:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-tertiary: #21262d;--bg-hover: #30363d;--border-color: #30363d;--text-primary: #c9d1d9;--text-secondary: #8b949e;--text-muted: #6e7681;--accent-green: #3fb950;--accent-blue: #58a6ff;--accent-yellow: #d29922;--accent-red: #f85149;--font-mono: "Consolas", "Monaco", "Courier New", monospace}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:var(--font-mono);font-size:14px;line-height:1.5;color:var(--text-primary);background-color:var(--bg-primary)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--bg-hover)}.app{display:flex;flex-direction:column;height:100%}.app-header{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background:var(--bg-secondary);border-bottom:1px solid 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var(--border-color);background:var(--bg-secondary)}.editor-title-input{flex:1;background:transparent;border:none;outline:none;font-family:var(--font-mono);font-size:18px;font-weight:700;color:var(--text-primary)}.editor-title-input::placeholder{color:var(--text-muted)}.editor-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.editor-textarea{flex:1;padding:16px;background:var(--bg-primary);border:none;outline:none;resize:none;font-family:var(--font-mono);font-size:14px;line-height:1.6;color:var(--text-primary);white-space:pre;overflow-x:auto;overflow-y:auto}.editor-textarea::placeholder{color:var(--text-muted)}.editor-content.two-columns{flex-direction:row;gap:0}.editor-content.two-columns .editor-textarea{flex:1;min-width:0}.editor-content.two-columns .editor-textarea-left{border-right:none}.editor-content.two-columns .editor-textarea-right{border-left:none}.column-divider{width:1px;background:var(--border-color);flex-shrink:0}.attachment-bar{border-top:1px solid 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6px;border-radius:4px;margin-left:8px}.command-palette-empty{padding:16px;text-align:center;color:var(--text-muted)}.btn{display:inline-flex;align-items:center;gap:4px;padding:4px 8px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:4px;font-family:var(--font-mono);font-size:12px;color:var(--text-primary);cursor:pointer;transition:background .1s}.btn:hover{background:var(--bg-hover)}.btn-icon{padding:4px 6px}.input-dialog-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1001}.input-dialog{width:400px;max-width:90vw;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:8px;padding:20px}.input-dialog-title{margin-bottom:16px;font-size:16px;color:var(--text-primary)}.input-dialog-input{width:100%;padding:10px 12px;background:var(--bg-primary);border:1px solid 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16px;font-size:12px;color:var(--text-muted);text-align:center}.login-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--bg-primary)}.login-container{text-align:center;padding:40px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;max-width:400px;width:90%}.login-title{font-size:36px;font-weight:700;color:var(--accent-green);margin:0 0 8px}.login-subtitle{font-size:14px;color:var(--text-secondary);margin:0 0 32px}.login-button{display:inline-flex;align-items:center;justify-content:center;gap:12px;width:100%;padding:12px 24px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:8px;font-family:var(--font-mono);font-size:14px;color:var(--text-primary);cursor:pointer;transition:all .15s}.login-button:hover{background:var(--bg-hover);border-color:var(--accent-blue)}.login-google-icon{flex-shrink:0}.login-info{margin:24px 0 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var(--border-color)}.backup-modal-title{font-size:16px;font-weight:700;color:var(--text-primary);margin:0}.backup-modal-close{background:none;border:none;font-size:24px;color:var(--text-muted);cursor:pointer;padding:0;line-height:1}.backup-modal-close:hover{color:var(--text-primary)}.backup-modal-content{padding:20px}.backup-section{margin-bottom:20px}.backup-section:last-child{margin-bottom:0}.backup-section h3{font-size:14px;color:var(--text-primary);margin:0 0 8px}.backup-section p{font-size:12px;color:var(--text-secondary);margin:0 0 12px}.backup-status{margin-top:16px;padding:10px;border-radius:4px;font-size:13px;text-align:center}.backup-status.success{background:#3fb9501a;color:var(--accent-green)}.backup-status.error{background:#f851491a;color:var(--accent-red)}.backup-button{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:50%;font-size:12px;color:var(--text-secondary);cursor:pointer;transition:all .15s}.backup-button:hover{background:var(--bg-hover);color:var(--accent-blue);border-color:var(--accent-blue)}.hamburger-button{display:none;align-items:center;justify-content:center;width:32px;height:32px;background:none;border:none;font-size:20px;color:var(--text-secondary);cursor:pointer;padding:0}.hamburger-button:hover{color:var(--text-primary)}.sidebar-collapse-btn{display:flex;align-items:center;justify-content:center;width:20px;height:20px;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:4px;font-size:10px;color:var(--text-muted);cursor:pointer;transition:all .15s}.sidebar-collapse-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.sidebar.collapsed{width:48px;min-width:48px}.sidebar.collapsed .sidebar-header{padding:12px 8px;justify-content:center}.sidebar.collapsed .sidebar-header-text,.sidebar.collapsed .sidebar-content,.sidebar.collapsed .sidebar-tasks{display:none}.sidebar.collapsed .sidebar-collapse-btn{transform:rotate(180deg)}.sidebar.collapsed:hover{position:absolute;left:0;top:0;bottom:0;width:250px;z-index:100;box-shadow:4px 0 16px #0000004d}.sidebar.collapsed:hover .sidebar-header{padding:12px 16px;justify-content:space-between}.sidebar.collapsed:hover .sidebar-header-text,.sidebar.collapsed:hover .sidebar-content,.sidebar.collapsed:hover .sidebar-tasks{display:flex}.sidebar.collapsed:hover .sidebar-content{display:block}.sidebar.collapsed:hover .sidebar-collapse-btn{transform:rotate(0)}.sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:99}.sidebar-overlay.visible{display:block}@media(max-width:768px){.hamburger-button{display:flex}.sidebar-collapse-btn{display:none}.sidebar{position:fixed;left:-260px;top:0;bottom:0;width:250px;z-index:100;transition:left .3s ease}.sidebar.mobile-open{left:0}.sidebar.collapsed{width:250px;min-width:250px}.sidebar.collapsed .sidebar-header-text,.sidebar.collapsed .sidebar-content,.sidebar.collapsed .sidebar-tasks{display:block}.sidebar.collapsed:hover{position:fixed;box-shadow:none}.app-main{position:relative}.editor-container{width:100%}.editor-content.two-columns{flex-direction:column}.editor-content.two-columns .editor-textarea{min-height:40vh}.column-divider{width:100%;height:1px}.editor-textarea{white-space:pre-wrap;word-wrap:break-word}.user-name{display:none}.help-modal,.backup-modal,.command-palette{width:95vw;max-width:95vw}.command-palette-overlay{padding-top:50px}}