@font-face {
    font-family: 'Open Sans';
    font-style: normal;
    font-weight: 400;
    font-stretch: normal;
    font-display: swap;
    src: url(/assets/open_sans.ttf) format('truetype');
}

:root {
    --background-color: #ffffff;
    --foreground-color: #212121;
    --border-color: #dbdbdb;
    --green: #2e7d32;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #212121;
        --foreground-color: #fafafa;
        --border-color: #424242;
        --green: #388e3c;
    }
}

html, body {
    margin: 0;
    padding: 0;

    background-color: var(--background-color);
    color: var(--foreground-color);
    font-family: "Open Sans", sans-serif;
}

.container {
    margin: 15vh auto 0;
    max-width: 700px;
}

.input-group {
    display: grid;
    grid-template-rows: 1fr auto;
    grid-template-columns: 1fr auto;
    grid-template-areas: "label box" "input button";

    margin: 1.5rem 0;
}

.input-label {
    grid-area: label;
    margin-bottom: 0.6rem;
    font-size: 1.4rem;
}

.text-input {
    grid-area: input;
    padding: 0.3rem 0.6rem;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    color: var(--foreground-color);
    font-size: 1.3rem;
    outline: none;
}

.checkbox-input {
    grid-area: box;
}

.input-button {
    grid-area: button;

    background-color: #f50057;
    color: #fafafa;
    border: none;
    padding: 0.3rem 0.6rem;
    font-size: 1.3rem;
    cursor: pointer;
}

.divider {
    width: 110%;
    margin: 4rem 0 0 -5%;
    border: 1px solid var(--border-color);
}

.checkbox-input {
    height: 1.8rem;
    width: 2.8rem;
    background-color: var(--border-color);
    border-radius: 0.9rem;
    transition: background-color 0.2s;
    cursor: pointer;
}

.checkbox-selector {
    width: 1.4rem;
    height: 1.4rem;
    margin: 0.2rem;
    background-color: var(--background-color);
    border-radius: 0.7rem;
    transition: margin-left 0.2s;
}

.checkbox-input[value="true"] {
    background-color: var(--green);
}

.checkbox-input[value="true"] > .checkbox-selector {
    margin-left: 1.2rem;
}