/* Start of reset css */
html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
	margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
	box-sizing: border-box;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
	display: block;
}
body {
	line-height: 1;
}
ol,
ul {
	list-style: none;
}
blockquote,
q {
	quotes: none;
}
blockquote:before,
blockquote:after,
q:before,
q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}
/* End of reset css */

@font-face {
	font-family: DungGeunMo;
	src: url('DungGeunMo.ttf');
}

body {
	font-family: DungGeunMo, 'Sans Serif';
	min-width: 850px;
	color: #373737;
	margin: 0;
}

#root-content-container {
	position: relative;
	width: 100%;
	height: 100%;
}

.modal {
	display: flex;
	position: absolute;
	width: 100%;
	height: 100%;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 30px;
	opacity: 1;
	visibility: visible;
	z-index: 10;
}

.modal.modal--closed {
	opacity: 0;
	visibility: hidden;
	z-index: -1;
}

.game-start__modal {
	background-color: #f8ec99;
}

.game-loading__modal {
	background-color: #f899f3;
}

.game-stop__modal {
	background-color: #90ffee;
}

.game-reset__modal {
	background-color: #ffb81e;
}

.modal__game-loading__text {
	font-size: 60px;
}

.modal__game-loading__status-bar {
	position: relative;
	width: 400px;
	height: 80px;
	background-color: rgb(0, 136, 255);
}

.modal__game-loading__status-bar::after {
	content: '';
	position: absolute;
	width: 0;
	height: calc(100% - 10px);
	top: 5px;
	left: 5px;
	background-color: rgb(255, 191, 0);
}

.modal__game-loading__status-bar.active::after {
	width: calc(100% - 10px);
	transition: width 5s linear;
}

.modal__game__title {
	position: relative;
	font-size: 100px;
}

.modal__game__result {
	font-size: 85px;
}

.modal__game__how-many-matched {
	font-size: 60px;
}

.modal__game__how-long-passed {
	font-size: 60px;
}

.modal button {
	border: none;
	font-size: 45px;
	font-family: inherit;
	padding: 10px;
	border: 3px solid black;
	border-radius: 20px;
	cursor: pointer;
	transition: all 0.25s ease-in-out;
}

.modal button:hover {
	transform: scale(1.05);
}

.game-start__modal .game-start__button {
	background-color: #c6b8e3;
}

.game-stop__modal .game-reset__button {
	background-color: #fff570;
}

.game-reset__modal .game-reset__button {
	background-color: #c5f100;
}

#game-content-container {
	display: flex;
	max-width: 740px;
	min-height: 100vh;
	flex-direction: column;
	justify-content: center;
	padding-top: 2vh;
	padding-bottom: 2vh;
	margin: 0 auto;
}

header {
	display: grid;
	grid-template-rows: 1fr 0.3fr;
	gap: 10px;
	padding: 0 20px;
}

header .game-stop__button {
	display: flex;
	justify-content: center;
	align-items: center;
	font-family: inherit;
	font-size: 30px;
	background-color: unset;
	border: none;
	border: 3px solid black;
	border-radius: 5px;
	padding: 5px;
	cursor: pointer;
	transition: all 0.5s;
}

header .game-stop__button:hover {
	transform: scale(1.05);
}

.header__upper {
	display: flex;
	justify-content: space-between;
	align-items: center;
}

h2 {
	font-size: 50px;
}

.header__bottom {
	display: flex;
	justify-content: flex-end;
	align-items: center;
}

.passed-time {
	display: flex;
	align-items: center;
	gap: 10px;
}

.passed-time__description {
	font-size: 25px;
}

.passed-time__time {
	font-size: 35px;
}

.passed-time__second {
	font-size: 25px;
}

.reset-game-button {
	display: flex;
	justify-content: center;
	align-items: center;
	font-family: inherit;
	font-size: 30px;
	background-color: unset;
	border: none;
	border: 3px solid black;
	border-radius: 5px;
	padding: 5px;
	cursor: pointer;
}

#game-board {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	grid-template-rows: repeat(4, 1fr);
	gap: 10px;
	padding: 20px;
}

.card {
	position: relative;
	aspect-ratio: 1 / 1;
	box-shadow: 0 3px 10px rgba(200, 200, 200, 0.9);
	border-radius: 10px;
	font-family: inherit;
	overflow: hidden;
	padding: 0;
	background-color: unset;
	border: none;
	transform-style: preserve-3d;
	cursor: pointer;
}

.card__front,
.card__back {
	position: absolute;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	backface-visibility: hidden;
	transition: transform 0.5s;
}

.card__front {
	background-image: url('pokeball.png');
	background-position: center;
	background-repeat: no-repeat;
	background-color: #000;
}

.card__back {
	display: grid;
	grid-template-rows: 5fr 1fr;
	grid-template-columns: 1fr;
	justify-content: space-between;
	align-items: center;
	padding: 5px;
}

.card__back__image {
	display: block;
	height: 100%;
	margin: 0 auto;
}

.card__back__name {
	display: flex;
	height: 100%;
	justify-content: center;
	align-items: center;
	font-size: 20px;
}

.rotated {
	transform: rotateY(180deg);
}

.matched {
	cursor: auto;
}