/*
 * Photonic Calculators.
 * Colours follow the site's Elementor globals where present, with fallbacks.
 * Override any of the variables on .pcalc to restyle.
 */
.pcalc {
	--pcalc-primary: var(--e-global-color-primary, #2A557F);
	--pcalc-primary-hover: #00508A;
	--pcalc-bg: #F2F2F2;
	--pcalc-field-bg: #FFFFFF;
	--pcalc-border: #D7D7D7;
	--pcalc-text: #282828;
	--pcalc-muted: #706F6F;
	--pcalc-error: #B42318;
	--pcalc-radius: 16px;
	--pcalc-field-radius: 8px;

	box-sizing: border-box;
	width: 100%;
	max-width: none;
	margin: 0 0 32px;
	padding: 32px 36px;
	border: 0;
	border-radius: var(--pcalc-radius);
	background: var(--pcalc-bg);
	color: var(--pcalc-text);
}

.pcalc *,
.pcalc *::before,
.pcalc *::after {
	box-sizing: border-box;
}

.pcalc .pcalc__title {
	margin: 0 0 20px;
	color: var(--pcalc-primary);
}

/* Inputs and results both lay out as a grid: several columns on desktop, one on phones. */
.pcalc__fields,
.pcalc__results {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
	gap: 20px 24px;
	align-items: start;
}

.pcalc__results {
	margin-top: 24px;
	padding-top: 24px;
	border-top: 1px solid var(--pcalc-border);
}

.pcalc__row {
	display: flex;
	flex-direction: column;
	gap: 6px;
	margin: 0;
}

.pcalc__row label {
	margin: 0;
	color: var(--pcalc-text);
	font-size: 14px;
	font-weight: 600;
	line-height: 1.3;
}

.pcalc .pcalc__row input[type="text"],
.pcalc .pcalc__row select {
	width: 100%;
	height: 46px;
	margin: 0;
	padding: 0 14px;
	border: 1px solid var(--pcalc-border);
	border-radius: var(--pcalc-field-radius);
	background-color: var(--pcalc-field-bg);
	color: var(--pcalc-text);
	font: inherit;
	font-size: 16px;
	line-height: 44px;
	box-shadow: none;
	transition: border-color 0.15s, box-shadow 0.15s;
}

.pcalc .pcalc__row input[type="text"]:focus,
.pcalc .pcalc__row select:focus {
	border-color: var(--pcalc-primary);
	outline: none;
	box-shadow: 0 0 0 3px rgba(42, 85, 127, 0.2);
}

/* Answers read as results, not as something to type into. */
.pcalc .pcalc__row--answer input[type="text"] {
	border-color: rgba(42, 85, 127, 0.35);
	color: var(--pcalc-primary);
	font-size: 18px;
	font-weight: 700;
	font-variant-numeric: tabular-nums;
	cursor: default;
}

.pcalc__hint {
	color: var(--pcalc-muted);
	font-size: 13px;
	line-height: 1.4;
}

.pcalc .pcalc__note {
	grid-column: 1 / -1;
	margin: -4px 0 0;
	color: var(--pcalc-muted);
	font-size: 13px;
	line-height: 1.5;
}

.pcalc .pcalc__error {
	margin: 16px 0 0;
	color: var(--pcalc-error);
	font-size: 14px;
	font-weight: 600;
}

.pcalc__error[hidden] {
	display: none;
}

.pcalc__actions {
	margin-top: 24px;
}

/* Matches the site's Elementor buttons: brand blue pill, white text. */
.pcalc .pcalc__button,
.pcalc .pcalc__button:visited {
	display: inline-block;
	min-width: 180px;
	margin: 0;
	padding: 15px 35px;
	border: 1px solid var(--pcalc-primary);
	border-radius: 300px;
	background-color: var(--pcalc-primary);
	color: #FFFFFF;
	font-family: inherit;
	font-size: 15px;
	font-weight: 600;
	letter-spacing: 0.02em;
	line-height: 1.2;
	text-align: center;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.15s, border-color 0.15s;
}

.pcalc .pcalc__button:hover,
.pcalc .pcalc__button:focus {
	border-color: var(--pcalc-primary-hover);
	background-color: var(--pcalc-primary-hover);
	color: #FFFFFF;
}

.pcalc .pcalc__button:focus-visible {
	outline: 2px solid var(--pcalc-primary);
	outline-offset: 3px;
}

@media (max-width: 600px) {
	.pcalc {
		padding: 22px 18px;
		border-radius: 12px;
	}

	.pcalc .pcalc__button {
		width: 100%;
	}
}