/*
 * KidsDirect Tools & Calculators — shared design system
 * Scoped under .kdtc-calc so it never leaks into (or fights with) the
 * site theme / Elementor. Colors and spacing are exposed as CSS custom
 * properties on .kdtc-calc so any single calculator can be re-themed by
 * overriding variables on a wrapper element, e.g.:
 *   .kdtc-calc.kdtc-theme-babies { --kdtc-accent: #c0568b; }
 */

.kdtc-calc {
	--kdtc-accent: #3f6fb3;
	--kdtc-accent-dark: #2c517f;
	--kdtc-accent-soft: #eaf1fb;
	--kdtc-ink: #1f2937;
	--kdtc-muted: #5b6472;
	--kdtc-border: #dbe2ea;
	--kdtc-bg: #ffffff;
	--kdtc-panel-bg: #f7f9fc;
	--kdtc-warn-bg: #fff6e5;
	--kdtc-warn-border: #f0c36d;
	--kdtc-warn-ink: #7a5300;
	--kdtc-danger-bg: #fdeceb;
	--kdtc-danger-border: #eba39b;
	--kdtc-danger-ink: #8a2a20;
	--kdtc-good-bg: #eaf7ee;
	--kdtc-good-border: #a9d9b6;
	--kdtc-good-ink: #1e6b39;
	--kdtc-radius: 14px;
	--kdtc-radius-sm: 8px;
	--kdtc-shadow: 0 1px 2px rgba(20, 30, 50, 0.06), 0 8px 24px -12px rgba(20, 30, 50, 0.18);
	--kdtc-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

	box-sizing: border-box;
	font-family: var(--kdtc-font);
	color: var(--kdtc-ink);
	background: var(--kdtc-bg);
	border: 1px solid var(--kdtc-border);
	border-radius: var(--kdtc-radius);
	box-shadow: var(--kdtc-shadow);
	max-width: 640px;
	margin: 1.75em auto;
	padding: 0;
	overflow: hidden;
	line-height: 1.5;
	font-size: 16px;
}

.kdtc-calc *,
.kdtc-calc *::before,
.kdtc-calc *::after {
	box-sizing: inherit;
}

.kdtc-calc__header {
	background: linear-gradient(135deg, var(--kdtc-accent), var(--kdtc-accent-dark));
	color: #fff;
	padding: 1.1em 1.4em;
}

.kdtc-calc__header .kdtc-calc__title {
	margin: 0;
	font-size: 1.25em;
	font-weight: 700;
	line-height: 1.3;
	color: #fff !important;
}

.kdtc-calc__header .kdtc-calc__subtitle {
	margin: 0.35em 0 0;
	font-size: 0.9em;
	opacity: 0.92;
	font-weight: 400;
	color: #fff !important;
}

.kdtc-calc__body {
	padding: 1.4em;
}

.kdtc-calc__intro {
	margin: 0 0 1.1em;
	color: var(--kdtc-muted);
	font-size: 0.95em;
}

.kdtc-field {
	margin-bottom: 1em;
}

.kdtc-field:last-child {
	margin-bottom: 0;
}

.kdtc-field__label {
	display: block;
	font-weight: 600;
	font-size: 0.92em;
	margin-bottom: 0.35em;
	color: var(--kdtc-ink);
}

.kdtc-field__hint {
	display: block;
	font-weight: 400;
	font-size: 0.85em;
	color: var(--kdtc-muted);
	margin-top: 0.25em;
}

.kdtc-row {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75em;
}

.kdtc-row > .kdtc-field {
	flex: 1 1 160px;
	margin-bottom: 0;
}

.kdtc-input,
.kdtc-select {
	width: 100%;
	font: inherit;
	font-size: 1em;
	padding: 0.6em 0.7em;
	border: 1px solid var(--kdtc-border);
	border-radius: var(--kdtc-radius-sm);
	background: #fff;
	color: var(--kdtc-ink);
	appearance: none;
	-webkit-appearance: none;
}

.kdtc-select {
	background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%235b6472'%3e%3cpath fill-rule='evenodd' d='M5.23 7.21a.75.75 0 011.06.02L10 11.06l3.71-3.83a.75.75 0 111.08 1.04l-4.25 4.4a.75.75 0 01-1.08 0l-4.25-4.4a.75.75 0 01.02-1.06z' clip-rule='evenodd'/%3e%3c/svg%3e");
	background-repeat: no-repeat;
	background-position: right 0.65em center;
	background-size: 1.1em;
	padding-right: 2.2em;
}

.kdtc-input:focus,
.kdtc-select:focus {
	outline: none;
	border-color: var(--kdtc-accent);
	box-shadow: 0 0 0 3px var(--kdtc-accent-soft);
}

.kdtc-input.kdtc-input--invalid {
	border-color: var(--kdtc-danger-border);
}

.kdtc-radio-group {
	display: flex;
	gap: 0.6em;
	flex-wrap: wrap;
}

.kdtc-radio {
	position: relative;
}

.kdtc-radio input {
	position: absolute;
	opacity: 0;
	inset: 0;
	margin: 0;
	cursor: pointer;
}

.kdtc-radio span {
	display: inline-flex;
	align-items: center;
	gap: 0.4em;
	padding: 0.55em 1em;
	border: 1px solid var(--kdtc-border);
	border-radius: 999px;
	font-size: 0.92em;
	font-weight: 600;
	color: var(--kdtc-muted);
	background: #fff;
	cursor: pointer;
	transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.kdtc-radio input:checked + span {
	background: var(--kdtc-accent);
	border-color: var(--kdtc-accent);
	color: #fff;
}

.kdtc-radio input:focus-visible + span {
	box-shadow: 0 0 0 3px var(--kdtc-accent-soft);
}

.kdtc-actions {
	display: flex;
	align-items: center;
	gap: 0.9em;
	margin-top: 1.2em;
}

.kdtc-btn-reset {
	background: none;
	border: none;
	padding: 0;
	font: inherit;
	font-size: 0.88em;
	color: var(--kdtc-muted);
	text-decoration: underline;
	cursor: pointer;
}

.kdtc-btn-reset:hover {
	color: var(--kdtc-ink);
}

.kdtc-results {
	margin-top: 1.4em;
	border-top: 1px dashed var(--kdtc-border);
	padding-top: 1.2em;
}

.kdtc-results[hidden] {
	display: none !important;
}

.kdtc-result-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.7em;
}

@media (min-width: 480px) {
	.kdtc-result-grid--2col {
		grid-template-columns: 1fr 1fr;
	}
}

.kdtc-result {
	background: var(--kdtc-panel-bg);
	border: 1px solid var(--kdtc-border);
	border-radius: var(--kdtc-radius-sm);
	padding: 0.85em 1em;
}

.kdtc-result--highlight {
	background: var(--kdtc-accent-soft);
	border-color: var(--kdtc-accent);
}

.kdtc-result__label {
	display: block;
	font-size: 0.8em;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--kdtc-muted);
	font-weight: 700;
	margin-bottom: 0.3em;
}

.kdtc-result__value {
	font-size: 1.15em;
	font-weight: 700;
	color: var(--kdtc-accent-dark);
}

.kdtc-result__note {
	display: block;
	font-size: 0.82em;
	color: var(--kdtc-muted);
	margin-top: 0.25em;
	font-weight: 400;
}

.kdtc-note {
	border-radius: var(--kdtc-radius-sm);
	border: 1px solid var(--kdtc-border);
	background: var(--kdtc-panel-bg);
	padding: 0.75em 0.9em;
	font-size: 0.86em;
	color: var(--kdtc-muted);
	margin-top: 1em;
}

.kdtc-note--warn {
	background: var(--kdtc-warn-bg);
	border-color: var(--kdtc-warn-border);
	color: var(--kdtc-warn-ink);
}

.kdtc-note--danger {
	background: var(--kdtc-danger-bg);
	border-color: var(--kdtc-danger-border);
	color: var(--kdtc-danger-ink);
}

.kdtc-note--good {
	background: var(--kdtc-good-bg);
	border-color: var(--kdtc-good-border);
	color: var(--kdtc-good-ink);
}

.kdtc-note[hidden] {
	display: none !important;
}

.kdtc-note strong {
	display: block;
	margin-bottom: 0.2em;
}

.kdtc-progress {
	margin: 0.9em 0 1.2em;
}

.kdtc-progress__track {
	position: relative;
	height: 10px;
	border-radius: 999px;
	background: var(--kdtc-panel-bg);
	border: 1px solid var(--kdtc-border);
	overflow: hidden;
}

.kdtc-progress__fill {
	position: absolute;
	inset: 0;
	width: 0%;
	background: linear-gradient(90deg, var(--kdtc-accent), var(--kdtc-accent-dark));
	border-radius: 999px;
	transition: width 300ms ease;
}

.kdtc-progress__labels {
	display: flex;
	justify-content: space-between;
	font-size: 0.78em;
	color: var(--kdtc-muted);
	margin-top: 0.35em;
}

.kdtc-timeline {
	list-style: none;
	margin: 0;
	padding: 0;
	border-left: 2px solid var(--kdtc-border);
}

.kdtc-timeline__item {
	position: relative;
	padding: 0 0 1.1em 1.1em;
}

.kdtc-timeline__item:last-child {
	padding-bottom: 0;
}

.kdtc-timeline__item::before {
	content: "";
	position: absolute;
	left: -6px;
	top: 0.3em;
	width: 10px;
	height: 10px;
	border-radius: 50%;
	background: var(--kdtc-accent);
	border: 2px solid #fff;
	box-shadow: 0 0 0 1px var(--kdtc-accent);
}

.kdtc-timeline__item--current::before {
	background: #fff;
	box-shadow: 0 0 0 3px var(--kdtc-accent);
}

.kdtc-timeline__date {
	font-weight: 700;
	color: var(--kdtc-accent-dark);
	font-size: 0.95em;
}

.kdtc-timeline__label {
	font-weight: 600;
	margin: 0.1em 0 0.15em;
}

.kdtc-timeline__note {
	font-size: 0.85em;
	color: var(--kdtc-muted);
	margin: 0;
}

.kdtc-timeline__group-title {
	font-size: 0.78em;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	font-weight: 700;
	color: var(--kdtc-accent);
	margin: 1.1em 0 0.5em -1.1em;
	padding-left: 1.1em;
}

.kdtc-timeline__group-title:first-child {
	margin-top: 0;
}

.kdtc-footnote {
	padding: 0.9em 1.4em 1.2em;
	font-size: 0.78em;
	color: var(--kdtc-muted);
	border-top: 1px solid var(--kdtc-border);
	background: var(--kdtc-panel-bg);
}

.kdtc-footnote p {
	margin: 0.3em 0;
}

.kdtc-visually-hidden {
	position: absolute !important;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.kdtc-summary-toggle {
	background: none;
	border: none;
	padding: 0;
	font: inherit;
	font-size: 0.86em;
	color: var(--kdtc-accent-dark);
	text-decoration: underline;
	cursor: pointer;
	margin-top: 0.6em;
}

/*
 * Per-instance re-theming, using the variable-override pattern documented
 * at the top of this file. kdtc-theme-{gender} is added automatically by
 * [kd_baby_names] (kdtc-theme-boys / kdtc-theme-girls); boys keeps the
 * default blue above, girls gets a rose palette here. Any other calculator
 * can opt into either just by adding the matching class to its wrapper.
 */
.kdtc-calc.kdtc-theme-girls {
	--kdtc-accent: #b3467d;
	--kdtc-accent-dark: #8a2f5c;
	--kdtc-accent-soft: #fbe7f0;
	--kdtc-border: #f0d3e0;
	--kdtc-panel-bg: #fdf5f9;
}

/* Dark-mode friendliness when the theme applies prefers-color-scheme itself */
@media (prefers-color-scheme: dark) {
	.kdtc-calc.kdtc-auto-dark {
		--kdtc-ink: #e7ebf1;
		--kdtc-muted: #a3adba;
		--kdtc-border: #333c49;
		--kdtc-bg: #1b2330;
		--kdtc-panel-bg: #232c3b;
		--kdtc-accent-soft: #24334a;
	}
	.kdtc-calc.kdtc-auto-dark .kdtc-input,
	.kdtc-calc.kdtc-auto-dark .kdtc-select,
	.kdtc-calc.kdtc-auto-dark .kdtc-radio span {
		background: #232c3b;
		color: #e7ebf1;
	}
}