: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 80px 100px}.page-header{margin-bottom:16px}.page-icon-btn{font-size:48px;cursor:pointer;background:none;border:none;padding:0;line-height:1.2;border-radius:4px}.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}.page-title::placeholder{color:var(--text-tertiary)}.block-editor{min-height:200px}.block-wrapper{position:relative;display:flex;align-items:flex-start}.block-handle{position:absolute;left:-28px;top:2px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;opacity:0;cursor:grab;color:var(--text-tertiary);border-radius:4px}.block-wrapper:hover .block-handle{opacity:1}.block-handle:hover{background:var(--bg-hover)}.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.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 var(--text-tertiary);border-radius:3px;cursor:pointer;flex-shrink:0;margin-top:5px;position:relative}.block-todo input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}.block-todo input[type=checkbox]:checked:after{content:"";position:absolute;left:4px;top:1px;width:4px;height:8px;border:solid white;border-width:0 2px 2px 0;transform:rotate(45deg)}.block-todo .block-content{flex:1}.block-todo.checked .block-content{text-decoration:line-through;color:var(--text-tertiary)}.block-content.code{font-family:var(--font-mono);background:var(--bg-tertiary);padding:12px 16px;border-radius:4px;font-size:14px;white-space:pre-wrap;-moz-tab-size:2;tab-size:2}.block-content.quote{border-left:3px solid var(--text-tertiary);padding-left:16px;color:var(--text-secondary)}.block-divider{height:1px;background:var(--border-color);margin:12px 0;width:100%;border:none}.block-callout{display:flex;align-items:flex-start;gap:8px;background:var(--bg-tertiary);padding:16px;border-radius:4px;width:100%}.block-callout-icon{font-size:20px;flex-shrink:0}.add-block-btn{width:100%;padding:8px;color:var(--text-tertiary);text-align:left;background:none;border:none;cursor:pointer;font-size:14px;border-radius:4px;margin-top:8px}.add-block-btn:hover{background:var(--bg-hover);color:var(--text-secondary)}.slash-menu-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100}.slash-menu{position:absolute;z-index:101;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;box-shadow:0 4px 24px #00000080;width:280px;max-height:320px;overflow-y:auto;padding:4px}.slash-menu-item{display:flex;align-items:center;gap:10px;padding:6px 10px;border-radius:4px;cursor:pointer;color:var(--text-primary);font-size:14px}.slash-menu-item:hover,.slash-menu-item.active{background:var(--bg-hover)}.slash-menu-item-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:16px;background:#fff;color:#000;border-radius:4px}.slash-menu-item-info{flex:1}.slash-menu-item-label{font-weight:500;display:block}.slash-menu-item-desc{font-size:12px;color:var(--text-tertiary);display:block}.slash-menu-empty{padding:16px;text-align:center;color:var(--text-tertiary);font-size:14px}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-tertiary);gap:16px}.empty-state-icon{font-size:64px;opacity:.5}.empty-state-text{font-size:18px;text-align:center}.empty-state-btn{padding:8px 20px;background:var(--accent);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:14px}.empty-state-btn:hover{background:var(--accent-hover)}.loading{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-tertiary)}.spinner{width:24px;height:24px;border:2px solid var(--bg-tertiary);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.icon-btn{background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);border-radius:4px;padding:4px}.icon-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.login-container{display:flex;align-items:center;justify-content:center;height:100vh;background:var(--bg-primary)}.login-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:40px;width:360px;display:flex;flex-direction:column;align-items:center;gap:12px}.login-icon{font-size:48px}.login-title{font-size:24px;font-weight:700;color:var(--text-primary);margin:0}.login-subtitle{font-size:14px;color:var(--text-secondary);margin:0 0 8px}.login-error{background:#eb57571a;border:1px solid var(--danger);color:var(--danger);padding:8px 12px;border-radius:6px;font-size:13px;width:100%;text-align:center}.login-input{width:100%;padding:10px 12px;background:var(--bg-primary);border:1px solid var(--border-color);border-radius:6px;color:var(--text-primary);font-size:14px;outline:none;transition:border-color .2s}.login-input:focus{border-color:var(--accent)}.login-input::placeholder{color:var(--text-tertiary)}.login-btn{width:100%;padding:10px;background:var(--accent);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;margin-top:4px;transition:background .2s}.login-btn:hover{background:var(--accent-hover)}.login-btn:disabled{opacity:.6;cursor:not-allowed}.sidebar-footer{padding:8px 12px;border-top:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-tertiary)}.sidebar-user{display:flex;align-items:center;gap:6px}.logout-btn{background:none;border:none;color:var(--text-tertiary);cursor:pointer;font-size:12px;padding:4px 8px;border-radius:4px}.logout-btn:hover{background:var(--bg-hover);color:var(--danger)}.block-image{width:100%;border-radius:4px;overflow:hidden}.block-image img{width:100%;max-height:500px;object-fit:contain;display:block;border-radius:4px;background:var(--bg-tertiary)}.block-file{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--bg-tertiary);border-radius:4px;color:var(--text-primary);text-decoration:none;width:100%;transition:background .1s}.block-file:hover{background:var(--bg-hover)}.block-file-icon{font-size:20px}.block-file-name{flex:1;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.block-file-download{font-size:12px;color:var(--accent);flex-shrink:0}.page-actions{display:flex;gap:4px;margin-bottom:16px}.page-action-btn{padding:4px 10px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:4px;color:var(--text-secondary);font-size:12px;cursor:pointer;display:flex;align-items:center;gap:4px;transition:all .1s}.page-action-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.page-breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:13px;color:var(--text-tertiary);margin-bottom:12px}.breadcrumb-separator{color:var(--text-tertiary);opacity:.5}.breadcrumb-link{display:inline-flex;align-items:center;gap:4px;cursor:pointer;padding:2px 6px;border-radius:4px;transition:background .1s,color .1s}.breadcrumb-link:hover{background:var(--bg-hover);color:var(--text-primary)}.breadcrumb-link.active{color:var(--text-primary);font-weight:500;cursor:default}.breadcrumb-icon{font-size:14px}.subpages-container{margin:16px 0 24px;padding:12px 16px;background:#ffffff05;border:1px solid var(--border-color);border-radius:8px}.subpages-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.subpages-title{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-secondary);display:flex;align-items:center;gap:6px}.subpages-badge{background:var(--bg-tertiary);color:var(--text-primary);font-size:11px;padding:1px 6px;border-radius:10px}.subpage-add-inline-btn{background:none;border:1px dashed var(--border-color);color:var(--text-secondary);padding:4px 10px;border-radius:5px;font-size:12px;cursor:pointer;transition:all .15s}.subpage-add-inline-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--accent)}.subpages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px}.subpage-card{display:flex;align-items:center;gap:8px;padding:8px 12px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;cursor:pointer;transition:all .15s ease;-webkit-user-select:none;user-select:none}.subpage-card:hover{background:var(--bg-hover);border-color:var(--text-tertiary);transform:translateY(-1px)}.subpage-card-icon{font-size:18px;flex-shrink:0}.subpage-card-title{flex:1;font-size:13px;font-weight:500;color:var(--text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.subpage-card-arrow{color:var(--text-tertiary);font-size:12px;opacity:.6}.subpage-card:hover .subpage-card-arrow{color:var(--accent);opacity:1}