:root{color-scheme:light;--ink:#25352f;--muted:#8a9690;--green:#218860;--line:#e8ece9;--soft:#f6f8f7}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#fff;font:14px/1.65 "Segoe UI","Microsoft YaHei",sans-serif;display:grid;grid-template-columns:64px 218px 260px minmax(0,1fr);height:100dvh;overflow:hidden}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;background:transparent;color:inherit;border-radius:7px;padding:8px 11px}button:hover{background:#eef3ef}button:disabled{opacity:.4;cursor:default}a{color:inherit;text-decoration:none}input,textarea,select{outline:none}input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid #83cbb0;outline-offset:2px}button:focus-visible,a:focus-visible{outline:2px solid #218860;outline-offset:2px}.primary,.new-note{background:var(--green);color:#fff;border:1px solid #20855e;padding:10px 17px}.primary:hover,.new-note:hover{background:#19724f}.rail{background:#f0f4f1;border-right:1px solid #e5eae6;display:flex;align-items:center;flex-direction:column;padding:22px 10px;gap:22px}.logo{font:bold 39px/1 Georgia;color:#236445;letter-spacing:-5px}.logo span{color:#7eb98e}.rail button,.rail>a:not(.logo){font-size:24px;padding:5px 10px;color:#7e9486}.rail .rail-active{color:#247d51;background:#dfece3}.rail-bottom{margin-top:auto}.rail-bottom span{display:grid;place-items:center;background:#d4e3d6;border-radius:50%;width:32px;height:32px;color:#52745c;font-weight:600}.library{background:#f8faf8;border-right:1px solid var(--line);padding:25px 17px;display:flex;flex-direction:column;min-height:0}.space-brand{display:flex;gap:10px;align-items:center}.space-brand b{font-size:18px;letter-spacing:.5px}.space-brand small{display:block;font:7px/2 Consolas,monospace;letter-spacing:1px;color:#8b9e91}.leaf{font-size:30px;color:#438f63}.space-user{display:flex;align-items:center;font-size:10px;color:#819187;gap:7px;margin:23px 0}.space-user button{font-size:10px;padding:0}.space-user a{margin-left:auto}.online{width:5px;height:5px;border-radius:50%;background:#72b18b}.new-note{display:flex;align-items:center;justify-content:space-between;width:100%;font-size:12px}.new-note kbd{font:9px Consolas;background:#ffffff22;border-radius:3px;padding:0 4px}.library-heading{display:flex;justify-content:space-between;align-items:center;color:#9aa69e;font-size:11px;margin:30px 3px 10px}.library-heading button{font-size:18px;padding:0 5px}#books{overflow:auto}#books button{width:100%;display:flex;text-align:left;align-items:center;gap:8px;font-size:12px;padding:11px 9px;margin:3px 0;overflow-wrap:anywhere}#books button:before{content:'▣';font-size:16px;color:#91aa97}#books button.active{background:#e5f0e7;color:#28764d;font-weight:600}#books button small{margin-left:auto;font-weight:400;color:#9aaa9d}.trash-nav{margin-top:14px;color:#86948a;text-align:left;font-size:12px}.library-footer{margin-top:auto;border-top:1px solid #e3eae4;padding:25px 4px 0}.library-footer .seed{display:block;font-size:32px;color:#9bb79d}.library-footer b{font-size:10px;font-weight:500;color:#7c9382}.library-footer p{font-size:9px;color:#a5b2a9}.library-footer>span:last-child{font:7px Consolas;letter-spacing:2px;color:#acb9af}.documents{border-right:1px solid var(--line);padding:28px 18px;overflow:auto;background:#fdfefd}.documents-title{display:flex;align-items:center;justify-content:space-between}.documents h2{font-size:15px;margin:0;font-weight:600}.documents-title>span{font-size:10px;color:#a0aba4}.search{display:flex;align-items:center;gap:6px;background:#f1f4f1;border-radius:6px;padding:7px 9px;margin:23px 0 19px;color:#9aa99d}.search input{min-width:0;width:100%;border:0;background:none;font-size:11px;color:#4e6356}.list-caption{font-size:9px;color:#a2ada5;margin:0 5px 15px;display:flex;justify-content:space-between}.note-item{display:block;text-align:left;width:100%;padding:15px 11px;border:1px solid transparent;margin:6px 0}.note-item.active{background:#edf5ef;border-color:#e0ece2}.note-item b{font-size:12px;font-weight:600;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.note-item p{font-size:10px;color:#a3ada6;line-height:1.8;margin:7px 0;max-height:36px;overflow:hidden}.note-item small{font-size:9px;color:#a8b2ab}.workspace{min-width:0;overflow:auto}.topbar{height:74px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 28px;gap:14px;position:sticky;top:0;background:#ffffffed;backdrop-filter:blur(12px);z-index:3}.breadcrumb{display:flex;align-items:center;gap:12px;min-width:0;color:#a0aaa4;font-size:10px;white-space:nowrap}.breadcrumb b{font-weight:400;color:#66796c;max-width:200px;overflow:hidden;text-overflow:ellipsis}.top-actions{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:10px}.top-actions button{font-size:10px}.top-actions #save-state{font-size:9px;color:#8aa08f;margin-right:10px}.ai{background:#eaf3eb;color:#35744c;border:1px solid #d8e9da}.top-actions .ai:hover{background:#daebde}#mobile-menu{display:none}#notice{margin:12px 25px;background:#fff5df;border:1px solid #e8d6a9;border-radius:7px;padding:11px 14px;font-size:12px;color:#8c6b2d;position:sticky;top:76px;z-index:3}#editor-area{max-width:950px;padding:55px clamp(25px,5vw,85px) 30px;margin:auto}.doc-meta{display:flex;align-items:center;gap:18px;font-size:9px;color:#a9b4ac;margin-bottom:22px}.doc-label{background:#f2f6f2;border:1px solid #e5ece5;color:#8b9f8d;border-radius:4px;padding:2px 7px}#title{font-size:30px;font-weight:650;letter-spacing:-.7px;border:none;width:100%;color:#283d30;padding:0;background:none;margin:0 0 15px}#title::placeholder{color:#bac5bc}.doc-subline{display:flex;gap:12px;align-items:center;font-size:9px;color:#a1ada4;margin-bottom:30px}.doc-subline label{margin-left:auto;font-size:9px}.doc-subline select{font-size:9px;border:0;background:#f7f9f7;color:#7f9384;padding:3px;max-width:140px}.editor-toolbar{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:6px 0;margin-bottom:20px}.editor-toolbar button{font-size:12px;padding:5px 10px;color:#7e8e83}.view-switch{display:flex;background:#f4f6f4;padding:2px;border-radius:6px}.view-switch button{font-size:9px}.view-switch .selected{background:white;box-shadow:0 1px 4px #253b2c12;color:#36744c}#body{resize:vertical;min-height:calc(100dvh - 400px);width:100%;border:0;background:transparent;color:#4d5d52;font:14px/2.1 "Segoe UI","Microsoft YaHei",monospace;padding:0 2px}#body::placeholder{color:#b4bfb6}#body:focus-visible{outline:0}#preview{font-size:14px;line-height:2.1;min-height:calc(100dvh - 400px);overflow-wrap:anywhere}#preview h1,#preview h2,#preview h3{color:#263e2e;line-height:1.6;margin:25px 0 12px}#preview p{white-space:pre-wrap;margin:8px 0}#preview pre{background:#f3f6f3;border-radius:7px;padding:18px;white-space:pre-wrap;font:12px/1.8 Consolas,monospace}#preview blockquote{margin-left:0;border-left:3px solid #89b898;color:#819587;padding-left:18px}#preview li{margin-left:25px}.editor-footer{border-top:1px solid var(--line);margin-top:30px;padding-top:15px;display:flex;align-items:center;gap:10px;color:#a5b3a8;font-size:9px}.editor-footer>span{margin-right:auto}.editor-footer button{font-size:9px;color:#819687}.empty{height:calc(100dvh - 74px);min-height:400px;display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;padding:25px}.empty-art{width:100px;height:100px;display:grid;place-items:center;border-radius:27px;background:linear-gradient(135deg,#f2f6ec,#e8f1e9);color:#94b49a;font-size:48px;transform:rotate(-8deg);margin-bottom:36px}.eyebrow{font:8px/1.8 Consolas,monospace;letter-spacing:2px;color:#8eaa96}.empty h1{font-size:25px;font-weight:500;letter-spacing:1px;margin:17px 0 8px}.empty p{color:#a1afa5;font-size:12px}.empty .primary{font-size:12px;margin:20px}.empty-features{display:flex;gap:30px;color:#a0b1a4;font-size:10px;margin-top:25px}dialog{border:1px solid #e2eae3;border-radius:14px;padding:28px;max-width:1000px;width:calc(100% - 40px);max-height:90dvh;box-shadow:0 25px 100px #19332326;color:var(--ink)}dialog::backdrop{background:#172a214f;backdrop-filter:blur(3px)}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.dialog-heading h2{font-size:22px;font-weight:550;margin:6px 0}.hint{color:#8c9b91;font-size:12px}.history-layout{display:grid;grid-template-columns:210px 1fr;gap:25px;margin-top:25px}.history-layout>div{min-width:0}.history-layout #versions{max-height:55dvh;overflow:auto}#versions button{display:block;width:100%;text-align:left;padding:12px;font-size:12px;border-bottom:1px solid var(--line)}#versions small{display:block;color:#98a99d;font-size:10px}#history-body{white-space:pre-wrap;overflow:auto;max-height:45dvh;background:#f6f8f6;padding:20px;font:12px/1.9 Consolas,monospace}.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}.compare label{font-size:11px;color:#8a9b90}.compare textarea{display:block;width:100%;height:45dvh;border:1px solid #e4eae5;border-radius:8px;margin-top:10px;resize:vertical;padding:18px;background:#f8faf8;color:#52695a;font:12px/1.9 monospace}.dialog-footer{display:flex;align-items:center;justify-content:flex-end;gap:15px;margin-top:22px}.dialog-footer>span{margin-right:auto;font-size:10px;color:#a0a99f}#action-dialog{max-width:440px}#action-description{font-size:12px;color:#83968a}#action-input{width:100%;padding:12px;border:1px solid #cddfd0;border-radius:7px}[hidden]{display:none!important}
@media(max-width:1250px){body{grid-template-columns:54px 185px 215px minmax(0,1fr)}.topbar{padding:0 18px}.breadcrumb>span:first-of-type{display:none}.top-actions{gap:2px}#editor-area{padding:40px 30px}.top-actions #save-state{margin-right:4px}.space-brand b{font-size:16px}.space-brand small{font-size:6px}.library{padding:25px 13px}}
@media(max-width:1000px){body{grid-template-columns:54px 190px minmax(0,1fr)}.documents{grid-column:2;grid-row:1;display:none}.library{grid-column:2;grid-row:1}.workspace{grid-column:3;grid-row:1}.rail{grid-column:1;grid-row:1}.top-actions #save-state{max-width:70px;overflow:hidden;text-overflow:ellipsis}.breadcrumb{gap:5px}.breadcrumb b{max-width:110px}body.show-docs .documents{display:block}body.show-docs .library{display:none}#mobile-menu{display:block}.top-actions button{padding:7px}.top-actions #history span{display:none}}
@media(max-width:680px){body{display:block;height:100dvh}.rail,.library,.documents{display:none}.workspace{height:100dvh}.topbar{height:auto;min-height:100px;display:grid;grid-template-columns:1fr;gap:5px;padding:12px 16px}.breadcrumb{font-size:10px}.breadcrumb b{max-width:230px}.top-actions{justify-content:flex-end;gap:9px}.top-actions #save-state{margin-right:auto;max-width:150px}.top-actions button{font-size:10px;padding:7px 9px}#editor-area{padding:28px 23px}.doc-meta{margin-bottom:17px;font-size:8px}#title{font-size:25px}.doc-subline{margin-bottom:22px;gap:8px}.doc-subline select{max-width:115px}#body{font-size:15px;min-height:calc(100dvh - 360px)}body.show-docs .documents{display:block;position:fixed;left:0;top:100px;bottom:0;width:100%;z-index:6;padding:24px;background:#fafcf9}body.show-docs .library{display:flex;position:fixed;left:0;top:100px;bottom:0;width:45%;z-index:7;padding:22px 12px}body.show-docs .documents{left:45%;width:55%;padding:22px 12px}.library-footer{display:none}.space-brand b{font-size:13px}.space-brand small{display:none}.space-user{font-size:9px;flex-wrap:wrap;gap:5px}.new-note{font-size:11px;padding:9px}.documents h2{font-size:13px}.search input{font-size:10px}.note-item{padding:12px 7px}.empty{height:calc(100dvh - 100px)}.empty h1{font-size:20px}.empty p{font-size:11px}.empty-features{gap:20px}.compare{grid-template-columns:1fr;gap:12px}.compare textarea{height:25dvh}.history-layout{grid-template-columns:1fr}.history-layout #versions{max-height:160px}dialog{padding:20px;width:calc(100% - 24px)}.dialog-footer{flex-wrap:wrap}.dialog-footer>span{width:100%}.editor-footer{gap:2px}#notice{top:100px;font-size:11px}}

/* Document canvas: editable rich text, not a source textarea. */
.workspace{background:#f3f5f7;position:relative}.topbar{background:#fff}#editor-area{background:#fff;max-width:960px;margin:30px auto 60px;padding:42px 64px 30px;box-shadow:0 2px 12px #253d2c08;border:1px solid #e6e9ed;min-height:calc(100dvh - 140px)}#title{font-size:29px;line-height:1.55;letter-spacing:0}.rich-toolbar{position:sticky;top:74px;z-index:2;background:#fff;display:flex;flex-wrap:wrap;gap:8px;padding:8px 0;margin-bottom:24px}.format-controls{display:flex;align-items:center;flex-wrap:wrap;gap:2px}.format-controls button{min-width:28px;padding:5px 7px;font-size:12px;color:#596578}.format-controls button.is-active{background:#e4eeff;color:#2365be;box-shadow:inset 0 0 0 1px #bed4f4}.tool-divider{height:18px;width:1px;background:#e2e7ed;margin:0 5px}#block-format{padding:5px 7px;border:1px solid #e1e6ec;border-radius:5px;background:#fff;color:#5b697c;font-size:12px}.rich-toolbar .view-switch{margin-left:auto}.document-prose{outline:none;min-height:560px;color:#35404b;font:15px/1.95 "Segoe UI","Microsoft YaHei",sans-serif;overflow-wrap:anywhere;white-space:pre-wrap}.document-prose p{margin:12px 0}.document-prose h1,.document-prose h2,.document-prose h3,.document-prose h4,.document-prose h5,.document-prose h6{color:#2564b0;font-weight:650;line-height:1.6;scroll-margin-top:170px}.document-prose h1{font-size:26px;margin:28px 0 18px;border-bottom:1px solid #e4eaf1;padding-bottom:12px}.document-prose h2{font-size:21px;margin:30px 0 16px}.document-prose h3{font-size:18px;margin:25px 0 12px}.document-prose strong{font-weight:750;color:#26354b}.document-prose em{font-style:italic}.document-prose ul,.document-prose ol{padding-left:28px}.document-prose li{margin:8px 0}.document-prose li p{margin:4px 0}.document-prose blockquote{margin:20px 0;padding:8px 18px;border-left:3px solid #8eb4df;background:#f5f8fc;color:#73829a}.document-prose pre{background:#f3f5f8;border:1px solid #e3e8ef;border-radius:7px;padding:18px;white-space:pre-wrap;font:13px/1.8 Consolas,monospace}.document-prose code{background:#edf1f6;padding:2px 4px;border-radius:3px;font:13px Consolas,monospace}.document-prose pre code{background:none;padding:0}.document-prose table{border-collapse:collapse;width:100%;table-layout:fixed;margin:22px 0;overflow:hidden}.document-prose th,.document-prose td{border:1px solid #dce2e9;padding:10px 14px;vertical-align:top;min-width:60px;position:relative}.document-prose th{background:#f4f6f9;color:#345174;font-weight:650}.document-prose .selectedCell:after{position:absolute;inset:0;background:#94b9ed44;content:'';pointer-events:none}.document-prose a{color:#2272bd;text-decoration:underline}.document-prose hr{border:0;border-top:1px solid #dfe6ee;margin:25px 0}.document-prose ul[data-type=taskList]{list-style:none;padding-left:0}.document-prose ul[data-type=taskList] li{display:flex;gap:10px}.document-prose ul[data-type=taskList] li>label{padding-top:4px}.document-prose ul[data-type=taskList] li>div{flex:1}.doc-outline{display:none;position:fixed;right:18px;top:110px;width:190px;max-height:75vh;overflow:auto}.doc-outline h3{font-size:12px;color:#8090a3;margin:0 0 15px}.doc-outline button{display:block;text-align:left;font-size:11px;line-height:1.7;color:#788b9e;width:100%;overflow-wrap:anywhere;padding:6px}.doc-outline button[data-level="2"]{padding-left:15px}.doc-outline button[data-level="3"]{padding-left:26px}.doc-outline p{font-size:11px;color:#9ca9b6}.show-outline .doc-outline{display:block;background:#f6f8faeb;border:1px solid #e2e8ee;border-radius:9px;padding:14px;z-index:5}#body{font:13px/1.8 Consolas,monospace;min-height:560px;resize:vertical}#rich-editor[hidden]{display:none!important}@media(min-width:1700px){.show-outline #editor-area{margin-right:235px}}@media(max-width:1250px){#editor-area{margin:20px;padding:32px}.rich-toolbar{top:74px}}@media(max-width:680px){#editor-area{margin:12px 0 25px;padding:24px 20px;border-left:0;border-right:0;box-shadow:none}.rich-toolbar{top:100px;gap:5px;margin-bottom:20px}.format-controls{flex-wrap:nowrap;overflow-x:auto;width:100%;padding-bottom:3px}.format-controls button{flex-shrink:0}.tool-divider{flex-shrink:0}.document-prose{font-size:15px;min-height:60dvh}.document-prose h1{font-size:23px}.document-prose h2{font-size:20px}.document-prose table{font-size:12px}.document-prose th,.document-prose td{padding:7px}.doc-outline{right:10px;top:160px;width:220px}.rich-toolbar .view-switch{margin-left:0}}

#editing-actions{display:flex;align-items:center;gap:4px}.top-actions .save-document{color:#268a5d;font-weight:650;background:#edf7ef;border:1px solid #d2e7d8}.document-reading .format-controls{visibility:hidden;pointer-events:none}.document-reading #title:focus-visible{outline:none}.document-reading .document-prose{cursor:text}.document-reading .rich-toolbar{border-color:transparent}.document-reading #note-book{background:transparent;color:#8b9b90;opacity:1}#editing-actions button{font-size:15px}#editing-actions .save-document{font-size:11px}@media(max-width:680px){#editing-actions{gap:0}.top-actions{gap:3px;flex-wrap:wrap}.top-actions #save-state{max-width:100px;font-size:8px}.top-actions button{padding:6px}.top-actions .save-document{font-size:10px}.document-reading .rich-toolbar{padding:8px 0}.rich-toolbar{min-height:79px}}

.book-row,.note-row{position:relative;display:flex;align-items:stretch;min-width:0}.book-row>button:first-child,.note-row>button:first-child{flex:1;min-width:0;padding-right:32px}.item-more{position:absolute;right:3px;top:8px;width:27px;padding:2px!important;background:transparent;border:0;font-size:21px;color:#7c9188;opacity:0}.book-row:hover .item-more,.note-row:hover .item-more,.item-more:focus-visible{opacity:1}.notes-context{position:fixed;z-index:5000;min-width:180px;background:#fff;border:1px solid #dae6df;border-radius:10px;padding:6px;box-shadow:0 12px 40px #193a2924}.notes-context button{display:block;width:100%;text-align:left;padding:9px 14px;border:0;border-radius:6px;background:transparent;color:#344a40}.notes-context button:hover,.notes-context button:focus-visible{background:#e9f4ee;color:#23775b;outline:none}.attachments{margin:28px 0 18px;padding:18px;border:1px solid #e1eae5;border-radius:10px;background:#fbfdfc}.attachment-heading{display:flex;justify-content:space-between;align-items:center;gap:12px}.attachment-heading h3{font-size:14px;margin:0}.attachment-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid #e5ece8}.attachment-item img{width:64px;height:48px;object-fit:cover;border-radius:6px}.attachment-info{flex:1;min-width:0}.attachment-info b{display:block;font-size:12px;overflow-wrap:anywhere}.attachment-info small{display:block;color:#7d8e84;font-size:10px}.attachment-item a{color:#3a8a6a;text-decoration:none;font-size:12px}.file-remove{font-size:11px;padding:5px 8px}.drop-zone{margin-top:16px;border:1px dashed #c8dcd0;border-radius:8px;text-align:center;padding:22px 12px;color:#6c8978;font-size:12px}.drop-zone small{display:block;margin-top:6px}.drop-zone.dragging{background:#e5f5ec;border-color:#479575}.drop-zone.readonly{opacity:.6}#upload-progress{font-size:12px;color:#3b8060;overflow-wrap:anywhere}#export-dialog{max-width:480px}#code-language{max-width:130px}.document-prose pre{position:relative;padding-top:32px!important}.document-prose pre:before{content:attr(data-language);position:absolute;top:6px;left:16px;color:#74877f;font:10px/20px ui-monospace,monospace;text-transform:uppercase}.shortcut-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.shortcut-grid p{font-size:12px;border-bottom:1px solid #edf2ee;padding:7px 0}.shortcut-grid code{background:#edf4ef;border-radius:4px;padding:3px 6px}@media(max-width:760px){.item-more{opacity:1}.shortcut-grid{grid-template-columns:1fr}.attachment-item{gap:8px}.attachment-item img{width:42px;height:38px}.attachments{padding:12px}}

.storage-meter{margin:18px 10px;padding:12px;background:#f0f6f2;border:1px solid #e0eae3;border-radius:8px;font-size:11px;color:#56816b}.storage-meter span,.storage-meter small{display:block}.storage-meter progress{display:block;width:100%;height:6px;margin:10px 0;accent-color:#4c9f79}

#books .item-more{width:27px;display:block;margin:0;top:8px;padding:2px!important}#books .item-more:before{content:none}

.inline-attachment{display:inline-flex;align-items:center;gap:12px;position:relative;vertical-align:middle;box-sizing:border-box;max-width:min(360px,100%);min-width:210px;padding:14px 30px 14px 14px;margin:5px 6px 5px 0;background:#f8fcfa;border:1px solid #d5e6dc;border-radius:10px;line-height:1.4;user-select:none}.attachment-file-icon{position:relative;display:block;flex:0 0 44px;width:44px;height:52px}.attachment-file-icon>svg{width:44px;height:52px;fill:#e9f4ee;stroke:#73a68a;stroke-width:1.5;stroke-linejoin:round}.attachment-extension{position:absolute;bottom:11px;left:8px;font:700 8px/1 ui-monospace,monospace;color:#447f60;max-width:31px;overflow:hidden}.attachment-card-info{display:block;min-width:0}.attachment-card-info a{display:block;color:#2d694c!important;font-size:13px;text-decoration:none!important;overflow-wrap:anywhere}.attachment-card-info small{display:block;color:#82978a;font-size:10px;margin-top:6px}.attachment-card-remove{position:absolute;right:4px;top:3px;width:22px;height:22px;min-width:0;padding:0!important;display:grid;place-items:center;font:19px/1 sans-serif;border:0;background:transparent;color:#879b8d;border-radius:50%;cursor:pointer}.attachment-card-remove:hover{background:#fbe8e8;color:#bf4c4c}.attachment-ring{position:absolute;right:-6px;top:-3px;width:29px;height:29px;background:#fff;border-radius:50%;box-shadow:0 1px 5px #2d5f3720}.attachment-ring[hidden],.attachment-card-remove[hidden]{display:none!important}.attachment-ring svg{position:absolute;inset:0;width:29px;height:29px;transform:rotate(-90deg)}.attachment-ring circle{fill:none;stroke-width:2.6}.ring-track{stroke:#e4eee8}.attachment-ring .ring-value{stroke:#4a9b6c;stroke-dasharray:69.115;transition:stroke-dashoffset .15s linear}.attachment-ring>span{position:absolute;inset:0;display:grid;place-items:center;font:7px/1 sans-serif;color:#43855c}.inline-attachment.upload-failed{border-color:#e5b8b8;background:#fff8f8}.inline-attachment.upload-failed small{color:#b26b6b}.attachments>summary{cursor:pointer;color:#64816d;font-size:12px;margin-bottom:12px}.attachment-item button{white-space:nowrap}@media(max-width:600px){.inline-attachment{min-width:180px;max-width:100%;gap:9px}.attachment-item{flex-wrap:wrap}.attachment-item .attachment-info{min-width:100px}}

/* Persistent, high-contrast document navigation. */
#outline-toggle{display:inline-flex;align-items:center;gap:7px;background:#e5f3ec;color:#20694b;border:1px solid #91c4ab;border-radius:8px;padding:7px 13px;font-weight:700;box-shadow:0 2px 5px #20694b12;white-space:nowrap}#outline-toggle span{font-size:19px}#outline-toggle:hover,#outline-toggle[aria-expanded="true"]{background:#297657;color:#fff;border-color:#297657}.usage-guide{display:inline-flex;align-items:center;gap:5px;color:#297657;text-decoration:none;font-size:12px;white-space:nowrap;padding:7px 9px;border:1px solid #d7e7df;border-radius:7px}.usage-guide:hover{background:#e5f3ec}.usage-guide:focus-visible,#outline-toggle:focus-visible{outline:3px solid #74ba98;outline-offset:2px}