jitsi_app_c0/css/_reactions-menu.scss

@use 'sass:math';

.reactions-menu {
	width: 280px;
	background: $menuBG;
	box-shadow: 0px 3px 16px rgba(0, 0, 0, 0.6), 0px 0px 4px 1px rgba(0, 0, 0, 0.25);
	border-radius: 3px;
	padding: 16px;

	&.overflow {
		width: auto;
		padding-bottom: max(env(safe-area-inset-bottom, 0), 16px);
		background-color: #141414;
		box-shadow: none;
		border-radius: 0;
		position: relative;

		.toolbox-icon {
			width: 48px;
			height: 48px;

			span.emoji {
				width: 48px;
				height: 48px;
			}
		}

		.reactions-row {
			display: flex;
			flex-direction: row;
			justify-content: space-around;

			.toolbox-button {
				margin-right: 0;
			}
		}
	}

	.toolbox-icon {
		width: 40px;
		height: 40px;
		border-radius: 6px;

		span.emoji {
			width: 40px;
			height: 40px;
			font-size: 22px;
			display: flex;
			align-items: center;
			justify-content: center;
			transition: font-size ease .1s;

			@for $i from 1 through 12 {
				&.increase-#{$i}{
					font-size: calc(20px + #{$i}px);
				}
			}
		}
	}

	.reactions-row {
		.toolbox-button {
			margin-right: 8px;
			touch-action: manipulation;
		}

		.toolbox-button:last-of-type {
			margin-right: 0;
		}
	}

	.raise-hand-row {
		margin-top: 16px;

		.toolbox-button {
			width: 100%;
		}

		.toolbox-icon {
			width: 100%;
			flex-direction: row;
			align-items: center;

			span.text {
				font-style: normal;
				font-weight: 600;
				font-size: 14px;
				line-height: 24px;
				margin-left: 8px;
			}
		}
	}
}

.reactions-animations-container {
	position: absolute;
	width: 20%;
	bottom: 0;
	left: 40%;
	height: 0;
}

.reactions-menu-popup-container,
.reactions-menu-popup {
	display: inline-block;
	position: relative;
}

$reactionCount: 20;

@function random($min, $max) {
  @return math.random() * ($max - $min) + $min;
}

.reaction-emoji {
	position: absolute;
	font-size: 24px;
	line-height: 32px;
	width: 32px;
	height: 32px;
	top: 0;
	left: 20px;
	opacity: 0;
	z-index: 1;

	&.reaction-0 {
		animation: flowToRight 5s forwards ease-in-out;
	}

	@for $i from 1 through $reactionCount {
	&.reaction-#{$i} {
		animation: animation-#{$i} 5s forwards ease-in-out;
		top: #{random(-40, 10)}px;
		left: #{random(0, 30)}px;
	}
}
}

@keyframes flowToRight {
	0% {
		transform: translate(0px, 0px) scale(0.6);
		opacity: 1;
	}

	70% {
		transform: translate(40px, -70vh) scale(1.5);
		opacity: 1;
	}

	75% {
		transform: translate(40px, -70vh) scale(1.5);
		opacity: 1;
	}

	100% {
		transform: translate(140px, -50vh) scale(1);
		opacity: 0;
	}
}

@mixin animation-list {
	@for $i from 1 through $reactionCount {
		$topX: random(-100, 100);
		$topY: random(65, 75);
		$bottomX: random(150, 200);
		$bottomY: random(40, 50);

		@if $topX < 0 {
			$bottomX: -$bottomX;
		}

		@keyframes animation-#{$i} {
			0% {
				transform: translate(0, 0) scale(0.6);
				opacity: 1;
			}

			70% {
				transform: translate(#{$topX}px, -#{$topY}vh) scale(1.5);
				opacity: 1;
			}

			75% {
				transform: translate(#{$topX}px, -#{$topY}vh) scale(1.5);
				opacity: 1;
			}

			100% {
				transform: translate(#{$bottomX}px, -#{$bottomY}vh) scale(1);
				opacity: 0;
			}
		}
	}
}

@include animation-list;