*{box-sizing:border-box}body{margin:0;background:#f3f6fa;color:#17243b;font:16px/1.6 system-ui,-apple-system,'Malgun Gothic',sans-serif}button,input,textarea,select{font:inherit}button,.button{display:inline-block;border:1px solid #ccd6e3;background:white;border-radius:9px;padding:9px 15px;cursor:pointer;text-decoration:none;color:#20334f;font-weight:600}button:hover,.button:hover{background:#edf3fc}button:disabled{opacity:.45;cursor:default}.primary{background:#1749a0;color:white;border-color:#1749a0}.primary:hover{background:#123b80}.danger{color:#a92c40}a{color:#1749a0}input,textarea,select{width:100%;padding:10px;border:1px solid #c4cede;border-radius:8px;background:white;color:#17243b}label{display:block;font-weight:600;margin:10px 0}textarea{resize:vertical}.eb-header{background:#102c55;color:white;display:flex;justify-content:space-between;align-items:center;padding:20px max(24px,calc((100vw - 1180px)/2));gap:16px}.eb-header a{color:white;text-decoration:none;font-weight:750}.eb-header span{font-weight:400;font-size:14px;display:block;color:#c0d2f1}main{max-width:1228px;padding:32px 24px;margin:auto}.heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:26px}.heading small{font-weight:750;color:#3467aa;letter-spacing:2px}.heading h1{font-size:32px;line-height:1.3;margin:8px 0}.heading p{color:#5c6d83;margin:0}.heading nav{display:flex;gap:8px;flex-wrap:wrap}.tools{display:flex;gap:10px;align-items:center;margin-bottom:22px;flex-wrap:wrap}.tools input{max-width:340px}.tools label{display:flex;align-items:center;gap:10px;margin:0}.tools select{width:auto}.book-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.book{border:1px solid #dae2ed;background:white;border-radius:16px;overflow:hidden;box-shadow:0 6px 18px #152e5910}.cover{background:linear-gradient(135deg,#143761,#2162a2);color:white;padding:25px 26px 26px 34px;min-height:210px;border-left:9px solid #0c2647;display:flex;flex-direction:column;justify-content:space-between}.book:nth-child(3n+2) .cover{background:linear-gradient(135deg,#0c4748,#21797c);border-left-color:#053133}.book:nth-child(3n+3) .cover{background:linear-gradient(135deg,#4a315c,#816194);border-left-color:#30203d}.cover small{font-size:12px;opacity:.8}.cover h2{font-size:24px;line-height:1.4;margin:18px 0;overflow-wrap:anywhere}.cover span{font-size:10px;letter-spacing:2px;opacity:.7}.book-body{padding:22px}.badge{display:inline-block;padding:4px 10px;background:#edf1f7;border-radius:20px;color:#536079;font-size:13px;font-weight:750}.badge.approved{background:#ddf3eb;color:#12664c}.description{white-space:pre-wrap;overflow-wrap:anywhere;color:#4b5c72;font-size:14px}.meta,.hint{font-size:13px;color:#617189;overflow-wrap:anywhere}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.actions button{font-size:14px;padding:7px 10px}.panel{background:white;border:1px solid #dae2ed;border-radius:14px;padding:24px}.empty{grid-column:1/-1;text-align:center;padding:60px}.pager{display:flex;justify-content:center;gap:16px;align-items:center;margin:26px 0}.pager span{font-size:14px}.table-scroll{overflow:auto}table{width:100%;border-collapse:collapse;min-width:790px;font-size:14px}th,td{padding:14px 12px;text-align:left;border-bottom:1px solid #e1e7ef;vertical-align:top}th{background:#f2f5fa;color:#506078}td small{display:block;color:#66768c;white-space:pre-wrap;max-width:280px;overflow-wrap:anywhere}dialog{width:min(600px,calc(100vw - 32px));border:0;border-radius:18px;padding:30px;max-height:90vh;overflow:auto;box-shadow:0 24px 100px #09213e55}dialog::backdrop{background:#10233d88}.close{float:right;border:0;font-size:24px;padding:0 8px}dialog h2{margin:0 0 20px}.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}#ebook-message{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#133d65;color:white;padding:14px 24px;border-radius:12px;z-index:200;max-width:90vw}#ebook-message.error{background:#932b3e}.reader h1{font-size:24px;margin:0}.reader-top{display:flex;justify-content:space-between;gap:20px;align-items:center}.reader-top p{font-size:13px;color:#64738a}.reader-tools{display:flex;gap:10px;align-items:center;flex-wrap:wrap;background:white;border:1px solid #d4dfed;border-radius:12px;padding:12px;margin:12px 0;position:sticky;top:0;z-index:2}.reader-tools form{display:flex;gap:8px;align-items:center}.reader-tools input{width:75px}.reader-tools label{display:flex;gap:6px;align-items:center;font-size:13px;margin:0}.reader-tools select{width:130px}.paper-stage{overflow:auto;padding:20px 0;text-align:center;min-height:200px}.paper-stage canvas{background:white;box-shadow:0 6px 28px #1b345126;max-width:none}#render-status{font-size:13px;color:#65768c}@media(max-width:950px){.book-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.heading{display:block}.heading nav{margin-top:20px}}@media(max-width:620px){.book-grid{grid-template-columns:1fr}main{padding:24px 16px}.heading h1{font-size:27px}.eb-header{padding:16px}.two{grid-template-columns:1fr}.reader-top{display:block}.reader-tools{gap:7px;padding:8px}.reader-tools button{padding:7px 10px}.reader-tools form{gap:4px}.reader-tools input{width:62px}.reader-tools select{width:120px}.panel{padding:16px}}@media print{body{display:none}}

.reader-search{background:#fff;border:1px solid #ccdcee;border-radius:12px;padding:15px 18px;margin:12px 0}
.reader-search form{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.reader-search form label{margin:0;white-space:nowrap}.reader-search input{flex:1 1 180px;min-width:0;max-width:440px}.reader-search [hidden]{display:none!important}
#ebook-search-status{font-size:13px;color:#526982;margin-top:9px}#ebook-search-results{margin-top:12px;padding-top:12px;border-top:1px solid #e0e8f2}.search-navigation{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:14px}#ebook-search-results>label{font-size:13px;margin:10px 0 5px}#ebook-search-select{max-width:100%;min-width:0;text-overflow:ellipsis}#ebook-search-snippet{font-size:14px;overflow-wrap:anywhere;margin:10px 0 0;background:#f5f8fc;padding:10px;border-radius:8px}#ebook-search-snippet mark{background:#ffe68a;color:#17243b;padding:1px 3px;border-radius:3px}
@media(max-width:620px){.reader-search{padding:12px}.reader-search form label{width:100%}.reader-search input{flex-basis:100%;max-width:none}.search-navigation{gap:8px}.search-navigation button{padding:7px 10px}}

/* Let portrait readers use the viewport; horizontal pan is only for zoomed pages. */
.paper-stage{max-width:100%;-webkit-overflow-scrolling:touch}.reader{min-width:0}.reader-tools{max-width:100%}
@media(max-width:620px){.reader-tools{position:static}.paper-stage{padding:12px 0}.reader-top h1{overflow-wrap:anywhere}}

/* Fullscreen fallback also works when the browser cannot hide its own chrome. */
body.ebook-wide-open{overflow:hidden}
#ebook-app.ebook-wide{position:fixed;inset:0;z-index:1000;max-width:none;width:100%;height:100%;height:100dvh;margin:0;padding:8px max(8px,env(safe-area-inset-right)) 8px max(8px,env(safe-area-inset-left));background:#e8edf4;overflow:auto;overscroll-behavior:contain}
#ebook-app.ebook-wide .reader-top{display:none}
#ebook-app.ebook-wide .reader-tools{position:sticky;top:0;margin-top:0}
#ebook-app.ebook-wide .paper-stage{padding:8px 0}
.paper-stage canvas{display:block;margin:0 auto;image-rendering:auto}
#reader-quality{width:95px}