/* Library (web/js/48-library.js): catalogue, book page, upload form, management, online reader */
.lib .lb-tabs .cnt,.lib .lb-seg .cnt{display:inline-grid;place-items:center;min-width:20px;height:18px;padding:0 6px;border-radius:9px;background:var(--red);color:var(--red-ink);font-size:11px;font-weight:800;margin-inline-start:4px}
.lib .lb-seg{flex-wrap:nowrap}
.lib .lb-tabs button{display:inline-flex;align-items:center;gap:7px}
.lb-ic{display:inline-flex;align-items:center;gap:4px}
.lib .lb-seg button{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px}

/* covers */
.lb-cov{position:relative;display:block;aspect-ratio:2/3;width:100%;border-radius:8px;overflow:hidden;background:linear-gradient(150deg,hsl(var(--h),32%,30%),hsl(calc(var(--h) + 40),38%,16%));box-shadow:0 6px 18px rgba(0,0,0,.28),inset 0 0 0 1px rgba(255,255,255,.06)}
.lb-cov img{width:100%;height:100%;object-fit:cover;display:block}
.lb-cov::after{content:"";position:absolute;inset:0 auto 0 0;width:7px;background:linear-gradient(90deg,rgba(0,0,0,.28),rgba(255,255,255,.07) 60%,transparent)}
.lb-cov-ph{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:space-between;padding:14% 12% 12% 16%;color:#F6EFE9}
.lb-cov-ph b{font-family:var(--f-display);font-size:clamp(13px,1.15vw + 6px,19px);line-height:1.15;font-weight:400;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.lb-cov-ph i{font-style:normal;font-size:11.5px;opacity:.85;border-top:1px solid rgba(255,255,255,.3);padding-top:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lb-cov.sm{width:52px;flex:none;border-radius:5px}.lb-cov.sm .lb-cov-ph{padding:6px}.lb-cov.sm .lb-cov-ph b{font-size:8px}.lb-cov.sm .lb-cov-ph i{display:none}
.lb-cov.lg{width:170px}
.lb-cov.xl{width:220px;flex:none}

/* cards and grids */
.lb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:18px 14px}
.lb-card{display:flex;flex-direction:column;gap:8px;cursor:pointer;min-width:0;border-radius:10px;padding:6px;margin:-6px;transition:background .15s}
.lb-card:hover,.lb-card:focus-visible{background:var(--hover)}
.lb-card:hover .lb-cov{transform:translateY(-2px)}
.lb-card .lb-cov{transition:transform .2s var(--ease)}
.lb-card-b{display:flex;flex-direction:column;gap:3px;min-width:0;font-size:13px}
.lb-t{font-weight:600;font-size:14px;line-height:1.3;color:var(--fg);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-align:start;overflow-wrap:anywhere}
.lb-card-m{gap:6px;align-items:center;min-height:16px}
.lb-fmts{display:flex;flex-wrap:wrap;gap:4px}
.lb-fmts span,.lb-fmt{font-size:10.5px;font-weight:700;letter-spacing:.03em;padding:2px 6px;border-radius:4px;background:var(--panel-3);color:var(--muted);border:1px solid var(--line-soft)}
.lb-card .tag{align-self:flex-start;margin-top:2px}
.lb-strip{display:grid;grid-auto-flow:column;grid-auto-columns:140px;gap:14px;overflow-x:auto;padding:6px 6px 10px;margin:-6px}
.lb-stars{display:inline-flex;gap:1px;line-height:1}
.lb-st{font-size:var(--s);color:var(--line-strong)}
.lb-st.on{color:#E2A93B}
.lb-st.half{background:linear-gradient(90deg,#E2A93B 50%,var(--line-strong) 50%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lb-prog{display:block;height:5px;border-radius:3px;background:var(--panel-3);overflow:hidden}
.lb-prog i{display:block;height:100%;background:linear-gradient(90deg,var(--red),var(--ember));border-radius:3px;transition:width .2s}
.lb-prog-l{font-size:12px}

/* catalogue */
.lb-cat{display:grid;grid-template-columns:240px minmax(0,1fr);gap:16px;align-items:start}
.lb-secs{position:sticky;top:calc(var(--hdr,0px) + 12px);display:flex;flex-direction:column;padding:8px;max-height:calc(100vh - 140px);overflow:auto}
.lb-secs-h{display:flex;align-items:center;gap:6px;padding:6px 10px 8px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--faint)}
.lb-sec{display:flex;justify-content:space-between;gap:8px;align-items:center;padding:8px 10px;border-radius:8px;text-align:start;color:var(--fg-soft);font-size:14px}
.lb-sec:hover{background:var(--hover)}
.lb-sec.on{background:var(--panel-3);color:var(--fg);font-weight:600;box-shadow:inset 3px 0 0 var(--red)}
.lb-sec.sub{padding-inline-start:24px;font-size:13.5px}
.lb-main{gap:16px;min-width:0}
.lb-filters{gap:12px}
.lb-search{display:flex;gap:8px;align-items:center;position:relative}
.lb-search .input{flex:1;padding-inline-start:38px;min-width:0}
.lb-search-i{position:absolute;inset-inline-start:12px;top:50%;transform:translateY(-50%);color:var(--faint);display:flex;pointer-events:none}
.lb-frow{gap:8px;align-items:center}
.lb-frow .select{width:auto;min-width:0;max-width:100%}
.lb-years{gap:4px;align-items:center}
.lb-years .input{width:84px}
.lb-secsel{display:none;margin:0}
.lb-count{justify-content:space-between;align-items:baseline;gap:10px}
.lb-count h2{margin:0;font-size:20px;min-width:0;overflow-wrap:anywhere}

/* my books */
.lb-bm{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:12px 14px}
.lb-q{display:block;font-style:italic;color:var(--muted);font-size:13px;line-height:1.45;quotes:"«" "»";display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lb-note{margin:0;font-size:13px}
.lb-bmrow{display:flex;gap:8px;align-items:center;padding:8px 0;border-top:1px solid var(--line-soft)}
.lb-bmrow:first-of-type{border-top:0}

/* upload form */
.lb-drop{display:flex;align-items:center;gap:14px;padding:18px;border:1.5px dashed var(--line-strong);border-radius:var(--r-l);cursor:pointer;color:var(--muted);transition:all .15s}
.lb-drop>span{display:flex;flex-direction:column;gap:2px}
.lb-drop b{color:var(--fg)}
.lb-drop:hover,.lb-drop.over,.lb-drop:focus-visible{border-color:var(--red-hi);background:var(--hover);color:var(--fg)}
.lb-file{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--line-soft);border-radius:var(--r-m);background:var(--panel-2);min-width:0;flex-wrap:wrap}
.lb-file.up{opacity:.8}
.lb-addgrid{display:grid;grid-template-columns:190px minmax(0,1fr);gap:20px;align-items:start}
.lb-covbox{gap:10px;position:sticky;top:calc(var(--hdr,0px) + 12px)}
.lb-row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.lb-row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.lb-row3 .span2{grid-column:span 2}
.lb-addgrid .field{margin:0}
.lb-req{color:var(--danger)}

/* management */
.lb-stats{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:10px}
.lb-stat{display:flex;flex-direction:column;gap:2px;padding:12px;align-items:flex-start;text-align:start;color:var(--muted);font-size:12.5px}
.lb-stat b{font-size:22px;color:var(--fg);line-height:1.2}
button.lb-stat{cursor:pointer}
button.lb-stat:hover{border-color:var(--line-strong)}
.lb-stat.on{border-color:var(--red-hi);box-shadow:inset 0 0 0 1px var(--red-hi);color:var(--fg)}
.lb-qrow{display:flex;gap:12px;align-items:center;padding:12px}
.lb-qacts{gap:6px;flex:none;justify-content:flex-end}
.lb-secadm{gap:0}
.lb-secrow{display:flex;gap:8px;align-items:center;padding:10px 4px;border-top:1px solid var(--line-soft)}
.lb-secrow:first-child{border-top:0}
.lb-secrow.sub{padding-inline-start:26px;position:relative}
.lb-secrow.sub::before{content:"";position:absolute;inset-inline-start:10px;top:0;bottom:50%;width:9px;border-inline-start:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong)}

/* book page */
.lb-book{gap:16px}
.lb-banner{display:flex;gap:12px;align-items:center;padding:12px 16px;border-color:var(--warn);background:var(--warn-soft);color:var(--fg)}
.lb-banner.danger{border-color:var(--danger);background:var(--danger-soft)}
.lb-banner>svg{flex:none;color:var(--warn)}.lb-banner.danger>svg{color:var(--danger)}
.lb-hero{display:flex;gap:28px;padding:24px;align-items:flex-start}
.lb-info{gap:12px;min-width:0;flex:1}
.lb-h{margin:0;font-size:clamp(24px,2.4vw + 8px,36px);line-height:1.12;overflow-wrap:anywhere}
.lb-authors{gap:6px;font-size:16px;font-weight:600}
.lb-acts{gap:8px;align-items:center}
.lb-shelf .select{height:40px;width:auto}
.lb-fav.on{color:var(--red-hi)}
.lb-meta{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:6px 18px;margin:4px 0 0;font-size:14px}
.lb-meta dt{color:var(--faint)}
.lb-meta dd{margin:0;overflow-wrap:anywhere}
.lb-desc{margin:0;white-space:pre-wrap;line-height:1.65;color:var(--fg-soft)}
.lb-revform{display:flex;flex-direction:column;gap:10px;padding:14px}
.lb-rate{display:flex;gap:2px}
.lb-rate button{font-size:28px;line-height:1;color:var(--line-strong);padding:2px;transition:transform .1s,color .1s}
.lb-rate button.on{color:#E2A93B}
.lb-rate button:hover{transform:scale(1.12)}
.lb-revs{padding:4px 14px}
.lb-rev{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line-soft);align-items:flex-start}
.lb-rev:first-child{border-top:0}

/* ---------- reader ---------- */
html.rd-open,html.rd-open body{overflow:hidden}
.rd{position:fixed;inset:0;z-index:60;display:flex;flex-direction:column;--rd-bg:#FBF8F3;--rd-fg:#22201D;--rd-muted:#6B655E;--rd-line:#E6DFD5;--rd-panel:#FFFFFF;background:var(--rd-bg);color:var(--rd-fg)}
.rd[data-theme="sepia"]{--rd-bg:#F4EAD5;--rd-fg:#3B2F22;--rd-muted:#76654F;--rd-line:#E2D3B5;--rd-panel:#FAF2E1}
.rd[data-theme="gray"]{--rd-bg:#3A3D42;--rd-fg:#E4E3E0;--rd-muted:#A7A9AC;--rd-line:#4E5258;--rd-panel:#2F3236}
.rd[data-theme="night"]{--rd-bg:#0E0D0C;--rd-fg:#C9C2B8;--rd-muted:#857E75;--rd-line:#26231F;--rd-panel:#181614}
.rd .faint{color:var(--rd-muted)}
.rd .iconbtn{color:var(--rd-fg)}
.rd .iconbtn:hover{background:color-mix(in srgb,var(--rd-fg) 9%,transparent)}
.rd .btn-secondary,.rd .btn-ghost{color:var(--rd-fg);border-color:var(--rd-line);background:transparent}
.rd-top{display:flex;align-items:center;gap:4px;padding:6px 10px;border-bottom:1px solid var(--rd-line);background:var(--rd-bg);flex:none}
.rd-ttl{flex:1;min-width:0;gap:0;padding:0 6px;line-height:1.25}
.rd-ttl b{font-size:14.5px}.rd-ttl span{font-size:12.5px}
.rd-scroll{flex:1;overflow-y:auto;overscroll-behavior:contain;scroll-behavior:auto}
.rd-text{max-width:var(--rd-w);margin:0 auto;padding:36px 24px 20px;font-size:var(--rd-size);line-height:var(--rd-lh);font-family:Georgia,'PT Serif','Noto Serif',Cambria,'Times New Roman',serif;overflow-wrap:break-word;hyphens:auto;-webkit-hyphens:auto}
.rd[data-font="sans"] .rd-text{font-family:var(--f-body)}
.rd-text p{margin:0 0 .2em;text-indent:1.5em;text-align:justify}
.rd-text h1,.rd-text h2,.rd-text h3,.rd-text h4{font-family:inherit;text-align:center;line-height:1.25;margin:1.4em 0 .9em;text-indent:0;font-weight:700}
.rd-text h1{font-size:1.6em}.rd-text h2{font-size:1.35em}.rd-text h3{font-size:1.15em}.rd-text h4{font-size:1em;font-style:italic}
.rd-text h1:first-child,.rd-text h2:first-child{margin-top:.3em}
.rd-text blockquote{margin:1em 0 1em 2em;font-style:italic;color:var(--rd-muted)}
.rd-text blockquote p{text-indent:0}
.rd-text hr{border:0;border-top:1px solid var(--rd-line);margin:1.6em 20%}
.rd-text sup{font-size:.7em;color:var(--rd-muted)}
.rd-text table{border-collapse:collapse;margin:1em 0;font-size:.9em}.rd-text td,.rd-text th{border:1px solid var(--rd-line);padding:4px 8px}
.rd-text pre{white-space:pre-wrap;font-size:.85em}
.rd-text ::selection{background:color-mix(in srgb,#E2A93B 45%,transparent)}
.rd-nav{max-width:var(--rd-w);margin:0 auto;padding:20px 24px 60px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.rd-foot{display:flex;align-items:center;gap:10px;padding:8px 16px calc(8px + env(safe-area-inset-bottom));border-top:1px solid var(--rd-line);flex:none}
.rd-foot .lb-prog{flex:1;background:var(--rd-line)}
.rd-shade{position:absolute;inset:0;background:rgba(0,0,0,.25);z-index:1}
.rd-panel{position:absolute;inset-block:0;inset-inline-end:0;width:min(360px,92vw);z-index:2;background:var(--rd-panel);color:var(--rd-fg);border-inline-start:1px solid var(--rd-line);padding:18px 16px;overflow-y:auto;box-shadow:-10px 0 30px rgba(0,0,0,.18);display:flex;flex-direction:column;gap:12px}
.rd-panel h3{margin:0;padding-inline-end:40px}
.rd-panel label{color:var(--rd-muted)}
.rd-panel .seg{background:transparent;border-color:var(--rd-line)}
.rd-panel .seg button{color:var(--rd-muted)}
.rd-panel .seg button.on{background:color-mix(in srgb,var(--rd-fg) 10%,transparent);color:var(--rd-fg);box-shadow:none}
.rd-px{position:absolute;top:12px;inset-inline-end:10px}
.rd-toc{gap:2px}
.rd-toc>button{text-align:start;padding:9px 10px;border-radius:8px;font-size:14px;display:flex}
.rd-toc>button:hover{background:color-mix(in srgb,var(--rd-fg) 7%,transparent)}
.rd-toc>button.on{background:color-mix(in srgb,var(--rd-fg) 11%,transparent);font-weight:700}
.rd-mk{display:flex;gap:6px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--rd-line)}
.rd-mk>button:first-child{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px;text-align:start;font-size:13.5px}
.rd-mk .lb-q{color:var(--rd-muted)}
.rd-themes{gap:8px;flex-wrap:wrap}
.rd-th{display:grid;place-items:center;flex:1;min-width:70px;height:40px;border-radius:9px;border:1px solid var(--rd-line);font-size:13px;font-weight:600}
.rd-th[data-th="paper"]{background:#FBF8F3;color:#22201D}.rd-th[data-th="sepia"]{background:#F4EAD5;color:#3B2F22}.rd-th[data-th="gray"]{background:#3A3D42;color:#E4E3E0}.rd-th[data-th="night"]{background:#0E0D0C;color:#C9C2B8}
.rd-th.on{outline:2px solid var(--red-hi);outline-offset:2px}
.rd-pdf{background:#525659}
.rd-frame{flex:1;width:100%;border:0;background:#525659}

/* ---------- smaller screens ---------- */
@media (max-width:1100px){.lb-stats{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:900px){
 .lb-cat{grid-template-columns:minmax(0,1fr)}
 .lb-secs{display:none}
 .lb-secsel{display:block}
 .lb-hero{gap:18px;padding:18px}
 .lb-cov.xl{width:160px}
}
@media (max-width:640px){
 .lb-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}
 .lb-hero{flex-direction:column;align-items:center;text-align:center}
 .lb-hero .lb-info{align-items:center;width:100%}
 .lb-authors,.lb-acts{justify-content:center}
 .lb-meta{text-align:start;width:100%}
 .lb-cov.xl{width:150px}
 .lb-addgrid{grid-template-columns:minmax(0,1fr)}
 .lb-covbox{position:static;flex-direction:row;align-items:flex-end}
 .lb-covbox>b{display:none}
 .lb-cov.lg{width:110px}
 .lb-row2{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
 .lb-row3{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
 .lb-qrow{flex-wrap:wrap}
 .lb-qacts{width:100%;justify-content:flex-start}
 .lb-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
 .lb-bm{flex-direction:column;align-items:stretch}
 .lb-frow .select{flex:1 1 calc(50% - 8px)}
 .lb-years{flex:1 1 100%;min-width:0}.lb-years .input{flex:1;width:auto;min-width:0}
 .rd-text{padding:24px 18px 16px}
 .rd-text p{text-align:start}
 .lb-file{flex-wrap:nowrap;gap:8px}
 .lb-file .btn{padding-inline:10px}
}