:root{--ui-ink:#1c302b;--ui-muted:#61746b;--ui-accent:#23735a;--ui-line:#dfe5dc;--ui-paper:#fbfbf8;--ui-font:Pretendard,"Apple SD Gothic Neo","Noto Sans KR",system-ui,sans-serif;--ui-header-height:80px}
.site-header{position:sticky;top:0;z-index:5;min-height:var(--ui-header-height);padding:16px 30px;background:var(--ui-paper);border-bottom:1px solid var(--ui-line);display:flex;align-items:center;justify-content:space-between;gap:24px;font-family:var(--ui-font)}
.site-header .app-brand{display:flex;align-items:center;gap:12px;flex-shrink:0;color:var(--ui-ink);text-decoration:none;font-size:17px;font-weight:800;letter-spacing:-.04em;line-height:1.3}
.site-header .app-mark{display:flex;align-items:center;justify-content:center;flex:none;width:40px;height:40px;border-radius:10px;background:var(--ui-accent);color:#fff;font-size:25px;font-weight:800;line-height:1;letter-spacing:0}
.site-header .app-brand small{display:block;font-size:11px;font-weight:500;letter-spacing:0;color:var(--ui-muted);margin-top:4px}
.site-header nav{display:flex;gap:6px;flex-wrap:wrap;min-width:0}.site-header nav a{display:flex;align-items:center;justify-content:center;min-height:42px;padding:8px 13px;border-radius:7px;color:var(--ui-muted);font-size:13px;font-weight:700;text-decoration:none;white-space:nowrap}.site-header nav a:hover{background:#edf1e9;color:var(--ui-ink)}.site-header nav a[aria-current=page]{background:#e5eee5;color:#1d624b}
:focus-visible{outline:3px solid #408a69;outline-offset:3px}html{scroll-padding-top:calc(var(--ui-header-height) + 16px)}.skip-link{position:fixed;left:16px;top:-80px;z-index:10;background:#fff;padding:12px}.skip-link:focus{top:12px}body.preview-open{overflow:hidden}
.source-dialog{padding:0;border:1px solid var(--ui-line);border-radius:14px;width:min(1200px,calc(100vw - 32px));height:calc(100dvh - 48px);max-height:940px;max-width:none;background:#f5f4ef;color:var(--ui-ink);overflow:hidden;overscroll-behavior:contain;box-shadow:0 18px 60px #132c3540}.source-dialog[open]{display:flex;flex-direction:column}.source-dialog::backdrop{background:#172e2bd0}.preview-toolbar{display:flex;align-items:center;gap:16px;padding:12px 18px;background:#fbfbf8;border-bottom:1px solid var(--ui-line);flex:none;font:14px/1.5 var(--ui-font)}.preview-toolbar strong{flex:1;min-width:0}.preview-toolbar a{font-size:12px;white-space:nowrap;color:var(--ui-accent)}.preview-toolbar button{background:var(--ui-accent);color:#fff;border:0;border-radius:7px;padding:10px 14px;min-height:44px;cursor:pointer;font:700 13px var(--ui-font);white-space:nowrap}.source-dialog iframe{border:0;width:100%;flex:1;min-height:0;background:var(--ui-paper)}.preview-image{overflow:auto;flex:1;padding:20px;min-height:0;background:#e6e9e1}.preview-image img{display:block;max-width:100%;height:auto;margin:auto;background:#fff}.source-dialog [hidden]{display:none!important}.embedded-reader .site-header,.embedded-reader .skip-link{display:none}.embedded-reader{--ui-header-height:0px}
.source-actions,.links{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 4px}.source-actions a,.links a,.source-box>a,.source-hit>a{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:8px 12px;margin:4px 6px 4px 0;border:1px solid var(--ui-line);border-radius:7px;background:#fbfbf8;color:var(--ui-accent);font-size:13px;line-height:1.5;font-weight:650;text-decoration:none}.source-actions a:hover,.links a:hover,.source-box>a:hover,.source-hit>a:hover{background:#eaf1e6;border-color:#aac1ae}
.ocr-document{max-width:920px;margin:0 auto;padding:28px 24px 60px;font:16px/1.8 var(--ui-font);color:var(--ui-ink)}.ocr-document h1{font-size:26px;line-height:1.4}.ocr-document pre,.page-text{white-space:pre-wrap;overflow-wrap:anywhere;font-family:var(--ui-font);font-size:18px;line-height:1.85;color:var(--ui-ink);background:#fff;border:1px solid var(--ui-line);padding:32px;max-width:76ch;margin:20px auto;border-radius:8px}
@media(max-width:1000px){:root{--ui-header-height:120px}.site-header{align-items:flex-start;flex-direction:column;gap:10px;padding:14px 24px}.site-header nav{width:100%}.site-header nav a{padding:8px 11px}.reader-toolbar{scroll-margin-top:140px}}
@media(max-width:620px){:root{--ui-header-height:160px}.site-header{padding:12px 16px;gap:8px}.site-header .app-brand{font-size:16px}.site-header nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px}.site-header nav a{font-size:12px;padding:7px 4px;white-space:normal;min-height:36px}.site-header .app-mark{width:36px;height:36px;font-size:24px}.source-dialog{width:calc(100vw - 12px);height:calc(100dvh - 12px);border-radius:10px}.preview-toolbar{flex-wrap:wrap;gap:8px;padding:10px 12px}.preview-toolbar strong{flex-basis:60%;font-size:13px}.preview-toolbar button{margin-left:auto}.preview-toolbar a{order:3;width:100%}.preview-image{padding:10px}.ocr-document{padding:20px 16px}.ocr-document pre,.page-text{padding:20px;font-size:17px}.reader-toolbar{top:var(--ui-header-height)!important}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*::before,*::after{animation:none!important;transition:none!important}}
.resource-menu{position:relative}.resource-menu>summary{list-style:none;cursor:pointer;min-height:42px;display:flex;align-items:center;gap:6px;padding:8px 13px;border-radius:7px;color:var(--ui-muted);font-size:13px;font-weight:700}.resource-menu>summary::after{content:'▾';font-size:10px}.resource-menu>summary::-webkit-details-marker{display:none}.resource-menu[open]>summary{background:#e5eee5;color:#1d624b}.resource-menu>div{position:absolute;right:0;top:calc(100% + 8px);width:190px;padding:8px;border:1px solid var(--ui-line);border-radius:10px;background:var(--ui-paper);box-shadow:0 10px 30px #19342920}.resource-menu>div a{justify-content:flex-start}.resource-menu>summary:hover{background:#edf1e9}.site-header nav .resource-menu:has(a[aria-current=page])>summary{background:#e5eee5;color:#1d624b}@media(max-width:620px){:root{--ui-header-height:160px}.resource-menu>summary{font-size:12px;min-height:36px;justify-content:center;padding:7px 4px}.resource-menu>div{right:auto;left:0}}

.practice-menu-toggle{display:none}.practice-active{--ui-header-height:64px}.practice-active .site-header{min-height:64px;height:64px;padding:10px 24px;flex-direction:row;align-items:center;gap:12px}.practice-active .app-brand small{display:none}.practice-active .site-header .app-mark{width:34px;height:34px;font-size:23px}.practice-active .site-header nav{display:none}.practice-active .practice-menu-toggle{display:block;min-height:40px;padding:8px 14px;border:1px solid var(--ui-line);border-radius:8px;color:var(--ui-accent);background:var(--ui-paper);font:700 13px var(--ui-font);cursor:pointer}.practice-active.practice-nav-open .site-header nav{display:flex;flex-wrap:wrap;position:absolute;top:100%;left:0;right:0;width:100%;padding:12px 20px;background:var(--ui-paper);border-bottom:1px solid var(--ui-line);box-shadow:0 8px 20px #19342915}.practice-active .resource-menu>div{right:0;left:auto}@media(max-width:620px){.practice-active .site-header{padding:10px 16px}.practice-active .app-brand{font-size:15px}.practice-active.practice-nav-open .site-header nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));padding:10px 16px}}

.site-header nav{flex:1;justify-content:flex-end}.nav-countdown{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;justify-content:center;gap:3px;min-width:132px;padding:2px 0 2px 16px;border-left:1px solid var(--ui-line);font-variant-numeric:tabular-nums;white-space:nowrap}.nav-countdown strong{font-size:18px;color:var(--ui-accent);line-height:1.2}.nav-countdown span{font-size:10px;color:var(--ui-muted)}.nav-countdown[hidden]{display:none}@media(max-width:1200px) and (min-width:1001px){.site-header{flex-wrap:wrap}.site-header nav{flex-basis:100%}}@media(max-width:620px){.nav-countdown{grid-column:2/-1;flex-direction:row;align-items:center;gap:10px;padding:8px 0;border:0;min-width:0}.nav-countdown strong{font-size:16px}.site-header nav{justify-content:normal}}

@media(max-width:620px){:root:not(.practice-active):not(.embedded-reader){--ui-header-height:188px}}

@media(max-width:620px){
  :root:not(.embedded-reader){--ui-header-height:64px}
  .site-header{height:64px;min-height:64px;padding:10px 16px;flex-direction:row;align-items:center}
  .site-header .app-brand small{display:none}
  .site-header nav{display:none}
  .practice-menu-toggle,.practice-active .practice-menu-toggle{display:block;min-height:44px;padding:8px 14px;border:1px solid var(--ui-line);border-radius:8px;color:var(--ui-accent);background:var(--ui-paper);font:700 13px var(--ui-font);cursor:pointer}
  .practice-nav-open .site-header nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));position:absolute;top:100%;left:0;right:0;width:100%;padding:10px 16px;background:var(--ui-paper);border-bottom:1px solid var(--ui-line);box-shadow:0 8px 20px #19342915}
  .site-header nav a,.resource-menu>summary{min-height:44px;font-size:14px}
  .practice-nav-open .site-header nav{max-height:calc(100dvh - 64px);overflow-y:auto;overscroll-behavior:contain}
}