/* -------- Tab Button --------*/
    .side-tab {
      position: fixed;
      top: 50%;
      right: 0;
      transform: translateY(-50%);
      background: #333;
      color: white;
      padding: 4px 4px;
      border-radius: 8px 0 0 8px;
      cursor: pointer;
      z-index: 1000;
      height: 80px;
      display: flex;
      align-items: center;
      justify-content: center; /* for horizontal centering too */
    }

    /* Tray Panel */
    .side-tray {
      position: fixed;
      top: 0;
      right: -290px; /* hidden off-screen */
      width: 250px;
      height: 100%;
      background: #f4f4f4;
      box-shadow: -2px 0 5px rgba(0,0,0,0.2);
      transition: right 0.3s ease;
      z-index: 999;
      padding: 20px;
    }

    /* Open State */
    .side-tray.open {
      right: 0;
    }

    /* Menu Items */
    .menu-item {
      padding: 10px;
      margin: 10px 0;
      background: #ddd;
      border-radius: 4px;
      cursor: pointer;
      text-align: center;
    }

    .menu-item:hover {
      background: #ccc;
    }
    /* -------- End Tab Button --------*/