body {
  font-family: Arial;
  background: #f4f6f8;
  margin: 0;
  text-align: center;
}

/* CONTAINER */
.container {
  background: white;
  max-width: 400px;
  margin: 60px auto;
  padding: 25px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* INPUTS */
.full-input {
  width: 100%;
  padding: 12px;
  margin-top: 15px;
  border-radius: 8px;
  border: 1px solid #ccc;
}

/* AMOUNT + CURRENCY */
.amount-group {
  display: flex;
  margin-top: 15px;
}

/* AMOUNT */
.amount-box {
  flex: 1;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px 0 0 8px;
}

/* CURRENCY */
.currency-box {
  width: 90px;
  border: 1px solid #ccc;
  border-left: none;
  border-radius: 0 20px 20px 0; /* oval shape */
}

/* BUTTON */
.check-btn {
  width: 100%;
  margin-top: 20px;
  padding: 12px;
  background: #0070ba;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

.check-btn:hover {
  background: #005ea6;
}

/* DISCLAIMER */
.disclaimer {
  margin-top: 15px;
  font-size: 13px;
  color: #555;
}

/* MODAL BACKGROUND */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
}

/* MODAL BOX */
.modal-content {
  background: white;
  padding: 25px;
  border-radius: 15px;
  width: 280px;
  text-align: center;
  animation: popIn 0.3s ease;
}

/* CLOSE BUTTON */
.close {
  position: absolute;
  right: 15px;
  top: 10px;
  cursor: pointer;
}

/* ANIMATION */
@keyframes popIn {
  from {
    transform: scale(0.7);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

/* MOBILE */
@media (max-width: 600px) {

  .container {
    width: 90%;
    margin: 30px auto;
  }

  .amount-group {
    flex-direction: column;
  }

  .amount-box,
  .currency-box {
    width: 100%;
    border-radius: 8px;
    border: 1px solid #ccc;
  }

}