@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,200..800;1,200..800&display=swap');

:root{
    /*=============== COLOR ===============*/
    --Primary-lime-color: hsl(61, 70%, 52%);
    --Secondnary-red-color: hsl(4, 69%, 50%);

    /*=============== NEUTRAL COLOR ===============*/
    --White-color: hsl(0, 0%, 100%);
    --Slate-color-100: hsl(202, 86%, 94%);
    --Slate-color-300: hsl(203, 41%, 72%);
    --Slate-color-500: hsl(200, 26%, 54%);
    --Slate-color-700: hsl(200, 24%, 40%);
    --Slate-color-900: hsl(202, 55%, 16%);

    /*=============== TYPOGRAPHY FONT ===============*/
    --Font-main-size: 16px; 
}

*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: "Plus Jakarta Sans", sans-serif;
}

body{
    background: linear-gradient(135deg, #e3f2fd 0%, #f8f9fa 100%);
    min-height: 100vh;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.calculator__container{
    display: flex;
    max-width: 1100px;
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    background: var(--Slate-color-100);
}

.form__section{
    flex: 1;
    padding: 40px;
    background: var(--Slate-color-100);
}

.results__section{
    flex: 1;
    background: var(--Slate-color-900);
    color: var(--White-color);
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-bottom-left-radius: 74px;
}

.header{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}
.header h1{
    font-size: 28px;
    font-weight: 600;
    color: var(--Slate-color-900);
}
.clear__btn{
    background: none;
    border: none;
    color: var(--Slate-color-700);
    font-size: 14px;
    text-decoration: underline;
    transition: color 0.3s;
    cursor: pointer;
}
.clear__btn:hover{
    color: var(--Slate-color-900);
}


.form__group{
    margin-bottom: 25px;
}
.form__group label{
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--Slate-color-700);
    font-size: var(--Font-main-size);
}

.input__container{
    position: relative;
}

.currency__symbol{
    position: absolute;
    left: 0px;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 600;
    color: var(--Slate-color-900);
    background: var(--Slate-color-300);
    padding: 16.5px 20px;
    border-radius: 6px 0 0 6px;
    z-index: 2;
}

.form__group input{
    width: 100%;
    padding: 15px;
    border: 1px solid var(--Slate-color-500);
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
    background: var(--White-color);
}
.form__group input.with-currency{
    padding-left: 60px;
}
.form__group input:focus{
    outline: none;
    border-color: var(--Slate-color-900);
    box-shadow: 0 0 0 3px rgba(200, 230, 201, 0.2);
}
.form__group input.error{
    border-color: var(--Secondnary-red-color);
    background-color: var(--White-color);
}
.form__group input.error:focus{
    border-color: var(--Secondnary-red-color);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.2);
}

.two__column{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.input__suffix{
    position: absolute;
    right: 0px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--Slate-color-900);
    font-weight: 500;
    background: var(--Slate-color-300);
    padding: 16.5px 20px;
    border-radius: 6px;
}

.radio__group{
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.radio__option{
    display: flex;
    align-items: center;
    padding: 15px;
    border: 1px solid var(--Slate-color-700);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--White-color);
}
.radio__option:hover{
    border-color: var(--Slate-color-900);
    background: var(--White-color);
}
.radio__option.selected{
    border: 1px solid hsl(34.34deg 100% 59.57%);
    background: hsl(61deg 100% 87.67%);
}
.radio__option input[type="radio"]{
    margin-right: 12px;
    width: 15px;
    
}
.radio__option input[type="radio"]:checked{
    background-color: hsl(34.34deg 100% 59.57%);
}
.radio__option label{
    margin: 0;
    cursor: pointer;
    font-weight: 500;
}

.error-message{
    color: var(--Secondnary-red-color);
    font-size: var(--Font-main-size);
    margin-top: 5px;
    display: block;
}

    /*=============== Btn ===============*/
    .calculate-btn{
        width: 100%;
        background: linear-gradient(135deg, #52f657 0%, #41ec47 100%);
        color: var(--Slate-color-900);
        border: none;
        padding: 18px;
        border-radius: 50px;
        font-size: 16px;
        font-weight: 600;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        box-shadow: 0 4px 15px rgba(16, 243, 23, 0.4);
        transition: all 0.3s;
    }
    .calculate-btn:hover{
        border: 1px solid var(--Slate-color-900);
        color: var(--White-color);
        transform: translateY(-2px);
    }
    .calculate-btn:active{
        transform: translateY(0);
    }

.results__placeholder{
    text-align: center;
}
.results__placeholder h2{
    font-size: 24px;
    margin-bottom: 15px;
}
.results__placeholder p{
    color: var(--Slate-color-700);
    line-height: 1.5;
}
.results__icon{
    width: 190px;
    height: 125px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    font-size: 24px;
}
.results__content{
    width: 100%;
}
.results__content h2{
    font-size: 24px;
    margin-bottom: 20px;
}
.results__content p{
    color: var(--Slate-color-500);
    margin-bottom: 30px;
    line-height: 1.5;
}
.results__item{
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 20px;
    border-top: 5px solid var(--Primary-lime-color);
}
.line{
    border: 1px solid var(--Slate-color-700);
    margin-bottom: 35px;
    width: 100%;
}
.results__label{
    color: #bdc3c7;
    font-size: 14px;
    margin-bottom: 8px;
}
.results-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--Primary-lime-color);
    padding-bottom: 40px;
}

.results-value.secondary {
    font-size: 24px;
    color: white;
}

@media (max-width: 768px) {
    .calculator__container {
        flex-direction: column;
        margin: 10px;
    }
            
    .form__section, .results__section {
        padding: 30px 20px;
    }
            
    .two__column {
        grid-template-columns: 1fr;
    }
            
    .header h1 {
        font-size: 24px;
    }
}