@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
  display: flex;
  justify-content: center;
  align-items: center;
  color: #ffffff;
}

h1 {
  text-align: center;
  margin-bottom: 25px;
  font-weight: 600;
  letter-spacing: 1px;
}

/* Main Card */
.box {
  width: 420px;
  padding: 35px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(15px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  animation: fadeIn 0.6s ease-in-out;
}

/* Inputs */
input,
select {
  width: 100%;
  padding: 14px;
  margin: 12px 0;
  border-radius: 10px;
  border: none;
  outline: none;
  font-size: 15px;
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

input::placeholder {
  color: #d1d5db;
}

select option {
  color: black;
}

/* Button */
button {
  width: 100%;
  margin-top: 15px;
  padding: 14px;
  border-radius: 12px;
  border: none;
  font-size: 16px;
  font-weight: 600;
  background: linear-gradient(135deg, #38bdf8, #2563eb);
  color: white;
  cursor: pointer;
  transition: 0.3s ease;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(56, 189, 248, 0.4);
}

/* Output */
#output {
  margin-top: 25px;
  padding: 15px;
  border-radius: 10px;
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  font-size: 16px;
  text-align: center;
  word-break: break-word;
}

/* Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Responsive */
@media (max-width: 480px) {
  .box {
    width: 90%;
    padding: 25px;
  }
}