:root{color-scheme:dark;--bg:#151719;--side:#111315;--surface:#1e2124;--raised:#272b2f;--text:#ecece7;--muted:#a4a8aa;--faint:#858b8f;--line:#33383c;--accent:#d9c8a7;--accent-ink:#29251e;--danger:#ff9d9d;--focus:#bcd3f0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button,a,label.toolbar-image{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{border:0;color:inherit;background:none}input,textarea,select{background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:11px 13px;min-width:0;width:100%}input::placeholder,textarea::placeholder{color:var(--faint)}textarea{resize:vertical;line-height:1.8}select{cursor:pointer}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible,summary:focus-visible,label:focus-within,input:focus-visible,select:focus-visible,textarea:focus-visible,.rich-editor:focus-visible{outline:2px solid var(--focus);outline-offset:4px}h1,h2,h3,p{margin-top:0}h1{font-weight:600;letter-spacing:.02em}h2{font-size:20px;font-weight:550}h3{font-size:15px;font-weight:500}p{line-height:1.7}.icon{width:20px;height:20px;flex-shrink:0;vertical-align:middle}.muted{color:var(--muted)}.small{font-size:13px}.sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.skip{position:fixed;left:10px;top:-60px;padding:12px;background:var(--accent);color:var(--accent-ink);z-index:100}.skip:focus{top:10px}
.sidebar{position:fixed;inset:0 auto 0 0;width:232px;background:var(--side);border-right:1px solid #25292c;padding:40px 20px 24px;display:flex;flex-direction:column;overflow:auto}.brand{display:flex;gap:14px;align-items:center;margin:0 12px 52px;font-size:25px;letter-spacing:.14em}.brand>.icon{width:29px;height:29px;color:var(--accent)}.brand small{display:block;font-size:11px;letter-spacing:.07em;color:var(--muted);margin-top:6px}.nav-caption{margin:0 12px 12px;color:var(--faint);font-size:12px}.nav-item{width:100%;padding:12px;display:flex;gap:12px;align-items:center;text-align:left;border-radius:8px;font-size:14px;color:var(--muted);min-height:44px;margin-bottom:4px}.nav-item:hover{background:#202326;color:var(--text)}.nav-item.selected{background:#292c2e;color:var(--accent)}.nav-count{margin-left:auto;font-size:12px;font-variant-numeric:tabular-nums}.tag-nav{margin-top:35px}.tag-dot{width:6px;height:6px;border:1px solid currentColor;border-radius:50%;margin:0 7px}.sidebar-bottom{margin-top:auto;padding-top:35px}.owner{display:flex;align-items:center;gap:12px;border-top:1px solid #25292c;padding:22px 8px 0;margin-top:18px;font-size:13px}.avatar{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#3b3a34;color:var(--accent)}.owner small{display:block;color:var(--faint);font-size:11px;margin-top:5px}.guest-note{font-size:12px;color:var(--faint);padding:12px}.workspace{margin-left:232px;min-height:100vh;display:flex;flex-direction:column}main{padding:55px 64px 35px;width:100%;max-width:1600px;margin:0 auto;flex:1}main:focus{outline:0}.demo-banner{background:#272923;color:#c2c5b4;padding:9px 25px;text-align:center;font-size:12px;line-height:1.6}.page-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:36px}.eyebrow{font-size:12px;color:var(--muted);margin-bottom:13px}.page-heading h1{font-size:36px;margin-bottom:12px;line-height:1.45}.intro{font-size:14px;color:var(--muted);margin:0}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:11px 17px;border-radius:8px;font-size:14px;white-space:nowrap}.primary{background:var(--accent);color:var(--accent-ink);font-weight:600}.primary:hover{background:#e6d7ba}.secondary{background:var(--raised);border:1px solid var(--line);color:var(--text)}.secondary:hover{background:#343a3f}.text-button{display:inline-flex;gap:7px;align-items:center;min-height:38px;padding:7px 9px;font-size:13px;color:var(--muted);border-radius:6px}.text-button:hover{background:var(--raised);color:var(--text)}.danger{color:var(--danger)}.danger:hover{color:#ffc2c2}.full{width:100%;grid-column:1/-1}.shelf-controls{display:flex;align-items:center;gap:20px;margin-bottom:39px}.search-field{display:flex;align-items:center;gap:9px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:0 13px;color:var(--faint);min-width:0;max-width:360px;flex:1}.search-field input{border:0;background:none;padding:11px 0;outline:none}.search-field input:focus-visible{outline:none}.filter-controls{display:flex;align-items:center;gap:12px;margin-left:auto}.filter-controls select{font-size:13px;width:auto;min-width:110px;background:transparent;padding:11px 10px}.view-switch{display:flex;padding:3px;background:#1b1e21;border:1px solid var(--line);border-radius:8px;gap:3px}.view-switch button{width:35px;height:33px;color:var(--muted);border-radius:5px}.view-switch button[aria-pressed=true]{background:#373b3e;color:var(--text)}.filter-summary{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);margin:-15px 0 24px}.shelf-section{margin-bottom:45px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.section-heading h2{display:flex;gap:9px;align-items:center;margin:0;font-size:19px}.section-heading h2>span{font-family:inherit;font-size:12px;font-weight:400;color:var(--muted);padding-left:6px}.section-heading p{color:var(--faint);font-size:12px;margin:0}.book-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(134px,1fr));gap:29px;position:relative;padding-bottom:25px;border-bottom:1px solid #343638}.book-row:after{content:"";position:absolute;bottom:-5px;left:0;right:0;height:4px;background:#1e2022;box-shadow:0 9px 15px #0003}.book-card{width:100%;max-width:178px;text-align:left;padding:0;display:block;border-radius:2px;align-self:start}.book-card:focus-visible{outline-offset:9px}.cover{position:relative;aspect-ratio:2/3;width:100%;background:var(--cover-bg,#cec5b2);color:var(--cover-ink,#37372e);overflow:hidden;border-radius:2px 5px 5px 2px;box-shadow:2px 5px 12px #0004,inset 3px 0 3px #0003}.cover:after{content:"";position:absolute;inset:0;border-left:5px solid #00000012;box-shadow:inset 1px 0 1px #ffffff30;pointer-events:none}.cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.cover-fallback{height:100%;padding:13% 15% 11%;display:flex;flex-direction:column;position:relative}.cover-line{width:25px;height:2px;background:currentColor;margin:8% 0 14%;opacity:.7}.cover-title{font-family:"Songti SC","SimSun",serif;font-size:clamp(20px,1.9vw,29px);font-weight:600;letter-spacing:.09em;line-height:1.4;overflow-wrap:anywhere}.cover-author{font-size:10px;margin-top:14px;opacity:.85}.cover-mark{font-size:9px;letter-spacing:.2em;margin-top:auto;opacity:.7}.palette-0{--cover-bg:#a5b5ba;--cover-ink:#253b47}.palette-1{--cover-bg:#d5caae;--cover-ink:#3d382a}.palette-2{--cover-bg:#aeb79e;--cover-ink:#2a3828}.palette-3{--cover-bg:#824948;--cover-ink:#f8e9d4}.palette-4{--cover-bg:#d4cfc6;--cover-ink:#323742}.palette-5{--cover-bg:#c3a670;--cover-ink:#312b20}.palette-6{--cover-bg:#414e62;--cover-ink:#e9e5d9}.palette-7{--cover-bg:#d4b7a4;--cover-ink:#43302e}.palette-8{--cover-bg:#435c58;--cover-ink:#edecd7}.palette-9{--cover-bg:#bdb2bf;--cover-ink:#403246}.book-card:hover .cover{box-shadow:3px 6px 15px #0008;filter:brightness(1.07)}.book-caption{margin-top:15px}.book-caption h3{line-height:1.6;margin:0 0 5px;overflow-wrap:anywhere}.book-caption p{font-size:12px;color:var(--muted);margin:0 0 6px;line-height:1.6}.book-date{font-size:11px;color:var(--faint)}.spine{display:none}.spine-row{display:flex;gap:9px;flex-wrap:wrap;align-items:end}.spine-card{width:52px;max-width:52px;align-self:end}.spine-card .cover,.spine-card .book-caption{display:none}.spine-card .spine{display:flex;align-items:center;justify-content:center;width:100%;height:250px;padding:15px 7px;background:var(--cover-bg);color:var(--cover-ink);border-radius:3px 3px 1px 1px;box-shadow:inset 4px 0 4px #0002,3px 3px 8px #0004}.spine-card:nth-child(3n) .spine{height:231px}.spine-card:nth-child(4n) .spine{height:262px}.spine span{writing-mode:vertical-rl;font-family:"Songti SC","SimSun",serif;letter-spacing:.13em;line-height:1.5;max-height:100%;overflow:hidden}.spine-card:hover{filter:brightness(1.12)}.empty-state{text-align:center;padding:80px 20px;color:var(--muted)}.empty-state>.icon{width:46px;height:46px;color:var(--faint);margin-bottom:24px}.empty-state h2{color:var(--text)}.empty-state p{font-size:14px}.empty-state button{margin-top:15px}footer{border-top:1px solid #24282b;padding:23px 64px;color:var(--faint);font-size:11px;display:flex;gap:16px;max-width:1600px;width:100%;margin:auto}footer>span{color:var(--faint)}
.detail-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:36px;gap:15px}.save-actions{display:flex;align-items:center;gap:20px}.save-actions>span{font-size:12px;color:var(--muted)}.book-hero{display:flex;gap:34px;margin-bottom:44px;align-items:center}.book-hero>.cover{width:150px;flex-shrink:0}.large .cover-title{font-size:26px}.book-hero-copy h1{font-size:34px;line-height:1.5;margin:15px 0 10px}.book-hero-copy p{color:var(--muted);margin:0 0 10px}.isbn{color:var(--faint);font-size:12px}.status-pill{font-size:12px;color:var(--accent);border:1px solid #504a3e;padding:5px 10px;border-radius:5px;background:#29271f}.hero-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.hero-tags span{padding:4px 9px;background:var(--raised);color:var(--muted);font-size:12px;border-radius:5px}.detail-section{margin-bottom:38px;padding-top:28px;border-top:1px solid var(--line)}.detail-section .section-heading{margin-bottom:20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.record-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}label{display:flex;flex-direction:column;gap:8px;color:var(--muted);font-size:13px}.field-hint{font-size:12px;color:var(--faint);margin:-5px 0 0;line-height:1.6}.editor-box{border:1px solid var(--line);border-radius:9px;background:#1a1d20;overflow:hidden}.editor-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:4px;padding:8px 10px;border-bottom:1px solid var(--line);background:var(--surface)}.editor-toolbar button,.toolbar-image{height:32px;min-width:32px;display:flex;align-items:center;justify-content:center;border-radius:4px;padding:5px 8px;color:var(--muted);font-size:12px;cursor:pointer}.editor-toolbar button:hover,.toolbar-image:hover{background:var(--raised);color:var(--text)}.toolbar-divider{height:18px;border-left:1px solid var(--line);margin:0 5px}.editor-upload-state{font-size:11px;color:var(--muted)}.rich-editor{min-height:220px;padding:24px 30px;line-height:1.9;outline:0;overflow-wrap:anywhere}.rich-editor:empty:before{content:attr(data-placeholder);color:var(--faint);pointer-events:none}.rich-editor p:last-child{margin-bottom:0}.rich-editor h2,.rich-content h2{font-size:23px;line-height:1.6}.rich-editor h3,.rich-content h3{font-size:19px}.rich-editor blockquote{border-left:3px solid var(--accent);margin:16px 0;padding-left:20px;color:#c5c7c4}.rich-editor img,.rich-content img{max-width:100%;height:auto;border-radius:4px;display:block;margin:18px 0}.rich-editor a,.rich-content a{text-decoration:underline;color:var(--focus)}.excerpt{background:var(--surface);padding:24px 26px;border-radius:8px;margin-bottom:16px}.excerpt-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.excerpt-head>span{font-size:12px;color:var(--muted)}.excerpt-head .text-button{font-size:12px}.excerpt blockquote{margin:16px 0;font-family:"Songti SC","SimSun",serif;font-size:18px;line-height:1.9;border-left:2px solid var(--accent);padding-left:19px;overflow-wrap:anywhere}.excerpt-comment{border-top:1px solid var(--line);padding-top:16px;font-size:14px;color:var(--muted);line-height:1.9;overflow-wrap:anywhere}.excerpt-comment p:last-child{margin:0}.excerpt-empty{padding:30px;border:1px dashed var(--line);border-radius:8px;text-align:center;color:var(--faint);font-size:13px}.metadata{border-top:1px solid var(--line);padding-top:20px}.metadata summary{cursor:pointer;font-size:13px;color:var(--muted);min-height:35px}.metadata .form-grid{margin:15px 0}.cover-upload-label input{font-size:12px}.metadata>.danger{margin-top:10px}
dialog{border:1px solid #454a4f;border-radius:14px;padding:36px;background:#202427;color:var(--text);width:min(420px,calc(100vw - 32px));max-height:90vh;overflow:auto;box-shadow:0 25px 100px #0008}dialog::backdrop{background:#080a0dc9}dialog.wide-dialog{width:min(680px,calc(100vw - 32px))}dialog h2{font-size:24px;margin-bottom:12px;padding-right:24px;line-height:1.5}dialog>p{font-size:13px;margin-bottom:24px}.dialog-close{position:absolute;right:15px;top:15px}.icon-button{padding:9px;border-radius:6px;min-height:36px;min-width:36px;color:var(--muted)}.icon-button:hover{background:var(--raised)}.dialog-symbol{width:45px;height:45px;border-radius:12px;background:#34372f;color:var(--accent);display:grid;place-items:center;margin-bottom:20px}.form-error{color:var(--danger);font-size:13px;min-height:18px;margin:12px 0}.demo-login{width:100%;justify-content:center;margin-top:12px}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}.catalog-search{display:flex;gap:10px;margin:20px 0}.catalog-search .search-field{max-width:none}.catalog-list{max-height:270px;overflow:auto;margin:0 0 22px;border:1px solid var(--line);border-radius:8px}.catalog-item{display:flex;align-items:center;text-align:left;padding:12px;gap:14px;width:100%;border-bottom:1px solid var(--line)}.catalog-item:hover{background:var(--raised)}.catalog-item>img{width:34px;height:50px;object-fit:cover}.catalog-item>span{flex:1;min-width:0}.catalog-item strong{font-size:14px;font-weight:500;display:block}.catalog-item small{font-size:11px;display:block;color:var(--muted);margin-top:7px}.catalog-item>.icon:last-child{width:16px}.cover-upload{display:flex;align-items:center;gap:12px;margin-top:20px;flex-wrap:wrap}.cover-upload label{flex-direction:row;cursor:pointer}.source-note{font-size:11px!important;color:var(--faint);margin:22px 0 0!important}.source-note a{text-decoration:underline}.add-preview:empty{display:none}.add-preview{display:flex;gap:16px;align-items:center;margin:20px 0}.add-preview>.cover{width:65px}.add-preview .cover-title{font-size:13px}.add-preview .cover-author,.add-preview .cover-mark{font-size:6px}.add-preview>span{font-size:14px}.add-preview small{display:block;color:var(--muted);font-size:12px;margin-top:7px}#excerpt-form>label{margin:17px 0}#excerpt-form .rich-editor{min-height:145px}#notice{position:fixed;bottom:25px;left:calc(50% + 116px);transform:translateX(-50%);z-index:100;background:#e2dbc9;color:#29251e;box-shadow:0 5px 30px #0006;padding:13px 22px;border-radius:8px;font-size:14px;max-width:calc(100vw - 40px);display:none;line-height:1.6}#notice.visible{display:block}#notice.error{background:#f4c6c6;color:#521e1e}.startup-error{padding:80px}.startup-error button{background:var(--accent);color:var(--accent-ink);padding:12px;border-radius:8px}
.search-field{flex-direction:row}
.record-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.review-rating{max-width:210px;margin-bottom:20px}
.mobile-tag-filter{display:none}
@media(min-width:1500px){main{padding-left:80px;padding-right:80px}.book-row{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:35px}}
@media(max-width:1150px){.sidebar{width:200px;padding-left:14px;padding-right:14px}.workspace{margin-left:200px}main{padding:40px 35px}.book-row{gap:23px;grid-template-columns:repeat(auto-fill,minmax(125px,1fr))}.record-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-controls{gap:7px}.filter-controls select{min-width:95px}footer{padding:23px 35px}.page-heading h1{font-size:31px}#notice{left:calc(50% + 100px)}}
@media(max-width:820px){.sidebar{width:76px;padding:25px 10px}.brand{justify-content:center;margin:0 0 35px}.brand>span,.nav-caption,.sidebar .nav-item>.nav-count,.tag-nav,.owner,.guest-note{display:none}.sidebar .nav-item{font-size:0;justify-content:center;padding:12px}.sidebar .nav-item .icon{width:23px;height:23px}.sidebar-bottom{padding-top:20px}.workspace{margin-left:76px}main{padding:32px 25px}.shelf-controls{flex-wrap:wrap;gap:14px}.search-field{max-width:none;flex-basis:100%}.filter-controls{width:100%;margin:0}.view-switch{margin-left:auto}.section-heading p{display:none}.page-heading h1{font-size:28px}.book-row{gap:22px;grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.cover-title{font-size:23px}.book-hero-copy h1{font-size:28px}#notice{left:calc(50% + 38px)}}
@media(max-width:540px){.sidebar{position:static;width:100%;padding:14px 18px;border-right:0;border-bottom:1px solid var(--line);flex-direction:row;align-items:center;overflow:visible;gap:15px}.brand{margin:0;flex-shrink:0}.brand>.icon{width:24px;height:24px}.sidebar nav{display:flex;flex:1;gap:2px;min-width:0}.sidebar .nav-item{margin:0;padding:8px;min-height:36px}.sidebar-bottom{margin-left:auto;margin-top:0;padding:0;display:flex}.workspace{margin:0}main{padding:28px 20px}.page-heading{align-items:flex-start;margin-bottom:25px;gap:10px}.page-heading h1{font-size:26px}.page-heading .primary{font-size:0;padding:10px;min-width:40px}.page-heading .primary>.icon{width:20px;height:20px}.intro{font-size:12px}.eyebrow{font-size:11px;margin-bottom:9px}.demo-banner{font-size:10px;padding:7px 12px}.shelf-controls{margin-bottom:28px}.filter-controls select{font-size:12px;min-width:0;width:auto;max-width:120px}.book-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px}.book-card{max-width:none}.book-caption h3{font-size:14px}.cover-title{font-size:26px}.section-heading h2{font-size:18px}.spine-row{display:flex;gap:8px}.spine-card{width:44px;max-width:44px}.spine-card .spine{height:220px}.spine-card:nth-child(3n) .spine{height:205px}.spine-card:nth-child(4n) .spine{height:230px}.detail-top{margin-bottom:28px}.save-actions>span{display:none}.book-hero{gap:20px;margin-bottom:30px}.book-hero>.cover{width:102px}.book-hero-copy h1{font-size:23px;margin-top:12px}.book-hero-copy p{font-size:13px}.large .cover-title{font-size:20px}.hero-tags{margin-top:12px}.isbn{font-size:10px}.form-grid{grid-template-columns:1fr}.record-grid{grid-template-columns:1fr 1fr}.rich-editor{padding:20px;min-height:220px}.section-heading{gap:8px}.section-heading>.muted{display:none}.section-heading .secondary{font-size:12px;padding:8px 10px}.excerpt{padding:17px}.excerpt blockquote{font-size:17px}.excerpt-head{align-items:start}.excerpt-head>div{white-space:nowrap}.excerpt-head .text-button{padding:5px}dialog{padding:30px 22px}dialog h2{font-size:22px}footer{padding:20px}#notice{left:50%;bottom:15px}.catalog-search .secondary{padding:10px}.empty-state{padding:60px 10px}.startup-error{padding:30px}}
@media(prefers-reduced-motion:no-preference){button,.cover{transition:background-color .15s,box-shadow .15s,filter .15s}}
@media(max-width:820px){.sidebar .tag-nav{display:none}.filter-controls{flex-wrap:wrap}.mobile-tag-filter{display:block}}
.editor-box:focus-within{outline:2px solid var(--focus);outline-offset:3px}
.cover-title.long-title{font-size:20px;letter-spacing:0;overflow-wrap:normal;word-break:normal;line-height:1.4}
@media(max-width:540px){.sidebar{padding-left:12px;padding-right:12px;gap:8px}.sidebar .nav-item{min-height:44px;padding:10px}.editor-toolbar button,.toolbar-image{min-height:44px;min-width:44px}.view-switch button{width:44px;height:44px}.text-button{min-height:44px}}
@media(prefers-contrast:more){:root{--muted:#ced1d3;--faint:#bfc4c7;--line:#7d848b}.nav-item.selected{outline:1px solid var(--accent)}}
.spine-card .spine{position:relative;isolation:isolate;overflow:hidden}
.spine-art{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center}
.spine-card .spine:has(.spine-art){background:transparent;box-shadow:none}
.spine-card .spine:has(.spine-art)>span{display:none}
.spine-upload{display:flex;flex-direction:column;gap:12px;min-width:0}
.spine-upload .field-hint{margin:0}
#spine-preview img{display:block;max-width:100%;width:auto;height:180px;object-fit:contain}