.menu-right {
  position: fixed;
  top: 50%;
  right: 0;
  width: 40px;
  height: 90%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  border-radius: 16px 0 0 16px;
  background: rgba(255,140,0,0.09);
  border: 1px solid #ff8c00;
  color: #ffae42;
  text-align: center;
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: width 0.35s ease;
  backdrop-filter: blur(6px);
  box-shadow: 0 0 15px rgba(255,140,0,0.2);
}

.menu-right:hover { width: 220px; }