:root{--bg-color: #1e1e1e;--bg-color-rgb: 30, 30, 30;--text-color: #f0f0f0;--border-color: #444;--hover-bg: #333;--hover-bg-rgb: 51, 51, 51;--toolbar-bg: #252526;--accent-color: #0e639c;--accent-hover: #1177bb;--error-color: #f44336;--success-color: #4caf50;--warning-color: #ff9800;--info-color: #2196f3;--shadow-color: rgba(0, 0, 0, .3);--tooltip-bg: #252526}.light-theme{--bg-color: #ffffff;--bg-color-rgb: 255, 255, 255;--text-color: #333333;--border-color: #e0e0e0;--hover-bg: #f5f5f5;--hover-bg-rgb: 245, 245, 245;--toolbar-bg: #f3f3f3;--accent-color: #007acc;--accent-hover: #0062a3;--error-color: #d32f2f;--success-color: #388e3c;--warning-color: #f57c00;--info-color: #1976d2;--shadow-color: rgba(0, 0, 0, .1);--tooltip-bg: #ffffff}*{box-sizing:border-box;margin:0;padding:0}html,body{width:100%;height:100%;background-color:var(--bg-color);color:var(--text-color);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;font-size:14px;overflow:hidden}#app{width:100%;height:100%;display:flex;flex-direction:column}#monaco-editor{flex:1;width:100%;overflow:hidden}.toolbar{display:flex;justify-content:space-between;align-items:center;padding:0 16px;height:48px;background-color:var(--toolbar-bg);border-bottom:1px solid var(--border-color);box-shadow:0 1px 3px var(--shadow-color);z-index:10}.toolbar-section{display:flex;align-items:center}.logo{display:flex;align-items:center;font-size:18px;font-weight:600;margin-right:16px}.logo i{margin-right:8px;color:var(--accent-color)}.logo svg{margin-right:8px}.document-info{display:flex;align-items:center;margin-right:16px}.share-button{display:flex;align-items:center;background-color:var(--accent-color);color:#fff;border:none;border-radius:4px;padding:6px 12px;cursor:pointer;font-size:14px;transition:background-color .2s}.share-button:hover{background-color:var(--accent-hover)}.share-button i{margin-right:6px}.language-selector{display:flex;align-items:center;position:relative}.language-selector i{margin-right:8px;color:var(--accent-color)}select#language{background-color:var(--bg-color);color:var(--text-color);border:1px solid var(--border-color);padding:6px 12px;border-radius:4px;font-size:14px;cursor:pointer;transition:border-color .2s}select#language:hover,select#language:focus{border-color:var(--accent-color)}.user-info{display:flex;align-items:center;margin-left:16px;padding:6px 12px;border-radius:4px;background-color:rgba(var(--bg-color-rgb),.5);border:1px solid var(--border-color)}.user-info i{margin-right:8px;color:var(--accent-color)}#user-name{cursor:pointer;transition:color .2s}#user-name:hover{color:var(--accent-color)}.connected-users{display:flex;align-items:center;margin-right:16px}.connected-users i{margin-right:8px;color:var(--success-color)}.users-list{display:flex;flex-wrap:wrap;align-items:center}.connection-status{display:flex;align-items:center;margin-right:16px}#status{padding:4px 8px;border-radius:4px;font-size:12px;font-weight:600;transition:all .3s ease}#status.connected{background-color:#4caf5033;color:#4caf50}#status.disconnected{background-color:#f4433633;color:#f44336}.settings-menu{position:relative;display:inline-block;margin-left:8px}.settings-button{background:none;border:none;color:var(--text-color);cursor:pointer;padding:8px;border-radius:4px;transition:background-color .2s}.settings-button:hover{background-color:var(--hover-bg)}.settings-dropdown{display:none;position:absolute;top:100%;right:-120px;background-color:var(--bg-color);min-width:220px;box-shadow:0 2px 8px var(--shadow-color);z-index:1000;border-radius:4px;padding:8px 0;margin-top:4px;border:1px solid var(--border-color);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background-color:rgba(var(--bg-color-rgb),.95)}.settings-menu:hover .settings-dropdown{display:block}.settings-menu:after{content:"";position:absolute;top:100%;left:0;right:0;height:8px}.settings-item{padding:8px 16px;border-bottom:1px solid var(--border-color)}.settings-item:last-child{border-bottom:none}.settings-item-title{display:block;font-weight:600;margin-bottom:8px;color:var(--accent-color)}.new-file-button{display:flex;align-items:center;width:100%;padding:8px 0;border:none;background-color:transparent;color:var(--text-color);cursor:pointer;text-align:left;transition:all .2s;white-space:nowrap}.new-file-button i{margin-right:8px;width:16px;text-align:center}.new-file-button:hover{color:var(--accent-color)}.theme-toggle{display:flex;justify-content:space-between;align-items:center;margin-top:8px}.theme-toggle-switch{position:relative;display:inline-block;width:40px;height:20px}.theme-toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--border-color);transition:.4s;border-radius:20px}.toggle-slider:before{position:absolute;content:"";height:16px;width:16px;left:2px;bottom:2px;background-color:#fff;transition:.4s;border-radius:50%}input:checked+.toggle-slider{background-color:var(--accent-color)}input:checked+.toggle-slider:before{transform:translate(20px)}.font-size-control{display:flex;justify-content:space-between;align-items:center;margin-top:12px}.font-size-buttons{display:flex;align-items:center}.font-size-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;background-color:var(--hover-bg);border:1px solid var(--border-color);color:var(--text-color);border-radius:4px;cursor:pointer;font-weight:700;transition:all .2s}.font-size-btn:hover{background-color:var(--accent-color);color:#fff}.font-size-value{margin:0 8px;min-width:20px;text-align:center}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%) translateY(100px);background-color:var(--tooltip-bg);color:var(--text-color);padding:12px 24px;border-radius:4px;box-shadow:0 2px 8px var(--shadow-color);opacity:0;transition:transform .3s ease,opacity .3s ease;z-index:10000;font-weight:500;border-left:4px solid var(--accent-color)}.toast.show{transform:translate(-50%) translateY(0);opacity:1}.user-color-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:middle}.user-badge{display:inline-flex;align-items:center;margin-right:8px;padding:2px 8px;border-radius:12px;background-color:rgba(var(--bg-color-rgb),.3);border:1px solid var(--border-color);font-size:12px}@media (max-width: 768px){.toolbar{flex-direction:column;height:auto;padding:8px}.toolbar-section{width:100%;justify-content:space-between;margin-bottom:8px}.logo{font-size:16px}.document-info,.language-selector,.connected-users{margin-right:8px}.share-button,select#language{padding:4px 8px;font-size:12px}}.footer{background-color:var(--toolbar-bg);border-top:1px solid var(--border-color);padding:12px 16px;text-align:center;font-size:12px;color:var(--text-color);z-index:10}.footer a{color:var(--accent-color);text-decoration:none;transition:color .2s}.footer a:hover{color:var(--accent-hover);text-decoration:underline}.editor-container{display:flex;flex-direction:column;height:100%;width:100%;overflow:hidden}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease}.modal-overlay.visible{opacity:1;visibility:visible}.username-modal{background-color:var(--bg-color);border-radius:6px;padding:20px;width:320px;box-shadow:0 4px 12px var(--shadow-color);border:1px solid var(--border-color)}.username-modal h2{margin-bottom:16px;font-size:18px;font-weight:600}.username-modal input[type=text]{width:100%;padding:8px 12px;font-size:14px;border:1px solid var(--border-color);background-color:var(--bg-color);color:var(--text-color);border-radius:4px;margin-bottom:16px}.remember-me-section{margin-bottom:16px}.remember-me-label{display:flex;align-items:center;font-size:14px;color:var(--text-color);cursor:pointer;-webkit-user-select:none;user-select:none}.remember-me-label input[type=checkbox]{display:none}.remember-me-label .checkmark{width:16px;height:16px;border:2px solid var(--border-color);border-radius:3px;margin-right:8px;position:relative;background-color:var(--bg-color);transition:all .2s ease}.remember-me-label input[type=checkbox]:checked+.checkmark{background-color:var(--accent-color);border-color:var(--accent-color)}.remember-me-label input[type=checkbox]:checked+.checkmark:after{content:"✓";position:absolute;top:-2px;left:2px;color:#fff;font-size:12px;font-weight:700}.remember-me-label:hover .checkmark{border-color:var(--accent-color)}.username-modal input:focus{border-color:var(--accent-color);outline:none}.username-modal .modal-buttons{display:flex;justify-content:flex-end;gap:10px}.username-modal button{padding:8px 16px;border-radius:4px;border:none;font-size:14px;cursor:pointer;transition:background-color .2s}.username-modal .cancel-button{background-color:transparent;color:var(--text-color);border:1px solid var(--border-color)}.username-modal .cancel-button:hover{background-color:var(--hover-bg)}.username-modal .save-button{background-color:var(--accent-color);color:#fff}.username-modal .save-button:hover{background-color:var(--accent-hover)}.cursor-label-hidden:after,.selection-label-hidden:after{opacity:0!important;transition:opacity .6s ease-out!important}[class*=cursor-label-]:not(.cursor-label-hidden):after,[class*=selection-label-]:not(.cursor-label-hidden):after{transition:none!important}