style.css

/**main screen*/

:root {
	--menu-background-color: black;
}

html {
	overscroll-behavior-x: none;
	width: 100%;
	height: 100%;
}

body {
	margin: 0px;
	padding: 0px;
	overflow: hidden;
	user-select: none;
	overscroll-behavior-x: none;
	height: 100%;
	width: 100%;
	background-color: rgb(68, 68, 68);
}

textarea,
input {
	background-color: rgb(47, 47, 47);
	color: oldlace;
	border: 1px solid black;
	padding: 8px;
}

input[type="color"] {
	height: 48px;
}

textarea:focus,
input:focus {
	border: 1px solid rgb(0, 156, 246);
}


.icon {
	height: 32px;
	margin: 0px;
}

canvas {
	margin: 0px;
	padding: 0px;
	z-index: 1;
	cursor: none;
	touch-action: none;
	background-repeat: repeat;
}

#canvasBackground {
	position: absolute;
	z-index: -2;
}

#board {
	position: relative;
	margin: 0px;
	padding: 0px;
}



helpbutton::before {
	content: '?';
	color: yellow;
}


helpbutton {
	display: inline-block;
	background: gray;
	padding: 8px;
}

#content {
	transform-origin: left top;
	position: absolute;
	margin: 0px;
	padding: 0px;

}

#viewport {
	position: absolute;
	border: 20px solid brown;
	background-color: rgb(248, 193, 157);
	opacity: 0.25;
	pointer-events: none;
	cursor: grab;
}


#newviewport {
	position: absolute;
	border: 10px solid brown;
	background-color: rgb(248, 193, 157);
	opacity: 0.25;
	pointer-events: none;
	cursor: grab;
}

.pageNumberHidden {
	visibility: hidden;
}




.toolbar {
	position: absolute;
	background-color: rgba(32, 32, 32, 0.8);
	color: white;
	z-index: 1;
	display: flex;
	justify-content: space-between;
}



.toolbarTop {
	left: 0px;
	right: 0px;
	flex-direction: row;
}

.toolbarBottom {
	bottom: 0px;
	left: 0px;
	right: 0px;
	width: 100%;
	flex-direction: row;
	box-sizing: content-box;
}

.toolbarLeft {
	top: 0px;
	left: 0px;
	width: 0px;
	flex-direction: column;
}

.toolbarRight {
	top: 0px;
	right: 0px;
	width: 90px;
	height: 100%;
	flex-direction: column;
}

.keyboardkeyhelp {
	margin-right: 8px;
	margin-left: 2px;
	background-color: #222;
	transform: rotate(-5deg);
	display: inline-block;
	margin-top: 10px;
	padding: 1px;
}




#container {
	overflow: hidden;
	margin: 0px;
	padding: 0px;
	bottom: 0px;
}

#svg {
	z-index: 0;
	position: absolute;
	top: 0;
	left: 0;
	pointer-events: none;
}


#documentPanel {
	position: absolute;
	top: 0;
	left: 0;
	width: 30000px;
	height: 1000px;
	pointer-events: none;
	z-index: -1;
}


.pdfPage {
	position: absolute;
}



#cursors {
	position: absolute;
	left: 0px;
	top: 0px;
}



#eraserGaugeFrame {
	display: none;
	position: relative;
	box-sizing: content-box;
	width: 32px;
	height: 3px;
	margin: auto;
	border: 2px solid white;
	border-radius: 3px;
	margin-bottom: -7px;
}

#eraserGauge {
	height: 3px;
	box-sizing: content-box;
	width: 0px;
	position: relative;
	top: 0px;
	left: 0px;
	background-color: green;
}

#eraserLvl {
	display: none;
	width: 32px;
	position: absolute;
	top: 5px;
	left: 2px;
	text-align: center;
	color: white;
	font-size: 12px;
}

em {
	color: rgb(220, 255, 168);
	font-weight: italic;
}

a {
	color: rgb(167, 167, 255);
}

/** Magnets **/

#magnetCollectionSearch {
	width: 100%;

}

.magnet {
	position: absolute;
	display: inline-block;
	font-size: 32px;
	font-weight: bold;
	cursor: grab;
}



@keyframes magnetToBackground {
	0% {
		scale: 100%;
	}

	90% {
		scale: 95%;
	}

	100% {
		scale: 100%;
	}
}

.magnetToBackground {
	animation: magnetToBackground 200ms forwards;
}




.graphNode {
	border-radius: 16px;
	background-color: rgb(238, 238, 238);
}

@keyframes magnetToForeground {
	0% {
		scale: 100%;
	}

	90% {
		scale: 105%;
	}

	100% {
		scale: 100%;
	}
}

.magnetToForeground {
	animation: magnetToForeground 200ms forwards;
}




.magnetHighlight {
	box-shadow: 0px 0px 32px 16px rgba(128, 128, 128, 1);
	background: radial-gradient(rgba(128, 128, 128, 0), rgba(128, 128, 128, 0.5));
}





@keyframes pageNumberShow {
	from {
		visibility: visible;
		opacity: 1.0;
	}

	to {
		visibility: hidden;
		opacity: 0.0;
	}
}

.pageNumber {
	position: absolute;
	animation: pageNumberShow 2000ms forwards;
	right: 0px;
	top: 50px;
	padding: 12px;
	font-size: 24px;
	color: white;
	pointer-events: none;
}




#slideNumber {
	position: absolute;
	right: 0px;
	bottom: 0px;
	padding: 12px;
	font-size: 24px;
	color: white;
	pointer-events: none;
}


.magnet:hover {
	box-shadow: 0 2px 4px 0 rgba(255, 255, 255, 1);
}

.magnetDrag {
	cursor: none;
}

.magnetText div {
	background-color: rgba(128, 128, 128, 0.2);
	font-size: 24px;
	cursor: text;
	min-width: 4px;
}

div.magnetText {
	background-color: rgba(128, 128, 128, 0.1);
}


div.magnet {
	padding: 8px;
}


.wrapperMagnetPreview {
	display: inline-block;
	width: 164px;
	height: 24px;
	overflow: hidden;
}

.magnetPreview {
	display: inline-flex;
	position: relative;
	transform: scale(0.4);
	transform-origin: left top;
	font-size: 32px;
	font-weight: bold;
	color: black;
}



img.magnet {
	padding: 0px;
	background-color: rgba(128, 128, 128, 0.2);
}

img.magnet.backgroundTransparent {
	background: none;
}




/** Gale-Shapley, the B's**/
.GS_B {
	color: orange;
	border-radius: 32px;
	padding: 16px;
}






/**menu **/

@keyframes menuShow {
	from {
		opacity: 0;
		top: 64px;
		left: 64px;
		right: 64px;
		bottom: 64px;
		scale: 0.2;
		visibility: hidden;
	}

	to {
		opacity: 1;
		top: 0px;
		left: 0px;
		right: 0px;
		bottom: 0px;
		scale: 1;
	}
}

.menuShow {
	visibility: visible;
	animation: menuShow 200ms normal;
}

.menuHide {
	visibility: hidden;

}

#menu {
	display: flex;
}

.tabs {
	background-color: var(--menu-background-color);
	position: sticky;
	top: 0;
	left: 0;
}


.divMenuHide {
	position: sticky;
	float: right;
	top: 0px;
}

.tablink {
	display: flex;
	align-items: center;
	gap: 10px;

	/* anti jiggle */
	border: 2px solid var(--menu-background-color);

	background-color: inherit;
	color: rgb(180, 180, 180);
	text-align: left;
	margin: 8px;
	width: 150px;
	box-sizing: border-box;
}

.tablink:hover {
	background-color: rgb(51, 51, 51);
}

.tablink>div {
	width: 23px;
	height: 23px;
	display: flex;
	justify-content: center;
	align-items: center;
}

.tablink>img {
	width: 23px;
	height: 23px;
}

.longText {
	overflow: hidden;
	text-overflow: ellipsis;
}


.tabcontent {
	padding: 8px;
}

h2 {
	margin: 4px;
	margin-top: 48px;
	padding-top: 8px;
	font-size: 16px;
	font-family: monospace;
	/*	border-top: 1px solid white;*/
}


h3 {
	margin-bottom: 0px;
}

table {
	border-collapse: collapse;
	color: white;
}

tr {
	border-bottom: 1px solid #bbbbbb;
}

th,
td {
	border-bottom: 0px solid #ddd;
	padding: 10px;
}

td:first-child {
	white-space: nowrap;
	background-color: #3d3d3d;
	padding-right: 16px;
}

button {
	background-color: rgb(108, 108, 255);
	color: white;
	border: none;
	border-radius: 5px;
	padding: 8px;
	padding-top: 6px;
	font-size: 14pt;
	margin: 4px;
	outline: none;
	cursor: pointer;
	min-width: 48px;
}

button:hover {
	filter: brightness(1.3);
}


button:active:not(.disabled) {
	scale: 0.95;
}



.buttonselected {
	box-shadow: 3px 2px 1px inset black;
}

.alreadyShared {
	background-color: rgb(127, 127, 206);
}

#controls button {
	padding: 0px;
	margin-top: 2px;
	margin-bottom: 2px;
	margin-left: 2px;
	margin-right: 0px;
	padding-top: 4px;
	padding-bottom: 4px;
	padding-left: 6px;
	padding-right: 6px;
}


.buttonNavigation {
	border-radius: 24px;
}


button img {
	height: 64px;
	padding: 0px;
	margin: 0px;
	user-select: none;
}



.disabled {
	background-color: gray;
	filter: contrast(0.5);
}


.toolbargroup {
	display: inline;
	margin-right: 16px;
}

img {
	vertical-align: middle;
}

.magnetCollectionButton {
	display: inline;
	background: none;
	color: initial;
	cursor: pointer;
	margin: 0px;
	padding: 4px;
}

.magnetCollectionButton:hover {
	background: rgba(191, 191, 255, 0.2);
}




.buttonClear {
	background-color: rgb(170, 73, 43);
}


.buttonClear:hover {
	background-color: rgb(228, 86, 42);
}


h1 {
	color: white;
	margin-top: 32px;
	padding: 8px;
}


.MenuPanel {
	position: absolute;
	background-color: rgb(61, 61, 61);
	top: 0px;
	left: 0px;
	right: 0px;
	bottom: 0px;
	z-index: 10000;
	overflow: auto;
	color: white;
}


#welcome {
	top: 15%;
	bottom: 8%;
	left: 5%;
	right: 5%;
}

.explanation {
	position: relative;
	display: inline-block;
	padding: 16px;
	margin: 8px;
	width: 42%;
	vertical-align: top;
}

.explanation img {
	width: 150px;
	margin-left: 20px;
	display: block;
}

.preview {
	border: white 5px solid;
	scale: 0.1;
	height: 200px;
	width: 300px;
	pointer-events: none;
}

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

#number {
	color: white;
	position: absolute;
	top: 0px;
	right: 0px;
}

.keyboardkey {
	display: inline-block;
	padding: 5px;
	border: 2px solid #bbbbbb;
	margin: 5 px;
	border-radius: 5px;
	min-width: 20px;
	text-align: center;
}

.CircularMenu {
	position: absolute;
	z-index: 10000;
	transition: 200ms;
}




.CircularMenuShow {
	opacity: 1;
	transform: rotate(0deg), scale(1);
	visibility: visible;

}


.CircularMenuHide {
	opacity: 0;
	transform: rotate(180deg) scale(0);
	visibility: hidden;
}

.paletteColorButton {
	position: absolute;
	border-radius: 32px;
	width: 64px;
	padding-left: 16px;
	padding-right: 16px;
	padding-top: 8px;
	padding-bottom: 8px;
	background-color: #555555;
	cursor: pointer;
	user-select: none;
}


.paletteColorButton:hover {
	background-color: gray;
}


.paletteColorButton:active {
	scale: 0.95;
}

.paletteColorButton.selected {
	border: 2px white solid;
}

.menuDiv {
	margin: 8px;
	padding: 0px;
}


#shareUrl {
	width: 500px;
}

#joinUrl {
	width: 500px;
}


#msg {
	top: 0px;
	left: 0px;
	opacity: 0.8;
	font-size: 32px;
	background-color: white;
	padding: 16px;
	position: absolute;
	z-index: 10000;
	margin: 16px;
	border-radius: 32px;
}


@keyframes showMessage {
	from {
		filter: blur(10px);
	}

	to {}
}


.msg {
	color: blue;
	animation: showMessage 400ms forwards;
}

.error {
	color: red;
	animation: showMessage 400ms forwards;
}




.warning {
	color: yellow;
	padding: 8px;
}

.cursor {
	position: absolute;
	pointer-events: none;
	opacity: 0.5;
	width: 8px;
	height: 8px;
}


.cursorinscreen {
	border: 3px solid white;
	border-radius: 8px;
	width: 8px;
	height: 8px;
}


.cursortoleft {
	font-size: 0px;
	line-height: 0%;
	width: 0px;
	border-top: 10px solid #fff0;
	border-right: 20px solid white;
	border-bottom: 10px solid #fff0;
}

.cursortoright {
	font-size: 0px;
	line-height: 0%;
	width: 0px;
	border-top: 10px solid #fff0;
	border-left: 20px solid white;
	border-bottom: 10px solid #fff0;
}

.toolcursor {
	position: absolute;
	pointer-events: none;
}






#numberOfUsers {
	display: inline;
}



.user {
	margin-right: 1px;
	padding: 0px;
	margin-left: 1px;

}

.me {
	font-weight: bold;
}





#questions::before {
	content: "Questions/comments: ";
}

#questions {
	position: absolute;
	left: 0px;
	right: 0px;
	bottom: 0px;
	width: 100%;
	max-height: 64px;
	background-color: rgb(199, 199, 255);
}


@keyframes newQuestion {
	from {
		filter: blur(10px);
	}

	to {}
}


.question {
	display: inline-block;
	color: rgb(12, 78, 78);
	font-size: 24;
	padding: 8px;
	margin-right: 32px;
	animation: newQuestion 2000ms forwards;

}


.userImage {
	width: 48px;
	height: 48px;
	vertical-align: middle;
	margin-right: -8px;
}


@keyframes divideLineHelp {
	from {
		height: 0px;
	}

	to {
		height: 100%
	}
}


.divideLineHelp {
	position: absolute;
	background-color: grey;
	width: 2px;
	animation: divideLineHelp 2000ms infinite;
}

.userNameCursor {
	font-size: 16px;
	position: absolute;
	pointer-events: none;
	color: grey;
}


#loading {
	z-index: 10000;
	padding: 96px;
	background-repeat: repeat;
	text-align: center;
	vertical-align: middle;
	left: 0px;
	top: 0px;
	font-size: 24px;
	color: white;
	position: absolute;
}


#hiddenToolbar {
	z-index: 10000;
	padding: 32px;
	background-color: rgb(143, 64, 0);
	left: 0;
	top: 100px;
	right: 0;
	font-size: 24px;
	color: white;
	position: absolute;
	margin: auto;
	width: max-content;
}


#backgroundSnapshot {
	position: relative;
	height: 152px;
	width: 236px;
	margin: 16px;
}




#backgroundSnapshotBackgroundColor {
	position: relative;
	width: 192px;
	height: 128px;
	border: black 1px solid;
}




#backgroundSnapshotBackgroundImageDiv {
	position: absolute;
	height: 128px;
	width: 192px;
	overflow: hidden;
	left: 0px;
	top: 0px;
	border: gray 1px solid;
}


#backgroundSnapshotBackgroundImage {
	height: 128px;
}



#backgroundSnapshotCanvas {
	position: absolute;
	width: 192px;
	height: 128px;
	left: 0px;
	top: 0px;
	border: gray 1px solid;
}


.handle {
	position: absolute;
	width: 32px;
	height: 32px;
}

.handle:hover {
	filter: brightness(150%);
}

.handleCenter {
	background-image: url(img/center.svg);
}

.handleRadius {
	background-image: url(img/radius.svg);
}

.eraser {
	position: absolute;
	background-color: #888888aa;
	border: 1px solid #888888;
	border-radius: 50%;
	pointer-events: none;
}

#animationActionListWrapper {
	display: inline-block;
	width: 100%;
	box-sizing: content-box;
	overflow: auto;
}

#animationActionList {
	display: inline-block;
	width: max-content;
	box-sizing: content-box;
}

.action {
	position: relative;
	width: 24px;
	height: 24px;
	background-color: rgb(128, 64, 64);
	border: 1px solid rgb(64, 64, 64);
	display: inline-block;
	opacity: 0.85;
	margin: 0px;
	background-size: 24px 24px;
	cursor: pointer;
}


.action:hover {
	margin-left: 0px;
	transform: scale(1.1);
}

.actionSelected {
	border: 1px solid rgb(77, 169, 255);
}


.actionDifferent {
	border-left-width: 6px;
}

.actionExecuted {
	opacity: 1.0;
	background-color: #f58888;
}


.actionPause,
.actionStart {
	width: 24px;
	margin-right: 6px;
	border-radius: 0px 12px 12px 0px;
	background-size: 24px 24px;
}


.actionParallel:after {
	content: url(img/icons/1F411.svg);
	position: relative;
	left: 20px;

}






.slide {
	display: inline-block;
	height: 8px;
	width: 32px;
	box-sizing: content-box;
	background-color: grey;
	border-bottom: 2px solid rgba(32, 32, 32, 0.8);
	border-top: 2px solid rgba(32, 32, 32, 0.8);
	border-left: 2px solid rgba(32, 32, 32, 0.8);
	border-right: 2px solid rgba(32, 32, 32, 0.8);
	flex-grow: 1;
	cursor: pointer;
}

.slideClear {
	border-left: 2px solid rgb(128, 128, 255)
}

.slideCurrent {
	border-bottom: 2px solid red;
}




.slide:hover {
	border-bottom: 0px solid rgba(32, 32, 32, 0.8);
	border-top: 0px solid rgba(32, 32, 32, 0.8);
	height: 12px;
}

.toggleFold {
	display: none;
}





#timeline {
	display: flex;
}

#animationToolBar {
	display: block;
}




.dragover {
	border-right: 4px solid rgb(0, 255, 0);
	margin-right: 6px;
}






@media only screen and (max-width: 768px) and (orientation: landscape) {
	/* smartphone and cie landscape, we do not care, the toolbar is on the left side*/

	.toolbarTop,
	.toolbarBottom,
	.toolbarLeft,
	.toolbarRight {
		top: 0px;
		left: 0px;
		width: 0px;
		flex-direction: column;
	}
}

@media only screen and (orientation: portrait) {
	.tablinkLabel {
		display: none;
	}

	.tablink {
		width: min-content;
		min-width: 0;
	}
}


@media only screen and (max-width: 768px) {

	/* smartphone and cie*/
	.onlyForDesktop,
	.illustration {
		display: none;
	}

	.paletteColorButton {
		width: 128px;
		padding-left: 16px;
	}

	.tablinkLabel {
		display: none;
	}

	.tablink {
		width: min-content;
		min-width: 0;
	}
}


@media only screen and (max-width: 1180px) {
	.keyboardkeyhelp {
		display: none;
	}
}


@keyframes dash {
	to {
		stroke-dashoffset: 1000;
	}
}





@keyframes shake {

	10%,
	90% {
		transform: translate3d(-1px, 0, 0);
	}

	20%,
	80% {
		transform: translate3d(2px, 0, 0);
	}

	30%,
	50%,
	70% {
		transform: translate3d(-4px, 0, 0);
	}

	40%,
	60% {
		transform: translate3d(4px, 0, 0);
	}
}


.timelinecontrols {
	display: flex;
}

#timelineSlideActionsWrapper {
	display: inline-block;
	overflow: auto;
	flex-grow: 1;
	min-height: 40px;
	margin: 4px;
	resize: vertical;
}



.boardColor {
	width: 96px;
	height: 64px;
}

#timelineSlideActions {
	display: inline;
}


.shake {
	animation: shake 0.82s cubic-bezier(.36, .07, .19, .97) both;
}


.selected {
	border: 2px solid rgb(0, 195, 255);
}

.selected:hover {
	border: 2px solid rgb(0, 195, 255);
}



.contextmenu {
	position: absolute;
	z-index: 100000;
}

.menu {
	display: flex;
	flex-direction: column;
	background-color: rgb(97, 97, 97);
	border-radius: 10px;
	box-shadow: 0 10px 20px rgb(64 64 64 / 5%);
	padding: 10px 0;
}

.menu>li {
	border: 0;
	padding: 10px 30px 10px 15px;
	display: flex;
	align-items: center;
	position: relative;
	text-decoration: unset;
	color: rgb(223, 223, 223);
	font-weight: 500;
	width: 200px;
}

.menu>li>img {
	width: 32px;
}

.menu>li:hover {
	background: grey;
}




@keyframes magnetMovePolyLineAnimation {
	to {
		stroke-dashoffset: 1000;
	}
}

.magnetMovePolyLine {
	stroke-dasharray: 16;
	animation: magnetMovePolyLineAnimation 5s linear 0s infinite reverse;
	stroke: gray;
	stroke-width: 2px;
	fill: none;
}



#qrcode {
	width: 512px;
}