.proto-portal-btn {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 99999;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding: 0 14px;
  border-radius: 4px;
  border: 1px solid #0d7377;
  background: #fff;
  color: #0d7377;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
}

.proto-portal-btn:hover {
  background: #0d7377;
  color: #fff;
}

.proto-portal-btn--navbar {
  position: static;
  top: auto;
  right: auto;
  z-index: auto;
  height: 30px;
  padding: 0 12px;
  font-size: 12px;
  box-shadow: none;
  flex-shrink: 0;
}

@media (max-width: 480px) {
  .proto-portal-btn {
    top: 8px;
    right: 8px;
    height: 28px;
    padding: 0 10px;
    font-size: 12px;
  }
}