/*!
 * Voltage Drop Calculator — module CSS (e2z-vdc- prefix).
 * Color scheme (spec): Primary #B45309 (amber), Secondary #292524 (charcoal),
 * Accent #0369A1 (info blue), Success #15803D, Danger #DC2626, BG #FAFAF9.
 * Scope: .e2z-tool-voltage-drop-calculator (framework shortcode wrapper).
 */

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

.e2z-tool-voltage-drop-calculator .e2z-vdc-container {
	font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
	line-height: 1.5;
	color: #292524;
	width: 100%;
	margin: 0 auto;
	background: #FAFAF9;
	border-radius: 12px;
	box-shadow: 0 4px 20px rgba(41, 37, 36, 0.08);
	overflow: hidden;
}

/* Header */
.e2z-tool-voltage-drop-calculator .e2z-vdc-header {
	padding: 24px 16px;
	background: linear-gradient(135deg, #B45309, #292524);
	color: #fff;
	text-align: center;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-title {
	font-size: 1.8rem;
	font-weight: 700;
	margin: 0 0 4px;
	color: #fff;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-subtitle {
	font-size: 0.95rem;
	opacity: 0.85;
	margin: 0 0 14px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-direction-tabs {
	display: inline-flex;
	background: rgba(255,255,255,0.12);
	border-radius: 8px;
	padding: 4px;
	gap: 4px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-direction-tab {
	min-height: 40px;
	padding: 8px 18px;
	border: none;
	border-radius: 6px;
	background: transparent;
	color: rgba(255,255,255,0.75);
	font-family: inherit;
	font-size: 0.88rem;
	font-weight: 600;
	cursor: pointer;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-direction-tab-active {
	background: #FAFAF9;
	color: #B45309;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-direction-tab:focus-visible {
	outline: 2px solid #fff;
	outline-offset: 2px;
}

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

.e2z-tool-voltage-drop-calculator .e2z-vdc-inputs-panel,
.e2z-tool-voltage-drop-calculator .e2z-vdc-results-panel {
	background: #FFFFFF;
	border-radius: 12px;
	padding: 20px;
	border: 1px solid #E7E5E4;
	box-shadow: 0 2px 8px rgba(41, 37, 36, 0.04);
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-section-title {
	font-size: 1.3rem;
	font-weight: 600;
	color: #292524;
	margin: 0 0 16px;
	padding-bottom: 8px;
	border-bottom: 2px solid #FEF3C7;
}

/* Mode tabs */
.e2z-tool-voltage-drop-calculator .e2z-vdc-mode-tabs {
	display: flex;
	gap: 8px;
	margin-bottom: 12px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-mode-tab {
	flex: 1;
	min-height: 44px;
	padding: 10px 12px;
	border: 1px solid #FDE68A;
	border-radius: 8px;
	background: #FFFBEB;
	color: #B45309;
	font-family: inherit;
	font-size: 0.9rem;
	font-weight: 600;
	cursor: pointer;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-mode-tab-active {
	background: #B45309;
	border-color: #B45309;
	color: #fff;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-mode-tab:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.35);
}

/* Fields */
.e2z-tool-voltage-drop-calculator .e2z-vdc-row {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-bottom: 12px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-field {
	flex: 1;
	min-width: 130px;
	display: flex;
	flex-direction: column;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-label {
	font-size: 0.85rem;
	font-weight: 500;
	color: #57534E;
	margin-bottom: 4px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-hint {
	font-size: 0.72rem;
	color: #A8A29E;
	margin-top: 3px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-input {
	width: 100%;
	min-height: 44px;
	padding: 9px 11px;
	border: 1px solid #D6D3D1;
	border-radius: 6px;
	font-size: 0.92rem;
	font-family: inherit;
	background: #fff;
	color: #292524;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-input:focus {
	outline: none;
	border-color: #B45309;
	box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.12);
}

/* Calculate button */
.e2z-tool-voltage-drop-calculator .e2z-vdc-calculate-btn {
	width: 100%;
	min-height: 48px;
	margin-top: 8px;
	padding: 13px;
	border: none;
	border-radius: 8px;
	background: #B45309;
	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-voltage-drop-calculator .e2z-vdc-calculate-btn:hover { filter: brightness(1.12); }
.e2z-tool-voltage-drop-calculator .e2z-vdc-calculate-btn:focus-visible {
	outline: none;
	box-shadow: 0 0 0 3px rgba(180, 83, 9, 0.35);
}

/* Results */
.e2z-tool-voltage-drop-calculator .e2z-vdc-empty-state {
	padding: 24px;
	text-align: center;
	color: #78716C;
	background: #FAFAF9;
	border-radius: 8px;
}

.e2z-tool-voltage-drop-calculator .e2z-vdc-hero {
	border-radius: 10px;
	padding: 18px;
	text-align: center;
	margin-bottom: 14px;
	border: 1px solid;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-hero-pass { background: #F0FDF4; border-color: #15803D; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-hero-fail { background: #FEF2F2; border-color: #DC2626; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-hero-info { background: #F0F9FF; border-color: #0369A1; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-hero-value {
	font-size: 2.2rem;
	font-weight: 800;
	margin: 4px 0;
	line-height: 1.1;
	color: #292524;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-hero-pass .e2z-vdc-hero-value { color: #15803D; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-hero-fail .e2z-vdc-hero-value { color: #DC2626; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-hero-info .e2z-vdc-hero-value { color: #0369A1; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-hero-label {
	font-size: 0.85rem;
	font-weight: 600;
	color: #57534E;
	margin: 0;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-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-voltage-drop-calculator .e2z-vdc-badge-pass { background: #15803D; color: #fff; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-badge-fail { background: #DC2626; color: #fff; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-badge-info { background: #0369A1; color: #fff; }

/* Compliance gauge */
.e2z-tool-voltage-drop-calculator .e2z-vdc-gauge-wrap { margin: 10px 0 4px; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-gauge {
	position: relative;
	height: 16px;
	background: #E7E5E4;
	border-radius: 999px;
	overflow: hidden;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-gauge-fill {
	height: 100%;
	border-radius: 999px;
	transition: width 0.4s ease;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-gauge-fill-ok { background: linear-gradient(90deg, #22C55E, #15803D); }
.e2z-tool-voltage-drop-calculator .e2z-vdc-gauge-fill-warn { background: linear-gradient(90deg, #F59E0B, #B45309); }
.e2z-tool-voltage-drop-calculator .e2z-vdc-gauge-fill-fail { background: linear-gradient(90deg, #EF4444, #DC2626); }
.e2z-tool-voltage-drop-calculator .e2z-vdc-gauge-labels {
	display: flex;
	justify-content: space-between;
	font-size: 0.72rem;
	color: #78716C;
	margin-top: 4px;
}

.e2z-tool-voltage-drop-calculator .e2z-vdc-result-block {
	background: #FAFAF9;
	border: 1px solid #E7E5E4;
	border-radius: 10px;
	padding: 14px;
	margin-bottom: 12px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-result-block h3 {
	font-size: 1rem;
	color: #292524;
	margin: 0 0 10px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-stat-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
	gap: 10px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-stat {
	background: #fff;
	border: 1px solid #E7E5E4;
	border-radius: 8px;
	padding: 10px;
	text-align: center;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-stat-label {
	font-size: 0.75rem;
	font-weight: 600;
	color: #78716C;
	margin: 0 0 3px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-stat-value {
	font-size: 1.05rem;
	font-weight: 700;
	color: #B45309;
	margin: 0;
}

.e2z-tool-voltage-drop-calculator .e2z-vdc-table-wrap {
	width: 100%;
	overflow-x: auto;
	-webkit-overflow-scrolling: touch;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.85rem;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-table th {
	background: #FEF3C7;
	padding: 8px;
	text-align: left;
	font-weight: 600;
	border-bottom: 2px solid #FDE68A;
	white-space: nowrap;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-table td {
	padding: 8px;
	border-bottom: 1px solid #F5F5F4;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-table .e2z-vdc-row-selected {
	background: #FFFBEB;
	font-weight: 600;
}

.e2z-tool-voltage-drop-calculator .e2z-vdc-note {
	font-size: 0.85rem;
	margin: 8px 0 0;
	padding: 8px 10px;
	border-radius: 6px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-note-info { background: #F0F9FF; color: #0369A1; border-left: 3px solid #0369A1; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-note-ok { background: #F0FDF4; color: #166534; border-left: 3px solid #15803D; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-note-error { background: #FEF2F2; color: #991B1B; border-left: 3px solid #DC2626; }

/* Export row */
.e2z-tool-voltage-drop-calculator .e2z-vdc-export-row {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	margin-top: 12px;
}
.e2z-tool-voltage-drop-calculator .e2z-vdc-print-btn,
.e2z-tool-voltage-drop-calculator .e2z-vdc-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-voltage-drop-calculator .e2z-vdc-print-btn { background: #15803D; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-copy-btn { background: #292524; }
.e2z-tool-voltage-drop-calculator .e2z-vdc-print-btn:hover,
.e2z-tool-voltage-drop-calculator .e2z-vdc-copy-btn:hover { filter: brightness(1.2); }

.e2z-tool-voltage-drop-calculator .e2z-vdc-disclaimer {
	font-size: 0.75rem;
	color: #A8A29E;
	margin: 12px 0 0;
	line-height: 1.45;
}

.e2z-tool-voltage-drop-calculator .e2z-vdc-hidden { display: none !important; }

/* Responsive fine-tuning */
@media (max-width: 480px) {
	.e2z-tool-voltage-drop-calculator .e2z-vdc-title { font-size: 1.45rem; }
	.e2z-tool-voltage-drop-calculator .e2z-vdc-field { min-width: 110px; }
	.e2z-tool-voltage-drop-calculator .e2z-vdc-inputs-panel,
	.e2z-tool-voltage-drop-calculator .e2z-vdc-results-panel { padding: 14px; }
	.e2z-tool-voltage-drop-calculator .e2z-vdc-direction-tab { padding: 8px 12px; font-size: 0.8rem; }
}
@media (max-width: 360px) {
	.e2z-tool-voltage-drop-calculator .e2z-vdc-header { padding: 16px 10px; }
	.e2z-tool-voltage-drop-calculator .e2z-vdc-title { font-size: 1.3rem; }
	.e2z-tool-voltage-drop-calculator .e2z-vdc-field { min-width: 100%; }
}