/* 퍼스트랩 계산기 공통 모양 (테마 글꼴·색을 따르고 테두리만 옅게) */
.firstlab-calc {
	--fc-line: color-mix(in srgb, currentColor 18%, transparent);
	--fc-soft: color-mix(in srgb, currentColor 5%, transparent);
	border: 1px solid var(--fc-line);
	border-radius: 10px;
	padding: 1.25rem;
	margin: 2rem 0;
	background: var(--fc-soft);
}
.firstlab-calc__title { font-weight: 700; font-size: 1.15em; margin: 0 0 .25rem; }
.firstlab-calc__intro { margin: 0 0 1rem; opacity: .8; }
.firstlab-calc__form { display: grid; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); gap: .9rem 1rem; }
.firstlab-calc__field label { display: block; font-weight: 600; margin-bottom: .3rem; }
.firstlab-calc__field input,
.firstlab-calc__field select {
	width: 100%;
	box-sizing: border-box;
	padding: .55rem .6rem;
	font: inherit;
	border: 1px solid var(--fc-line);
	border-radius: 6px;
	background: var(--wp--preset--color--base, #fff);
	color: inherit;
}
.firstlab-calc__help { font-size: .85em; opacity: .7; margin: .3rem 0 0; }
.firstlab-calc__result { margin-top: 1.25rem; }
.firstlab-calc__table { width: 100%; border-collapse: collapse; }
.firstlab-calc__table th,
.firstlab-calc__table td { text-align: left; padding: .55rem .4rem; border-top: 1px solid var(--fc-line); vertical-align: top; }
.firstlab-calc__table th { width: 38%; font-weight: 600; }
.firstlab-calc__notes { margin: 1rem 0 0; padding-left: 1.2rem; font-size: .92em; }
.firstlab-calc__hint { margin: 0; opacity: .75; }
.firstlab-calc__source { font-size: .8em; opacity: .7; margin: 1rem 0 0; }