:root{--bg:#f2f0e7;--panel:#fcfbf6;--panel-2:#ece7da;--field-bg:#fff;--border:#d3cec1;--border-strong:#2b2926;--field-border:#bbb4a4;--text:#232220;--muted:#5c584f;--faint:#8a8478;--leaf:#6fa15c;--leaf-deep:#557e45;--terracotta:#c9543a;--clay:#a53d26;--mustard:#d9a734;--accent:#c9543a;--serif:"Newsreader", Georgia, "Times New Roman", serif;--sans:"IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, sans-serif;--mono:"IBM Plex Mono", ui-monospace, "SF Mono", monospace;--radius:6px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-size:14px;font-weight:400}::selection{background:var(--terracotta);color:#fcfbf6}a{color:var(--clay);text-decoration:none}button{font:inherit;cursor:pointer}.topbar{border-bottom:1px solid var(--border-strong);background:var(--panel);justify-content:space-between;align-items:center;gap:12px;padding:12px 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0}.btn.secondary:hover{background:var(--border-strong);color:#fcfbf6}.btn:disabled{opacity:.45;cursor:not-allowed}.btn:disabled:hover{background:var(--terracotta);border-color:var(--terracotta)}.btn.secondary:disabled:hover{color:var(--text);background:0 0}.container{max-width:900px;margin:0 auto;padding:40px 24px}.input,.textarea,.select{background:var(--field-bg);width:100%;color:var(--text);border:1px solid var(--field-border);border-radius:var(--radius);font-family:var(--sans);padding:10px 12px;transition:border-color .18s,box-shadow .18s}.input::placeholder,.textarea::placeholder{color:var(--faint)}.input:focus,.textarea:focus,.select:focus{border-color:var(--terracotta);outline:none;box-shadow:0 0 0 3px #c9543a26}.textarea{resize:vertical;min-height:220px;max-height:70vh;line-height:1.55;font-family:var(--sans)}.field{margin-bottom:14px}.field 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0;border:none;flex:1;padding:0;font-size:13px;overflow:hidden}.file-name:hover{color:var(--clay);text-decoration:underline}.file-size{font-size:11px;font-family:var(--mono);white-space:nowrap}.card{background:var(--panel);border:1px solid var(--border-strong);border-radius:var(--radius);color:var(--text);justify-content:space-between;align-items:center;margin-bottom:12px;padding:18px 20px;transition:border-color .18s,transform 60ms;display:flex}.card:hover{border-color:var(--terracotta)}.card strong{font-family:var(--serif);letter-spacing:-.01em;font-size:19px;font-weight:500}.canvas-wrap{background:var(--bg);position:absolute;inset:53px 0 0}.tm-node{background:var(--panel);border:1px solid var(--border-strong);border-left:4px solid var(--status,var(--faint));border-radius:var(--radius);width:220px;color:var(--text);padding:11px 13px;box-shadow:0 1px 2px #2322200f}.tm-node.selected{outline:2px solid var(--terracotta);outline-offset:1px}.tm-node 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2px 6px #23222014}.tm-root .overline{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--terracotta);font-size:10px}.tm-root .title{font-family:var(--serif);letter-spacing:-.01em;margin-top:2px;font-size:18px;font-weight:500}.panel{background:var(--panel);border-left:1px solid var(--border-strong);z-index:10;width:360px;padding:20px;position:absolute;top:53px;bottom:0;right:0;overflow-y:auto}.panel h2{font-family:var(--serif);letter-spacing:-.01em;margin:0 0 12px;font-size:20px;font-weight:500}.save-status{font-family:var(--mono);letter-spacing:.04em;color:var(--muted);align-items:center;gap:6px;font-size:11px;display:inline-flex}.save-status.ok{color:var(--leaf-deep)}.save-status.err{color:var(--clay)}.spinner{border:2px solid var(--border);border-top-color:var(--terracotta);border-radius:50%;width:12px;height:12px;animation:.6s linear infinite spin}@keyframes 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