.content label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
}

.content select {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin-bottom: 15px;
}

/* BUTTONS */
.btns {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.app {
  padding: 12px 20px;
  border: none;
  background: linear-gradient(135deg, #0a3d62, #07517d);
  color: #fff;
  border-radius: 4px;
  cursor: pointer;
}

/* RESULT */
.result-box {
  margin-top: 20px;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  background: #fafafa;
  text-align: center;
}

.result-text {
  font-size: 28px;
  font-weight: bold;
}