*,:before,:after{box-sizing:border-box}:root{--font:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg:#fff;--text:#1a1a1a;--text-muted:#9ca3af;--text-completed:silver;--border:#e8e8e8;--hover:#f7f7f7;--accent:#2563eb;--accent-light:#eff6ff;--triangle:silver;--danger:#ef4444;--radius:6px}body{font-family:var(--font);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;margin:0;font-size:15px;line-height:1.6}#root{flex-direction:column;min-height:100vh;display:flex}button{font-family:inherit;font-size:inherit;cursor:pointer}input{font-family:inherit;font-size:inherit}.loading-screen{justify-content:center;align-items:center;height:100vh;display:flex}.loading-dot{background:var(--accent);border-radius:50%;width:8px;height:8px;animation:1s infinite pulse}@keyframes pulse{0%,to{opacity:.3;transform:scale(.8)}50%{opacity:1;transform:scale(1)}}.auth-page{background:#fafafa;justify-content:center;align-items:center;min-height:100dvh;padding:16px;display:flex}.auth-card{border:1px solid var(--border);background:#fff;border-radius:12px;width:100%;max-width:380px;padding:36px 32px;box-shadow:0 1px 3px #0000000f}@media (width<=480px){.auth-page{background:#fff;align-items:flex-start;padding:0}.auth-card{box-shadow:none;border:none;border-radius:0;min-height:100dvh;padding:48px 24px 32px}}.auth-logo{letter-spacing:-.5px;color:var(--text);margin:0 0 4px;font-size:22px;font-weight:600}.auth-tagline{color:var(--text-muted);margin:0 0 28px;font-size:14px}.auth-form{flex-direction:column;gap:14px;display:flex}.form-group{flex-direction:column;gap:5px;display:flex}.form-group label{color:#374151;font-size:13px;font-weight:500}.form-input{border:1px solid var(--border);border-radius:var(--radius);-webkit-appearance:none;background:#fff;outline:none;width:100%;padding:11px 14px;font-size:16px;transition:border-color .15s}.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.btn-primary{background:var(--accent);color:#fff;border-radius:var(--radius);cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;width:100%;margin-top:4px;padding:13px 16px;font-size:16px;font-weight:500;transition:background .15s,opacity .15s}.btn-primary:hover{background:#1d4ed8}.btn-primary:active{background:#1e40af}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.auth-switch{text-align:center;color:var(--text-muted);margin-top:20px;font-size:14px}.auth-switch button{color:var(--accent);cursor:pointer;background:0 0;border:none;padding:0;font-size:14px;text-decoration:underline}.auth-error{color:var(--danger);border-radius:var(--radius);background:#fef2f2;border:1px solid #fecaca;padding:10px 12px;font-size:14px}.auth-success{color:#166534;border-radius:var(--radius);background:#f0fdf4;border:1px solid #bbf7d0;padding:10px 12px;font-size:14px}.qr-section{flex-direction:column;align-items:center;gap:12px;margin:8px 0 4px;display:flex}.qr-code-img{border:1px solid var(--border);border-radius:8px;width:180px;height:180px}.qr-manual{color:var(--text-muted);text-align:center;font-size:12px}.qr-manual code{letter-spacing:1px;word-break:break-all;background:#f3f4f6;border-radius:4px;margin-top:4px;padding:3px 6px;font-family:monospace;font-size:11px;display:block}.remember-device{color:#374151;cursor:pointer;align-items:center;gap:10px;padding:4px 0;font-size:15px;display:flex}.remember-device input{width:18px;height:18px;accent-color:var(--accent);cursor:pointer;flex-shrink:0}.outliner{flex-direction:column;min-height:100dvh;display:flex}.topbar{border-bottom:1px solid var(--border);z-index:10;background:#fff;flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;height:52px;padding:0 16px;display:flex;position:sticky;top:0}.topbar-logo{letter-spacing:-.4px;color:var(--text);flex-shrink:0;margin:0;font-size:17px;font-weight:600}.topbar-right{align-items:center;gap:8px;min-width:0;display:flex}.topbar-user{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;min-width:0;font-size:13px;overflow:hidden}@media (width<=480px){.topbar-user,.save-indicator{display:none}}.btn-ghost{border:1px solid var(--border);border-radius:var(--radius);color:#374151;cursor:pointer;white-space:nowrap;-webkit-tap-highlight-color:transparent;background:0 0;padding:6px 10px;font-size:13px;transition:background .1s,border-color .1s}.btn-ghost:hover{background:var(--hover);border-color:#d1d5db}.btn-ghost:active{background:#ebebeb}.save-indicator{color:var(--text-muted);white-space:nowrap;flex-shrink:0;font-size:12px}.items-area{flex:1;width:100%;max-width:760px;margin:0 auto;padding:16px 8px 120px}@media (width>=640px){.items-area{padding:24px 16px 80px}}.empty-state{text-align:center;color:var(--text-muted);padding:60px 24px;font-size:15px}.empty-state-btn{background:var(--accent);color:#fff;border-radius:var(--radius);cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;align-items:center;gap:6px;margin-top:16px;padding:12px 20px;font-size:15px;transition:background .15s;display:inline-flex}.empty-state-btn:hover{background:#1d4ed8}.empty-state-btn:active{background:#1e40af}.item-row{border-radius:5px;align-items:flex-start;min-height:36px;padding:2px 4px;display:flex;position:relative}.item-row:hover{background:var(--hover)}.triangle-btn{cursor:pointer;width:28px;height:36px;color:var(--triangle);-webkit-tap-highlight-color:transparent;touch-action:manipulation;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:9px;transition:color .1s;display:flex}.triangle-btn:hover{color:#6b7280;background:#ebebeb}.triangle-btn:active{background:#e0e0e0}.triangle-btn.invisible{visibility:hidden;pointer-events:none}.item-bullet{appearance:none;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;background-clip:content-box;border:1.5px solid #d1d5db;border-radius:50%;flex-shrink:0;width:16px;height:16px;margin:2px 0 0;padding:10px;transition:border-color .15s,background .15s;position:relative}.item-bullet:hover{border-color:#9ca3af}.item-bullet:checked{background-color:#9ca3af;background-clip:content-box;border-color:#9ca3af}.item-bullet:checked:after{content:"";border-top:none;border-bottom:1.5px solid #fff;border-left:1.5px solid #fff;border-right:none;width:6px;height:4px;position:absolute;top:50%;left:50%;transform:translate(-50%,-60%)rotate(-45deg)}.item-content{white-space:pre-wrap;word-break:break-word;min-height:36px;caret-color:var(--accent);outline:none;flex:1;padding:8px 4px 8px 6px;font-size:15px;line-height:1.5}@media (width<=640px){.item-content{font-size:16px}}.item-content.is-completed{color:var(--text-completed);-webkit-text-decoration:line-through #d1d5db;text-decoration:line-through #d1d5db}.item-content:empty:before{content:attr(data-placeholder);color:#e0e0e0;pointer-events:none}.mobile-toolbar{display:none}@media (width<=768px){.mobile-toolbar{border-top:1px solid var(--border);padding:8px 12px;padding-bottom:calc(8px + env(safe-area-inset-bottom));z-index:20;background:#fff;align-items:center;gap:6px;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -1px 8px #0000000f}.mobile-toolbar.hidden{display:none}}.toolbar-btn{border:1px solid var(--border);color:#374151;cursor:pointer;-webkit-tap-highlight-color:transparent;touch-action:manipulation;background:#fff;border-radius:8px;flex:1;justify-content:center;align-items:center;gap:6px;height:44px;font-family:inherit;font-size:14px;transition:background .1s;display:flex}.toolbar-btn:active{background:var(--hover)}.toolbar-btn.toolbar-add{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:500}.toolbar-btn.toolbar-add:active{background:#1d4ed8}.toolbar-btn-icon{font-size:16px;line-height:1}