/* ==========================================================================
   C-Trafo — Bruxo Lab
   Tema claro (harmoniza com fundo branco do site). Acentos: cobre + âmbar
   (cor de fio de cobre e verniz esmaltado) + teal escuro (leitura/medição).
   Layout compacto — cabe numa tela de desktop sem precisar rolar demais.
   ========================================================================== */

.ctrafo-widget {
	--ct-bg: #ffffff;
	--ct-panel: #fbf8f3;
	--ct-panel-raised: #f2ece1;
	--ct-border: #e6ddcd;
	--ct-copper: #b5651d;
	--ct-copper-light: #e3a76f;
	--ct-copper-soft: rgba(181, 101, 29, 0.1);
	--ct-amber: #9c7a1f;
	--ct-teal: #0f766e;
	--ct-teal-soft: rgba(15, 118, 110, 0.1);
	--ct-core: #8b93a3;
	--ct-text: #211c16;
	--ct-text-dim: #6d6558;
	--ct-danger: #b3392a;
	--ct-radius: 14px;

	--font-display: 'Space Grotesk', 'Segoe UI', system-ui, sans-serif;
	--font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
	--font-mono: 'JetBrains Mono', 'Courier New', monospace;

	display: block;
	color: var(--ct-text);
	font-family: var(--font-body);
	max-width: 800px;
	margin: 1.5rem auto !important;
	box-sizing: border-box;
}

.ctrafo-widget *,
.ctrafo-widget *::before,
.ctrafo-widget *::after {
	box-sizing: border-box;
}

.ctrafo-card {
	background: var(--ct-bg);
	border: 1px solid var(--ct-border);
	border-radius: var(--ct-radius);
	padding: 1.3rem 1.4rem;
	position: relative;
	overflow: hidden;
	box-shadow: 0 24px 48px -28px rgba(60, 45, 20, 0.18);
}

.ctrafo-card::before {
	content: '';
	position: absolute;
	inset: 0;
	background-image:
		radial-gradient(circle at 12% 8%, rgba(181, 101, 29, 0.06), transparent 40%),
		radial-gradient(circle at 88% 92%, rgba(15, 118, 110, 0.05), transparent 40%);
	pointer-events: none;
}

/* ---------- Header ---------- */

.ctrafo-header {
	position: relative;
	margin-bottom: 1rem;
}

.ctrafo-eyebrow {
	display: inline-block;
	font-family: var(--font-mono);
	font-size: 0.64rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
	color: var(--ct-copper);
	border: 1px solid rgba(181, 101, 29, 0.3);
	background: var(--ct-copper-soft);
	padding: 0.15rem 0.5rem;
	border-radius: 999px;
	margin-bottom: 0.5rem;
}

.ctrafo-title {
	font-family: var(--font-display);
	font-size: 1.4rem;
	font-weight: 700;
	letter-spacing: -0.01em;
	margin: 0 0 0.3rem;
	color: var(--ct-text);
}

.ctrafo-title-accent {
	color: var(--ct-copper);
}

.ctrafo-subtitle {
	color: var(--ct-text-dim);
	font-size: 0.78rem;
	line-height: 1.45;
	max-width: 58ch;
	margin: 0 0 0.8rem;
}

/* ---------- Alternador de modo ---------- */

.ctrafo-mode-toggle {
	display: inline-flex;
	background: var(--ct-panel);
	border: 1px solid var(--ct-border);
	border-radius: 999px;
	padding: 3px;
	gap: 2px;
}

.ctrafo-mode-btn {
	font-family: var(--font-display);
	font-weight: 600;
	font-size: 0.72rem;
	padding: 0.35rem 0.85rem;
	border-radius: 999px;
	border: none;
	background: transparent;
	color: var(--ct-text-dim);
	cursor: pointer;
	transition: background 0.15s ease, color 0.15s ease;
}

.ctrafo-mode-btn:hover {
	color: var(--ct-text);
}

.ctrafo-mode-btn.is-active {
	background: var(--ct-copper);
	color: #fff8f0;
}

/* ---------- Body layout ---------- */

.ctrafo-body {
	position: relative;
	display: grid;
	grid-template-columns: 1.15fr 0.85fr;
	gap: 1.1rem;
	align-items: start;
}

@media (max-width: 720px) {
	.ctrafo-body {
		grid-template-columns: 1fr;
	}
}

/* ---------- Form ---------- */

.ctrafo-form {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.7rem;
	align-content: start;
}

.ctrafo-field--wide {
	grid-column: 1 / -1;
}

/* Grid/flex items têm largura mínima implícita = largura do conteúdo
   ("min-width: auto"), o que pode estourar o card em rótulos longos
   dentro de colunas estreitas. Zerando explicitamente, o texto passa a
   quebrar linha normalmente em vez de vazar pra fora do card. */
.ctrafo-form > .ctrafo-field,
.ctrafo-subfields-grid > .ctrafo-field {
	min-width: 0;
}

.ctrafo-field label {
	/* Texto simples em fluxo normal (não flex) — flexbox trava a largura
	   do item de texto no conteúdo inteiro numa linha só, o que
	   estourava o card em rótulos longos como "Corrente nominal do
	   equipamento" depois do layout ficar mais compacto. Em fluxo normal
	   o texto quebra linha normalmente respeitando a largura do card. */
	display: block;
	width: 100%;
	font-size: 0.72rem;
	color: var(--ct-text-dim);
	margin-bottom: 0.3rem;
	font-weight: 500;
	line-height: 1.35;
	overflow-wrap: break-word;
	word-break: break-word;
}

.ctrafo-help {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 15px;
	height: 15px;
	border-radius: 50%;
	background: var(--ct-panel-raised);
	border: 1px solid var(--ct-border);
	font-size: 0.62rem;
	color: var(--ct-teal);
	cursor: help;
	position: relative;
	vertical-align: middle;
	margin-left: 0.3rem;
}

.ctrafo-help:hover::after,
.ctrafo-help:focus::after {
	content: attr(data-tip);
	position: absolute;
	bottom: 130%;
	left: 50%;
	transform: translateX(-50%);
	width: 220px;
	background: var(--ct-text);
	color: #fff;
	font-size: 0.7rem;
	line-height: 1.4;
	padding: 0.5rem 0.6rem;
	border-radius: 8px;
	z-index: 5;
	font-weight: 400;
}

.ctrafo-input-group {
	display: flex;
	align-items: center;
	background: var(--ct-panel);
	border: 1px solid var(--ct-border);
	border-radius: 9px;
	overflow: hidden;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ctrafo-input-group:focus-within {
	border-color: var(--ct-copper);
	box-shadow: 0 0 0 3px var(--ct-copper-soft);
}

.ctrafo-input-group input {
	flex: 1;
	min-width: 0;
	background: transparent;
	border: none;
	outline: none;
	color: var(--ct-text);
	font-family: var(--font-mono);
	font-size: 0.85rem;
	padding: 0.5rem 0.6rem;
}

.ctrafo-input-group input[type="number"]::-webkit-inner-spin-button,
.ctrafo-input-group input[type="number"]::-webkit-outer-spin-button {
	-webkit-appearance: none;
	margin: 0;
}
.ctrafo-input-group input[type="number"] {
	appearance: textfield;
}

.ctrafo-unit {
	font-family: var(--font-mono);
	font-size: 0.7rem;
	color: var(--ct-text-dim);
	padding: 0 0.6rem;
	border-left: 1px solid var(--ct-border);
	white-space: nowrap;
}

.ctrafo-select {
	width: 100%;
	background: var(--ct-panel);
	border: 1px solid var(--ct-border);
	border-radius: 9px;
	color: var(--ct-text);
	font-family: var(--font-body);
	font-size: 0.8rem;
	padding: 0.5rem 0.6rem;
	cursor: pointer;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ctrafo-select:focus {
	outline: none;
	border-color: var(--ct-copper);
	box-shadow: 0 0 0 3px var(--ct-copper-soft);
}

.ctrafo-range-row {
	display: flex;
	align-items: center;
	gap: 0.6rem;
}

.ctrafo-range-row input[type="range"] {
	flex: 1;
	accent-color: var(--ct-amber);
	height: 4px;
}

.ctrafo-input-group--sm {
	width: 120px;
	flex-shrink: 0;
}

/* ---------- Segmented control (fase / tecnologia / partida) ---------- */

.ctrafo-segmented {
	display: flex;
	background: var(--ct-panel);
	border: 1px solid var(--ct-border);
	border-radius: 9px;
	padding: 3px;
	gap: 2px;
}

.ctrafo-seg-btn {
	flex: 1;
	font-family: var(--font-body);
	font-weight: 500;
	font-size: 0.72rem;
	padding: 0.4rem 0.5rem;
	border-radius: 7px;
	border: none;
	background: transparent;
	color: var(--ct-text-dim);
	cursor: pointer;
	transition: background 0.15s ease, color 0.15s ease;
}

.ctrafo-seg-btn:hover {
	color: var(--ct-text);
}

.ctrafo-seg-btn.is-active {
	background: var(--ct-bg);
	color: var(--ct-copper);
	box-shadow: 0 1px 3px rgba(60, 45, 20, 0.15);
}

/* ---------- Subcampos condicionais (equipamento) ---------- */

.ctrafo-subfields {
	background: var(--ct-panel);
	border: 1px dashed var(--ct-border);
	border-radius: 9px;
	padding: 0.7rem;
}

.ctrafo-subfields-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.7rem;
}

@media (max-width: 480px) {
	.ctrafo-subfields-grid {
		grid-template-columns: 1fr;
	}
}

.ctrafo-checkbox-field {
	display: flex;
	align-items: center;
}

.ctrafo-checkbox {
	display: flex;
	align-items: flex-start;
	gap: 0.5rem;
	font-size: 0.72rem;
	color: var(--ct-text-dim);
	cursor: pointer;
	margin: 0;
	font-weight: 400;
}

.ctrafo-checkbox input[type="checkbox"] {
	margin-top: 2px;
	accent-color: var(--ct-copper);
	width: 15px;
	height: 15px;
	flex-shrink: 0;
}

/* ---------- Botões e ações ---------- */

.ctrafo-actions {
	grid-column: 1 / -1;
	display: flex;
	gap: 0.6rem;
	margin-top: 0.2rem;
}

.ctrafo-btn {
	font-family: var(--font-display);
	font-weight: 600;
	font-size: 0.8rem;
	padding: 0.55rem 1.1rem;
	border-radius: 9px;
	border: 1px solid transparent;
	cursor: pointer;
	transition: transform 0.12s ease, filter 0.15s ease, background 0.15s ease;
}

.ctrafo-btn:active {
	transform: translateY(1px);
}

.ctrafo-btn--primary {
	background: linear-gradient(135deg, var(--ct-copper) 0%, var(--ct-copper-light) 100%);
	color: #fff8f0;
}

.ctrafo-btn--primary:hover {
	filter: brightness(1.06);
}

.ctrafo-btn--ghost {
	background: transparent;
	border-color: var(--ct-border);
	color: var(--ct-text-dim);
}

.ctrafo-btn--ghost:hover {
	color: var(--ct-text);
	border-color: var(--ct-text-dim);
}

.ctrafo-error {
	grid-column: 1 / -1;
	color: var(--ct-danger);
	font-size: 0.75rem;
	margin: 0;
}

/* ---------- Diagrama SVG — Bobinagem (assinatura visual 1) ---------- */

.ctrafo-diagram-wrap {
	background: var(--ct-panel);
	border: 1px solid var(--ct-border);
	border-radius: 11px;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	padding: 0.8rem;
	gap: 0.5rem;
}

.ctrafo-diagram {
	width: 100%;
	height: auto;
	max-width: 230px;
}

.ctrafo-coil path {
	opacity: 0.45;
	transition: opacity 0.4s ease, filter 0.4s ease;
}

.ctrafo-widget.is-calculated .ctrafo-coil--pri path {
	opacity: 1;
	filter: drop-shadow(0 0 3px rgba(181, 101, 29, 0.45));
}

.ctrafo-widget.is-calculated .ctrafo-coil--sec path {
	opacity: 1;
	filter: drop-shadow(0 0 3px rgba(156, 122, 31, 0.45));
}

.ctrafo-label {
	font-family: var(--font-mono);
	font-size: 9px;
	fill: var(--ct-text-dim);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.ctrafo-readout {
	font-family: var(--font-mono);
	font-size: 11px;
	font-weight: 600;
	fill: var(--ct-teal);
	opacity: 0;
	transition: opacity 0.4s ease 0.15s;
}

.ctrafo-widget.is-calculated .ctrafo-readout {
	opacity: 1;
}

/* ---------- Gauge — Equipamentos (assinatura visual 2) ---------- */

.ctrafo-gauge {
	width: 100%;
	height: auto;
	max-width: 200px;
}

.ctrafo-gauge [data-gauge-arc] {
	transition: stroke-dashoffset 0.5s ease;
}

.ctrafo-gauge [data-gauge-needle] {
	transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
	transform: rotate(-90deg);
}

.ctrafo-gauge-readout {
	text-align: center;
}

.ctrafo-gauge-value {
	display: block;
	font-family: var(--font-mono);
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--ct-teal);
}

.ctrafo-gauge-caption {
	display: block;
	font-size: 0.68rem;
	color: var(--ct-text-dim);
	margin-top: 0.15rem;
}

/* ---------- Resultados ---------- */

.ctrafo-results {
	position: relative;
	margin-top: 1.1rem;
	padding-top: 1rem;
	border-top: 1px dashed var(--ct-border);
	animation: ctrafo-reveal 0.35s ease;
}

@keyframes ctrafo-reveal {
	from { opacity: 0; transform: translateY(6px); }
	to { opacity: 1; transform: translateY(0); }
}

.ctrafo-result-grid {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1px;
	background: var(--ct-border);
	border: 1px solid var(--ct-border);
	border-radius: 9px;
	overflow: hidden;
}

@media (max-width: 720px) {
	.ctrafo-result-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

.ctrafo-result {
	background: var(--ct-panel);
	padding: 0.6rem 0.7rem;
	display: flex;
	flex-direction: column;
	gap: 0.3rem;
}

.ctrafo-result--highlight {
	background: var(--ct-copper-soft);
}

.ctrafo-result-label {
	font-size: 0.66rem;
	color: var(--ct-text-dim);
	line-height: 1.3;
}

.ctrafo-result-value {
	font-family: var(--font-mono);
	font-size: 0.9rem;
	color: var(--ct-teal);
	font-weight: 600;
}

.ctrafo-result--highlight .ctrafo-result-value {
	color: var(--ct-copper);
}

.ctrafo-motivo {
	font-size: 0.74rem;
	color: var(--ct-text);
	background: var(--ct-teal-soft);
	border-left: 3px solid var(--ct-teal);
	padding: 0.5rem 0.6rem;
	border-radius: 0 8px 8px 0;
	margin: 0.7rem 0 0;
	line-height: 1.45;
}

.ctrafo-disclaimer {
	font-size: 0.68rem;
	color: var(--ct-text-dim);
	line-height: 1.45;
	margin: 0.7rem 0 0;
}

/* ---------- Footer ---------- */

.ctrafo-footer {
	margin-top: 1rem;
	padding-top: 0.6rem;
	border-top: 1px solid var(--ct-border);
	font-size: 0.7rem;
	color: var(--ct-text-dim);
	display: flex;
	justify-content: flex-end;
}

.ctrafo-footer a {
	color: var(--ct-copper);
	text-decoration: none;
	font-weight: 600;
}

.ctrafo-footer a:hover {
	text-decoration: underline;
}

/* Espaçador real (não é margem) para garantir respiro abaixo do widget mesmo
   quando o tema zera a margem do último elemento do conteúdo. */
.ctrafo-spacer {
	height: 1.2rem;
	width: 100%;
}

/* ---------- Botão de propaganda (Hotmart) ---------- */

.ctrafo-promo {
	text-align: center;
	margin-top: 1rem;
	padding-top: 0.9rem;
	border-top: 1px dashed var(--ct-border);
}

.ctrafo-promo-btn {
	display: inline-block;
	background: var(--ct-amber);
	color: #211c16;
	font-weight: 700;
	font-size: 0.78rem;
	text-decoration: none;
	padding: 0.55rem 1.1rem;
	border-radius: 8px;
	transition: filter 0.15s ease, transform 0.12s ease;
}

.ctrafo-promo-btn:hover {
	filter: brightness(1.08);
	transform: translateY(-1px);
	color: #211c16;
}

.ctrafo-promo-desc {
	margin: 0.4rem 0 0 0;
	font-size: 0.68rem;
	color: var(--ct-text-dim);
}

/* ---------- Acessibilidade ---------- */

@media (prefers-reduced-motion: reduce) {
	.ctrafo-results,
	.ctrafo-coil path,
	.ctrafo-readout,
	.ctrafo-gauge [data-gauge-needle],
	.ctrafo-gauge [data-gauge-arc] {
		animation: none !important;
		transition: none !important;
	}
}

.ctrafo-widget a:focus-visible,
.ctrafo-widget button:focus-visible,
.ctrafo-widget input:focus-visible,
.ctrafo-widget select:focus-visible {
	outline: 2px solid var(--ct-teal);
	outline-offset: 2px;
}