html, body {
	margin: 0;
	padding: 0;
	height: 100%;
	width: 100%;
}

body {
	font-family: sans-serif;
	background-color: #eee;
	color: #222;
	line-height: 1.5;

	display: flex;
}

a button {
	color: #222;
}

* {
	box-sizing: border-box;
}

input, button, textarea {
	font: inherit;
	color: inherit;
	vertical-align: middle;
	margin: 0;
}
button, input[type=submit], input[type=button] {
	padding: 0 0.5em;
	cursor: pointer;
	font-size: 90%;
	font-variant: all-small-caps;
	background-color: #fff;
	border: 1px solid #aaa;
}

h1 {
	text-align: center;
	line-height: 1.2;
	margin: 0;
}
h1 img {
	width: 1em;
	height: 1em;
	vertical-align: middle;
}

.sidebar, .main-area {
	height: 100%;
	overflow-y: hidden;
	display: grid;
}
.sidebar {
	width: 300px;
	overflow: hidden;
	grid-template-rows: auto 1fr;
	border-right: 1px solid #aaa;
}
.main-area {
	flex-grow: 1;
	grid-template-rows: auto 1fr auto;
	position: relative;
}

.sidebar-head {
	background-color: #e5e5e5;
	padding: 0.5em;
	border-bottom: 1px solid #aaa;
}

#channel_list {
	padding: 0;
	height: 100%;
	overflow-x: hidden;
	overflow-y: scroll;
}
#channel_list a {
	text-overflow: ellipsis;
	overflow: hidden;
	white-space: nowrap;
	width: 300px;
	display: block;
	padding: 2px 10px;
	color: #333;
	text-decoration: none;
}
#channel_list a:hover {
	background-color: #e5e5e5;
}
#channel_list .active a {
	background-color: #ddd;
}
#channel_list :first-child a {
	padding-top: 5px;
}
#channel_list :last-child a {
	padding-bottom: 5px;
}
#channel_list .team-name {
	color: #888;
}
#channel_list .separator {
	color: #888;
	margin: 0 1px;
}

ul#channel_list, ul#server_selection_list {
	list-style: none;
	margin: 0;
}
ul#server_selection_list {
	padding-left: 0;
	font-size: 90%;
}

.centered {
	width: 100%;
	max-width: 700px;
	margin: 0 auto;
	position: relative;
}

#channel_header {
	box-sizing: content-box;
	min-height: 1em;
	padding: 10px;
	border-bottom: 1px solid #aaa;
	background-color: #e5e5e5;
}
#channel_header .team-name {
	color: #888;
}
#channel_header .separator {
	color: #888;
	margin: 0 3px;
}

#channel_contents_wrapper {
	overflow-x: hidden;
	overflow-y: scroll;
	padding-left: 12px;
	height: 100%;

	transition-property: background-position, border;
	transition-duration: 0.1s;

	background-position-y: calc(100% + 50px);
	background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.08));
	background-size: 1px 50px;
	background-repeat: repeat-x;

	border-bottom: 1px solid rgba(170, 170, 170, 0);
}
#channel_contents_wrapper.new-messages {
	background-image: linear-gradient(to bottom, rgba(0, 0, 255, 0), rgba(0, 0, 255, 0.1));
}
#channel_contents_wrapper.not-at-bottom {
	transition-duration: 0.5s;
	background-position-y: 100%;
	border-bottom-color: rgba(170, 170, 170, 0.5);
}
#channel_contents {
	text-rendering: optimizeLegibility;
	width: 100%;
	height: 100%;
	padding: 0 10px;
}
.compose-wrapper {
	padding: 5px 8px;
}
#compose {
	width: 100%;
	resize: none;
	overflow: hidden;
	padding: 0.2em 0.3em;
}

#login {
	display: none;
	text-align: center;
}
#login h2 {
	margin-bottom: 0.3em;
}
#login:target {
	display: block;
}
#login input[type=text], #login input[type=password] {
	width: 100%;
}
#login_server {
	margin-bottom: 1em;
}
.login-form {
	margin-bottom: 0.5em;
}

.post {
	margin: 1em 0 0.2em;
	display: grid;
	grid-template-rows: auto auto;
	grid-template-columns: auto auto;
}
.post.same_author {
	margin-top: 0.2em;
}
.post:first-child {
	margin-top: 8px;
}
.post:last-child {
	margin-bottom: 8px;
}
.post:hover {
	background-color: #e4e4e4;
}

.post .author {
	grid-row: 1;
	grid-column: 1;
	font-size: 80%;
	font-weight: bold;
	align-self: end;
}
.post.same_author .author {
	display: none;
}

.post .create_at {
	text-align: right;
	grid-row: 1;
	grid-column: 2;
	font-size: 80%;
	color: #888;
	align-self: end;
}
.post.same_author .create_at {
	display: none;
}

.post .message {
	line-height: 1.2;
	grid-row: 2;
	grid-column-start: 1;
	grid-column-end: 3;
}

.post ul.attachments {
	margin: 0;
	padding: 0;
	list-style: none;
	font-size: 80%;
}
.post ul.attachments img {
	margin-left: 0.5em;
	vertical-align: middle;
}

.channel-contents-message {
	text-align: center;
	width: 100%;
	height: 100%;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #aaa;
}