:root {
    --off-white: #f0f0f0;
    --medium-gray: #808080;
    --dark-gray: #202020;
    --light-aqua: #00AACC;

    @media (prefers-color-scheme: light) {
        --background-color: white;
        --text-color: var(--dark-gray);
        --border-color: black;
        --stripe-color: var(--off-white);
    }
    @media (prefers-color-scheme: dark) {
        --background-color: var(--dark-gray);
        --text-color: var(--off-white);
        --border-color: var(--medium-gray);
        --stripe-color: black;
    }

    --border-style: solid var(--border-color) 1px;
    --border-style-thick: solid var(--border-color) 2px;
    --border-radius: 20px;

    --action-accent-color: var(--light-aqua);
    --action-accent-thickness: 1.5px;
    --action-accent-highlight-thickness: 3px;

    background-color: var(--background-color);
    color: var(--text-color);

    font-family: "Inter", sans-serif;
    font-optical-sizing: auto;
    font-weight: 250;
    font-style: normal;
}
* {
    box-sizing: border-box;
    margin: 0rem;
}

a[href] {
    color: var(--text-color);
    text-decoration: underline;
    text-decoration-thickness: var(--action-accent-thickness);
    text-decoration-color: var(--action-accent-color);
    text-underline-position: under;

    &:hover {
        text-decoration-thickness: var(--action-accent-highlight-thickness);
        color: var(--action-accent-color);

        [class*="action-icon"] svg {
            stroke-width: var(--action-accent-highlight-thickness);
        }
    }
}

p, ul, ol, details {
    margin-bottom: 1em;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: 0.5em;
}

h1 {
    font-size: xx-large;
}

strong {
    font-weight: 500;
}

/* Semantic classes. */
.epigraph {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 1em;
    margin-left: 4em;
    margin-right: 4em;
    font-style: italic;
}
.epigraph-citation {
    font-style: normal;
}

.action-button {
    border: 0;
    padding: 0em;
    font: inherit;
    cursor: pointer;
    background: transparent;
    color: inherit;

    label {
        cursor: pointer;
    }
    &:hover {
        color: var(--action-accent-color);
        [class*="action-icon"] svg {
            stroke-width: var(--action-accent-highlight-thickness);
        }
    }
}
.action-icon > svg {
    height: 16px;
    width: 16px;
    margin-bottom: -2px;
    stroke: var(--action-accent-color);
    stroke-width: var(--action-accent-thickness);

}
.action-icon-large > svg {
    height: 32px;
    width: 32px;
    margin-bottom: -4px;
    stroke: var(--action-accent-color);
    stroke-width: var(--action-accent-thickness);
}

/* Style classes. */
.center {
    text-align: center;
}

.no-blank-below {
    margin-bottom: 0em;
}

.one-blank-below {
    margin-bottom: 1em;
}