body {
  margin: 0;
  font-family: Poppins, Arial, sans-serif;
  background: #000;
  color: #fff;
  padding: 20px;
}

h1 {
  text-align: center;
  color: orange;
  font-size: 2.4rem;
  margin-bottom: 30px;
}

.card {
  max-width: 420px;
  margin: 0 auto 30px;
  background: #111;
  border-radius: 18px;
  padding: 25px;
  box-shadow: 0 0 20px rgba(255,165,0,0.25);
  animation: fadeUp 1.2s ease;
}

.card h2 {
  text-align: center;
  color: #ffb347;
  margin-bottom: 15px;
}

.detail {
  background: #000;
  border: 1px solid #222;
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.copy-btn {
  background: orange;
  color: #000;
  border: none;
  padding: 6px 12px;
  border-radius: 20px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.8rem;
}

.copy-btn:hover {
  background: #ffb347;
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 20px;
}

.btn {
  padding: 14px;
  border-radius: 30px;
  background: orange;
  color: #000;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: 0.3s;
}

.btn:hover {
  transform: scale(1.05);
  background: #ffb347;
}

.notice {
  max-width: 420px;
  margin: 30px auto;
  background: #111;
  border-left: 4px solid orange;
  padding: 20px;
  border-radius: 12px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.notice h3 {
  color: orange;
  margin-bottom: 10px;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}