@import "design/_normalize";
@import "design/_scales";
@import "design/_typography";
@import "design/fonts/_nunito";
@import "design/fonts/_sauna_mono";

:root {
    --default-font-size: var(--step-0);
    --background-color: #ffffff;
    --border-color: #e9ecef;
    --text-color: #1f000d;
    --header-size: calc(1.5 * var(--step-0) + 2 * var(--space-3xs));
}

:root {
    font-size: var(--default-font-size);
    font-family: "Nunito", sans-serif;
}

.toggle-dark {
    display: none;
}

body {
    padding-top: var(--header-size);
    font-size: var(--default-font-size);
    font-family: "Nunito", sans-serif;
    font-weight: 400;
}

@mixin fixed-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.container {
    max-width: 1044px;
    width: 100%;
    padding: 0 var(--space-xs) 0 var(--space-xs);
    margin-right: auto;
    margin-left: auto;
}

.hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    margin-left: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.navbar {
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    align-items: center;
    padding-top: calc(0.5 * var(--space-3xs));
    padding-bottom: calc(0.5 * var(--space-3xs));
    background-color: var(--background-color);
    opacity: 0.95;
    border-bottom: 1px solid var(--border-color);
    @include fixed-top();

    .container {
        display: flex;
        flex-wrap: inherit;
        align-items: center;
        justify-content: space-between;
    }

    .btn {
        cursor: pointer;
        display: inline-block;
        font-weight: 400;
        line-height: 1.5;
        color: #1d2d35;
        text-align: cent    er;
        vertical-align: middle;
        user-select: none;
        background-color: transparent;
        border: 1px solid transparent;
        font-size: 1rem;
        border-radius: 0.25rem;
        transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out,
            border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;

        &:focus {
            box-shadow: none;
        }
    }

    .brand {
        font-size: var(--step-1);
        margin-right: var(--space-s);
        font-weight: 700;
        color: var(--text-color);
        text-decoration: none;

        &:visited,
        &:hover {
            color: var(--text-color);
            text-decoration: none;
        }
    }

    form {
        font-size: var(--step-0);
        flex-grow: 1;
        margin-left: var(--space-2xl);
        margin-right: var(--space-s);

        input {
            appearance: none;
            background-clip: padding-box;
            background: #f8f9fa;
            border-radius: 0.25rem;
            border: 0;
            color: #1d2d35;
            line-height: 1.5;
            padding: var(--space-3xs) var(--space-l) var(--space-3xs) var(--space-3xs);
            transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
            width: 100%;
        }
    }

    .navbar-nav {
        font-size: var(--step-1);
        align-items: center;
        display: flex;
        list-style: none;
        gap: var(--space-xs);
        margin-bottom: 0;

        & > * {
            line-height: 1.5;
            vertical-align: middle;
        }
    }
}

@mixin toc-sticky {
    max-width: 100%;
    position: sticky;
    top: var(--space-xl);
    height: calc(100vh - var(--space-xl));
    z-index: 900;

    &:hover .scrollable-sidebar {
        scrollbar-color: #e9ecef #fff;
    }

    .scrollable-sidebar {
        scrollbar-width: thin;
        scrollbar-color: #fff #fff;
        display: block;
        width: auto;
        overflow-y: scroll;
        padding-bottom: 4rem;
    }
}    

.main {
    display: flex;
    position: relative;
    flex-wrap: nowrap;

    ul {
        padding-left: 0;
        padding-bottom: var(--step--1);
        list-style: none;

        ul {
            padding-left: var(--space-s);
            list-style: disc;
        }
    }
    
    .left-sidebar {
        @include toc-sticky();
        font-size: 80%;
        order: 0;
        flex: 0 1 auto;
        width: 25%; 
        padding-right: var(--space-2xs);
        border-right: 1px solid var(--border-color);
    }

    .docs-toc {
        @include toc-sticky();
        font-size: 66.666%;
        order: 2;
        flex: 0 0 auto;
        width: 18.75%;
        border-left: 1px solid var(--border-color);
        padding-left: var(--space-2xs);

        nav > ul {
            & > li:not(:first-child) {
                margin-top: var(--space-3xs);
                border-top: 1px dashed #e9ecef;
            }
            & > li:not(:first-child) {
                padding-top: var(--space-3xs);
            }
            ul {
                padding-bottom: 0;
            }
        }
    }

    article {
        order: 1;
        padding: 0 var(--space-s) var(--space-m-l) var(--space-s);
        flex: 0 0 auto;
        width: 56.25%;
    }
}