@import url('https://fonts.googleapis.com/css2?family=Libre+Franklin:ital,wght@0,100..900;1,100..900&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&family=Roboto+Mono:ital,wght@0,100..700;1,100..700&family=Space+Mono:ital,wght@0,400;0,700;1,400;1,700&display=swap');
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
:root{
    --green-400: hsl(172, 67%, 45%);
    --green-900: hsl(183, 100%, 15%);
    --grey-500: hsl(186, 14%, 43%);
    --grey-400: hsl(184, 14%, 56%);
    --grey-200: hsl(185, 41%, 84%);
    --grey-50: hsl(189, 47%, 97%);
    --white: hsl(0, 100%, 100%);
}
html{
    font-family: "Space Mono", monospace;
}
body{
    font-size: 16px;
    /* font-family: "Space Mono", monospace; */
    background-color: var(--grey-200);
    /* padding-top: 9.125rem; */
}
img{
    max-width: 100%;
}
.header{
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    margin: 0 auto;
    height: 145px;
}
h1{
    font-size: 1.5rem;
    letter-spacing: 10px;
    font-weight: 700;
    color: var(--green-900);
}
input{
    font-size: 1.5rem;
}
.bill-text, .p-text, .people-text{
    color: var(--grey-500);
    font-weight: 700;
}
.container{
    background-color: var(--white);
    border-radius: 25px 25px 0px 0px;
    /* padding: 1rem; */
}
.bill-header{
    display: flex;
    flex-direction: column;
}
.bill-cal{
    padding: 2.375rem 2.375rem 0;
}
.bill-cal .bill-text{
    margin-bottom: 0.5rem;
}
.bill-cal #bill-input{
    font-family: "Space Mono", monospace;
    font-weight: 700;
    height: 2.75rem;
    text-align: right;
    color: var(--green-900);
    border-radius: 5px;
    border: none;
    background-color: var(--grey-50);
    padding: 0 1rem;
    margin-bottom: 2.25rem;
    position: relative;
    outline-color: var(--green-400);
}

.bill-cal img {
    position: absolute;
    margin-top: 42px;
    margin-left: 1rem;
    z-index: 1;
}
.bill-tip .p-text{
    margin-bottom: 1rem;
}
.bill-tip .tip-btns{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    /* flex-direction: column; */
    /* margin-bottom: 1rem; */
}
.bill-tip .tip-btns .prec{
    width: 8.5rem;
    height: 3rem;
    margin-right: 1rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    background-color: var(--green-900);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-family: "Space Mono", monospace;
}
/* .bill-tip .tip-btns .prec:hover{
    background-color: var(--green-400);
    color: var(--green-900);
} */
.bill-tip .tip-btns #bill-custom{
    font-family: "Space Mono", monospace;
    text-align: right;
    margin-right: 0;
    width: 8.5rem;
    height: 3rem;
    margin-bottom: 1rem;
    padding-right: 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--green-900);
    background-color: var(--grey-50);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    outline-color: var(--green-400);
}

.bill-tip .tip-btns .prec:nth-child(even){
    margin-right: 0;
}
.nop-text{
    display: flex;
    justify-content: space-between;
    font-weight: 700;
}
.error-text{
    display: none;
}
.people-div{
    margin-top: 0.5rem;
    display: flex;
    justify-content: start;
    align-items: center;
    text-align: center;
}

.people-div #tip-people{
    font-family: "Space Mono", monospace;
    font-weight: 700;
    height: 2.75rem;
    width: 100%;
    text-align: right;
    color: var(--green-900);
    border-radius: 5px;
    border: 0px solid;
    background-color: var(--grey-50);
    padding: 0 1rem;
    position: relative;
    outline-color: var(--green-400);
}
.people-div img{
    margin-top: 0;
}
.bill-output{
    padding: 2rem 1.5rem;
}
.bill-output .tip{
    background-color: var(--green-900);
    border-radius: 15px;
    padding: 3rem 1.5rem 1.5rem;
}
.bill-output .tip .tip-amount, .tip-total{
    font-size: 2rem;
    font-weight: 700;
    color: var(--green-400);
    display: flex;
    justify-content: space-between;
    margin-bottom: 2rem;
}
.bill-output .tip .p-text{
    font-size: 1rem;
    color: var(--white);
}
.bill-output .tip .p-text-2{
    font-size: 0.8rem;
    color: var(--grey-400);
    font-weight: 700;
}
.bill-output .tip .reset-btn{
    font-family: "Space Mono", monospace;
    width: 100%;
    background-color: var(--green-400);
    color: var(--green-900);
    text-transform: uppercase;
    text-align: center;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 5px;
    padding: 0.8rem;
    border: none;
    cursor: pointer;
}
.disabled{
    cursor: not-allowed;
    opacity: 0.2;
}
.error{
    display: block;
    color: red;
    opacity: 0.5;
}
.bill-tip .tip-btns .prec.active-btn{
    background-color: var(--green-400);
    color: var(--green-900);

}
@media (min-width: 500px){
    body{
        display: flex;
        justify-content: center;
        align-items: center;
        margin: 0 auto;
        flex-direction: column;
    }
    .bill-tip .tip-btns .prec{
        margin-right: 1rem;
    }
      .bill-tip .tip-btns .prec:nth-child(5){
        margin-right: 0;
    }
      .bill-tip .tip-btns .prec:nth-child(odd){
        margin-right: 0;
    }
     .bill-tip .tip-btns #bill-custom{
        margin-right: 0;
     }
}
@media (min-width: 800px){
    .container{
        width: 700px;
        display: flex;
    }
    .header{
        height: 0;
    }
    .bill-cal{
        width: 50%;
        padding-bottom: 2rem;
        height: 50%;
    }
    .bill-output{
        width: 85%;
    } 
    .bill-tip .tip-btns .prec, #bill-custom{
        width: 5.2rem;
        height: 2.125rem;
    }
}
@media (min-width: 1000px){
    .container{
        display: flex;
        width: 925px;
        /* height: 485px; */
        border-radius: 25px;
    }
    .header{
        margin-bottom: 5.375rem;
        margin-top: 10.125rem;
        font-size: 1.5rem;
        height: 0;
    }
    .bill-cal{
        width: 475px;
        padding: 3rem;
    }
    .bill-cal #bill-input{
        margin-bottom: 2.8125rem;
    }
    .bill-tip .tip-btns .prec{
        width: 7.2rem;
        height: 3.125rem;
        margin: 0 1rem 1rem 0;
    }
    
    .bill-tip .tip-btns .prec:nth-child(3){
        margin-right: 0;
    }
    .bill-tip .tip-btns .prec:nth-child(even){
        margin-right: 1rem;
    }
    .bill-tip .tip-btns .prec:nth-last-child(-n + 3){
        margin-bottom: 3rem;
    }
    .bill-tip .tip-btns #bill-custom{
        width: 7.2rem;
        height: 3.125rem;
        margin-bottom: 3rem;
    }
    .people-div{
        margin-top: 0.75rem;
    }
    /* output */
    .bill-output{
        width: 448px;
        padding: 2rem 2rem 2rem 0rem;
    }
    .bill-output .tip{
        padding: 3.625rem 2.375rem 2.5rem 2.375rem;
    }
    .bill-output .tip .tip-amount{
        height: 43px;
        margin-bottom: 3.625rem;
    }
    .bill-output .tip .tip-total{
        height: 43px;
        margin-bottom: 9rem;
    }
     .bill-output .tip .output-tip, .output-total{
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 3rem;
     }
}