;--sub:#71717a;--line:#e4e4e7;
  --accent:#2563eb;--accent-soft:#eff6ff;--dark:#18181b;
  --shadow:0 1px 2px rgba(24,24,27,.04),0 8px 20px rgba(24,24,27,.05);
  --radius:16px;--max:1080px
}
html{scroll-behavior:smooth}
body{min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{text-decoration:none;color:inherit}

.topbar{position:sticky;top:0;z-index:20;height:64px;padding:0 28px;display:flex;align-items:center;justify-content:space-between;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;background:var(--dark);color:#fff;font-size:12px;font-weight:800}
.brand-text strong{display:block;font-size:14px;line-height:1.1;font-weight:800}
.brand-text small{display:block;margin-top:1px;color:var(--sub);font-size:10.5px;font-weight:600}
.menu{display:flex;align-items:center;gap:4px;font-size:13.5px;font-weight:700}
.menu a{padding:8px 12px;border-radius:8px;color:var(--sub)}
.menu a:hover{color:var(--text);background:#f4f4f5}
.menu a.active{color:var(--accent);background:var(--accent-soft)}

.page{max-width:var(--max);margin:0 auto;padding:48px 28px 100px}

.page-head{margin-bottom:40px}
.label{display:inline-flex;align-items:center;width:fit-content;padding:6px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:800;letter-spacing:.08em;margin-bottom:16px}
.label:before{content:"";width:6px;height:6px;border-radius:999px;background:var(--accent);margin-right:8px}
.tagline{color:var(--accent);font-weight:700;font-style:italic;font-size:13px;letter-spacing:.02em;margin-bottom:10px}
h1{font-size:36px;line-height:1.15;letter-spacing:-.03em;font-weight:800;color:var(--text);margin-bottom:10px}
.page-desc{color:var(--sub);font-size:15px;line-height:1.7;max-width:640px}

.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{padding:7px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:12.5px;font-weight:700;color:var(--text);transition:border-color .15s ease,color .15s ease}
.chip:hover{border-color:var(--accent);color:var(--accent)}

.section-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px}
.section-head h2{font-size:15px;letter-spacing:-.01em;font-weight:800;color:var(--text)}
.empty-state{border:1px dashed var(--line);border-radius:var(--radius);padding:40px 20px;text-align:center;color:var(--sub);font-size:13.5px}

.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;min-height:134px;display:flex;flex-direction:column;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}
.card:hover{transform:translateY(-3px);border-color:#d4d4d8;box-shadow:0 4px 8px rgba(24,24,27,.04),0 16px 28px rgba(24,24,27,.08)}
.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.num{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font-size:11.5px;font-weight:800}
.ext{color:var(--sub);font-size:12px;font-weight:700}
.card h3{font-size:16px;margin-bottom:7px;font-weight:800;color:var(--text)}
.card p{color:var(--sub);font-size:12.5px;line-height:1.55;margin-top:auto}

.back-row{margin-top:20px}
.back-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:999px;background:var(--dark);color:#fff;font-size:13px;font-weight:700}
.back-btn:hover{opacity:.85}

.site-footer{margin-top:64px;padding-top:24px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;color:var(--sub);font-size:12px;font-weight:600}
.site-footer a:hover{color:var(--accent)}

.consent-banner{display:none;position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(24,24,27,.08);padding:16px 24px;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.consent-banner.show{display:flex}
.consent-text{font-size:12.5px;color:var(--sub);flex:1;min-width:220px;max-width:640px}
.consent-text a{color:var(--text);font-weight:700}
.consent-actions{display:flex;gap:8px;flex:none}
.consent-btn{border-radius:999px;padding:9px 18px;font-size:13px;font-weight:700;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--text)}
.consent-btn.accept{background:var(--dark);color:#fff;border-color:var(--dark)}
.consent-btn:hover{opacity:.85}
@media(max-width:600px){.consent-banner{flex-direction:column;align-items:stretch;text-align:center}.consent-actions{justify-content:center}}

@media(max-width:900px){
  .topbar{padding:0 16px}
  .menu{gap:2px}
  .menu a{padding:8px 9px;font-size:12.5px}
  .page{padding:28px 16px 80px}
  h1{font-size:27px}
  .cards{grid-template-columns:1fr}
}

.article-wrap{max-width:720px}
.article-head{margin-bottom:8px}
.article-meta{color:var(--sub);font-size:12px;margin-top:10px}
.article-toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:24px 0 36px;font-size:13px;box-shadow:var(--shadow)}
.article-toc h2{font-size:11px;color:var(--sub);letter-spacing:.08em;margin-bottom:10px;font-weight:800}
.article-toc ol{padding-left:18px;display:grid;gap:7px}
.article-toc a{color:var(--text);font-weight:700}
.article-toc a:hover{color:var(--accent)}
.article-section{margin-bottom:36px;scroll-margin-top:84px}
.article-section h2{font-size:19px;border-left:3px solid var(--accent);padding-left:12px;margin-bottom:14px;letter-spacing:-.02em;color:var(--text);font-weight:800}
.article-section h3{font-size:14.5px;margin:18px 0 8px;font-weight:800;color:var(--text)}
.article-section p{color:#3f3f46;font-size:14.5px;line-height:1.85;margin-bottom:10px}
.article-section ul,.article-section ol{padding-left:20px;color:#3f3f46;font-size:14.5px;line-height:1.85;margin-bottom:10px}
.article-note{background:var(--accent-soft);border-radius:var(--radius);padding:14px 18px;font-size:13.5px;color:#1e3a5f;line-height:1.7}

.book{margin-top:16px}
.book-viewport{position:relative;overflow:hidden;perspective:1800px;transition:height .35s ease;min-height:200px}
.book-viewport.no-anim,.book-viewport.no-anim .book-page{transition:none!important}
.book-page{
  position:absolute;top:0;left:0;width:100%;
  opacity:0;pointer-events:none;z-index:1;
  transform-origin:left center;
  transform:rotateY(100deg);
  backface-visibility:hidden;
  transition:transform .55s cubic-bezier(.45,.05,.55,.95),opacity .4s ease,box-shadow .55s ease;
}
.book-page.before-active{transform:rotateY(-100deg)}
.book-page.active{
  transform:rotateY(0deg);opacity:1;pointer-events:auto;z-index:3;
  box-shadow:-20px 0 30px -22px rgba(24,24,27,.35);
}

.book-cover{padding:48px 24px;text-align:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.book-cover h1{margin:0 0 8px}
.book-cover-meta{color:var(--sub);margin:0 0 24px}
.book-toc{list-style:none;padding:0;margin:0 0 24px;display:flex;flex-direction:column;gap:6px;text-align:left;max-width:360px;margin-left:auto;margin-right:auto}
.book-toc button{width:100%;text-align:left;background:var(--accent-soft);border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:14px;color:var(--text);cursor:pointer}
.book-toc button:hover{border-color:var(--accent)}
.book-toc-index{color:var(--sub);margin-right:8px;font-variant-numeric:tabular-nums}

.book .article-section{padding:32px 28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);min-height:260px;margin-bottom:0}
.book .article-section img{max-width:100%;height:auto;border-radius:8px;margin:12px 0;display:block}
.book .article-section a{color:var(--accent);text-decoration:underline}
.book-page .chip-row{margin-top:20px}

.article-section table,.rte-editor table{border-collapse:collapse;width:100%;margin:12px 0;font-size:13.5px}
.article-section td,.article-section th,.rte-editor td,.rte-editor th{border:1px solid var(--line);padding:8px 10px;text-align:left}
.article-section th,.rte-editor th{background:var(--accent-soft);font-weight:800}
.article-section s,.rte-editor s{opacity:.7}

.rte-wrap{margin-top:6px}
.rte-toolbar{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:8px}
.rte-toolbar button{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:6px 10px;font-size:13px;color:var(--text);cursor:pointer}
.rte-toolbar button:hover{border-color:var(--accent);color:var(--accent)}
.rte-toolbar button:disabled{opacity:.5;cursor:default}
.rte-editor{min-height:180px;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:13.5px;line-height:1.7;background:#fff}
.rte-editor:focus{outline:none;border-color:var(--accent)}
.rte-editor img{max-width:100%;height:auto;border-radius:8px;margin:8px 0}
.rte-editor p{margin:0 0 8px}
.rte-editor ul,.rte-editor ol{padding-left:20px;margin:0 0 8px}

.book-nav{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:20px}
.book-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);color:var(--text);font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow)}
.book-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}
.book-btn:disabled{opacity:.35;cursor:default}
.book-indicator{display:flex;flex-direction:column;align-items:center;gap:8px;min-width:80px}
.book-indicator-text{font-size:13px;color:var(--sub);font-variant-numeric:tabular-nums}
.book-dots{display:flex;gap:6px;max-width:220px;overflow-x:auto;padding:2px}
.book-dot{width:7px;height:7px;border-radius:50%;background:var(--line);border:none;padding:0;flex:none;cursor:pointer}
.book-dot.active{background:var(--accent);width:18px;border-radius:4px;transition:width .15s ease}

@media(prefers-reduced-motion:reduce){
  .book-page{transition:opacity .2s ease;transform:none!important}
  .book-viewport{transition:none}
}

@media(max-width:900px){
  .book-viewport{perspective:1000px}
  .book-cover{padding:32px 16px}
  .book .article-section{padding:24px 18px;min-height:200px}
  .book-btn{width:38px;height:38px;font-size:16px}
}
@media(max-width:900px){.article-wrap h1{font-size:26px}}

.form-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;margin-top:28px;max-width:520px}
.form-box label{display:block;font-weight:700;font-size:13px;margin:14px 0 6px}
.form-box label:first-child{margin-top:0}
.form-box input,.form-box textarea,.form-box select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 12px;font-size:13.5px;font-family:inherit;color:var(--text);background:#fff}
.form-box input:focus,.form-box textarea:focus,.form-box select:focus{outline:none;border-color:var(--accent)}
.form-box textarea{min-height:140px;resize:vertical;line-height:1.6}
.form-box button{margin-top:16px;border:0;border-radius:999px;background:var(--dark);color:#fff;padding:12px 20px;font-weight:700;font-size:13.5px;cursor:pointer}
.form-box button:hover{opacity:.88}
.hp-field{position:absolute;left:-9999px;top:-9999px}
.msg-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:12px}
.msg-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.msg-meta{color:var(--sub);font-size:12px;margin:6px 0 10px}
.msg-body{white-space:pre-wrap;line-height:1.7;font-size:14px;color:#3f3f46}
.admin-filter{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:20px 0 24px;max-width:640px}
.admin-filter input,.admin-filter select{flex:1;min-width:140px;border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-size:13px;font-family:inherit;background:#fff;color:var(--text)}
.admin-filter input:focus,.admin-filter select:focus{outline:none;border-color:var(--accent)}
.admin-filter button{border:0;border-radius:999px;background:var(--dark);color:#fff;padding:9px 18px;font-size:13px;font-weight:700;cursor:pointer}
.msg-delete{border:1px solid #fecaca;background:#fef2f2;color:#dc2626;border-radius:8px;padding:5px 10px;font-size:11.5px;font-weight:700;cursor:pointer;flex-shrink:0}
.msg-delete:hover{background:#fee2e2}
.msg-logout{border:1px solid var(--line);background:#fff;color:var(--sub);border-radius:999px;padding:9px 16px;font-size:12.5px;font-weight:700;cursor:pointer}
.msg-logout:hover{color:var(--text);border-color:#d4d4d8}
.dash-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px;margin-top:20px}
.dash-stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;text-align:center;transition:transform .15s ease,border-color .15s ease}
.dash-stat:hover{transform:translateY(-2px);border-color:#d4d4d8}
.dash-stat strong{display:block;font-size:28px;font-weight:800;color:var(--text)}
.dash-stat span{display:block;margin-top:4px;color:var(--sub);font-size:12.5px;font-weight:700}

.game-wrap{max-width:460px;margin:0 auto;text-align:center}
.game-wrap .label{margin-left:auto;margin-right:auto}
.game-wrap h1{font-size:28px}
.game-wrap .page-desc{margin-left:auto;margin-right:auto}
.game-hud{display:flex;justify-content:center;gap:28px;margin:18px 0 14px;font-size:13px;color:var(--sub)}
.game-hud strong{color:var(--text);font-size:17px;font-weight:800}
#game{border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);background:#0f172a;max-width:100%;height:auto}
.game-hint{margin-top:14px;color:var(--sub);font-size:13px;min-height:18px}

.legal-body{max-width:680px;margin-top:8px}
.legal-body h2{font-size:16px;margin:26px 0 8px;font-weight:800;color:var(--text)}
.legal-body p{color:#3f3f46;font-size:14px;line-height:1.85;margin-bottom:4px}
.legal-body ul{padding-left:20px;color:#3f3f46;font-size:14px;line-height:1.85;margin-bottom:4px}
.legal-body a{color:var(--accent);font-weight:600}
.legal-updated{margin-top:28px;color:var(--sub);font-size:12px}