#age-popup {
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 1em;
  box-sizing: border-box;
}
.age-popup-content {
  background: white;
  padding: 1.2em;
  border-radius: 10px;
  text-align: center;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 0 10px rgba(0,0,0,0.6);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.age-popup-content img {
  max-width: 100%;
  max-height: 60px;
  height: auto;
  margin-bottom: 0.7em;
}
.age-popup-content h2 {
  font-size: 1.2em;
  margin: 0.4em 0 0.3em;
}
.age-popup-content p {
  font-size: 0.95em;
  margin-bottom: 0.8em;
}
#btn-yes, #btn-no {
  margin: 0.4em 0;
  padding: 0.6em 1.2em;
  font-size: 0.95em;
  cursor: pointer;
  border: none;
  border-radius: 5px;
  width: 100%;
  max-width: 220px;
}
#btn-yes {
  background-color: #4CAF50;
  color: white;
}
#btn-no {
  background-color: #f44336;
  color: white;
}
.denied-message {
  color: red;
  font-weight: bold;
  margin-top: 0.6em;
  display: none;
  font-size: 0.9em;
}
@media (max-width: 480px) {
  .age-popup-content {
    padding: 1em;
  }
  .age-popup-content h2 {
    font-size: 1.1em;
  }
  .age-popup-content p, .denied-message {
    font-size: 0.9em;
  }
  #btn-yes, #btn-no {
    font-size: 0.9em;
    padding: 0.6em 1em;
  }
}