:root{--bg-primary: #191919;--bg-secondary: #202020;--bg-tertiary: #2f2f2f;--bg-hover: #353535;--bg-active: #2d2d2d;--text-primary: #e8e8e8;--text-secondary: #9b9b9b;--text-tertiary: #5a5a5a;--border-color: #2f2f2f;--accent: #2383e2;--accent-hover: #1a73d1;--danger: #eb5757;--sidebar-width: 260px;--topbar-height: 45px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;--font-mono: "SFMono-Regular", Menlo, Consolas, "PT Mono", "Liberation Mono", Courier, monospace}*,*:before,*:after{box-sizing:border-box}body{margin:0;padding:0;background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);line-height:1.5;-webkit-font-smoothing:antialiased}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}::selection{background:#2383e24d}.layout{display:flex;height:100vh}.main-content{flex:1;overflow-y:auto;background:var(--bg-primary)}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;height:100vh;transition:width .2s ease}.sidebar-header{padding:12px;display:flex;align-items:center;justify-content:space-between}.workspace-name{font-weight:600;font-size:14px;color:var(--text-primary);display:flex;align-items:center;gap:8px}.sidebar-actions{display:flex;gap:4px}.sidebar-btn{width:28px;height:28px;border:none;background:none;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;border-radius:4px;cursor:pointer}.sidebar-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.page-list{flex:1;overflow-y:auto;padding:4px 8px}.page-item{display:flex;align-items:center;padding:4px 8px;border-radius:4px;cursor:pointer;color:var(--text-secondary);font-size:14px;gap:4px;transition:background .1s}.page-item:hover{background:var(--bg-hover);color:var(--text-primary)}.page-item.active{background:var(--bg-active);color:var(--text-primary)}.page-item:hover .page-item-actions{opacity:1}.page-item-icon{width:20px;text-align:center;flex-shrink:0}.page-item-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.page-item-actions{opacity:0;display:flex;gap:2px;transition:opacity .1s}.page-children{padding-left:12px}.toggle-btn{width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:4px;cursor:pointer;color:var(--text-tertiary);flex-shrink:0;border:none;background:none;padding:0}.toggle-btn:hover{background:var(--bg-hover)}.topbar{height:var(--topbar-height);display:flex;align-items:center;padding:0 12px;border-bottom:1px solid var(--border-color)}.topbar-breadcrumb{font-size:14px;color:var(--text-secondary);display:flex;align-items:center;gap:4px}.page-view{max-width:900px;margin:0 auto;padding:40px 48px 100px;display:flex;flex-direction:column;align-items:stretch}.page-header{margin-bottom:16px;padding:0;margin-left:24px;margin-right:0}.page-icon-btn{font-size:48px;cursor:pointer;background:none;border:none;padding:0;line-height:1.2;border-radius:4px;display:inline-flex;align-items:center;justify-content:flex-start;color:var(--text-secondary)}.page-icon-btn:hover{background:var(--bg-hover)}.page-title{font-size:40px;font-weight:700;color:var(--text-primary);border:none;background:none;width:100%;outline:none;padding:0;line-height:1.2;margin-top:8px;display:block;text-align:left}.page-title::placeholder{color:var(--text-tertiary)}.block-editor{min-height:200px}.block-wrapper{position:relative;display:flex;align-items:flex-start;padding-left:24px;--controls-left: 24px;border-radius:4px;transition:background-color .12s ease}.block-wrapper:hover{background-color:#ffffff09}.block-wrapper--drop-top:hover,.block-wrapper--drop-bottom:hover,.block-wrapper--drop-middle:hover{background-color:transparent}.block-wrapper--depth-0{--controls-left: 24px;padding-left:24px}.block-wrapper--depth-1{--controls-left: 48px;padding-left:48px}.block-wrapper--depth-2{--controls-left: 72px;padding-left:72px}.block-wrapper--depth-3{--controls-left: 96px;padding-left:96px}.block-wrapper--depth-4{--controls-left: 120px;padding-left:120px}.block-wrapper--depth-5{--controls-left: 144px;padding-left:144px}.block-wrapper--depth-6{--controls-left: 168px;padding-left:168px}.block-chevron{position:absolute;left:calc(var(--controls-left, 24px) - 24px);top:0;flex-shrink:0;width:20px;height:24px;display:inline-flex;align-items:center;justify-content:center;border:none;background:none;color:var(--text-secondary);cursor:pointer;border-radius:4px;font-size:12px;margin:0;padding:0;-webkit-user-select:none;user-select:none;transform:rotate(0);transition:transform .12s ease,color .12s ease,background .12s ease}.block-chevron:hover{background:var(--bg-hover);color:var(--text-primary)}.block-chevron--collapsed{transform:rotate(0)}.block-chevron:not(.block-chevron--collapsed){transform:rotate(90deg)}.block-chevron--placeholder{cursor:default;pointer-events:none}.block-chevron--placeholder:hover{background:none}.block-wrapper--collapsed>.block-content{color:var(--text-secondary)}.block-wrapper--drop-top{box-shadow:inset 0 2px 0 0 var(--accent);border-radius:4px}.block-wrapper--drop-bottom{box-shadow:inset 0 -2px 0 0 var(--accent);border-radius:4px}.block-wrapper--drop-middle{background:#2383e21f;border-radius:4px}.block-handle[draggable=true]{cursor:grab}.block-handle[draggable=true]:active{cursor:grabbing}.block-handle{position:absolute;left:calc(var(--controls-left, 24px) - 44px);top:0;flex-shrink:0;width:20px;height:24px;display:flex;align-items:center;justify-content:center;opacity:0;cursor:grab;color:var(--text-tertiary);border-radius:4px;margin:0;font-size:12px}.block-wrapper:hover .block-handle{opacity:1}.block-handle:hover{background:var(--bg-hover);color:var(--text-secondary)}.block-content{flex:1;outline:none;min-height:1.5em;padding:3px 2px;line-height:1.5;word-break:break-word}.block-content:empty:before{content:attr(data-placeholder);color:var(--text-tertiary);pointer-events:none}.block-content a.inline-link,.readonly-block a.inline-link{color:var(--accent);text-decoration:underline;text-underline-offset:2px;cursor:pointer}.block-content a.inline-link:hover,.readonly-block a.inline-link:hover{color:var(--accent-hover)}.block-content .inline-code,.readonly-block .inline-code{font-family:var(--font-mono);background:#ffffff14;padding:1px 5px;border-radius:3px;font-size:.9em}.block-content strong,.readonly-block strong{font-weight:700}.block-content em,.readonly-block em{font-style:italic}.block-content.heading1{font-size:30px;font-weight:700;margin-top:24px;line-height:1.3}.block-content.heading2{font-size:24px;font-weight:600;margin-top:20px;line-height:1.3}.block-content.heading3{font-size:20px;font-weight:600;margin-top:16px;line-height:1.3}.block-content.bullet_list{padding-left:4px;position:relative}.block-content.bullet_list:before{content:"•";position:absolute;left:-16px;color:var(--text-secondary)}.block-content.numbered_list{padding-left:4px}.block-todo{display:flex;align-items:flex-start;gap:8px;width:100%}.block-todo input[type=checkbox]{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;border:2px solid 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var(--border-color);border-radius:6px}.workspace-settings-preview-icon{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border-radius:6px;font-size:22px;flex-shrink:0}.workspace-settings-preview-name{font-size:14px;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.workspace-settings-label{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:500;color:var(--text-secondary)}.workspace-settings-input{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:4px;padding:8px 10px;font-size:13px;color:var(--text-primary);outline:none;font-family:inherit;transition:border-color .12s,box-shadow .12s}.workspace-settings-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px #2383e233}.workspace-settings-icons{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;background:var(--bg-primary);border:1px solid 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.sidebar-actions{flex-direction:column;gap:2px}.sidebar-footer--collapsed{justify-content:center;padding:8px}.sidebar--mobile{position:fixed;top:0;left:0;bottom:0;width:min(85vw,320px);z-index:200;transform:translate(-100%);transition:transform .25s ease;border-right:1px solid var(--border-color)}.sidebar--mobile-open{transform:translate(0);box-shadow:4px 0 24px #0006}.sidebar--narrow:not(.sidebar--collapsed){position:fixed;top:0;left:0;bottom:0;width:min(85vw,var(--sidebar-width));z-index:200;transform:translate(-100%);transition:transform .25s ease;border-right:1px solid var(--border-color)}.sidebar-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:199;animation:fadeIn .18s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.mobile-sidebar-toggle{position:fixed;top:10px;left:10px;z-index:150;width:40px;height:40px;border-radius:8px;border:1px solid var(--border-color);background:var(--bg-secondary);color:var(--text-primary);font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px #0000004d}.mobile-sidebar-toggle:hover{background:var(--bg-hover)}@media (max-width: 900px){.page-view{padding:32px 32px 80px}.page-title{font-size:32px}.page-icon-btn{font-size:40px}.block-content.heading1{font-size:26px}.block-content.heading2{font-size:22px}.block-content.heading3{font-size:18px}.subpages-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}}@media (max-width: 767px){.page-view{padding:60px 16px 80px}.page-title{font-size:26px}.page-icon-btn{font-size:32px}.block-content.heading1{font-size:22px}.block-content.heading2{font-size:19px}.block-content.heading3{font-size:17px}.page-actions{flex-wrap:wrap}.subpages-grid{grid-template-columns:1fr}.page-breadcrumbs{font-size:12px}.login-card{width:min(90vw,360px);padding:28px 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var(--border-color);border-radius:6px;background:var(--bg-secondary)}.block-table{border-collapse:collapse;width:100%;font-size:14px}.block-table-th,.block-table-td{border-right:1px solid var(--border-color);border-bottom:1px solid var(--border-color);padding:0;position:relative;vertical-align:top;min-width:120px;max-width:320px}.block-table-th:last-child,.block-table-td:last-child{border-right:none}.block-table tbody tr:last-child .block-table-td{border-bottom:none}.block-table-th{background:var(--bg-tertiary);font-weight:600;color:var(--text-primary);text-align:left}.block-table-cell{padding:8px 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10px;background:var(--bg-input, #0f0f12);border:1px solid var(--border-color, #2a2a32);border-radius:6px;color:var(--text-primary, #e8e8ea);font-size:12px;font-family:ui-monospace,SFMono-Regular,monospace;text-overflow:ellipsis}.share-popover-url:focus{outline:none;border-color:var(--accent, #7c5cff)}.share-popover-copy{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:32px;padding:0;background:var(--bg-input, #0f0f12);border:1px solid var(--border-color, #2a2a32);border-radius:6px;color:var(--text-secondary, #b0b0b8);cursor:pointer;transition:background .12s,color .12s}.share-popover-copy:hover{background:var(--bg-hover, rgba(255, 255, 255, .06));color:var(--text-primary, #e8e8ea)}.share-popover-revoke{width:100%;padding:7px 10px;background:transparent;border:1px solid var(--border-color, #2a2a32);border-radius:6px;color:#e06c6c;cursor:pointer;font-size:12.5px;transition:background .12s}.share-popover-revoke:hover:not(:disabled){background:#dc50501a}.share-popover-revoke:disabled{opacity:.5;cursor:not-allowed}.shared-view{display:flex;flex-direction:column;min-height:100vh;background:var(--bg-primary, #0e0e12);color:var(--text-primary, #e8e8ea)}.shared-view-loading,.shared-view-error{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:12px;color:var(--text-secondary, #b0b0b8)}.shared-view-error-icon{color:var(--text-tertiary, #6a6a72)}.shared-view-error-title{font-size:18px;font-weight:600;color:var(--text-primary, #e8e8ea)}.shared-view-error-help{font-size:13px;color:var(--text-secondary, #b0b0b8);max-width:400px;text-align:center}.shared-view-header{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--border-color, #2a2a32);background:var(--bg-elevated, 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#e8e8ea)}.shared-view-empty{padding:32px;text-align:center;color:var(--text-tertiary, #6a6a72);font-size:13px}.shared-view-blocks{display:flex;flex-direction:column;gap:8px}.shared-tree-node{-webkit-user-select:none;user-select:none}.shared-tree-row{display:flex;align-items:center;gap:4px;padding:4px 12px 4px 0;border-radius:6px;margin:0 8px;transition:background .1s}.shared-tree-row:hover{background:var(--bg-hover, rgba(255, 255, 255, .04))}.shared-tree-row.selected{background:#7c5cff26;color:var(--text-primary, #e8e8ea)}.shared-tree-chevron{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;padding:0;background:transparent;border:none;cursor:pointer;color:var(--text-secondary, #b0b0b8);border-radius:3px}.shared-tree-chevron:hover{background:var(--bg-hover, rgba(255, 255, 255, .08))}.shared-tree-label{flex:1;display:flex;align-items:center;gap:6px;padding:0;background:transparent;border:none;cursor:pointer;color:inherit;font:inherit;text-align:left;min-width:0}.shared-tree-icon{flex-shrink:0;width:16px;display:inline-flex;align-items:center;justify-content:center}.shared-tree-title{flex:1;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.shared-tree-root-badge{flex-shrink:0;padding:1px 6px;background:var(--bg-input, #0f0f12);border-radius:8px;font-size:10px;color:var(--text-tertiary, #6a6a72);text-transform:uppercase;letter-spacing:.04em}.readonly-block{font-size:15px;line-height:1.6;color:var(--text-primary, #e8e8ea);word-wrap:break-word;overflow-wrap:break-word}.readonly-paragraph{margin:4px 0;min-height:1.5em}.readonly-h1{font-size:28px;font-weight:700;margin:24px 0 8px;line-height:1.25}.readonly-h2{font-size:22px;font-weight:600;margin:20px 0 6px;line-height:1.3}.readonly-h3{font-size:18px;font-weight:600;margin:16px 0 4px;line-height:1.35}.readonly-list{display:flex;align-items:flex-start;gap:8px;padding-left:4px}.readonly-list-marker{flex-shrink:0;color:var(--text-secondary, #b0b0b8);font-weight:500;min-width:16px}.readonly-todo{display:flex;align-items:flex-start;gap:8px;padding-left:4px}.readonly-checkbox{flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:16px;height:16px;margin-top:4px;border:1.5px solid var(--text-secondary, #b0b0b8);border-radius:3px;font-size:11px;font-weight:700;color:var(--bg-primary, #0e0e12)}.readonly-checkbox.checked{background:var(--accent, #7c5cff);border-color:var(--accent, #7c5cff);color:#fff}.readonly-quote{padding:8px 14px;border-left:3px solid var(--accent, #7c5cff);background:#7c5cff0d;border-radius:0 4px 4px 0;font-style:italic;color:var(--text-secondary, #cfcfd6)}.readonly-callout{padding:12px 14px;background:#7c5cff14;border-radius:6px;border:1px solid rgba(124,92,255,.2)}.readonly-divider{border:none;border-top:1px solid var(--border-color, #2a2a32);margin:12px 0}.readonly-code{background:var(--bg-input, #0a0a0d);padding:12px 14px;border-radius:6px;border:1px solid var(--border-color, #2a2a32);font-family:ui-monospace,SFMono-Regular,monospace;font-size:13px;overflow-x:auto;margin:4px 0}.readonly-code code{background:transparent;padding:0}.readonly-image{margin:4px 0}.readonly-image img{max-width:100%;border-radius:4px;display:block}.readonly-image-placeholder{padding:24px;background:var(--bg-input, #0a0a0d);border:1px dashed var(--border-color, #2a2a32);border-radius:6px;color:var(--text-tertiary, #6a6a72);text-align:center;font-size:13px}.readonly-file{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;background:var(--bg-input, #0a0a0d);border:1px solid var(--border-color, #2a2a32);border-radius:6px;color:var(--text-primary, #e8e8ea);text-decoration:none;font-size:13px}.readonly-file:hover{background:var(--bg-hover, rgba(255, 255, 255, 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10px;border-radius:4px;background:none;border:none;color:var(--text-primary);cursor:pointer;font-size:13px;text-align:left;font-weight:400;letter-spacing:0}.lang-switcher-item:hover{background:var(--bg-hover)}.lang-switcher-item.is-active{background:#ffffff0f;color:var(--text-primary);font-weight:500}.lang-switcher-item-code{font-weight:700;font-size:11px;color:var(--text-secondary);min-width:18px}.lang-switcher-item.is-active .lang-switcher-item-code{color:var(--accent)}.sidebar-footer-row{display:flex;align-items:center;justify-content:space-between;gap:8px;flex:1}.sidebar-footer--collapsed{flex-direction:column;gap:6px}