:root{--bg:#f8fafc;--fg:#172033;--muted:#64748b;--line:#cbd5e1;--accent:#4338ca;--danger:#dc2626}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.4 system-ui,-apple-system,sans-serif}header{background:var(--accent);color:#fff;padding:12px 18px}h1{margin:0;font-size:18px}nav{display:flex;gap:6px;padding:10px 18px;border-bottom:1px solid var(--line);flex-wrap:wrap;background:#fff}nav button{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 12px;cursor:pointer}nav button.active{background:var(--accent);color:#fff;border-color:var(--accent)}main{padding:18px;max-width:1100px}h2{font-size:16px;margin:18px 0 8px}.muted{color:var(--muted)}code{background:#eef2ff;padding:2px 6px;border-radius:4px;font-size:13px}table{width:100%;border-collapse:collapse;background:#fff;margin:8px 0}th,td{padding:8px 10px;border:1px solid var(--line);text-align:left}th{background:#f1f5f9;font-size:12px;text-transform:uppercase;color:var(--muted)}.addform{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0;align-items:center}input,select,textarea{padding:8px;border:1px solid var(--line);border-radius:6px;font:inherit;background:#fff}textarea{width:100%;font-family:ui-monospace,monospace;font-size:13px}button.primary{background:var(--accent);color:#fff;border:none;border-radius:6px;padding:8px 14px;cursor:pointer}button.mini{padding:5px 9px;font-size:13px}button.del{background:#fff;color:var(--danger);border:1px solid var(--line);border-radius:6px;padding:2px 8px;cursor:pointer;line-height:1.3}button.del:hover{background:var(--danger);color:#fff;border-color:var(--danger)}.tree{list-style:none;margin:0;padding:0}.tree .tree{margin:0}.node{display:flex;align-items:center;gap:8px;padding:4px 6px;border-radius:6px}.node:hover{background:#eef2ff}.tw{cursor:pointer;width:16px;display:inline-block;text-align:center;color:var(--accent);-webkit-user-select:none;user-select:none}.tw.leaf{cursor:default;color:var(--line)}.ntype{font-size:11px;text-transform:uppercase;color:var(--muted);min-width:64px}.nname{font-weight:600}.childbox{border-left:1px dashed var(--line);margin-left:8px}.childbox .addform{margin:6px 0}.iflist{display:flex;flex-direction:column;gap:10px}.ifcard{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px}.ifhead{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.tag{background:#eef2ff;color:var(--accent);border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600}.switch{display:flex;align-items:center;gap:6px;margin-left:auto;font-size:13px;color:var(--muted)}details summary{cursor:pointer;color:var(--accent);margin-top:8px;font-size:13px}details textarea{margin-top:8px}