body {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  min-height: 100vh;
  background-color: #f0f4f8;
  padding: 1rem;
}

.cont {
  background-color: #ffffff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  width: 100%;
  max-width: 400px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

h1 {
  color: #111827;
  font-weight: 600;
  font-size: 1.5rem;
  text-align: center;
  margin: 0;
}

#input {
  background-color: #f9fafb;
  border: 1px solid #6366f1;
  color: #1e293b;
  border-radius: 8px;
  padding: 0.5rem;
  width: 100%;
  text-align: center;
  font-size: 1rem;
}

#input::placeholder {
  color: #9ca3af;
  font-size: 0.9rem;
}

button {
  background-color: #6366f1;
  color: #ffffff;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border: none;
  cursor: pointer;
}

#qr {
  height: auto;
  width: 100%;
  max-width: 200px;
  aspect-ratio: 1 / 1;
  background-color: #fef3c7;
  border: 1px solid #f59e0b;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.2);
  border-radius: 8px;
}

#download {
  font-size: 0.9rem;
}

/* RESPONSIVE */
@media (max-width: 600px) {
  .cont {
    padding: 1.5rem;
  }

  #input {
    font-size: 0.9rem;
  }

  button {
    font-size: 0.8rem;
    padding: 0.4rem 0.8rem;
  }
}