@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--login-bg: #fbfbfa;--login-card-bg: #ffffff;--login-border: #e5e5e5;--login-border-light: #e0e0e0;--login-text-primary: #37352f;--login-text-secondary: #6b6b6b;--login-text-tertiary: #888;--login-primary-color: #3b82f6;--login-secondary-color: #667eea;--login-danger-color: #ef4444;--login-success-color: #10b981;--login-gradient: linear-gradient(135deg, #fbfbfa 0%, #f5f5f5 100%);--login-shadow: rgba(0, 0, 0, .1);--login-overlay: rgba(0, 0, 0, .05);--input-bg: #ffffff;--input-border: #e0e0e0;--input-text: #37352f;--button-hover: rgba(59, 130, 246, .1)}@media (prefers-color-scheme: dark){:root{--login-bg: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);--login-card-bg: #2a2a2a;--login-border: #333333;--login-border-light: #444444;--login-text-primary: #ffffff;--login-text-secondary: #cccccc;--login-text-tertiary: #aaaaaa;--login-primary-color: #3b82f6;--login-secondary-color: #667eea;--login-danger-color: #ef4444;--login-success-color: #10b981;--login-gradient: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);--login-shadow: rgba(0, 0, 0, .5);--login-overlay: rgba(0, 0, 0, .3);--input-bg: #1e1e1e;--input-border: #333333;--input-text: #ffffff;--button-hover: rgba(102, 126, 234, .2)}}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--login-bg);padding:20px}.login-card{background:var(--login-card-bg);border-radius:12px;box-shadow:0 20px 60px var(--login-shadow);width:100%;max-width:400px;padding:40px;border:1px solid var(--login-border)}.login-header{text-align:center;margin-bottom:30px}.login-header h1{margin:0;color:var(--login-text-primary);font-size:24px;font-weight:600}.login-header p{margin:8px 0 0;color:var(--login-text-secondary);font-size:14px}.login-form{display:flex;flex-direction:column;gap:20px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group label{font-size:14px;font-weight:500;color:var(--login-text-secondary)}.form-group input{padding:12px 16px;background:var(--input-bg);border:2px solid var(--input-border);border-radius:8px;font-size:16px;color:var(--input-text);transition:all .2s}.form-group input:focus{outline:none;border-color:var(--login-primary-color);box-shadow:0 0 0 3px #3b82f61a}.form-group input:disabled{opacity:.6;cursor:not-allowed}.form-group input::placeholder{color:var(--login-text-tertiary)}.login-btn{background:var(--login-primary-color);color:#fff;border:none;border-radius:8px;padding:16px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s;letter-spacing:.5px;position:relative;overflow:hidden}.login-btn:hover:not(:disabled){background:var(--login-secondary-color);transform:translateY(-2px);box-shadow:0 8px 25px #667eea66}.login-btn:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .6s ease}.login-btn:hover:after{left:100%}.login-btn:disabled{opacity:.6;cursor:not-allowed}.login-footer{text-align:center;margin-top:30px;color:var(--login-text-tertiary);font-size:14px}.login-footer .link{color:var(--login-primary-color);text-decoration:none;font-weight:500}.login-footer .link:hover{text-decoration:underline}.error-message{background-color:#ef44441a;border:1px solid var(--login-danger-color);border-radius:8px;color:var(--login-danger-color);padding:12px 16px;margin-bottom:20px;font-size:14px;font-weight:500}.success-message{background-color:#10b9811a;border:1px solid var(--login-success-color);border-radius:8px;color:var(--login-success-color);padding:12px 16px;margin-bottom:20px;font-size:14px;font-weight:500}.demo-credentials{margin-top:15px;padding:12px;background-color:var(--input-bg);border-radius:8px;font-family:monospace;font-size:12px;color:var(--login-text-secondary);border:1px solid var(--login-border);line-height:1.5}@media (max-width: 480px){.login-card{padding:30px 24px;margin:0 16px}.login-header h1{font-size:22px}.login-btn{padding:14px}}.login-btn:focus-visible,.form-group input:focus-visible{outline:2px solid var(--login-primary-color);outline-offset:2px}.expired-message{background-color:#fff3cd;border:1px solid #ffc107;color:#856404;padding:12px;border-radius:6px;margin-bottom:20px;text-align:center}.sidebar-toggle{position:fixed;top:20px;left:20px;z-index:1000;width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid #e0e0e0;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 20px #00000026;transition:all .2s;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.sidebar-toggle:hover{background:#f5f5f5;transform:scale(1.1);box-shadow:0 6px 25px #0003}.sidebar{width:320px;background:#fbfbfa;border-right:1px solid #e5e5e5;height:100vh;position:fixed;left:0;top:0;overflow-y:auto;z-index:100;transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;box-shadow:2px 0 20px #0000000d}.sidebar:not(.open){transform:translate(-100%)}.sidebar.open{transform:translate(0)}.timeline-loading{padding:40px 24px;text-align:center}.loading-spinner{width:30px;height:30px;border:3px solid #f3f3f3;border-top:3px solid #3b82f6;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}.empty-timeline{text-align:center;padding:60px 24px;color:#888}.empty-timeline .empty-icon{margin-bottom:20px;color:#ccc}.empty-timeline h3{font-size:18px;margin-bottom:8px;color:#333}.empty-timeline p{font-size:14px;color:#666}.timeline-list{list-style:none;padding:0;margin:0}.timeline-page-item{border-bottom:1px solid #e5e5e5}.timeline-page-header{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;cursor:pointer;transition:background .2s}.timeline-page-header:hover{background:#f8f9fa}.page-icon-title{display:flex;align-items:center;gap:12px}.page-icon-small{font-size:20px;width:32px;height:32px;border-radius:6px;background:#f5f5f5;display:flex;align-items:center;justify-content:center}.page-title-timeline{font-weight:600;color:#333;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100px;display:block}.timeline-stats{display:flex;align-items:center;gap:12px}.entry-count{font-size:12px;color:#666;background:#e5e5e5;padding:2px 8px;border-radius:10px}.toggle-icon{font-size:10px;transition:transform .2s}.toggle-icon.expanded{transform:rotate(180deg)}.page-entries-list{list-style:none;padding:0;margin:0;background:#fafafa;border-top:1px solid #e5e5e5}.timeline-entry{display:flex;padding:12px 24px;cursor:pointer;transition:background .2s;border-bottom:1px solid #eee;align-items:flex-start;gap:12px}.timeline-entry:last-child{border-bottom:none}.timeline-entry:hover{background:#f5f5f5}.create-operation{border-left:3px solid #10b981}.update-operation{border-left:3px solid #f8eb39ff}.delete-operation{border-left:3px solid #ef4444}.snapshot-operation{border-left:3px solid #3b82f6}.entry-time{display:flex;flex-direction:column;gap:4px;min-width:70px}.time-text{font-weight:600;color:#333;font-size:13px}.time-ago{font-size:11px;color:#888}.entry-details{flex:1}.entry-operation{display:flex;align-items:center;gap:8px;margin-bottom:6px}.operation-badge{font-size:12px;font-weight:600;color:#333}.snapshot-badge{font-size:10px;background:#3b82f6;color:#fff;padding:2px 6px;border-radius:4px}.entry-preview{font-size:12px;color:#666;margin-bottom:6px;font-style:italic}.entry-blocks{display:flex;gap:4px;flex-wrap:wrap}.block-type-tag{font-size:10px;background:#f5f5f5;color:#666;padding:2px 6px;border-radius:4px}.entry-actions{opacity:0;transition:opacity .2s}.timeline-entry:hover .entry-actions{opacity:1}.entry-actions .action-btn{width:24px;height:24px;border-radius:4px;border:1px solid #e0e0e0;background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:10px;transition:all .2s}.entry-actions .view-btn{color:#666}.entry-actions .view-btn:hover:not(:disabled){background:#3b82f6;border-color:#3b82f6;color:#fff}.entry-actions .view-btn:disabled{opacity:.3;cursor:not-allowed}.page-list{list-style:none;padding:10px 24px 24px;margin:0}.page-item{display:flex;justify-content:space-between;align-items:center;padding:0 2px;border-radius:8px;margin-bottom:2px;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);border:1px solid transparent;background:#fff;box-shadow:0 1px 3px #0000000d}.page-item:hover{background:#fff;border-color:#3b82f6;box-shadow:0 4px 20px #3b82f626;transform:translate(4px)}.page-item-main{display:flex;align-items:center;gap:14px;flex:1;min-width:0}.page-icon-wrapper{position:relative;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;margin-right:8px;flex-shrink:0}.page-icon-sidebar{width:100%;height:100%;display:flex;align-items:center;justify-content:center;border-radius:4px;background:#f5f5f5;border:1px solid #e0e0e0;overflow:hidden;transition:all .2s ease}.page-icon-wrapper:hover .page-icon-sidebar{background:#e8e8e8;transform:scale(1.05)}.page-icon-emoji{font-size:14px;line-height:1;display:flex;align-items:center;justify-content:center;width:100%;height:100%;-webkit-user-select:none;user-select:none}.page-icon-sidebar img{width:100%;height:100%;object-fit:cover;border-radius:3px}.page-icon-placeholder{font-size:14px;color:#999;opacity:.7}.favorite-indicator{position:absolute;top:-4px;right:-4px;width:12px;height:12px;background:#ffc107;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 2px #0000001a;z-index:1;border:1px solid white}.favorite-indicator svg{color:#fff;stroke-width:1px;stroke:#0000001a}.page-icon-wrapper.small{width:20px;height:20px}.page-info{flex:1;min-width:0}.page-icon-wrapper.small .page-icon-emoji{font-size:12px}.page-icon-wrapper.small .favorite-indicator{width:10px;height:10px;top:-3px;right:-3px}.page-icon-wrapper.small .favorite-indicator svg{width:6px;height:6px}.page-icon-wrapper.large{width:32px;height:32px}.page-icon-wrapper.large .page-icon-emoji{font-size:18px}.page-icon-wrapper.large .favorite-indicator{width:14px;height:14px;top:-5px;right:-5px}.page-icon-wrapper.large .favorite-indicator svg{width:8px;height:8px}.page-icon-wrapper.active .page-icon-sidebar{background:#e3f2fd;border-color:#2196f3;box-shadow:0 0 0 1px #2196f333}@media (prefers-color-scheme: dark){.page-icon-sidebar{background:#2d2d2d;border-color:#404040}.page-icon-wrapper:hover .page-icon-sidebar{background:#363636}.page-icon-placeholder{color:#666}.page-icon-wrapper.active .page-icon-sidebar{background:#1e3a5f;border-color:#1976d2}}.page-title{font-weight:600;color:#333;font-size:15px;margin-bottom:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.page-actions{display:flex;gap:6px;opacity:1;transition:opacity .2s}.page-item:hover .page-actions{opacity:1}.action-btn{width:32px;height:32px;border:1px solid #e0e0e0;background:#fff;border-radius:6px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:13px;transition:all .2s;color:#666}.view-btn:hover{background:#3b82f6;border-color:#3b82f6;color:#fff;transform:scale(1.1)}.edit-btn:hover{background:#10b981;border-color:#10b981;color:#fff;transform:scale(1.1)}.delete-btn:hover{background:#ef4444;border-color:#ef4444;color:#fff;transform:scale(1.1)}.duplicate-btn:hover{background:#f59e0b;border-color:#f59e0b;color:#fff;transform:scale(1.1)}.empty-state{text-align:center;padding:60px 24px;color:#888}.empty-icon{font-size:56px;margin-bottom:20px;opacity:.3}.empty-state p{margin-bottom:24px;font-size:15px;color:#666;max-width:200px;margin-left:auto;margin-right:auto;line-height:1.5}.view-all-btn{padding:10px 20px;background:#f5f5f5;border:1px solid #e0e0e0;border-radius:6px;color:#666;font-size:14px;cursor:pointer;transition:all .2s;margin-bottom:12px;width:100%;max-width:200px}.view-all-btn:hover{background:#e5e5e5;color:#333}.create-first-page-btn{padding:12px 24px;background:#3b82f6;color:#fff;border:none;border-radius:8px;font-size:14px;cursor:pointer;transition:all .2s;font-weight:500;width:100%;max-width:200px}.create-first-page-btn:hover{background:#2563eb;transform:translateY(-2px);box-shadow:0 4px 12px #2563eb4d}.sidebar-header{padding:28px 24px 20px;border-bottom:1px solid #e5e5e5;position:sticky;top:0;background:#fbfbfa;z-index:10;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.sidebar-brand{display:flex;align-items:center;gap:12px;margin-bottom:8px}.brand-icon{font-size:24px;width:40px;height:40px;border-radius:10px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 15px #667eea4d}.sidebar-header h1{font-size:22px;font-weight:700;color:#37352f;margin:0;letter-spacing:-.5px}.subtitle{font-size:14px;color:#6b6b6b;margin:0;padding-left:52px}.create-page-section{padding:24px;border-bottom:1px solid #e5e5e5}.create-page-input{display:flex;gap:8px;margin-bottom:16px}.create-page-input input{flex:1;padding:12px 16px;border:1px solid #e0e0e0;border-radius:8px;font-size:14px;outline:none;transition:all .2s;background:#fff;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif}.create-page-input input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.create-page-input input::placeholder{color:#b4b4b4}.create-page-btn{width:48px;height:48px;border:1px solid #e0e0e0;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;color:#666}.create-page-btn:hover:not(:disabled){background:#3b82f6;border-color:#3b82f6;color:#fff;transform:scale(1.05)}.create-page-btn:disabled{opacity:.5;cursor:not-allowed}.quick-create-btn{width:100%;padding:12px;background:#f5f5f5;border:1px solid #e0e0e0;border-radius:8px;color:#666;font-size:14px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:8px;font-weight:500}.quick-create-btn:hover{background:#e5e5e5;color:#333;transform:translateY(-1px);box-shadow:0 2px 8px #0000001a}.view-mode-tabs{padding:16px 24px;border-bottom:1px solid #e5e5e5;display:flex;gap:8px;flex-wrap:wrap}.tab-btn{flex:1;min-width:70px;padding:10px 12px;background:#f5f5f5;border:1px solid #e0e0e0;border-radius:6px;color:#666;font-size:13px;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:6px;font-weight:500}.tab-btn:hover{background:#e5e5e5;color:#333}.tab-btn.active{background:#3b82f6;border-color:#3b82f6;color:#fff}.pages-section{flex:1;overflow-y:auto;position:relative}.section-header{padding:20px 24px;position:sticky;top:0;background:#fbfbfa;z-index:5;border-bottom:1px solid #e5e5e5}.section-title{display:flex;justify-content:space-between;align-items:center}.section-header h3{font-size:15px;font-weight:600;color:#37352f;margin:0;text-transform:uppercase;letter-spacing:.5px}.page-count{font-size:12px;color:#888;background:#e5e5e5;padding:4px 10px;border-radius:12px;font-weight:500}.sidebar-footer{margin-top:auto;padding:20px 24px;border-top:1px solid #e5e5e5;position:sticky;bottom:0;background:#fbfbfa;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.user-info{display:flex;align-items:center;gap:14px;margin-bottom:16px}.avatar{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:18px;box-shadow:0 4px 15px #667eea4d}.user-details{flex:1}.username{font-weight:600;color:#888;font-size:15px;margin-bottom:2px}.email{font-size:12px;color:#888}.footer-actions{display:flex;gap:10px}.settings-btn,.logout-btn{flex:1;padding:10px;border:1px solid #e0e0e0;border-radius:6px;font-size:14px;cursor:pointer;transition:all .2s;font-weight:500}.settings-btn{background:#f5f5f5;color:#666}.settings-btn:hover{background:#e5e5e5;color:#333}.logout-btn{background:#ef4444;color:#fff;border-color:#ef4444}.logout-btn:hover{background:#dc2626;border-color:#dc2626;transform:translateY(-1px);box-shadow:0 2px 8px #dc26264d}@media (max-width: 768px){.sidebar{transform:translate(-100%);width:280px}.sidebar.open{transform:translate(0)}.sidebar-toggle{top:12px;left:12px}.sidebar-header{padding:24px 20px 16px}.create-page-section{padding:20px}.view-mode-tabs{padding:12px 20px}.section-header{padding:16px 20px}.page-list{padding:10px 20px 20px}.page-item{padding:14px}.timeline-page-header{padding:14px 20px}.timeline-entry{padding:12px 20px}.sidebar-footer{padding:16px 20px}}@media (prefers-color-scheme: dark){.sidebar{background:#1a1a1a;border-right-color:#2a2a2a}.sidebar-header{background:#1a1a1a;border-bottom-color:#2a2a2a}.sidebar-header h1{color:#fff}.subtitle{color:#aaa}.create-page-input input{background:#2a2a2a;border-color:#444;color:#fff}.create-page-input input::placeholder{color:#777}.create-page-btn{background:#2a2a2a;border-color:#444;color:#aaa}.create-page-btn:hover:not(:disabled){background:#3b82f6;border-color:#3b82f6;color:#fff}.quick-create-btn{background:#2a2a2a;border-color:#444;color:#aaa}.quick-create-btn:hover{background:#3a3a3a;color:#fff}.tab-btn{background:#2a2a2a;border-color:#444;color:#aaa}.tab-btn:hover{background:#3a3a3a;color:#fff}.tab-btn.active{background:#3b82f6;border-color:#3b82f6;color:#fff}.section-header{background:#1a1a1a;border-bottom-color:#2a2a2a}.section-header h3{color:#fff}.page-count{background:#2a2a2a;color:#aaa}.timeline-page-item{border-bottom-color:#333}.timeline-page-header:hover{background:#2a2a2a}.page-icon-small{background:#2a2a2a;color:#fff}.page-title-timeline{color:#fff}.entry-count{background:#2a2a2a;color:#aaa}.page-entries-list{background:#2a2a2a;border-top-color:#333}.timeline-entry{border-bottom-color:#333}.timeline-entry:hover{background:#3a3a3a}.time-text{color:#fff}.time-ago{color:#888}.operation-badge{color:#fff}.entry-preview{color:#aaa}.block-type-tag{background:#2a2a2a;color:#aaa}.entry-actions .action-btn{background:#2a2a2a;border-color:#444;color:#aaa}.page-item{background:#2a2a2a;border-color:transparent}.page-item:hover{background:#2a2a2a;border-color:#3b82f6;box-shadow:0 4px 20px #3b82f633}.page-title{color:#fff}.action-btn{background:#2a2a2a;border-color:#444;color:#aaa}.empty-state p{color:#aaa}.view-all-btn{background:#2a2a2a;border-color:#444;color:#aaa}.view-all-btn:hover{background:#3a3a3a;color:#fff}.sidebar-footer{background:#1a1a1a;border-top-color:#2a2a2a}.settings-btn{background:#2a2a2a;border-color:#444;color:#aaa}.settings-btn:hover{background:#3a3a3a;color:#fff}}.sidebar::-webkit-scrollbar{width:6px}.sidebar::-webkit-scrollbar-track{background:#f5f5f5}.sidebar::-webkit-scrollbar-thumb{background:#ccc;border-radius:3px}.sidebar::-webkit-scrollbar-thumb:hover{background:#999}@media (prefers-color-scheme: dark){.sidebar::-webkit-scrollbar-track{background:#2a2a2a}.sidebar::-webkit-scrollbar-thumb{background:#444}.sidebar::-webkit-scrollbar-thumb:hover{background:#555}}.user-name{max-width:100px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:inline-block;font-size:10px}.page-item.active{background-color:#3b82f61a;border-left:3px solid #3b82f6}.page-item.active .page-title{color:#3b82f6;font-weight:600}.page-item.active:hover{background-color:#3b82f626}.timeline-page-item.active .timeline-page-header{background-color:#3b82f61a;border-left:3px solid #3b82f6}.timeline-page-item.active .page-title-timeline{color:#3b82f6;font-weight:600}.timeline-load-more{padding:12px;border-top:1px solid #eaeaea;text-align:center}.load-more-btn{background:#f5f5f5;border:1px solid #ddd;border-radius:6px;padding:8px 16px;font-size:14px;color:#666;cursor:pointer;display:inline-flex;align-items:center;gap:8px;transition:all .2s ease}.load-more-btn:hover:not(:disabled){background:#eaeaea;border-color:#ccc}.load-more-btn:disabled{opacity:.6;cursor:not-allowed}.load-more-btn .small-spinner{width:12px;height:12px;border:2px solid #ddd;border-top-color:#666;border-radius:50%;animation:spin 1s linear infinite}.editor-toolbar{max-width:900px;margin:0 auto;position:sticky;top:0;border-top:1px solid #e5e5e5;padding:12px 24px;display:flex;gap:8px;align-items:center;z-index:90;box-shadow:0 1px 3px #0000000d}.dropdown{position:relative;display:inline-block}.toolbar-group{display:flex;gap:4px;padding-right:16px;border-right:1px solid #e0e0e0}.toolbar-group:last-child{border-right:none;padding-right:0}.dropdown-content{display:none;position:absolute;top:100%;left:0;background:#fff;min-width:200px;border:1px solid #e0e0e0;border-radius:6px;box-shadow:0 4px 12px #0000001a;z-index:1000;max-height:400px;overflow-y:auto}.dropdown:hover .dropdown-content{display:block}.dropdown-item{display:flex;align-items:center;gap:12px;width:100%;padding:10px 16px;border:none;background:#fff;text-align:left;cursor:pointer;font-size:14px;color:#333;transition:background .2s}.toolbar-btn{padding:6px 12px;background:#fff;border:1px solid #e0e0e0;border-radius:4px;color:#555;cursor:pointer;display:flex;align-items:center;gap:6px;font-size:14px;font-weight:500;transition:all .2s}.toolbar-btn:hover{background:#f5f5f5;color:#333;border-color:#ccc}.toolbar-btn.active{background:#f0f0f0;color:#2c2c2c;border-color:#bbb}.dropdown-item:hover{background:#f5f5f5}.dropdown-item.active{background:#e8f0fe;color:#1a73e8}.dropdown-icon{width:20px;display:flex;align-items:center;justify-content:center;font-weight:500}.uploading-indicator{display:flex;align-items:center;gap:8px;padding:6px 12px;background:#f8f9fa;border-radius:4px;font-size:14px;color:#666}.spinner{width:16px;height:16px;border:2px solid #ddd;border-top-color:#3b82f6;border-radius:50%;animation:spin 1s linear infinite}.link-dialog-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:768}.link-dialog{background:#fff;border-radius:8px;padding:24px;width:90%;max-width:400px;box-shadow:0 8px 32px #0003}.link-dialog h3{margin-top:0;margin-bottom:20px;color:#333;font-size:18px}.link-input-group{margin-bottom:16px}.link-input-group label{display:block;margin-bottom:6px;color:#666;font-size:14px;font-weight:500}.link-input-group input{width:100%;padding:10px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px;transition:border-color .2s}.link-input-group input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f61a}.link-dialog-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:24px}.link-btn-cancel,.link-btn-submit{padding:10px 20px;border:none;border-radius:4px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.link-btn-cancel{background:#f5f5f5;color:#666}.link-btn-cancel:hover{background:#e5e5e5}.link-btn-submit{background:#3b82f6;color:#fff}.link-btn-submit:hover:not(:disabled){background:#2563eb}.link-btn-submit:disabled{opacity:.5;cursor:not-allowed}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.toolbar-group{flex-wrap:wrap}}:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e9ecef;--text-primary: #212529;--text-secondary: #6c757d;--text-tertiary: #adb5bd;--text-placeholder: rgba(33, 37, 41, .7);--border-color: #e0e0e0;--border-light: #eaeaea;--border-strong: #ced4da;--accent-primary: #007bff;--accent-success: #28a745;--accent-danger: #dc3545;--shadow-light: rgba(0, 0, 0, .05);--shadow-medium: rgba(0, 0, 0, .1);--code-bg: #f8f9fa;--table-bg: #f8f9fa;--table-header-bg: #e9ecef;--hover-bg: rgba(0, 0, 0, .02);--drag-bg: rgba(0, 123, 255, .1);--drag-success-bg: rgba(40, 167, 69, .1);--icon-color: #adb5bd;--icon-hover: #495057}@media (prefers-color-scheme: dark){:root{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--bg-tertiary: #3d3d3d;--text-primary: #ffffff;--text-secondary: #cccccc;--text-tertiary: #999999;--text-placeholder: rgba(255, 255, 255, .7);--border-color: #404040;--border-light: #4a4a4a;--border-strong: #5a5a5a;--accent-primary: #4dabf7;--accent-success: #40c057;--accent-danger: #fa5252;--shadow-light: rgba(0, 0, 0, .2);--shadow-medium: rgba(0, 0, 0, .3);--code-bg: #2d2d2d;--table-bg: #2d2d2d;--table-header-bg: #3d3d3d;--hover-bg: rgba(255, 255, 255, .05);--drag-bg: rgba(77, 171, 247, .2);--drag-success-bg: rgba(64, 192, 87, .2);--icon-color: #999999;--icon-hover: #cccccc}}.block-container{position:relative;margin:0;padding:0 11px 0 40px;transition:all .15s ease;border-radius:4px;min-height:32px;background:transparent;border:1px solid transparent}.block-container:hover{background:var(--hover-bg);border-color:var(--border-light)}.read-only:hover{border-color:transparent}.block-container.selected{border:1px solid var(--border-color);box-shadow:0 1px 3px var(--shadow-light)}.block-container.dragging{background:var(--drag-bg);border:2px dashed var(--accent-primary);box-shadow:0 2px 8px var(--shadow-medium);transform:scale(1.01);z-index:1000;opacity:.9}.block-container.drag-over{border:2px dashed var(--accent-success);background:var(--drag-success-bg)}.block-drag-handle{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:20px;height:20px;display:flex;align-items:center;justify-content:center;color:var(--icon-color);cursor:grab;opacity:0;transition:all .2s ease;z-index:10;border-radius:4px;background:transparent;border:none}.block-container:hover .block-drag-handle,.block-container.selected .block-drag-handle,.block-container.dragging .block-drag-handle{opacity:.5}.block-drag-handle:hover{color:var(--icon-hover);opacity:1}.block-drag-handle:active{cursor:grabbing;transform:translateY(-50%) scale(.95)}.block-content{outline:none;min-height:24px;cursor:text;line-height:1.5;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;font-weight:400;letter-spacing:-.01em;white-space:pre-wrap;word-wrap:break-word;overflow-wrap:break-word}.block-content[placeholder]:empty:before{content:attr(data-placeholder);color:var(--text-placeholder);font-weight:400;opacity:.7}.block-content.editing{background:transparent;border-radius:3px;padding:4px 8px;border:1px solid var(--border-strong);box-shadow:0 0 0 1px #007bff40}.block-h1{font-size:28px;font-weight:600;line-height:1.3;margin:16px 0 12px;padding-bottom:4px;letter-spacing:-.02em}.block-h2{font-size:22px;font-weight:600;line-height:1.35;margin:14px 0 10px;letter-spacing:-.015em}.block-h3{font-size:18px;font-weight:600;line-height:1.4;margin:12px 0 8px;letter-spacing:-.01em}.block-text{font-size:15px;line-height:1.6;margin:6px 0}.drag-indicator{position:absolute;top:-6px;left:0;right:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:999;opacity:1}.drag-line{height:2px;background:linear-gradient(to right,transparent,var(--accent-success),transparent);flex:1;border-radius:1px}.drag-circle{width:10px;height:10px;background:var(--accent-success);border-radius:50%;margin:0 12px;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.2)}}.code-block{background:var(--code-bg);border:1px solid var(--border-color);border-radius:6px;overflow:hidden;margin:12px 0}.code-header{background:var(--table-header-bg);padding:8px 16px;border-bottom:1px solid var(--border-color);display:flex;align-items:center}.code-language{font-size:11px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-family:SF Mono,Monaco,Cascadia Code,monospace}.code-block pre{margin:0;padding:0}.code-block code{display:block;padding:16px;font-family:SF Mono,Monaco,Cascadia Code,monospace;font-size:13px;line-height:1.5;white-space:pre-wrap;word-break:break-word;color:var(--text-primary)}.quote-block{position:relative;padding-left:20px;margin:12px 0}.quote-decoration{position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--text-tertiary);border-radius:1.5px}.block-quote{font-size:15px;font-style:italic;line-height:1.6;padding:4px 0}.todo-block{display:flex;gap:12px;align-items:flex-start;margin:6px 0}.todo-checkbox{width:18px;height:18px;border:2px solid var(--text-tertiary);border-radius:4px;background:var(--bg-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:9px;transition:all .2s}.todo-checkbox:hover{border-color:var(--text-secondary)}.todo-checkbox.checked{background:var(--accent-success);border-color:var(--accent-success)}.todo-checkbox.checked svg{color:#fff;font-size:10px}.todo-text{flex:1;min-height:24px;font-size:15px}.todo-text.checked{text-decoration:line-through;color:var(--text-secondary);opacity:.7}.list-block{display:flex;gap:12px;align-items:baseline;margin:6px 0}.bullet-point,.number-point{width:24px;flex-shrink:0;margin-top:3px}.bullet-point:before{content:"•";color:var(--text-secondary);font-size:18px;font-weight:400}.number-point{color:var(--text-secondary);font-size:14px;font-weight:500;text-align:right;font-family:Inter,sans-serif}.list-text{flex:1;min-height:24px;font-size:15px}.image-block{margin:12px 0;border-radius:6px;overflow:hidden;border:1px solid var(--border-color);background:var(--bg-primary)}.image-wrapper{display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);min-height:150px;position:relative;overflow:hidden}.image-preview{max-width:100%;max-height:400px;object-fit:contain;display:block}.image-error{display:flex;flex-direction:column;align-items:center;gap:8px;padding:24px;color:var(--text-secondary)}.image-error svg{font-size:32px;opacity:.5}.image-caption{width:100%;padding:8px 12px;border:none;outline:none;background:var(--bg-secondary);color:var(--text-secondary);font-size:13px;border-top:1px solid var(--border-color);font-family:Inter,sans-serif}.image-caption::placeholder{color:var(--text-tertiary)}.image-caption:focus{background:var(--bg-primary);color:var(--text-primary)}.file-block{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;margin:8px 0;transition:all .2s}.file-block:hover{background:var(--bg-tertiary);border-color:var(--text-tertiary)}.file-icon-container{width:40px;height:40px;background:var(--text-secondary);border-radius:6px;display:flex;align-items:center;justify-content:center}.file-icon{font-size:18px;color:#fff}.file-content{flex:1}.file-name{font-weight:500;color:var(--text-primary);margin-bottom:4px;word-break:break-all;font-size:14px}.file-info{display:flex;align-items:center;gap:12px;font-size:12px}.file-size{color:var(--text-secondary)}.file-download{color:var(--accent-primary);text-decoration:none;font-weight:500;transition:color .2s}.file-download:hover{color:var(--accent-primary);filter:brightness(.8);text-decoration:underline}.link-block{display:flex;align-items:center;gap:12px;padding:12px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;margin:8px 0;transition:all .2s;text-decoration:none;color:inherit}.link-block:hover{background:var(--bg-tertiary);border-color:var(--text-tertiary)}.link-icon-container{width:40px;height:40px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;display:flex;align-items:center;justify-content:center}.link-icon{font-size:16px;color:var(--text-secondary)}.link-content{flex:1;text-decoration:none;color:inherit}.link-text{display:block;font-weight:500;color:var(--text-primary);margin-bottom:2px;word-break:break-all;font-size:14px}.link-url{font-size:12px;color:var(--text-secondary);opacity:.7;word-break:break-all}.block-divider{border:none;height:1px;background:var(--border-color);margin:20px 0}.callout-block{display:flex;gap:12px;align-items:flex-start;padding:16px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:6px;margin:8px 0}.callout-icon{font-size:18px;flex-shrink:0;margin-top:2px;color:var(--text-primary)}.callout-text{flex:1;min-height:24px;color:var(--text-primary);font-weight:500;font-size:15px}.block-actions{position:absolute;top:-8px;right:-8px;opacity:0;transition:opacity .2s ease;z-index:100;display:flex;gap:4px}.block-container:hover .block-actions{opacity:1}.delete-btn{width:32px;height:32px;border-radius:4px;background:var(--accent-danger);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:10px;transition:all .2s ease;box-shadow:0 1px 3px var(--shadow-medium)}.delete-btn:hover{background:var(--accent-danger);filter:brightness(.9);transform:scale(1.1)}.table-block{margin:12px 0;border:1px solid var(--border-color);border-radius:6px;overflow:hidden;background:var(--table-bg)}.table-block.editing{border-color:var(--accent-primary)}.table-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--table-header-bg);border-bottom:1px solid var(--border-color)}.table-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--text-primary)}.table-title svg{color:var(--text-secondary)}.table-dimensions{font-size:12px;color:var(--text-secondary);font-weight:500}.table-tools{display:flex;gap:6px}.table-tool-btn{padding:4px 8px;font-size:12px;background:var(--text-secondary);color:#fff;border:none;border-radius:4px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:4px;font-weight:500}.table-tool-btn:hover{background:var(--text-primary);opacity:.9}.table-edit-btn{width:28px;height:28px;border-radius:4px;border:1px solid var(--text-tertiary);background:var(--bg-primary);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.table-edit-btn:hover{background:var(--bg-secondary);border-color:var(--text-secondary);color:var(--text-primary)}.editable-table-container{overflow-x:auto;margin:12px;border:1px solid var(--border-color);border-radius:4px;background:var(--bg-primary)}.editable-table{width:100%;border-collapse:collapse;min-width:400px}.editable-table th,.editable-table td{border:1px solid var(--border-color);padding:8px;text-align:left;vertical-align:top}.editable-table th{background:var(--table-header-bg);font-weight:600;color:var(--text-primary);font-size:12px}.column-header,.row-header{min-width:80px;background:var(--table-header-bg)}.column-actions,.row-actions{display:flex;align-items:center;justify-content:space-between;color:var(--text-secondary)}.table-action-btn{width:20px;height:20px;border-radius:4px;border:1px solid var(--border-color);background:var(--bg-primary);color:var(--text-tertiary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;font-size:9px}.table-action-btn.delete:hover:not(:disabled){background:var(--accent-danger);border-color:var(--accent-danger);color:#fff}.table-action-btn:disabled{opacity:.3;cursor:not-allowed}.editable-cell{min-width:100px;min-height:40px}.table-cell-input{min-height:40px;outline:none;padding:6px;border-radius:4px;transition:all .2s;font-family:Inter,sans-serif;font-size:13px;color:var(--text-primary);background:var(--bg-primary);border:1px solid var(--border-color)}.table-cell-input:focus{background:var(--bg-primary);box-shadow:inset 0 0 0 1px var(--accent-primary)}.table-actions{display:flex;gap:8px;justify-content:flex-end;padding:12px 16px;background:var(--table-header-bg);border-top:1px solid var(--border-color)}.table-btn{padding:6px 12px;font-size:13px;font-weight:500;border:none;border-radius:4px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:6px}.table-btn.save{background:var(--accent-success);color:#fff}.table-btn.save:hover{background:var(--accent-success);filter:brightness(.9)}.table-btn.cancel{background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--text-tertiary)}.table-btn.cancel:hover{background:var(--bg-tertiary);color:var(--text-primary)}.table-container{overflow-x:auto;border:1px solid var(--border-color);background:var(--table-bg)}.block-table{width:100%;border-collapse:collapse;min-width:300px;background:var(--table-bg)}.block-table td{border:1px solid var(--border-color);padding:12px;text-align:left;vertical-align:top;min-width:100px;min-height:40px;color:var(--text-primary);background:var(--table-bg)}.block-table tr:first-child td{background:var(--table-header-bg);font-weight:500;color:var(--text-primary)}.table-cell{min-height:40px;font-size:13px;color:var(--text-primary)}.table-footer{padding:8px 16px;background:var(--table-header-bg);border-top:1px solid var(--border-color);text-align:center}.table-hint{font-size:12px;color:var(--text-secondary);font-style:italic}@media (max-width: 768px){.block-container{padding-left:36px;padding-right:8px}.block-drag-handle{left:8px;width:18px;height:18px}.block-actions{right:-6px}.block-h1{font-size:24px}.block-h2{font-size:20px}.block-h3{font-size:18px}.block-text{font-size:14px}.code-block code{font-size:12px;padding:12px}.table-tool-btn{padding:3px 6px;font-size:11px}.table-btn{padding:4px 8px;font-size:12px}}@media (max-width: 480px){.block-container{padding-left:32px;margin:0 0 8px}.block-drag-handle{left:6px}.block-h1{font-size:22px}.block-h2{font-size:18px}.block-h3{font-size:16px}.file-block,.link-block{padding:8px}.table-header{flex-direction:column;gap:8px;align-items:flex-start}.table-tools{width:100%;justify-content:flex-start}}.block-type-menu{position:absolute;left:100%;top:0;width:220px;background:#fff;border:1px solid #ddd;border-radius:8px;box-shadow:0 4px 20px #00000026;z-index:1000;overflow:hidden;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translate(-10px)}to{opacity:1;transform:translate(0)}}.block-type-header{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#f8f9fa;border-bottom:1px solid #e9ecef;font-weight:600;font-size:14px;color:#495057}.close-type-menu{background:none;border:none;cursor:pointer;color:#6c757d;padding:4px;border-radius:4px;display:flex;align-items:center;justify-content:center;transition:all .2s}.close-type-menu:hover{background:#e9ecef;color:#495057}.block-type-list{max-height:300px;overflow-y:auto;padding:8px}.block-type-option{display:flex;align-items:center;width:100%;padding:10px 12px;background:none;border:none;text-align:left;cursor:pointer;border-radius:6px;margin-bottom:2px;transition:all .2s;color:#495057}.block-type-option:hover{background:#f8f9fa}.block-type-option.selected{background:#e7f3ff;color:#0d6efd}.block-type-icon{margin-right:10px;font-size:14px;color:inherit;opacity:.8}.block-type-label{flex:1;font-size:14px;color:inherit}.block-type-check{color:#0d6efd;font-size:12px}.block-type-footer{padding:8px 16px;border-top:1px solid #e9ecef;font-size:12px;color:#6c757d;background:#f8f9fa}.block-drag-handle.active{background:#e7f3ff;color:#0d6efd}.block-container{position:relative}.image-actions,.file-actions,.link-actions{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}.image-action-btn,.file-action-btn,.link-action-btn{padding:6px 12px;border:1px solid #ddd;background:#fff;border-radius:4px;cursor:pointer;font-size:12px;display:flex;align-items:center;gap:5px;transition:all .2s}.image-action-btn:hover,.file-action-btn:hover,.link-action-btn:hover{background:#f5f5f5;border-color:#ccc}.image-action-btn.upload,.file-action-btn.upload{background:#f0f9ff;border-color:#b8e2ff;color:#06c}.image-action-btn.url,.file-action-btn.url,.link-action-btn.edit{background:#fff8e1;border-color:#ffe082;color:#ff8f00}.image-action-btn:disabled,.file-action-btn:disabled{opacity:.5;cursor:not-allowed}.url-dialog-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000}.url-dialog{background:#fff;padding:20px;border-radius:8px;width:400px;max-width:90%;box-shadow:0 4px 20px #00000026}.url-dialog h3{margin:0 0 16px;color:#333;font-size:18px}.url-input-group{margin-bottom:16px}.url-input-group label{display:block;margin-bottom:6px;font-weight:500;color:#555}.url-input-group input{width:100%;padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px}.url-input-group input:focus{outline:none;border-color:#06c;box-shadow:0 0 0 2px #0066cc1a}.url-dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.url-btn-cancel,.url-btn-submit{padding:8px 16px;border:none;border-radius:4px;cursor:pointer;font-size:14px;font-weight:500}.url-btn-cancel{background:#f5f5f5;color:#666}.url-btn-cancel:hover{background:#e0e0e0}.url-btn-submit{background:#06c;color:#fff}.url-btn-submit:hover{background:#0052a3}.url-btn-submit:disabled{background:#ccc;cursor:not-allowed}.image-source-actions{display:flex;gap:8px;margin-bottom:8px}.file-actions{margin-top:12px;padding-top:12px}.link-actions{margin-top:8px}.image-caption-input{margin-bottom:8px}.image-caption-input .image-caption{width:100%;padding:6px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px}.uploading-indicator{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#ffffffe6;padding:20px;border-radius:8px;display:flex;align-items:center;gap:10px;box-shadow:0 2px 10px #0000001a}.spinner{width:20px;height:20px;border:2px solid #f3f3f3;border-top:2px solid #0066cc;border-radius:50%;animation:spin 1s linear infinite}.block-container.selected .block-drag-handle{opacity:unset}.page-editor-container{min-height:100vh;background:#fff;position:relative}.page-cover{width:100%;max-height:300px;overflow:hidden;position:relative;margin-bottom:0;border-radius:0;background:#f8f9fa}.page-cover img{width:100%;height:300px;object-fit:cover;display:block}.page-cover.placeholder{height:200px;cursor:pointer;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);transition:all .2s}.page-cover.placeholder:hover{background:linear-gradient(135deg,#5a6fd8,#6a4190)}.cover-placeholder{display:flex;flex-direction:column;align-items:center;gap:12px;color:#fff}.cover-placeholder svg{opacity:.8}.cover-placeholder span{font-size:16px;font-weight:500}.cover-actions{position:absolute;top:16px;right:16px;display:flex;gap:8px;opacity:0;transition:opacity .2s}.page-cover:hover .cover-actions{opacity:1}.cover-action-btn{width:36px;height:36px;border-radius:50%;background:#ffffffe6;border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 8px #0000001a;transition:all .2s}.cover-action-btn:hover:not(:disabled){transform:scale(1.1);box-shadow:0 4px 12px #00000026;background:#fff}.cover-upload-btn{background:#3b82f6;color:#fff}.cover-upload-btn:hover:not(:disabled){background:#2563eb}.editor-header{max-width:900px;margin:0 auto;padding:40px 24px 24px}.editor-header-content{position:relative}.page-icon-section{display:flex;align-items:center;gap:20px;margin-bottom:24px}.page-icon-container{position:relative;display:contents}.page-icon{width:64px;height:64px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:32px;background:#f5f5f5;cursor:pointer;transition:all .2s;overflow:hidden;position:relative;border:2px solid transparent}.page-icon:hover{background:#e5e5e5;border-color:#3b82f6}.page-icon img{width:100%;height:100%;object-fit:cover}.page-icon-placeholder{color:#999;font-size:32px}.icon-actions{position:absolute;top:-8px;right:-8px;opacity:0;transition:opacity .2s}.page-icon:hover .icon-actions{opacity:1}.icon-action-btn{width:24px;height:24px;border-radius:50%;background:#fff;border:1px solid #e0e0e0;display:flex;align-items:center;justify-content:center;font-size:12px;cursor:pointer;transition:all .2s;color:#666}.icon-action-btn:hover{background:#f5f5f5;transform:scale(1.1);color:#333}.icon-options{display:flex;gap:8px}.icon-option-btn{padding:8px 16px;background:#f5f5f5;border:1px solid #e0e0e0;border-radius:6px;font-size:14px;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s;color:#666}.icon-option-btn:hover:not(:disabled){background:#e5e5e5;color:#333}.icon-option-btn:disabled{opacity:.5;cursor:not-allowed}.icon-picker-container{position:absolute;top:70px;left:0;z-index:1000;background:#fff;border-radius:12px;box-shadow:0 8px 30px #00000026;overflow:hidden}.emoji-picker-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0000001a;z-index:999}.uploading-indicator{position:absolute;top:0;left:0;right:0;bottom:0;background:#fffc;display:flex;align-items:center;justify-content:center;border-radius:inherit;z-index:1}.uploading-spinner{animation:spin 1s linear infinite;color:#3b82f6}.icon-upload-input,.cover-upload-input{display:none}.editor-page-title{width:100%;border:none;outline:none;font-size:40px;font-weight:700;color:#37352f;background:transparent;padding:8px 0;caret-color:#37352f;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;transition:all .2s ease}.editor-page-title.modified{opacity:.7;border-bottom:2px solid #fbbf24}.editor-page-title::placeholder{color:#b4b4b4;font-weight:600}.editor-actions{display:flex;gap:12px;justify-content:flex-end}.editor-actions button{display:flex;align-items:center;gap:8px;padding:10px 20px;border:none;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif}.btn-secondary{background:#f5f5f5;color:#666}.btn-secondary:hover:not(:disabled){background:#e5e5e5}.btn-primary:hover:not(:disabled){background:#2563eb}.btn-view{background:#10b981;color:#fff}.btn-view:hover{background:#059669}.editor-actions button:disabled{opacity:.5;cursor:not-allowed}.blocks-container{max-width:900px;margin:0 auto;padding:24px;min-height:400px;position:relative}.empty-editor{text-align:center;padding:80px 20px;color:#666;background:#fafafa;border-radius:12px;margin-top:20px;border:2px dashed #e0e0e0}.empty-editor h3{font-size:24px;font-weight:600;margin-bottom:12px;color:#333}.empty-editor p{font-size:16px;margin-bottom:32px;color:#888;max-width:400px;margin-left:auto;margin-right:auto;line-height:1.5}.empty-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.empty-action-btn{padding:12px 24px;background:#fff;border:1px solid #e0e0e0;border-radius:8px;color:#333;font-size:14px;font-weight:500;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all .2s}.empty-action-btn:hover{background:#f8f9fa;border-color:#ccc;transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.quick-actions{position:fixed;bottom:24px;right:24px;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid #e0e0e0;border-radius:50px;padding:8px 12px;box-shadow:0 4px 20px #00000026;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.quick-action-btn{width:40px;height:40px;border-radius:50%;border:none;background:#fff;color:#666;font-size:16px;font-weight:500;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;border:1px solid transparent}.quick-action-btn:hover:not(:disabled){background:#f5f5f5;color:#333;transform:scale(1.1);border-color:#e0e0e0}.quick-action-btn:disabled{opacity:.3;cursor:not-allowed}.save-quick{background:#3b82f6!important;color:#fff!important}.save-quick:hover:not(:disabled){background:#2563eb!important}.block-nav-info{font-size:12px;color:#666;padding:0 8px;font-weight:500;min-width:40px;text-align:center}.quick-action-divider{width:1px;height:24px;background:#e0e0e0;margin:0 4px}.loading-details{font-size:12px;color:#888;margin-top:8px}.error-container button{padding:12px 24px;background:#3b82f6;color:#fff;border:none;border-radius:6px;font-size:16px;cursor:pointer;margin-top:20px;font-weight:500;transition:background .2s}.error-container button:hover{background:#2563eb}@media (max-width: 768px){.page-cover{max-height:200px}.page-cover img{height:200px}.page-cover.placeholder{height:150px}.editor-header{padding:24px 16px 16px}.page-icon-section{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:20px}.page-icon{width:48px;height:48px;font-size:24px}.page-icon-emoji,.page-icon-placeholder{font-size:24px}.icon-options{width:100%;justify-content:flex-start}.editor-page-title{font-size:32px}.editor-actions{flex-direction:column;align-items:stretch}.editor-actions button{width:100%;justify-content:center}.blocks-container{padding:16px}.empty-editor{padding:40px 16px}.empty-actions{flex-direction:column;align-items:stretch}.empty-action-btn{width:100%;justify-content:center}.quick-actions{bottom:16px;right:16px;flex-wrap:wrap;justify-content:center;width:calc(100% - 32px);max-width:300px;margin:0 auto;border-radius:25px}.quick-action-btn{width:36px;height:36px;font-size:14px}.block-nav-info{font-size:11px;min-width:35px}.icon-picker-container{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);width:90%;max-width:320px}}@media (max-width: 480px){.editor-page-title{font-size:28px}.error-container{padding:24px 16px;margin:20px}.quick-actions{padding:6px 10px;gap:6px}}@media (prefers-color-scheme: dark){.page-editor-container{background:#1a1a1a;color:#fff}.page-cover{background:#2a2a2a}.page-cover.placeholder{background:linear-gradient(135deg,#4a5fd8,#5a3190)}.page-icon{background:#2a2a2a;color:#fff;border-color:#444}.page-icon:hover{background:#3a3a3a;border-color:#3b82f6}.page-icon-placeholder{color:#777}.cover-action-btn{background:#2a2a2ae6;color:#fff}.cover-action-btn:hover:not(:disabled){background:#2a2a2a}.cover-upload-btn{background:#3b82f6}.icon-action-btn{background:#2a2a2a;border-color:#444;color:#fff}.icon-action-btn:hover{background:#3a3a3a}.icon-option-btn{background:#2a2a2a;border-color:#444;color:#fff}.icon-option-btn:hover:not(:disabled){background:#3a3a3a}.editor-page-title{color:#fff;caret-color:#fff}.editor-page-title::placeholder{color:#777}.btn-secondary{background:#2a2a2a;color:#fff}.btn-secondary:hover:not(:disabled){background:#3a3a3a}.empty-editor{background:#2a2a2a;border-color:#444;color:#fff}.empty-editor h3{color:#fff}.empty-editor p{color:#aaa}.empty-action-btn{background:#2a2a2a;border-color:#444;color:#fff}.empty-action-btn:hover{background:#3a3a3a}.quick-actions{background:#2a2a2a;border-color:#444}.quick-action-btn{background:#2a2a2a;color:#fff}.quick-action-btn:hover:not(:disabled){background:#3a3a3a}.block-nav-info{color:#aaa}.icon-picker-container{background:#2a2a2a}.uploading-indicator{background:#2a2a2acc}}.crop-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000c;display:flex;justify-content:center;align-items:center;z-index:10000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.crop-modal{background:#fff;border-radius:12px;width:90%;max-width:800px;max-height:90vh;overflow:hidden;box-shadow:0 20px 60px #0000004d;animation:modalSlideIn .3s ease}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.crop-modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.crop-modal-header h3{margin:0;font-size:1.3rem;font-weight:600}.close-modal-btn{background:none;border:none;color:#fff;font-size:28px;cursor:pointer;padding:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:background-color .2s}.close-modal-btn:hover{background-color:#fff3}.crop-modal-content{padding:24px}.crop-instructions{background:#f8f9fa;padding:12px 16px;border-radius:8px;margin-bottom:20px;font-size:.9rem;color:#555}.crop-instructions p{margin:4px 0}.crop-container{width:100%;height:400px;position:relative;overflow:hidden;border-radius:8px;margin-bottom:20px;cursor:default}.crop-controls{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px;padding:20px;background:#f8f9fa;border-radius:8px}.aspect-ratio-buttons{flex:1}.aspect-ratio-buttons p{margin:0 0 10px;font-weight:500;color:#333}.ratio-buttons{display:flex;gap:10px;flex-wrap:wrap}.ratio-btn{padding:8px 16px;background:#fff;border:2px solid #e0e0e0;border-radius:6px;cursor:pointer;font-size:.9rem;transition:all .2s;color:#555}.ratio-btn:hover{border-color:#667eea;color:#667eea}.ratio-btn.active{background:#667eea;border-color:#667eea;color:#fff}.crop-dimensions{text-align:right;color:#666;font-size:.9rem}.crop-dimensions p{margin:4px 0}.crop-modal-actions{display:flex;justify-content:flex-end;gap:12px;padding-top:20px;border-top:1px solid #eee}.crop-modal-actions .btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);border:none;color:#fff;padding:10px 24px;border-radius:6px;cursor:pointer;font-weight:500;transition:opacity .2s;display:flex;align-items:center;gap:8px}.crop-modal-actions .btn-primary:disabled{opacity:.6;cursor:not-allowed}.crop-modal-actions .btn-secondary{background:#f8f9fa;border:1px solid #e0e0e0;color:#555;padding:10px 24px;border-radius:6px;cursor:pointer;font-weight:500;transition:all .2s}.crop-modal-actions .btn-secondary:hover:not(:disabled){background:#e9ecef;border-color:#d0d0d0}.crop-modal-actions .spinner{animation:spin 1s linear infinite}.cover-actions{display:flex;gap:8px;position:absolute;bottom:20px;right:20px}.cover-action-btn{background:#000000b3;border:none;color:#fff;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.cover-action-btn:hover:not(:disabled){background:#000000e6;transform:scale(1.1)}.cover-action-btn:disabled{opacity:.5;cursor:not-allowed}.cover-upload-btn{background:#4caf50b3}.cover-upload-btn:hover:not(:disabled){background:#4caf50e6}.cover-crop-btn{background:#2196f3b3}.cover-crop-btn:hover:not(:disabled){background:#2196f3e6}.page-view-container{min-height:100vh;background:#fff}.page-view-header{max-width:900px;margin:0 auto;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #eaeaea}.back-button{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#f5f5f5;border:1px solid #e0e0e0;border-radius:6px;font-size:14px;color:#666;cursor:pointer;transition:all .2s;text-decoration:none}.back-button:hover{background:#e5e5e5;color:#333}.view-actions{display:flex;gap:12px;align-items:center}.restore-history-btn{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#10b981;color:#fff;border:none;border-radius:6px;font-size:14px;cursor:pointer;transition:all .2s;font-weight:500}.restore-history-btn:hover:not(:disabled){background:#059669}.restore-history-btn:disabled{opacity:.5;cursor:not-allowed}.view-current-btn{padding:8px 16px;background:#f5f5f5;border:1px solid #e0e0e0;border-radius:6px;font-size:14px;color:#666;cursor:pointer;transition:all .2s}.view-current-btn:hover{background:#e5e5e5;color:#333}.edit-page-button{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#3b82f6;color:#fff;border:none;border-radius:6px;font-size:14px;cursor:pointer;transition:all .2s;text-decoration:none;font-weight:500}.edit-page-button:hover{background:#2563eb;text-decoration:none;color:#fff}.history-banner{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:16px 24px}.history-banner-content{max-width:900px;margin:0 auto;display:flex;align-items:center;gap:16px}.history-info{display:flex;flex-direction:column;gap:4px}.history-info strong{font-size:16px}.history-info span{font-size:14px;opacity:.9}.page-cover-view{width:100%;max-height:300px;overflow:hidden;background:#f8f9fa}.page-cover-view img{width:100%;height:300px;object-fit:cover}.page-content-view{max-width:900px;margin:0 auto;padding:40px 24px}.page-title-section{margin-bottom:40px}.page-icon-view{width:64px;height:64px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:32px;background:#f5f5f5;margin-bottom:20px;overflow:hidden}.page-icon-view img{width:100%;height:100%;object-fit:cover}.page-icon-emoji{font-size:32px;line-height:1}.page-title-view{font-size:40px;font-weight:700;color:#37352f;margin:0;line-height:1.2}.history-note{margin-top:12px;padding:12px;background:#f8f9fa;border-radius:6px;color:#666;font-size:14px;border-left:4px solid #3b82f6}.blocks-view-container{min-height:400px}.empty-page-view{text-align:center;padding:80px 20px;color:#666;background:#fafafa;border-radius:12px;border:2px dashed #e0e0e0}.empty-icon{font-size:64px;margin-bottom:24px;opacity:.5}.empty-page-view h3{font-size:24px;font-weight:600;margin-bottom:12px;color:#333}.empty-page-view p{font-size:16px;margin-bottom:32px;color:#888;max-width:400px;margin-left:auto;margin-right:auto;line-height:1.5}.empty-page-view .btn-primary{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;background:#3b82f6;color:#fff;border:none;border-radius:6px;font-size:16px;cursor:pointer;text-decoration:none;font-weight:500}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px;background:#fff}.spinner{width:40px;height:40px;border:4px solid #f3f3f3;border-top:4px solid #3b82f6;border-radius:50%;animation:spin 1s linear infinite}.error-container{padding:40px;text-align:center;max-width:600px;margin:100px auto;background:#fff;border-radius:12px;box-shadow:0 4px 20px #0000001a}.error-container h2{color:#dc2626;margin-bottom:16px;font-size:24px}.error-container p{color:#666;margin-bottom:12px;line-height:1.6}.btn-primary{padding:12px 24px;background:#3b82f6;color:#fff;border:none;border-radius:6px;font-size:16px;cursor:pointer;font-weight:500;transition:background .2s;text-decoration:none;display:inline-block}.btn-primary:hover{background:#2563eb;text-decoration:none;color:#fff}@media (max-width: 768px){.page-view-header{padding:16px;flex-direction:column;gap:12px;align-items:stretch}.view-actions{flex-direction:column;width:100%}.back-button,.restore-history-btn,.view-current-btn,.edit-page-button{width:100%;justify-content:center}.page-cover-view{max-height:200px}.page-cover-view img{height:200px}.page-content-view{padding:24px 16px}.page-icon-view{width:48px;height:48px;font-size:24px}.page-icon-emoji{font-size:24px}.page-title-view{font-size:32px}}@media (max-width: 480px){.page-title-view{font-size:28px}}@media (prefers-color-scheme: dark){.page-view-container{background:#1a1a1a;color:#fff}.page-view-header{border-bottom-color:#333}.back-button{background:#2a2a2a;border-color:#444;color:#aaa}.back-button:hover{background:#3a3a3a;color:#fff}.view-current-btn{background:#2a2a2a;border-color:#444;color:#aaa}.view-current-btn:hover{background:#3a3a3a;color:#fff}.history-banner{background:linear-gradient(135deg,#4a5fd8,#5a3190)}.page-cover-view{background:#2a2a2a}.page-icon-view{background:#2a2a2a;color:#fff}.page-title-view{color:#fff}.history-note{background:#2a2a2a;color:#aaa;border-left-color:#3b82f6}.empty-page-view{background:#2a2a2a;border-color:#444;color:#fff}.empty-page-view h3{color:#fff}.empty-page-view p{color:#aaa}}:root{--bg-primary: #fbfbfa;--bg-secondary: #ffffff;--bg-tertiary: #f5f5f5;--text-primary: #37352f;--text-secondary: #6b6b6b;--text-tertiary: #888;--border-color: #e5e5e5;--border-light: #e0e0e0;--primary-color: #3b82f6;--secondary-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--shadow-color: rgba(0, 0, 0, .05);--overlay-color: rgba(0, 0, 0, .5);--card-bg: #ffffff}@media (prefers-color-scheme: dark){:root{--bg-primary: #1a1a1a;--bg-secondary: #2a2a2a;--bg-tertiary: #3a3a3a;--text-primary: #ffffff;--text-secondary: #cccccc;--text-tertiary: #aaaaaa;--border-color: #333333;--border-light: #444444;--primary-color: #3b82f6;--secondary-color: #10b981;--danger-color: #ef4444;--warning-color: #f59e0b;--accent-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--shadow-color: rgba(0, 0, 0, .3);--overlay-color: rgba(0, 0, 0, .7);--card-bg: #2a2a2a}}.app{display:flex;min-height:100vh;background:var(--bg-primary);position:relative;color:var(--text-primary);transition:background-color .3s ease,color .3s ease}.sidebar-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--overlay-color);z-index:99;display:none;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.main-content{flex:1;min-height:100vh;background:var(--bg-primary);margin-left:0;transition:margin-left .3s ease}.main-content.sidebar-open{margin-left:320px}@media (max-width: 768px){.main-content{margin-left:0!important}}@media (max-width: 768px){.sidebar-overlay{display:block}}.app-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:24px;background:var(--bg-secondary);color:var(--text-primary)}.app-loading .spinner{width:60px;height:60px;border:5px solid var(--border-light);border-top:5px solid var(--primary-color);border-radius:50%;animation:spin 1s linear infinite}.app-loading h1{font-size:24px;font-weight:300;text-align:center;max-width:400px;margin:0 20px}.home-page{padding:40px 24px;max-width:1200px;margin:0 auto;background:var(--bg-primary)}.hero{text-align:center;padding:80px 20px;background:var(--bg-secondary);border-radius:20px;color:var(--text-primary);margin-bottom:60px;border:1px solid var(--border-color);box-shadow:0 4px 20px var(--shadow-color)}.hero h1{font-size:48px;font-weight:700;margin-bottom:24px;color:var(--text-primary)}.hero p{font-size:20px;max-width:600px;margin:0 auto 40px;line-height:1.6;color:var(--text-secondary)}.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.primary-btn{padding:16px 32px;background:var(--primary-color);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s}.primary-btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px #3b82f666;filter:brightness(1.1)}.secondary-btn{padding:16px 32px;background:transparent;color:var(--primary-color);border:2px solid var(--primary-color);border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s}.secondary-btn:hover{background:#3b82f61a;color:var(--primary-color)}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:32px;margin-top:60px}.feature{text-align:center;padding:32px;background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;transition:all .3s}.feature:hover{transform:translateY(-4px);box-shadow:0 8px 25px var(--shadow-color);border-color:var(--primary-color);background:var(--bg-tertiary)}.feature-icon{font-size:48px;margin-bottom:20px;color:var(--primary-color)}.feature h3{font-size:20px;font-weight:600;margin-bottom:12px;color:var(--text-primary)}.feature p{color:var(--text-tertiary);line-height:1.6;font-size:15px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.hero h1{font-size:32px}.hero p{font-size:18px}.hero-actions{flex-direction:column;align-items:center}.primary-btn,.secondary-btn{width:100%;max-width:300px}.features{grid-template-columns:1fr}.main-content.sidebar-open{margin-left:280px}}.main-content::-webkit-scrollbar{width:8px}.main-content::-webkit-scrollbar-track{background:var(--bg-tertiary)}.main-content::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:4px}.main-content::-webkit-scrollbar-thumb:hover{background:var(--text-tertiary)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Segoe UI,Helvetica,Arial,sans-serif;background:#fff;color:#191711;line-height:1.5}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#555}.app-container{display:flex;min-height:100vh;background:#fff}.loading{display:flex;align-items:center;justify-content:center;height:100vh;font-size:16px;color:#666}.error{padding:40px;text-align:center;color:#dc2626}.btn{padding:8px 16px;border:none;border-radius:4px;font-size:14px;cursor:pointer;transition:all .2s}.btn-primary{background:#3b82f6;color:#fff}.btn-primary:hover{background:#2563eb}.btn-secondary{background:#f5f5f5;color:#333;border:1px solid #ddd}.btn-secondary:hover{background:#e5e5e5}@media (max-width: 1024px){.app-container{flex-direction:column}}@media (max-width: 768px){body{font-size:14px}}@media (prefers-color-scheme: dark){body{background:#1a1a1a;color:#fff}.btn-primary{background:#4a90e2}.btn-secondary{background:#333;color:#fff;border-color:#555}}