BikeBikeBike/app/assets/stylesheets/_application.scss

@import "bumbleberry";
@import "settings";

$zindex-base: 0;

html, body {
	color: $black;
	position: relative;
	z-index: $zindex-base;
}

body {
	padding-bottom: 20vw;
}

h1, h2, h3, h4, h5, label, button, .button, dt, th, nav.sub-menu {
	@include font-family(secondary);
	font-weight: normal;
}

h2 {
	margin: 0;
	font-size: 6vw;
}

p {
	font-size: 4vw;
}

a {
	text-decoration: none;
	color: $link-colour;
	border-bottom: 0 solid;
	outline: 0;
	position: relative;

	@include after {
		content: '';
		position: absolute;
		border-bottom: 0 solid;
		right: 0;
		bottom: 0;
		left: 0;
		opacity: 0;
		@include _(transition, all 150ms ease-in-out);
		@include _(transform, translateY(-1em));
	}

	&:hover,
	&:active,
	&:focus {
		@include after {
			border-bottom: 0.1em solid;
			opacity: 1;
			transform: translateY(0);
		}
	}
}

.screen-reader-text { 
	clip: rect(1px, 1px, 1px, 1px); 
	height: 1px; 
	width: 1px; 
	overflow: hidden; 
	position: absolute !important;
}

table {
    margin-bottom: 2em;
	margin-left: 1em;
	background-color: #F8F8F8;
	width: 100%;
	@include default-box-shadow(top, 2, true);

	th, td {
		text-align: left;
		padding: 0.25em 0.5em;

		&:first-child {
			padding-left: 1em;
		}

		&:last-child {
			padding-right: 1em;
		}
	}
}

button,
.button {
	@include button;

	#main &[type="submit"] {
		background-color: $colour-5;

		&[value="send"] {
			background-color: $colour-4;
		}
	}

	&.register {
		background-color: $colour-4;
	}

	form.logout & {
		background-color: #666;
	}

	#main &.modify {
		background-color: $colour-5;
	}

	#main &.delete {
		background-color: $colour-4;
	}

	#main &.secondary {
		background-color: $colour-1;
	}

	#main &.subdued {
		background-color: #888;
	}

	#main &.accented {
		background-color: $colour-2;
	}

	&.facebook {
		background-color: #3A5795;
	}
}

a.button {
	@include after {
		border-bottom: 1em solid transparent;
		left: auto;
		bottom: auto;
		@include _(transform, none);
	}
}

nav.sub-menu {
	display: inline-block;
	margin: 2rem 0 0;
	text-align: center;
	
	a {
	    margin: 0 1em 0.5em 0;
		background-color: #E8E8E8;
		color: #888;
		display: inline-block;
		padding: 0.25em 0.75em 0.333em;
		font-size: 0.9em;
		border: 1px solid #AAA;
		border-bottom-width: 0.2em;
		//@include _(text-shadow, 0 0.125em 0.25em #BBB);
		@include _(border-radius, 0.15em);
		@include default-box-shadow(top, 2);
		@include _(text-shadow, 0 0.05em 0.05em #FFF);

		&:hover, &:active, &:focus {
			background-color: #D8D8D8;
		}

		&.current {
			background-color: #CCC;
			color: #666;
			padding: 0.333em 0.75em 0.25em;
		}

		@include after {
			display: none;
		}
	}

	@include breakpoint(medium) {
		border: 1px solid #AAA;
		background-color: #AAA;
		border-bottom-width: 0.125em;
		@include _(border-radius, 0.15em);
		@include default-box-shadow(top, 2);

		a {
			border: 0;
			margin: 0 1px 0 0;
			float: left;
			@include _(border-radius, 0);
			@include _(box-shadow, none);

			&:last-child {
				margin: 0;
			}
		}
	}
}

textarea, .textarea {
	display: block;
	width: 100%;
	min-height: 15em;
	font-size: 1em;
	margin: 1em 0;
	padding: 0.75em;
	border: 0.1rem solid #E8E8E8;
	outline: 0;
	@include _(border-radius, 0.25rem);
	color: inherit;
	background-image: repeating-linear-gradient(135deg, rgba(#000, 0.025), rgba(#000, 0.025) 0.1em, transparent 0.1em, transparent 0.4em);
	@include _(box-shadow, 0 0 0 0 rgba(0,0,0,0.05));
	@include _(transition, box-shadow 200ms ease-in-out);
	will-change: box-shadow;

	&:hover, &:focus, &:active {
		@include _(box-shadow, 0 0 0 0.3em rgba(0,0,0,0.05));
	}
}

.textarea {
	> :first-child {
		margin-top: 0;
	}
	> :last-child {
		margin-bottom: 0;
	}
	p {
		font-size: 1.125em;
	}
}

input {
	&[type="text"], &[type="password"], &[type="telephone"], &[type="search"], &[type="email"], &[type="url"] {
		display: block;
		font-size: 1.25em;
		outline: 0;
		border: 0;
		margin: 1em 0;
		width: 100%;
		padding: 0.25em 0.5em;
		border-bottom: 0.15em solid transparent;
	}
}

.number-field,
.email-field,
.text-field {
	position: relative;
	margin-bottom: 2em;
	color: inherit;

	&.empty {
		label {
			z-index: $zindex-base + 3;
			@include _(transform, translateY(-100%) scale(1));
			background-color: transparent;
			color: #666;
		}
	}

	label,
	&.focused label {
		position: absolute;
		z-index: $zindex-base + 3;
		font-size: 1em;
		padding: 0.25em 0.667em;
		width: auto;
		@include _(transition, 'transform 250ms ease-in-out, color 250ms ease-in-out, background-color 250ms ease-in-out');
		top: 100%;
		left: 0;
		@include _(transform, translateY(0) scale(0.75));
		@include _(transform-origin, 0 0);
		line-height: 1.5em;
		background-color: transparent;
		color: $black;
		cursor: text;
		will-change: transform, color, background-color;
	}

	input {
		margin: 0;
		position: relative;
		z-index: $zindex-base + 2;
		padding: 0.15em 0.5em;
		background-color: #F8F8F8;
		@include _(border-radius, 0.25rem);
		@include _(box-shadow, 0 0 0 0 rgba(0,0,0,0.05));
		@include _(transition, box-shadow 200ms ease-in-out);
		background-image: repeating-linear-gradient(135deg, rgba(0, 0, 0, 0.025), rgba(0, 0, 0, 0.025) 0.1rem, transparent 0.1rem, transparent 0.4rem);
		border: 0.1rem solid #E8E8E8;
		will-change: box-shadow;
	}

	&.big input {
		font-size: 2em;
		@include font-family(secondary);

		.composition & {
			margin-top: 1em;
		}
	}

	&:focus, &:active, &:focus {

		label {
			color: $black;
		}
	}
	input {
		&:focus, &:active, &:hover {
			@include _(box-shadow, 0 0 0 0.3em rgba(0,0,0,0.05));
		}
	}
}

@include keyframes(bend) {
	to {
		@include _(transform, skewX(-5deg));
	}
}

.input-field {
	.field-error {
		display: block;
		float: right;
		background-color: rgba($colour-2, 0.333);
		@include font-family(secondary);
		padding: 0.5em 1em;
		margin: 0 0.2em;
		text-align: center;
		@include _(transform, skewX(-15deg));
		@include _(transform-origin, 0 100%);
		@include default-box-shadow(top, 2);
		@include _(animation, bend ease-in-out 500ms infinite alternate both);
	}

	&.check-box-field {
		&.has-error {
			margin-top: 3em;
		}

		.field-error {
			position: absolute;
			bottom: 100%;
			right: 0;
			margin-right: 0;
		}
	}
}

.input-field.other-field label {

	input {
		float: left;
		margin: 0.33em 0;

		&:checked {
			+ div input {
				z-index: $zindex-base + 2;
				@include _(opacity, 1);
			}
		}
	}

	div {
		float: left;
		position: relative;
		margin: 0 0.25em;
		font-size: 1em;

		input {
			//display: none;
			@include _(opacity, 0);
			@include _(transition, opacity 250ms ease-in-out);
			z-index: $zindex-base;
			position: absolute;
			width: auto;
			margin: 0;
			border: 1px solid #CCC;
			height: 1.5em;
			left: 0;
			top: 0;
		}
	}
}

.number-field {
	display: inline-block;
	font-size: 1.5em;

	input {
		text-align: right;
	}
}

.input-field-help {
	margin-bottom: 1em;
	margin-left: 1em;
}

.check-box-field,
.check-box-field.vertical,
.radio-button-field {
	@include clearfix;
	margin-bottom: 3em;
	position: relative;
	@include default-box-shadow(top);
	
	label {
		display: block;
		background-color: #FFF;
		height: 2.333em;
		font-weight: normal;
		font-size: 1.25em;
		@include font-family(secondary);
		text-align: center;
		position: relative;
		padding: 0.5em 0.5em 0.5em 3em;
		cursor: pointer;
		border: 0.1em solid;
		border-top: 0;
		overflow: hidden;
		white-space: nowrap;
		text-overflow: ellipsis;
		@include _(transition, #{'transform, background-color 100ms, 100ms ease-in-out, ease-in-out'});

		@include before-and-after {
		 	content: '';
		 	position: absolute;
		 	@include _(transition, transform 200ms ease-in-out);
		 }

		@include before {
			content: '';
			position: absolute;
			top: 0;
			left: 0;
			width: 2.333em;
			height: 100%;
			border-right: inherit;
		}

		@include after {
			content: '';
			position: absolute;
			visibility: hidden;
			left: 0.75em;
			top: 0.25em;
			border: 0.2em solid #FFF;
			width: 0.75em;
			height: 1.5em;
			border-width: 0 .2em 0.2em 0;
			@include _(transform, rotate(45deg) scale(0));
		 	@include _(transition, transform 200ms cubic-bezier(0, 0.38, 0.9, 2));
		}
	}

	input:first-child + label {
		border: 0.1em solid;
	}

	input {
		position: fixed;
		opacity: 0 !important;
    	left: -100000px;
    	z-index: -10;

		&:checked + label {
			@include before {
				background-color: $colour-5;
			}
			@include after {
				visibility: visible;
				@include _(transform, rotate(45deg) scale(1));
			}
		}

		&:hover + label {
			@include before {
				background-color: $colour-3;
			}
		}
	}

	.other {
		position: absolute;
		top: 0;
		right: 0;
		bottom: 0;
		left: 2.333em;

		input {
			z-index: 1;
			opacity: 1!important;
			position: static;
			margin: 0;
			font: inherit;
			height: 100%;
			text-align: inherit;
			cursor: inherit;
		}
	}
}

.check-box-field.vertical {
	display: block;
	margin: 0 2em 5em;
	font-size: 0.75em;
}

// .check-box-field {
// 	label {
// 		color: $white;
// 		font-weight: normal;
// 		@include font-family(secondary);
// 		@include _(text-stroke, 0.5px #000);

// 		@include before {
// 			font-size: 0.6em;
// 			bottom: -0.8em;
// 		}

// 		@include after {
// 			font-size: 0.3em;
// 			bottom: -0.5em;
// 		}
// 	}
// }

.radio-button-field {
	label {
		width: 7em;
		height: 5em;
	}
}
.single-check-box-field,
.single-radio-button-field {
	margin-left: 1em;
}

.date-span {
	margin-left: 1em;

	label, input {
		display: block;
		height: 1.5em;
		margin: 0 0.5em 1em 0;
	}

	label {
		height: 1.5em;
	}

	input {
		@include default-box-shadow(top);
		background-color: $colour-1;
		color: $white;
		border: 0;
		padding: 0 0.25em;
		font-weight: normal;
		@include font-family(secondary);
		@include _(text-stroke, 0.5px #000);
	}

	.date-labels {
		float: left;
	}

	.date-field {
		overflow: auto;
	}
}

form {
	&.composition {
		textarea {
			height: 16em;
		}
	}
}

.flex-form, .flex-column {
	button, .button {
		width: 100%;
		text-align: center;
	}
}

.actions {
	text-align: center;
	margin: 0 1em;

	button, .button {
		margin: 0 0.25em;
	    vertical-align: middle;
	}

	&.left {
		text-align: left;
	}

	&.right {
		text-align: right;

		.note {
			float: left;
			color: $colour-1;
			font-weight: bold;
			font-size: 1.25em;
		}

		.left {
			float: left;
		}
	}

	.conferences-view_workshop & {
	    margin-bottom: 5em;
	}

	&.next-prev {
		display: flex;
		flex-direction: row-reverse;
		margin: 0;
	}
}

ul.warnings {
	list-style: none;
	padding: 0;
}

ul.warnings li,
.warning-info {
 	position: relative;
 	min-height: 4em;
	border: 0.2em solid rgba(0, 0, 0, 0.1);
	background-color: rgba($colour-3, 0.333);
	padding: 1em 1em 1em 4em;
	@include font-family(secondary);
	text-align: left;
	margin: 1em;
	width: auto;
	@include default-box-shadow(top, 2);

	@include before {
		content: '!';
		display: block;
		position: absolute;
		top: 0.5em;
		left: 0.5em;
		width: 1.5em;
		height: 1.5em;
		background-color: $black;
		color: $white;
		text-align: center;
		line-height: 1.5em;
		font-size: 1.5em;
		background-color: $colour-3;
		@include _(border-radius, 50%);
		@include default-box-shadow(top, 2);
	}
}

.warning-info {
	display: inline-block;
	margin: 0;
	vertical-align: bottom;
}

::-webkit-resizer {
    visibility: hidden;
    cursor: nw-resize;
}

@include selection {
	background-color: rgba($colour-2, 0.75);
	color: rgba($white, 0.75);
}

#main-nav {
	@include font-family(secondary);
	overflow: hidden;

	.nav {
		position: fixed;
		z-index: 100;
		bottom: 0;
		left: 0;
		right: 0;
		padding: 0;
		font-size: 6vw;
		background-color: #FFF;
		@include _-(display, flex);
		@include _(box-shadow, 0 0 2em -0.5em rgba(0, 0, 0, 0.5));

		a.policy {
			background-color: $colour-5;
			@include _(order, 1);
		}

		a.about {
			background-color: $colour-3;
			@include _(order, 1);
		}

		form, .register {
			background-color: $colour-2;
		}

		a, form {
			width: 33%;
			@include _(flex, 1);
		}
		
		a, form, button {
			text-align: center;
			padding: 0;
			margin: 0;
		}

		a, button {
			display: inline-block;
			font-weight: normal;
			padding: 0.5em 0;
			color: #FFF;
			@include _(border-radius, 0);
			@include _(box-shadow, inset 0 0 1.5em 0.25em rgba(0, 0, 0, 0.125));
			@include _(text-shadow, 0 0 0.25em rgba(0,0,0,0.5));

			@include after {
				display: none;
			}

			.title {
				font-size: 0.8em;
			}
		}

		button {
			background-color: transparent;
			border: 0;
			font-size: 1em;
			width: 100%;
			@include _(text-stroke, 0);

			@include before {
				display: none;
			}
		}

		form {
			display: inline;
		}

		.strlen-12, .strlen-13 {
			.title {
				font-size: 0.7em;
			}
		}

		.strlen-14, .strlen-15 {
			.title {
				font-size: 0.6333em;
			}
		}
	}

	.logo {
		font-size: 5em;
	}

	.user-nav-bar {
		position: absolute;
		right: 0;
		width: auto;
		text-align: right;
		top: 1em;
		font-size: 0.9em;
		width: 100%;
		padding-left: 13em;

		a {
			display: block;
			padding: 0.5em 0;
			color: $black;
			z-index: 1;

			&:after {
				display: none;
			}
		}

		.my-account {
			overflow: hidden;
			text-overflow: ellipsis;
		}
	}
}

#registration-steps {
	ul {
		display: block;
		position: relative;
		list-style: none;
		padding: 0;
		margin-top: -1em;
		overflow: hidden;
		text-align: center;
		@include default-box-shadow(top, 2);
		@include _(border-radius, 0.15em);
		@include clearfix;
	}

	li {
		position: relative;
		display: block;
		@include font-family(secondary);
		color: $white;
		background-color: #BBB;
		border: 0;
		padding: 1em 1.5em;
		font-size: 1.25em;
		outline: 0;
		cursor: default;
		@include _(text-stroke, 1px rgba(0, 0, 0, 0.25));
		
		@include after {
			content: '';
			position: absolute;
			z-index: 1;
			top: 2.25em;
			left: 0;
			right: 0;
			width: 1.25em;
			height: 1.25em;
			margin: auto;
			border: 0 solid;
			border-width: 0.1em 0.1em 0 0;
			background-color: inherit;
			@include _(transform, rotate(135deg));
			@include _(transition, 'transform 200ms ease-in-out, background-color 200ms ease-in-out');
			@include _(box-shadow, 0.2em -0.1em 0.8em -0.4em #000);
		}

		&.enabled {
			background-color: $colour-5;
		}

		&.current {
			background-color: lighten(desaturate($colour-5, 33%), 15%);
		}

		&:last-child {
			padding-right: 1.5em;

			@include after {
				display: none;
			}
		}
	}

	a {
		color: inherit;

		@include before {
			content: '';
			position: absolute;
			top: 0;
			right: 0;
			bottom: 0;
			left: 0;
		}

		@include after {
			display: none;
		}
	}
}

#main {
	position: relative;
	max-width: (rems(68) - $sidebar-width) * 2;
	background-color: $white;
	padding-bottom: rems(2);

	article {
		padding: rems(2.5) 7.5%;

		&.supplementary {
			margin: rems(1) 7.5%;
			overflow: hidden;
			@include _(border-radius, 0.33em);
			border: 0.1rem solid #DDD;
			background-color: #F7F7F7;
			@include default-box-shadow(top, 2);
		}

		figure {
			float: left;
			background-size: cover;
			background-position: center;
			background-repeat: no-repeat;
			width: 33%;
			height: 12em;
			margin-left: -1em;
			margin-top: 2em;
			margin-right: 1.5em;
			margin: 2em 1.5em 1.5em -1.5em;
		}
	}
}

a.logo {
	display: inline-block;
	font-size: rems(5);
	text-decoration: none;
	padding: 0.1em;
	border: 0;
	float: left;
	overflow: auto;
	@include clearfix;

	&:hover,
	&:active,
	&:focus {
		@include after {
			display: none;
		}
	}
}

@if capable_of(svg) {

	@include keyframes(active-logo) {
		0% { fill: $colour-1; }
		15% { fill: $colour-5; }
		30% { fill: $colour-3; }
		45% { fill: $colour-4; }
		60% { fill: $colour-2; }
	}

	@include keyframes(banner-load) {
		0% { fill: #888; }
	}

	svg.bb-icon-logo {
		fill: $colour-1;
	}
	svg.bb-icon-logo-text {
		fill: $black;
	}

	.logo:hover svg.bb-icon-logo {
		@include _(animation, active-logo 4s infinite);
	}
}

.logo .icons {
	display: inline-block;
	height: 1em;
	width: 1em;
	float: left;
}

#banner {
	clear: left;
	float: none;
	margin: 1em auto 0;
	text-align: center;

	body.home & {
		max-width: 40em;
	}

	figure {
		position: relative;
		width: 100%;
		max-width: rems(60);
		margin: 0;
	}

	img {
		width: 100%;
	}

	.title {
		font-size: 5vw;
		margin: 1em auto 2em;

		h1, h2 {
			margin: 0;
		}

		h2 {
			font-size: 1.15em;
		}
	}
}

$header-tilt: 8deg;

#header-title {
	font-size: 2.25vw;
	background-size: cover;
	background-position: 50% 20%;
	background-repeat: no-repeat;
	background-color: $colour-1;
	color: #EEE;
	overflow: hidden;
	position: relative;
	z-index: $zindex-base;

	.row, .columns {
		position: static;
	}

	rect {
		fill: $colour-1;
	}

	svg {
		.colour-1 { fill: $colour-1; }
		.colour-2 { fill: $colour-2; }
		.colour-3 { fill: $colour-3; }
		.colour-4 { fill: $colour-4; }
		.colour-5 { fill: $colour-5; }
	}

	.cover {
		position: absolute;
		top: 0;
		right: 0;
		bottom: 0;
		left: 0;
		z-index: $zindex-base;
		background-size: inherit;
		background-position: inherit;
	}

	@if capable_of(css-mixblendmode) {
		position: relative;

		.cover {
			-webkit-filter: saturate(25%);
			filter: saturate(25%);
			@include _(mix-blend-mode, multiply);
		}
	}
	
	&.no-image,
	&.short {
		h1 {
			text-align: center;
			font-size: 3.5em;
			margin: 1.75em 0 .75em;
			position: relative;
			z-index: $zindex-base + 2;
			@include _(text-shadow, 0 0 0.15em #000);
		}
	}

	svg {
		display: none;
		position: absolute;
		width: 100%;
		height: 100%;
	}

	.title {
		position: relative;
		padding: 1%;
		overflow: hidden;
		text-align: center;
		@include _(text-shadow, 0 0.2em 0.5em rgba(32, 32, 32, 0.5))
	}

	.background {
		position: absolute;
		@include _(transform, rotate($header-tilt));
		color: $colour-1;
		@include _(opacity, 0.65);
		margin: -4% -2%;
		@if capable_of(calc) {
			font-size: calc(5vw + #{rems(7)});
		} @else {
			font-size: rems(11);
		}
		display: none;
	}

	.details {
		position: relative;
		display: inline-block;
		color: $white;
		@include _(text-shadow, 0 0.2em 0.5em rgba(32, 32, 32, 0.75));
	}

	.primary {
		font-size: 2.5em;
		margin: 0;
	}

	.secondary {
		font-size: 1.5em;
	}
}

#footer {
	padding: 1em;
	
	footer {
		display: flex;
		flex-flow: row wrap;
		font-size: 4.1vw;
	}

	.github,
	ul.locales {
		flex: 1;
		flex-basis: 50%;
	}
	
	.copy {
		@include clearfix;
		text-align: right;
		white-space: nowrap;

		a {
			color: #666;
		}
	}

	.facebook {
		flex: none;
		margin: 0.5em;

		a {
			@include after {
				display: none;
			}
			svg {
				@include _(transition, fill 250ms ease-in-out);
			}
			&:hover, &:active, &:focus {
				svg {
					fill: #3B579D;
				}
			}
		}
	}

	.github, .facebook {
		.icons {
			width: 1.5em;
			height: 1.5em;
			fill: $black;
			vertical-align: middle;
		}
	}

	.github {
		position: relative;
		background-color: $white;
		@include _(border-radius, 0.25em);
		border: 0.1em solid #DDD;
		padding: 0.5em 0.5em 0.5em 2em;
		text-align: center;
		z-index: $zindex-base + 2;
		margin-bottom: 1em;

		a {
			margin: 0 0.5em;
			font-size: 0.8em;
			font-weight: bold;
			color: inherit;
		}

		.icons {
			position: absolute;
			left: 0.5em;
			top: 0.45em;
			@include _(transition, 150ms fill ease-in-out);
		}

		&:hover .icons {
			fill: #4183C4;
		}
	}

	ul.locales {
		margin: 0;
		padding: 0;
		list-style: none;
	}
}

@include breakpoint(medium) {
	body {
		padding-bottom: 0;
	}

	h2 {
		font-size: 2.25em;
	}

	p {
		font-size: 1.333em;
	}

	form {
		&.flex-form {
			display: flex;
			align-items: flex-start;

			.input-field {
				flex: 1;
			}

			button, .button {
				margin-left: 1em;
				height: 2.6em;
			}
		}
	}

	.flex-column {
		display: flex;
		align-items: flex-start;
		margin-top: 1em;

		p:first-child {
			margin-top: 0;
		}

		.stretch-item {
			flex: 1;
			margin-right: 1em;
		}
	}

	.flex-form, .flex-column {
		button, .button {
			width: auto;
		}
	}

	#main-nav {
		.logo {
			margin-top: 0.25em;
			font-size: 4.25em;
		}

		.nav {
			position: static;
			font-size: 1.8em;
			display: block;
			text-align: right;
			background-color: transparent;
			@include _(box-shadow, none);

			form {
				background-color: transparent;
			}
		}

		.nav a, .nav button {
			width: auto;
			min-width: 3.5em;
			overflow: visible;
			margin-left: 0.725em;
			line-height: 3em;
			padding: 0 0 1em;
			color: $black;
			@include _(box-shadow, none);
			@include _(text-shadow, none);

			@include before-and-after {
				content: '';
				display: block;
				position: absolute;
				background-color: rgba(0, 0, 0, 0.33);
				z-index: -1;
				margin: 0;
				border: 0;
				font-size: 1em;
				left: -0.51em;
				right: -0.51em;
				top: 0;
				height: 0;
				width: auto;
				@include _(opacity, 1);
				@include _(transition, height 150ms ease-in-out);
				@include _(transform, rotate(-20deg) scaleX(0.94) scaleY(1.5) translate(-0.5em, -0.5em));
				@include _(transform-origin, 0 0);
			}

			@include after {
				height: 3em;
				@include _(opacity, 0.1);
			}
			@include before {
			    box-shadow: 0 0 2em -0.5em rgba(#000, 0.75);
				@include _(opacity, 0.33);
			}

			&.current {
				z-index: 2;

				@include before {
					height: 3em;
					@include _(opacity, 0.67);
				}				
			}

			&:hover {
				@include before {
					height: 3em;
				}
			}
		}

		.nav a {
			&[class] {
				background-color: transparent;
			}

			&.policy {
				@include before-and-after {
					background-color: $colour-5;
				}
			}

			&.about {
				@include before-and-after {
					background-color: $colour-3;
				}
			}
		}

		.nav a.register, .nav button {
			@include before-and-after {
				background-color: $colour-2;
			}
			&:focus, &:active {
				@include _(transform, none);
			}
		}

		.user-nav-bar {
			top: 0;
			left: 0;
			right: auto;
			width: auto;
			float: none;
			text-align: left;
			background-color: #EEE;
			@include _(border-radius, 0 0 0.5em 0);
			font-size: 0.8em;
			padding: 0 1em 0 0.5em;
			@include default-box-shadow(top, 2);

			a {
				display: inline-block;
				padding: 0.25em 0;

				&:hover {
					color: lighten($black, 25%);
				}
			}

			.my-account {
				max-width: none;
				overflow: visible;

				@include after {
					content: '|';
					display: inline;
					@include _(opacity, 0.25);
					position: static;
					margin: 0 0.5em;
				}
			}
		}
	}

	#banner {
		margin: 3em auto;

		figure {
			min-height: 40em;
			margin: rems(-20) auto rems(2);
		}

		.title {
			font-size: 1.9em;
			margin: 3em 0 1em;
		}

		img {
			@include _(box-shadow, 0 0 2em -0.5em rgba(0, 0, 0, 0.5));
		}
	}
	
	#registration-steps {
		ul {
			display: inline-block;
			text-align: left;
			margin-top: -4em;
		}

		li {
			display: inline-block;
			float: left;

			@include after {
				content: '';
				top: 1.125em;
				left: auto;
				right: -0.25em;
				@include _(transform, rotate(45deg));
			}

			&.enabled:hover,
			&.enabled:hover ~ li {
				@include after {
					@include _(transform, rotate(-135deg));
					background-color: transparent;
				}
			}
		}
	}

	ul.warnings {
		li {
			margin: 1em 4em;
		}
	}

	.warning-info {
		margin-left: 1em;
	}

	#main {
		clear: right;

		.columns {
			form {
				margin-top: 2em;
			}
		}
	}

	#header-title {
		min-height: rems(35);
		font-size: 1em;

		&.short {
			font-size: 2em;
			min-height: rems(15);

			h1 {
				position: absolute;
				bottom: 0;
				text-align: left;
				font-size: 2em;
			}

			@include before {
				content: '';
				position: absolute;
				top: 0;
				right: 0;
				bottom: 0;
				left: 0;
				z-index: $zindex-base + 2;
				@include _(box-shadow, inset 0 -13rem 3em -4rem rgba(0, 0, 0, 0.8));
				@include _(transition, opacity 250ms ease-in-out);
			}
		}

		&.no-image {
			min-height: 0;
			font-size: 1em;
		}

		svg {
			display: block;
		}

		svg rect {
			@include _(animation, banner-load 1s ease-in-out);
		}

		.title {
			text-align: left;
			width: 110%;
			background-color: rgba($white, 0.5);
			@include _(transform, rotate(-$header-tilt) translate3d(0, 0, 0));
			@include _(transform-origin, 0 100%);
		}

		.details {
			text-align: right;
			color: #000;
		}

		.background {
			display: block;
		}
		
		.primary {
			padding: 12% 0 0 0.25em;
		}
	}

	#footer {
		footer {
			font-size: 1em;
		}

		.github {
			flex: none;
			flex-basis: auto;
			bottom: 0.5em;
			float: left;
			margin-right: 1em;
			margin-left: 1em;
		}
		.facebook {
			margin: 0;
		}
		ul.locales {
			flex: none;
			flex-basis: auto;
			flex-grow: 1;
		}
	}

	.check-box-field,
	.radio-button-field {
		display: flex;

		label {
			flex: 1;
			border: 0.1em solid;
			border-left: 0;
			text-align: left;
		}

		input:first-child + label {
			border: 0.1em solid;
		}
	}
}

@include keyframes(fade-out) {
	to {
		@include _(opacity, 0.25);
	}
}

body :focus,
input[type="submit"]:focus,
.check-box-field input:focus + label,
.radio-button-field input:focus + label {
	@include _(animation, fade-out ease-in-out 500ms infinite alternate both);
}

input:focus,
textarea:focus,
.textarea {
	@include _(animation, none);
}

@include breakpoint(large) {
	#main-nav {
		.nav {
			font-size: 1.9em;
			margin-top: 0;
		}

		.user-nav-bar {
			@include _(border-radius, 0 0 0.5em 0.5em);
			padding: 0 1em;
			font-size: 1em;
		}
	}

	#banner {
		body.fixed-banner & {
			position: fixed;
			top: 0;
			right: 0;
			left: $sidebar-width;
			z-index: $zindex-base + 2;
		}

		figure {
			width: 90%;
		}
	}
	
	#main {
		padding-left: $sidebar-width;
	    min-height: 100vh;
	}

	#header-title {
		&.no-image {
			min-height: 0;
		}
		&.short {
			min-height: rems(25);
		}
		&.no-image,
		&.short {
			h1 {
				text-align: left;
				margin: 0.67em 0;
			}
		}
	}

	#main-nav .logo {
		font-size: 5em;
	}

	a.logo {
		display: block;
		float: none;
		padding: 0.2em;
	}

	.actions {
		margin: 4em 2em 0 0;
	}
	
	#footer {
		overflow: visible;
		padding: 0;
		width: 100%;
		height: 3em;

		footer {
			max-width: $row-width;
			margin: 0 auto;
		}
	}
}

@mixin header-colour($page, $colour) {
	body.#{$page} {
		#header-title {
			background-color: $colour;

			rect {
				fill: $colour;
			}
		}
	}
}

@include header-colour(about, $colour-3);
@include header-colour(policy, $colour-5);

#bike_small + label {
	padding: 0.5em 2.5em;
}

#bike_medium + label {
	padding: 0.5em 1.5em;
}

#main .three-options {
	text-align: center;

	button {
		background-color: $colour-4;
		width: 6em;
		font-size: 1.5em;
		margin: 0.25em;

		&:first-child {
			background-color: $colour-3;
		}

		&:last-child {
			background-color: $colour-5;
		}
	}
}

#main .skip {
	button {
		background-color: #CCC;
	}
}

#main form.payment {
	text-align: center;

	input[type="number"] {
		margin-top: 1em;
		font-size: 1.5em;
		text-align: center;
		width: 4em;
		height: 1.9em;
		border: 0;
		@include default-box-shadow(top);
		background-color: $black;
		color: $colour-3;
		vertical-align: bottom;
	}

	> button {
		background-color: $colour-1;
	}

	.currency {
		color: #888;
		font-size: 1.667em;
	}
}

#main ul.workshops {
	list-style: none;
	padding: 0;// 1em;
	text-align: center;
	@include default-box-shadow(top, 2, true);
	background-color: #F8F8F8;

	li {
		display: inline-block;
		margin: 0.5em;
		vertical-align: middle;

		@include before {
			content: '';
			display: none;
			position: fixed;
			top: 0;
			right: 0;
			bottom: 0;
			left: 0;
			background-color: #000;
			z-index: 99;
			@include _(opacity, 0.5);
		}

		&.view {
			@include before {
				display: block;
			}
			
			.info {
				//display: block;
				left: 0;
				right: 0;
				top: 50%;
				@include _(transform, translateY(-50%) scale(1));

				@include breakpoint(large) {
					left: 19rem;
				}
			}
		}
	}

	h4, h5 {
		color: $white;
		background-color: $colour-1;
		@include _(text-stroke, 1px rgba(0, 0, 0, 0.25));
	}

	h4 {
		max-width: 10em;
		cursor: pointer;
		margin: 0;
		padding: 1em;
		position: relative;
		@include default-box-shadow(top);
		@include _(transition, transform 100ms ease-in-out);

		&:hover {
			z-index: $zindex-base + 3;
			@include _(transform, scale(1.25));
		}
	}

	h5 {
		font-size: 1.5em;
		margin: 0;
		padding: 0.5em 1em;

		+ p {
			margin-top: 0;
		}
	}

	p {
		padding: 1em;
		max-height: 50vh;
    	overflow-y: auto;
	}

	form {
		text-align: center;
	}

	button {
		margin: 1em 0.5em;
	}

	[contenteditable] {
		outline: none;
	}

	.info {
		position: fixed;
		background-color: $white;
		color: $black;
		left: auto;
		right: auto;
		top: auto;
		z-index: 100;
		max-width: 40em;
		max-height: 40em;
		margin: auto;
		text-align: left;
		@include _(transition, all 250ms ease-in-out);
		@include _(transform, translateY(0) scale(0));
		@include default-box-shadow(top);
	}

	[value="delete"] {
		background-color: $colour-2;
	}

	[value="cancel"] {
		background-color: $colour-4;
	}
}

.conferences-register .policy-agreement {
	padding: 0.25em 1em;
	margin: 0 0 3em;
	border: 0.1em solid #DDD;
    @include _(border-radius, 0.25em);
	@include default-box-shadow(top, 2);
}

body.policy .policy-agreement ul {
	padding: 0 1.5em 0;
}

.stats {
	list-style: none;

	h3 {
		display: inline-block;
	}

	.stat {
		position: relative;
		padding: 0 0.25em;
		margin: 0.5em;
		font-size: 2em;
		display: inline-block;
		color: $white;
		background-color: $colour-1;
		@include default-box-shadow(top, 2);
		@include _(text-stroke, 1px rgba(0, 0, 0, 0.25));

		&.important {
			width: 2em;
			height: 2em;
			line-height: 2em;
			text-align: center;
			@include _(border-radius, 50%);
		}
	}

	.money .stat {
		background-color: $colour-5;
	}

	.percent {
		font-size: 1.5em;
	}

	.value {
		position: relative;
		z-index: $zindex-base + 2;
	}

	.stat-with-label {
		display: inline-block;
		text-align: center;
		vertical-align: middle;
		background-color: $colour-3;
		margin: 0.5em;
		@include default-box-shadow(top, 2);

		.stat {
			margin-top: 0.25em;
		}
	}

	.label {
		padding: 0.5em 0.5em 0;
		font-weight: bold;
	}

	.breakdown {
		text-align: center;
	}
}

.email-preview {
	max-width: 40rem;
	margin: 2em auto 0;
	padding: 0.25em 1em;
	background-color: #F8F8F8;
	@include default-box-shadow(top, 2, true);
}

.facilitators {
	display: inline-block;

	.facilitator {
		margin: 0 0 0.5em 1.25em;
	}

	.name {
		position: relative;
		font-weight: bold;

		@include before {
			content: '';
			position: absolute;
			width: 0.3em;
			height: 0.3em;
			background-color: #333;
			border-radius: 50%;
			left: -0.75em;
			top: 0.5em;
			@include _(opacity, 0.5);
		}
	}

	.name, .role {
		display: inline;
	}

	.role {
		color: #666;
		white-space: nowrap;

		@include before {
			content: '(';
		}

		@include after {
			content: '), ';
		}

		&:last-child {
			@include after {
				content: ')';
			}
		}
	}
}

.workshop-previews {
	position: relative;
	list-style: none;
	padding: 0;

	p {
		padding: 0 1rem 0.5rem;
		font-size: 1em;
		color: $black;
	}

	h4 {
		color: $white;
		background-color: $colour-1;
		padding: 0.5em 1em;
		margin: 0;
		@include _(text-stroke, 1px rgba(0, 0, 0, 0.25));
	}

	a {
		display: block;
		max-height: 10em;
		overflow: hidden;
		margin: 0.5em 0;
		@include default-box-shadow(top, 2);
		@include _(transition, transform 150ms ease-in-out);

		&:hover, &:focus, &:active {
			z-index: $zindex-base + 2;
			@include _(transform, scale(1.1));
		}

		@include before {
			content: '';
			position: absolute;
			top: 0;
			right: 0;
			bottom: 0;
			left: 0;
			z-index: $zindex-base + 2;
			cursor: pointer;
			@include _(box-shadow, inset 0em -2em 2em -1em $white);
		}

		@include after {
			 display: none;
		}
	}
}

.froala-wrapper + div {
	width: 0;
	height: 0;
	overflow: hidden;
	opacity: 0;
}

.translated-content.block {
	display: inherit;
}

html[data-lingua-franca-example="html"] {
	$caption-height: 4rem;
	@include _(transform, translateY($caption-height));

	#lingua-franca-window-caption {
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: $caption-height;
		background-color: #CCC;
		z-index: 1000;
		font-size: 1rem;
		@include _(transform, translateY($caption-height * -1));

		.window-tab {
			height: 1.75rem;
			position: relative;
			background-color: #EEE;
			float: left;
			padding: 0.25em 2em 0 1em;
			margin: 0.25em 1em;
			@include _(border-radius, 0.5em 0.5em 0 0);
			color: #444;
			@include font-family(secondary);

			@include after {
				content: '×';
				position: absolute;
				right: 0.5em;
				top: 0.25em;
			}
		}

		i {
			font-style: normal;
		}

		.window-minimize,
		.window-maximize {
			@include after {
				content: '';
				position: absolute;
				top: 0.75em;
				right: 2em;
				border-style: solid;
				border-width: 0 0.5em 0.5em 0.5em;
				border-left-color: transparent;
				border-right-color: transparent;
			}
		}
		
		.window-minimize {
			@include after {
				right: 3.5em;
				border-top-width: 0.5em;
				border-bottom-width: 0;
			}
		}

		.window-close {
			@include after {
				content: '×';
				position: absolute;
				right: 0.25em;
				top: 0.1em;
				font-size: 1.75em;
				line-height: 1em;
			}
		}

		.window-url-bar {
			position: absolute;
			top: $caption-height / 2;
			left: 0;
			width: 100%;
			height: $caption-height / 2;
			background-color: #EEE;

			.url-bar {
				position: absolute;
				top: 0.25rem;
				left: 3.5rem;
				bottom: 0.25rem;
				right: 0.25rem;
				background-color: #FFF;
				border: 1px solid #CCC;
				padding: 0 0.25rem;
				font-size: 0.8em;
				line-height: 1.75em;
			}
		}

		.window-back,
		.window-forward {
			@include after {
				content: '';
				position: absolute;
				left: 0.5em;
				top: 0.5em;
				border-style: solid;
				border-width: 0.5em 0.75em 0.5em 0;
				border-top-color: transparent;
				border-bottom-color: transparent;
				color: #666;
			}
		}

		.window-forward {
			@include after {
				left: 2em;
				border-right-width: 0;
				border-left-width: 0.75em;
			}
		}
	}

	@include translation-pointer;
}

.workshop-list {
	list-style: none;
	padding: 0 2em;

	.workshop-description {
		max-height: 10em;
		padding: 1em;
		overflow: hidden;
	}

	> li {
		margin-bottom: 1em;
		border: 0.2em solid;
		@include _(border-radius, 0.25em);

		> a {
			display: block;
			color: inherit;

			@include after {
				display: none;
			}
		}

		ul {
			padding-left: 2.5em;
			margin-bottom: 1.5em;
		}

		li {
			border: 0;
		}

		&:hover {
			@include default-box-shadow;
		}

		&.interested {
			.workshop-interest {
				background-color: rgba($colour-5, 0.5);
			}
		}

		&.mine {
			.workshop-interest {
				background-color: lighten($colour-1, 25%);
				background-color: rgba($colour-1, 0.5);
			}
		}
	}

	.title {
		margin: 0;
		background-color: $black;
		color: #FFF;
		padding: 0.25em 0.5em 0.5em;
	}

	p {
		margin-top: 0;
		font-size: 1em;
	}

	.workshop-interest {
		padding: 0.5em 1em;
		font-weight: bold;
		background-color: #EEE;
	}
}

#main .workshop-interest {
	text-align: right;

	form {
		display: inline;
	}

	button {
		font-size: 0.9em;
		margin: 1em;
		background-color: $colour-1;

		&.delete {
			background-color: $colour-4;			
		}
	}

	body.home & {
		text-align: left;
		font-style: italic;
		color: #888;
		margin-top: -0.5em;
		margin-bottom: -0.5em;
		margin-left: 1em;
	}
}

.original-text {
	margin: 0 0 1em 1em;
	h4 {
		margin: 0;
	}
	.value {
		margin-left: 1em;
	}
	p {
		font-size: 1.1em;
	}
}

.facilitator .button {
	font-size: 0.9em;
	vertical-align: -0.75em;
}

#main .facilitators .actions {
	margin: 0;
}

#main form.add-facilitator {
	button {
		height: 2.4em;
		font-size: 0.9em;
	}
}

.conferences-edit_schedule {
	#main {
		.location {
			padding-top: 0.25em;
		}
		.errors {
			padding: 0.25em;
			background-color: $colour-2;
			color: $white;
			@include _(text-stroke, 0.5px #000);
		}
		.conflict-score {
			padding: 0.25em;
			background-color: $colour-3;
			color: $black;
		}
		.all-workshops, .all-events {
			list-style: none;
			padding: 0;

			li {
				margin: 0.5em;
				padding: 0.5em;
				border: 1px solid #CCC;
				background-color: lighten($colour-1, 35);
				@include default-box-shadow(top, 2);

				&.error {
					outline: 0.2em solid $colour-2;
					outline-offset: -0.2em;
				}
			}

			h3 {
				margin: 0;
			}

			.workshop-interest {
				color: #888;
				text-align: left;
				margin: 0.25em 0;
			}

			.error-description {
				background-color: $colour-2;
				color: $white;
				padding: 0.5em;
				margin-top: 0.5em;
			}

			.warnings {
				background-color: $colour-3;
				color: $black;
				padding: 0.5em;
				margin-top: 0.5em;
				list-style: none;

				li {
					padding: 0;
					margin: 0;
					background-color: transparent;
					@include _(box-shadow, none);
				}
			}
		}
		.day_parts {
			list-style: none;

			h4 {
				display: inline-block;
				min-width: 12.5em;
				margin: 0.25em 0;
			}

			select, .select {
				float: right;
				min-width: 5em;
			}

			.select {
				padding-left: 0.25em;
			}
		}
		.actions {
			margin: 2em;
		}
		.unsaved {
			@include font-family(secondary);
			background-color: lighten($colour-3, 25);
			margin: 0 5em 2em;
			padding: 0.5em;
		}
		.all-events {
			li {
				background-color: lighten($colour-5, 35);
				
				&.meal {
					background-color: lighten($colour-3, 25);
				}
			}

			h3 {
				margin-bottom: 0.5em;
			}
		}
	}
}

.conferences-schedule {
	.actions {
		margin: 2em;
	}
	
	ul.events, ul.locations {
		list-style: none;

		.button {
			float: left;
			font-size: 1em;
			margin-bottom: 0.5em;
			margin-right: 0.5em;
		}

		h3 {
			display: inline-block;
			margin: 0.25em 0 0;
		}

		li {
			clear: both;
		}
	}
}

.programme {

	.schedule {
		width: auto;
		margin: 0;
		min-width: 100%;
		@include _(box-shadow, none);
		table-layout: fixed;
		border-spacing: 0.25em;
		border-collapse: separate;

		td {
			position: relative;
			vertical-align: middle;

			.title {
				text-align: center;
				@include font-family(secondary);
				color: #666;
			}
			

			&.previewable {
				cursor: pointer;

				&:hover {
					@include default-box-shadow(top, 2);
				}
			}

			&.workshop {
				background-color: lighten($colour-1, 35);
				border: 0.25em solid $colour-1;

				.preview {
					position: absolute;
					top: 0;
					right: 0;
					bottom: 0;
					left: 0;

					@include after {
						display: none;
					}
				}
			}

			&.event {
				background-color: lighten($colour-5, 35);
				border: 0.25em solid $colour-5;
			}

			&.meal {
				background-color: lighten($colour-3, 25);
				border: 0.25em solid $colour-3;
			}

			&.not-interested {
				.title {
					opacity: 0.5;
				}
			}

			.info {
				position: fixed;
				top: 0;
				right: 0;
				bottom: 0;
				left: 0;
				z-index: 1000;
				background-color: $white;
				text-align: left;
				overflow-y: auto;
				@include _(transition, transform 250ms ease-in-out);
				@include _(transform-origin, center bottom);
				@include _(transform, rotate(180deg) translate3d(0, 0, 0));

				.close {
					float: right;
					font-size: 2em;

					@include before {
						content: '×';
						padding: 0 0.5em;
					}

					@include after {
						display: none;
					}
				}

				h2 {
					margin-bottom: 0.5em;
				}
			}

			&:target .info {
				@include _(transform, rotate(0) translate3d(0, 0, 0));
			}
		}
	}

	.programme-day {
		margin-top: 2em;
	}

	.programme-day-part {
		overflow-x: auto;
	}
}

.select-field {
	line-height: 1.75em;

	select {
		display: block;
		width: 100%;
		height: 2.1em;
		font-family: inherit;
		font-size: 1.5em;
		padding: 0.25em;
		@include default-box-shadow(top, 1.5, false);
    }
}