:root {
	--primary-color: #61BFCC;
	--secondary-color: #52A1AC;
	--text-color: #143A42;
	--hover-color: #15526B;
	--font-family: verdana, sans-serif;
	--light-bg: #ffffff85;
	--lighter-bg: #4D4D4D00;
	--shadow-color: #49494999;
	--gradient-bg: linear-gradient(#BEE8ED, #52A1AC 75%, #61BFCC);
	--hover-gradient: linear-gradient(#CDF7FC, #61B0BB 75%, #70CEDB);
}

body {
	font-family: var(--font-family);
	margin: 0;
	padding-top: 88px;
	min-height: 100vh;

background:
		linear-gradient(
			rgba(190, 232, 237, 0.45),
			rgba(82, 161, 172, 0.45)
		),
		lightblue url("assets/skybox.png") repeat fixed;
}

nav {
	display: flex;
	width: 640px;
	margin: 0 auto;
	height: 100%;
}
header{
	border-radius: 2px 2px 0 0;
}

header nav a {
	height: 32px;
	background: var(--gradient-bg);
	box-shadow: 0px 4px 6px #494949;
	text-align: center;
	color: black;
	margin-right: 4px;
	text-decoration: none;
	display: flex;
	align-items: center;
}

header nav a:hover {
	background: var(--hover-gradient);
	font-size: 16px;
}

header nav h5 {
	width: 100px;
	margin: auto 20px;
}

header nav img {
	position: relative;
	bottom: 40px;
}

ul {
	padding: 10px 50px;
	width: 540px;
	min-height: 100vh;
	background: linear-gradient(#fff, var(--light-bg) 25%, var(--light-bg) 98%, var(--lighter-bg) 100%);
	box-shadow: 0px 4px 6px var(--shadow-color);
	line-height: 14px;
	border-radius: 2px 2px 0 0;
}

footer {

	position: fixed;
	bottom: 0;
	width: 100%;
	height: auto;
	display: flex;
	justify-content: center;
}

.footer-inner {
	width: 100%;
	max-width: 640px;
	margin: 0 auto;
	padding: 6px 16px;
	text-align: center;
	background: linear-gradient(
		rgba(255, 255, 255, 0.65),
		rgba(255, 255, 255, 0.35)
	);
	box-shadow: 0px 4px 6px var(--shadow-color);
	border-radius: 2px 2px 0 0;
}

button,
.button {
	font-family: var(--font-family);
	font-weight: bold;
	font-size: .83em;
	color: black;
	text-decoration: none;
	text-align: center;
	background: var(--gradient-bg);
	box-shadow: 0px 2px 3px var(--shadow-color);
	border: 1px solid rgba(0, 0, 0, 0.45);
	margin: 1.5em 0;
	padding: 3px 24px;
	border-radius: 3px;
	cursor: pointer;
}

button:hover,
.button:hover {
	background: var(--hover-gradient);
	box-shadow: 0px 2px 3px var(--shadow-color);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="username"] {
	font-family: var(--font-family);
	background: linear-gradient(#949494, #ABABAB 75%, #DCDCDC);
	border: 1px solid rgba(0, 0, 0, 0.45);
	border-radius: 3px;
	font-weight: bold;
	font-size: .83em;
	padding: 3px 8px;
	box-sizing: border-box;
	box-shadow: 0px 2px 3px var(--shadow-color);
	margin-top: 0px;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus {
	outline: none;
	box-shadow: 0 0 2.5px 1px #61BFCC88;
}

input[type="checkbox"] {
	width: 15px;
	height: 15px;
	appearance: none;
	background: linear-gradient(to bottom, #f7f7f7 0%, #cccccc 84%, #dbdbdb 100%);
	border: 1px solid rgba(0, 0, 0, 0.45);
	border-radius: 2px;
	cursor: pointer;
	position: relative;
	box-shadow: 0px 2px 3px var(--shadow-color);
}

button:active,
.button:hover,
input[type="checkbox"]:hover {
	background: var(--gradient-bg);
	box-shadow: 0 0 2.5px 1px #61BFCC88;
}

input[type="checkbox"]:checked {
	background: linear-gradient(to bottom, #f7f7f7 0%, #cccccc 84%, #dbdbdb 100%);
	box-shadow: 0 0 2.5px 1px #61BFCC88;
}

input[type="checkbox"]:checked::after {
	content: '';
	position: absolute;
	width: 13px;
	box-shadow: 0 3 2.5px 1px #61BFCC88;
	background: url('data:image/svg+xml;charset=UTF-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 14 13"><path d="M0 7.5L2 6L5 9L13 0L14 1L5 13L0 7.5Z" fill="black"/></svg>') no-repeat center center;
	height: 14px;
	background-size: contain;
}

a,
button {
	color: var(--text-color);
}

a:hover,
button:hover {
	color: var(--hover-color);
}

.bars {
	display: flex;
	margin: 0 auto;
	gap: 20px;
	padding: 0 20px;
}

.clickable:hover{filter: brightness(1.2);}