:root{font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;color:#25334a;background:#f3f5f9;font-size:14px;--accent:#315efb;--line:#e3e8f0}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,summary{cursor:pointer}button{border:0;border-radius:8px;background:var(--accent);color:white;padding:11px 19px;font-weight:600}button:disabled{opacity:.5;cursor:wait}.secondary{border:1px solid var(--line);background:white;color:#42516b;padding:7px 12px;font-weight:500}input,select{border:1px solid #dce2ec;border-radius:7px;padding:11px;background:white;color:#25334a;min-width:0}input:focus,select:focus{outline:2px solid #b8c8ff;border-color:#668aff}[hidden]{display:none!important}.sidebar{width:230px;position:fixed;inset:0 auto 0 0;background:#101e35;padding:32px 20px;color:#dce6fa;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;color:white;text-decoration:none;font-size:26px}.brand span{font-size:18px;font-weight:600}.brand small{display:block;font-size:11px;font-weight:400;color:#879bbd;margin-top:5px;letter-spacing:2px}.section-label{color:#8297b8;font-size:11px;margin:47px 12px 13px;letter-spacing:2px}nav button{display:flex;align-items:center;gap:12px;text-align:left;width:100%;background:transparent;padding:13px 12px;margin:5px 0;font-weight:400;color:#ccd7e8}nav button:hover,nav button.active{background:#263958;color:white}nav button span.icon{font-size:12px;background:#244a47;color:#82dbb9;padding:7px;border-radius:6px;width:38px;text-align:center}nav small{display:block;color:#8b9ebc;font-size:11px;margin-top:5px}.sidebar-foot{margin-top:auto;font-size:11px;line-height:2;color:#9aaccc}.sidebar-foot small{display:block;font-size:10px}.dot{display:inline-block;width:6px;height:6px;background:#67d7ac;border-radius:50%;margin-right:6px}main{margin-left:230px;max-width:1700px;padding:43px 42px}header{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:29px}.eyebrow{color:#708099;letter-spacing:2.5px;font-size:10px;font-weight:600}h1{font-size:30px;margin:9px 0;font-weight:650;letter-spacing:-.7px}header p{color:#7b889c;font-size:13px;margin:0}.badge{white-space:nowrap;background:#e7edf9;color:#506487;padding:8px 11px;font-size:11px;border-radius:20px}.input-card{background:white;border:1px solid var(--line);border-radius:12px;padding:24px;box-shadow:0 3px 8px #17376803}label{font-size:12px;color:#65738b;display:block}.input-row{display:flex;gap:10px;margin:9px 0 13px}.input-row input{flex:1}.input-row button{white-space:nowrap}.input-row button span{margin-left:13px}.hint{font-size:11px;color:#8894a6;line-height:1.8}details{margin-bottom:10px}summary{font-size:11px;color:#7889a7}.options{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:15px}.options input{display:block;width:100%;margin-top:7px}.check{display:flex;align-items:center;gap:8px}.check input{width:auto;margin:0}.viewer-card{margin-top:23px;background:white;border:1px solid var(--line);border-radius:12px;overflow:hidden}.viewer-top{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:19px 24px;border-bottom:1px solid var(--line)}.file-info{display:flex;align-items:center;gap:13px;min-width:0}.file-info>div{min-width:0}.file-icon{font-size:23px;color:var(--accent);background:#edf1ff;border-radius:9px;padding:8px 12px}h2{font-size:14px;margin:0 0 5px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:580px}#file-meta{font-size:11px;color:#94a0b3}.viewer-actions{display:flex;gap:8px;flex-wrap:wrap}#content{height:650px;min-height:400px;overflow:auto;position:relative;background:#f9fafc}.empty{height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#8594ac;text-align:center}.empty-visual{font-size:64px;color:#adc2e8;background:linear-gradient(135deg,#f0f4fc,#e4ecfa);width:113px;height:123px;display:grid;place-items:center;border:1px solid #dce5f4;border-radius:16px;transform:rotate(-6deg);margin-bottom:14px}.empty h3{color:#4e5f7c;font-size:17px;font-weight:500;margin:10px}.empty p{font-size:12px}.format-pills{display:flex;gap:9px;margin-top:15px}.format-pills span{background:white;border:1px solid #e1e7f1;border-radius:5px;padding:5px 9px;font-size:10px;color:#8696b1}#status{padding:13px 24px;background:#edf3ff;color:#4771c0;font-size:12px;line-height:1.6}#status.error{background:#fff0ef;color:#b6463c}#toolbar{padding:12px 24px;border-bottom:1px solid var(--line)}#pdf-controls,#sheet-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap}#page{width:65px;padding:6px}#toolbar select{padding:7px}#pages,#sheet-page{font-size:12px;color:#6c7c93}.pdf-page{position:relative;margin:22px auto;box-shadow:0 2px 14px #25334a1c;background:white}.pdf-page canvas{display:block}.textLayer{z-index:2}.watermark{position:sticky;top:20%;height:0;z-index:4;text-align:center;pointer-events:none;color:#42668b2c;font-size:40px;transform:rotate(-22deg);white-space:pre-wrap;overflow-wrap:anywhere}.image-stage{min-height:100%;display:grid;place-items:center;padding:25px}.image-stage img{max-width:100%;max-height:590px;object-fit:contain;cursor:zoom-in}.image-stage img.expanded{max-width:none;max-height:none;cursor:zoom-out}.sheet-table{border-collapse:separate;border-spacing:0;font-size:12px;background:white;min-width:100%}.sheet-table th,.sheet-table td{border-right:1px solid #e5eaf2;border-bottom:1px solid #e5eaf2;padding:8px 10px;min-width:120px;max-width:420px;white-space:pre-wrap;overflow-wrap:anywhere;vertical-align:top}.sheet-table th{position:sticky;top:0;background:#eaf0f8;color:#60718c;font-weight:500;z-index:2}.sheet-table .row-num{position:sticky;left:0;min-width:48px;width:48px;text-align:center;background:#f0f4f9;color:#8c9bb1}.sheet-table tr:hover td{background:#f5f8ff}#notice{font-size:11px;color:#8d99aa;padding:12px 24px;border-top:1px solid var(--line);line-height:1.7}.text-preview{white-space:pre-wrap;overflow-wrap:anywhere;padding:25px;line-height:1.8;margin:0}footer{display:flex;justify-content:space-between;font-size:10px;color:#99a5b6;padding:18px 2px}.viewer-card:fullscreen{background:white;overflow:auto}.viewer-card:fullscreen #content{height:calc(100vh - 150px)}@media(max-width:1000px){.sidebar{width:190px}main{margin-left:190px;padding:30px 22px}.viewer-top{flex-wrap:wrap}.options{grid-template-columns:1fr 1fr}h2{max-width:400px}}@media(max-width:720px){.sidebar{position:relative;width:100%;padding:18px;display:block}.brand{font-size:22px}.section-label,.sidebar-foot{display:none}nav{display:flex;overflow:auto;margin-top:13px}nav button{width:auto;flex-shrink:0;padding:6px;gap:7px;font-size:11px}nav small{display:none}nav button span.icon{width:auto;padding:5px}main{margin:0;padding:22px 14px}header{gap:10px}h1{font-size:24px}.badge{font-size:10px;padding:6px}header p{font-size:11px}.input-card{padding:16px}.input-row{flex-direction:column}.options{grid-template-columns:1fr}.viewer-top{padding:16px}h2{max-width:260px}.viewer-actions{gap:5px}.viewer-actions button{font-size:11px}#content{height:560px}#toolbar{padding:10px}#pdf-controls{gap:5px}.format-pills{gap:5px}}

/* Standalone share links always show one document, without workspace navigation. */
.demo-breadcrumb{display:flex;justify-content:space-between;margin-bottom:24px}.demo-breadcrumb a{color:#586982;text-decoration:none}
body.reader{background:#edf0f5}.reader .sidebar,.reader .workspace-header,.reader .workspace-input,.reader .workspace-meta,.reader .demo-breadcrumb,.reader main>footer,.reader #copy-link,.reader #notice{display:none!important}.reader main{margin:0;padding:0;max-width:none;min-height:100dvh}.reader .viewer-card{margin:0;border:0;border-radius:0;min-height:100dvh;display:flex;flex-direction:column}.reader .viewer-top{padding:12px 20px;min-height:62px;flex-wrap:nowrap;background:white}.reader .file-icon{font-size:18px;padding:6px 9px}.reader h2{max-width:min(65vw,850px);font-size:13px;margin:0}.reader #toolbar{padding:9px 20px;background:#fff}.reader #content{height:calc(100dvh - 118px);flex:1;min-height:240px;background:#edf0f5}.reader #status{padding:10px 20px}.reader .pdf-page{margin:20px auto}.reader .viewer-actions{flex-wrap:nowrap}.reader .image-stage img{max-height:calc(100dvh - 100px)}.reader .viewer-card:fullscreen #content{height:calc(100dvh - 118px)}
.media-stage{display:flex;min-height:100%;align-items:center;justify-content:center;padding:24px;background:#111827}.media-stage video{max-width:100%;max-height:calc(100dvh - 140px)}.media-stage audio{width:min(100%,600px)}.document-text{max-width:860px;margin:24px auto;background:white;border-radius:8px;padding:42px;line-height:1.85;font-size:15px;color:#34435c}.document-text h1,.document-text h2{white-space:normal;max-width:none;overflow:visible;font-size:24px;line-height:1.5}.document-text pre{white-space:pre-wrap;overflow-wrap:anywhere;font-family:ui-monospace,monospace}.archive-table{width:100%;border-collapse:collapse}.archive-table td{padding:12px 6px;border-bottom:1px solid #e8edf4;overflow-wrap:anywhere}.archive-table td:last-child{text-align:right;white-space:nowrap;color:#8291a8}
@media(max-width:720px){.reader .viewer-top{padding:10px 12px;gap:8px;min-height:54px}.reader .file-info{gap:7px;flex:1}.reader .file-icon{display:none}.reader h2{max-width:calc(100vw - 160px);font-size:12px}.reader .viewer-actions button{padding:6px 8px;white-space:nowrap}.reader #toolbar{padding:8px 10px}.reader #pdf-controls{gap:6px}#page{width:44px}.reader #pdf-controls button{padding:6px 9px}#zoom{max-width:110px}#print{font-size:11px}.reader #content{height:calc(100dvh - 146px)}.reader .pdf-page{margin:10px auto}.reader .document-text{margin:10px;padding:20px;font-size:14px}.reader .document-text h1{font-size:22px}.reader .image-stage{padding:10px}.reader .text-preview{padding:16px;font-size:12px}.media-stage{padding:12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.pdf-stack{display:flex;flex-direction:column;align-items:center;gap:20px;padding:20px 16px;position:relative;min-width:max-content}.pdf-stack .pdf-page{margin:0;flex-shrink:0}.pdf-placeholder:before{content:'第 ' attr(data-page) ' 页 · 正在加载';position:absolute;inset:0;display:grid;place-items:center;color:#8794a5;font-size:13px}.reader main{height:100dvh;min-height:0;overflow:hidden}.reader .viewer-card{height:100dvh;min-height:0;overflow:hidden}.reader .viewer-top,.reader #toolbar,.reader #status{flex-shrink:0}.reader #content,.reader .viewer-card:fullscreen #content{height:auto;min-height:0;flex:1;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.continuous-sheet{table-layout:fixed}.continuous-sheet th,.continuous-sheet td{width:120px;max-width:none}.continuous-sheet .row-num{width:48px;min-width:48px}.continuous-sheet .sheet-placeholder td{padding:0;border:0}.reader .pdf-stack{gap:16px;padding:16px}.reader #content .watermark{position:sticky}

.reader main,.reader .viewer-card{height:100vh;height:100dvh}

/* Server-prepared pages use the document's native vertical scroll. */
.cached-pages{display:block;width:100%;max-width:1000px;margin:0 auto;padding:16px 10px}.cached-page{margin:0 0 20px;scroll-margin-top:80px}.cached-page img{display:block;width:100%;height:auto;background:white;box-shadow:0 2px 12px #17376812}.cached-page figcaption{text-align:center;padding:10px 0;font-size:12px;color:#8490a2}.server-pages #prev,.server-pages #next{display:none!important}.reader.server-pages{overflow-x:hidden;overflow-y:auto;touch-action:pan-y pinch-zoom}.reader.server-pages main,.reader.server-pages .viewer-card{display:block;height:auto;min-height:100vh;overflow:visible}.reader.server-pages #content{display:block;height:auto;min-height:0;overflow:visible;flex:none;touch-action:pan-y pinch-zoom}.reader.server-pages .viewer-top{position:sticky;top:0;z-index:5;background:white}.reader.server-pages #content .watermark{position:fixed;z-index:3;top:50%;pointer-events:none}.reader.server-pages .viewer-card:fullscreen{height:100vh;overflow-y:auto}.reader.server-pages .viewer-card:fullscreen #content{height:auto;overflow:visible}
@media(max-width:720px){.cached-pages{padding:8px 4px}.cached-page{margin-bottom:12px}.server-pages #pages{font-size:11px}.server-pages #pdf-controls{flex-wrap:wrap}.server-pages #text-mode{font-size:11px;padding:6px 9px}}

/* One compact reading toolbar on desktop and mobile. */
.reader #toolbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;border-bottom:1px solid #dde4ef;box-shadow:0 2px 10px #243a5908}
.reader-actions{display:flex;align-items:center;gap:8px;margin-left:auto}.workspace #toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.option-checks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}.options select,.options input{width:100%;margin-top:7px}.options select{display:block}.options input[type=color]{height:40px}.options .check input{width:auto;margin-top:0}
.options input[type=file]{font-size:11px}.hint{overflow-wrap:anywhere}.stamp-overlay{position:fixed;inset:70px 0 0;pointer-events:none;z-index:4;background-size:auto}.workspace .stamp-overlay{position:absolute;inset:0}.viewer-card{position:relative}.copy-disabled #content{user-select:none;-webkit-user-select:none}.text-preview,.document-text,.sheet-table{font-size:var(--reader-font,14px)}
.access-page main{margin:0;max-width:none;padding:8vh 20px}.access-page form{max-width:460px;margin:auto;background:white;border:1px solid var(--line);border-radius:18px;padding:32px;box-shadow:0 15px 60px #1528490d}.access-page p{line-height:1.8;color:#7b889c}.access-page input{display:block;width:100%;margin:10px 0 20px}.access-page button{width:100%}#access-error{color:#b6463c}
.reader .text-preview,.reader .document-text,.reader .sheet-table{font-size:var(--reader-font,14px)}
.share-result{display:flex;align-items:center;gap:12px;padding:12px 24px;background:#edf3ff}.share-result input{flex:1;width:0;color:#315efb;background:transparent;border:0;padding:8px}.share-result a{color:#315efb;white-space:nowrap;text-decoration:none}.share-result label{white-space:nowrap;color:#60718e}
.new-preview{margin:30px 10px 0;text-align:left;background:#253b60;border:1px solid #425e84;font-size:13px}.new-preview:hover,.new-preview.active{background:#315efb;border-color:#6488ff}.workspace .section-label{margin-top:25px}
.preview-settings{margin:18px 0;border-top:1px solid var(--line);padding-top:16px}.preview-settings h3{font-size:13px;margin:0;color:#52647f}.preview-settings .option-checks{padding-top:14px}.preview-settings fieldset{border:1px solid var(--line);border-radius:8px;padding:16px;margin:16px 0}.preview-settings legend{color:#65738b;font-size:12px;padding:0 7px}
.options textarea{width:100%;min-width:0;display:block;margin-top:7px;resize:vertical;border:1px solid #dce2ec;border-radius:7px;padding:11px;font:inherit;color:#25334a}.options textarea:focus{outline:2px solid #b8c8ff;border-color:#668aff}
.demo-form-actions{display:flex;gap:10px;justify-content:flex-start;padding:16px 0;border-top:1px solid var(--line)}#generate-code{color:#315efb;border-color:#a8bafb}
.code-result{background:white;border:1px solid var(--line);border-radius:12px;padding:24px;margin-top:24px;scroll-margin-top:16px}.code-result-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px}.code-result-head h2{max-width:none;font-size:17px}.code-result-head p,#code-status{font-size:12px;color:#7b889c;line-height:1.8}.code-result-head button{white-space:nowrap}#generated-code{display:block;width:100%;padding:18px;border:0;border-radius:9px;background:#101e35;color:#d1e1ff;font:12px/1.8 ui-monospace,monospace;resize:vertical;min-height:250px}.code-result-head p{margin:6px 0 0}#code-status:empty{display:none}
.protected-open{display:inline-block;color:white;background:#315efb;border-radius:8px;padding:12px 18px;margin:16px;text-decoration:none}
@media(max-width:720px){.new-preview{margin:16px 0 0;font-size:12px;width:100%}.workspace .section-label{display:none}.code-result{padding:16px}.code-result-head{align-items:flex-start}.code-result-head h2{font-size:15px}.code-result-head p{font-size:11px}.code-result-head button{font-size:11px;padding:7px}#generated-code{font-size:11px;padding:12px}.share-result{padding:10px;gap:6px}.viewer-actions #change-file{font-size:11px}}
@media(max-width:720px){.option-checks{grid-template-columns:1fr 1fr;gap:14px 8px}.option-checks label{font-size:11px}.reader #toolbar{padding:8px;gap:8px}.reader-actions{gap:5px}.reader-actions button{font-size:11px;padding:7px 9px}.stamp-overlay{inset:90px 0 0}}
@media print{.print-disabled .viewer-card{display:none!important}.print-disabled:before{content:'此分享链接不允许打印';display:block;padding:40px}}
.format-examples{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px;margin-top:14px}.format-examples button{padding:9px 6px;text-align:left;color:#49617f;font-size:12px}.demo-form-actions{flex-wrap:wrap;align-items:center}.demo-form-actions #submit{min-width:160px;margin-right:auto}.input-row #url{width:100%}
#search-panel{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:#f3f6fa;border-bottom:1px solid #dce3ef;padding:10px 16px;position:relative;z-index:6}#search-term{width:220px;max-width:100%;padding:8px}#search-panel label{font-size:12px;display:flex;gap:5px;align-items:center}#search-panel input[type=checkbox]{width:auto}#search-count{font-size:12px;color:#60708a}
#thumbnail-panel{position:absolute;left:0;top:60px;bottom:0;width:170px;overflow:auto;padding:12px;background:#e5ebf3;border-right:1px solid #d2dbea;z-index:5}.thumbnail{display:block;width:100%;background:transparent;border:0;border-radius:6px;color:#455772;padding:10px;margin:0 0 6px}.thumbnail:hover,.thumbnail:focus{background:#d0dcf0}.thumbnail img{display:block;max-width:130px;width:100%;height:auto;margin:0 auto 7px;box-shadow:0 2px 8px #15274033}.thumbnail span{font-size:12px}.thumbnails-open #content{margin-left:170px}.thumbnails-open #search-panel{padding-left:180px}.reader.server-pages #thumbnail-panel{position:fixed;top:62px;bottom:0}.reader.server-pages.thumbnails-open{overflow-x:hidden}.search-highlight{position:absolute;pointer-events:none;background:#ffe13666;z-index:3;border-radius:2px}.search-highlight.current{background:#ff902799}.copy-disabled .textLayer{user-select:none;-webkit-user-select:none}
@media(max-width:720px){.format-examples{grid-template-columns:repeat(4,minmax(0,1fr))}.demo-form-actions #submit{width:100%;margin:0}.demo-form-actions button{flex-grow:1}#search-panel{padding:8px;gap:6px}#search-term{width:100%;flex-basis:100%}#search-panel label{font-size:11px}.thumbnails-open #content{margin-left:0}#thumbnail-panel{top:90px;width:160px;box-shadow:3px 0 15px #15274030}.thumbnails-open #search-panel{padding-left:8px}}

/* Demo operations and content readers */
.workspace main{margin:0 auto;max-width:1440px;padding:28px 32px}.demo-breadcrumb{align-items:center;flex-wrap:wrap}.demo-breadcrumb strong{color:#203451;margin-right:auto}.demo-tabs{display:flex;gap:5px;border-bottom:1px solid #d9e1ed;margin-bottom:18px}.demo-tabs button{border-radius:8px 8px 0 0;background:transparent;color:#65738b;border:1px solid transparent;padding:13px 24px}.demo-tabs button[aria-selected=true]{background:white;border-color:#d9e1ed;border-bottom-color:white;color:#315efb;margin-bottom:-1px}.maintenance-panel input,.maintenance-panel button{display:block;width:100%;margin-top:14px}.maintenance-panel button{background:#3fa86a}.maintenance-panel p{color:#59708b;line-height:1.8}.maintenance .viewer-card,.maintenance #code-result{display:none!important}.code-language-label{margin-bottom:16px;display:flex;align-items:center;gap:12px}.code-language-label select{min-width:180px}.workspace .input-card{box-shadow:0 8px 35px #22304c05}.demo-form-actions{flex-wrap:wrap}#new-preview{margin:0}.media-stage video{width:min(100%,1100px);height:auto;max-height:calc(100dvh - 150px);object-fit:contain}.image-viewer{height:100%;min-height:380px;display:flex;flex-direction:column}.image-viewport{flex:1;min-height:300px;overflow:auto;display:grid;align-items:center;justify-items:center;padding:20px}.image-canvas{position:relative;flex-shrink:0}.image-canvas img{position:absolute;left:50%;top:50%;max-width:none;max-height:none;object-fit:contain}.image-controls{display:flex;align-items:center;justify-content:center;gap:10px;padding:14px;background:white;position:sticky;bottom:0;z-index:3}.image-controls span{min-width:50px;color:#64748b}.markdown h2{max-width:none;white-space:normal}.markdown h3{font-size:20px}.markdown table{border-collapse:collapse;width:100%;margin:20px 0}.markdown td,.markdown th{padding:10px;border:1px solid #dfe6ef;text-align:left}.markdown pre{background:#edf2f8;padding:18px;border-radius:8px}.markdown code{background:#edf2f8;border-radius:4px;padding:2px 4px}.markdown blockquote{margin:16px 0;padding:8px 18px;border-left:3px solid #6385ff;color:#64748b}.markdown a{color:#315efb}.archive-browser{display:grid;grid-template-columns:300px minmax(0,1fr);min-height:100%;background:#fff}.archive-browser aside{background:#f6f8fc;border-right:1px solid #dde5ef;padding:16px}.archive-browser h3{font-size:13px;color:#718096}.archive-entry{display:block;width:100%;text-align:left;background:transparent;color:#40536c;padding:12px;font-weight:400;overflow-wrap:anywhere}.archive-entry.active{background:#e5edff;color:#315efb}.archive-detail{padding:30px;min-width:0}.archive-detail h2{white-space:normal;overflow-wrap:anywhere;font-size:19px}.archive-detail dl{display:grid;grid-template-columns:90px minmax(0,1fr);border:1px solid #e1e7f0;border-radius:10px;overflow:hidden;margin-top:24px}.archive-detail dt,.archive-detail dd{padding:18px;margin:0;border-bottom:1px solid #e1e7f0;overflow-wrap:anywhere}.archive-detail dt{color:#718096;background:#f8faff}
@media(max-width:720px){.workspace main{padding:20px 12px}.demo-breadcrumb{gap:8px}.demo-breadcrumb strong{width:100%}.demo-tabs button{padding:12px 18px}.option-checks{grid-template-columns:1fr 1fr}.archive-browser{grid-template-columns:1fr}.archive-browser aside{border:0;border-bottom:1px solid #dde5ef;max-height:230px;overflow:auto}.archive-detail{padding:18px}.document-text{padding:22px;margin:12px}.media-stage{padding:12px}.image-controls{gap:6px}.image-controls button{padding:8px 10px}}

.markdown img{display:block;max-width:100%;height:auto;margin:16px auto}

.demo-breadcrumb{column-gap:14px;row-gap:8px}
/* Upload, archive contents and document loading states. */
.demo-brand{display:inline-flex;align-items:center;gap:10px}.demo-brand img{flex:none}.upload-zone{position:relative;border:1px dashed #acc5f3;border-radius:14px;background:#f8fbff;text-align:center;margin:20px 0;padding:24px 16px;transition:background .2s,border-color .2s}.upload-zone.dragging{border:2px dashed #3478ff;background:#eaf3ff}.upload-select{display:grid!important;gap:8px;color:#4e719f;cursor:pointer}.upload-select strong{font-size:14px;color:#37629d}.upload-select small{font-size:12px;line-height:1.6}.upload-symbol{font-size:36px;color:#397bfa;line-height:1.2}.upload-zone input[type=file]{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);opacity:0}.upload-zone:focus-within{outline:2px solid #3478ff;outline-offset:2px}.upload-zone p{font-size:12px;color:#859bbc;margin:12px 0 0;overflow-wrap:anywhere}.upload-zone progress{width:min(460px,90%);height:8px;accent-color:#3779fa;margin-top:16px}.uploading .upload-select{pointer-events:none;opacity:.6}.preview-loading{display:flex;align-items:center;justify-content:center;gap:14px;color:#5483c8!important;background:#f3f8ff!important;min-height:90px;padding:24px;font-size:14px}.preview-loading[hidden]{display:none}.loading-ring{display:inline-block;flex:none;width:30px;height:30px;border:3px solid #dbe8ff;border-top-color:#3779ff;border-right-color:#18bfd4;border-radius:50%;animation:reader-spin .9s linear infinite}.reader-error{min-height:75dvh;padding:65px 20px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;width:100%}.reader-error h1{font-size:clamp(22px,5vw,30px);color:#244572;margin:22px 0 12px}.reader-error p{color:#899bb8;line-height:1.8;overflow-wrap:anywhere}.reader-error>a{display:block;width:min(660px,100%);margin-top:32px;padding:18px;border-radius:12px;background:#fff;color:#3979eb;text-decoration:none}.state-shield{width:94px;height:104px;background:#ff5e73;clip-path:polygon(50% 0,96% 17%,96% 61%,83% 82%,50% 100%,17% 82%,4% 61%,4% 17%);color:white;font-size:78px;line-height:100px}.archive-browser{min-height:680px}.archive-browser>aside{overflow-y:auto;max-height:80dvh}.archive-detail{padding:20px!important;min-width:0;position:relative}.archive-detail h2{font-size:16px;line-height:1.7;margin-bottom:16px;overflow-wrap:anywhere}.archive-detail .preview-loading{position:absolute;inset:75px 20px auto;z-index:2;border-radius:12px}.archive-frame{display:block;border:1px solid #e4ebf6;border-radius:8px;width:100%;height:72dvh;min-height:460px;background:#f6f9ff}.archive-entry{overflow-wrap:anywhere;word-break:break-word;white-space:normal;text-align:left;width:100%}.archive-detail p{line-height:1.8;color:#7c90af}.media-stage video{width:min(1120px,100%);max-height:80dvh}.reader #status.preview-loading{margin:16px;border-radius:12px}.cached-page img{background:linear-gradient(110deg,#fff 20%,#eef5ff 40%,#fff 60%);background-size:200% 100%;animation:reader-shimmer 2s ease infinite}@keyframes reader-spin{to{transform:rotate(360deg)}}@keyframes reader-shimmer{to{background-position:-200% 0}}@media(max-width:760px){.upload-zone{padding:20px 12px}.upload-select strong{font-size:13px}.upload-select small{font-size:11px}.archive-browser{display:block!important;min-height:0}.archive-browser>aside{max-height:180px;border-right:0;border-bottom:1px solid #e3ebfa;padding:12px!important}.archive-browser>aside h3{font-size:12px;margin:0 0 8px}.archive-entry{padding:9px!important;font-size:12px}.archive-detail{padding:12px!important}.archive-frame{height:72dvh;min-height:400px}.archive-detail .preview-loading{inset:60px 12px auto}.preview-loading{font-size:12px;padding:18px;min-height:75px}.reader-error{padding:45px 16px}.demo-breadcrumb{flex-wrap:wrap;gap:12px}.demo-brand{font-size:14px}}@media(prefers-reduced-motion:reduce){.loading-ring,.cached-page img{animation:none}}

.workspace #content.archive-mode{height:auto;min-height:0;overflow:visible}.reader.archive-open main,.reader.archive-open .viewer-card{height:auto;min-height:100dvh;overflow:visible}.reader.archive-open #content{height:auto;min-height:0;overflow:visible;flex:initial}@media(max-width:760px){.archive-browser>aside{max-height:230px}.archive-frame{height:78dvh}}

.upload-zone.upload-success{border-style:solid;border-color:#a7d9c2;background:#f3fbf7}.upload-zone.upload-success:focus-within{outline-color:#a7d9c2}.upload-zone.upload-success .upload-symbol,.upload-zone.upload-success strong,.upload-zone.upload-success p{color:#268559}.upload-zone progress[hidden]{display:none}

.continuous-sheet{table-layout:fixed}.continuous-sheet th,.continuous-sheet td{min-width:0;max-width:none;padding:2px 4px;height:inherit}.continuous-sheet .row-num{min-width:0;width:48px}.continuous-sheet thead th{height:30px}.continuous-sheet tr:hover td{background-color:inherit}.sheet-cell-text{overflow:hidden;line-height:1.3}.share-qr{display:flex;align-items:center;gap:14px;padding:14px 24px;background:#fff;border-top:1px solid #e1e8f4}.share-qr canvas{width:140px;height:140px;image-rendering:pixelated}.share-qr span{font-size:13px;color:#677b9a}.share-result{flex-wrap:wrap}#html-share{font-size:12px}.share-qr[hidden]{display:none}@media(max-width:760px){#prev,#next,#page,#pages,#zoom,#print,#sheet-prev,#sheet-next,#toggle-mode{display:none!important}.share-qr{padding:12px 16px}.share-qr canvas{width:128px;height:128px}.share-result input{min-width:0;width:100%}}

@media(max-width:720px){#fullscreen{display:none!important}}
.html-preview{width:100%;height:100%;min-height:600px;border:0;background:white}
.video-preview #content,.video-preview .media-stage{background:white}
.video-preview .media-stage{padding:0;min-height:100%;}
.video-preview .media-stage video{width:100%;height:100%;max-height:calc(100dvh - 100px);object-fit:contain;background:white;border:0;border-radius:0;box-shadow:none}
#mobile-preview-dialog{border:1px solid #e2e8f4;border-radius:20px;padding:28px;max-width:calc(100vw - 28px);text-align:center;color:#25334a}
#mobile-preview-dialog::backdrop{background:#14243d80;backdrop-filter:blur(4px)}
#close-mobile-preview{float:right}#mobile-preview-dialog h2{font-size:22px;margin:8px 0}#mobile-preview-dialog .share-qr{display:flex;flex-direction:column;padding:12px;align-items:center;border:0}#mobile-preview-dialog canvas{width:240px;height:240px;max-width:70vw}

/* Reader controls share one centered zoom group across precise/image modes. */
#toolbar,.reader #toolbar,.workspace #toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:12px;position:relative}
#pdf-controls{display:flex;align-items:center;gap:7px;min-width:0;flex-wrap:wrap;grid-column:1;grid-row:1}
#zoom-controls{display:flex;align-items:center;justify-content:center;gap:5px;grid-column:2;grid-row:1}
.zoom-controls button{padding:7px 10px;font-size:18px}.zoom-controls select{padding:7px 10px;max-width:135px}
.reader-actions{grid-column:3;grid-row:1;justify-self:end;margin-left:0;flex-wrap:wrap;justify-content:flex-end}
#sheet-controls{grid-column:1/3;grid-row:1}
.upload-spinner{display:none;width:24px;height:24px;border:3px solid #c7d9ff;border-top-color:#326de7;border-radius:50%;animation:upload-turn .8s linear infinite;margin:10px auto 0}
.upload-zone.uploading .upload-spinner,.quick-upload.uploading .upload-spinner{display:block}
@keyframes upload-turn{to{transform:rotate(360deg)}}
.presentation-dialog{position:fixed;inset:0;width:100vw;height:100dvh;max-width:none;max-height:none;border:0;padding:0;margin:0;background:#111827;color:white}
.presentation-dialog[open]{display:flex;flex-direction:column}.presentation-nav{display:flex;align-items:center;justify-content:center;gap:14px;height:54px;flex-shrink:0;background:#1e293b}
.presentation-nav button{border:1px solid #475569;background:#334155;color:white;padding:7px 13px;width:auto;flex:none;white-space:nowrap}.presentation-nav span{white-space:nowrap;min-width:48px;text-align:center}.presentation-stage{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:12px;overflow:hidden}
.presentation-sheet{position:relative;display:flex;align-items:center;justify-content:center;max-width:100%;max-height:100%;height:100%;width:100%}.presentation-sheet img,.presentation-sheet canvas{max-width:100%;max-height:100%;object-fit:contain}.presentation-sheet .stamp-overlay{inset:0;height:100%}
#print-document{display:none}.print-page{position:relative;text-align:center}.print-page .stamp-overlay{inset:0}.print-page img{max-width:100%;max-height:98vh;object-fit:contain}
@media(max-width:1100px){#toolbar,.reader #toolbar,.workspace #toolbar{grid-template-columns:1fr auto}.reader-actions{grid-column:2}#zoom-controls{grid-column:1/3;grid-row:2;justify-self:center}#sheet-controls{grid-column:1}}
@media(max-width:760px){#zoom-controls,#print,#fullscreen{display:none!important}#toolbar,.reader #toolbar,.workspace #toolbar{grid-template-columns:1fr auto}.reader-actions{grid-column:2}#presentation{white-space:nowrap}.presentation-nav{gap:8px;font-size:12px}.presentation-nav button{font-size:12px;padding:7px 9px}}
@media print{body:has(#print-document)>:not(#print-document){display:none!important}#print-document{display:block!important}.print-page{break-after:page;page-break-after:always}.print-page:last-child{break-after:auto}.print-page .stamp-overlay{display:block!important;print-color-adjust:exact;-webkit-print-color-adjust:exact}@page{margin:0}}
@media(min-width:761px){.server-pages #prev,.server-pages #next{display:inline-block!important}.reader.server-pages{overflow-x:auto}}
.toolbar-icon{display:none}.floating-download{position:fixed!important;right:22px;bottom:calc(22px + env(safe-area-inset-bottom));z-index:12;border-radius:50%!important;width:50px;height:50px;padding:0!important;background:#2868f5!important;color:white!important;box-shadow:0 6px 24px #2868f540;border:0!important}.floating-download .toolbar-icon{display:inline;font-size:27px}.floating-download .toolbar-label{display:none}#toolbar-overflow[hidden],#toolbar [hidden],.viewer-card>.floating-download[hidden]{display:none!important}#toolbar-overflow{padding:16px;background:white;border-bottom:1px solid #dfe8f4;display:flex;gap:12px;align-items:center}.toolbar-overflow-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.toolbar-settings{padding:16px 0;margin:18px 0;border-top:1px solid #e1e8f4}.toolbar-settings summary{cursor:pointer;font-weight:600;color:#3b6091}.toolbar-settings .option-checks{margin:18px 0}.toolbar-settings>label{display:flex;gap:15px;align-items:center}.pdf-first-look{width:min(100%,1000px);margin:16px auto}.pdf-first-look img{width:100%;height:auto;display:block}
@media(max-width:760px){#toolbar,.reader #toolbar,.workspace #toolbar{display:flex!important;flex-wrap:nowrap!important;padding:8px!important;gap:5px!important;min-height:52px}#toolbar #pdf-controls{flex-wrap:nowrap!important;gap:4px;flex:1;min-width:0}#toolbar #pdf-controls button,#toolbar .reader-actions button{padding:5px!important;min-width:29px;height:34px;font-size:15px;border-color:transparent}#toolbar .toolbar-icon{display:inline;font-size:21px}#toolbar .toolbar-label{display:none}#toolbar #prev,#toolbar #next,#toolbar #page,#toolbar #pages{display:inline-block!important}#toolbar #page{width:34px;padding:4px!important;height:30px;font-size:12px;text-align:center}#toolbar #pages{font-size:11px;white-space:nowrap;max-width:44px;overflow:hidden;text-overflow:clip}#toolbar .reader-actions{gap:3px;margin-left:auto;flex:none}#toolbar #print,#toolbar #fullscreen{display:none!important}#toolbar #toolbar-more{font-size:24px!important}#toolbar-overflow{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:25;border:1px solid #dfe8f4;border-radius:18px;box-shadow:0 12px 80px #172c5c40;display:grid;padding:18px;gap:16px}#toolbar-overflow #zoom-controls:not([hidden]){display:flex!important;grid-column:auto;grid-row:auto}#toolbar-overflow #zoom{display:inline-block!important;max-width:170px}#toolbar-overflow #presentation{width:100%}#toolbar-overflow [hidden],#toolbar [hidden],.server-pages #toolbar #prev[hidden],.server-pages #toolbar #next[hidden]{display:none!important}.floating-download{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));width:46px;height:46px}#toolbar #sheet-controls{min-width:0;gap:3px}#toolbar #sheets{max-width:150px}}
#toolbar[hidden],#toolbar #prev[hidden],#toolbar #next[hidden],#toolbar #page[hidden],#toolbar #pages[hidden],#toolbar #pdf-controls[hidden],#toolbar #sheet-controls[hidden],#toolbar #zoom-controls[hidden],#toolbar #presentation[hidden],#toolbar #print[hidden],#toolbar #fullscreen[hidden],#toolbar #toolbar-more[hidden],#toolbar-overflow [hidden]{display:none!important}

.reader #status{display:none!important}.format-examples button.active{background:#eef4ff;border-color:#3979fa;color:#215dcc;box-shadow:inset 0 0 0 1px #3979fa}.toolbar-icon svg{display:block}.presentation-stage{touch-action:pan-y}

.page-stepper{display:inline-flex;align-items:stretch;border:1px solid #dce2ec;border-radius:8px;background:white;overflow:hidden;flex:none}.page-stepper #page{border:0;border-radius:0;width:45px!important;text-align:center;padding:7px 5px}.page-step-buttons{display:flex;flex-direction:column;border-left:1px solid #e5eaf2}.page-step-buttons button{padding:0 6px;border-radius:0;background:#f7f9fc;color:#4c6285;line-height:17px;font-size:12px}.page-step-buttons button:hover{background:#e9f0ff;color:#245fd6}.page-stepper:focus-within{outline:2px solid #b8c8ff}.viewer-card{position:relative}.reader-loading{position:absolute;z-index:9;left:50%;top:45%;transform:translate(-50%,-50%);display:flex;gap:14px;align-items:center;padding:20px 26px;max-width:90%;border:1px solid #e4ebf5;border-radius:16px;background:#ffffffed;box-shadow:0 10px 40px #18355812;color:#577291;font-size:14px;white-space:nowrap}.workspace .reader-loading{display:none}.reader-loading .loading-ring{width:26px;height:26px}
/* Keep the page stepper within one toolbar row, including narrow WebViews. */
#toolbar .page-stepper{height:34px;max-height:34px;align-items:stretch;overflow:hidden;flex-shrink:0}
#toolbar .page-stepper #page{height:32px;min-height:0;margin:0;padding:0 4px;align-self:center;line-height:32px}
#toolbar .page-step-buttons{width:20px;gap:0;display:flex;flex-direction:column;justify-content:center}
#toolbar #pdf-controls .page-step-buttons button{height:16px!important;min-height:0!important;min-width:0!important;width:20px!important;flex:0 0 16px;padding:0!important;line-height:1;font-size:10px;margin:0;border:0;border-radius:0}
@media(max-width:720px){#toolbar .page-stepper #page{width:34px!important;font-size:16px}#toolbar .page-step-buttons{width:16px}#toolbar #pdf-controls .page-step-buttons button{width:16px!important}#toolbar #pdf-controls{align-items:center}}

.source-settings{margin:12px 0;color:#607da8}.source-settings summary{cursor:pointer;font-size:13px}.source-settings .options{margin-top:12px}
/* A spinner only occupies blank, unpainted pages; never overlay rendered text. */
.pdf-placeholder:before{content:'';inset:auto;left:calc(50% - 11px);top:calc(50% - 11px);width:22px;height:22px;display:block;border:2px solid #e1e9f5;border-top-color:#6f9ce6;border-radius:50%;animation:reader-spin .9s linear infinite;pointer-events:none}
.page-retry{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);color:#6883ac;background:#f3f7fd;border:1px solid #dce7f5;font-size:13px;font-weight:400;white-space:nowrap}
#toolbar button:focus{outline:none}#toolbar button:focus-visible{outline:2px solid #aac4f6;outline-offset:2px}#toolbar button[aria-expanded=true]{color:#2e65b5;background:#eef5ff;border-color:#b8cff2}
#toolbar .page-stepper #page{width:48px!important}#toolbar .page-stepper{border-radius:7px}#toolbar .page-stepper #page:focus{outline:none}
.thumbnail{min-height:60px}.thumbnail img{object-fit:contain;max-width:120px;height:auto}.thumbnail:focus-visible{outline:2px solid #b2c9f1;outline-offset:1px}
.reader-toast{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);z-index:12;border:1px solid #dbe6f5;border-radius:10px;background:#f7faffee;padding:12px 18px;color:#607ca6;box-shadow:0 4px 20px #1d3b6210;white-space:nowrap;font-size:13px}
@media(max-width:720px){#toolbar .page-stepper #page{width:35px!important}}

body.reader:not(.server-pages){height:100dvh;overflow:hidden}

.reader:not(.server-pages) #content{scrollbar-gutter:stable}