/* CSS Reset */
/* Box sizing rules */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* Prevent font size inflation */
html {
    -moz-text-size-adjust: none;
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
}

/* Remove default margin in favour of better control in authored CSS */
body, h1, h2, h3, h4, p, figure,
blockquote, dl, dd {
    margin-block-end: 0;
    margin-block-start: 0;
}

/* Remove list styles on ul, ol elements with a list role, which suggests default styling will be removed */
ul[role='list'],
ol[role='list'] {
    list-style: none;
}

/* Set core body defaults */
body {
    line-height: 1.5;
    /* Improve text rendering */
    text-rendering: optimizeLegibility;
}

/* Set shorter line heights on headings and interactive elements */
h1, h2, h3, h4,
button, input, label {
    line-height: 1.1;
}

/* 7. Avoid text overflows */
p, h1, h2,
h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

/* 8. Improve line wrapping */
p {
    text-wrap: pretty;
}

h1, h2, h3, h4,
h5, h6 {
    text-wrap: balance;
}

/* Make images easier to work with */
img, picture {
    max-width: 100%;
    display: block;
}

/* Inherit fonts for inputs and buttons */
input, button,
textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* Make sure textareas without a rows attribute are not tiny */
textarea:not([rows]) {
    min-height: 10em;
}

/* Anything that has been anchored to should have extra scroll margin */
:target {
    scroll-margin-block: 5ex;
}

/* Font declarations */
@font-face {
    font-family: 'Lexica Ultralegible';
    font-weight: 700;
    src: url('/fonts/LexicaUltralegible-Bold.woff2') format('woff2');
    font-display: optional;
}

@font-face {
    font-family: 'Lexica Ultralegible';
    font-style: italic;
    font-weight: 700;
    src: url('/fonts/LexicaUltralegible-BoldItalic.woff2') format('woff2');
    font-display: optional;
}

@font-face {
    font-family: 'Lexica Ultralegible';
    font-style: italic;
    font-weight: 400;
    src: url('/fonts/LexicaUltralegible-Italic.woff2') format('woff2');
    font-display: optional;
}

@font-face {
    font-family: 'Lexica Ultralegible';
    font-style: normal;
    font-weight: 400;
    src: url('/fonts/LexicaUltralegible-Regular.woff2') format('woff2');
    font-display: optional;
}

/* Set root defaults */
@property --text-size-base {
    syntax: "<length>";
    inherits: true;
    initial-value: 0.9rem;
}

:root {
    --text-size-xs: calc(var(--text-size-base) * 0.7);
    --text-size-sm: calc(var(--text-size-base) * 0.8);
    --text-size-base: max(0.92rem, calc(0.8rem + 0.2svw + 0.2cqi));
    --text-size-lg: calc(var(--text-size-base) * 1.2);
    --text-size-xl: calc(var(--text-size-base) * 1.4);
    --text-size-2xl: calc(var(--text-size-base) * 1.7);
    --text-size-3xl: calc(var(--text-size-base) * 2);
    --text-size-4xl: calc(var(--text-size-base) * 2.5);
    --text-size-5xl: calc(var(--text-size-base) * 3);
    scrollbar-gutter: stable both-edges;
    color-scheme: dark light;
    --sizing-gap-base: calc(0.2rem + 0.3svw + 0.2cqi);
    --sizing-gap-1g: calc(var(--sizing-gap-base) * 1.2);
}

body {
    font-family: 'Lexica Ultralegible', 'Atkinson Hyperlegible', Seravek, 'Gill Sans Nova', Ubuntu, Calibri, 'DejaVu Sans', source-sans-pro, Helvetica, Arial, sans-serif;
    
    @media (prefers-color-scheme: light) {
      filter: sepia(4%);
    }
    
    @media (prefers-color-scheme: dark) {
      filter: contrast(104%);
    }
    
}

p {
    font-size: var(--text-size-base);
    margin-block-end: 1rlh;
}

/* Layout rules */
body {
    margin-inline: auto;
    margin-block: var(--text-size-lg);
    width: clamp(68%, calc(50svw + 21rem), 95%);
}

header > div {
    margin-block: var(--sizing-gap-base) var(--sizing-gap-1g);
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

header h1 {
    display: inline-block;
    width: fit-content;
    margin-inline-end: auto;
    font-size: var(--text-size-5xl);
    flex-basis: 17ch;
    flex-grow: 2;
}

#headernav {
    flex-basis: 16ch;
    flex-grow: 1;
    margin-inline-end: 1rem;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
    gap: var(--sizing-gap-base);
    flex-wrap: wrap;
}

#headernav a {
    display: block;
    flex-basis: 8ch;
    text-align: end;
    font-size: var(--text-size-lg);
}

header > h2 {
    margin-block: var(--sizing-gap-1g);
    display: block;
    font-size: var(--text-size-4xl);
}

div#page-wrap {
    display: grid;
    grid-template-columns: 3fr 1fr;
    grid-template-rows: min-content 1fr;
    grid-template-areas:
        'main sidebar'
        'footer footer';
    gap: var(--sizing-gap-base);
}

@media (width < 60em) {
    div#page-wrap {
        grid-template-areas:
            'main'
            'sidebar'
            'footer';
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
}

div#page-wrap {
    & main {
        grid-area: main;
    }
    
    & aside {
        grid-area: sidebar;
        margin-inline: var(--sizing-gap-base);
    }
    
    & footer {
        grid-area: footer;
    }
}

main {
    & h3 {
        font-size: var(--text-size-3xl);
        margin-block: var(--sizing-gap-base);
    }
    
    & article {
        margin-inline: var(--sizing-gap-1g);
        max-width: calc(55ch + 8cqi);
    }
}

aside {
    & section {
        margin-block: var(--sizing-gap-base);
    }
    
    & h1,
    h2, h3, h4 {
        font-size: var(--text-size-2xl);
        margin-block-end: var(--sizing-gap-1g);
    }
    
    & search button,
    input {
        width: 100%;
    }
    
    & div#alphabetnav {
        margin-block: var(--sizing-gap-base);
        display: grid;
        grid-template: repeat(4, 1fr) / repeat(6, 1fr);
        grid-auto-flow: row;
        gap: var(--sizing-gap-base);
        font-size: var(--text-size-xl);
        justify-items: center;
    }
}

footer {
    margin-block: var(--sizing-gap-base);
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}