* {
   margin: 0;
   padding: 0;
   box-sizing: border-box;
}
body {
   font-family: Arial, sans-serif;
   background-color: #f4f4f9;
   display: flex;
   justify-content: center;
   align-items: center;
   height: 100vh;
   margin: 0;
}
.input-group {
   margin-bottom: 20px;
}
.input-group label {
    font-size: 16px; 
    color: #555;
    margin-bottom: 5px;
    cursor: pointer;
    user-select: none;
}

.input-group input {
   width: 100%;
   padding: 12px;
   font-size: 16px;
   border: 1px solid #ccc;
   border-radius: 5px;
   background-color: #f9f9f9;
   transition: border-color 0.3s ease;
}
.input-group input:focus {
   border-color: #4caf50;
   outline: none;
   background-color: #fff;
}
.input-group input[type="submit"] {
   background-color: #4caf50;
   color: white;
   border: none;
   cursor: pointer;
   font-size: 16px;
   padding: 12px;
   border-radius: 5px;
   transition: background-color 0.3s ease;
}
.input-group input[type="submit"]:hover {
   background-color: #45a049;
}
.input-group input[type="submit"]:active {
   background-color: #3e8e41;
}
.checkbox-group {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    margin-top: -10px;
    cursor: pointer;
}
.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
}

.error-warning {
   color: orangered;
}