:root{--bg:#f6f7fb;--card:#fff;--text:#1a1d26;--muted:#6b7280;--border:#e5e7eb;--primary:#4f46e5;--primary-hover:#4338ca;--danger:#dc2626;--danger-hover:#b91c1c;--low:#059669;--medium:#d97706;--high:#dc2626;--radius:10px;--shadow:0 1px 3px #00000014;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0}#root{min-height:100vh}.navbar{background:var(--card);border-bottom:1px solid var(--border);z-index:10;position:sticky;top:0}.navbar-inner{justify-content:space-between;align-items:center;max-width:960px;margin:0 auto;padding:12px 20px;display:flex}.brand{color:var(--primary);font-size:20px;font-weight:800;text-decoration:none}.nav-links{align-items:center;gap:12px;display:flex}.nav-link{color:var(--text);font-weight:500;text-decoration:none}.nav-link.active{color:var(--primary)}.nav-user{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;max-width:180px;font-size:13px;overflow:hidden}.container{max-width:960px;margin:0 auto;padding:24px 20px 60px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:20px}.form h2,.form h3{margin:0 0 4px}.form{flex-direction:column;gap:12px;display:flex}.field{flex-direction:column;gap:6px;font-size:14px;display:flex}.field span{font-weight:600}.field input,.field select,.field textarea{border:1px solid var(--border);color:var(--text);background:#fff;border-radius:8px;padding:10px 12px;font-family:inherit;font-size:14px}.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--primary);border-color:var(--primary)}.field.inline{flex:1;min-width:160px}.form-row{flex-wrap:wrap;gap:12px;display:flex}.form-row .field{flex:1;min-width:180px}.checkbox{align-items:center;gap:8px;font-size:14px;display:flex}.form-actions{justify-content:flex-end;gap:10px;display:flex}.btn{border:1px solid var(--border);color:var(--text);cursor:pointer;text-align:center;background:#fff;border-radius:8px;padding:9px 16px;font-size:14px;font-weight:600;text-decoration:none;display:inline-block}.btn:hover{background:#f3f4f6}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-danger{color:var(--danger);border-color:#fecaca}.btn-danger:hover{background:#fef2f2}.btn-sm{padding:6px 12px;font-size:13px}.btn-block{width:100%}.auth-wrap{max-width:440px;margin:40px auto}.muted{color:var(--muted);margin:0;font-size:14px}.center{text-align:center}.muted a,a{color:var(--primary)}.error-box{color:#991b1b;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;justify-content:space-between;align-items:center;gap:10px;padding:10px 12px;font-size:14px;display:flex}.error-dismiss{cursor:pointer;color:inherit;background:0 0;border:none;font-size:18px}.error-text{color:var(--danger);margin:0;font-size:13px}.loading{color:var(--muted);justify-content:center;align-items:center;gap:10px;padding:30px;display:flex}.spinner{border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.page-head{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:16px;display:flex}.page-head h2{margin:0}.filters{flex-wrap:wrap;gap:12px;display:flex}.todo-list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.todo-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);border-left:4px solid var(--border);align-items:flex-start;gap:12px;padding:14px 16px;display:flex}.todo-item.priority-low{border-left-color:var(--low)}.todo-item.priority-medium{border-left-color:var(--medium)}.todo-item.priority-high{border-left-color:var(--high)}.todo-item.done .todo-title{color:var(--muted);text-decoration:line-through}.todo-check input{cursor:pointer;width:18px;height:18px;margin-top:2px}.todo-body{flex:1;min-width:0}.todo-title-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.todo-title{font-weight:700}.todo-desc{color:#374151;white-space:pre-wrap;margin:6px 0;font-size:14px}.todo-meta{color:var(--muted);flex-wrap:wrap;gap:12px;font-size:12px;display:flex}.todo-actions{flex-shrink:0;gap:8px;display:flex}.badge{text-transform:uppercase;letter-spacing:.04em;border-radius:999px;padding:2px 8px;font-size:11px;font-weight:700}.badge-low{color:#065f46;background:#ecfdf5}.badge-medium{color:#92400e;background:#fffbeb}.badge-high{color:#991b1b;background:#fef2f2}.badge-done{color:var(--primary);background:#eef2ff}.empty{text-align:center;color:var(--muted)}