/*
 * REACH Supply shared business/trade interface components.
 *
 * Reusable neutral section navigation and native legal acknowledgement
 * patterns for plugin-generated business forms. Colours consume the
 * canonical REACH design tokens and follow the global no-white-on-gold rule.
 */

/* Neutral page-section navigator. */
body.reach-design-system .rs-section-nav {
	display: grid;
	grid-template-columns: minmax(13.75rem, 15.625rem) minmax(0, 1fr) minmax(10.25rem, 11.875rem);
	align-items: stretch;
	gap: var(--rs-space-2);
	width: 100%;
	padding: var(--rs-space-2);
	border: var(--rs-border-default);
	border-radius: var(--rs-radius-lg);
	background: var(--rs-color-surface);
	box-shadow: var(--rs-shadow-sm);
	box-sizing: border-box;
}

body.reach-design-system .rs-section-nav__intro {
	display: flex;
	flex-direction: column;
	justify-content: center;
	min-height: 4.75rem;
	padding: var(--rs-space-3) var(--rs-space-4);
	border: 1px solid #e5e1d8;
	border-left: 4px solid var(--rs-color-gold);
	border-radius: var(--rs-radius-md);
	background: var(--rs-color-surface-soft);
	color: var(--rs-color-ink);
}

body.reach-design-system .rs-section-nav__links {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: var(--rs-space-2);
	min-width: 0;
}

body.reach-design-system .rs-section-nav__link {
	display: flex;
	align-items: center;
	min-height: 4.75rem;
	min-width: 0;
	border: var(--rs-border-default);
	border-radius: var(--rs-radius-md);
	background: var(--rs-color-surface);
	color: var(--rs-color-ink);
	text-decoration: none;
}

body.reach-design-system .rs-section-nav__link:hover,
body.reach-design-system .rs-section-nav__link.is-active {
	border-color: #dab866;
	background: var(--rs-color-warning-soft);
	box-shadow: inset 0 -3px 0 var(--rs-color-gold);
}

body.reach-design-system .rs-section-nav__apply,
body.reach-design-system .rs-section-nav__apply:link,
body.reach-design-system .rs-section-nav__apply:visited,
body.reach-design-system .rs-section-nav__apply *,
body.reach-design-system .rs-section-nav__apply:hover,
body.reach-design-system .rs-section-nav__apply:hover *,
body.reach-design-system .rs-section-nav__apply:focus-visible,
body.reach-design-system .rs-section-nav__apply:focus-visible * {
	color: var(--rs-color-on-gold) !important;
	-webkit-text-fill-color: var(--rs-color-on-gold) !important;
}

body.reach-design-system .rs-section-nav__apply {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 4.75rem;
	padding: var(--rs-space-3) var(--rs-space-4);
	border: 1px solid var(--rs-color-gold-hover);
	border-radius: var(--rs-radius-md);
	background: var(--rs-color-gold);
	font-weight: var(--rs-font-weight-bold);
	text-decoration: none;
}

body.reach-design-system .rs-section-nav__apply:hover,
body.reach-design-system .rs-section-nav__apply.is-active {
	background: #f1b84b;
}

/* Native/server-rendered legal acknowledgement card.
 * Structure: heading, checkbox, copy, optional review row.
 */
body.reach-design-system label.rs-native-consent {
	display: grid;
	grid-template-columns: 1.625rem minmax(0, 1fr);
	grid-template-rows: auto auto auto;
	align-items: start;
	gap: 0 var(--rs-space-3);
	width: 100%;
	min-width: 0;
	padding: var(--rs-space-5);
	border: 1px solid #e4d2a9;
	border-left: 5px solid var(--rs-color-gold);
	border-radius: var(--rs-radius-md);
	background: var(--rs-color-warning-soft);
	box-shadow: var(--rs-shadow-xs);
	box-sizing: border-box;
	color: var(--rs-color-ink);
}

body.reach-design-system .rs-native-consent__heading {
	grid-column: 1 / -1;
	display: flex;
	align-items: center;
	gap: var(--rs-space-2);
	margin: 0 0 var(--rs-space-3);
	color: var(--rs-color-ink);
	font-size: var(--rs-font-size-base);
	font-weight: var(--rs-font-weight-bold);
	line-height: 1.4;
}

body.reach-design-system .rs-native-consent__heading b {
	color: var(--rs-color-error);
}

body.reach-design-system label.rs-native-consent > input[type="checkbox"] {
	-webkit-appearance: none;
	appearance: none;
	position: relative;
	grid-column: 1;
	grid-row: 2;
	align-self: start;
	width: 1.5rem;
	height: 1.5rem;
	min-width: 1.5rem;
	min-height: 1.5rem;
	margin: .1rem 0 0;
	padding: 0;
	border: 1.5px solid var(--rs-color-border-strong);
	border-radius: 4px;
	background: var(--rs-color-surface);
	box-shadow: none;
	cursor: pointer;
}

body.reach-design-system label.rs-native-consent > input[type="checkbox"]::after {
	content: "";
	position: absolute;
	top: .19rem;
	left: .46rem;
	display: none;
	width: .36rem;
	height: .72rem;
	border: solid var(--rs-color-ink);
	border-width: 0 2px 2px 0;
	transform: rotate(45deg);
}

body.reach-design-system label.rs-native-consent > input[type="checkbox"]:checked {
	border-color: var(--rs-color-gold-hover);
	background: var(--rs-color-gold);
}

body.reach-design-system label.rs-native-consent > input[type="checkbox"]:checked::after {
	display: block;
}

body.reach-design-system .rs-native-consent__copy {
	grid-column: 2;
	grid-row: 2;
	display: block;
	min-width: 0;
	color: var(--rs-color-ink);
	font-size: .9375rem;
	font-weight: var(--rs-font-weight-semibold);
	line-height: 1.6;
}

body.reach-design-system .rs-native-consent__copy a,
body.reach-design-system .rs-native-consent__review a {
	color: #173f57;
	font-weight: var(--rs-font-weight-bold);
	text-decoration: underline;
	text-decoration-color: var(--rs-color-gold);
	text-decoration-thickness: 2px;
	text-underline-offset: 3px;
}

body.reach-design-system .rs-native-consent__review {
	grid-column: 1 / -1;
	grid-row: 3;
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: var(--rs-space-2) var(--rs-space-3);
	margin-top: var(--rs-space-4);
	padding-top: var(--rs-space-3);
	border-top: var(--rs-border-default);
	color: var(--rs-color-muted);
	font-size: var(--rs-font-size-sm);
	line-height: 1.45;
}

body.reach-design-system .rs-native-consent__review > strong {
	font-weight: var(--rs-font-weight-bold);
}

/* Neutral FAQ card. Open cards must stay neutral, never orange-filled. */
body.reach-design-system .rs-faq-card {
	overflow: hidden;
	border: var(--rs-border-default);
	border-radius: var(--rs-radius-md);
	background: var(--rs-color-surface);
}

body.reach-design-system .rs-faq-card[open] {
	border-color: #c7d3d8;
	background: var(--rs-color-surface);
	box-shadow: var(--rs-shadow-xs);
}

body.reach-design-system .rs-faq-card[open] > summary {
	border-bottom: var(--rs-border-default);
	background: var(--rs-color-surface-soft);
}

/* Supporting-document section for business forms. */
body.reach-design-system .rs-supporting-section {
	padding: var(--rs-space-5);
	border: var(--rs-border-default);
	border-top: 4px solid var(--rs-color-gold);
	border-radius: var(--rs-radius-lg);
	background: var(--rs-color-surface-soft);
	box-sizing: border-box;
}

body.reach-design-system .rs-document-upload {
	padding: var(--rs-space-4);
	border: 1px dashed var(--rs-color-border-strong);
	border-radius: var(--rs-radius-md);
	background: var(--rs-color-surface);
	box-sizing: border-box;
}

body.reach-design-system .rs-document-upload input[type="file"]::file-selector-button {
	min-height: 2.25rem;
	margin-right: var(--rs-space-3);
	padding: var(--rs-space-2) var(--rs-space-4);
	border: 0;
	border-radius: var(--rs-radius-sm);
	background: var(--rs-color-ink);
	color: #fff;
	font-weight: var(--rs-font-weight-bold);
	cursor: pointer;
}

body.reach-design-system .rs-tax-identifiers {
	margin-top: var(--rs-space-5);
	padding-top: var(--rs-space-5);
	border-top: var(--rs-border-default);
}

@media (max-width: 1120px) {
	body.reach-design-system .rs-section-nav {
		grid-template-columns: 1fr;
	}

	body.reach-design-system .rs-section-nav__links {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 767px) {
	body.reach-design-system .rs-section-nav__links {
		grid-template-columns: 1fr;
	}

	body.reach-design-system label.rs-native-consent {
		grid-template-columns: 1.5625rem minmax(0, 1fr);
		gap: 0 var(--rs-space-3);
		padding: var(--rs-space-4);
	}

	body.reach-design-system .rs-supporting-section {
		padding: var(--rs-space-4);
	}
}