/**
 * Calculator shell + shared UI primitives (aligned with legacy widget styling).
 *
 * GOVERNANCE
 * --------
 * OWNERSHIP: Calculator *inner* UI — fields, buttons, result panel shells, spacing inside `.rtg-calculator`.
 *
 * SHOULD NOT OWN: Outer chapter cadence, Elementor boxed column margins, prose lane widths,
 * or FAQ accordion layout (that's `faq-system.css` + `_rtg-calculator-system.css` wrappers).
 *
 * The outer “calculator band” card (when used) is owned by `_rtg-calculator-system.css`; this file may
 * be reset/neutralised by page CSS where the band is the sole surface.
 */

.rtg-calculator {
	max-width: 1400px;
	margin: var(--rtg-space-5) auto;
	padding: var(--rtg-space-3);
	font-family: var(--rtg-font-body);
}

.rtg-calculator__inner {
	width: 100%;
	padding: 30px;
	background: var(--rtg-color-surface);
	border-radius: var(--rtg-radius-md);
	border: 1px solid #e3eaf2;
	box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
	box-sizing: border-box;
}

.rtg-calculator__title {
	text-align: center;
	margin: 0 0 var(--rtg-space-2);
	font-size: clamp(1.3rem, 2vw, 1.55rem);
	font-family: var(--rtg-font-heading);
	color: #17263a;
}

.rtg-calculator__intro {
	margin: 0 0 var(--rtg-space-4);
	text-align: center;
	font-size: 0.93rem;
	line-height: 1.55;
	color: #53667b;
}

.rtg-calculator__grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	column-gap: 0.9rem;
	row-gap: 0.35rem;
}

.rtg-field {
	margin-bottom: var(--rtg-space-3);
}

.rtg-label {
	display: block;
	font-weight: 700;
	margin-bottom: var(--rtg-space-2);
	font-size: 13px;
	letter-spacing: 0.01em;
	color: #1f3348;
}

.rtg-field-error {
	display: block;
	margin: 0.2rem 0 0;
	padding: 0;
	font-size: 12px;
	line-height: 1.42;
	color: #6f5752;
}

.rtg-field-error[data-active='false'] {
	display: none;
}

.rtg-input,
.rtg-select {
	width: 100%;
	min-height: 46px;
	padding: 12px 13px;
	border: 1px solid #ced4da;
	border-radius: var(--rtg-radius-sm);
	font-size: 14px;
	line-height: 1.3;
	color: #10263b;
	background: #ffffff;
	box-sizing: border-box;
	transition:
		border-color 0.2s ease,
		box-shadow 0.22s ease,
		background-color 0.18s ease;
}

.rtg-input:hover,
.rtg-select:hover {
	border-color: #b8cad9;
	background-color: #fcfcfd;
}

.rtg-field-control--invalid {
	border-color: #c9a9a6 !important;
	box-shadow: 0 0 0 2px rgba(182, 152, 145, 0.22);
}

.rtg-field-control--invalid:focus {
	border-color: #b08982 !important;
	box-shadow:
		0 0 0 2px rgba(182, 152, 145, 0.28),
		0 0 0 4px rgba(43, 108, 176, 0.1);
}

.rtg-input:focus,
.rtg-select:focus {
	outline: none;
	border-color: #5a86ad;
	box-shadow:
		0 0 0 1px rgba(90, 134, 173, 0.35),
		0 0 0 4px rgba(43, 108, 176, 0.12);
}

.rtg-btn {
	display: inline-block;
	cursor: pointer;
	font-family: var(--rtg-font-body);
	border: none;
	border-radius: var(--rtg-radius-sm);
}

.rtg-btn--primary {
	width: 100%;
	padding: 14px 15px;
	background: var(--rtg-color-success);
	color: #fff;
	font-size: 15px;
	margin-top: var(--rtg-space-2);
	font-weight: 700;
	letter-spacing: 0.01em;
	transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.rtg-btn--primary:hover {
	background: var(--rtg-color-success-hover);
	transform: translateY(-1px);
	box-shadow: 0 8px 16px rgba(15, 23, 42, 0.14);
}

/**
 * Calculator submit — same visual language as header “Start Calculator” (.rtg-header-cta in global-shell.css).
 */
.rtg-calculator button.rtg-calculator__cta-btn.rtg-header-cta {
	width: 100%;
	margin-top: var(--rtg-space-2);
	box-sizing: border-box;
	appearance: none;
	-webkit-appearance: none;
	cursor: pointer;
	font-family: var(--rtg-font-body);
	color: #ffffff;
}

.rtg-calculator button.rtg-calculator__cta-btn.rtg-header-cta:focus-visible {
	outline: 2px solid #2b6cb0;
	outline-offset: 3px;
}

.rtg-calculator__result-wrap {
	margin-top: var(--rtg-space-4);
}

.rtg-calculator__result {
	margin-top: 0;
	padding: 1.05rem 1.08rem;
	border-radius: 12px;
	border: 1px solid #d8e3ef;
	background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%);
	box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
	text-align: center;
	color: #153456;
	min-height: 1.5em;
}

.rtg-calculator__result-kicker {
	margin: 0 0 0.42rem;
	font-size: 0.74rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: #5a7390;
	line-height: 1.35;
}

.rtg-calculator__result-amount {
	margin: 0;
	font-size: clamp(1.18rem, 2.1vw, 1.45rem);
	font-weight: 700;
	line-height: 1.28;
	color: #122a47;
}

.rtg-calculator__result.rtg-calculator__result--error .rtg-calculator__result-amount--error {
	font-size: clamp(0.92rem, 1.65vw, 1.06rem);
	font-weight: 600;
	line-height: 1.42;
	color: #5f4a43;
	max-width: 28rem;
	margin-left: auto;
	margin-right: auto;
}

.rtg-calculator__trust-note {
	margin: 0.75rem auto 0;
	max-width: 36rem;
	padding: 0 0.2rem;
	text-align: center;
	font-size: 12px;
	line-height: 1.5;
	color: #697c90;
}

.rtg-calculator__details {
	margin-top: 0.65rem;
	border: 1px solid #e2eaf3;
	border-radius: 11px;
	background: #fbfcfd;
	overflow: hidden;
}

.rtg-calculator__details-heading {
	margin: 0;
	padding: 0.72rem 0.92rem;
	font-size: 13px;
	font-weight: 700;
	color: #2a4662;
	line-height: 1.35;
	border-bottom: 1px solid #e8eef5;
	background: #f9fbfd;
}

.rtg-calculator__details-body {
	margin: 0;
	padding: 0.82rem 0.94rem 0.95rem;
}

.rtg-calculator__details-row {
	display: grid;
	grid-template-columns: minmax(0, 11rem) minmax(0, 1fr);
	gap: 0.45rem 0.75rem;
	align-items: baseline;
	padding: 0.38rem 0;
	border-bottom: 1px solid #edf2f7;
	font-size: 13px;
	line-height: 1.42;
}

.rtg-calculator__details-row:last-child {
	padding-bottom: 0;
	border-bottom: none;
}

.rtg-calculator__details-label {
	color: #5c6f84;
	font-weight: 600;
}

.rtg-calculator__details-value {
	color: #1a3148;
	word-break: break-word;
	text-align: right;
}

.rtg-calculator__details-row:last-child .rtg-calculator__details-value {
	font-weight: 700;
	color: #122a47;
}

@media (max-width: 767px) {
	.rtg-calculator__details-row {
		grid-template-columns: minmax(0, 37%) minmax(0, 1fr);
		gap: 0.32rem 0.52rem;
		font-size: 12px;
	}

	.rtg-calculator__trust-note {
		font-size: 11.8px;
		padding-left: env(safe-area-inset-left, 0);
		padding-right: env(safe-area-inset-right, 0);
	}
}

@media (min-width: 900px) {
	.rtg-calculator__result--sticky {
		position: sticky;
		top: 96px;
	}
}

.rtg-calculator__source {
	text-align: center;
	font-size: 12px;
	color: #5d7186;
	margin-top: var(--rtg-space-3);
}

.rtg-calculator__source a {
	color: #007bff;
	font-weight: 600;
}

@media (max-width: 767px) {
	.rtg-calculator {
		margin: var(--rtg-space-4) auto;
		padding: var(--rtg-space-2);
	}

	.rtg-calculator__inner {
		padding: 20px 16px;
	}

	.rtg-calculator__grid {
		grid-template-columns: 1fr;
		row-gap: 0.1rem;
	}

	.rtg-field {
		margin-bottom: 0.7rem;
	}

	.rtg-input,
	.rtg-select {
		min-height: 48px;
		font-size: 15px;
	}

	.rtg-calculator button.rtg-calculator__cta-btn.rtg-header-cta {
		min-height: 46px;
		font-size: 0.92rem;
		padding: 0.62rem 1.05rem;
	}
}

.rtg-breadcrumb__list {
	list-style: none;
	display: flex;
	flex-wrap: wrap;
	gap: var(--rtg-space-2);
	padding: 0;
	margin: 0;
	font-size: 14px;
}

.rtg-breadcrumb__item:not(:last-child)::after {
	content: "/";
	margin-left: var(--rtg-space-2);
	color: var(--rtg-color-text-muted);
}

.rtg-card {
	border: 1px solid var(--rtg-color-border);
	border-radius: var(--rtg-radius-md);
	padding: var(--rtg-space-4);
	background: var(--rtg-color-surface);
}

.rtg-table-wrap {
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}

.rtg-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 15px;
}

.rtg-table th,
.rtg-table td {
	border: 1px solid var(--rtg-color-border);
	padding: var(--rtg-space-2) var(--rtg-space-3);
	text-align: left;
}