@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

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

body{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100vh;
    background-color: #18181b;
}

#container{
    display: flex;
    align-items: center;
    gap: 3.5rem;
}

#img img{
    width: 31rem;
}

#calculator{
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 2rem;
    color: #f8fafc;
    background-color: #262626;
    border-radius: 8px;
}

#form{
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

#title{
    font-size: 2.25rem;
    position: relative;
}

#title::after{
    position: absolute;
    content: '';
    background-color: #16a34a;
    width: 8rem;
    height: 3px;
    bottom: 0;
    left: 0;
    border-radius: 3px;
}

.input-box label{
    font-size: 1.1rem;
    color: #cbd5e1;
    font-weight: 500;
}

.input-field{
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #3f3f46;
    padding: 0.3rem;
    border-radius: 3px;
    margin-top: 3px;
}

.input-field span,
.input-field i{
    color: #cbd5e1;
    font-size: 1.3rem;
    padding: 0.6rem 1rem;
}

.input-field input{
    background-color: transparent;
    border: none;
    width: 100%;
    font-size: 1.3rem;
    color: #f8fafc;
    padding: 0 0.5rem;
}

.input-field input::-webkit-outer-spin-button,
.input-field input::-webkit-inner-spin-button{
    appearance: none;
}

.input-field input:focus{
    outline: none;
}

#calculate{
    border: none;
    font-size: 1.25rem;
    font-weight: bold;
    background-color: #16a34a;
    color: #f8fafc;
    padding: 0.5rem 0;
    border-radius: 3px;
    cursor: pointer;
}

#result{
    display: flex;
    gap: 2rem;
    align-items: center;
    border-top: 1px solid #ffffff34;
    padding: 0.75rem 0;

}

#bmi{
    display: flex;
    align-items: center;
    flex-direction: column;
    font-size: 2.25rem;
}

#bmi span:last-child{
    font-size: 0.875rem;
    color: #cbd5e1;
}

#description{
    width: 15.5rem;
}

#more-info{
    border-top: 1x solid #ffffff34;
    padding-top: 1.5rem;
}

#more-info a{
    color: #16a34a;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 0.5s;
}

#more-info a:hover{
    color: #cbd5e1;
}

.hidden {
    display: none;
}

.normal{
    color: #16a34a;
}

.attention{
    color: #dc2626;
}

@media screen and (max-width: 64em) {
    #img{
        display: none;
    }
}

@media screen and (max-width: 31.25em) {
    #container{
        width: 100%;
        height: 100%;
    }

    #calculator{
        width: 100%;
        height: 100%;
        border-radius: 0;
        justify-content: center;
    }
}