/**
 * VHC-P7-010 — Family Citizenship Cost Calculator.
 * Mobile-first, uses only vhc-tokens.css custom properties — no
 * hardcoded colors/spacing. RTL-safe via logical properties.
 */

.vhc-calc {
	max-width: var(--vhc-width-content);
	margin-inline: auto;
	padding: var(--vhc-space-lg) var(--vhc-gutter);
	font-family: var(--vhc-font-body);
	color: var(--vhc-color-text);
}

/* ---- Progress indicator ---- */
.vhc-calc__progress {
	display: flex;
	align-items: center;
	gap: var(--vhc-space-xs);
	margin-block-end: var(--vhc-space-lg);
}
.vhc-calc__progress-step {
	flex: 1;
	height: 4px;
	border-radius: var(--vhc-radius-pill);
	background: var(--vhc-color-border);
	transition: background var(--vhc-duration-micro) var(--vhc-ease-out);
}
.vhc-calc__progress-step[data-state="done"],
.vhc-calc__progress-step[data-state="active"] {
	background: var(--vhc-color-accent-gold);
}
.vhc-calc__progress-label {
	font-size: var(--vhc-fs-caption);
	color: var(--vhc-color-text-muted);
	letter-spacing: var(--vhc-ls-label);
	text-transform: uppercase;
}

/* ---- Panels (steps) ---- */
.vhc-calc__panel {
	background: var(--vhc-color-surface);
	border: var(--vhc-border-width) solid var(--vhc-color-border);
	border-radius: var(--vhc-radius-lg);
	padding: var(--vhc-space-lg);
}
.vhc-calc__panel[hidden] { display: none; }

.vhc-calc__title {
	font-family: var(--vhc-font-display);
	font-size: var(--vhc-fs-h2);
	line-height: var(--vhc-lh-heading);
	margin: 0 0 var(--vhc-space-xs);
}
.vhc-calc__subtitle {
	color: var(--vhc-color-text-muted);
	font-size: var(--vhc-fs-body);
	margin: 0 0 var(--vhc-space-md);
}

/* ---- Fields ---- */
.vhc-calc__field {
	margin-block-end: var(--vhc-space-md);
}
.vhc-calc__label {
	display: block;
	font-size: var(--vhc-fs-label);
	font-weight: 600;
	letter-spacing: var(--vhc-ls-label);
	text-transform: uppercase;
	color: var(--vhc-color-text-muted);
	margin-block-end: var(--vhc-space-2xs);
}
.vhc-calc__input,
.vhc-calc__select {
	width: 100%;
	font-family: inherit;
	font-size: var(--vhc-fs-body);
	padding: var(--vhc-space-xs) var(--vhc-space-sm);
	border: var(--vhc-border-width) solid var(--vhc-color-border);
	border-radius: var(--vhc-radius-md);
	background: #fff;
	color: var(--vhc-color-text);
	min-height: 44px; /* touch target */
}
.vhc-calc__input:focus-visible,
.vhc-calc__select:focus-visible,
.vhc-calc__chip:focus-visible,
.vhc-calc__step-btn:focus-visible {
	outline: 2px solid var(--vhc-color-accent-gold);
	outline-offset: 2px;
}

.vhc-calc__stepper {
	display: inline-flex;
	align-items: center;
	gap: var(--vhc-space-xs);
}
.vhc-calc__step-btn {
	width: 40px; height: 40px;
	border-radius: var(--vhc-radius-pill);
	border: var(--vhc-border-width) solid var(--vhc-color-border);
	background: #fff;
	font-size: var(--vhc-fs-h4);
	line-height: 1;
	cursor: pointer;
}
.vhc-calc__step-value {
	min-width: 2.5ch;
	text-align: center;
	font-size: var(--vhc-fs-lead);
	font-weight: 600;
}

.vhc-calc__child-ages,
.vhc-calc__parent-ages {
	display: flex;
	flex-wrap: wrap;
	gap: var(--vhc-space-xs);
	margin-block-start: var(--vhc-space-xs);
}
.vhc-calc__age-group {
	display: flex;
	flex-direction: column;
	gap: 2px;
}
.vhc-calc__age-caption {
	font-size: var(--vhc-fs-caption);
	color: var(--vhc-color-text-muted);
}
.vhc-calc__age-input {
	width: 5rem;
}

/* Toggle chips (yes/no, route choice) */
.vhc-calc__chips {
	display: flex;
	flex-wrap: wrap;
	gap: var(--vhc-space-xs);
}
.vhc-calc__chip {
	padding: var(--vhc-space-xs) var(--vhc-space-sm);
	border-radius: var(--vhc-radius-pill);
	border: var(--vhc-border-width) solid var(--vhc-color-border);
	background: #fff;
	font-size: var(--vhc-fs-body);
	cursor: pointer;
	min-height: 44px;
}
.vhc-calc__chip[aria-pressed="true"] {
	background: var(--vhc-color-primary);
	border-color: var(--vhc-color-primary);
	color: var(--vhc-color-text-inverse);
}

/* ---- Nav row ---- */
.vhc-calc__nav {
	display: flex;
	justify-content: space-between;
	margin-block-start: var(--vhc-space-lg);
}

/* ---- Results ---- */
.vhc-calc__results-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--vhc-space-md);
}
@media (min-width: 768px) {
	.vhc-calc__results-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1100px) {
	.vhc-calc__results-grid { grid-template-columns: repeat(3, 1fr); }
}

.vhc-calc__result-card {
	background: #fff;
	border: var(--vhc-border-width) solid var(--vhc-color-border);
	border-radius: var(--vhc-radius-lg);
	padding: var(--vhc-space-md);
	box-shadow: var(--vhc-shadow-sm);
	display: flex;
	flex-direction: column;
	gap: var(--vhc-space-xs);
}
.vhc-calc__result-programme {
	font-family: var(--vhc-font-display);
	font-size: var(--vhc-fs-h4);
	margin: 0;
}
.vhc-calc__result-route {
	font-size: var(--vhc-fs-caption);
	color: var(--vhc-color-text-muted);
}
.vhc-calc__result-line {
	display: flex;
	justify-content: space-between;
	font-size: var(--vhc-fs-caption);
	color: var(--vhc-color-text-muted);
}
.vhc-calc__result-total {
	font-size: var(--vhc-fs-h3);
	font-weight: 700;
	color: var(--vhc-color-primary);
	margin-block-start: auto;
}
.vhc-calc__result-total-label {
	font-size: var(--vhc-fs-label);
	text-transform: uppercase;
	letter-spacing: var(--vhc-ls-label);
	color: var(--vhc-color-text-muted);
	font-weight: 600;
}
.vhc-calc__result-unavailable {
	color: var(--vhc-color-text-muted);
	font-style: italic;
	font-size: var(--vhc-fs-caption);
	padding-block: var(--vhc-space-sm);
}
.vhc-calc__badge-review {
	display: inline-block;
	font-size: var(--vhc-fs-caption);
	background: rgba(168, 93, 46, 0.12);
	color: var(--vhc-color-warning);
	padding: 2px var(--vhc-space-2xs);
	border-radius: var(--vhc-radius-sm);
}

.vhc-calc__details {
	margin-block-start: var(--vhc-space-xs);
	border-top: var(--vhc-border-width) solid var(--vhc-color-border);
	padding-block-start: var(--vhc-space-xs);
}
.vhc-calc__details summary {
	cursor: pointer;
	font-size: var(--vhc-fs-caption);
	color: var(--vhc-color-accent-gold);
	font-weight: 600;
}
.vhc-calc__details ul {
	margin: var(--vhc-space-2xs) 0 0;
	padding-inline-start: var(--vhc-space-md);
	font-size: var(--vhc-fs-caption);
}

.vhc-calc__investment-note {
	font-size: var(--vhc-fs-caption);
	color: var(--vhc-color-text-muted);
	margin-block-start: var(--vhc-space-sm);
}

/* ---- CTA panel ---- */
.vhc-calc__cta {
	margin-block-start: var(--vhc-space-xl);
	background: var(--vhc-color-primary);
	color: var(--vhc-color-text-inverse);
	border-radius: var(--vhc-radius-lg);
	padding: var(--vhc-space-lg);
	text-align: center;
}
.vhc-calc__cta-title {
	font-family: var(--vhc-font-display);
	font-size: var(--vhc-fs-h3);
	margin: 0 0 var(--vhc-space-2xs);
}
.vhc-calc__cta-subtitle {
	color: var(--vhc-color-text-inverse);
	opacity: 0.85;
	max-width: var(--vhc-width-reading);
	margin: 0 auto var(--vhc-space-md);
}

.vhc-calc__disclaimer {
	font-size: var(--vhc-fs-caption);
	color: var(--vhc-color-text-muted);
	text-align: center;
	margin-block-start: var(--vhc-space-lg);
	max-width: var(--vhc-width-reading);
	margin-inline: auto;
}

.vhc-calc__field-error {
	color: var(--vhc-color-error);
	font-size: var(--vhc-fs-caption);
	margin-block: var(--vhc-space-xs) 0;
}

.vhc-calc__loading {
	text-align: center;
	padding: var(--vhc-space-lg);
	color: var(--vhc-color-text-muted);
}

/* No unnecessary animation: a single, short, reduced-motion-safe fade
   between steps only. */
.vhc-calc__panel {
	transition: opacity var(--vhc-duration-micro) var(--vhc-ease-out);
}
@media (prefers-reduced-motion: reduce) {
	.vhc-calc__panel,
	.vhc-calc__progress-step { transition: none; }
}