.c4it-field-lab {
	border: 1px solid #d8e2ec;
	border-radius: 8px;
	padding: 18px;
	margin: 24px 0;
	background: #f8fbfd;
	color: #1f2d3d;
	font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.c4it-field-lab * {
	box-sizing: border-box;
}

.c4it-field-lab__controls {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 0 0 16px;
}

.c4it-field-lab__button {
	appearance: none;
	border: 1px solid #1d74b7;
	border-radius: 6px;
	background: #fff;
	color: #1d74b7;
	cursor: pointer;
	font-weight: 700;
	line-height: 1.2;
	padding: 9px 14px;
}

.c4it-field-lab__button.is-active {
	background: #1d74b7;
	color: #fff;
}

.c4it-field-lab__code-block {
	margin: 0 0 16px;
}

.c4it-field-lab__code-title,
.c4it-field-lab__panel-title {
	margin: 0 0 8px;
	color: #415367;
	font-size: 14px;
	font-weight: 700;
}

.c4it-field-lab__code {
	display: block;
	width: 100%;
	max-width: 100%;
	margin: 0 !important;
	padding: 12px 14px;
	border-radius: 6px;
	background: #243447;
	color: #f6f8fa;
	overflow-x: auto;
	font-family: Menlo, Consolas, monospace;
	font-size: 13px;
	line-height: 1.55;
	white-space: pre;
}

.c4it-field-lab__purpose {
	margin: 0 0 16px;
	padding: 12px;
	border: 1px solid #d8e2ec;
	border-radius: 6px;
	background: #fff;
	color: #33475b;
}

.c4it-field-lab__stage {
	display: grid;
	grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
	gap: 14px;
	align-items: stretch;
}

.c4it-field-lab__panel {
	border: 1px solid #d8e2ec;
	border-radius: 8px;
	background: #fff;
	padding: 14px;
}

.c4it-field-lab__class {
	border: 1px solid #c7d5e5;
	border-radius: 8px;
	background: #f9fbfd;
	overflow: hidden;
}

.c4it-field-lab__class-head {
	margin: 0;
	padding: 10px 12px;
	background: #243447;
	color: #fff;
	font-family: Menlo, Consolas, monospace;
	font-weight: 700;
}

.c4it-field-lab__field-list {
	display: grid;
	gap: 8px;
	padding: 12px;
}

.c4it-field-lab__field-template,
.c4it-field-lab__field {
	border-radius: 6px;
	padding: 9px 10px;
	font-family: Menlo, Consolas, monospace;
	font-weight: 700;
}

.c4it-field-lab__field-template {
	border: 1px dashed #8fb5d6;
	background: #eaf5ff;
	color: #173f63;
}

.c4it-field-lab__objects {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
}

.c4it-field-lab__object {
	border: 1px solid #d8e2ec;
	border-radius: 8px;
	background: #f9fbfd;
	overflow: hidden;
	transition: border-color .2s, box-shadow .2s;
}

.c4it-field-lab__object.is-target {
	border-color: #1d74b7;
	box-shadow: 0 0 0 3px rgba(29, 116, 183, .12);
}

.c4it-field-lab__object-title {
	margin: 0;
	padding: 10px 12px;
	background: #eef5fb;
	color: #173f63;
	font-family: Menlo, Consolas, monospace;
	font-weight: 700;
}

.c4it-field-lab__object-fields {
	display: grid;
	gap: 8px;
	padding: 12px;
}

.c4it-field-lab__field {
	background: #fff;
	border: 1px solid #d8e2ec;
	color: #1f2d3d;
}

.c4it-field-lab__field.is-changed {
	border-color: #db8a23;
	background: #fff7eb;
}

.c4it-field-lab__result {
	margin: 14px 0 0;
	padding: 12px;
	border-left: 4px solid #1d74b7;
	background: #eef7ff;
	color: #173f63;
	font-weight: 700;
}

@media (max-width: 720px) {
	.c4it-field-lab {
		padding: 14px;
	}

	.c4it-field-lab__stage,
	.c4it-field-lab__objects {
		grid-template-columns: 1fr;
	}
}