.bhdt-tool-card {
	--bhdt-ink: #10233f;
	--bhdt-ink-soft: #55657d;
	--bhdt-accent: #ef7d10;
	--bhdt-accent-dark: #bf5c00;
	--bhdt-line: rgba(16, 35, 63, 0.12);
	--bhdt-surface: linear-gradient(135deg, #fff7ec 0%, #f6f9ff 58%, #eef5ff 100%);
	--bhdt-surface-strong: #ffffff;
	--bhdt-shadow: 0 22px 60px rgba(16, 35, 63, 0.1);
	position: relative;
	margin: 1.5rem 0;
	padding: 1.65rem;
	border: 1px solid var(--bhdt-line);
	border-radius: 28px;
	background: var(--bhdt-surface);
	box-shadow: var(--bhdt-shadow);
	color: var(--bhdt-ink);
	overflow: hidden;
}

.bhdt-tool-card::before {
	content: '';
	position: absolute;
	inset: auto -10% 72% auto;
	width: 240px;
	height: 240px;
	background: radial-gradient(circle, rgba(247, 127, 0, 0.18) 0%, rgba(247, 127, 0, 0) 68%);
	pointer-events: none;
}

.bhdt-tool-card::after {
	content: '';
	position: absolute;
	inset: 0;
	background: linear-gradient(180deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0));
	pointer-events: none;
}

.bhdt-tool-header {
	position: relative;
	z-index: 1;
	margin-bottom: 1.25rem;
}

.bhdt-tool-header h2,
.bhdt-tool-header h3 {
	margin: 0 0 0.5rem;
	font-size: clamp(1.5rem, 3vw, 2.1rem);
	line-height: 1.15;
}

.bhdt-tool-header p,
.bhdt-step-card p,
.bhdt-download-card p,
.bhdt-placeholder-card p,
.bhdt-affiliate-panel p,
.bhdt-output-panel,
.bhdt-helper {
	margin: 0;
	color: var(--bhdt-ink-soft);
}

.bhdt-eyebrow {
	margin-bottom: 0.45rem;
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--bhdt-accent-dark);
}

.bhdt-label {
	display: block;
	margin-bottom: 0.5rem;
	font-weight: 600;
}

.bhdt-input {
	width: 100%;
	padding: 0.95rem 1rem;
	border: 1px solid rgba(20, 33, 61, 0.14);
	border-radius: 16px;
	background: rgba(255, 255, 255, 0.92);
	box-sizing: border-box;
	font-size: 1rem;
	color: var(--bhdt-ink);
}

.bhdt-search-shell,
.bhdt-input-wrap,
.bhdt-market-strip,
.bhdt-quick-picks,
.bhdt-status-line,
.bhdt-band-legend {
	position: relative;
	z-index: 1;
}

.bhdt-market-strip {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 0.9rem;
	margin-bottom: 1rem;
}

.bhdt-market-strip-compact {
	grid-template-columns: repeat(2, minmax(0, 1fr));
	margin-bottom: 1rem;
}

.bhdt-market-chip {
	padding: 0.9rem 1rem;
	border: 1px solid rgba(16, 35, 63, 0.1);
	border-radius: 18px;
	background: rgba(255, 255, 255, 0.84);
	backdrop-filter: blur(6px);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.bhdt-market-chip strong,
.bhdt-market-chip span {
	display: block;
}

.bhdt-market-chip strong {
	margin-bottom: 0.28rem;
	font-size: 0.82rem;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--bhdt-accent-dark);
}

.bhdt-market-chip span {
	font-size: 0.94rem;
	color: var(--bhdt-ink);
}

.bhdt-search-shell {
	padding: 1rem;
	border-radius: 20px;
	background: rgba(255, 255, 255, 0.58);
	border: 1px solid rgba(16, 35, 63, 0.08);
	margin-bottom: 1rem;
}

.bhdt-input-wrap {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	padding: 0.15rem;
	border-radius: 20px;
	background: rgba(255, 255, 255, 0.94);
	border: 1px solid rgba(16, 35, 63, 0.08);
}

.bhdt-input-wrap .bhdt-input {
	border: none;
	background: transparent;
	padding-left: 0;
	padding-right: 1rem;
}

.bhdt-input-wrap .bhdt-input:focus {
	outline: none;
	border-color: transparent;
}

.bhdt-input-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	border-radius: 14px;
	background: linear-gradient(135deg, #ef7d10 0%, #ffb84d 100%);
	color: #1a1a1a;
	font-size: 1.25rem;
	font-weight: 800;
	margin-left: 0.35rem;
	box-shadow: 0 10px 22px rgba(239, 125, 16, 0.18);
}

.bhdt-quick-picks {
	display: flex;
	flex-wrap: wrap;
	gap: 0.55rem;
	margin-top: 0.85rem;
}

.bhdt-pill-button {
	border: 1px solid rgba(16, 35, 63, 0.1);
	background: rgba(255, 255, 255, 0.94);
	color: var(--bhdt-ink);
	padding: 0.55rem 0.9rem;
	border-radius: 999px;
	font-size: 0.9rem;
	font-weight: 700;
	cursor: pointer;
	transition: transform 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.bhdt-pill-button:hover,
.bhdt-pill-button.is-active {
	transform: translateY(-1px);
	border-color: rgba(239, 125, 16, 0.45);
	background: rgba(255, 245, 232, 0.96);
}

.bhdt-input:focus {
	outline: 2px solid rgba(247, 127, 0, 0.28);
	border-color: rgba(247, 127, 0, 0.6);
}

.bhdt-pinout-results,
.bhdt-card-grid,
.bhdt-download-shell,
.bhdt-grid-2col {
	display: grid;
	gap: 1rem;
	margin-top: 1.25rem;
}

.bhdt-card-grid,
.bhdt-download-shell,
.bhdt-grid-2col {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.bhdt-placeholder-card,
.bhdt-step-card,
.bhdt-download-card,
.bhdt-affiliate-panel,
.bhdt-output-panel {
	position: relative;
	z-index: 1;
	padding: 1.1rem;
	border-radius: 20px;
	background: var(--bhdt-surface-strong);
	border: 1px solid var(--bhdt-line);
}

.bhdt-placeholder-card.is-empty {
	border-style: dashed;
	text-align: center;
}

.bhdt-placeholder-card ul {
	margin: 0.85rem 0 0;
	padding-left: 1.15rem;
	color: var(--bhdt-ink-soft);
}

.bhdt-pinout-figure {
	display: grid;
	gap: 1rem;
	align-items: center;
	grid-template-columns: minmax(0, 1fr) 200px;
}

.bhdt-pinout-specs {
	display: flex;
	flex-wrap: wrap;
	gap: 0.5rem;
	margin-top: 0.9rem;
}

.bhdt-spec-pill {
	display: inline-flex;
	align-items: center;
	padding: 0.42rem 0.7rem;
	border-radius: 999px;
	background: rgba(16, 35, 63, 0.06);
	color: var(--bhdt-ink);
	font-size: 0.82rem;
	font-weight: 700;
}

.bhdt-image-placeholder {
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 170px;
	padding: 1rem;
	border-radius: 18px;
	background:
		linear-gradient(145deg, rgba(20, 33, 61, 0.94), rgba(48, 63, 93, 0.96)),
		repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0, rgba(255, 255, 255, 0.03) 2px, transparent 2px, transparent 28px);
	color: #ffffff;
	text-align: center;
	font-weight: 700;
	letter-spacing: 0.04em;
}

.bhdt-image-placeholder img {
	display: block;
	max-width: 100%;
	max-height: 240px;
	width: auto;
	height: auto;
	object-fit: contain;
}

.bhdt-pinout-sources {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
	margin-top: 0.9rem;
	font-size: 0.9rem;
	font-weight: 700;
}

.bhdt-toggle-row,
.bhdt-button-row,
.bhdt-status-line,
.bhdt-band-legend {
	display: flex;
	flex-wrap: wrap;
	gap: 0.75rem;
}

.bhdt-band-legend {
	margin-top: 0.25rem;
	margin-bottom: 0.5rem;
}

.bhdt-band-legend-item {
	padding: 0.45rem 0.75rem;
	border-radius: 999px;
	background: rgba(16, 35, 63, 0.06);
	color: var(--bhdt-ink-soft);
	font-size: 0.82rem;
	font-weight: 700;
}

.bhdt-band-legend-item.is-hidden {
	display: none;
}

.bhdt-toggle-button,
.bhdt-button-primary,
.bhdt-button-secondary,
.bhdt-pill-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.85rem 1.2rem;
	border-radius: 999px;
	font-weight: 700;
	text-decoration: none;
	transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
	cursor: pointer;
}

.bhdt-toggle-button {
	border: 1px solid rgba(20, 33, 61, 0.12);
	background: #ffffff;
	color: var(--bhdt-ink);
}

.bhdt-toggle-button.is-active,
.bhdt-button-primary {
	border: none;
	background: linear-gradient(135deg, #f77f00 0%, #ffb703 100%);
	color: #1a1a1a;
	box-shadow: 0 14px 28px rgba(247, 127, 0, 0.22);
}

.bhdt-button-secondary {
	border: 1px solid rgba(20, 33, 61, 0.12);
	background: rgba(20, 33, 61, 0.04);
	color: var(--bhdt-ink);
}

.bhdt-toggle-button:hover,
.bhdt-button-primary:hover,
.bhdt-button-secondary:hover,
.bhdt-band-button:hover {
	transform: translateY(-1px);
}

.bhdt-resistor-body {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	margin: 0.75rem 0 1rem;
	padding: 1rem;
	border-radius: 999px;
	background: linear-gradient(90deg, #f4d7a4 0%, #ddbb89 55%, #f0d8ae 100%);
	overflow-x: auto;
}

.bhdt-band-button {
	position: relative;
	flex: 0 0 56px;
	height: 84px;
	border: none;
	border-radius: 14px;
	background: #7f5539;
	color: #ffffff;
	font-size: 0.8rem;
	font-weight: 700;
	box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.3);
	cursor: pointer;
}

.bhdt-voltage-layout {
	display: grid;
	grid-template-columns: minmax(0, 1.4fr) minmax(220px, 0.6fr);
	gap: 1rem;
	align-items: stretch;
}

.bhdt-voltage-layout .bhdt-grid-2col {
	margin-top: 1.25rem;
}

.bhdt-voltage-schematic {
	position: relative;
	display: grid;
	justify-items: center;
	align-content: space-between;
	min-height: 310px;
	margin-top: 1.25rem;
	padding: 1rem;
	border: 1px solid var(--bhdt-line);
	border-radius: 20px;
	background:
		linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 252, 255, 0.96)),
		repeating-linear-gradient(0deg, rgba(0, 95, 115, 0.08) 0, rgba(0, 95, 115, 0.08) 1px, transparent 1px, transparent 22px);
}

.bhdt-voltage-schematic::before {
	content: '';
	position: absolute;
	top: 2.35rem;
	bottom: 2.35rem;
	left: 50%;
	width: 2px;
	background: rgba(20, 33, 61, 0.26);
	transform: translateX(-50%);
}

.bhdt-node,
.bhdt-resistor-symbol {
	position: relative;
	z-index: 1;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 72px;
	min-height: 38px;
	padding: 0.35rem 0.75rem;
	border-radius: 999px;
	font-weight: 800;
}

.bhdt-node {
	background: #10233f;
	color: #ffffff;
}

.bhdt-node-vout {
	background: #005f73;
}

.bhdt-node-gnd {
	background: #2f3a46;
}

.bhdt-resistor-symbol {
	border: 1px solid rgba(247, 127, 0, 0.3);
	background: #fff7ec;
	color: #8a4a00;
}

.bhdt-voltage-output {
	align-items: stretch;
	flex-wrap: wrap;
}

.bhdt-voltage-output span {
	display: grid;
	gap: 0.25rem;
	min-width: 150px;
}

.bhdt-band-button span {
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%) rotate(-90deg);
	white-space: nowrap;
	text-shadow: 0 1px 1px rgba(0, 0, 0, 0.18);
}

.bhdt-band-button.is-hidden {
	display: none;
}

.bhdt-status-line {
	justify-content: space-between;
	align-items: center;
	margin-bottom: 1rem;
	padding: 0.85rem 1rem;
	border-radius: 16px;
	background: rgba(255, 255, 255, 0.74);
	border: 1px solid rgba(16, 35, 63, 0.08);
	color: var(--bhdt-ink-soft);
	font-size: 0.92rem;
}

.bhdt-step-card,
.bhdt-download-card {
	display: grid;
	gap: 0.75rem;
}

.bhdt-step-index {
	margin: 0;
	font-size: 0.85rem;
	font-weight: 800;
	color: var(--bhdt-accent-dark);
	letter-spacing: 0.16em;
}

.bhdt-affiliate-panel {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
	margin-top: 1.25rem;
	background: linear-gradient(135deg, rgba(20, 33, 61, 0.98), rgba(42, 62, 94, 0.96));
	color: #ffffff;
}

.bhdt-affiliate-panel h3,
.bhdt-download-card h3,
.bhdt-step-card h3,
.bhdt-placeholder-card h3 {
	margin: 0;
	font-size: 1.1rem;
}

.bhdt-affiliate-panel p {
	color: rgba(255, 255, 255, 0.78);
}

.bhdt-output-panel {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
	margin-top: 1rem;
	font-size: 1rem;
}

.bhdt-helper {
	margin-top: 0.5rem;
	font-size: 0.9rem;
}

.bhdt-wirecutter-pick {
	background: #ffffff;
	color: #222222;
	border: 1px solid #e3e3e3;
	padding: 1.25rem;
	margin: 1.5rem 0;
	display: grid;
	gap: 1rem;
	font-family: Arial, sans-serif;
}

.bhdt-wirecutter-head h3 {
	font-family: Georgia, serif;
	font-size: clamp(1.4rem, 3vw, 1.9rem);
	margin: 0.25rem 0;
}

.bhdt-wirecutter-badge {
	display: inline-block;
	padding: 0.35rem 0.7rem;
	background: #005f73;
	color: #ffffff;
	font-size: 0.76rem;
	letter-spacing: 0.12em;
	font-weight: 700;
}

.bhdt-wirecutter-price {
	font-size: 1.1rem;
	font-weight: 700;
	margin: 0;
}

.bhdt-wirecutter-body {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 1rem;
}

.bhdt-wirecutter-list {
	list-style: none;
	padding: 0;
	margin: 0.5rem 0 0;
}

.bhdt-wirecutter-list li {
	position: relative;
	padding-left: 1.4rem;
	margin-bottom: 0.45rem;
}

.bhdt-wirecutter-pros li::before,
.bhdt-wirecutter-cons li::before {
	position: absolute;
	left: 0;
	top: 0;
	font-weight: 700;
}

.bhdt-wirecutter-pros li::before {
	content: '✓';
	color: #12793d;
}

.bhdt-wirecutter-cons li::before {
	content: '✕';
	color: #b23a48;
}

.bhdt-wirecutter-cta {
	display: inline-block;
	text-decoration: none;
	text-align: center;
	background: #222222;
	color: #ffffff;
	padding: 0.75rem 1rem;
	font-weight: 700;
}

.bhdt-wirecutter-cta:hover {
	background: #3a3a3a;
}

@media (max-width: 820px) {
	.bhdt-market-strip,
	.bhdt-market-strip-compact,
	.bhdt-card-grid,
	.bhdt-download-shell,
	.bhdt-grid-2col,
	.bhdt-pinout-figure,
	.bhdt-voltage-layout,
	.bhdt-wirecutter-body {
		grid-template-columns: 1fr;
	}

	.bhdt-status-line,
	.bhdt-affiliate-panel,
	.bhdt-output-panel {
		flex-direction: column;
		align-items: stretch;
	}

	.bhdt-resistor-body {
		border-radius: 24px;
	}
}