:root{--brand: #4f6ef7;--brand-2: #7c5cf5;--brand-grad: linear-gradient(135deg, #4f6ef7 0%, #7c5cf5 100%);--brand-soft: rgba(79, 110, 247, .1);--ok: #10b981;--warn: #f59e0b;--danger: #ef4444;--bg: #ffffff;--bg-1: #f8f9fc;--bg-2: #f1f2f7;--bg-side: #fbfbfd;--bg-hover: #ecedf3;--bg-active: #e6e8f2;--card: #ffffff;--border: #e7e8ee;--border-strong: #d8dae5;--text: #1f2330;--text-2: #5b6172;--text-3: #9298ab;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);--shadow-md: 0 4px 12px rgba(16, 24, 40, .08);--shadow-lg: 0 12px 40px rgba(16, 24, 40, .16);--radius: 8px;--radius-lg: 12px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", sans-serif;--mono: "SF Mono", "JetBrains Mono", Consolas, "Liberation Mono", monospace;--editor-bg: #ffffff;--code-bg: #f6f7f9}[data-theme=dark]{--bg: #15161c;--bg-1: #1a1c24;--bg-2: #22242e;--bg-side: #191b22;--bg-hover: #262935;--bg-active: #2c3040;--card: #1c1e26;--border: #2a2d3a;--border-strong: #363a4b;--text: #e8eaf2;--text-2: #a4a9bc;--text-3: #6b7186;--brand-soft: rgba(124, 138, 255, .14);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4);--shadow-md: 0 4px 14px rgba(0, 0, 0, .45);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .6);--editor-bg: #15161c;--code-bg: #1e2028}*{box-sizing:border-box}html,body,#app{height:100%;margin:0}body{color:var(--text);background:var(--bg);font-size:14.5px;font-family:var(--font);-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-3)}::-webkit-scrollbar-track{background:transparent}button{font:inherit;color:inherit;border:none;background:none;cursor:pointer}input,textarea,select{font:inherit;color:inherit}a{color:var(--brand);text-decoration:none}.app-layout{display:flex;height:100%;background:var(--bg)}.sidebar{width:264px;min-width:264px;background:var(--bg-side);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:width .2s}.main-area{flex:1;display:flex;flex-direction:column;min-width:0}.content-scroll{flex:1;overflow-y:auto}.page-container{max-width:780px;margin:0 auto;padding:44px 56px 30vh}.side-head{padding:14px 16px 10px;display:flex;align-items:center;gap:10px}.brand-mark{width:34px;height:34px;border-radius:9px;background:var(--brand-grad);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px;box-shadow:var(--shadow-sm);flex:none}.side-nav{padding:6px 10px;display:flex;flex-direction:column;gap:2px}.nav-item{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:7px;color:var(--text-2);font-size:13.5px;cursor:pointer;transition:all .12s;position:relative}.nav-item:hover{background:var(--bg-hover);color:var(--text)}.nav-item.active{background:var(--brand-soft);color:var(--brand);font-weight:600}.nav-item .icon{flex:none}.nav-item kbd{margin-left:auto;font-size:10.5px;color:var(--text-3);border:1px solid var(--border);border-radius:4px;padding:0 5px;font-family:var(--mono)}.side-section-title{padding:14px 22px 4px;font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;display:flex;align-items:center}.side-section-title button{margin-left:auto;color:var(--text-3)}.side-section-title button:hover{color:var(--brand)}.side-pages{flex:1;overflow-y:auto;padding:0 10px 12px}.side-foot{border-top:1px solid var(--border);padding:10px}.grid{display:grid;gap:14px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 18px;display:flex;flex-direction:column;gap:6px;transition:all .15s}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.stat-card .label{font-size:12.5px;color:var(--text-2);display:flex;align-items:center;gap:6px}.stat-card .value{font-size:26px;font-weight:700;letter-spacing:-.02em}.stat-card .sub{font-size:11.5px;color:var(--text-3)}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px 20px}.card-title{font-size:13.5px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}.card-title .spacer{flex:1}.row-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;cursor:pointer;transition:background .12s}.row-item:hover{background:var(--bg-hover)}.row-item .icon-wrap{width:36px;height:36px;border-radius:8px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;font-size:17px;flex:none}.row-item .meta{flex:1;min-width:0}.row-item .t{font-size:13.5px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.row-item .d{font-size:11.5px;color:var(--text-3);margin-top:1px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 14px;border-radius:7px;background:var(--card);border:1px solid var(--border-strong);font-size:13px;font-weight:500;transition:all .12s;white-space:nowrap}.btn:hover{background:var(--bg-hover);border-color:var(--text-3)}.btn.primary{background:var(--brand-grad);color:#fff;border:none;box-shadow:0 2px 8px #4f6ef759}.btn.primary:hover{filter:brightness(1.08);box-shadow:0 4px 14px #4f6ef773}.btn.danger{color:var(--danger)}.btn.subtle{border:none;background:transparent;color:var(--text-2)}.btn.subtle:hover{background:var(--bg-hover);color:var(--text)}.btn.sm{padding:4px 10px;font-size:12.5px}.btn:disabled{opacity:.5;cursor:not-allowed}.icon-btn{width:30px;height:30px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);transition:all .12s;flex:none}.icon-btn:hover{background:var(--bg-hover);color:var(--text)}.field{width:100%;padding:8px 12px;border:1px solid var(--border-strong);border-radius:7px;outline:none;background:var(--bg);transition:all .15s}.field:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}select.field{background:var(--bg)}.label{font-size:12.5px;color:var(--text-2);margin-bottom:6px;display:block;font-weight:500}.tag-chip{display:inline-flex;align-items:center;gap:5px;font-size:11.5px;border-radius:5px;padding:2px 8px;background:var(--brand-soft);color:var(--brand);cursor:pointer;font-weight:500}.badge{font-size:10.5px;padding:1px 7px;border-radius:4px;font-weight:600;background:var(--bg-2);color:var(--text-2)}.badge.ok{background:#10b9811f;color:var(--ok)}.badge.danger{background:#ef44441f;color:var(--danger)}.badge.brand{background:var(--brand-soft);color:var(--brand)}.table{width:100%;border-collapse:collapse;font-size:13px}.table th{text-align:left;padding:9px 12px;color:var(--text-3);font-weight:500;font-size:12px;border-bottom:1px solid var(--border);white-space:nowrap}.table td{padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:middle}.table tr:hover td{background:var(--bg-1)}.table tr:last-child td{border-bottom:none}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0a0c1473;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:flex-start;justify-content:center;z-index:100;padding-top:10vh;animation:fadein .15s}@keyframes fadein{0%{opacity:0}to{opacity:1}}.modal{width:640px;max-width:94vw;background:var(--card);border-radius:14px;border:1px solid var(--border);box-shadow:var(--shadow-lg);overflow:hidden;display:flex;flex-direction:column;max-height:74vh;animation:pop .18s cubic-bezier(.2,.9,.3,1.2)}@keyframes pop{0%{transform:scale(.96) translateY(8px);opacity:0}to{transform:none;opacity:1}}.modal-input{width:100%;border:none;outline:none;padding:15px 18px;font-size:15.5px;border-bottom:1px solid var(--border);background:transparent}.modal-body{overflow-y:auto;padding:8px}.modal-foot{padding:12px 16px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end;align-items:center}.modal-head{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}.modal-head b{flex:1;font-size:14.5px}.modal-item{padding:9px 12px;border-radius:8px;cursor:pointer;display:flex;gap:10px;align-items:center;transition:background .1s}.modal-item.active,.modal-item:hover{background:var(--bg-hover)}.snippet{font-size:12.5px;color:var(--text-3);margin-top:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}.snippet b{color:var(--text-2);background:#f5c84259;font-weight:600;border-radius:2px}.dropdown{position:relative}.dropdown-panel{position:absolute;top:calc(100% + 4px);right:0;min-width:170px;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-lg);padding:5px;z-index:60;animation:pop .15s}.dropdown-item{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:6px;font-size:13px;cursor:pointer;color:var(--text-2);width:100%}.dropdown-item:hover{background:var(--bg-hover);color:var(--text)}.dropdown-item.danger{color:var(--danger)}.dropdown-sep{height:1px;background:var(--border);margin:4px 8px}.toast-wrap{position:fixed;top:18px;left:50%;transform:translate(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;align-items:center}.toast{display:flex;align-items:center;gap:9px;padding:10px 18px;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-lg);font-size:13.5px;animation:toastin .25s;max-width:480px}@keyframes toastin{0%{transform:translateY(-12px);opacity:0}to{transform:none;opacity:1}}.toast.ok .icon{color:var(--ok)}.toast.error .icon{color:var(--danger)}.page-title-input{width:100%;border:none;outline:none;font-size:38px;font-weight:800;letter-spacing:-.02em;line-height:1.25;margin-bottom:6px;background:transparent;resize:none;overflow:hidden;font-family:var(--font)}.page-title-input::placeholder{color:var(--border-strong)}.tiptap{outline:none;min-height:420px;caret-color:var(--brand);font-size:15.5px}.tiptap p{line-height:1.75;margin:4px 0;color:var(--text)}.tiptap h1,.tiptap h2,.tiptap h3{margin:22px 0 8px;line-height:1.3;letter-spacing:-.01em}.tiptap h1{font-size:29px}.tiptap h2{font-size:23px}.tiptap h3{font-size:19px}.tiptap ul,.tiptap ol{padding-left:26px;margin:4px 0}.tiptap li{margin:2px 0}.tiptap li p{margin:0}.tiptap blockquote{border-left:3px solid var(--brand);margin:10px 0;color:var(--text-2);background:var(--brand-soft);border-radius:0 6px 6px 0;padding:8px 14px}.tiptap code{background:var(--code-bg);border-radius:4px;padding:2px 6px;font-size:.85em;color:var(--danger);font-family:var(--mono);border:1px solid var(--border)}.tiptap pre{background:var(--code-bg);border:1px solid var(--border);border-radius:10px;padding:14px 16px;overflow-x:auto;font-size:13px;line-height:1.65;font-family:var(--mono)}.tiptap pre code{background:none;color:inherit;padding:0;border:none}.tiptap img{max-width:100%;border-radius:8px;margin:8px 0;box-shadow:var(--shadow-sm)}.tiptap hr{border:none;border-top:1px solid var(--border);margin:18px 0}.tiptap a{color:var(--brand);text-decoration:underline;text-underline-offset:2px}.tiptap table{border-collapse:collapse;margin:10px 0;width:100%;font-size:13.5px}.tiptap td,.tiptap th{border:1px solid var(--border-strong);padding:7px 11px}.tiptap th{background:var(--bg-2);font-weight:600}.tiptap ul[data-type=taskList]{list-style:none;padding-left:4px}.tiptap ul[data-type=taskList] li{display:flex;gap:9px;align-items:flex-start}.tiptap ul[data-type=taskList] input{margin-top:5px;accent-color:var(--brand)}.tiptap .callout{background:var(--brand-soft);border:1px solid rgba(79,110,247,.2);border-radius:10px;padding:13px 15px;margin:10px 0;display:flex;gap:11px}.tiptap .callout .callout-emoji{flex:none;font-size:17px}.tiptap .callout p{margin:0}.tiptap p.is-editor-empty:first-child:before{content:attr(data-placeholder);color:var(--border-strong);float:left;height:0;pointer-events:none}.tiptap ::selection{background:#4f6ef740}.tiptap mark{background:#f5c84280;border-radius:2px;padding:0 2px}.sel-toolbar{position:fixed;z-index:250;display:flex;gap:2px;padding:4px;background:var(--card);border:1px solid var(--border);border-radius:9px;box-shadow:var(--shadow-lg);animation:pop .12s}.sel-toolbar button{width:30px;height:28px;border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--text-2);font-size:13px;font-weight:700}.sel-toolbar button:hover{background:var(--bg-hover);color:var(--text)}.sel-toolbar button.on{background:var(--brand-soft);color:var(--brand)}.tree-row{display:flex;align-items:center;gap:4px;padding:4px 7px;border-radius:7px;cursor:pointer;color:var(--text-2);-webkit-user-select:none;user-select:none;transition:all .1s;font-size:13.5px}.tree-row:hover{background:var(--bg-hover);color:var(--text)}.tree-row.active{background:var(--brand-soft);color:var(--brand);font-weight:600}.tree-row .tw{width:17px;height:17px;display:flex;align-items:center;justify-content:center;color:var(--text-3);flex:none}.tree-row .title{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tree-children{margin-left:15px;border-left:1px solid var(--border);padding-left:4px}.row-actions{display:none;gap:2px}.tree-row:hover .row-actions{display:flex}.row-actions button{padding:1px 3px;border-radius:4px;color:var(--text-3);font-size:12px}.row-actions button:hover{background:var(--bg-active);color:var(--text)}.menu{position:relative;z-index:50;background:var(--card);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-lg);padding:5px;margin:2px 0 2px 26px;width:170px}.menu-item{padding:7px 10px;border-radius:6px;font-size:13px;cursor:pointer;display:flex;gap:8px;align-items:center}.menu-item:hover{background:var(--bg-hover)}.menu-item.danger{color:var(--danger)}.topbar{height:48px;display:flex;align-items:center;gap:6px;padding:0 14px;border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.crumb{font-size:13px;color:var(--text-3);display:flex;gap:4px;align-items:center;min-width:0}.crumb .cur{color:var(--text);font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.save-state{font-size:12px;color:var(--text-3)}.save-state.saving{color:var(--brand)}.save-state.conflict{color:var(--danger);cursor:pointer}.spacer{flex:1}.ai-panel{width:400px;min-width:400px;border-left:1px solid var(--border);display:flex;flex-direction:column;background:var(--bg-1)}.ai-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:14px}.msg{border-radius:12px;padding:11px 13px;font-size:13.5px;line-height:1.65;white-space:pre-wrap;word-break:break-word;max-width:92%}.msg.user{background:var(--brand-grad);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.msg.assistant{background:var(--card);border:1px solid var(--border);align-self:flex-start;border-bottom-left-radius:4px}.msg .typing{display:inline-flex;gap:3px}.msg .typing i{width:5px;height:5px;background:var(--text-3);border-radius:50%;animation:blink 1s infinite}.msg .typing i:nth-child(2){animation-delay:.2s}.msg .typing i:nth-child(3){animation-delay:.4s}@keyframes blink{0%,to{opacity:.25}50%{opacity:1}}.citations{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.citation-chip{font-size:11.5px;background:var(--bg-2);border:1px solid var(--border);border-radius:6px;padding:3px 9px;cursor:pointer;transition:all .12s}.citation-chip:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand)}.ai-input{padding:12px 14px;border-top:1px solid var(--border);display:flex;gap:8px;background:var(--bg-1)}.quota-tip{font-size:11px;color:var(--text-3);padding:0 14px 8px}.auth-page{height:100%;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 15% -10%,rgba(79,110,247,.16),transparent 60%),radial-gradient(900px 500px at 110% 110%,rgba(124,92,245,.14),transparent 60%),var(--bg-1)}.auth-card{width:400px;background:var(--card);border-radius:18px;border:1px solid var(--border);box-shadow:var(--shadow-lg);padding:36px;animation:pop .3s cubic-bezier(.2,.9,.3,1.1)}.auth-card h1{font-size:21px;margin:14px 0 4px;letter-spacing:-.01em}.auth-card .sub{font-size:13px;color:var(--text-3);margin-bottom:22px}.auth-error{color:var(--danger);font-size:12.5px;margin-bottom:10px}.auth-switch{font-size:12.5px;color:var(--text-3);margin-top:16px}.auth-switch a{color:var(--brand);cursor:pointer;font-weight:500}.auth-feats{display:flex;gap:16px;margin-top:22px;padding-top:18px;border-top:1px solid var(--border)}.auth-feats div{font-size:11px;color:var(--text-3);display:flex;align-items:center;gap:5px}.empty-page{height:100%;display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;color:var(--text-3)}.skeleton{background:linear-gradient(90deg,var(--bg-2) 25%,var(--bg-hover) 50%,var(--bg-2) 75%);background-size:200% 100%;animation:sk 1.2s infinite;border-radius:6px}@keyframes sk{0%{background-position:200% 0}to{background-position:-200% 0}}.admin-layout{display:flex;height:100%}.admin-side{width:220px;background:var(--bg-side);border-right:1px solid var(--border);padding:16px 10px;display:flex;flex-direction:column;gap:2px}.admin-main{flex:1;overflow-y:auto;padding:24px 28px;background:var(--bg-1);min-width:0}.admin-title{font-size:19px;font-weight:700;margin-bottom:18px;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}.kv{display:flex;align-items:center;gap:8px}.chart-wrap{width:100%}.chart-tip{font-size:11px;fill:var(--text-3)}.wb-greeting{font-size:24px;font-weight:800;letter-spacing:-.02em;margin-bottom:4px}.wb-sub{font-size:13px;color:var(--text-3);margin-bottom:22px}.announce{background:var(--brand-soft);border:1px solid rgba(79,110,247,.25);color:var(--text);border-radius:10px;padding:10px 14px;font-size:13px;margin-bottom:18px;display:flex;gap:9px;align-items:center}.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.tpl-card{border:1px solid var(--border);border-radius:12px;padding:16px;cursor:pointer;transition:all .15s;background:var(--card);text-align:left}.tpl-card:hover{border-color:var(--brand);box-shadow:var(--shadow-md);transform:translateY(-2px)}.tpl-card .emoji{font-size:26px;margin-bottom:8px}.tpl-card .name{font-size:13.5px;font-weight:600}.tpl-card .desc{font-size:11.5px;color:var(--text-3);margin-top:3px;line-height:1.4}@media (max-width: 1100px){.ai-panel{width:320px;min-width:320px}.sidebar{width:230px;min-width:230px}}.ws-switcher{display:flex;align-items:center;gap:6px;width:100%;padding:5px 8px;border-radius:8px;transition:background .12s}.ws-switcher:hover{background:var(--bg-hover)}.kb-section{margin-bottom:2px}.kb-head{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:8px;cursor:pointer;color:var(--text);-webkit-user-select:none;user-select:none;transition:background .12s}.kb-head:hover{background:var(--bg-hover)}.kb-head .kb-name{flex:1;font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.kb-actions{display:none;gap:3px}.kb-head:hover .kb-actions{display:flex}.kb-actions button{padding:2px;border-radius:4px;color:var(--text-3)}.kb-actions button:hover{background:var(--bg-active);color:var(--text)}.kb-body{margin-left:12px}