/**
 * Calculadora de IMC — Guia Saúde
 * UI premium, acessível, responsiva
 */

.gs-imc {
	--imc-primary: #0d9488;
	--imc-primary-dark: #0f766e;
	--imc-primary-soft: #ccfbf1;
	--imc-surface: #ffffff;
	--imc-surface-2: #f8fafc;
	--imc-border: #e2e8f0;
	--imc-text: #0f172a;
	--imc-muted: #64748b;
	--imc-radius: 1rem;
	--imc-radius-sm: 0.75rem;
	--imc-shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
	--imc-shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.08);
	font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
	color: var(--imc-text);
	line-height: 1.6;
}

.gs-imc__inner {
	max-width: 1100px;
	margin: 0 auto;
}

.gs-imc__intro {
	display: flex;
	gap: 1.25rem;
	align-items: flex-start;
	margin-bottom: 2rem;
	padding: 1.5rem;
	background: linear-gradient(135deg, var(--imc-primary-soft) 0%, #fff 60%);
	border: 1px solid rgba(13, 148, 136, 0.15);
	border-radius: var(--imc-radius);
}

.gs-imc__intro-icon {
	flex-shrink: 0;
	width: 3rem;
	height: 3rem;
	display: flex;
	align-items: center;
	justify-content: center;
	background: var(--imc-primary);
	color: #fff;
	border-radius: 0.875rem;
	box-shadow: 0 8px 20px rgba(13, 148, 136, 0.35);
}

.gs-imc__title {
	margin: 0 0 0.5rem;
	font-size: clamp(1.35rem, 2.5vw, 1.6rem);
	font-weight: 800;
	letter-spacing: -0.02em;
	color: var(--imc-text);
}

.gs-imc__lead {
	margin: 0;
	font-size: 0.95rem;
	color: var(--imc-muted);
	max-width: 58ch;
}

.gs-imc__layout {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1.5rem;
	margin-bottom: 2rem;
}

@media (max-width: 900px) {
	.gs-imc__layout {
		grid-template-columns: 1fr;
	}
}

.gs-imc__panel {
	background: var(--imc-surface);
	border: 1px solid var(--imc-border);
	border-radius: var(--imc-radius);
	box-shadow: var(--imc-shadow);
	overflow: hidden;
}

.gs-imc__panel--form {
	padding: 1.75rem;
}

.gs-imc__panel--result {
	padding: 1.75rem;
	min-height: 420px;
	display: flex;
	flex-direction: column;
	position: relative;
}

.gs-imc__fieldset {
	border: 0;
	padding: 0;
	margin: 0 0 1.5rem;
}

.gs-imc__legend {
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--imc-text);
	margin-bottom: 0.75rem;
}

.gs-imc__segmented {
	display: flex;
	gap: 0;
	background: var(--imc-surface-2);
	padding: 0.25rem;
	border-radius: var(--imc-radius-sm);
	border: 1px solid var(--imc-border);
}

.gs-imc__segment {
	flex: 1;
	position: relative;
	cursor: pointer;
}

.gs-imc__segment input {
	position: absolute;
	opacity: 0;
	pointer-events: none;
}

.gs-imc__segment span {
	display: block;
	text-align: center;
	padding: 0.65rem 0.75rem;
	font-size: 0.875rem;
	font-weight: 600;
	color: var(--imc-muted);
	border-radius: calc(var(--imc-radius-sm) - 2px);
	transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.gs-imc__segment input:focus-visible + span {
	outline: 2px solid var(--imc-primary);
	outline-offset: 2px;
}

.gs-imc__segment input:checked + span {
	background: var(--imc-surface);
	color: var(--imc-primary-dark);
	box-shadow: 0 2px 8px rgba(15, 23, 42, 0.06);
}

.gs-imc__fields {
	display: flex;
	flex-direction: column;
	gap: 1.25rem;
}

.gs-imc__fields.is-hidden {
	display: none !important;
}

.gs-imc__field-row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 1rem;
}

.gs-imc__field label {
	display: block;
	font-size: 0.875rem;
	font-weight: 600;
	margin-bottom: 0.4rem;
	color: var(--imc-text);
}

.gs-imc__input-wrap {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	background: var(--imc-surface-2);
	border: 1px solid var(--imc-border);
	border-radius: var(--imc-radius-sm);
	padding: 0.25rem 0.75rem;
	transition: border-color 0.2s, box-shadow 0.2s;
}

.gs-imc__input-wrap:focus-within {
	border-color: var(--imc-primary);
	box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.gs-imc__input-wrap input {
	flex: 1;
	min-width: 0;
	border: 0;
	background: transparent;
	padding: 0.65rem 0;
	font-size: 1.05rem;
	font-weight: 600;
	color: var(--imc-text);
}

.gs-imc__input-wrap input::placeholder {
	color: #94a3b8;
	font-weight: 500;
}

.gs-imc__suffix {
	font-size: 0.8rem;
	font-weight: 700;
	color: var(--imc-muted);
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

.gs-imc__actions {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 0.5rem;
}

.gs-imc__btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	padding: 0.85rem 1.35rem;
	font-family: inherit;
	font-size: 0.95rem;
	font-weight: 700;
	border-radius: var(--imc-radius-sm);
	border: none;
	cursor: pointer;
	transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}

.gs-imc__btn:active {
	transform: scale(0.98);
}

.gs-imc__btn--primary {
	background: linear-gradient(135deg, var(--imc-primary) 0%, #0d9488 100%);
	color: #fff;
	box-shadow: 0 8px 24px rgba(13, 148, 136, 0.35);
}

.gs-imc__btn--primary:hover {
	box-shadow: 0 8px 28px rgba(13, 148, 136, 0.45);
}

.gs-imc__btn--ghost {
	background: transparent;
	color: var(--imc-muted);
	border: 1px solid var(--imc-border);
}

.gs-imc__btn--ghost:hover {
	color: var(--imc-text);
	border-color: #cbd5e1;
}

.gs-imc__btn--secondary {
	background: var(--imc-surface-2);
	color: var(--imc-text);
	border: 1px solid var(--imc-border);
	font-weight: 600;
}

.gs-imc__btn--secondary:hover {
	background: #f1f5f9;
}

.gs-imc__hint {
	margin: 1rem 0 0;
	font-size: 0.8rem;
	color: var(--imc-muted);
}

/* Result panel */
#gs-imc-result-panel[data-state="empty"] .gs-imc__empty {
	display: block;
}

#gs-imc-result-panel[data-state="result"] .gs-imc__empty {
	display: none;
}

.gs-imc__empty {
	text-align: center;
	padding: 2rem 1rem;
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

.gs-imc__empty-graphic {
	color: var(--imc-muted);
	opacity: 0.45;
	margin-bottom: 1rem;
}

.gs-imc__empty-title {
	font-weight: 700;
	margin: 0 0 0.5rem;
	color: var(--imc-text);
}

.gs-imc__empty-text {
	margin: 0;
	font-size: 0.9rem;
	color: var(--imc-muted);
	max-width: 28ch;
}

.gs-imc__result.is-hidden {
	display: none !important;
}

.gs-imc__result-header {
	text-align: center;
	margin-bottom: 1.5rem;
}

.gs-imc__result-label {
	font-size: 0.75rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--imc-muted);
	margin: 0 0 0.35rem;
}

.gs-imc__result-value {
	font-size: clamp(2.5rem, 6vw, 3.25rem);
	font-weight: 800;
	letter-spacing: -0.03em;
	line-height: 1;
	margin: 0;
	color: var(--imc-text);
	font-variant-numeric: tabular-nums;
}

.gs-imc__result-category {
	margin: 0.5rem 0 0;
	font-size: 1.05rem;
	font-weight: 700;
}

.gs-imc__cat--under {
	color: #0284c7;
}
.gs-imc__cat--normal {
	color: #059669;
}
.gs-imc__cat--over {
	color: #ca8a04;
}
.gs-imc__cat--ob1 {
	color: #ea580c;
}
.gs-imc__cat--ob2 {
	color: #dc2626;
}
.gs-imc__cat--ob3 {
	color: #991b1b;
}

.gs-imc__gauge {
	margin-bottom: 1.25rem;
}

.gs-imc__gauge-track {
	position: relative;
	height: 14px;
	border-radius: 999px;
	overflow: visible;
}

.gs-imc__gauge-gradient {
	height: 100%;
	border-radius: 999px;
	background: linear-gradient(
		90deg,
		#38bdf8 0%,
		#22c55e 28%,
		#eab308 52%,
		#f97316 72%,
		#ef4444 100%
	);
	opacity: 0.9;
}

.gs-imc__gauge-marker {
	position: absolute;
	top: 50%;
	width: 14px;
	height: 14px;
	margin-left: -7px;
	background: #fff;
	border: 3px solid var(--imc-text);
	border-radius: 50%;
	transform: translateY(-50%);
	box-shadow: 0 2px 8px rgba(15, 23, 42, 0.25);
	transition: left 0.35s cubic-bezier(0.4, 0, 0.2, 1);
	z-index: 2;
}

.gs-imc__gauge-labels {
	display: flex;
	justify-content: space-between;
	font-size: 0.65rem;
	font-weight: 600;
	color: var(--imc-muted);
	margin-top: 0.35rem;
	font-variant-numeric: tabular-nums;
}

.gs-imc__interpretation {
	font-size: 0.9rem;
	color: var(--imc-text);
	background: var(--imc-surface-2);
	padding: 1rem 1.15rem;
	border-radius: var(--imc-radius-sm);
	border-left: 4px solid var(--imc-primary);
	margin-bottom: 1rem;
}

.gs-imc__facts {
	margin: 0;
	padding: 0 0 0 1.15rem;
	font-size: 0.85rem;
	color: var(--imc-muted);
}

.gs-imc__facts li {
	margin-bottom: 0.35rem;
}

.gs-imc__result-actions {
	margin-top: auto;
	padding-top: 1rem;
}

.gs-imc__error {
	margin-top: 1rem;
	padding: 0.85rem 1rem;
	background: #fef2f2;
	border: 1px solid #fecaca;
	border-radius: var(--imc-radius-sm);
	color: #991b1b;
	font-size: 0.875rem;
	font-weight: 600;
}

.gs-imc__error.is-hidden {
	display: none !important;
}

/* Reference table */
.gs-imc__reference {
	margin-bottom: 1.5rem;
	padding: 1.5rem;
	background: var(--imc-surface-2);
	border-radius: var(--imc-radius);
	border: 1px solid var(--imc-border);
}

.gs-imc__ref-title {
	margin: 0 0 1rem;
	font-size: 1.05rem;
	font-weight: 800;
}

.gs-imc__table-wrap {
	overflow-x: auto;
	border-radius: var(--imc-radius-sm);
	border: 1px solid var(--imc-border);
	background: var(--imc-surface);
}

.gs-imc__table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.875rem;
}

.gs-imc__table th,
.gs-imc__table td {
	padding: 0.75rem 1rem;
	text-align: left;
	border-bottom: 1px solid var(--imc-border);
}

.gs-imc__table th {
	background: #f1f5f9;
	font-weight: 700;
	color: var(--imc-text);
}

.gs-imc__table tr:last-child td {
	border-bottom: none;
}

.gs-imc__ref-note {
	margin: 1rem 0 0;
	font-size: 0.8rem;
	color: var(--imc-muted);
}

.gs-imc__footer-note {
	padding: 1.25rem;
	background: #fffbeb;
	border: 1px solid #fde68a;
	border-radius: var(--imc-radius);
	font-size: 0.85rem;
	color: #78350f;
}

.gs-imc__footer-note p {
	margin: 0;
}

/* Print */
@media print {
	.gs-imc__actions,
	.gs-imc__result-actions {
		display: none !important;
	}

	.gs-imc__panel {
		box-shadow: none;
		border: 1px solid #ccc;
	}

	.gs-imc__intro {
		background: #fff;
		border: 1px solid #ccc;
	}
}