:root {
  --vcb-green: #00703c;
  --vcb-light-green: #8cc63f;
}

body {
  margin: 0;
  padding: 0;
  background: linear-gradient(145deg, #e6f2ea, #ffffff);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: white;
  border-radius: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  padding: 32px 24px;
  text-align: center;
  width: 90%;
  max-width: 380px;
  animation: fadeIn 0.8s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -60%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

.popup img.logo {
  width: 128px;
  margin-bottom: 16px;
}

.popup h2 {
  font-size: 18px;
  color: #333;
  margin-bottom: 20px;
}

.popup button {
  background: var(--vcb-green);
  color: white;
  padding: 12px 28px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
  box-shadow: 0 4px 10px rgba(0, 112, 60, 0.3);
}

.popup button:hover {
  background: var(--vcb-light-green);
  transform: scale(1.03);
}

.popup .footer {
  margin-top: 20px;
  font-size: 13px;
  color: #888;
}