OpenTerminal/public/styles/main.css

:root {
	--colour: #a6e3a1;
	--bgcolour: #1e1e2e;
}

body {
	margin: 0;
	padding: 0;
	color: var(--colour); 
	background-color: var(--bgcolour);
	font-family: monospace;
	font-size: 12px;
}

main {
	margin: 0 1rem;
	border: 1px solid var(--colour);
}

pre#content {
	height: calc(100vh - 6rem);
	margin: 0;
	padding: 1rem;
	overflow-x: hidden;
	overflow-y: scroll;
	white-space: break-spaces;
	line-break: anywhere;
	text-shadow: 0 0 2em;
}

div#caret {
	width: .5em;
	height: .9em;
	display: inline-block;
	background: var(--colour);
	transform: translateY(1px);
	animation: linear .5s infinite forwards caret-blink;
}

@keyframes caret-blink {
	from {
		opacity: 1;
	}
	to {
		opacity: 0;
	}
}

footer,
header {
	height: 18px;
	padding: .5em 2em;
	display: flex;
	gap: 1em;
	align-items: center;
	justify-content: space-between;
}

footer ul,
header ul {
	margin: 0;
	padding: 0;
	display: flex;
	gap: 1em;
}

footer li,
header li {
	list-style: none;
}

footer li a,
header li a,
footer li:not(:has(a)),
header li:not(:has(a)) {
	opacity: .5;
}

footer a:hover,
header a:hover,
footer a.active,
header a.active {
	text-shadow: 0 0 1em, 0 0 3em;
	opacity: 1;
}

footer a,
header a {
	color: var(--colour);
	text-decoration: none;
	cursor: pointer;
}

ul#colours-dropdown {
	position: absolute;
	top: 2.5em;
	right: 1.3em;
	padding: calc(1rem - .25em);
	display: none;
	flex-direction: column;
	text-align: right;
	gap: 0;
	border: 1px solid var(--colour);
	background: var(--bgcolour);
	max-height: 18em;
	overflow-y: scroll;
}

ul#colours-dropdown.active {
	display: flex;
}

ul#colours-dropdown li {
	padding: .25em .5em;
	cursor: pointer;
}

ul#colours-dropdown li:hover,
ul#colours-dropdown li.active {
	opacity: 1;
	color: var(--bgcolour);
	background: var(--colour);
}

div#overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background-image: linear-gradient(180deg, rgba(0,0,0,0) 15%, rgb(0, 0, 0) 40%, rgb(0, 0, 0) 60%, rgba(0,0,0,0) 85%);
	background-size: 100vw .2em;
	background-repeat: repeat;
	opacity: .5;
	pointer-events: none;
	animation: linear .05s infinite alternate overlay-flicker;
	mix-blend-mode: overlay;
	z-index: 100;
}

body.lcd div#overlay {
	background-image:
		linear-gradient(to right,
			rgba(255,0,0,.5) 0%, rgba(255,0,0,.5) 33%,
			rgba(0,255,0,.5) 34%, rgba(0,255,0,.5) 66%,
			rgba(0,0,255,.5) 66%, rgba(0,0,255,.5) 100%),
		linear-gradient(to top, rgba(255,255,255,255) 0%, rgba(255,255,255,0) 100%);
	mix-blend-mode: multiply;
	background-size: 3px 3px;
	animation: none;
}

body.lcd pre#content {
	text-shadow: -1px 0 rgba(255,0,0,.5), 1px 0 rgba(0,0,255,.5), 0 0 .5em, 0 0 3em;
}

@keyframes overlay-flicker {
	from {
		opacity: .5;
	}
	to {
		opacity: .6;
	}
}

#mobile-input {
	position: absolute;
	top: 1.2em;
	left: 1.2em;
	width: calc(100vw - 3em);
	height: calc(100vh - 3.9em);
	opacity: 0;
	user-select: none;
	pointer-events: none;
}

#dialog-backdrop {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	display: none;
	background: black;
	opacity: .25;
	z-index: 99;
}

#connect-dialog {
	position: fixed;
	top: 50%;
	left: 50%;
	max-width: calc(100vw - 4rem);
	width: 16rem;
	margin: auto auto;
	padding: 1rem;
	display: none;
	transform: translate(-50%, -50%);
	border: 1px solid var(--colour);
	color: var(--colour);
	background: var(--bgcolour);
	text-shadow: 0 0 2em;
	z-index: 99;
}

#dialog-backdrop.show,
#connect-dialog.show {
	display: block;
}

#connect-dialog p {
	margin: 0 0 1em 0;
}

#connect-dialog input {
	font-family: inherit;
	color: var(--colour);
	border: 1px solid var(--colour);
	background: transparent;
}

#connect-dialog input::placeholder {
	font-family: inherit;
	color: var(--colour);
	opacity: .25;
}

#connect-dialog button {
	font-family: inherit;
	border: 1px solid var(--colour);
	color: var(--colour);
	background: transparent;
	cursor: pointer;
}

#connect-dialog #connect-close {
	position: absolute;
	top: -0.7em;
	right: 1rem;
	border: none;
	background: var(--bgcolour);
}

*:focus {
	outline: none;
	box-shadow: 0 0 4px;
}