#root{text-align:left;width:100%;max-width:100%;min-height:100vh;margin:0}:root{--bg:#0d1117;--surface:#161b22;--surface-elevated:#21262d;--primary:#58a6ff;--primary-hover:#79b8ff;--success:#3fb950;--warning:#d29922;--danger:#f85149;--text-primary:#f0f6fc;--text-secondary:#8b949e;--border:#30363d;--radius:8px;--radius-sm:6px;--radius-xs:4px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text-primary);min-height:100vh;font-family:JetBrains Mono,Fira Code,monospace;font-size:14px}.app{min-height:100vh;display:flex}.mobile-menu-btn{z-index:1000;background:var(--surface);border:1px solid var(--border);color:var(--text-primary);border-radius:var(--radius-sm);cursor:pointer;padding:8px 12px;font-size:20px;transition:background .15s ease-out;display:none;position:fixed;top:16px;left:16px}.mobile-menu-btn:hover{background:var(--surface-elevated)}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;width:280px;height:100vh;display:flex;position:fixed;overflow-y:auto}.sidebar-header{border-bottom:1px solid var(--border);padding:24px}.app-title{color:var(--text-primary);font-size:28px;font-weight:700}.lists{flex:1;padding:16px 0}.list-item{cursor:pointer;align-items:center;padding:12px 24px;transition:background .15s ease-out;display:flex;position:relative}.list-item:hover{background:var(--surface-elevated)}.list-item.active{background:var(--surface-elevated);border-right:3px solid var(--primary)}.list-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px;margin-right:12px}.list-name{color:var(--text-primary);flex:1;font-size:14px}.delete-list-btn{color:var(--text-secondary);cursor:pointer;opacity:0;background:0 0;border:none;padding:4px 8px;font-size:18px;transition:opacity .15s ease-out,color .15s ease-out}.list-item:hover .delete-list-btn{opacity:1}.delete-list-btn:hover{color:var(--danger)}.add-list-section{border-top:1px solid var(--border);padding:16px 24px}.add-list-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:8px 0;font-size:14px;transition:color .15s ease-out}.add-list-btn:hover{color:var(--primary)}.new-list-form input{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text-primary);border-radius:var(--radius-sm);outline:none;padding:10px 12px;font-family:inherit;font-size:14px}.new-list-form input:focus{border-color:var(--primary)}.main-content{flex:1;max-width:800px;margin-left:280px;padding:32px 48px}.header{align-items:baseline;gap:16px;margin-bottom:32px;display:flex}.header h2{font-size:28px;font-weight:700}.task-count{color:var(--text-secondary);font-size:14px}.task-input-form{margin-bottom:24px}.task-input{background:var(--surface);border:1px solid var(--border);width:100%;color:var(--text-primary);border-radius:var(--radius);outline:none;padding:16px 20px;font-family:inherit;font-size:16px;transition:border-color .15s ease-out,box-shadow .15s ease-out}.task-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #58a6ff26}.task-input::placeholder{color:var(--text-secondary)}.task-list{flex-direction:column;gap:8px;display:flex}.task-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);border-left-width:4px;align-items:center;padding:16px;transition:background .15s ease-out,box-shadow .15s ease-out;display:flex}.task-item:hover{background:var(--surface-elevated);box-shadow:0 4px 12px #0006}.task-item.completed{opacity:.6}.task-item.completed .task-title{color:var(--text-secondary);text-decoration:line-through}.checkbox{border:2px solid var(--border);width:22px;height:22px;color:var(--success);cursor:pointer;background:0 0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-right:16px;font-size:14px;font-weight:700;transition:background .15s ease-out,border-color .15s ease-out;display:flex}.checkbox:hover{border-color:var(--primary)}.checkbox.checked{background:var(--success);border-color:var(--success);color:var(--bg)}.task-title{cursor:pointer;flex:1;padding:4px 0;font-size:14px}.edit-input{background:var(--bg);border:1px solid var(--primary);color:var(--text-primary);border-radius:var(--radius-xs);outline:none;flex:1;padding:8px 12px;font-family:inherit;font-size:14px}.task-actions{opacity:0;align-items:center;gap:8px;transition:opacity .15s ease-out;display:flex}.task-item:hover .task-actions{opacity:1}.priority-select,.date-input{background:var(--bg);border:1px solid var(--border);color:var(--text-secondary);border-radius:var(--radius-xs);cursor:pointer;outline:none;padding:6px 8px;font-family:inherit;font-size:12px}.priority-select:focus,.date-input:focus{border-color:var(--primary)}.priority-select{min-width:80px}.date-input{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}.delete-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:20px;transition:color .15s ease-out}.delete-btn:hover{color:var(--danger)}.empty-state{text-align:center;color:var(--text-secondary);padding:48px 24px}@media (width<=1024px){.main-content{margin-left:0;padding:80px 24px 24px}.sidebar{z-index:999;transition:transform .15s ease-out;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.mobile-menu-btn{display:block}.task-actions{opacity:1}}@media (width<=768px){.main-content{padding:80px 16px 16px}.header{flex-direction:column;gap:4px}.task-actions{flex-wrap:wrap;gap:4px}.priority-select,.date-input{padding:4px 6px;font-size:11px}}.auth-container{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:400px;padding:48px 40px;box-shadow:0 8px 24px #0006}.auth-title{text-align:center;margin-bottom:8px;font-size:32px;font-weight:700}.auth-subtitle{text-align:center;color:var(--text-secondary);margin-bottom:32px}.auth-form{flex-direction:column;gap:16px;display:flex}.auth-input{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text-primary);border-radius:var(--radius-sm);outline:none;padding:14px 16px;font-family:inherit;font-size:14px;transition:border-color .15s ease-out}.auth-input:focus{border-color:var(--primary)}.auth-error{border:1px solid var(--danger);color:var(--danger);border-radius:var(--radius-sm);text-align:center;background:#f851491a;padding:12px;font-size:13px}.auth-btn{background:var(--primary);color:var(--bg);border-radius:var(--radius-sm);cursor:pointer;border:none;margin-top:8px;padding:14px 16px;font-family:inherit;font-size:14px;font-weight:600;transition:background .15s ease-out}.auth-btn:hover{background:var(--primary-hover)}.auth-btn:disabled{opacity:.6;cursor:not-allowed}.auth-toggle{text-align:center;color:var(--text-secondary);margin-top:24px;font-size:14px}.auth-toggle-btn{color:var(--primary);cursor:pointer;background:0 0;border:none;margin-left:8px;font-family:inherit;font-size:14px}.auth-toggle-btn:hover{text-decoration:underline}.auth-loading{color:var(--text-secondary);font-size:16px}.user-section{border-top:1px solid var(--border);padding:16px 24px}.user-info{flex-direction:column;gap:8px;display:flex}.user-email{color:var(--text-secondary);text-overflow:ellipsis;font-size:12px;overflow:hidden}.signout-btn{border:1px solid var(--border);color:var(--text-secondary);border-radius:var(--radius-xs);cursor:pointer;background:0 0;align-self:flex-start;padding:6px 12px;font-family:inherit;font-size:12px;transition:all .15s ease-out}.signout-btn:hover{background:var(--surface-elevated);color:var(--text-primary)}