* {
    margin: 0;
    padding: 0;
    font-family: "sans";
    user-select: none;
}




.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: darkblue;

}

h2 {
    color: white;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 20px;

}


.input-box {
    width: 400px;
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    border-radius: 20px;
    backdrop-filter: blur(20px);
    padding: 20px;

}

.input-box input[type="text"],
.input-box input[type="number"],
.input-box input[type="checkbox"] {
    width: calc(100% - 20px);
    height: 40px;
    margin-bottom: 10px;
    padding: 5px;
    font-size: 1rem;
    border-radius: 5px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    outline: none;

}

.input-box input[type="number"]::-webkit-inner-spin-button,
.input-box input[type="number"]::-webkit-outer-spin-button {
  appearance: none;
  margin: 0;
}


.input-box label {
  color:white;
  font-size: 1rem;
  display: block;
  margin-bottom: 5px; 
}

.input-box input[type="checkbox"] {
  display: inline-block;
  width: auto;
  margin: 0 5px 0 0;
  vertical-align: middle;
}

#btn {
  cursor: pointer;
  color: #fff;
  background: #333;
  font-size: 1rem;
  padding: 10px 20px;
  border-radius: 5px;
  transition: background 0.3s ease;
  text-align: center;
  margin-top: 20px;
}

#btn:hover {
  background: red;
}