:root{--bg: #ffffff;--surface: #ffffff;--surface2: #f4f4f4;--border: #111111;--border-muted: #d4d4d4;--text: #111111;--muted: #6b6b6b;--done: #111111;--in-progress: #6b6b6b;--todo: #b0b0b0;--danger: #c1121f;--radius: 0px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:IBM Plex Mono,ui-monospace,SF Mono,JetBrains Mono,Menlo,Consolas,monospace;min-height:100vh;-webkit-font-smoothing:antialiased}.app{max-width:900px;margin:0 auto;padding:3rem 1.25rem}.app-header{display:flex;justify-content:space-between;align-items:flex-end;gap:1rem;text-align:left;margin-bottom:2.5rem;border-bottom:2px solid var(--border);padding-bottom:1rem}.app-user{display:flex;align-items:center;gap:.6rem;font-size:.8rem;color:var(--muted);white-space:nowrap}.app-user button{border:1px solid var(--border-muted);background:none;color:var(--text);font-family:inherit;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;padding:.3rem .6rem;cursor:pointer}.app-user button:hover{opacity:.7}.app-header h1{font-size:2rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--text)}.subtitle{color:var(--muted);margin-top:.3rem;font-size:.85rem;letter-spacing:.02em}.tabs{display:flex;gap:0;margin-bottom:2rem;border-bottom:1px solid var(--border)}.tab-btn{background:none;border:none;border-right:1px solid var(--border);color:var(--muted);cursor:pointer;padding:.6rem 1.2rem;border-radius:0;font-family:inherit;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;transition:background .1s,color .1s}.tab-btn:first-child{border-left:1px solid var(--border)}.tab-btn:hover{color:var(--text);background:var(--surface2)}.tab-btn.active{color:#fff;background:var(--border);font-weight:600}.item-form{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:2rem;background:var(--surface);padding:1rem;border:1px solid var(--border);border-radius:var(--radius)}.item-form input,.item-form select,.edit-form input,.edit-form select{background:#fff;border:1px solid var(--border-muted);border-radius:var(--radius);color:var(--text);padding:.45rem .6rem;font-family:inherit;font-size:.85rem}.item-form input:focus,.item-form select:focus,.edit-form input:focus,.edit-form select:focus{outline:none;border-color:var(--border)}.input-title{flex:3 1 260px}.tag-input{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:.3rem;flex:1 1 160px;border:1px solid var(--border-muted);border-radius:var(--radius);padding:.3rem .4rem;background:#fff}.tag-input:focus-within{border-color:var(--border)}.tag-chip{display:inline-flex;align-items:center;gap:.3rem;background:var(--surface2);border:1px solid var(--border-muted);padding:.15rem .45rem;font-size:.78rem}.tag-chip button{border:none;background:none;cursor:pointer;font-size:.85rem;line-height:1;padding:0;color:var(--muted)}.tag-chip button:hover{color:var(--danger);opacity:1}.tag-input-field{border:none;outline:none;flex:1 1 80px;min-width:80px;font-family:inherit;font-size:.85rem;padding:.15rem 0}.tag-suggestions{position:absolute;top:100%;left:0;right:0;z-index:10;background:#fff;border:1px solid var(--border);border-top:none;list-style:none;max-height:160px;overflow-y:auto}.tag-suggestions li{padding:.4rem .6rem;font-size:.82rem;cursor:pointer}.tag-suggestions li:hover{background:var(--surface2)}.tag-suggestion-new{border-top:1px dashed var(--border-muted);font-style:italic}.tag-suggestion-new .hint{color:var(--muted);font-style:normal;font-size:.72rem}.item-form button,.edit-form button,.item-actions button{border-radius:var(--radius);border:1px solid var(--border);cursor:pointer;font-family:inherit;text-transform:uppercase;letter-spacing:.05em;transition:background .1s,color .1s,opacity .12s;background:#fff;color:var(--text)}.item-form button,.edit-form button{padding:.45rem 1rem;font-size:.78rem}.item-actions button{padding:.2rem .55rem;font-size:.68rem}.item-form button{background:var(--border);color:#fff}.edit-form button:first-of-type{background:var(--border);color:#fff}.edit-form button:last-of-type{background:#fff;color:var(--text)}.item-actions button:first-child{background:#fff;color:var(--text)}.item-actions button:last-child{background:#fff;color:var(--danger);border-color:var(--danger)}button:hover{opacity:.7}.item-list{list-style:none;display:flex;flex-direction:column;gap:0}.item-card{background:var(--surface);border:1px solid var(--border-muted);border-left:4px solid var(--todo);border-radius:var(--radius);padding:.6rem .9rem;margin-top:-1px}.item-card.status-in_progress{border-left-color:var(--in-progress)}.item-card.status-done{border-left-color:var(--done);background:var(--surface2)}.item-card.status-done .item-title{text-decoration:line-through;color:var(--muted)}.item-header{display:flex;align-items:center;gap:.75rem}.item-title-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.item-header .item-actions{margin-left:auto}.item-title{font-weight:600;font-size:.95rem}.item-btn-icon{display:none}.badge{font-size:.68rem;padding:.15rem .5rem;border-radius:0;font-weight:600;text-transform:uppercase;letter-spacing:.05em;border:1px solid var(--border)}.badge-todo,.badge-in_progress{background:#fff;color:var(--text)}.badge-done{background:var(--border);color:#fff}.item-desc{font-size:.85rem;color:var(--muted);margin-top:.3rem}.item-meta{display:flex;flex-wrap:wrap;gap:.6rem;font-size:.75rem;color:var(--muted);margin-top:.35rem;text-transform:uppercase;letter-spacing:.03em}.tags{color:var(--text)}.item-actions{display:flex;gap:.4rem;opacity:0;transition:opacity .12s}.item-card:hover .item-actions,.item-card:focus-within .item-actions{opacity:1}.edit-form{display:flex;flex-wrap:wrap;gap:.4rem}.mindmap-grid{display:flex;flex-wrap:wrap;gap:1rem}.mindmap-cluster{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;min-width:180px}.cluster-label{font-weight:700;color:var(--text);margin-bottom:.6rem;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--border-muted);padding-bottom:.4rem}.mindmap-cluster ul{list-style:none}.cluster-item{font-size:.85rem;border-left:3px solid var(--todo);padding:.3rem 0 .3rem .5rem;margin-bottom:.2rem}.cluster-item.status-done{border-color:var(--done)}.cluster-item.status-in_progress{border-color:var(--in-progress)}.dict-form{display:flex;gap:.5rem;margin-bottom:1.5rem}.dict-form input{flex:1;border:1px solid var(--border-muted);border-radius:var(--radius);padding:.45rem .6rem;font-family:inherit;font-size:.85rem}.dict-form input:focus{outline:none;border-color:var(--border)}.dict-form button{border:1px solid var(--border);background:var(--border);color:#fff;padding:.45rem 1rem;font-family:inherit;font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;cursor:pointer}.dict-list{list-style:none;border-top:1px solid var(--border)}.dict-entry{display:flex;justify-content:space-between;align-items:center;padding:.6rem 0;border-bottom:1px solid var(--border-muted)}.dict-term{font-weight:600;font-size:.9rem;text-transform:uppercase;letter-spacing:.04em;cursor:pointer}.dict-edit-form{flex:1}.dict-edit-form input{font-family:inherit;font-weight:600;font-size:.9rem;text-transform:uppercase;letter-spacing:.04em;border:1px solid var(--border);padding:.15rem .4rem;width:100%;max-width:240px}.dict-edit-form input:focus{outline:none}.dict-actions{display:flex;align-items:center;gap:.6rem}.dict-count{font-size:.8rem;color:var(--muted);border:1px solid var(--border-muted);padding:.1rem .5rem}.dict-actions button{border:none;background:none;cursor:pointer;font-size:1rem;line-height:1;color:var(--muted);padding:0}.dict-actions button:hover{color:var(--text);opacity:1}.dict-actions button:last-child:hover{color:var(--danger)}.loading{color:var(--muted);text-align:center;padding:2rem}.error{color:var(--danger);margin-bottom:1rem;border:1px solid var(--danger);padding:.6rem 1rem}.view-note{color:var(--muted);font-size:.8rem;margin-bottom:1.5rem}.auth-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;gap:2.5rem;padding:3rem 1.25rem}.auth-hero{width:100%;max-width:480px;text-align:center}.auth-hero h1{font-size:2rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase}.auth-hero-desc{font-size:.88rem;color:var(--text);line-height:1.6;margin:1.25rem 0}.auth-features{list-style:none;display:flex;flex-direction:column;gap:.6rem;text-align:left;border-top:1px solid var(--border-muted);border-bottom:1px solid var(--border-muted);padding:1rem 0;margin-bottom:1.5rem}.auth-features li{display:flex;flex-direction:column;gap:.1rem}.auth-feature-name{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.auth-feature-desc{font-size:.8rem;color:var(--muted)}.auth-card{width:100%;max-width:340px;border:1px solid var(--border);padding:2rem}.auth-card h2{font-size:1.1rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:1.25rem;text-align:center}.auth-card form{display:flex;flex-direction:column;gap:.6rem}.auth-card input{border:1px solid var(--border-muted);border-radius:var(--radius);padding:.5rem .7rem;font-family:inherit;font-size:.85rem;color:var(--text)}.auth-card input:focus{outline:none;border-color:var(--border)}.auth-card button[type=submit]{margin-top:.4rem;border:1px solid var(--border);background:var(--border);color:#fff;padding:.55rem;font-family:inherit;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;cursor:pointer}.auth-card button[type=submit]:disabled{opacity:.5;cursor:default}.auth-switch{margin-top:1.25rem;font-size:.8rem;color:var(--muted);text-align:center}.auth-switch-btn{border:none;background:none;color:var(--text);font-family:inherit;font-size:.8rem;font-weight:600;text-decoration:underline;cursor:pointer;padding:0}.auth-note{font-size:.82rem;color:var(--muted);margin-bottom:1.25rem;line-height:1.5}.auth-note strong{color:var(--text)}.auth-banner{font-size:.8rem;border:1px solid var(--border-muted);background:var(--surface2);padding:.6rem .8rem;margin-bottom:1rem}.demo-preview{border:1px solid var(--border);text-align:left;background:var(--surface)}.demo-preview-bar{display:flex;align-items:center;gap:.4rem;padding:.5rem .7rem;border-bottom:1px solid var(--border);background:var(--surface2)}.demo-dot{width:7px;height:7px;border-radius:50%;background:var(--border-muted);border:1px solid var(--border)}.demo-preview-title{margin-left:.4rem;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}.demo-list{list-style:none;display:flex;flex-direction:column;padding:.6rem;gap:.5rem}.demo-item{pointer-events:none;padding:.5rem .7rem;transition:background .4s,border-left-color .4s}.demo-item .item-title{font-size:.85rem}.demo-item .badge{font-size:.62rem}.demo-item .item-meta{font-size:.68rem}@media (max-width: 600px){input,select,textarea{font-size:16px!important}.app-header{flex-direction:column;align-items:flex-start;gap:.5rem}.app-user{width:100%;justify-content:space-between;white-space:normal}.app-header h1{font-size:1.5rem}.item-header{flex-direction:column;align-items:flex-start;gap:.5rem}.item-header .item-actions{margin-left:0;width:100%;opacity:1!important}.item-actions button{padding:.35rem .6rem}.item-btn-icon{display:inline;font-size:.9rem}.item-btn-label{display:none}}