:root{--bg:#f8f9f6;--panel:#fff;--side:#f0f2ed;--ink:#253c34;--text:#33433d;--muted:#7b8580;--line:#dfe5dc;--accent:#47765b;--wash:#e3eadf;--code:#eef1ec;--shadow:0 8px 28px #233e2b06;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;font-size:14px}body.dark{--bg:#17201c;--panel:#1e2923;--side:#141c18;--ink:#e1ebdf;--text:#c7d2c7;--muted:#8d9e90;--line:#334239;--accent:#a6c299;--wash:#2e4032;--code:#26342b;--shadow:none;color-scheme:dark}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;background:transparent;border:0}a{color:var(--accent);text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}#sidebar{position:fixed;inset:0 auto 0 0;width:252px;background:var(--side);padding:35px 20px;border-right:1px solid var(--line);display:flex;flex-direction:column;z-index:20}.brand{display:flex;align-items:center;gap:13px;color:var(--ink);font-size:23px;font-weight:650;letter-spacing:2px;padding:0 9px 48px}.brand-icon{display:grid;place-items:center;border-radius:12px;background:var(--ink);color:var(--bg);width:43px;height:46px;font-family:serif;font-size:25px}.brand small{display:block;font-size:10px;font-weight:400;letter-spacing:1px;color:var(--muted);margin-top:6px}.nav-label{color:var(--muted);font-size:11px;letter-spacing:1px;padding:0 13px;margin-bottom:13px}.folders-label{margin-top:32px}.nav-button,.folder{display:flex;align-items:center;gap:10px;width:100%;padding:12px 13px;border-radius:7px;text-align:left;font-size:13px;overflow-wrap:anywhere}.nav-button.selected,.folder.selected{background:var(--wash);color:var(--ink);font-weight:600}.nav-button:hover,.folder:hover{background:var(--wash)}.count{margin-left:auto;background:var(--panel);padding:2px 7px;border-radius:5px;font-size:10px}.folder.child{padding-left:29px}.folder .folder-name{flex:1}#folders{overflow:auto}.sidebar-bottom{margin-top:auto;padding:25px 12px 0;font-size:11px;color:var(--muted)}.sidebar-bottom small{display:block;padding:9px 0 0 14px;font-size:10px}.live-dot{display:inline-block;width:6px;height:6px;background:#799c5c;border-radius:50%;margin-right:7px}.workspace{margin-left:252px;min-height:100vh;display:flex;flex-direction:column}header{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 48px;color:var(--muted);font-size:12px;background:var(--bg);gap:15px}.header-actions{display:flex;gap:12px}.icon{font-size:23px;width:32px;height:32px;border-radius:6px}.icon:hover{background:var(--wash)}#breadcrumb{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}main{padding:52px 56px;max-width:1500px;width:100%;margin:0 auto;flex:1}.eyebrow{font-size:10px;letter-spacing:2.1px;color:var(--accent);font-weight:600;margin-bottom:19px}h1{font-size:35px;font-weight:550;letter-spacing:-.7px;color:var(--ink);line-height:1.45;margin:0 0 13px}.muted{color:var(--muted);font-size:12px;line-height:1.7}.search-wrap{display:flex;align-items:center;gap:13px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:32px 0 35px;box-shadow:var(--shadow)}.search-wrap>span{font-size:25px;color:var(--muted)}.search-wrap input{border:0;background:transparent;outline:none;flex:1;min-width:0;color:var(--text);font-size:13px}.search-wrap input::placeholder{color:var(--muted)}kbd{border:1px solid var(--line);border-radius:4px;padding:2px 7px;color:var(--muted)}.section-bar{display:flex;justify-content:space-between;align-items:center;margin:0 0 18px}.section-bar h2{font-size:15px;font-weight:600;margin:0;color:var(--ink)}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.card{display:flex;flex-direction:column;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px;min-height:190px;box-shadow:var(--shadow);transition:transform .15s,border-color .15s}.card:hover{transform:translateY(-2px);border-color:var(--accent)}.card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:18px}.file-icon{font-family:monospace;font-size:11px;border:1px solid var(--line);border-radius:5px;padding:5px;color:var(--accent)}.tag{font-size:10px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:80%}.card h3{font-size:16px;font-weight:600;color:var(--ink);margin:0 0 9px;line-height:1.65;overflow-wrap:anywhere}.snippet{font-size:12px;line-height:1.8;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 20px}.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:auto}.card-foot .arrow{font-size:17px}.empty{grid-column:1/-1;padding:55px 20px;text-align:center;border:1px dashed var(--line);border-radius:12px;color:var(--muted);line-height:2}footer{display:flex;justify-content:space-between;padding:24px 56px;font-size:10px;color:var(--muted);letter-spacing:1px;border-top:1px solid var(--line)}.mobile{display:none}.reader-actions{display:flex;justify-content:space-between;align-items:center;margin:-15px 0 35px;font-size:12px}.reader-actions button{padding:8px 0;color:var(--muted)}.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 180px;gap:45px}.reading-body{min-width:0}#doc-title{font-size:29px;overflow-wrap:anywhere}.doc-meta{color:var(--muted);font-size:11px;border-bottom:1px solid var(--line);padding:8px 0 25px;margin-bottom:30px}#article{font-size:15px;line-height:1.95;overflow-wrap:anywhere}#article h1{font-size:28px}#article h2{font-size:22px;color:var(--ink);margin:40px 0 15px}#article h3{font-size:18px;margin:28px 0 12px;color:var(--ink)}#article h4{font-size:16px}#article h1,#article h2,#article h3,#article h4{scroll-margin-top:25px}#article p{margin:16px 0}#article a{border-bottom:1px solid var(--accent)}#article code{font-size:.87em;background:var(--code);border-radius:4px;padding:3px 5px}#article pre{padding:20px;overflow:auto;background:var(--code);border-radius:9px;font-size:13px;line-height:1.7}#article pre code{padding:0;background:none}#article blockquote{border-left:3px solid var(--accent);background:var(--wash);padding:4px 20px;margin:20px 0;color:var(--text);border-radius:0 6px 6px 0}#article hr{border:0;border-top:1px solid var(--line);margin:32px 0}#article table{border-collapse:collapse;display:block;overflow-x:auto;max-width:100%;font-size:12px;line-height:1.7;margin:20px 0}#article th,#article td{border:1px solid var(--line);padding:10px 13px;min-width:85px}#article th{background:var(--wash);text-align:left}#article img{max-width:100%;border-radius:8px}#article li{margin:7px 0}#toc{position:sticky;top:25px;align-self:start;max-height:80vh;overflow:auto;border-left:1px solid var(--line);padding-left:15px}#toc .nav-label{padding:0;margin-top:5px}#toc a{display:block;color:var(--muted);font-size:11px;line-height:1.7;margin:10px 0;overflow-wrap:anywhere}#toc a:hover{color:var(--accent)}#toc a.sub{padding-left:12px}#status{position:fixed;bottom:25px;left:calc(50% + 100px);transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:12px 20px;border-radius:9px;font-size:12px;box-shadow:var(--shadow);z-index:30;max-width:90vw}#status:empty{display:none}
@media(min-width:1550px){.cards{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1100px){#sidebar{width:218px}.workspace{margin-left:218px}main{padding:38px 30px}.reading-layout{grid-template-columns:minmax(0,1fr)}#toc{display:none}header{padding:0 30px}footer{padding:24px 30px}.card{padding:20px}}
@media(max-width:700px){#sidebar{transform:translateX(-100%);width:260px;transition:transform .2s;box-shadow:15px 0 60px #0002}body.nav-open #sidebar{transform:translateX(0)}.workspace{margin-left:0}.mobile{display:block}header{height:62px;padding:0 18px}main{padding:32px 21px}h1{font-size:28px}.eyebrow{font-size:9px}.cards{grid-template-columns:1fr;gap:12px}.card{min-height:170px}.search-wrap{margin:25px 0}.header-actions{gap:5px}footer{padding:20px;font-size:9px}#status{left:50%}#doc-title{font-size:25px}#article{font-size:14px}.reader-actions{margin:0 0 25px}.sidebar-bottom{padding-bottom:25px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.logged-out #sidebar,.logged-out .workspace{display:none}#login-screen{display:none;min-height:100vh;align-items:center;justify-content:center;padding:25px}.logged-out #login-screen{display:flex}.login-card{width:100%;max-width:440px;padding:38px;background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.login-card .brand{padding:0 0 35px}.login-card h1{font-size:28px}.login-card form{margin-top:27px}label{display:flex;flex-direction:column;gap:9px;font-size:12px;color:var(--text);margin-bottom:18px}label input:not([type=checkbox]){width:100%;padding:12px 13px;border:1px solid var(--line);background:var(--bg);border-radius:7px;color:var(--text);min-width:0}.primary{background:var(--ink);color:var(--bg);border:0;border-radius:7px;padding:12px 20px;font-size:13px;align-self:start}.primary:hover{opacity:.88}button:disabled{opacity:.5;cursor:wait}.login-card .primary{width:100%}.form-error{color:#c35443;font-size:12px;line-height:1.7}.form-error:empty{display:none}.settings-panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:28px;margin:25px 0}.settings-panel h2{font-size:17px;color:var(--ink);margin:0 0 12px}.form-grid{max-width:520px}.settings-panel form{margin-top:22px}fieldset{border:1px solid var(--line);border-radius:8px;padding:17px;margin:12px 0 20px}legend{color:var(--muted);font-size:12px;padding:0 7px}.folder-choices{max-height:270px;overflow:auto}.folder-choices label{flex-direction:row;align-items:flex-start;gap:10px;line-height:1.7;margin:10px 0;overflow-wrap:anywhere}.folder-choices input{accent-color:var(--accent);margin-top:3px}.account-line{display:flex;justify-content:space-between;align-items:center;margin:15px 0 25px;font-size:11px;gap:10px}.account-line button{color:var(--accent);padding:5px}.sidebar-bottom{padding-left:0;padding-right:0}.sidebar-bottom>.live-dot{margin-left:12px}.sidebar-bottom small{padding-left:26px}.notice{background:var(--wash);padding:15px 20px;border-radius:8px;font-size:13px;line-height:1.8}.user-row{border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;gap:20px;align-items:center}.user-details{min-width:0}.user-details strong{display:block;font-size:14px;overflow-wrap:anywhere}.user-details small{display:block;color:var(--muted);font-size:11px;margin-top:8px;line-height:1.8;overflow-wrap:anywhere}.user-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;flex-shrink:0}.user-actions button{font-size:11px;padding:8px 10px;border:1px solid var(--line);border-radius:6px}.user-actions button:hover{background:var(--wash)}dialog{border:1px solid var(--line);background:var(--panel);color:var(--text);border-radius:15px;padding:28px;width:calc(100% - 35px);max-width:540px;max-height:85vh;overflow:auto}dialog::backdrop{background:#14271d88;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px}.dialog-heading h2{font-size:19px;margin:0}.dialog-heading button{font-size:25px}#credential-content{padding:18px;border-radius:8px;background:var(--code);font-size:12px;line-height:2;white-space:pre-wrap;overflow-wrap:anywhere;user-select:all}#permission-form .primary{margin-top:20px}.login-card .form-error{min-height:0}
@media(max-width:700px){.settings-panel{padding:20px}.user-row{flex-direction:column;align-items:flex-start}.user-actions{justify-content:flex-start}.login-card{padding:28px}.sidebar-bottom{padding-bottom:10px}}
.text-button{font-size:12px;padding:7px 12px;border:1px solid var(--line);border-radius:6px;white-space:nowrap}.text-button:hover{background:var(--wash)}.file-list-head,.file-row{display:grid;grid-template-columns:minmax(0,1fr) 155px 65px;gap:22px;align-items:center}.file-list-head{padding:0 20px 13px;color:var(--muted);font-size:11px}.file-list-head>span:last-child{text-align:right}.file-list{display:block;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}.file-row{width:100%;text-align:left;padding:19px 20px;border-bottom:1px solid var(--line);border-radius:0;background:var(--panel)}.file-row:last-child{border-bottom:0}.file-row:hover{background:var(--wash)}.file-identity{display:flex;align-items:center;gap:14px;min-width:0}.file-identity>.file-icon{flex-shrink:0}.file-text{display:flex;flex-direction:column;min-width:0;gap:7px}.file-text strong{font-size:14px;font-weight:550;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink)}.file-text small{font-size:10px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-updated{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.file-size{font-size:11px;text-align:right;color:var(--muted)}.document-tools{display:flex;gap:20px;align-items:center}.reader-actions .primary{color:var(--bg);padding:9px 20px}.editor-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;flex-wrap:wrap}.editor-toolbar strong{display:block;color:var(--ink);font-size:16px}#editor-state{display:block;color:var(--muted);font-size:11px;margin-top:8px}.editor-buttons{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px}.editor-buttons button:not(.primary){border:1px solid var(--line);border-radius:6px;padding:9px 12px;background:var(--panel)}#markdown-editor{display:block;width:100%;min-height:62vh;resize:vertical;border:1px solid var(--line);border-radius:9px;padding:23px;background:var(--panel);color:var(--text);font:14px/1.9 ui-monospace,SFMono-Regular,Consolas,'Microsoft YaHei',monospace;tab-size:2;outline-color:var(--accent);white-space:pre-wrap;overflow-wrap:anywhere}#editor-error{padding:12px 15px;border:1px solid currentColor;border-radius:6px}#editor-error:empty{display:none}
@media(max-width:900px){.file-list-head,.file-row{grid-template-columns:minmax(0,1fr) 130px;gap:15px}.file-size,.file-list-head>span:last-child{display:none}.file-row{padding:17px 15px}.file-text strong{font-size:13px}}
@media(max-width:700px){.file-list-head{display:none}.file-row{grid-template-columns:minmax(0,1fr);gap:9px}.file-updated{padding-left:43px;font-size:10px}.file-text strong{white-space:normal;line-height:1.7}.file-identity{gap:12px}.file-text small{font-size:10px}#markdown-editor{padding:14px;font-size:13px}.editor-buttons{gap:7px}.editor-buttons button:not(.primary){padding:8px}.document-tools{gap:12px}.text-button{padding:6px 8px}}
/* Compact image library and full-size preview. */
.brand{font-size:17px;letter-spacing:0;font-weight:650;line-height:1.6;gap:0;padding-left:8px;padding-right:0}.login-card .brand{font-size:21px;padding-bottom:25px}
#images-page h1{font-size:28px}#image-dropzone{border:1.5px dashed var(--line);border-radius:10px;background:var(--panel);text-align:center;padding:20px;margin:22px 0 10px;transition:background .15s}#image-dropzone.drag-active{background:var(--wash);outline:2px solid var(--accent)}#image-dropzone:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.upload-symbol{display:none}#image-dropzone h2{font-size:16px;color:var(--ink);font-weight:550;margin:0 0 8px}#image-dropzone p{margin:8px 0}.upload-actions{display:flex;justify-content:center;align-items:center;gap:10px;margin:14px 0 10px}.upload-actions .primary,.upload-actions .text-button{padding:9px 13px;font-size:12px}.image-sharing-note{font-size:11px;line-height:1.8;color:var(--muted);margin-bottom:20px}#upload-progress{font-size:12px;line-height:1.8;color:var(--accent);margin:12px 0}#upload-errors{margin-bottom:20px}
.image-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:12px;align-items:start}.image-card{min-width:0;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:var(--panel)}.image-preview{display:flex;width:100%;height:125px;align-items:center;justify-content:center;background:var(--code);padding:8px;overflow:hidden;cursor:zoom-in;border:0}.image-preview:hover{background:var(--wash)}.image-preview img{display:block;max-width:100%;max-height:100%;object-fit:contain;border-radius:3px}.image-card-actions{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:0;border-top:1px solid var(--line)}.image-card-actions .text-button{border:0;border-radius:0;padding:10px 2px;font-size:11px;white-space:nowrap}.image-card-actions .text-button+button{border-left:1px solid var(--line)}.image-card-actions .delete-image{color:#bb5144}.image-card-actions .delete-image:hover{background:#bb514415}.image-card-actions button:disabled{cursor:wait}.image-gallery>.empty{grid-column:1/-1}
#image-viewer{width:min(1120px,calc(100vw - 40px));max-width:none;max-height:calc(100vh - 40px);padding:17px 20px;border-radius:12px;overflow:auto}#image-viewer .dialog-heading{margin:0 0 12px;gap:20px}#image-viewer-title{font-size:14px;overflow-wrap:anywhere;font-weight:550}#close-image-viewer{flex-shrink:0;font-size:26px;width:34px;height:34px;border-radius:6px}#close-image-viewer:hover{background:var(--wash)}.image-viewer-body{display:flex;align-items:center;justify-content:center;min-height:100px}.image-viewer-body img{display:block;max-width:100%;max-height:calc(100vh - 135px);object-fit:contain}.image-viewer-body p{padding:30px 0}
@media(max-width:700px){.brand{font-size:18px}.image-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.image-preview{height:110px}#image-dropzone{padding:16px 12px}#image-dropzone h2{font-size:14px}.upload-actions{flex-wrap:wrap}.header-actions{gap:5px}#images-page h1{font-size:25px}#image-viewer{width:calc(100vw - 20px);max-height:calc(100vh - 20px);padding:12px}.image-viewer-body img{max-height:calc(100vh - 110px)}}

/* Group uploaded images by local calendar month and day. */
.image-gallery{display:block}.image-month{margin:0 0 32px}.image-month-title{font-size:18px;font-weight:600;color:var(--ink);margin:0 0 20px;padding-bottom:12px;border-bottom:1px solid var(--line)}.image-day{margin-bottom:24px}.image-day-title{font-size:12px;font-weight:500;color:var(--muted);margin:0 0 12px}.image-day-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:12px;align-items:start}
@media(max-width:700px){.image-month-title{font-size:16px}.image-day-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.image-month{margin-bottom:26px}}

.file-entry{display:flex;align-items:center;border-bottom:1px solid var(--line);background:var(--panel)}.file-entry:last-child{border-bottom:0}.file-entry .file-row{flex:1;min-width:0;border-bottom:0}.file-delete{flex:0 0 54px;align-self:stretch;padding:12px 5px;margin:0 8px 0 0;font-size:11px;color:#bb5144}.file-delete:hover{background:#bb514415}.delete-document{color:#bb5144}.reader-actions .delete-document{padding:9px 12px;color:#bb5144}.is-admin .file-list-head{padding-right:82px}
@media(max-width:700px){.file-delete{flex-basis:42px;margin-right:5px}.document-tools{gap:8px;flex-wrap:wrap}.reader-actions .delete-document{padding:8px}}

/* Folder permission tree, shared by account creation and editing. */
.folder-choices{max-height:390px;overflow:auto}.folder-tree-help{font-size:11px;line-height:1.8;color:var(--muted);margin:0 0 12px}.folder-tree,.folder-tree-children{list-style:none;margin:0;padding:0}.folder-tree-children{margin-left:21px;padding-left:10px;border-left:1px solid var(--line)}.folder-tree-row{display:flex;align-items:center;gap:2px;min-height:38px;border-radius:6px;padding:2px 5px;margin:3px 0}.folder-tree-row:hover{background:var(--wash)}.folder-tree-root{background:var(--code);margin-bottom:7px}.folder-tree-toggle{flex:0 0 23px;width:23px;height:28px;padding:0;color:var(--muted);font-size:15px;display:grid;place-items:center;border-radius:4px}.folder-tree-toggle:hover{background:var(--line)}.folder-tree-spacer{visibility:hidden}.folder-choices label.folder-tree-label{display:flex;flex:1;min-width:0;align-items:center;gap:8px;margin:0;padding:6px 0;cursor:pointer;line-height:1.5;font-size:12px}.folder-choices .folder-tree-label input{flex:0 0 15px;width:15px;height:15px;margin:0;accent-color:var(--accent);cursor:pointer}.folder-tree-icon{font-size:17px;color:var(--accent);flex-shrink:0}.folder-tree-name{overflow-wrap:anywhere;color:var(--text)}.folder-tree-root .folder-tree-name{font-weight:600}.folder-tree-caption{font-size:10px;color:var(--muted);margin-left:auto;padding-right:6px}.folder-tree-missing{font-size:10px;color:#bb5144}.folder-tree-row.selected .folder-tree-name{color:var(--ink)}
@media(max-width:700px){.folder-tree-children{margin-left:15px;padding-left:6px}.folder-tree-caption{display:none}.folder-choices{max-height:350px}}

/* Real filesystem hierarchy in the navigation panel (no permission checkboxes). */
.navigation-tree,.navigation-children{list-style:none;margin:0;padding:0}.navigation-children{margin-left:12px;padding-left:9px;border-left:1px solid var(--line)}.navigation-row{display:flex;align-items:center;border-radius:7px;margin:3px 0;min-width:0}.navigation-row.selected{background:var(--wash);color:var(--ink);font-weight:600}.navigation-row:hover{background:var(--wash)}.navigation-toggle{flex:0 0 20px;width:20px;height:34px;display:grid;place-items:center;color:var(--muted);font-size:14px;padding:0}.navigation-spacer{visibility:hidden}.navigation-folder{flex:1;min-width:0;display:flex;align-items:center;gap:7px;padding:10px 7px 10px 0;text-align:left;font-size:12px}.navigation-folder .folder-name{flex:1;min-width:0;overflow-wrap:anywhere;line-height:1.6}.navigation-folder-icon{color:var(--muted);font-size:13px;flex-shrink:0}.navigation-folder .count{flex-shrink:0;margin-left:auto;padding:2px 5px;font-size:9px}.navigation-row.selected .navigation-folder-icon{color:var(--accent)}#folders{flex:1;min-height:80px;overflow:auto}.sidebar-bottom{flex-shrink:0}