/**
 * Sample size calculator — institutional shell.
 * Formulas unchanged (legacy calculation/*.html ports in sample-calculator.js).
 */

.ssa-calc {
	--ssa-calc-primary: #262261;
	--ssa-calc-accent: #EE4036;
	--ssa-calc-accent-ink: #EE4036;
	--ssa-calc-border: #e4e8ef;
	--ssa-calc-muted: #5c6370;
	--ssa-calc-bg: #f4f6f9;
	max-width: var(--ssa-container, 1120px);
	width: 100%;
	margin: 0 auto;
	color: #3d4150;
	font-family: "IBM Plex Sans Arabic", Tahoma, sans-serif;
	box-sizing: border-box;
}

.ssa-calc *,
.ssa-calc *::before,
.ssa-calc *::after {
	box-sizing: border-box;
}

.ssa-calc__panel {
	background: #fff;
	border: 1px solid var(--ssa-calc-border);
	border-radius: 16px;
	padding: clamp(1.15rem, 2.5vw, 1.75rem);
	box-shadow: 0 8px 22px rgba(38, 34, 97, 0.05);
}

.ssa-calc__eyebrow {
	margin: 0 0 0.35rem;
	color: var(--ssa-calc-accent-ink);
	font-weight: 700;
	font-size: 0.88rem;
}

.ssa-calc__panel-title {
	margin: 0 0 0.5rem;
	color: var(--ssa-calc-primary);
	font-size: clamp(1.2rem, 2vw, 1.45rem);
	font-weight: 700;
	line-height: 1.35;
}

.ssa-calc__lead {
	margin: 0 0 1.15rem;
	color: var(--ssa-calc-muted);
	line-height: 1.7;
	max-width: 42rem;
}

.ssa-calc__formulas {
	display: grid;
	grid-template-columns: repeat(4, minmax(0, 1fr));
	gap: 0.65rem;
	margin: 0 0 0.75rem;
	padding: 0;
	list-style: none;
}

.ssa-calc .ssa-calc__formula,
.ssa-calc button.ssa-calc__formula {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	min-height: 48px;
	padding: 0.55rem 0.65rem;
	border: 1px solid var(--ssa-calc-border);
	border-radius: 12px;
	background: #fff;
	color: var(--ssa-calc-primary);
	font-weight: 600;
	font-size: 0.92rem;
	font-family: inherit;
	text-align: center;
	cursor: pointer;
	line-height: 1.35;
	box-shadow: none;
	text-decoration: none;
	appearance: none;
	-webkit-appearance: none;
	transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.ssa-calc .ssa-calc__formula.is-active,
.ssa-calc .ssa-calc__formula:hover,
.ssa-calc .ssa-calc__formula:focus-visible {
	border-color: var(--ssa-calc-primary);
	background: rgba(38, 34, 97, 0.06);
	color: var(--ssa-calc-primary);
	outline: none;
}

.ssa-calc .ssa-calc__formula:focus-visible {
	box-shadow: 0 0 0 3px rgba(238, 64, 54, 0.25);
}

.ssa-calc__blurb {
	margin: 0 0 1rem;
	padding: 0.65rem 0.85rem;
	background: rgba(238, 64, 54, 0.07);
	border-radius: 10px;
	color: var(--ssa-calc-muted);
	font-size: 0.92rem;
	line-height: 1.55;
}

.ssa-calc__form {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.95rem 1rem;
	padding: 1.15rem;
	border: 1px solid var(--ssa-calc-border);
	border-radius: 14px;
	background: var(--ssa-calc-bg);
}

.ssa-calc__field--full {
	grid-column: 1 / -1;
}

.ssa-calc__field label {
	display: block;
	margin-bottom: 0.35rem;
	font-weight: 700;
	color: var(--ssa-calc-primary);
	font-size: 0.95rem;
}

.ssa-calc__req {
	color: var(--ssa-calc-accent);
}

.ssa-calc__field input,
.ssa-calc__field select {
	width: 100%;
	min-height: 48px;
	height: 48px;
	padding: 0 0.85rem;
	border: 1px solid var(--ssa-calc-border);
	border-radius: 10px;
	background: #fff;
	color: #3d4150;
	font: inherit;
}

.ssa-calc__field input:focus,
.ssa-calc__field select:focus {
	outline: 2px solid var(--ssa-calc-accent);
	outline-offset: 1px;
	border-color: var(--ssa-calc-accent);
}

.ssa-calc__field small {
	display: block;
	margin-top: 0.3rem;
	color: var(--ssa-calc-muted);
	font-size: 0.82rem;
	line-height: 1.45;
}

.ssa-calc__actions {
	grid-column: 1 / -1;
	display: flex;
	gap: 0.65rem;
	flex-wrap: wrap;
	margin-top: 0.15rem;
}

.ssa-calc .ssa-calc__submit,
.ssa-calc .ssa-calc__reset,
.ssa-calc button.ssa-calc__submit,
.ssa-calc button.ssa-calc__reset {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 48px;
	padding: 0.55rem 1.25rem;
	border-radius: 10px;
	cursor: pointer;
	font-weight: 700;
	font-size: 0.98rem;
	font-family: inherit;
	appearance: none;
	-webkit-appearance: none;
	text-decoration: none;
	box-shadow: none;
}

.ssa-calc .ssa-calc__submit {
	border: 0;
	background: var(--ssa-calc-primary);
	color: #fff;
}

.ssa-calc .ssa-calc__submit:hover,
.ssa-calc .ssa-calc__submit:focus-visible {
	background: var(--ssa-calc-accent);
	outline: none;
}

.ssa-calc .ssa-calc__reset {
	background: #fff;
	border: 1px solid var(--ssa-calc-border);
	color: #3d4150;
}

.ssa-calc__result {
	margin-top: 1.15rem;
	padding: 1.2rem 1.25rem;
	border: 1px solid rgba(38, 34, 97, 0.18);
	border-radius: 14px;
	background: linear-gradient(145deg, #ffffff 0%, #f3f4fb 100%);
}

.ssa-calc__result-label {
	margin: 0;
	color: var(--ssa-calc-muted);
	font-weight: 600;
	font-size: 0.92rem;
}

.ssa-calc__result-number {
	margin: 0.2rem 0 0.85rem;
	font-size: clamp(2rem, 4vw, 2.6rem);
	font-weight: 800;
	color: var(--ssa-calc-primary);
	line-height: 1.1;
	letter-spacing: -0.02em;
}

.ssa-calc__meta {
	margin: 0;
	padding: 0;
	list-style: none;
	display: grid;
	gap: 0.35rem;
	color: var(--ssa-calc-muted);
	font-size: 0.92rem;
}

.ssa-calc__meta span {
	color: var(--ssa-calc-primary);
	font-weight: 700;
}

.ssa-calc__method {
	margin: 0.85rem 0 0;
	padding-top: 0.75rem;
	border-top: 1px solid var(--ssa-calc-border);
	color: var(--ssa-calc-muted);
	font-size: 0.88rem;
	line-height: 1.55;
}

.ssa-calc__error {
	margin: 0.75rem 0 0;
	padding: 0.65rem 0.8rem;
	border-radius: 8px;
	background: #fdecea;
	color: #991b1b;
	font-weight: 600;
}

/* Soften Elementor duplicate intro above shortcode on calculator page */
body.page-id-2844 .ssa-page-body > .elementor > .elementor-element:first-child .elementor-widget-heading .elementor-heading-title {
	font-size: 1.05rem;
	color: var(--ssa-calc-muted, #5c6370);
	font-weight: 600;
}

body.page-id-2844 .ssa-page-body,
body.page-id-2841 .ssa-page-body,
body.page-id-2846 .ssa-page-body {
	width: var(--ssa-content-width, min(calc(100% - 2 * var(--ssa-container-pad, 1.25rem)), var(--ssa-container, 1120px)));
	max-width: var(--ssa-container, 1120px);
	margin-inline: auto;
	padding-inline: 0;
	padding-bottom: 2.5rem;
	box-sizing: border-box;
}

body.page-id-2844 .elementor-widget-shortcode > .elementor-widget-container,
body.page-id-2841 .elementor-widget-shortcode > .elementor-widget-container,
body.page-id-2846 .elementor-widget-shortcode > .elementor-widget-container {
	margin: 0;
	padding: 0;
}

@media (max-width: 900px) {
	.ssa-calc__formulas {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}
}

@media (max-width: 767px) {
	.ssa-calc__formulas,
	.ssa-calc__form {
		grid-template-columns: 1fr;
	}

	.ssa-calc__panel {
		padding: 1rem 0.9rem;
		border-radius: 12px;
	}

	.ssa-calc__actions {
		flex-direction: column;
	}

	.ssa-calc .ssa-calc__submit,
	.ssa-calc .ssa-calc__reset {
		width: 100%;
	}
}