/**
 * Calculator card styles.
 *
 * Loaded only on pages that actually contain a calculator.
 *
 * Touch targets are 48px minimum, inputs are 16px so iOS does not zoom on
 * focus, and every state that uses colour also carries text or an icon.
 */

.cp-calculator {
	margin-top: var(--cp-space-5);
	border: 1px solid var(--cp-border);
	border-radius: var(--cp-radius-lg);
	background: var(--cp-bg);
	box-shadow: var(--cp-shadow-sm);
	overflow: hidden;
}

.cp-calculator__form {
	padding: var(--cp-space-5);
}

.cp-calculator__fields {
	display: grid;
	gap: var(--cp-space-4);
}

/* Fields ------------------------------------------------------------------ */

.cp-field {
	margin: 0;
	padding: 0;
	border: 0;
	min-width: 0;
}

.cp-field[hidden] {
	display: none;
}

.cp-field__label {
	display: block;
	margin-bottom: var(--cp-space-2);
	padding: 0;
	font-size: var(--cp-text-sm);
	font-weight: var(--cp-weight-semibold);
	color: var(--cp-navy);
}

.cp-field__optional {
	margin-left: var(--cp-space-1);
	font-weight: var(--cp-weight-normal);
	color: var(--cp-text-muted);
}

.cp-field__help {
	margin: 0 0 var(--cp-space-2);
	font-size: var(--cp-text-sm);
	line-height: var(--cp-leading-snug);
	color: var(--cp-text-muted);
}

.cp-field__error {
	display: flex;
	align-items: flex-start;
	gap: var(--cp-space-2);
	margin: var(--cp-space-2) 0 0;
	font-size: var(--cp-text-sm);
	line-height: var(--cp-leading-snug);
	color: var(--cp-error);
}

.cp-field__error[hidden] {
	display: none;
}

/* The icon means the message is not communicated by colour alone. */
.cp-field__error::before {
	content: "!";
	flex: 0 0 auto;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 16px;
	height: 16px;
	margin-top: 2px;
	border-radius: 50%;
	background: var(--cp-error);
	color: #fff;
	font-size: 11px;
	font-weight: var(--cp-weight-bold);
}

/* Inputs ------------------------------------------------------------------ */

.cp-input {
	width: 100%;
	min-height: 48px;
	padding: 0 var(--cp-space-3);
	border: 1px solid var(--cp-border-strong);
	border-radius: var(--cp-radius);
	background: var(--cp-bg);
	font-family: inherit;
	font-size: var(--cp-text-base); /* 16px keeps iOS from zooming. */
	color: var(--cp-text);
	transition: border-color var(--cp-transition), box-shadow var(--cp-transition);
	appearance: none;
}

.cp-input:hover {
	border-color: var(--cp-navy);
}

.cp-input:focus-visible {
	outline: none;
	border-color: var(--cp-blue);
	box-shadow: 0 0 0 3px var(--cp-blue-light);
}

.cp-input[aria-invalid="true"] {
	border-color: var(--cp-error);
}

.cp-input[aria-invalid="true"]:focus-visible {
	box-shadow: 0 0 0 3px var(--cp-error-bg);
}

/* Hide the spinner — the arrows are a mis-click hazard on number fields. */
.cp-input--number::-webkit-outer-spin-button,
.cp-input--number::-webkit-inner-spin-button {
	margin: 0;
	appearance: none;
}

.cp-input--number {
	-moz-appearance: textfield;
}

.cp-input--select,
.cp-input--unit {
	padding-right: var(--cp-space-6);
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='none' stroke='%2364748b' stroke-width='2' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right var(--cp-space-3) center;
	cursor: pointer;
}

.cp-input--range {
	min-height: 0;
	padding: 0;
	border: 0;
	background: transparent;
}

/* Input groups ------------------------------------------------------------ */

.cp-input-group {
	display: flex;
	align-items: stretch;
	gap: var(--cp-space-2);
	position: relative;
}

.cp-input-group--affixed .cp-input {
	padding-right: var(--cp-space-7);
}

.cp-input-group--affixed .cp-input__affix--before + .cp-input {
	padding-left: var(--cp-space-6);
	padding-right: var(--cp-space-3);
}

.cp-input__affix {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	font-size: var(--cp-text-base);
	color: var(--cp-text-muted);
	pointer-events: none;
}

.cp-input__affix--before {
	left: var(--cp-space-3);
}

.cp-input__affix--after {
	right: var(--cp-space-3);
}

.cp-input--unit {
	flex: 0 0 auto;
	width: auto;
	min-width: 110px;
}

/* Choices ----------------------------------------------------------------- */

.cp-field--modes {
	padding-bottom: var(--cp-space-4);
	margin-bottom: var(--cp-space-1);
	border-bottom: 1px solid var(--cp-border);
}

.cp-choices {
	display: flex;
	flex-wrap: wrap;
	gap: var(--cp-space-2);
}

.cp-choice {
	display: inline-flex;
	align-items: center;
	gap: var(--cp-space-2);
	min-height: 44px;
	padding: 0 var(--cp-space-4);
	border: 1px solid var(--cp-border-strong);
	border-radius: var(--cp-radius-pill);
	background: var(--cp-bg);
	font-size: var(--cp-text-sm);
	color: var(--cp-text);
	cursor: pointer;
	transition: border-color var(--cp-transition), background-color var(--cp-transition);
}

.cp-choice:hover {
	border-color: var(--cp-blue);
}

.cp-choice:has(input:checked) {
	border-color: var(--cp-blue);
	background: var(--cp-blue-light);
	color: var(--cp-navy);
	font-weight: var(--cp-weight-semibold);
}

.cp-choice:has(input:focus-visible) {
	outline: 2px solid var(--cp-focus);
	outline-offset: 2px;
}

.cp-choice input {
	accent-color: var(--cp-blue);
	width: 16px;
	height: 16px;
	margin: 0;
}

.cp-checkbox {
	display: inline-flex;
	align-items: center;
	gap: var(--cp-space-2);
	min-height: 44px;
	cursor: pointer;
}

.cp-checkbox input {
	width: 18px;
	height: 18px;
	margin: 0;
	accent-color: var(--cp-blue);
}

/* Actions and errors ------------------------------------------------------ */

.cp-calculator__actions {
	display: flex;
	flex-wrap: wrap;
	gap: var(--cp-space-3);
	margin-top: var(--cp-space-5);
}

.cp-calculator__error {
	display: flex;
	align-items: flex-start;
	gap: var(--cp-space-2);
	margin: var(--cp-space-4) 0 0;
	padding: var(--cp-space-3) var(--cp-space-4);
	border: 1px solid var(--cp-error);
	border-radius: var(--cp-radius);
	background: var(--cp-error-bg);
	font-size: var(--cp-text-sm);
	color: var(--cp-error);
}

.cp-calculator__error[hidden] {
	display: none;
}

/* Result ------------------------------------------------------------------ */

.cp-result {
	padding: var(--cp-space-5);
	border-top: 1px solid var(--cp-border);
	background: var(--cp-bg-soft);
}

.cp-result[hidden] {
	display: none;
}

.cp-result:focus {
	outline: none;
}

.cp-result__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--cp-space-3);
	margin-bottom: var(--cp-space-4);
}

.cp-result__title {
	margin: 0;
	font-size: var(--cp-text-xs);
	font-weight: var(--cp-weight-bold);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--cp-text-muted);
}

.cp-result__values {
	display: grid;
	gap: var(--cp-space-3);
}

.cp-result__item {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	justify-content: space-between;
	gap: var(--cp-space-2);
	padding-bottom: var(--cp-space-3);
	border-bottom: 1px solid var(--cp-border);
}

.cp-result__item:last-child {
	padding-bottom: 0;
	border-bottom: 0;
}

.cp-result__item--primary {
	flex-direction: column;
	align-items: flex-start;
	gap: var(--cp-space-1);
}

.cp-result__label {
	font-size: var(--cp-text-sm);
	color: var(--cp-text-muted);
}

.cp-result__value {
	font-size: var(--cp-text-lg);
	font-weight: var(--cp-weight-semibold);
	color: var(--cp-navy);
	font-variant-numeric: tabular-nums;
}

.cp-result__item--primary .cp-result__value {
	font-size: var(--cp-text-3xl);
	font-weight: var(--cp-weight-bold);
	line-height: var(--cp-leading-tight);
	color: var(--cp-blue);
	letter-spacing: -0.02em;
	word-break: break-word;
}

.cp-result__note {
	flex-basis: 100%;
	font-size: var(--cp-text-sm);
	color: var(--cp-text-muted);
}

/* Steps ------------------------------------------------------------------- */

.cp-result__steps {
	margin-top: var(--cp-space-5);
	padding-top: var(--cp-space-4);
	border-top: 1px solid var(--cp-border);
}

.cp-result__steps[hidden] {
	display: none;
}

.cp-result__steps-title {
	margin: 0 0 var(--cp-space-3);
	font-size: var(--cp-text-xs);
	font-weight: var(--cp-weight-bold);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--cp-text-muted);
}

.cp-steps {
	margin: 0;
	padding-left: var(--cp-space-5);
	display: grid;
	gap: var(--cp-space-3);
}

.cp-steps__item {
	font-size: var(--cp-text-sm);
	color: var(--cp-text);
}

.cp-steps__label {
	display: block;
	margin-bottom: var(--cp-space-1);
	color: var(--cp-text-muted);
}

.cp-steps__expression {
	display: inline-block;
	padding: var(--cp-space-1) var(--cp-space-2);
	border-radius: var(--cp-radius-sm);
	background: var(--cp-bg);
	border: 1px solid var(--cp-border);
	font-family: var(--cp-font-mono);
	font-size: 0.875rem;
	color: var(--cp-navy);
	word-break: break-word;
}

/* Mobile ------------------------------------------------------------------ */

@media (max-width: 600px) {

	.cp-calculator__form,
	.cp-result {
		padding: var(--cp-space-4);
	}

	.cp-calculator__actions .cp-button {
		flex: 1 1 auto;
	}

	.cp-result__item--primary .cp-result__value {
		font-size: var(--cp-text-2xl);
	}

	.cp-choice {
		flex: 1 1 100%;
		justify-content: flex-start;
	}
}

/* Multi-line input -------------------------------------------------------- */

.cp-input--textarea {
	min-height: 0;
	padding: var(--cp-space-3);
	line-height: var(--cp-leading-snug);
	font-family: var(--cp-font-mono);
	font-size: 0.9375rem;
	resize: vertical;
}

/* Multi-line results (generated tables and grids) -------------------------- */

.cp-result__value--block {
	display: block;
	width: 100%;
	max-width: 100%;
	margin-top: var(--cp-space-2);
	padding: var(--cp-space-4);
	overflow-x: auto;
	border: 1px solid var(--cp-border);
	border-radius: var(--cp-radius);
	background: var(--cp-bg);
	font-family: var(--cp-font-mono);
	font-size: 0.875rem;
	font-weight: var(--cp-weight-normal);
	line-height: 1.6;
	white-space: pre;
	color: var(--cp-text);
	letter-spacing: 0;
}

.cp-result__item--primary .cp-result__value--block {
	font-size: 0.875rem;
	color: var(--cp-text);
}


/* Standing disclaimer (finance and health) --------------------------------- */

/*
 * Placed after the result so it is read alongside an answer rather than
 * dismissed as a preamble. Deliberately quiet — a warning that shouts at every
 * visit stops being read, and this one needs to still be legible on the
 * hundredth page.
 */

.cp-disclaimer {
	display: flex;
	gap: var(--cp-space-3);
	align-items: flex-start;
	margin-top: var(--cp-space-5);
	padding: var(--cp-space-4);
	border: 1px solid var(--cp-border);
	border-radius: var(--cp-radius);
	background: var(--cp-bg-soft);
}

.cp-disclaimer__icon {
	flex: 0 0 auto;
	width: 1.125rem;
	height: 1.125rem;
	margin-top: 0.125rem;
	color: var(--cp-text-muted);
}

.cp-disclaimer__text {
	margin: 0;
	font-size: 0.875rem;
	line-height: 1.6;
	color: var(--cp-text-muted);
}

@media (max-width: 40rem) {
	.cp-disclaimer {
		padding: var(--cp-space-3);
	}
}