@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700&display=swap');
:root{--ink:#181818;--line:#e9e9e9;--green:#a7dd39;--deep:#557b16;--mint:#87c5b3;--wrap:1150px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:14px/1.65 'Noto Sans KR',sans-serif}a{color:inherit;text-decoration:none;cursor:pointer}button,input,textarea{font:inherit}.wrap{width:min(var(--wrap),calc(100% - 44px));margin:auto}.site-header{background:#fff;position:relative;z-index:20}.header-tools{height:125px;display:flex;align-items:center;justify-content:center;position:relative}.wordmark,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;justify-content:center}.wordmark img{display:block;width:74px;height:auto}.drawer-logo img{display:block;width:68px;height:auto}.footer-logo img{display:block;width:50px;height:auto;opacity:.72}.icon-button,.menu-button{border:0;background:none;cursor:pointer}.icon-button{position:absolute;left:0;top:48px;padding:8px}.search-icon{display:block;width:14px;height:14px;border:1.5px solid;border-radius:50%;position:relative}.search-icon:after{content:'';position:absolute;width:6px;border-top:1.5px solid;transform:rotate(48deg);right:-5px;bottom:-3px}.member-links{position:absolute;right:0;top:51px;display:flex;gap:20px;font-size:12px;color:#777}.menu-button{display:none}.desktop-nav{height:66px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.nav-inner{height:100%;display:flex;align-items:center;justify-content:center;gap:80px}.nav-inner>a,.nav-group>a{display:block;padding:21px 4px;font-weight:500}.nav-group{height:100%;position:relative}.submenu{display:none;position:absolute;z-index:5;top:65px;left:50%;transform:translateX(-50%);min-width:160px;background:#fff;padding:12px 0;box-shadow:0 7px 22px #00000015;text-align:center}.submenu a{display:block;padding:8px 15px;color:#666}.submenu a:hover{color:var(--deep)}.nav-group:hover .submenu{display:block}.search-panel{position:fixed;z-index:60;inset:0 0 auto;background:#fff;border-bottom:1px solid #ddd;padding:45px 20px;transform:translateY(-110%);transition:.25s}.search-panel.open{transform:none}.search-panel>div{max-width:680px;margin:auto;display:flex}.search-panel input{flex:1;border:0;border-bottom:2px solid #111;padding:14px;font-size:18px;outline:0}.search-submit{border:0;background:#111;color:#fff;padding:0 28px}.search-close{border:0;background:none;font-size:30px;margin-left:15px}.mobile-drawer,.drawer-backdrop{display:none}
.home{padding-top:100px}.home-section{width:min(var(--wrap),calc(100% - 44px));margin:auto}.section-heading{font-size:25px;margin:0 0 30px;letter-spacing:-1px}.new-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:30px}.book-tile{cursor:pointer}.book-tile img{display:block;width:100%;aspect-ratio:3/4.05;object-fit:cover;border:1px solid #eee}.book-tile h3{font-size:15px;font-weight:500;margin:14px 0 0}.author-banner{display:block;position:relative;background:var(--green);overflow:hidden;aspect-ratio:280/436}.author-banner img{display:block;width:100%;height:100%;object-fit:cover}.feature{margin-top:150px;background:var(--mint);display:grid;grid-template-columns:45% 55%;min-height:430px;align-items:center;overflow:hidden}.feature img{width:100%;max-height:430px;object-fit:contain}.feature-copy{text-align:center;padding:28px 38px;font-size:23px;line-height:1.8;word-break:keep-all}.feature-video{display:block;width:100%;max-width:560px;aspect-ratio:16/9;height:auto;margin:18px auto 0;border:0}.play{display:inline-grid;place-items:center;width:66px;height:66px;border-radius:50%;background:#111b;color:#fff;margin-top:20px}.board-sections{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:110px 0}.board-heading{display:flex;align-items:end;justify-content:space-between;border-bottom:2px solid #222;padding-bottom:16px}.board-heading h2{font-size:22px;margin:0}.board-heading a{font-size:11px;color:#888}.mini-row{padding:17px 3px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px}.mini-row span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mini-row time{font-size:12px;color:#aaa;flex:none}.page{width:min(var(--wrap),calc(100% - 44px));margin:auto;padding:75px 0 120px}.page-title{font-size:28px;margin:0 0 35px;padding-bottom:22px;border-bottom:2px solid #222}.filters{display:flex;gap:28px;justify-content:center;margin:0 0 45px;flex-wrap:wrap}.filters button{border:0;background:none;color:#777;cursor:pointer;padding:5px}.filters button.active{color:var(--deep);font-weight:600;border-bottom:2px solid var(--green)}.books-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:55px 30px}.books-grid .book-tile{text-align:center}.book-category{color:#999;font-size:12px}.board{border-top:2px solid #222}.board .mini-row{padding:19px 12px}.board .mini-row span:before{content:'공지';font-size:10px;color:#fff;background:var(--deep);padding:3px 6px;margin-right:12px}.contact{display:grid;grid-template-columns:1fr 1.25fr;gap:90px}.contact h2{font-size:30px;margin-top:0}.contact label{display:block;margin-bottom:18px}.contact input,.contact textarea{display:block;width:100%;border:1px solid #ddd;padding:13px;margin-top:6px}.contact button{border:0;background:#222;color:#fff;padding:14px 35px}.detail-head{display:grid;grid-template-columns:330px 1fr;gap:70px;align-items:start}.detail-head img{width:100%}.detail-head h1{font-size:30px;margin:0 0 8px}.detail-body{margin-top:70px;border-top:1px solid #222;padding-top:35px;line-height:1.9}.detail-body table{width:100%;border-collapse:collapse}.detail-body td{padding:18px;border-bottom:1px solid #eee;vertical-align:top}.detail-body td:first-child{width:180px;font-weight:600}footer{background:#f5f5f5;padding:45px 0;color:#777;font-size:11px}.footer-grid{display:grid;grid-template-columns:150px 1fr auto;gap:45px;align-items:start}.footer-logo:after{font-size:34px}.company p{margin:0 0 4px}.company i{border-left:1px solid #bbb;margin:0 10px}.copyright{text-align:right}
@media(max-width:780px){.wrap{width:calc(100% - 36px)}.header-tools{height:76px}.wordmark img{width:54px}.icon-button,.member-links,.desktop-nav{display:none}.menu-button{display:block;position:absolute;left:0;padding:5px}.menu-button i{display:block;width:22px;border-top:1px solid;margin:5px}.drawer-backdrop{position:fixed;z-index:39;inset:0;background:#0007}.drawer-backdrop.open{display:block}.mobile-drawer{display:block;position:fixed;z-index:40;left:-300px;top:0;width:280px;height:100dvh;background:#fff;padding:45px 28px;transition:.25s}.mobile-drawer.open{left:0}.mobile-drawer>a{display:block;padding:15px 2px;border-bottom:1px solid #eee}.mobile-drawer .drawer-logo{border:0;margin-bottom:25px}.drawer-close{position:absolute;right:18px;top:12px;border:0;background:none;font-size:28px}.home{padding-top:55px}.section-heading{font-size:21px}.new-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 15px}.book-tile{min-width:0}.book-tile h3{word-break:keep-all}.author-banner{grid-column:1/-1;width:min(280px,100%);min-height:0;margin:auto}.feature{margin-top:75px;display:block;min-height:0}.feature img{display:block}.feature-copy{font-size:17px;padding:30px 20px}.board-sections{grid-template-columns:1fr;gap:55px;padding:75px 0}.page{padding:50px 0 80px}.books-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:38px 15px}.contact,.detail-head{grid-template-columns:1fr;gap:35px}.detail-head img{max-width:320px;margin:auto}.footer-grid{grid-template-columns:1fr}.copyright{text-align:left}.footer-logo{display:none}}

.admin-page{width:min(1450px,calc(100% - 48px))}.admin-login{max-width:460px;margin:60px auto;padding:45px;border:1px solid var(--line);text-align:center}.admin-login button,.admin-submit{border:0;background:#202020;color:#fff;padding:13px 24px;cursor:pointer}.admin-message{min-height:24px;color:#9b331f}.admin-tabs{display:flex;gap:8px;margin-bottom:25px;flex-wrap:wrap}.admin-tabs a{padding:10px 18px;border:1px solid #ddd}.admin-tabs a.active{background:#202020;color:#fff;border-color:#202020}.admin-bar{display:flex;justify-content:space-between;align-items:center;background:#f6f6f6;padding:14px 18px;margin-bottom:30px}.admin-bar button,.admin-posts button{border:1px solid #ccc;background:#fff;padding:7px 13px;cursor:pointer}.admin-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(340px,1fr);gap:40px;align-items:start}.admin-form{border:1px solid #ddd;padding:28px}.admin-form h2,.admin-posts h2{margin-top:0}.admin-form label{display:block;margin-bottom:17px;font-weight:600}.admin-form input,.admin-form select,.admin-form textarea{display:block;width:100%;margin-top:6px;padding:11px;border:1px solid #ccc;font-weight:400}.admin-field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.admin-submit:disabled{opacity:.55}.admin-posts{border-top:2px solid #222;padding-top:20px}.admin-post-list{max-height:720px;overflow-y:auto;padding-right:8px}.admin-posts h2 small{font-size:12px;color:#888}.admin-posts article{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:14px 0;border-bottom:1px solid #eee}.admin-posts article div{min-width:0}.admin-posts article strong,.admin-posts article small{display:block}.admin-posts article small{color:#999;margin-top:4px}.admin-existing-label{flex:none;color:#999;font-size:11px}
@media(max-width:780px){.admin-page{width:calc(100% - 36px)}.admin-layout{grid-template-columns:1fr}.admin-field-grid{grid-template-columns:1fr}.admin-form{padding:20px}.admin-bar{align-items:flex-start;gap:15px}.admin-bar span{overflow-wrap:anywhere}.admin-post-list{max-height:440px}}
/* Editable sales reports (administrator only) */
.sales-admin-page{width:min(1450px,calc(100% - 48px))}.sales-admin-form{border:1px solid #ddd;padding:28px;background:#fff}.sales-admin-title,.sales-edit-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.sales-admin-title h2,.sales-edit-heading h3{margin:0}.sales-admin-title p{margin:5px 0 0;color:#777}.sales-admin-form>label{display:block;margin:22px 0;font-weight:600}.sales-admin-form input,.sales-admin-form textarea{display:block;width:100%;margin-top:6px;padding:11px;border:1px solid #ccc;font-weight:400}.sales-edit-block{margin-top:35px}.sales-edit-heading{margin-bottom:10px}.sales-edit-heading button,.row-action button{border:1px solid #ccc;background:#fff;padding:7px 11px;cursor:pointer}.sales-table-scroll{overflow-x:auto}.sales-edit-block table{width:100%;border-collapse:collapse}.sales-edit-block th,.sales-edit-block td{min-width:120px;padding:11px;border:1px solid #ddd}.sales-edit-block th{background:#eee}.sales-edit-block [contenteditable=true]:focus{outline:2px solid var(--green);outline-offset:-2px;background:#fbfff4}.sales-edit-block .row-action{min-width:42px;width:42px;padding:5px;text-align:center}.sales-edit-block .row-action button{border:0;color:#a33;font-size:18px}@media(max-width:780px){.sales-admin-page{width:calc(100% - 24px)}.sales-admin-form{padding:18px}.sales-admin-title{align-items:flex-start;flex-direction:column}.sales-admin-title .admin-submit{width:100%}}