* {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
}

:root {
	font-size: 62.5%;
}

body {
	position: relative;
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	background-color: #ddd;
	font-family: 'Inter', sans-serif;
}

main,
header {
	width: 100%;
	max-width: 1000px;
	background-color: #fff;
}

header {
	position: relative;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-around;
	align-items: center;
	padding: 1em;
	column-gap: 2em;
	row-gap: 1em;
	border-top-left-radius: 15px;
	border-top-right-radius: 15px;
}

main {
	border-bottom-left-radius: 15px;
	border-bottom-right-radius: 15px;
}

.container {
	display: flex;
	padding-bottom: 1em;
}

.color-box {
	display: flex;
	flex-direction: column;
	align-items: center;
	width: 20%;
	height: 88vh;
}
.color {
	position: relative;
	width: 100%;
	height: 100%;
	background-color: rgb(194, 219, 246);
	margin-bottom: 1em;
	overflow: hidden;
}

.color-hex {
	padding: 1em 0;
	font-size: 1.2rem;
	cursor: pointer;
	transition: transform 0.3s;
}
.color-hex:hover {
	transform: scale(0.95);
}

input {
	width: 60px;
	height: 40px;
	cursor: pointer;
}
select {
	flex-grow: 2;
}

button {
	flex-grow: 1;
	background: none;
	transition: background-color 0.3s;
}

button:hover {
	background-color: #eee;
}

select,
button {
	height: 40px;
	border-radius: 5px;
	border: 1px solid rgba(0, 0, 0, 0.3);
	cursor: pointer;
}

.description {
	position: absolute;
	top: 35%;
	left: 50%;
	transform: translate(-50%, -50%) rotateZ(-45deg);
	padding: 2em 1em;
	width: 100%;
	font-size: 1.3rem;
	text-align: center;
	color: #fff;
	z-index: 1;
}
.description::after {
	content: '';
	position: absolute;
	top: 0;
	left: -200%;
	height: 100%;
	width: 500%;
	background-color: rgba(0, 0, 0, 0.3);
	z-index: -1;
}

.shadow, .modal-shadow {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background-color: rgba(0, 0, 0, 0.6);
}

.modal {
	display: flex;
	flex-direction: column;
	position: absolute;
	margin: 2em;
	padding: 2em;
	border: 1px solid #000;
	list-style-position: inside;
	border-radius: 15px;
	box-shadow: 0 0 5px #000;
	font-size: 1.5rem;
	z-index: 0;
	background-color: rgb(135, 184, 237);
	overflow: hidden;
}

.modal h1 {
	text-align: center;
	margin-bottom: 1em;
}

.modal ol {
	display: flex;
	flex-direction: column;
	z-index: 2;
}
.modal ol li {
	position: relative;
	padding: 0.5em 1em 0.5em .3em;
	min-width: 140px;
	border-radius: 5px;
}

.modal ol li::after {
	content: '';
	position: absolute;
	bottom: 0;
	left: 0;
	width: 100%;
	border-bottom: 1px solid #000;
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 0.3s;
}

.modal ol li:hover::after {
	transform: scaleX(1);
}

.modal ol li.active{
	background-color: rgb(135, 184, 237);
	box-shadow: 0 0 15px #000;
}

.modal p {
	padding-top: 2em;
}
.close-btn {
	margin-top: 2em;
	padding: 0.5em 2em;
	align-self: center;
	background-color: #fff;
	box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
	z-index: 2;
}

.numbers {
	position: absolute;
	bottom: -2px;
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	padding: 0 1em;
	width: 100%;
	font-size: 2rem;
	z-index: 10;
}
.numbers p {
	position: relative;
	border: 1px solid #000;
	width: 25px;
	border-radius: 50%;
	padding: 0 0.28em;
	margin-left: 1em;
	margin-right: 3.46em;
	margin-bottom: 1em;
	background-color: #fff;
	box-shadow: 0 0 4px rgba(0, 0, 0, 0.5);
}
.numbers p::after {
	content: '';
	position: absolute;
	left: 50%;
	top: 50%;
	width: 25px;
	height: 100%;
	padding: 0.3em;
	transform: translate(-50%, -50%);
	border: 2px solid #ddd;
	border-radius: 50%;
	opacity: 0;
}
.numbers p.active::after {
	animation: pulse 1s linear infinite;
}
.hidden {
	display: none;
}

@keyframes pulse {
	0% {
		transform: translate(-50%, -50%) scale(0.5);
		opacity: 0;
	}
	50% {
		transform: translate(-50%, -50%) scale(0.8);
		opacity: 1;
	}
	100% {
		transform: translate(-50%, -50%) scale(1.8);
		opacity: 0;
	}
}

@media (min-width: 400px) {
	body {
		height: 100vh;
	}
	.color-hex {
		font-size: 1.6rem;
	}
	.description {
		font-size: 1.6rem;
	}
	.color-box {
		height: 92vh;
	}
}