:root{font-family:DM Sans,Noto Sans SC,sans-serif;color:#24243a;background:#f6f7fb;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;font-optical-sizing:auto;font-weight:400;--ink:#25243b;--muted:#85879a;--line:#e9eaf1;--purple:#6961df;--pale:#f2f1ff}*{box-sizing:border-box}body{margin:0;min-width:700px;min-height:100vh}button,input,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.45}.app-shell{min-height:100vh}.topbar{height:68px;position:fixed;inset:0 0 auto;z-index:10;background:#fffffff0;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 34px}.brand,.top-actions,.brand>span,.top-actions>*{display:flex;align-items:center}.brand{gap:11px;font-family:Manrope,sans-serif;color:#2a2941;font-size:18px;font-weight:800;letter-spacing:-.8px}.brand-mark,.kicker-mark{display:grid;place-items:center;background:linear-gradient(145deg,#8178ef,#6058d0);color:#fff;border-radius:9px;width:28px;height:28px;font-size:15px;box-shadow:0 4px 10px #6c63df32}.brand-dot{color:var(--purple)}.brand-divider{height:23px;width:1px;background:var(--line);margin:0 4px 0 10px}.space-picker{border:0;background:transparent;color:#636479;font-weight:600;font-size:12px;gap:10px;padding:8px 4px}.space-picker span{font-size:15px;color:#999}.top-actions{gap:16px}.search-box{width:242px;height:35px;border:1px solid #e7e8ef;background:#fafbfc;border-radius:7px;display:flex;align-items:center;padding:0 9px;gap:8px;color:#8d8fa1}.search-box>span{font-size:19px;line-height:1}.search-box input{min-width:0;flex:1;border:0;outline:0;background:transparent;font-size:11px;color:var(--ink)}.search-box kbd{font-size:9px;border:1px solid #e4e5ed;border-radius:4px;padding:2px 4px;color:#9a9bad;white-space:nowrap}.icon-button{width:25px;height:25px;border:1px solid #e8e8f0;border-radius:50%;background:#fff;color:#8c8da1;font-weight:600;font-size:12px;justify-content:center}.avatar{width:28px;height:28px;border-radius:50%;background:#e9e7ff;color:#655ed2;justify-content:center;font-size:10px;font-weight:700}.layout{display:flex;padding-top:68px;min-height:100vh}.sidebar{position:fixed;left:0;top:68px;bottom:0;width:248px;background:#fff;border-right:1px solid var(--line);padding:29px 17px 18px 21px;display:flex;flex-direction:column;overflow:auto}.side-heading{display:flex;align-items:center;justify-content:space-between;color:#a2a3b1;text-transform:uppercase;letter-spacing:.8px;font-weight:700;font-size:9px;padding:0 7px}.tiny-icon{border:0;background:transparent;color:#a1a2b0;font-size:17px}.primary-nav{display:grid;gap:4px;margin-top:15px}.nav-item{border:0;background:transparent;border-radius:6px;height:34px;text-align:left;color:#696a7f;font-size:11px;padding:0 10px;display:flex;align-items:center;gap:12px}.nav-item>span{color:#9b9caf;font-size:14px}.nav-item.active{background:#f1f0ff;color:#625ace;font-weight:600}.nav-item.active>span{color:#7068df}.section-heading{margin-top:34px;margin-bottom:13px}.tree-group,.tree-article{width:100%;border:0;background:transparent;display:flex;align-items:center;text-align:left;color:#626378;font-size:11px;height:31px}.tree-group{gap:9px;font-weight:600;padding:0 6px}.tree-group>span:first-child{color:#9c9dae;font-size:13px;width:9px}.folder-icon{color:#9d9daf;font-size:13px}.tree-article{padding-left:43px;border-left:1px solid #e9eaf1;margin-left:10px;width:calc(100% - 10px);font-size:10px;color:#88899a}.tree-article.selected{color:#6c63d9;font-weight:600;border-left:2px solid #7770e6}.sidebar-empty{padding:12px 8px;font-size:10px;color:#adafba}.sidebar-bottom{margin-top:auto;border-top:1px solid #f0f0f4;padding:16px 5px 0;color:#999aaa;font-size:9px;display:flex;align-items:center;gap:7px}.status-pulse{width:6px;height:6px;border-radius:50%;background:#64c59a;box-shadow:0 0 0 3px #e9f8f1}.main-area{margin-left:248px;flex:1;min-width:0;position:relative}.breadcrumbs{height:45px;padding:0 48px;display:flex;align-items:center;gap:11px;color:#a0a1af;font-size:10px;border-bottom:1px solid #eeeff4;background:#fafbfc}.breadcrumbs span:last-child{color:#696a7d}.welcome-page{max-width:890px;margin:0 auto;padding:66px 56px 60px}.eyebrow{display:flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:1.3px;font-size:9px;font-weight:700;color:#827de2}.eyebrow-dot{width:6px;height:6px;background:#766ee3;border-radius:50%;box-shadow:0 0 0 4px #efeeff}.welcome-page h1{font-family:Manrope,Noto Sans SC,sans-serif;font-size:41px;line-height:1.34;letter-spacing:-1.8px;color:#2e2d46;margin:24px 0 12px;font-weight:700}.welcome-page h1 span{color:#7770df}.welcome-copy{max-width:490px;color:#85869a;font-size:12px;line-height:1.9;margin:0}.welcome-actions{display:flex;gap:10px;margin-top:23px}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:6px;padding:0 15px;height:35px;font-size:10px;font-weight:600}.primary-button{background:#6961dc;color:#fff;border:1px solid #6961dc;box-shadow:0 3px 7px #6c63df29}.primary-button:hover{background:#5b53cb}.secondary-button{background:#fff;color:#74758a;border:1px solid #e5e6ee}.secondary-button span{font-size:14px}.welcome-rule{border-top:1px solid var(--line);margin:42px 0 26px}.recent-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:15px}.recent-head h2{font-size:15px;margin:0 0 5px;letter-spacing:-.3px}.recent-head p{font-size:10px;color:#999aaa;margin:0}.recent-count{font-size:8px;letter-spacing:1px;color:#b1b2bf;font-weight:700}.create-card{border:1px solid #e7e7ef;border-radius:9px;background:#fff;box-shadow:0 6px 22px #27274508;padding:18px;display:flex;align-items:center;gap:14px}.create-icon{width:34px;height:34px;flex:none;border-radius:8px;background:#f1f0ff;color:#7169dd;display:grid;place-items:center;font-size:16px}.create-fields{flex:1;display:grid;gap:5px;min-width:0}.create-fields label{font-size:10px;color:#68697e;font-weight:600}.create-fields input{border:0;border-bottom:1px solid #ededf3;outline:0;padding:4px 0 7px;color:#34344b;font-size:12px;background:transparent}.create-fields input:focus{border-color:#aaa4f2}.create-fields input::placeholder{color:#b8b9c4}.create-fields>span{color:#a1a2b0;font-size:9px}.create-button{height:33px;white-space:nowrap}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:27px}.feature-card{background:#fff;border:1px solid #ebebf1;border-radius:8px;padding:16px 15px;min-height:122px}.feature-icon{height:25px;width:25px;display:grid;place-items:center;border-radius:6px;background:#f5f4ff;color:#746ce0;font-size:13px}.feature-card h3{font-size:10px;margin:10px 0 5px;color:#515267}.feature-card p{font-size:9px;line-height:1.65;color:#9697a7;margin:0}.toast{position:fixed;right:25px;top:82px;z-index:15;background:#27384b;color:#fff;padding:11px 15px;border-radius:7px;font-size:11px;box-shadow:0 10px 30px #1e243426}.toast button{border:0;background:transparent;color:#fff;margin-left:14px}.error-toast{background:#a94555}.editor-page{max-width:1020px;padding:28px 46px 60px;margin:0 auto}.editor-toolbar{height:44px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:flex-start}.editor-mode{display:flex;align-items:center;gap:8px;color:#6d6e82;font-size:10px}.editing-dot{height:7px;width:7px;border-radius:50%;background:#e1a84a}.toolbar-actions{display:flex;align-items:center;gap:10px}.save-state{font-size:9px;color:#9d9eaa;margin-right:3px}.compact{height:29px;padding:0 11px}.title-input{margin-top:25px;width:100%;border:0;outline:0;background:transparent;color:#2c2b43;font-family:Manrope,Noto Sans SC,sans-serif;font-weight:700;letter-spacing:-1px;font-size:30px}.title-input::placeholder{color:#c1c2cd}.editor-meta{display:flex;align-items:center;gap:8px;color:#a0a1af;font-size:9px;margin:10px 0 18px}.editor-meta button{margin-left:auto;border:0;background:transparent;color:#7069db;font-size:9px}.write-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;min-height:57vh}.markdown-input{resize:vertical;min-height:57vh;width:100%;padding:17px;border:1px solid #e8e8ef;border-radius:7px;background:#fff;outline:0;color:#535469;font-family:SFMono-Regular,Consolas,monospace;font-size:11px;line-height:1.85}.markdown-input:focus{border-color:#b7b2ee;box-shadow:0 0 0 3px #eeeefe}.live-preview{position:relative;border:1px solid #e8e8ef;background:#fff;border-radius:7px;padding:20px 21px;overflow:auto;max-height:70vh}.preview-label{position:absolute;right:12px;top:11px;text-transform:uppercase;letter-spacing:.7px;color:#b2b3bf;font-size:8px}.preview-body{margin-top:22px}.markdown-body{color:#56576a;font-size:11px;line-height:1.85}.markdown-body h1,.markdown-body h2,.markdown-body h3{font-family:Manrope,Noto Sans SC,sans-serif;color:#302f47;line-height:1.45;letter-spacing:-.3px}.markdown-body h1{font-size:24px;margin:0 0 15px}.markdown-body h2{font-size:18px;margin:29px 0 11px;padding-bottom:8px;border-bottom:1px solid #ededef}.markdown-body h3{font-size:14px;margin:22px 0 8px}.markdown-body p{margin:9px 0}.markdown-body ul,.markdown-body ol{padding-left:22px}.markdown-body li{padding:2px 0}.markdown-body a{color:#6b63db;text-decoration:none}.markdown-body a:hover{text-decoration:underline}.markdown-body blockquote{margin:14px 0;padding:9px 13px;border-left:3px solid #8a83e8;background:#f7f6ff;color:#737387;border-radius:0 5px 5px 0}.markdown-body pre{background:#242437;color:#e6e4ff;padding:14px;border-radius:6px;overflow:auto;font-size:10px}.markdown-body code{font-family:SFMono-Regular,Consolas,monospace;font-size:.9em;background:#f0f0f5;border-radius:3px;padding:2px 4px}.markdown-body pre code{background:transparent;padding:0;color:inherit}.markdown-body table{border-collapse:collapse;width:100%;font-size:10px}.markdown-body th,.markdown-body td{border:1px solid #e7e7ee;padding:7px 9px;text-align:left}.markdown-body th{background:#f8f8fb}.reader-layout{max-width:1210px;margin:0 auto;padding:39px 46px 70px;display:grid;grid-template-columns:minmax(0,760px) 170px;gap:55px;justify-content:center}.reader-article{min-width:0}.article-kicker{display:flex;align-items:center;gap:8px;color:#9b9cac;letter-spacing:1.3px;font-size:8px;font-weight:700}.kicker-mark{width:18px;height:18px;border-radius:5px;font-size:10px}.article-title{font-family:Manrope,Noto Sans SC,sans-serif;font-size:32px;line-height:1.3;letter-spacing:-1px;color:#2d2c44;margin:19px 0 11px}.article-meta{display:flex;align-items:center;gap:9px;color:#a1a2ae;font-size:9px;padding-bottom:19px;border-bottom:1px solid #ececf1}.meta-dot{color:#c6c6cf}.edit-link{margin-left:auto;border:0;background:transparent;color:#7770da;font-size:9px}.reader-content{font-size:12px;line-height:1.95;padding-top:10px}.reader-content h2{font-size:19px;margin-top:33px}.reader-content h3{font-size:15px}.reader-content pre{margin:15px 0}.article-footer{margin-top:50px;padding:15px 0;border-top:1px solid var(--line);display:flex;align-items:center;gap:9px;color:#999aaa;font-size:9px}.article-footer button{border:1px solid #e7e7ed;border-radius:5px;background:#fff;color:#818296;font-size:9px;padding:5px 8px}.toc{position:sticky;top:103px;align-self:start;margin-top:100px}.toc-header{display:flex;justify-content:space-between;align-items:center;font-size:10px;font-weight:700;color:#5e5f73;margin-bottom:10px}.toc-header button{border:0;background:transparent;color:#a4a5b1}.toc nav{border-left:1px solid #e7e7ee;display:grid;gap:0}.toc-link{font-size:9px;color:#9293a2;text-decoration:none;padding:6px 0 6px 11px;line-height:1.5;border-left:1px solid transparent;margin-left:-1px}.toc-link:hover{color:#6b63dc;border-left-color:#7770df}.toc-link.level-3{padding-left:20px;font-size:8px}.toc-help{display:flex;gap:8px;margin-top:27px;padding:11px 9px;border-radius:6px;background:#f0efff;color:#776fe0}.toc-help>span{font-size:12px}.toc-help b{font-size:8px;color:#625bc9}.toc-help p{font-size:8px;line-height:1.6;color:#8986b9;margin:5px 0 0}@media(max-width:1100px){.sidebar{width:218px}.main-area{margin-left:218px}.reader-layout{grid-template-columns:minmax(0,1fr) 145px;gap:30px;padding-left:32px;padding-right:32px}.welcome-page{padding-left:42px;padding-right:42px}}@media(max-width:820px){.sidebar{width:190px;padding-left:14px;padding-right:12px}.main-area{margin-left:190px}.topbar{padding:0 20px}.breadcrumbs{padding:0 26px}.reader-layout{display:block;padding:30px 28px}.toc{display:none}.welcome-page{padding:50px 30px}.feature-grid{gap:8px}.feature-card{padding:12px}.search-box{width:190px}}@media(max-width:700px){body{min-width:360px}.sidebar{display:none}.main-area{margin-left:0}.topbar{height:58px;padding:0 14px}.layout{padding-top:58px}.brand{font-size:16px}.brand-divider,.space-picker,.search-box kbd,.icon-button{display:none}.top-actions{gap:10px}.search-box{width:34px;border:0;background:transparent;padding:0}.search-box input{display:none}.search-box>span{font-size:22px}.breadcrumbs{height:40px;padding:0 16px}.welcome-page{padding:39px 20px}.welcome-page h1{font-size:31px}.create-card{align-items:flex-start;flex-wrap:wrap}.create-fields{min-width:calc(100% - 52px)}.create-button{margin-left:48px}.feature-grid{grid-template-columns:1fr}.feature-card{min-height:auto}.editor-page{padding:20px 15px}.title-input{font-size:25px}.write-grid{grid-template-columns:1fr}.live-preview,.preview-mode .markdown-input{display:none}.reader-layout{padding:27px 19px}.article-title{font-size:27px}.article-meta{flex-wrap:wrap}.article-meta .edit-link{margin-left:auto}.toast{right:10px;top:67px}}