.age-overlay {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: #0a0d14;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', system-ui, sans-serif;
}
.age-overlay.is-hidden {
  display: none;
}
.age-card {
  background: #161b25;
  padding: 2.5rem 2rem;
  border-radius: 16px;
  text-align: center;
  max-width: 420px;
  width: 90%;
  color: #f8f9fa;
  border: 1px solid #1c2230;
  box-shadow: 0 0 60px rgba(0,0,0,0.5);
}
.age-card .icon {
  font-size: 3rem;
  font-weight: 900;
  color: #ffb02e;
  margin-bottom: 0.5rem;
  line-height: 1;
}
.age-card h2 {
  font-size: 1.5rem;
  margin: 0 0 0.5rem;
  font-family: 'Syne', sans-serif;
}
.age-card p {
  color: #999;
  margin: 0 0 1.5rem;
  line-height: 1.5;
  font-size: 0.95rem;
}
.age-card .question {
  color: #f8f9fa;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding: 1rem;
  background: #1c2230;
  border-radius: 8px;
  font-family: 'Space Grotesk', sans-serif;
}
.age-card input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid #2a3340;
  background: #0e121a;
  color: #f8f9fa;
  font-size: 1.1rem;
  text-align: center;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
  font-family: 'Space Grotesk', sans-serif;
}
.age-card input:focus {
  border-color: #ffb02e;
}
.age-card input.is-error {
  border-color: #ff4444;
  animation: shake 0.3s ease;
}
@keyframes shake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}
.age-card .btn-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}
.age-card .btn {
  flex: 1;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid #2a3340;
  background: #1c2230;
  color: #f8f9fa;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Space Grotesk', sans-serif;
}
.age-card .btn-primary {
  background: #ffb02e;
  color: #000;
  border-color: #ffb02e;
}
.age-card .btn-primary:hover {
  background: #ffc25c;
}
.age-card .btn:hover {
  background: #2a3340;
}
.age-card .error-msg {
  color: #ff6b6b;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  min-height: 1.2em;
}
@media (max-width: 480px) {
  .age-card { padding: 1.5rem; }
  .age-card h2 { font-size: 1.2rem; }
}