/*
 * Benhar Fitness BMI Calculator — front-end styles.
 * Every selector is scoped under .bfbmi-wrap and prefixed with "bfbmi-" so
 * the plugin never leaks into or collides with theme/page-builder styles.
 */

.bfbmi-wrap {
	--bfbmi-primary: #0F2A3F;
	--bfbmi-secondary: #1FAE6E;
	--bfbmi-accent: #FF8A3D;
	--bfbmi-button: #2F80ED;
	--bfbmi-radius: 16px;
	--bfbmi-font-size: 16px;

	--bfbmi-ink: #17212B;
	--bfbmi-muted: #5B6B77;
	--bfbmi-line: #E4EAEE;
	--bfbmi-surface: #FFFFFF;
	--bfbmi-bg-tint: #F4F8F9;

	--bfbmi-under: #2F80ED;
	--bfbmi-healthy: #1FAE6E;
	--bfbmi-over: #FF8A3D;
	--bfbmi-obese: #E2564B;

	display: block;
	box-sizing: border-box;
	max-width: 880px;
	margin: 0 auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	font-size: var(--bfbmi-font-size);
	line-height: 1.6;
	color: var(--bfbmi-ink);
}

.bfbmi-wrap *,
.bfbmi-wrap *::before,
.bfbmi-wrap *::after {
	box-sizing: inherit;
}

.bfbmi-wrap img { max-width: 100%; }

.bfbmi-wrap .screen-reader-text {
	position: absolute !important;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}

/* ---------- Shared building blocks ---------- */

.bfbmi-card {
	background: var(--bfbmi-surface);
	border-radius: var(--bfbmi-radius);
	box-shadow: 0 1px 2px rgba(15, 42, 63, 0.06), 0 12px 32px -16px rgba(15, 42, 63, 0.18);
}

.bfbmi-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5em;
	padding: 0.85em 1.6em;
	font-size: 1em;
	font-weight: 700;
	letter-spacing: 0.01em;
	border-radius: calc(var(--bfbmi-radius) * 0.65);
	border: 2px solid transparent;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
	min-height: 48px;
}

.bfbmi-btn-primary {
	background: linear-gradient(135deg, var(--bfbmi-button), var(--bfbmi-secondary));
	color: #fff;
	box-shadow: 0 10px 24px -10px color-mix(in srgb, var(--bfbmi-button) 70%, transparent);
}

.bfbmi-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 14px 28px -10px color-mix(in srgb, var(--bfbmi-button) 75%, transparent); }
.bfbmi-btn-primary:active { transform: translateY(0); }

.bfbmi-btn-ghost {
	background: transparent;
	border-color: var(--bfbmi-line);
	color: var(--bfbmi-primary);
}
.bfbmi-btn-ghost:hover { border-color: var(--bfbmi-button); color: var(--bfbmi-button); }

.bfbmi-wrap button:focus-visible,
.bfbmi-wrap input:focus-visible,
.bfbmi-wrap a:focus-visible {
	outline: 3px solid var(--bfbmi-button);
	outline-offset: 2px;
}

/* ---------- Calculator card ---------- */

.bfbmi-calculator {
	position: relative;
	overflow: hidden;
	padding: clamp(1.5rem, 4vw, 2.75rem);
	background: linear-gradient(160deg, var(--bfbmi-primary) 0%, color-mix(in srgb, var(--bfbmi-primary) 80%, #000 10%) 60%, var(--bfbmi-primary) 100%);
	color: #fff;
	isolation: isolate;
}

.bfbmi-calculator::before {
	content: "";
	position: absolute;
	inset: -40% -10% auto auto;
	width: 60%;
	height: 140%;
	background: radial-gradient(circle at 70% 30%, color-mix(in srgb, var(--bfbmi-secondary) 55%, transparent), transparent 70%);
	z-index: -1;
	pointer-events: none;
}

.bfbmi-title {
	margin: 0 0 0.35em;
	font-size: clamp(1.6rem, 3.4vw, 2.2rem);
	font-weight: 800;
	letter-spacing: -0.01em;
	line-height: 1.15;
}

.bfbmi-subtitle {
	margin: 0 0 1.75em;
	max-width: 46em;
	color: rgba(255, 255, 255, 0.82);
	font-size: 1.02em;
}

.bfbmi-form { display: block; }

.bfbmi-field-group { margin-bottom: 1.25em; }

.bfbmi-field-row {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1.25em;
}

@media (min-width: 640px) {
	.bfbmi-field-row { grid-template-columns: 1fr 1fr; }
}

.bfbmi-label {
	display: block;
	margin-bottom: 0.5em;
	font-weight: 700;
	font-size: 0.92em;
	letter-spacing: 0.01em;
	color: rgba(255, 255, 255, 0.92);
}

.bfbmi-input {
	width: 100%;
	min-height: 48px;
	padding: 0.7em 0.9em;
	font-size: 1.05em;
	font-family: inherit;
	color: var(--bfbmi-ink);
	background: #fff;
	border: 2px solid transparent;
	border-radius: calc(var(--bfbmi-radius) * 0.55);
	transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

.bfbmi-input:focus {
	border-color: var(--bfbmi-button);
	box-shadow: 0 0 0 4px color-mix(in srgb, var(--bfbmi-button) 25%, transparent);
	outline: none;
}

.bfbmi-input.bfbmi-invalid { border-color: var(--bfbmi-obese); }

.bfbmi-two-up {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.9em;
}

.bfbmi-toggle-pair {
	display: inline-flex;
	flex-wrap: wrap;
	gap: 0.6em;
}

.bfbmi-radio-pill {
	position: relative;
	display: inline-flex;
	align-items: center;
	padding: 0.6em 1.1em;
	min-height: 44px;
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.1);
	border: 2px solid rgba(255, 255, 255, 0.25);
	color: rgba(255, 255, 255, 0.92);
	font-weight: 600;
	font-size: 0.95em;
	cursor: pointer;
	transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.bfbmi-radio-pill input {
	position: absolute;
	opacity: 0;
	width: 100%;
	height: 100%;
	cursor: pointer;
	margin: 0;
}

.bfbmi-radio-pill:has(input:checked) {
	background: var(--bfbmi-accent);
	border-color: var(--bfbmi-accent);
	color: #241505;
}

.bfbmi-radio-pill:has(input:focus-visible) {
	outline: 3px solid #fff;
	outline-offset: 2px;
}

.bfbmi-error {
	margin: 0.5em 0 0;
	color: #FFD7D2;
	font-size: 0.9em;
	font-weight: 600;
}

.bfbmi-calculator .bfbmi-error { color: #FFE1B8; }

.bfbmi-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.9em;
	margin-top: 1.5em;
}

.bfbmi-privacy-note {
	margin-top: 1.25em;
	font-size: 0.85em;
	color: rgba(255, 255, 255, 0.65);
}

.bfbmi-disclaimer {
	margin-top: 2em;
	padding-top: 1.25em;
	border-top: 1px solid rgba(255, 255, 255, 0.18);
	font-size: 0.83em;
	color: rgba(255, 255, 255, 0.6);
}

/* Height/weight unit visibility toggled via JS by adding this class */
.bfbmi-hide-field { display: none !important; }

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

.bfbmi-result {
	margin-top: 2em;
	padding-top: 2em;
	border-top: 1px solid rgba(255, 255, 255, 0.18);
	animation: bfbmi-fade-up 0.35s ease both;
}

@keyframes bfbmi-fade-up {
	from { opacity: 0; transform: translateY(10px); }
	to { opacity: 1; transform: translateY(0); }
}

.bfbmi-result-top { text-align: center; margin-bottom: 1.5em; }

.bfbmi-result-label {
	margin: 0;
	font-weight: 700;
	letter-spacing: 0.08em;
	text-transform: uppercase;
	font-size: 0.8em;
	color: rgba(255, 255, 255, 0.7);
}

.bfbmi-result-value {
	margin: 0.1em 0;
	font-size: clamp(3rem, 9vw, 4.2rem);
	font-weight: 800;
	line-height: 1;
	background: linear-gradient(135deg, #fff, var(--bfbmi-secondary));
	-webkit-background-clip: text;
	background-clip: text;
	color: transparent;
}

.bfbmi-result-category {
	display: inline-block;
	margin: 0.35em 0 0;
	padding: 0.35em 1em;
	border-radius: 999px;
	font-weight: 700;
	font-size: 0.95em;
	background: rgba(255, 255, 255, 0.14);
}

.bfbmi-result-category[data-cat="under"] { background: var(--bfbmi-under); color: #fff; }
.bfbmi-result-category[data-cat="healthy"] { background: var(--bfbmi-healthy); color: #06210f; }
.bfbmi-result-category[data-cat="over"] { background: var(--bfbmi-over); color: #2a1200; }
.bfbmi-result-category[data-cat="obese"] { background: var(--bfbmi-obese); color: #fff; }

/* Gauge — the signature visual element */
.bfbmi-gauge { margin: 1.75em 0; }

.bfbmi-gauge-track {
	position: relative;
	display: flex;
	height: 22px;
	border-radius: 999px;
	overflow: visible;
	box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.bfbmi-gauge-seg { display: block; height: 100%; }
.bfbmi-gauge-seg:first-child { border-radius: 999px 0 0 999px; }
.bfbmi-gauge-seg:last-child { border-radius: 0 999px 999px 0; }

.bfbmi-seg-under { flex: 1.85; background: var(--bfbmi-under); }
.bfbmi-seg-healthy { flex: 2.15; background: var(--bfbmi-healthy); }
.bfbmi-seg-over { flex: 2.0; background: var(--bfbmi-over); }
.bfbmi-seg-obese { flex: 2.0; background: var(--bfbmi-obese); }

.bfbmi-gauge-marker {
	position: absolute;
	top: 50%;
	left: 0%;
	width: 34px;
	height: 34px;
	margin-left: -17px;
	border-radius: 50%;
	background: #fff;
	border: 5px solid var(--bfbmi-primary);
	box-shadow: 0 4px 10px rgba(0, 0, 0, 0.35);
	transform: translateY(-50%);
	transition: left 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.bfbmi-gauge-labels {
	display: flex;
	justify-content: space-between;
	margin-top: 0.6em;
	font-size: 0.78em;
	font-weight: 700;
	color: rgba(255, 255, 255, 0.75);
	text-align: center;
}
.bfbmi-gauge-labels span { flex: 1; }

.bfbmi-child-note {
	padding: 0.9em 1.1em;
	margin-bottom: 1.25em;
	border-radius: calc(var(--bfbmi-radius) * 0.5);
	background: rgba(255, 255, 255, 0.1);
	border: 1px solid rgba(255, 255, 255, 0.22);
	font-size: 0.92em;
}

.bfbmi-message {
	font-size: 1.02em;
	color: rgba(255, 255, 255, 0.9);
	margin-bottom: 1.5em;
}

.bfbmi-result-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 1em;
	margin-bottom: 1.5em;
}

@media (min-width: 640px) {
	.bfbmi-result-grid { grid-template-columns: 1fr 1fr; }
}

.bfbmi-result-tile {
	padding: 1em 1.1em;
	border-radius: calc(var(--bfbmi-radius) * 0.6);
	background: rgba(255, 255, 255, 0.08);
	border: 1px solid rgba(255, 255, 255, 0.16);
}

.bfbmi-tile-label {
	display: block;
	font-size: 0.78em;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: rgba(255, 255, 255, 0.65);
	margin-bottom: 0.35em;
}

.bfbmi-tile-value { font-size: 1.15em; font-weight: 700; }

.bfbmi-entered-info {
	padding: 1.1em 1.25em;
	border-radius: calc(var(--bfbmi-radius) * 0.6);
	background: #fff;
	color: var(--bfbmi-ink);
	margin-bottom: 1.5em;
}

.bfbmi-entered-info-title {
	margin: 0 0 0.75em;
	font-size: 0.95em;
	font-weight: 800;
	color: var(--bfbmi-primary);
}

.bfbmi-entered-list {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 0.9em 1.5em;
	margin: 0;
}

.bfbmi-entered-list dt {
	font-size: 0.75em;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	color: var(--bfbmi-muted);
	margin-bottom: 0.2em;
}

.bfbmi-entered-list dd { margin: 0; font-weight: 700; }

.bfbmi-result-actions { margin-top: 0; }

.bfbmi-share-status {
	min-height: 1.4em;
	margin: 0.6em 0 0;
	font-size: 0.88em;
	color: rgba(255, 255, 255, 0.85);
}

/* ---------- Educational content ---------- */

.bfbmi-content,
.bfbmi-faq,
.bfbmi-related {
	margin-top: 2.5em;
	padding: clamp(1.25rem, 3vw, 2rem);
	background: var(--bfbmi-bg-tint);
	border-radius: var(--bfbmi-radius);
}

.bfbmi-content h2,
.bfbmi-faq h2,
.bfbmi-related h2 {
	font-size: clamp(1.25rem, 2.4vw, 1.55rem);
	font-weight: 800;
	color: var(--bfbmi-primary);
	margin: 1.6em 0 0.6em;
	padding-left: 0.75em;
	border-left: 5px solid var(--bfbmi-accent);
}

.bfbmi-content h2:first-child { margin-top: 0; }

.bfbmi-content h3 {
	font-size: 1.05rem;
	font-weight: 700;
	color: var(--bfbmi-ink);
	margin: 1.1em 0 0.4em;
}

.bfbmi-content p { color: var(--bfbmi-muted); margin: 0 0 0.9em; }

.bfbmi-list { margin: 0 0 1em; padding-left: 1.3em; color: var(--bfbmi-muted); }
.bfbmi-list li { margin-bottom: 0.5em; }

.bfbmi-table-wrap { overflow-x: auto; margin-bottom: 1em; }

.bfbmi-table {
	width: 100%;
	border-collapse: collapse;
	min-width: 480px;
	background: #fff;
	border-radius: calc(var(--bfbmi-radius) * 0.5);
	overflow: hidden;
}

.bfbmi-table th,
.bfbmi-table td {
	padding: 0.85em 1em;
	text-align: left;
	border-bottom: 1px solid var(--bfbmi-line);
	font-size: 0.95em;
}

.bfbmi-table th {
	background: var(--bfbmi-primary);
	color: #fff;
	font-weight: 700;
}

.bfbmi-table tbody tr:last-child td { border-bottom: none; }
.bfbmi-table tbody tr:nth-child(even) { background: var(--bfbmi-bg-tint); }

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

.bfbmi-faq-item {
	border-bottom: 1px solid var(--bfbmi-line);
}
.bfbmi-faq-item:last-child { border-bottom: none; }

.bfbmi-faq-question-wrap { margin: 0; }

.bfbmi-faq-question {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1em;
	width: 100%;
	padding: 1em 0.25em;
	background: none;
	border: none;
	text-align: left;
	font-size: 1.02em;
	font-weight: 700;
	color: var(--bfbmi-ink);
	cursor: pointer;
	min-height: 48px;
}

.bfbmi-faq-icon {
	flex-shrink: 0;
	position: relative;
	width: 20px;
	height: 20px;
}
.bfbmi-faq-icon::before,
.bfbmi-faq-icon::after {
	content: "";
	position: absolute;
	background: var(--bfbmi-button);
	border-radius: 2px;
}
.bfbmi-faq-icon::before { width: 100%; height: 3px; top: 50%; left: 0; transform: translateY(-50%); }
.bfbmi-faq-icon::after { width: 3px; height: 100%; top: 0; left: 50%; transform: translateX(-50%); transition: transform 0.2s ease; }

.bfbmi-faq-question[aria-expanded="true"] .bfbmi-faq-icon::after { transform: translateX(-50%) scaleY(0); }

.bfbmi-faq-answer { padding: 0 0.25em 1.1em; }
.bfbmi-faq-answer p { margin: 0; color: var(--bfbmi-muted); }

/* ---------- Related calculators ---------- */

.bfbmi-related-grid {
	display: grid;
	grid-template-columns: 1fr;
	gap: 0.9em;
}

@media (min-width: 640px) {
	.bfbmi-related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
	.bfbmi-related-grid { grid-template-columns: repeat(3, 1fr); }
}

.bfbmi-related-card {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.75em;
	padding: 1.1em 1.25em;
	min-height: 48px;
	background: #fff;
	border-radius: calc(var(--bfbmi-radius) * 0.6);
	border: 2px solid var(--bfbmi-line);
	color: var(--bfbmi-primary);
	font-weight: 700;
	text-decoration: none;
	transition: border-color 0.15s ease, transform 0.15s ease;
}

.bfbmi-related-card:hover {
	border-color: var(--bfbmi-button);
	transform: translateY(-2px);
}

.bfbmi-related-arrow { color: var(--bfbmi-accent); font-weight: 800; }

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
	.bfbmi-wrap * {
		animation-duration: 0.001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: 0.001ms !important;
	}
}

/* ---------- Print ---------- */

@media print {
	.bfbmi-wrap .bfbmi-form,
	.bfbmi-wrap .bfbmi-actions,
	.bfbmi-wrap .bfbmi-related,
	.bfbmi-wrap .bfbmi-faq {
		display: none !important;
	}
	.bfbmi-wrap .bfbmi-calculator {
		background: none !important;
		color: #000 !important;
	}
	.bfbmi-wrap .bfbmi-result-value,
	.bfbmi-wrap .bfbmi-message,
	.bfbmi-wrap .bfbmi-gauge-labels,
	.bfbmi-wrap .bfbmi-entered-info {
		color: #000 !important;
		-webkit-text-fill-color: #000 !important;
	}
}

/* ---------- Small screens ---------- */

@media (max-width: 480px) {
	.bfbmi-entered-list { grid-template-columns: 1fr 1fr; gap: 0.7em 1em; }
	.bfbmi-btn { width: 100%; }
	.bfbmi-actions { flex-direction: column; }
}