app.css

/*  Notebook - 1.0
 *
 *  File: app.css
 *  Author: Paulo Nunes
 *  Source: https://github.com/syndicatefx/notebook
 *  License: MIT
 */
 :root {
	--bg: #f9f9f9;
	--bg-muted: #f7f7f7;
	--text: #333;
	--border: #ddd;
	--shadow: 0 5px 12px -5px hsl(0 0% 0% / 15%);
	--shadow-inset: inset 0 0 10px hsl(0 0% 0% / 5%);
	--focus-ring: hsl(0 0% 0% / 5%);
}

@font-face {
    font-family: 'IBMPlexMono';
    font-weight: 400;
    font-style: normal;
    src: url("IBMPlexMono-Regular.woff2") format("woff2");
    font-display: swap;
}

::selection {
    background-color: var(--bg-muted);
}

:focus {
	outline: 3px solid transparent;
	box-shadow: 0 0 0 4px var(--focus-ring);
}
  
:is(aside, textarea)::-webkit-scrollbar {
    width: 10px
}
:is(aside, textarea)::-webkit-scrollbar-track {
    background: transparent;
}
:is(aside, textarea)::-webkit-scrollbar-thumb{
    background-color: var(--text);
    border: 2px solid var(--bg);
    border-radius: 6px;
}
:is(aside, textarea) {
    scrollbar-width: thin;
    scrollbar-color: var(--text) transparent;
}

html {
    font-family: "IBMPlexMono", monospace;
    font-size: 100%;
    block-size: 100%;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    text-rendering: optimizeSpeed;
    -webkit-text-size-adjust: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    box-sizing: border-box;
}

* , *:before, *:after {
    box-sizing: inherit;
    margin: 0;
    padding: 0;
}

body {
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    min-block-size: 100%;
    background-color: var(--bg);
    color: var(--text);
}

svg {
    max-block-size: 100%;
    pointer-events: none;
    display: block;
    margin-block: 2rem;
    margin-inline: auto;
}

label, input {
	display: block;
    max-inline-size: 24rem;
    margin-inline: auto;
}

input, button, textarea {
	font: inherit;
	font-size: inherit;
	color: inherit;
	letter-spacing: inherit;
}
input, button {
	padding-inline: .75rem;
	padding-block: .5rem;
    border-radius: .25rem;
	border: 1px solid var(--border);
}

input {
    inline-size: 100%;
    margin-block-end: 2rem;
	background-color: var(--bg-muted);
	border: 1px solid var(--border);
	box-shadow: var(--shadow-inset);
}

button {
	user-select: none;
	-webkit-tap-highlight-color: transparent;
	-webkit-touch-callout: none;
	display: inline-flex;
	justify-content: center;
	align-items: center;
	text-align: center;
	gap: .5rem;
	padding-inline: .5rem;
	padding-block: .25rem;
	cursor: pointer;
    background-color: var(--bg);
	box-shadow: var(--shadow);
}

main button {
    position: absolute;
    top: .5rem;
    right: .5rem;
}

textarea {
    line-height: 1.65;
    inline-size: 100%;
    block-size: calc(100vh - 58px);
    padding: 10vmin max(1rem, 50vw - 60ch / 2);
    resize: none;
    caret-color: var(--text);
    border: 0;
}

textarea:focus {
    outline: none;
    box-shadow: none;
}


.notebook {
    block-size: 100vh;
}

aside {
    inline-size: 100%;
    block-size: 100%;
    padding: 10vmin 5vw;
    overflow-y: auto;
    background-color: var(--bg);
}

ul {
    max-inline-size: 24rem;
    list-style: none;
    margin-block-end: 4rem;
    margin-inline: auto;
}

li {
    position: relative;
    display: flex;
    align-items: center;
    gap: .5rem;
    margin-block: .5rem;
}

li > button:first-of-type {
    inline-size: 100%;
    align-items: start;
    justify-content: left;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border: 0;
    box-shadow: none;
}

li > button:last-child,
li > div button:first-child {
    margin-inline-start: auto;
}

li > button:last-child {
    font-size: 1.5rem;
    line-height: 1;
}

li > div {
    position: absolute;
    inline-size: 100%;
    block-size: 100%;
    display: flex;
    align-items: center;
    gap: .5rem;
    padding-block: 1.5rem;
    background-color: var(--bg);
}

main {
    block-size: 100vh;
}

main > div {
    position: relative;
    inline-size: 100%;
    block-size: 100%;
    background-color: var(--bg);
}

footer {
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: end;
    inline-size: 100%;
    padding: 1rem;
    background: var(--bg-muted);
    box-shadow: inset -1px 0 2px hsl(0 0% 0% / 15%);
}

footer div {
    display: flex;
    align-items: center;
    gap: .5rem;
}

footer a {
    text-decoration: none;
    color: var(--text);
    margin-inline-end: auto;
}