:root{
--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%);
--Green-400: hsl(172, 67%, 45%);

}
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
@font-face {
    font-family:'Space Mono';
    src: url(images/SpaceMono-Regular.woff2) format('woff2'),
         url(images/SpaceMono-Regular.woff) format('woff'),
         url(images/SpaceMono-Regular.ttf) format('truetype');
    src: url(images/SpaceMono-Regular.ttf) format('truetype');
    font-weight: normal;
}
body{
    background: var(--Grey-200);
    font-family: 'SAPCE MONO', monospace;
}
label{
    font-size: 0.8rem;
    color: var(--Grey-500);
    font-weight: 900;
}

.program_container{
    background-color: var(--White);
    padding: 20px;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    margin-top: 30px;

}
header{
    width: 100%;
    text-align: center;
    margin-top: 35px;
    font-size: 1.2rem;
    font-weight:normal ;
    color: var(--Grey-500);
    letter-spacing: 6px;
    font-family: 'Space Mono ', monospace;
}

.input_div-text{
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--Grey-200);
    padding: 5px 8px;
    border-radius: 5px;
   margin-bottom: 30px;
   margin-top: 10px;
   transition: 300ms ease all;



    input{
        width: 80%;
        background: transparent;
        outline: none;
        border: none;
        text-align: end;
        font-family: 'Space Mono', monospace;
        font-size: 1.5rem;
        font-weight: 900;
        color: var(--Green-900);
        
    }
}

.error_state{
    border: 3px solid tomato;
    background-color: rgba(234, 95, 70, 0.209);
}


.button_div{
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 10px;
    margin-bottom: 10px;
  
    button{
        background-color: var(--Green-900);
        color: var(--White);
        border: none;
        border-radius: 5px;
        font-size: 1.2rem;
        font-weight: 900;
        cursor: pointer;
        transition: all 200ms ease;
    }
   button,input{
    width: 100%;
    margin: 0 auto;
    padding: 10px 0;
   }
   input{
    background-color: var(--Grey-200);
    border: none;
    text-align: end;
    padding-right: 10px;
    color: var(--Green-900);
    font-size: 1.2rem;
    font-weight: 500;
    border-radius:5px ;
    color: var(--Green-900);
    
   }
   button.active{
    background: var(--Green-400);
    color: var(--Green-900);
   }

}
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
}

.display_section{
    background: var(--Green-900);
    padding: 20px;
    border-radius: 15px;

    button{
        width: 100%;
        padding: 15px;
        /* margin: 5px 0; */
        border-radius:5px ;
        background: var(--Green-400);
        border: none;
        font-weight: 600;
        cursor: pointer;
    }
    button.active{
        background:rgb(94, 122, 125,0.3);;
        color: rgb(60, 60, 60);
    }
   
}

.tip_total_div,.tip_amount_div{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;

    .text{
        font-size: 0.9rem;
        color: var(--White);
        margin-bottom: 5px;
    }
    .person{
        color: var(--Grey-400);
        font-size: 0.8rem;
    }
    span{
        font-weight: 900;
        font-size: 1.5rem;
        color: var(--Green-400);
    }

}

@media screen and (min-width:700px) {
    .program_container{
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        max-width: 65%;
        max-height: 20%;
        margin: 0 auto;
        border-radius: 20px;
        /* align-items: center; */
        margin: 50px;
    }
    main{
        display: flex;
        flex-direction: column;
        gap: 10px;
        min-height: 100vh;
        justify-content: center;
        align-items: center;
        
    }
    .tips_wrap{
        flex-grow: 1;
    }
    .display_section{
        display: flex;
        flex-direction: column;
    }
    .tip_amount_div{
        margin-bottom: 55px;
    }
    .tip_amount_div span, .tip_total_div span{
        font-size: 2.5rem;
    }
    .input_div-text{
        padding:  5px 10px;
    }
    .button_div{
        grid-template-columns: repeat(3,1fr);
        margin-bottom: 20px;
    }
    label{
        font-size: 1.2rem;
    }
    .tip_amount_div .person, .tip_total_div .person{
        font-size: 1.2rem;
    }
    .tip_amount_div .text, .tip_total_div .text{
        font-size: 1.3rem;
    }
    header h4{
        font-size: 1.8rem;
    }
}