/* ── User menu ───────────────────────────────────────────────────────────── */
  .user-menu { position:relative; margin-left:auto; z-index:2000; }
  .user-menu-btn { background:var(--border-subtle); border:1px solid var(--border);
    border-radius:8px; padding:6px 12px; cursor:pointer; font-size:12px;
    color:inherit; font-family:inherit; display:flex; align-items:center; gap:6px; }
  .user-menu-btn:hover { background:var(--border-strong); }
  .user-dropdown { display:none; position:absolute; right:0; top:calc(100% + 6px);
    background:var(--bg-raised); border:1px solid var(--border); border-radius:10px;
    min-width:180px; z-index:9000; overflow:hidden; box-shadow:0 8px 24px var(--bg-overlay); }
  .user-dropdown.open { display:block; }
  .user-dropdown-item { padding:10px 14px; font-size:13px; cursor:pointer; }
  .user-dropdown-item:hover { background:var(--border-subtle); }
  .user-dropdown-divider { border-top:1px solid var(--border); }