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

:root {

    --Lime: hsl(61, 70%, 52%);
    --Lime-light: hsl(61, 70%, 80%);
    --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%);
    --Slate-1000: hsl(202, 55%, 12%);
}

img, svg {
    max-width: 100%;
    display: block;
}

label {
    width: 100%;
    margin-bottom: .5rem;
    display: block;
}

input[type='number'] {
    width: 100%;
    padding: .25rem .5rem;
    font-weight: 700;
    border: 0;
    outline: 0;
}

input[type='radio'] {
    appearance: none;
    width: .5rem;
    height: .5rem;
    margin-right: .5rem;
    outline: 2px solid var(--Slate-900);
    outline-offset: 3px;
    border-radius: 50%;
}

input[type='radio']:checked {
    background-color: var(--Lime);
}

.radio-inputs {
    cursor: pointer;
    padding: .5rem 1rem;
    margin-bottom: .5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: .5rem;
    border: 1px solid var(--Slate-300);
}

.radio-inputs > * {
    cursor: pointer;
}

.radio-inputs:hover {
    border: 1px solid var(--Lime);
}

.radio-inputs label {
    margin-bottom: 0;
}

.radio-inputs.selected {
    background-color: var(--Lime-light);
    border: 1px solid var(--Lime);
}

.radio-inputs.selected input[type='radio'] {
    outline: 3px solid var(--Lime);
}

button {
    cursor: pointer;
}

.form-item {
    margin-bottom: 2rem;
}

.form-symbol {
    background-color: var(--Slate-100);
    color: var(--Slate-700);
    padding: .5rem .75rem;
    font-weight: 700;
}

.form-flex {
    display: flex;
    border: 1px solid var(--Slate-300);
}

.form-flex:hover {
    border: 1px solid var(--Slate-900);
}

.form-flex:focus-within {
    border: 1px solid var(--Lime);
}

.form-flex:focus-within .form-symbol {
    background-color: var(--Lime);
    border: 1px solid var(--Lime);
}

.form-flex.error .form-symbol {
    background-color: var(--Red);
    color: var(--White);
}

.form-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;   
}

.form-col .form-item {
    margin: 0;
}

body {
    background-color: var(--Slate-100);
    min-height: 100vh;
    font-family: "Plus Jakarta Sans", sans-serif;
    display: grid;
    place-items: center;
}

.form-alert {
    color: var(--Red);
    display: none;
}

.mortgage-calculator {
    background-color: white;
    max-width: 1200px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-radius: 1.5rem;
    overflow: hidden;
}

.mortgage-calculator > * {
    padding: 2rem;
}

.mortgage-calculator .left {
    color: var(--Slate-900);
}

.mortgage-calculator .left .light-text {
    color: var(--Slate-700);
    font-weight: 500;
}

.mortgage-calculator .left .header {
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mortgage-calculator .left .header button {
    background-color: transparent;
    color: var(--Slate-500);
    padding: .25rem .5rem;
    font-size: 1.15rem;
    text-decoration: underline;
    border: 0;
}

.mortgage-calculator .left .calculate-btn {
    background-color: var(--Lime);
    color: var(--Slate-900);
    padding: .75rem 2rem;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    border: 0;
    align-items: center;
    border-radius: 1.5rem;
}

.mortgage-calculator .left .calculate-btn:hover {
    background-color: var(--Lime-light);
}

.mortgage-calculator .right {
    background-color: var(--Slate-900);
    color: var(--White);
    border-radius: 0 0 0 4rem;
}

.mortgage-calculator .right .light-text {
    color: var(--Slate-500);
    font-weight: 500;
}

.mortgage-calculator .right .default-text {
    margin-top: 5rem;
    text-align: center;
}

.mortgage-calculator .right .default-text.hide {
    display: none;
}

.mortgage-calculator .right .default-text img {
    margin: auto;
}

.mortgage-calculator .right .default-text h2 {
    margin-bottom: 1rem;
}

.mortgage-calculator .right .calculations-container {
    display: none;
}

.mortgage-calculator .right .calculations-container.show {
    display: block;
}

.mortgage-calculator .right .calculations-container .light-text {
    margin: 1rem 0 2rem;
}

.mortgage-calculator .right .calculations-container .calculations {
    background-color: var(--Slate-1000);
    padding: 1.5rem;
    border-top: 4px solid var(--Lime);
    border-radius: 1rem;
}

.mortgage-calculator .right .calculations-container .calculations .light-text {
    margin: 0 0 1rem;
}

.mortgage-calculator .right .calculations-container .calculations .monthly-result {
    color: var(--Lime);
    font-size: 4rem;
    font-weight: 700;
}

.mortgage-calculator .right .calculations-container .calculations .line {
    background-color: var(--Slate-500);
    width: 100%;
    height: 1px;
    margin: 2rem 0;
    display: block;
}

.mortgage-calculator .right .calculations-container .calculations .term-result {
    color: var(--White);
    font-size: 2rem;
    font-weight: 700;
}

@media (max-width: 800px) {
    .mortgage-calculator {
        margin: 2rem;
        grid-template-columns: 1fr;
    }

    .mortgage-calculator .right .default-text {
        margin-top: 3rem;
    }
}

@media (max-width: 540px) {
    .mortgage-calculator {
        margin: 0;
        grid-template-columns: 1fr;
    }

    .mortgage-calculator .left .header{
        display: block;
        margin-bottom: 2rem;
    }

    .form-col {
        grid-template-columns: 1fr;
    }

    .mortgage-calculator .right {
        border-radius: initial;
    }

    .mortgage-calculator .left .calculate-btn {
        width: 100%;
        justify-content: center;
    }
}