.tc-box {
	background-color: #fff;
	box-shadow: 1px 1px 5px 1px rgba(0, 0, 0, 0.1);
	margin-bottom: 2em;
	min-height: 1em;

	&.locked {
		color: #999;
		position: relative;

		.box-title, button {
			color: #bbb;
		}

		&:before {
			content: '';
			display: block;
			position: absolute;
			top: 0;
			left: 0;
			right: 0;
			bottom: 0;
			z-index: 10;
			background-color: rgba(0, 0, 0, 0.2);
		}
	}

	.tc-box-header {
		border-bottom: 1px solid #eee;
		box-shadow: 1px 0 1px 1px rgba(0, 0, 0, 0.1);
		position: relative;
		z-index: 1;
		background-color: #fff;

		.tc-box-status {
			position: absolute;
			top: 0;
			right: 0;
			width: 4.2em;
			height: 4.2em;
			z-index: 9;
			text-align: center;

			&.lock {
				color: #F44336;
			}

			&.unlock {
				color: #4CAF50;
			}

			span {
				font-size: 40px;
				display: block;
				line-height: 1;
				width: 100%;
				height: 100%;

				&:before {
					line-height: 1.6em;
				}
			}
		}

		.box-title {
			margin: 0;
			padding: 0 5em 0 1em;
			height: 3.5em;
			line-height: 3.5em;
			font-size: 1.2em;
			font-weight: 600;
			z-index: 1;
		}
	}

	.tc-box-body {
		padding: 1em;
		position: relative;

		.video {
			margin-bottom: 1em;
		}
	}

	.tc-box-footer {
		position: relative;
		padding: 1em;
		min-height: 1px;
		background-color: rgba(0, 0, 0, 0.1);
	}
}