:root{--bg:#f7f5f0;--card:#fff;--ink:#2c2c2c;--muted:#666;--line:#dedbd4;--green:#2d7551}
*{box-sizing:border-box}[hidden]{display:none!important}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 -apple-system,"PingFang TC","Noto Sans TC",sans-serif}
.wrap{max-width:1280px;margin:auto}header{background:var(--card);border-bottom:1px solid var(--line);padding:18px 24px}
h1{margin:0;font-size:1.4rem}.sub{margin:4px 0 0;color:var(--muted);font-size:.9rem}
nav{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}nav button{font:inherit;font-size:.9rem;padding:6px 14px;border:1px solid var(--line);border-radius:99px;background:transparent;color:var(--muted);cursor:pointer}
nav button.on{background:var(--ink);border-color:var(--ink);color:white}
button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:3px solid #2b6cb0;outline-offset:2px}
.controls{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:14px}.controls input[type=search],.controls select{font:inherit;font-size:.9rem;min-height:38px;padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:var(--card);min-width:0}.controls input[type=search]{flex:0 1 16rem}.controls label{display:inline-flex;align-items:center;gap:6px;font-size:.9rem}.controls input[type=checkbox]{width:18px;height:18px;margin:0;accent-color:var(--green)}
main{padding:20px 24px 0}.info{margin:0 0 14px;color:var(--muted);font-size:.9rem}
.gate,.msg{margin:0 0 14px;padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:var(--card)}.msg{border-color:#e3b17b;background:#fdf2e6;color:#92511d}.gate p{margin:0 0 8px}
.book{display:flex;flex-direction:column;height:16rem;margin-bottom:10px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--card);overflow:hidden}.heading{display:flex;align-items:flex-start;gap:5px 10px;height:3em;flex:none}.rank{color:var(--muted);font-size:.8rem;font-weight:700;font-variant-numeric:tabular-nums}.title{flex:1;min-width:0;font-weight:600;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.heading .badge,.heading .small,.rank{flex:none;white-space:nowrap}.author{flex:none;height:1.4em;margin:3px 0 0 38px;color:var(--muted);font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.meta{flex:none;display:flex;align-items:center;flex-wrap:nowrap;gap:6px;overflow-x:auto;scrollbar-width:thin;white-space:nowrap}.meta>*{flex:none}.links{flex:none;display:flex;align-items:center;flex-wrap:wrap;gap:7px;white-space:normal}.links>*{flex:none}.meta{margin:8px 0 0 38px;font-size:.85rem}.badge{border-radius:99px;padding:2px 9px;background:#e8f3ed;color:#276347;font-size:.8rem}.badge.specified{background:#fdf2e6;color:#92511d}.badge.series{background:#e9eef7;color:#2b4a7a}.badge.rec{background:#2d7551;color:white}.small{color:var(--muted);font-size:.8rem}
.book.nonum .author,.book.nonum .meta,.book.nonum .links{margin-left:0}
.links{margin:auto 0 0 38px;padding-bottom:2px}.link{white-space:nowrap}.link{display:inline-block;padding:5px 10px;border:1px solid currentColor;border-radius:7px;font-size:.85rem;font-weight:600;text-decoration:none;color:#2b6cb0;background:transparent;font-family:inherit;cursor:pointer}.link:first-child{color:white;background:#2b6cb0;border-color:#2b6cb0}.link.ce{color:#a45a19}.link.ce:first-child{color:white;background:#a45a19;border-color:#a45a19}.link.ol-borrow,.link.archive{color:var(--green)}.link.ol-borrow:first-child,.link.archive:first-child{color:white;background:var(--green);border-color:var(--green)}.link.epic{color:#62666c}.link.epic:first-child{color:white;background:#62666c;border-color:#62666c}.link.yt{color:#c0392b}.link.yt:first-child{color:white;background:#c0392b;border-color:#c0392b}.link.ce-course{color:#a45a19}.link.ce-course:first-child{color:#733f10;background:#f8e5d0;border-color:#f8e5d0}
.rec-info{margin:0 0 14px;padding:10px 16px;border:1px solid var(--line);border-radius:10px;background:var(--card);font-size:.9rem}.rec-info summary{cursor:pointer;font-weight:600}.rec-info p{margin:8px 0 0;color:var(--muted)}.rec-info b{color:var(--ink)}
.pager{display:flex;align-items:center;justify-content:center;gap:14px;margin:18px 0}.pager button{font:inherit;padding:9px 16px;border:1px solid var(--line);border-radius:8px;background:var(--card);cursor:pointer}.pager button:disabled{opacity:.4;cursor:default}
.legend{margin:20px 0 0;padding:14px 16px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--muted);font-size:.9rem;line-height:1.8}.legend p{margin:0 0 8px}.legend p:last-child{margin-bottom:0}.legend b{color:var(--ink)}
footer{padding:10px 24px 50px;color:var(--muted);font-size:.8rem}.credit{text-align:center}
@media(min-width:1100px){#list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 12px;align-items:start}#list>:not(.book){grid-column:1/-1}.book{height:13.5rem}}
@media(max-width:480px){header,main,footer{padding-left:16px;padding-right:16px}h1{font-size:1.2rem}.controls input[type=search]{flex:1 1 100%;width:100%}.author,.meta,.links{margin-left:0}.book{height:18rem}}