/**
 * NHS Calculator — front-end styles.
 * Scoped to .nhsc-* classes. Fonts and containers remain naturally readable;
 * no transform:scale()/zoom hacks.
 */

:root {
	--nhsc-blue:   #005EB8;
	--nhsc-blue-d: #00478C;
	--nhsc-teal:   #007F86;
	--nhsc-teal-d: #005F64;
	--nhsc-ink:    #1B2733;
	--nhsc-mut:    #41566B;
	--nhsc-bg:     #FFFFFF;
	--nhsc-blue-bg: #EAF3FB;
	--nhsc-line:   #D7E4F0;
	--nhsc-danger: #A31614;
	--nhsc-radius: 12px;
	--nhsc-shadow: 0 1px 2px rgba(18, 52, 86, .08);
	--nhsc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.nhsc-site {
	font-family: var(--nhsc-font);
	color: var(--nhsc-ink);
	background: var(--nhsc-bg);
	line-height: 1.6;
	-webkit-text-size-adjust: 100%;
}

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

.nhsc-container {
	max-width: 1180px;
	margin: 0 auto;
	padding: 0 16px;
}

/* ---------- Header ---------- */

.nhsc-header {
	position: sticky;
	top: 0;
	z-index: 50;
	background: rgba(255, 255, 255, .97);
	border-bottom: 1px solid var(--nhsc-line);
	box-shadow: var(--nhsc-shadow);
}

.nhsc-header-inner {
	max-width: 1180px;
	margin: 0 auto;
	padding: 0 16px;
	display: flex;
	align-items: center;
	gap: 16px;
	min-height: 58px;
}

.nhsc-logo {
	font-size: 1.28rem;
	font-weight: 800;
	color: var(--nhsc-ink);
	text-decoration: none;
	letter-spacing: -.01em;
	white-space: nowrap;
}

.nhsc-logo span { color: var(--nhsc-teal); }

.nhsc-nav {
	display: flex;
	align-items: center;
	gap: 4px;
	margin-left: auto;
}

.nhsc-nav-link {
	display: inline-flex;
	align-items: center;
	gap: 4px;
	padding: 10px 12px;
	font-weight: 600;
	font-size: .95rem;
	color: var(--nhsc-ink);
	text-decoration: none;
	border-radius: 8px;
	background: none;
	border: 0;
	cursor: pointer;
	min-height: 44px;
}

.nhsc-nav-link:hover,
.nhsc-nav-link:focus-visible {
	background: var(--nhsc-blue-bg);
	color: var(--nhsc-blue);
	outline: 2px solid var(--nhsc-teal);
	outline-offset: 2px;
}

.nhsc-drop { position: relative; }

.nhsc-drop-menu {
	position: absolute;
	top: calc(100% + 6px);
	right: 0;
	min-width: 260px;
	background: #fff;
	border: 1px solid var(--nhsc-line);
	border-radius: 10px;
	box-shadow: 0 8px 24px rgba(18, 52, 86, .14);
	padding: 8px;
	display: none;
	z-index: 60;
}

.nhsc-drop.is-open .nhsc-drop-menu { display: block; }

.nhsc-drop-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 9px 10px;
	border-radius: 8px;
	text-decoration: none;
	color: var(--nhsc-ink);
	font-size: .95rem;
	min-height: 44px;
}

.nhsc-drop-item:hover,
.nhsc-drop-item:focus-visible {
	background: var(--nhsc-blue-bg);
	color: var(--nhsc-blue);
	outline: 2px solid var(--nhsc-teal);
	outline-offset: -2px;
}

.nhsc-count {
	background: var(--nhsc-blue-bg);
	color: var(--nhsc-blue-d);
	border-radius: 999px;
	padding: 1px 9px;
	font-size: .78rem;
	font-weight: 700;
}

.nhsc-burger {
	display: none;
	margin-left: auto;
	width: 44px;
	height: 44px;
	border: 1px solid var(--nhsc-line);
	background: #fff;
	border-radius: 8px;
	cursor: pointer;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 4px;
}

.nhsc-burger span {
	display: block;
	width: 20px;
	height: 2px;
	background: var(--nhsc-blue);
	border-radius: 2px;
	transition: transform .18s ease, opacity .18s ease;
}

.nhsc-burger.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nhsc-burger.is-open span:nth-child(2) { opacity: 0; }
.nhsc-burger.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Page / sections ---------- */

.nhsc-page {
	padding: 34px 0 48px;
	background: #fff;
}

.nhsc-page .nhsc-hero-title {
	font-size: clamp(1.9rem, 4vw, 2.7rem);
	font-weight: 800;
	color: var(--nhsc-blue);
	margin: 8px 0 18px;
	letter-spacing: -.02em;
}

.nhsc-page .nhsc-page-title {
	font-size: clamp(1.6rem, 3.4vw, 2.15rem);
	font-weight: 800;
	color: var(--nhsc-blue);
	margin: 4px 0 16px;
}

.nhsc-page h2 {
	font-size: clamp(1.25rem, 2.6vw, 1.55rem);
	font-weight: 800;
	color: var(--nhsc-blue-d);
	margin: 38px 0 12px;
	padding-top: 10px;
	border-top: 2px solid var(--nhsc-blue-bg);
}

.nhsc-page p {
	font-size: 1.02rem;
	color: var(--nhsc-mut);
	margin: 0 0 14px;
	max-width: 74ch;
}

.nhsc-page a {
	color: var(--nhsc-teal);
	text-decoration: underline;
	text-underline-offset: 2px;
}

.nhsc-page a:hover,
.nhsc-page a:focus-visible {
	color: var(--nhsc-teal-d);
	outline: 2px solid var(--nhsc-teal);
	outline-offset: 2px;
	border-radius: 4px;
}

/* ---------- Cards / grids ---------- */

.nhsc-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
	gap: 12px;
}

.nhsc-card {
	display: flex;
	flex-direction: column;
	justify-content: center;
	min-height: 64px;
	padding: 12px 14px;
	background: #fff;
	border: 1px solid var(--nhsc-line);
	border-radius: var(--nhsc-radius);
	color: var(--nhsc-ink);
	text-decoration: none;
	box-shadow: var(--nhsc-shadow);
	transition: border-color .15s ease, box-shadow .15s ease;
}

.nhsc-card:hover,
.nhsc-card:focus-visible {
	border-color: var(--nhsc-teal);
	box-shadow: 0 3px 10px rgba(18, 52, 86, .12);
	outline: 2px solid var(--nhsc-teal);
	outline-offset: 2px;
}

.nhsc-card-name {
	font-weight: 600;
	font-size: .98rem;
	line-height: 1.35;
	display: block;
}

.nhsc-badge {
	display: inline-block;
	margin-left: 6px;
	background: var(--nhsc-blue-bg);
	color: var(--nhsc-blue-d);
	font-size: .72rem;
	font-weight: 700;
	padding: 2px 8px;
	border-radius: 999px;
	vertical-align: middle;
}

.nhsc-card-go::after {
	content: "→";
	color: var(--nhsc-teal);
	font-size: .9rem;
	margin-left: 4px;
}

/* ---------- Directory ---------- */

.nhsc-directory {
	background: var(--nhsc-blue-bg);
	border: 1px solid var(--nhsc-line);
	border-radius: 14px;
	padding: 20px 18px;
	margin: 6px 0 12px;
}

.nhsc-dir-toolbar { margin-bottom: 14px; }

.nhsc-dir-search,
.nhsc-calc-screen {
	width: 100%;
	max-width: 520px;
	font-size: 1rem;
	padding: 12px 14px;
	border: 1.5px solid var(--nhsc-line);
	border-radius: 10px;
	background: #fff;
	color: var(--nhsc-ink);
}

.nhsc-calc-screen {
	max-width: none;
	font-size: 1.25rem;
	font-variant-numeric: tabular-nums;
}

.nhsc-dir-search:focus-visible,
.nhsc-calc-screen:focus-visible {
	outline: 2px solid var(--nhsc-teal);
	outline-offset: 2px;
	border-color: var(--nhsc-teal);
}

.nhsc-dir-count {
	font-size: .88rem;
	color: var(--nhsc-mut);
	margin: 8px 0 4px;
}

.nhsc-dir-chips {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin: 10px 0;
}

.nhsc-chip {
	min-height: 44px;
	padding: 8px 14px;
	border: 1.5px solid var(--nhsc-line);
	background: #fff;
	color: var(--nhsc-ink);
	font-weight: 600;
	font-size: .88rem;
	border-radius: 999px;
	cursor: pointer;
	transition: background .15s ease, color .15s ease, border-color .15s ease;
}

.nhsc-chip:hover,
.nhsc-chip:focus-visible {
	border-color: var(--nhsc-teal);
	outline: 2px solid var(--nhsc-teal);
	outline-offset: 2px;
}

.nhsc-chip.is-active {
	background: var(--nhsc-blue);
	color: #fff;
	border-color: var(--nhsc-blue);
}

.nhsc-toggle-all {
	background: none;
	border: 0;
	color: var(--nhsc-teal);
	font-weight: 700;
	font-size: .9rem;
	cursor: pointer;
	padding: 8px 0;
	min-height: 44px;
	text-decoration: underline;
	text-underline-offset: 3px;
}

.nhsc-toggle-all:hover,
.nhsc-toggle-all:focus-visible { color: var(--nhsc-teal-d); outline: 2px solid var(--nhsc-teal); outline-offset: 2px; border-radius: 6px; }

.nhsc-cat {
	background: #fff;
	border: 1px solid var(--nhsc-line);
	border-radius: 12px;
	margin-bottom: 12px;
	overflow: hidden;
}

.nhsc-cat-summary {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 10px;
	padding: 14px 16px;
	cursor: pointer;
	list-style: none;
	font-weight: 800;
	font-size: 1.02rem;
	color: var(--nhsc-blue-d);
	min-height: 48px;
}

.nhsc-cat-summary::-webkit-details-marker { display: none; }

.nhsc-cat-summary::before {
	content: "▸";
	color: var(--nhsc-teal);
	font-size: 1rem;
	transition: transform .15s ease;
}

.nhsc-cat[open] > .nhsc-cat-summary::before { transform: rotate(90deg); }

.nhsc-cat-summary:hover,
.nhsc-cat-summary:focus-visible {
	background: var(--nhsc-blue-bg);
	outline: 2px solid var(--nhsc-teal);
	outline-offset: -2px;
	border-radius: 10px;
}

.nhsc-cat-count {
	background: var(--nhsc-blue-bg);
	color: var(--nhsc-blue-d);
	border-radius: 999px;
	padding: 2px 12px;
	font-size: .82rem;
	font-weight: 700;
}

.nhsc-cat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
	gap: 10px;
	padding: 4px 16px 16px;
}

.nhsc-cat-grid .nhsc-card { min-height: 56px; }

.nhsc-dir-empty {
	font-weight: 700;
	color: var(--nhsc-ink);
	padding: 14px 0;
}

/* ---------- FAQ ---------- */

.nhsc-faq-item {
	background: #fff;
	border: 1px solid var(--nhsc-line);
	border-radius: 10px;
	margin-bottom: 10px;
	overflow: hidden;
}

.nhsc-faq-q {
	padding: 14px 16px;
	cursor: pointer;
	font-weight: 700;
	color: var(--nhsc-blue-d);
	list-style: none;
	min-height: 48px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
}

.nhsc-faq-q::-webkit-details-marker { display: none; }
.nhsc-faq-q::after { content: "▾"; color: var(--nhsc-teal); }
.nhsc-faq-item[open] .nhsc-faq-q::after { transform: rotate(180deg); }

.nhsc-faq-q:hover,
.nhsc-faq-q:focus-visible {
	background: var(--nhsc-blue-bg);
	outline: 2px solid var(--nhsc-teal);
	outline-offset: -2px;
	border-radius: 8px;
}

.nhsc-faq-a {
	padding: 0 16px 14px;
	color: var(--nhsc-mut);
	font-size: .98rem;
}

.nhsc-med-disclaimer {
	font-size: .92rem;
	color: var(--nhsc-mut);
	background: var(--nhsc-blue-bg);
	border-left: 4px solid var(--nhsc-teal);
	border-radius: 4px;
	padding: 12px 14px;
	margin-top: 26px;
}

.nhsc-last-updated { font-size: .88rem; color: var(--nhsc-mut); }

/* ---------- Footer ---------- */

.nhsc-footer {
	background: #0F2D4A;
	color: #E7EFF7;
	margin-top: 40px;
}

.nhsc-footer-inner {
	max-width: 1180px;
	margin: 0 auto;
	padding: 34px 16px 20px;
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr;
	gap: 28px;
}

.nhsc-fhead {
	font-size: 1.02rem;
	font-weight: 800;
	color: #fff;
	margin: 0 0 12px;
}

.nhsc-fnote {
	font-size: .9rem;
	color: #C4D6E6;
	margin: 0 0 10px;
	max-width: 46ch;
}

.nhsc-fstatement {
	font-size: .86rem;
	color: #AFC9DE;
	background: rgba(255, 255, 255, .08);
	border-radius: 8px;
	padding: 10px 12px;
	margin: 0;
}

.nhsc-flinks {
	list-style: none;
	margin: 0;
	padding: 0;
	columns: 1;
}

.nhsc-flinks li { margin-bottom: 2px; }

.nhsc-flinks a {
	display: inline-block;
	padding: 6px 0;
	color: #C4D6E6;
	text-decoration: none;
	font-size: .92rem;
	min-height: 44px;
	display: flex;
	align-items: center;
}

.nhsc-flinks a:hover,
.nhsc-flinks a:focus-visible {
	color: #fff;
	outline: 2px solid var(--nhsc-teal);
	outline-offset: 2px;
	border-radius: 6px;
}

.nhsc-footer-base {
	border-top: 1px solid rgba(255, 255, 255, .14);
}

.nhsc-footer-base p {
	max-width: 1180px;
	margin: 0 auto;
	padding: 14px 16px 18px;
	font-size: .84rem;
	color: #9DB7CC;
}

/* ---------- Accessibility helpers ---------- */

.nhsc-sr {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0 0 0 0);
	white-space: nowrap;
	border: 0;
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
	.nhsc-nav {
		display: none;
		position: absolute;
		top: 58px;
		left: 0;
		right: 0;
		background: #fff;
		border-bottom: 1px solid var(--nhsc-line);
		box-shadow: 0 12px 24px rgba(18, 52, 86, .14);
		flex-direction: column;
		align-items: stretch;
		padding: 10px 14px 16px;
		max-height: calc(100vh - 66px);
		overflow-y: auto;
	}

	.nhsc-nav.is-open { display: flex; }

	.nhsc-nav-link { justify-content: space-between; width: 100%; }

	.nhsc-drop-menu {
		position: static;
		display: none;
		box-shadow: none;
		border: 0;
		border-left: 3px solid var(--nhsc-blue-bg);
		border-radius: 0;
		padding: 4px 0 4px 10px;
		width: 100%;
	}

	.nhsc-drop.is-open .nhsc-drop-menu { display: block; }

	.nhsc-burger { display: flex; }
}

@media (max-width: 560px) {
	.nhsc-cat-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 2px 12px 12px; }

	.nhsc-cat-grid .nhsc-card { min-height: 52px; padding: 10px 12px; }
	.nhsc-card-name { font-size: .9rem; }

	.nhsc-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }

	.nhsc-footer-inner { grid-template-columns: 1fr; gap: 20px; }

	.nhsc-page { padding: 24px 0 36px; }
}

@media (max-width: 340px) {
	.nhsc-cat-grid { grid-template-columns: 1fr; }
	.nhsc-grid { grid-template-columns: 1fr; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
	.nhsc-site *,
	.nhsc-site *::before,
	.nhsc-site *::after {
		transition-duration: .01ms !important;
		animation-duration: .01ms !important;
	}
}