@import url("https://fonts.googleapis.com/css2?family=Lexend+Deca&display=swap");

:root {
	--base: rgb(16, 22, 75);
	font-size: max(min(1.2vw, 16px), 10px);
}

* {
	box-sizing: border-box;
}

html,
body {
	margin: 0;
	padding: 0;
	color: white;
	font-family: "Lexend Deca", system-ui;
}

body {
	min-height: 100vh;
	background: var(--base);
}

.container {
	display: block;
	width: min(800px, calc(100% - 4em));
	margin: 0 auto;
	padding-top: 8em;
}

h1 {
	font-size: 2em;
	font-weight: bold;
	margin: 0 0 0.25em 0;
	padding: 0;
}

h2 {
	font-size: 1.5em;
	font-weight: bold;
	margin: 1em 0 0.2em 0;
	padding: 0;
}

.letters {
	display: flex;
	flex-direction: row;
	gap: 1em;
}

input {
	font: inherit;
	font-size: 1.2rem;
	color: inherit;
	border: 2px solid transparent;
	border-radius: 0.1em;
	background: #222;
	transition: all 0.2s;
	padding: 0.5em;
}

.letter {
	font-size: 2rem;
	width: 2em;
	padding: 0.2em 0;
	text-align: center;
}

input:focus {
	outline: none;
	border: 2px solid white;
}

.letter.used {
	background: #538d4e;
}

#unknown.used {
	background: #b59f3b;
}

button {
	font: inherit;
	padding: 0.5em 1em;
	border: 0.125em solid white;
	border-radius: 0.25em;
	background: inherit;
	color: white;
	cursor: pointer;
	transition: all 0.2s ease-out;
}

button:hover,
button:focus-visible {
	background: white;
	color: var(--base);
}

button:focus-visible {
	outline: 0.2em solid white;
	outline-offset: 0.2em;
}

#result {
	margin-bottom: 2em;
}