body {
  background: #f7f7f7;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  text-align: center;
}

h1 {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 16px;
}

.subtitle {
  font-size: 1.3rem;
  margin-bottom: 32px;
  color: #222;
}

.image-area {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 50px;
  margin-bottom: 50px;
  position: relative;
  min-height: 350px;
}

.image {
  width: 75%;
  min-width: 1000px;
  border-radius: 15px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.arrow-image {
  transform: translateY(25px);
}

.jwt-button-container{
  transform: translateY(-50px);
}

.jwt-btn {
  background: #007bff;
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 32px;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: background 0.2s, box-shadow 0.2s;
  margin-bottom: 32px;
}

.jwt-btn:hover {
  background: #0056b3;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.jwt-btn:active {
  background: #003d80;
  box-shadow: 0 1px 3px rgba(0,0,0,0.18);
  transform: scale(0.97);
}

@media (max-width: 600px) {
  .jwt-btn {
    font-size: 1rem;
    padding: 0.75em 1em;
    min-width: 80px;
  }
}

.popup-overlay {
    display: none; /* hidden by default */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
}

/* Popup box */
.popup-content {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    min-width: 300px;
    text-align: center;
}

.popup-content button {
    margin-top: 15px;
    padding: 8px 16px;
    border: none;
    background: #007BFF;
    color: #fff;
    border-radius: 6px;
    cursor: pointer;
}

.popup-content button:hover {
    background: #0056b3;
}