:root {
    --lime: hsl(61, 70%, 52%);
    --light-lime: hsl(61, 70%, 90%);
    --red: hsl(4, 69%, 50%);
    --white: hsl(0, 0%, 100%);
    --slate-100: hsl(202, 86%, 94%);
    --slate-300: hsl(203, 41%, 72%);
    --slate-500: hsl(200, 26%, 54%);
    --slate-700: hsl(200, 24%, 40%);
    --slate-900: hsl(202, 55%, 16%);
    --dark-blue: hsl(219, 29%, 14%);
}

html {
    font-size: 16px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

@font-face {
    font-family: 'Plus Jakarta Sans Italic';
    src: url('./assets/fonts/PlusJakartaSans-Italic-VariableFont_wght.ttf');
    font-weight: 500 700;
}

@font-face {
    font-family: 'Plus Jakarta Sans';
    src: url('./assets/fonts/PlusJakartaSans-VariableFont_wght.ttf');
    font-weight: 500 700;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    min-width: 100vw;
    justify-content: center;
    align-items: center;
    background-color: var(--slate-100);
}

main {
    width: clamp(15rem, 80%, 60rem);
    background-color: var(--white);
    border-radius: 1rem;
    color: var(--slate-700);
    display: flex;
    flex-direction: column;
}

img {
    max-inline-size: 100%;
    block-size: auto;
}

.input-section {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    align-items: flex-start;
}

h1 {
    color: var(--slate-900);
    font-size: 1.5rem;
}

.btn {
    transition: background-color 0.4s ease-out, color 0.4s ease-out;
}

.clear-btn {
    border: 0;
    background-color: transparent;
    cursor: pointer;
    text-decoration: underline;
    color: var(--slate-700);
}

.clear-btn:hover {
    color: var(--slate-900);
}

.clear-btn:active {
    color: var(--slate-300);
}

.calculate-btn {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    cursor: pointer;
    height: 2.5rem;
    border: 0;
    background-color: var(--lime);
    color: var(--slate-900);
    font-weight: 700;
    border-radius: 4rem;
}

.calculate-btn:hover {
    background-color: var(--slate-500);
}

.calculate-btn:active {
    background-color: var(--slate-700);
}

.term-and-interest {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.input-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.5rem;
}

.custom-input {
    display: flex;
    height: 2.5rem;
    flex-direction: row;
    border: 0.15rem solid var(--slate-500);
    border-radius: 0.2rem;
    cursor: pointer;
}

.mortgage-symbol {
    padding: 0.5rem 1rem;
    background-color: var(--slate-300);
    height: 100%;
}

.input[type="number"] {
    font-family: 'Poppins Bold';
    color: var(--slate-700);
    font-size: 1rem;
    padding-left: 0.5rem;
    width: 100%;
    height: 100%;
    cursor: pointer;
    transition: background-color 0.4s ease-out;
    border: 0;
    outline: none;
}

input[type='radio'] {
    appearance: none;
    width: 1.1rem;
    height: 1.1rem;
    cursor: pointer;
    border: 0.1rem solid var(--slate-900);
    margin: 0;
    border-radius: 50%;
    background-color: var(--white);
    transition: all 0.3s;
    transform: translateY(0.1rem);
    display: grid;
    place-content: center;
}

input[type="radio"]::before {
    content: "";
    width: 0.65rem;
    height: 0.65rem;
    border-radius: 50%;
    transform: scale(0);
    transition: 0.3s transform ease-in-out;
    box-shadow: inset 1em 1em var(--lime);
}

input[type="radio"]:checked {
    border: 0.1rem solid var(--lime);
    background-color: var(--light-lime);
}

input[type="radio"]:checked::before {
    transform: scale(1);
}

.types-selection {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    width: 100%;
}

.type-label {
    width: 100%;
    height: 2.5rem;
    border-radius: 0.3rem;
    padding: 0.4rem 0 0 1rem;
    border: 0.15rem solid var(--slate-500);
    display: grid;
    cursor: pointer;
    grid-template-columns: 1rem auto;
    gap: 1rem;
}

.radio-selected {
    border: 0.15rem solid var(--lime);
    background-color: var(--light-lime);
}

.output-section {
    font-size: 0.9rem;
    background-color: var(--slate-900);
    border-radius: 0 0 1rem 1rem;
    padding: 2rem;
    color: var(--slate-500);

    h2 {
        color: var(--white);
    }

    .empty-result {
        width: 100%;
        height: 100%;
        text-align: center;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        display: none;

        img {
            width: 50%;
            margin: 0 auto;
        }
    }

    .calculated-result {
        width: 100%;
        height: 100%;
        display: flex;
        flex-direction: column;
        gap: 1rem;
        justify-content: center;

        .result-container {
            width: 100%;
            padding: 1rem;
            background-color: var(--dark-blue);
            border-radius: 0.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            border-top: 0.2rem solid var(--lime);

            .divider {
                height: 0.1rem;
                background-color: var(--slate-500);
                width: 100%;
            }

            .monthly-repayments {
                color: var(--lime);
                font-size: 3rem;
                font-weight: 700;
            }

            .total-repayments {
                color: var(--white);
                font-size: 1.2rem;
            }
        }
    }
}

.error-symbol{
    color: var(--white);
    background-color: var(--red);
}

.error-input{
    border-color: var(--red);
}

.error-message {
    display: none;
    color: var(--red);
    margin-top: 0.3rem;
}

@media screen and (width > 53rem) {
    main {
        flex-direction: row;
    }

    .input-section {
        width: 50%;

        .term-and-interest {
            flex-direction: row;
        }

        .calculate-btn {
            width: 80%;
        }
    }

    .output-section {
        width: 50%;
        border-radius: 0 1rem 1rem 5rem;
    }

    .output-section .calculated-result .result-container{
        gap: 1.5rem;
        padding: 1.5rem;
        margin-top: 1rem;
    }
}