/*!
 * Transformer Calculator — module CSS (e2z-tfc- prefix).
 * Color scheme (spec): Primary #1E3A8A (navy), Secondary #78350F (copper),
 * Accent #0891B2, Success #16A34A, BG #F1F5F9.
 * Scope: .e2z-tool-transformer-calculator (framework shortcode wrapper).
 */

.e2z-tool-transformer-calculator,
.e2z-tool-transformer-calculator *,
.e2z-tool-transformer-calculator *::before,
.e2z-tool-transformer-calculator *::after {
	box-sizing: border-box;
}

.e2z-tool-transformer-calculator .e2z-tfc-container {
	font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
	line-height: 1.5;
	color: #1E293B;
	width: 100%;
	margin: 0 auto;
	background: #F1F5F9;
	border-radius: 12px;
	box-shadow: 0 4px 20px rgba(30, 58, 138, 0.10);
	overflow: hidden;
}

/* Header */
.e2z-tool-transformer-calculator .e2z-tfc-header {
	padding: 24px 16px;
	background: linear-gradient(135deg, #1E3A8A, #78350F);
	color: #fff;
	text-align: center;
}
.e2z-tool-transformer-calculator .e2z-tfc-title {
	font-size: 1.8rem;
	font-weight: 700;
	margin: 0 0 4px;
	color: #fff;
}
.e2z-tool-transformer-calculator .e2z-tfc-subtitle {
	font-size: 0.92rem;
	opacity: 0.85;
	margin: 0;
}

/* Layout */
.e2z-tool-transformer-calculator .e2z-tfc-main-grid {
	display: flex;
	flex-direction: column;
	gap: 20px;
	padding: 16px;
}
@media (min-width: 1024px) {
	.e2z-tool-transformer-calculator .e2z-tfc-main-grid {
		flex-direction: row;
		align-items: flex-start;
	}
	.e2z-tool-transformer-calculator .e2z-tfc-inputs-panel { flex: 3; }
	.e2z-tool-transformer-calculator .e2z-tfc-results-panel {
		flex: 2;
		min-width: 340px;
		position: sticky;
		top: 20px;
	}
}

.e2z-tool-transformer-calculator .e2z-tfc-inputs-panel,
.e2z-tool-transformer-calculator .e2z-tfc-results-panel {
	background: #FFFFFF;
	border-radius: 12px;
	padding: 20px;
	border: 1px solid #E2E8F0;
	box-shadow: 0 2px 8px rgba(30, 58, 138, 0.05);
}
.e2z-tool-transformer-calculator .e2z-tfc-section-title {
	font-size: 1.3rem;
	font-weight: 600;
	color: #1E3A8A;
	margin: 0 0 16px;
	padding-bottom: 8px;
	border-bottom: 2px solid #DBEAFE;
}

/* Fields */
.e2z-tool-transformer-calculator .e2z-tfc-row {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 12px;
}
.e2z-tool-transformer-calculator .e2z-tfc-field {
	flex: 1;
	min-width: 140px;
	display: flex;
	flex-direction: column;
	margin-bottom: 8px;
}
.e2z-tool-transformer-calculator .e2z-tfc-label {
	font-size: 0.85rem;
	font-weight: 500;
	color: #475569;
	margin-bottom: 4px;
}
.e2z-tool-transformer-calculator .e2z-tfc-input {
	width: 100%;
	min-height: 44px;
	padding: 9px 11px;
	border: 1px solid #CBD5E1;
	border-radius: 6px;
	font-size: 0.92rem;
	font-family: inherit;
	background: #fff;
	color: #1E293B;
}
.e2z-tool-transformer-calculator .e2z-tfc-input:focus {
	outline: none;
	border-color: #1E3A8A;
	box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.12);
}

/* Advanced details */
.e2z-tool-transformer-calculator .e2z-tfc-advanced {
	margin: 4px 0 12px;
	border: 1px dashed #CBD5E1;
	border-radius: 8px;
	padding: 10px 12px;
	background: #F8FAFC;
}
.e2z-tool-transformer-calculator .e2z-tfc-advanced-summary {
	cursor: pointer;
	font-size: 0.88rem;
	font-weight: 600;
	color: #78350F;
	min-height: 32px;
	display: flex;
	align-items: center;
}
.e2z-tool-transformer-calculator .e2z-tfc-advanced[open] .e2z-tfc-advanced-summary { margin-bottom: 10px; }

/* Buttons */
.e2z-tool-transformer-calculator .e2z-tfc-calculate-btn,
.e2z-tool-transformer-calculator .e2z-tfc-parallel-btn {
	width: 100%;
	min-height: 48px;
	padding: 13px;
	border: none;
	border-radius: 8px;
	color: #fff;
	font-family: inherit;
	font-size: 1rem;
	font-weight: 600;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	transition: filter 0.15s ease;
}
.e2z-tool-transformer-calculator .e2z-tfc-calculate-btn { background: #1E3A8A; margin-top: 4px; }
.e2z-tool-transformer-calculator .e2z-tfc-parallel-btn { background: #78350F; }
.e2z-tool-transformer-calculator .e2z-tfc-calculate-btn:hover,
.e2z-tool-transformer-calculator .e2z-tfc-parallel-btn:hover { filter: brightness(1.15); }
.e2z-tool-transformer-calculator .e2z-tfc-calculate-btn:focus-visible,
.e2z-tool-transformer-calculator .e2z-tfc-parallel-btn:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.35);
}

/* Parallel block */
.e2z-tool-transformer-calculator .e2z-tfc-parallel-block {
	margin-top: 22px;
	padding-top: 6px;
}
.e2z-tool-transformer-calculator .e2z-tfc-parallel-grid {
	display: flex;
	gap: 14px;
	flex-wrap: wrap;
	margin-bottom: 12px;
}
.e2z-tool-transformer-calculator .e2z-tfc-parallel-col {
	flex: 1;
	min-width: 210px;
	background: #F8FAFC;
	border: 1px solid #E2E8F0;
	border-radius: 10px;
	padding: 12px;
}
.e2z-tool-transformer-calculator .e2z-tfc-parallel-head {
	font-size: 0.95rem;
	font-weight: 700;
	color: #78350F;
	margin: 0 0 10px;
}

/* Results */
.e2z-tool-transformer-calculator .e2z-tfc-empty-state {
	padding: 24px;
	text-align: center;
	color: #64748B;
	background: #F8FAFC;
	border-radius: 8px;
}

.e2z-tool-transformer-calculator .e2z-tfc-result-block {
	background: #F8FAFC;
	border: 1px solid #E2E8F0;
	border-radius: 10px;
	padding: 14px;
	margin-bottom: 12px;
}
.e2z-tool-transformer-calculator .e2z-tfc-result-block h3 {
	font-size: 1rem;
	color: #1E3A8A;
	margin: 0 0 10px;
}
.e2z-tool-transformer-calculator .e2z-tfc-stat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
	gap: 10px;
}
.e2z-tool-transformer-calculator .e2z-tfc-stat {
	background: #fff;
	border: 1px solid #E2E8F0;
	border-radius: 8px;
	padding: 10px;
	text-align: center;
}
.e2z-tool-transformer-calculator .e2z-tfc-stat-label {
	font-size: 0.75rem;
	font-weight: 600;
	color: #64748B;
	margin: 0 0 3px;
}
.e2z-tool-transformer-calculator .e2z-tfc-stat-value {
	font-size: 1.05rem;
	font-weight: 700;
	color: #1E3A8A;
	margin: 0;
}
.e2z-tool-transformer-calculator .e2z-tfc-stat-copper .e2z-tfc-stat-value { color: #78350F; }

.e2z-tool-transformer-calculator .e2z-tfc-table-wrap {
	width: 100%;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}
.e2z-tool-transformer-calculator .e2z-tfc-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.85rem;
}
.e2z-tool-transformer-calculator .e2z-tfc-table th {
	background: #DBEAFE;
	padding: 8px;
	text-align: left;
	font-weight: 600;
	border-bottom: 2px solid #BFDBFE;
	white-space: nowrap;
}
.e2z-tool-transformer-calculator .e2z-tfc-table td {
	padding: 8px;
	border-bottom: 1px solid #F1F5F9;
}

.e2z-tool-transformer-calculator .e2z-tfc-badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 4px 14px;
	border-radius: 999px;
	font-size: 0.82rem;
	font-weight: 700;
	margin-top: 6px;
}
.e2z-tool-transformer-calculator .e2z-tfc-badge-pass { background: #16A34A; color: #fff; }
.e2z-tool-transformer-calculator .e2z-tfc-badge-fail { background: #DC2626; color: #fff; }

.e2z-tool-transformer-calculator .e2z-tfc-hero {
	border-radius: 10px;
	padding: 16px;
	text-align: center;
	margin-bottom: 14px;
	border: 1px solid #BFDBFE;
	background: #EFF6FF;
}
.e2z-tool-transformer-calculator .e2z-tfc-hero-pass { background: #F0FDF4; border-color: #16A34A; }
.e2z-tool-transformer-calculator .e2z-tfc-hero-fail { background: #FEF2F2; border-color: #DC2626; }

.e2z-tool-transformer-calculator .e2z-tfc-note {
	font-size: 0.85rem;
	margin: 8px 0 0;
	padding: 8px 10px;
	border-radius: 6px;
}
.e2z-tool-transformer-calculator .e2z-tfc-note-info { background: #ECFEFF; color: #155E75; border-left: 3px solid #0891B2; }
.e2z-tool-transformer-calculator .e2z-tfc-note-ok { background: #F0FDF4; color: #166534; border-left: 3px solid #16A34A; }
.e2z-tool-transformer-calculator .e2z-tfc-note-warn { background: #FFFBEB; color: #92400E; border-left: 3px solid #D97706; }
.e2z-tool-transformer-calculator .e2z-tfc-note-error { background: #FEF2F2; color: #991B1B; border-left: 3px solid #DC2626; }

/* Export row */
.e2z-tool-transformer-calculator .e2z-tfc-export-row {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin-top: 12px;
}
.e2z-tool-transformer-calculator .e2z-tfc-print-btn,
.e2z-tool-transformer-calculator .e2z-tfc-copy-btn {
	flex: 1;
	min-height: 44px;
	padding: 11px;
	border: none;
	border-radius: 8px;
	color: #fff;
	font-family: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 6px;
}
.e2z-tool-transformer-calculator .e2z-tfc-print-btn { background: #16A34A; }
.e2z-tool-transformer-calculator .e2z-tfc-copy-btn { background: #78350F; }
.e2z-tool-transformer-calculator .e2z-tfc-print-btn:hover,
.e2z-tool-transformer-calculator .e2z-tfc-copy-btn:hover { filter: brightness(1.15); }

.e2z-tool-transformer-calculator .e2z-tfc-disclaimer {
	font-size: 0.75rem;
	color: #94A3B8;
	margin: 12px 0 0;
	line-height: 1.45;
}

.e2z-tool-transformer-calculator .e2z-tfc-hidden { display: none !important; }

/* Responsive fine-tuning */
@media (max-width: 480px) {
	.e2z-tool-transformer-calculator .e2z-tfc-title { font-size: 1.45rem; }
	.e2z-tool-transformer-calculator .e2z-tfc-field { min-width: 115px; }
	.e2z-tool-transformer-calculator .e2z-tfc-inputs-panel,
	.e2z-tool-transformer-calculator .e2z-tfc-results-panel { padding: 14px; }
}
@media (max-width: 360px) {
	.e2z-tool-transformer-calculator .e2z-tfc-header { padding: 16px 10px; }
	.e2z-tool-transformer-calculator .e2z-tfc-title { font-size: 1.3rem; }
	.e2z-tool-transformer-calculator .e2z-tfc-field,
	.e2z-tool-transformer-calculator .e2z-tfc-parallel-col { min-width: 100%; }
}