#authOverlay { position:fixed; inset:0; z-index:9999; display:block; }
    #authOverlay.tt-hidden { display:none !important; }
    #appRoot { display:none; }
    #appRoot.tt-visible { display:block; }
    .user-dropdown { position: relative; }
    .user-badge {
      display: none; align-items: center; gap: 8px;
      background: var(--surface2); border: 1px solid var(--border);
      border-radius: 8px; padding: 5px 12px; font-size: 11px;
      color: var(--text2); cursor: pointer; transition: all .15s; flex-shrink: 0;
      font-family: var(--title); letter-spacing: 0.3px;
    }
    .user-badge:hover { border-color: var(--border2); color: var(--text); }
    .user-badge .user-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); flex-shrink: 0; }
    .user-caret { color: var(--text3); font-size: 9px; }
    .user-dropdown-menu {
      display: none;
      position: absolute; top: calc(100% + 6px); right: 0;
      background: var(--surface2); border: 1px solid var(--border2);
      border-radius: 10px; padding: 6px; z-index: 300;
      min-width: 180px;
      box-shadow: 0 8px 28px rgba(0,0,0,0.3);
    }
    .user-dropdown-menu.open { display: flex; flex-direction: column; gap: 2px; }
    .user-dropdown-header {
      display: flex; align-items: center; gap: 8px;
      padding: 8px 10px 6px; font-size: 11px; font-weight: 600;
      color: var(--text2); font-family: var(--title);
    }
    .user-dropdown-header .user-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); flex-shrink: 0; }
    .user-dropdown-email { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 140px; }
    .user-dropdown-divider { height: 1px; background: var(--border); margin: 4px 0; }
    .user-menu-item {
      display: block; width: 100%; text-align: left;
      padding: 8px 12px; border-radius: 6px; border: none;
      background: transparent; cursor: pointer;
      font-family: var(--title); font-size: 11px; font-weight: 500;
      color: var(--text2); letter-spacing: 0.3px;
      transition: all 0.12s;
    }
    .user-menu-item:hover { color: var(--text); background: var(--surface3); }
    .user-menu-signout { color: var(--red) !important; }
    .user-menu-signout:hover { background: var(--red-dim) !important; }