:root{--bg-darkest: #1e1f22;--bg-sidebar: #2b2d31;--bg-app: #313338;--bg-input: #383a40;--bg-hover: #404249;--bg-active: #404249;--text: #dbdee1;--text-strong: #f2f3f5;--text-muted: #949ba4;--accent: #8b5cf6;--accent-hover: #7c3aed;--success: #23a55a;--danger: #da373c;--border: #1f2023;--radius: 8px;--sidebar-w: 240px;--topbar-h: 56px;--font: "gg sans", "Helvetica Neue", Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);background:var(--bg-app);color:var(--text);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;border-radius:var(--radius);transition:background-color .15s ease,opacity .15s ease}button:disabled{opacity:.5;cursor:not-allowed}input{font-family:inherit}.app{display:grid;grid-template-columns:var(--sidebar-w) 1fr;height:100%;transition:grid-template-columns .18s ease}.app.collapsed{--sidebar-w: 72px}.app.sidebar-hidden{grid-template-columns:1fr}.app.sidebar-hidden .sidebar,.app.sidebar-hidden .topbar{display:none}.fullscreen-toggle{position:fixed;top:16px;left:16px;width:40px;height:40px;border-radius:50%;background:var(--bg-sidebar);color:var(--text);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;z-index:1000;transition:background-color .15s ease}.fullscreen-toggle:hover{background:var(--bg-hover)}.fullscreen-logo{width:24px;height:24px}.sidebar{background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:12px;overflow:hidden;white-space:nowrap}.brand{display:flex;align-items:center;gap:10px;padding:10px 8px 16px}.brand .lotus{width:30px;height:30px;flex-shrink:0}.brand-name{font-size:18px;font-weight:700;color:var(--text-strong);letter-spacing:.2px}.nav-button{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:10px 12px;background:transparent;color:var(--text-muted);font-size:15px;font-weight:500}.nav-button:hover{background:var(--bg-hover);color:var(--text)}.nav-button.active{background:var(--bg-active);color:var(--text-strong)}.nav-button svg{flex-shrink:0}.sidebar-toggle{margin-left:auto;display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;background:transparent;color:var(--text-muted);flex-shrink:0}.sidebar-toggle:hover{background:var(--bg-hover);color:var(--text)}.sidebar-toggle .chevron{transition:transform .18s ease}.sidebar-fullscreen{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:6px;background:transparent;color:var(--text-muted);flex-shrink:0}.sidebar-fullscreen:hover{background:var(--bg-hover);color:var(--text)}.app.collapsed .brand{flex-direction:column;align-items:center;gap:14px;padding-left:0;padding-right:0}.app.collapsed .nav-button{justify-content:center;padding-left:0;padding-right:0}.app.collapsed .brand-name,.app.collapsed .nav-label{display:none}.app.collapsed .sidebar-toggle{margin-left:0}.app.collapsed .sidebar-toggle .chevron{transform:rotate(180deg)}.app.collapsed .sidebar-fullscreen{width:100%;margin-top:auto}.main{display:flex;flex-direction:column;min-width:0}.topbar{height:var(--topbar-h);flex-shrink:0;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 20px;gap:12px}.topbar-title{font-size:16px;font-weight:600;color:var(--text-strong)}.topbar-actions{display:flex;align-items:center;gap:8px}.btn{padding:8px 14px;font-size:14px;font-weight:500;background:var(--bg-input);color:var(--text)}.btn:hover{background:var(--bg-hover)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover{background:var(--bg-hover);color:var(--text)}.user-chip{display:flex;align-items:center;gap:8px;color:var(--text);font-size:14px;font-weight:500}.user-chip .avatar{width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;text-transform:uppercase}.workspace{flex:1;display:flex;min-height:0}.content{flex:1;overflow-y:auto;padding:28px;display:flex;justify-content:center}.todo-panel{width:100%;max-width:640px}.todo-panel h1{font-size:24px;color:var(--text-strong);margin:0 0 4px}.todo-panel .subtitle{color:var(--text-muted);font-size:14px;margin:0 0 22px}.add-row{display:flex;gap:10px;margin-bottom:20px}.add-row input{flex:1;padding:12px 14px;border-radius:var(--radius);border:1px solid transparent;background:var(--bg-input);color:var(--text);font-size:15px;outline:none}.add-row input:focus{border-color:var(--accent)}.tree{display:flex;flex-direction:column;gap:10px}.task-node{display:flex;flex-direction:column}.tree>.task-node{background:var(--bg-sidebar);border:1px solid rgba(255,255,255,.09);border-radius:10px;padding:6px 8px}.task-row{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:6px}.task-row:hover{background:var(--bg-input)}.caret{width:20px;height:20px;flex-shrink:0;display:flex;align-items:center;justify-content:center;padding:0;background:transparent;color:var(--text-muted);border-radius:4px}.caret:hover{background:var(--bg-hover);color:var(--text)}.caret svg{transition:transform .15s ease}.caret.open svg{transform:rotate(90deg)}.caret.leaf{visibility:hidden;cursor:default}.task-check{width:18px;height:18px;flex-shrink:0;border-radius:50%;border:2px solid var(--text-muted);background:transparent;display:flex;align-items:center;justify-content:center;padding:0}.task-check.done{background:var(--accent);border-color:var(--accent)}.task-check svg{width:11px;height:11px;stroke:#fff}.task-title{flex:1;min-width:0;font-size:15px;color:var(--text);background:transparent;border:1px solid transparent;border-radius:5px;outline:none;height:28px;line-height:1;padding:7px 6px 1px}.task-title:focus{border-color:var(--accent);background:var(--bg-darkest)}.task-row.completed .task-title{color:var(--text-muted);text-decoration:line-through}.task-progress{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:4px}.task-progress-track{width:72px;height:6px;border-radius:999px;background:var(--bg-darkest);overflow:hidden}.task-progress-fill{height:100%;border-radius:inherit;background:var(--accent);transition:width .3s ease}.task-progress-label{font-size:12px;color:var(--text-muted);min-width:30px;text-align:right;font-variant-numeric:tabular-nums}.task-actions{display:flex;gap:2px;opacity:0}.task-row:hover .task-actions{opacity:1}.task-act{width:26px;height:26px;flex-shrink:0;display:flex;align-items:center;justify-content:center;padding:0;background:transparent;color:var(--text-muted);border-radius:5px}.task-act:hover{background:var(--bg-hover);color:var(--text)}.task-act.danger:hover{background:var(--danger);color:#fff}.task-act.has-detail{color:var(--accent);opacity:1}.task-row.selected{background:var(--bg-input);box-shadow:inset 2px 0 0 var(--accent)}.task-detail{width:360px;flex-shrink:0;border-left:1px solid var(--border);background:var(--bg-sidebar);display:flex;flex-direction:column;overflow-y:auto;animation:detail-in .18s ease}@keyframes detail-in{0%{transform:translate(16px);opacity:0}}@media (prefers-reduced-motion: reduce){.task-detail{animation:none}}.detail-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-sidebar)}.detail-eyebrow{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);font-weight:600}.detail-collapse{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:transparent;color:var(--text-muted);border-radius:6px}.detail-collapse:hover{background:var(--bg-hover);color:var(--text)}.detail-body{padding:18px 16px;display:flex;flex-direction:column;gap:22px}.detail-title{margin:0;font-size:18px;font-weight:600;color:var(--text-strong);word-break:break-word}.detail-field{display:flex;flex-direction:column;gap:8px}.detail-field>label{font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted)}.detail-field textarea{width:100%;resize:vertical;background:var(--bg-darkest);border:1px solid transparent;border-radius:8px;color:var(--text);font-family:inherit;font-size:14px;line-height:1.5;padding:10px 12px;outline:none}.detail-field textarea:focus{border-color:var(--accent)}.detail-links{display:flex;flex-direction:column;gap:8px}.detail-hint{margin:0;font-size:13px;color:var(--text-muted)}.detail-link{display:flex;align-items:center;gap:6px}.detail-link-inputs{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px;background:var(--bg-darkest);border:1px solid transparent;border-radius:8px;padding:6px 8px}.detail-link-inputs:focus-within{border-color:var(--accent)}.detail-link-inputs input{background:transparent;border:none;outline:none;color:var(--text);font-size:14px}.detail-link-inputs .link-label{font-weight:600}.detail-link-inputs .link-url{color:var(--text-muted);font-size:13px}.link-open,.link-remove{width:28px;height:28px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:6px;background:transparent;color:var(--text-muted)}.link-open:hover{background:var(--bg-hover);color:var(--accent)}.link-remove:hover{background:var(--danger);color:#fff}.detail-add-link{align-self:flex-start;background:transparent;color:var(--accent);font-size:14px;font-weight:500;padding:6px 4px}.detail-add-link:hover{text-decoration:underline}.task-children{margin-left:15px;padding-left:12px;border-left:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column}.subtask-add{display:flex;padding:4px 6px 4px 26px}.subtask-add input{flex:1;background:var(--bg-input);border:1px solid var(--accent);border-radius:6px;padding:6px 10px;color:var(--text);font-size:14px;outline:none}.empty{text-align:center;color:var(--text-muted);padding:48px 0;font-size:15px}.modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;padding:20px;z-index:100}.modal{background:var(--bg-app);border-radius:12px;width:100%;max-width:420px;padding:24px;box-shadow:0 8px 40px #0006}.modal h2{margin:0 0 6px;color:var(--text-strong);font-size:22px}.modal .modal-sub{margin:0 0 20px;color:var(--text-muted);font-size:14px}.field{margin-bottom:16px}.field label{display:block;font-size:12px;font-weight:700;text-transform:uppercase;color:var(--text-muted);margin-bottom:6px;letter-spacing:.4px}.field input{width:100%;padding:11px 12px;border-radius:var(--radius);border:1px solid transparent;background:var(--bg-darkest);color:var(--text);font-size:15px;outline:none}.field input:focus{border-color:var(--accent)}.modal-error{background:#da373c1f;color:#f5a3a5;padding:10px 12px;border-radius:var(--radius);font-size:13px;margin-bottom:16px}.modal-actions{display:flex;flex-direction:column;gap:10px;margin-top:8px}.modal-actions .btn-primary{width:100%;padding:11px;font-size:15px}.modal-switch{text-align:center;font-size:13px;color:var(--text-muted);margin-top:16px}.modal-switch button{background:none;color:var(--accent);font-size:13px;padding:0}.modal-switch button:hover{text-decoration:underline}.modal-close{position:absolute}