/**
 * Calculator styles - Vitruve Theme
 *
 * Styles for calculator tool UI (1RM, Plates, Wilks, DOTS, IPF GL).
 * Uses theme design tokens for dark-mode consistency.
 *
 * @package Vitruve_Custom_Theme
 * @since 2.2.0
 */

/* ==========================================================================
   CALCULATOR SINGLE LAYOUT (two-column with sidebar)
   ========================================================================== */

.vb-calculator-single__header {
	margin-bottom: var(--space-8, 2rem);
}

.vb-calculator-single__layout {
	display: grid;
	grid-template-columns: 1fr;
	gap: var(--space-10, 2.5rem);
	margin-bottom: var(--space-12, 3rem);
}

@media (min-width: 1024px) {
	.vb-calculator-single__layout--has-sidebar {
		grid-template-columns: 1fr 280px;
	}
}

.vb-calculator-single__sidebar {
	display: none;
}

@media (min-width: 1024px) {
	.vb-calculator-single__sidebar {
		display: block;
	}
}

.vb-calculator-single__tool {
	margin-bottom: var(--space-10, 2.5rem);
}

.vb-calculator-single__content {
	margin-top: var(--space-10, 2.5rem);
}

/* ==========================================================================
   CALCULATOR CONTAINER
   ========================================================================== */

.vb-calculator {
	max-width: 100%;
}

.vb-calculator__heading {
	font-size: var(--text-xl, 1.25rem);
	font-weight: var(--font-bold, 700);
	color: var(--text-primary, #fff);
	margin-bottom: var(--space-4, 1rem);
}

.vb-calculator__intro,
.vb-calculator__description {
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	margin-bottom: var(--space-3, 0.75rem);
}

.vb-calculator__hint {
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	margin: var(--space-2, 0.5rem) 0 var(--space-4, 1rem);
}

.vb-calculator__disclaimer {
	font-size: var(--text-xs, 0.75rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	margin-top: var(--space-6, 1.5rem);
}

/* ==========================================================================
   FORM FIELDS
   ========================================================================== */

.vb-calculator__form {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-5, 1.25rem);
	padding: var(--space-6, 1.5rem);
	background: var(--bg-secondary, #1A1A1A);
	border: 1px solid var(--border-primary, rgba(255, 255, 255, 0.1));
	border-radius: var(--radius-xl, 0.75rem);
	margin-bottom: var(--space-8, 2rem);
}

@media (max-width: 639px) {
	.vb-calculator__form {
		grid-template-columns: 1fr;
	}
}

.vb-calculator__field {
	display: flex;
	flex-direction: column;
	gap: var(--space-2, 0.5rem);
}

.vb-calculator__label {
	display: block;
	font-size: var(--text-sm, 0.875rem);
	font-weight: var(--font-medium, 500);
	color: var(--text-secondary, rgba(255, 255, 255, 0.85));
	letter-spacing: 0.01em;
}

.vb-calculator__input,
.vb-calculator__select {
	width: 100%;
	padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
	font-size: var(--text-base, 1rem);
	font-family: inherit;
	color: var(--text-primary, #fff);
	background: var(--surface-input, #1A1A1A);
	border: 1px solid var(--border-primary, rgba(255, 255, 255, 0.1));
	border-radius: var(--radius-lg, 0.5rem);
	transition: border-color var(--transition-fast, 150ms) ease,
	            box-shadow var(--transition-fast, 150ms) ease;
	-webkit-appearance: none;
	appearance: none;
}

.vb-calculator__input::placeholder {
	color: var(--text-disabled, rgba(255, 255, 255, 0.4));
}

.vb-calculator__input:hover,
.vb-calculator__select:hover {
	border-color: var(--border-focus, rgba(255, 255, 255, 0.3));
	background: var(--surface-input-hover, #2A2A2A);
}

.vb-calculator__input:focus,
.vb-calculator__select:focus {
	outline: none;
	border-color: var(--color-primary, #6644FF);
	box-shadow: 0 0 0 3px rgba(102, 68, 255, 0.25);
}

/* Select with custom arrow */
.vb-calculator__select {
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='rgba(255,255,255,0.65)' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: right var(--space-3, 0.75rem) center;
	padding-right: var(--space-10, 2.5rem);
	cursor: pointer;
}

.vb-calculator__select option {
	background: var(--bg-secondary, #1A1A1A);
	color: var(--text-primary, #fff);
}

.vb-calculator__input-group {
	display: flex;
	align-items: stretch;
	gap: 0;
}

.vb-calculator__input-group .vb-calculator__input {
	flex: 1;
	min-width: 0;
	border-top-right-radius: 0;
	border-bottom-right-radius: 0;
	border-right: none;
}

.vb-calculator__input-group .vb-calculator__select--unit {
	width: auto;
	min-width: 4.5rem;
	border-top-left-radius: 0;
	border-bottom-left-radius: 0;
	text-align: center;
	background-position: right var(--space-2, 0.5rem) center;
	padding-right: var(--space-6, 1.5rem);
}

/* ==========================================================================
   RESULTS
   ========================================================================== */

.vb-calculator__results {
	margin-top: var(--space-2, 0.5rem);
}

.vb-calculator__result-hero {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-4, 1rem);
	padding: var(--space-6, 1.5rem) var(--space-8, 2rem);
	background: linear-gradient(135deg, rgba(102, 68, 255, 0.15), rgba(0, 255, 229, 0.08));
	border: 1px solid rgba(102, 68, 255, 0.25);
	border-radius: var(--radius-xl, 0.75rem);
	margin-bottom: var(--space-6, 1.5rem);
}

.vb-calculator__result-label {
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	font-weight: var(--font-medium, 500);
}

.vb-calculator__result-value {
	font-size: var(--text-3xl, 1.875rem);
	font-weight: var(--font-bold, 700);
	font-family: var(--font-display, 'Sofia Sans', sans-serif);
	background: linear-gradient(135deg, var(--color-primary, #6644FF), var(--color-secondary, #00FFE5));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	color: transparent;
}

/* Fallback for old template without result-hero */
.vb-calculator__result-line {
	margin: 0 0 var(--space-4, 1rem);
	font-size: var(--text-lg, 1.125rem);
	color: var(--text-primary, #fff);
}

.vb-calculator__result-line span {
	font-weight: var(--font-semibold, 600);
	color: var(--color-secondary, #00FFE5);
}

/* ==========================================================================
   TABLE
   ========================================================================== */

.vb-calculator__table-wrap {
	overflow-x: auto;
	border-radius: var(--radius-xl, 0.75rem);
	border: 1px solid var(--border-primary, rgba(255, 255, 255, 0.1));
}

.vb-calculator-table {
	width: 100%;
	border-collapse: collapse;
	font-size: var(--text-sm, 0.875rem);
}

.vb-calculator-table thead {
	background: var(--bg-tertiary, #2A2A2A);
}

.vb-calculator-table th {
	padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
	text-align: left;
	font-weight: var(--font-semibold, 600);
	color: var(--text-secondary, rgba(255, 255, 255, 0.85));
	font-size: var(--text-xs, 0.75rem);
	text-transform: uppercase;
	letter-spacing: 0.05em;
	border-bottom: 1px solid var(--border-primary, rgba(255, 255, 255, 0.1));
}

.vb-calculator-table td {
	padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
	color: var(--text-primary, #fff);
	border-bottom: 1px solid var(--border-secondary, rgba(255, 255, 255, 0.06));
}

.vb-calculator-table tbody tr {
	background: var(--bg-secondary, #1A1A1A);
	transition: background var(--transition-fast, 150ms) ease;
}

.vb-calculator-table tbody tr:nth-child(even) {
	background: var(--bg-primary, #100F11);
}

.vb-calculator-table tbody tr:hover {
	background: var(--bg-hover, #3a3a3a);
}

/* Highlight the 1RM row */
.vb-calculator-table tbody tr:first-child td {
	color: var(--color-secondary, #00FFE5);
	font-weight: var(--font-semibold, 600);
}

/* Percentage column styling */
.vb-calculator-table td:last-child {
	font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   POWERLIFTING FORM VARIANT
   Single-column layout for forms with lift rows.
   ========================================================================== */

.vb-calculator__form--powerlifting {
	grid-template-columns: 1fr 1fr;
}

.vb-calculator__form--powerlifting .vb-calculator__lifts-section {
	grid-column: 1 / -1;
}

.vb-calculator__lifts-section {
	display: flex;
	flex-direction: column;
	gap: var(--space-4, 1rem);
	padding-top: var(--space-4, 1rem);
	border-top: 1px solid var(--border-secondary, rgba(255, 255, 255, 0.06));
}

.vb-calculator__lifts-section .vb-calculator__hint {
	margin: 0;
}

.vb-calculator__lift {
	display: flex;
	flex-direction: column;
	gap: var(--space-2, 0.5rem);
}

.vb-calculator__lift-row {
	display: flex;
	align-items: stretch;
	gap: var(--space-3, 0.75rem);
}

.vb-calculator__lift-row .vb-calculator__input-group {
	flex: 1;
}

.vb-calculator__reps-group {
	display: flex;
	align-items: center;
	gap: var(--space-2, 0.5rem);
	flex-shrink: 0;
}

.vb-calculator__input--reps {
	width: 4rem !important;
	text-align: center;
}

.vb-calculator__reps-label {
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	white-space: nowrap;
}

@media (max-width: 639px) {
	.vb-calculator__form--powerlifting {
		grid-template-columns: 1fr;
	}

	.vb-calculator__lift-row {
		flex-wrap: wrap;
	}

	.vb-calculator__lift-row .vb-calculator__input-group {
		min-width: 100%;
	}
}

/* ==========================================================================
   PLATES LAYOUT & BAR VISUALIZATION
   ========================================================================== */

.vb-calculator__plates-layout {
	display: grid;
	gap: var(--space-6, 1.5rem);
	margin-bottom: var(--space-6, 1.5rem);
}

@media (min-width: 640px) {
	.vb-calculator__plates-layout {
		grid-template-columns: 1fr 1fr;
	}
}

.vb-calculator__summary {
	padding: var(--space-4, 1rem);
	background: var(--bg-secondary, #1A1A1A);
	border: 1px solid var(--border-primary, rgba(255, 255, 255, 0.1));
	border-radius: var(--radius-lg, 0.5rem);
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-secondary, rgba(255, 255, 255, 0.85));
}

.vb-calculator__summary strong {
	color: var(--color-secondary, #00FFE5);
}

.vb-calculator__bar-viz {
	margin-top: var(--space-6, 1.5rem);
	text-align: center;
}

.vb-calculator-bar-svg {
	max-width: 100%;
	height: auto;
}

/* ==========================================================================
   POWERLIFTING STANDARDS
   ========================================================================== */

/* Overall Level Hero */
.vb-calculator__standards-hero {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-3, 0.75rem);
	padding: var(--space-8, 2rem) var(--space-6, 1.5rem);
	background: linear-gradient(135deg, rgba(102, 68, 255, 0.1), rgba(0, 255, 229, 0.05));
	border: 1px solid rgba(102, 68, 255, 0.2);
	border-radius: var(--radius-xl, 0.75rem);
	margin-bottom: var(--space-6, 1.5rem);
	text-align: center;
}

/* Level Badge */
.vb-calculator__level-badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-2, 0.5rem) var(--space-6, 1.5rem);
	border-radius: var(--radius-full, 9999px);
	font-size: var(--text-xl, 1.25rem);
	font-weight: var(--font-bold, 700);
	font-family: var(--font-display, 'Sofia Sans', sans-serif);
	letter-spacing: 0.03em;
	text-transform: uppercase;
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	background: var(--bg-tertiary, #2A2A2A);
	border: 1px solid var(--border-primary, rgba(255, 255, 255, 0.1));
	transition: all var(--transition-base, 300ms) ease;
}

.vb-calculator__level-badge--beginner {
	color: #94a3b8;
	background: rgba(148, 163, 184, 0.12);
	border-color: rgba(148, 163, 184, 0.3);
}

.vb-calculator__level-badge--novice {
	color: #4ade80;
	background: rgba(74, 222, 128, 0.12);
	border-color: rgba(74, 222, 128, 0.3);
}

.vb-calculator__level-badge--intermediate {
	color: var(--color-primary-300, #C5CDFF);
	background: rgba(102, 68, 255, 0.15);
	border-color: rgba(102, 68, 255, 0.35);
}

.vb-calculator__level-badge--advanced {
	color: var(--color-secondary, #00FFE5);
	background: linear-gradient(135deg, rgba(102, 68, 255, 0.15), rgba(0, 255, 229, 0.15));
	border-color: rgba(0, 255, 229, 0.35);
}

.vb-calculator__level-badge--elite {
	color: #fbbf24;
	background: rgba(251, 191, 36, 0.12);
	border-color: rgba(251, 191, 36, 0.35);
	box-shadow: 0 0 20px rgba(251, 191, 36, 0.15);
}

/* Scores Row */
.vb-calculator__scores-row {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: var(--space-4, 1rem);
	margin-bottom: var(--space-6, 1.5rem);
}

@media (max-width: 639px) {
	.vb-calculator__scores-row {
		grid-template-columns: 1fr;
	}
}

.vb-calculator__score-card {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-1, 0.25rem);
	padding: var(--space-4, 1rem);
	background: var(--bg-secondary, #1A1A1A);
	border: 1px solid var(--border-primary, rgba(255, 255, 255, 0.1));
	border-radius: var(--radius-lg, 0.5rem);
}

.vb-calculator__score-label {
	font-size: var(--text-xs, 0.75rem);
	font-weight: var(--font-medium, 500);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.vb-calculator__score-value {
	font-size: var(--text-2xl, 1.5rem);
	font-weight: var(--font-bold, 700);
	font-family: var(--font-display, 'Sofia Sans', sans-serif);
	background: linear-gradient(135deg, var(--color-primary, #6644FF), var(--color-secondary, #00FFE5));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
	color: transparent;
}

/* Per-Lift Standards */
.vb-calculator__lift-standards {
	display: flex;
	flex-direction: column;
	gap: var(--space-4, 1rem);
	margin-bottom: var(--space-6, 1.5rem);
}

.vb-calculator__lift-standard-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: var(--space-2, 0.5rem);
}

.vb-calculator__lift-standard-name {
	font-size: var(--text-sm, 0.875rem);
	font-weight: var(--font-medium, 500);
	color: var(--text-secondary, rgba(255, 255, 255, 0.85));
}

/* Per-lift level tags */
.vb-calculator__lift-level {
	display: inline-block;
	padding: 2px var(--space-3, 0.75rem);
	border-radius: var(--radius-full, 9999px);
	font-size: var(--text-xs, 0.75rem);
	font-weight: var(--font-semibold, 600);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	background: var(--bg-tertiary, #2A2A2A);
	transition: all var(--transition-fast, 150ms) ease;
}

.vb-calculator__lift-level--beginner {
	color: #94a3b8;
	background: rgba(148, 163, 184, 0.12);
}

.vb-calculator__lift-level--novice {
	color: #4ade80;
	background: rgba(74, 222, 128, 0.12);
}

.vb-calculator__lift-level--intermediate {
	color: var(--color-primary-300, #C5CDFF);
	background: rgba(102, 68, 255, 0.15);
}

.vb-calculator__lift-level--advanced {
	color: var(--color-secondary, #00FFE5);
	background: rgba(0, 255, 229, 0.12);
}

.vb-calculator__lift-level--elite {
	color: #fbbf24;
	background: rgba(251, 191, 36, 0.12);
}

/* Progress Bar */
.vb-calculator__progress-track {
	position: relative;
	width: 100%;
	height: 8px;
	background: var(--bg-tertiary, #2A2A2A);
	border-radius: var(--radius-full, 9999px);
	overflow: hidden;
}

.vb-calculator__progress-fill {
	position: absolute;
	top: 0;
	left: 0;
	height: 100%;
	width: 0;
	background: linear-gradient(90deg, var(--color-primary, #6644FF), var(--color-secondary, #00FFE5));
	border-radius: var(--radius-full, 9999px);
	transition: width 0.4s ease;
}

/* Standards Table Active Row */
.vb-calculator-table--standards tbody tr.is-active {
	background: rgba(102, 68, 255, 0.12);
}

.vb-calculator-table--standards tbody tr.is-active td:first-child {
	border-left: 3px solid var(--color-primary, #6644FF);
}

/* ==========================================================================
   PLATES CALCULATOR – Quantity Grid
   ========================================================================== */

.vb-calculator__form--plates-top {
	grid-template-columns: 1fr 1fr;
}

@media (max-width: 639px) {
	.vb-calculator__form--plates-top {
		grid-template-columns: 1fr;
	}
}

.vb-calculator__plates-grid {
	padding: var(--space-4, 1rem) var(--space-6, 1.5rem);
	background: var(--bg-secondary, #1A1A1A);
	border: 1px solid var(--border-primary, rgba(255, 255, 255, 0.1));
	border-radius: var(--radius-xl, 0.75rem);
	margin-bottom: var(--space-6, 1.5rem);
}

.vb-calculator__plates-grid .vb-calculator__hint {
	margin: 0 0 var(--space-3, 0.75rem);
}

.vb-calculator__plates-qty-row {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: var(--space-2, 0.5rem) 0;
	border-bottom: 1px solid var(--border-secondary, rgba(255, 255, 255, 0.06));
}

.vb-calculator__plates-qty-row:last-child {
	border-bottom: none;
}

.vb-calculator__plates-qty-row--header {
	font-size: var(--text-xs, 0.75rem);
	font-weight: var(--font-semibold, 600);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.vb-calculator__plates-qty-label {
	display: flex;
	align-items: center;
	gap: var(--space-2, 0.5rem);
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-secondary, rgba(255, 255, 255, 0.85));
	cursor: pointer;
}

.vb-calculator__plate-chip {
	display: inline-block;
	width: 12px;
	height: 12px;
	border-radius: var(--radius-sm, 0.25rem);
	flex-shrink: 0;
}

.vb-calculator__plate-chip[data-plate-weight="25"] { background: #dc2626; }
.vb-calculator__plate-chip[data-plate-weight="20"] { background: #1e3a5f; }
.vb-calculator__plate-chip[data-plate-weight="15"] { background: #eab308; }
.vb-calculator__plate-chip[data-plate-weight="10"] { background: #16a34a; }
.vb-calculator__plate-chip[data-plate-weight="5"] { background: #f8f8f8; }
.vb-calculator__plate-chip[data-plate-weight="2.5"] { background: #dc2626; }
.vb-calculator__plate-chip[data-plate-weight="2"] { background: #1e3a5f; }
.vb-calculator__plate-chip[data-plate-weight="1.5"] { background: #eab308; }
.vb-calculator__plate-chip[data-plate-weight="1.25"] { background: #94a3b8; }
.vb-calculator__plate-chip[data-plate-weight="1"] { background: #16a34a; }
.vb-calculator__plate-chip[data-plate-weight="0.5"] { background: #f8f8f8; }
.vb-calculator__plate-chip[data-plate-weight="0.25"] { background: #94a3b8; }

.vb-calculator__input--qty {
	width: 4rem !important;
	text-align: center;
}

/* ==========================================================================
   SEGMENTED PROGRESS BAR (Strength Standards / Bench Press)
   ========================================================================== */

.vb-calculator__progress-track--segmented {
	position: relative;
	display: flex;
	gap: 2px;
	height: 12px;
	background: transparent;
	overflow: visible;
}

.vb-calculator__progress-segment {
	flex: 1;
	border-radius: var(--radius-sm, 0.25rem);
	opacity: 0.6;
}

.vb-calculator__progress-segment--beginner { background: #94a3b8; }
.vb-calculator__progress-segment--novice { background: #4ade80; }
.vb-calculator__progress-segment--intermediate { background: var(--color-primary, #6644FF); }
.vb-calculator__progress-segment--advanced { background: var(--color-secondary, #00FFE5); }
.vb-calculator__progress-segment--elite { background: #fbbf24; }

.vb-calculator__progress-marker {
	position: absolute;
	top: -4px;
	width: 4px;
	height: 20px;
	background: #fff;
	border-radius: 2px;
	box-shadow: 0 0 6px rgba(255, 255, 255, 0.5);
	transition: left 0.4s ease;
	transform: translateX(-50%);
	z-index: 1;
}

.vb-calculator__progress-labels {
	display: flex;
	justify-content: space-between;
	margin-top: var(--space-2, 0.5rem);
	font-size: var(--text-xs, 0.75rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
}

/* ==========================================================================
   COMPACT HERO (Bench Press Calculator)
   ========================================================================== */

.vb-calculator__standards-hero--compact {
	padding: var(--space-4, 1rem) var(--space-6, 1.5rem);
}

.vb-calculator__result-sub {
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	margin-top: var(--space-1, 0.25rem);
}

/* Heading inside results */
.vb-calculator__results .vb-calculator__heading {
	margin-top: var(--space-6, 1.5rem);
}

/* ==========================================================================
   VBT Calculators — PBT-to-VBT, Olympic 1RM, Olympic L-V Profile
   ========================================================================== */

/* Info steps (How it works) */
.vb-calculator__info-steps {
	margin-bottom: var(--space-6, 1.5rem);
	padding: var(--space-4, 1rem) var(--space-5, 1.25rem);
	background: rgba(255, 255, 255, 0.04);
	border-radius: var(--radius-lg, 0.75rem);
	border: 1px solid rgba(255, 255, 255, 0.08);
}

.vb-calculator__info-steps h3 {
	font-size: var(--text-base, 1rem);
	font-weight: 600;
	margin-bottom: var(--space-3, 0.75rem);
}

.vb-calculator__info-steps ol {
	padding-left: var(--space-5, 1.25rem);
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: var(--space-2, 0.5rem);
}

.vb-calculator__info-steps li {
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	line-height: 1.5;
}

/* Notes / references */
.vb-calculator__notes {
	margin-top: var(--space-6, 1.5rem);
	padding: var(--space-4, 1rem) var(--space-5, 1.25rem);
	background: rgba(255, 255, 255, 0.03);
	border-radius: var(--radius-lg, 0.75rem);
	border: 1px solid rgba(255, 255, 255, 0.06);
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.55));
}

.vb-calculator__notes h4 {
	font-size: var(--text-sm, 0.875rem);
	font-weight: 600;
	margin-bottom: var(--space-2, 0.5rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
}

.vb-calculator__notes ul {
	padding-left: var(--space-5, 1.25rem);
	margin: 0;
	display: flex;
	flex-direction: column;
	gap: var(--space-1, 0.25rem);
}

.vb-calculator__notes p {
	margin: 0 0 var(--space-2, 0.5rem);
}

.vb-calculator__notes p:last-child {
	margin-bottom: 0;
}

/* Section and subsection titles */
.vb-calculator__section-title {
	font-size: var(--text-lg, 1.125rem);
	font-weight: 700;
	margin: var(--space-6, 1.5rem) 0 var(--space-3, 0.75rem);
}

.vb-calculator__section-title:first-child {
	margin-top: 0;
}

.vb-calculator__subsection-title {
	font-size: var(--text-sm, 0.875rem);
	font-weight: 600;
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	margin: var(--space-5, 1.25rem) 0 var(--space-3, 0.75rem);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

/* Result definition list (PBT-to-VBT output pairs) */
.vb-calculator__result-dl {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-3, 0.75rem);
}

@media (max-width: 640px) {
	.vb-calculator__result-dl {
		grid-template-columns: 1fr;
	}
}

.vb-calculator__result-dl-item {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: var(--space-3, 0.75rem) var(--space-4, 1rem);
	background: rgba(255, 255, 255, 0.04);
	border-radius: var(--radius-md, 0.5rem);
	border: 1px solid rgba(255, 255, 255, 0.06);
}

.vb-calculator__result-dl-item dt {
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
	font-weight: 500;
}

.vb-calculator__result-dl-item dd {
	margin: 0;
	font-size: var(--text-base, 1rem);
	font-weight: 700;
	color: var(--text-primary, #fff);
}

/* Effort level badge */
.vb-calculator__effort-badge {
	display: inline-block;
	padding: var(--space-1, 0.25rem) var(--space-3, 0.75rem);
	border-radius: var(--radius-full, 9999px);
	font-size: var(--text-xs, 0.75rem);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.vb-calculator__effort-badge--low {
	background: rgba(34, 197, 94, 0.15);
	color: #22c55e;
}

.vb-calculator__effort-badge--medium {
	background: rgba(234, 179, 8, 0.15);
	color: #eab308;
}

.vb-calculator__effort-badge--high {
	background: rgba(249, 115, 22, 0.15);
	color: #f97316;
}

.vb-calculator__effort-badge--maximum {
	background: rgba(239, 68, 68, 0.15);
	color: #ef4444;
}

/* Height metric/imperial toggle */
.vb-calculator__height-metric.is-hidden,
.vb-calculator__height-imperial.is-hidden {
	display: none;
}

/* Input suffix (unit labels inline with inputs) */
.vb-calculator__input-suffix {
	display: flex;
	align-items: center;
	padding: 0 var(--space-3, 0.75rem);
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.55));
	white-space: nowrap;
	background: var(--surface-input-hover, #2a2a2a);
	border: 1px solid var(--border-primary, rgba(255, 255, 255, 0.1));
	border-left: none;
	border-top-right-radius: var(--radius-md, 0.375rem);
	border-bottom-right-radius: var(--radius-md, 0.375rem);
}

/* Lift rows (L-V Profile) */
.vb-calculator__lift-rows {
	display: flex;
	flex-direction: column;
	gap: var(--space-3, 0.75rem);
	margin-bottom: var(--space-4, 1rem);
}

.vb-calculator__lift-row {
	display: grid;
	grid-template-columns: 1fr 1fr 1fr;
	gap: var(--space-3, 0.75rem);
	align-items: center;
}

@media (max-width: 640px) {
	.vb-calculator__lift-row {
		grid-template-columns: 1fr;
		gap: var(--space-2, 0.5rem);
	}
}

.vb-calculator__lift-row-label {
	font-size: var(--text-sm, 0.875rem);
	font-weight: 500;
	color: var(--text-muted, rgba(255, 255, 255, 0.65));
}

/* Field hint */
.vb-calculator__field-hint {
	display: block;
	font-size: var(--text-xs, 0.75rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.45));
	margin-top: var(--space-1, 0.25rem);
}

/* Highlighted hero result */
.vb-calculator__result-hero--highlight {
	border: 1px solid rgba(102, 68, 255, 0.35);
	background: linear-gradient(135deg, rgba(102, 68, 255, 0.12), rgba(0, 255, 229, 0.06));
}

/* PBT form layout */
.vb-calculator__form--pbt {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: var(--space-4, 1rem);
}

@media (max-width: 640px) {
	.vb-calculator__form--pbt {
		grid-template-columns: 1fr;
	}
}

/* ==========================================================================
   PBT → VBT Conversion flow
   ========================================================================== */

.vb-calculator__conversion-block {
	padding: var(--space-6, 1.5rem);
	border-radius: var(--radius-xl, 0.75rem);
	border: 1px solid var(--border-primary, rgba(255, 255, 255, 0.1));
	background: var(--bg-secondary, #1A1A1A);
}

.vb-calculator__conversion-block--output {
	border-color: rgba(102, 68, 255, 0.35);
	background: linear-gradient(135deg, rgba(102, 68, 255, 0.06), rgba(0, 255, 229, 0.03));
}

.vb-calculator__conversion-label {
	display: flex;
	align-items: center;
	gap: var(--space-3, 0.75rem);
	margin-bottom: var(--space-4, 1rem);
}

.vb-calculator__conversion-label .vb-calculator__section-title {
	margin: 0;
}

.vb-calculator__conversion-badge {
	display: inline-block;
	font-size: var(--text-xs, 0.75rem);
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	padding: var(--space-1, 0.25rem) var(--space-3, 0.75rem);
	border-radius: var(--radius-full, 9999px);
}

.vb-calculator__conversion-badge--input {
	background: rgba(255, 255, 255, 0.06);
	color: var(--text-muted, rgba(255, 255, 255, 0.55));
}

.vb-calculator__conversion-badge--output {
	background: linear-gradient(135deg, rgba(102, 68, 255, 0.2), rgba(0, 255, 229, 0.12));
	color: var(--color-secondary, #00FFE5);
}

/* Arrow connector */
.vb-calculator__conversion-arrow {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: var(--space-1, 0.25rem);
	padding: var(--space-4, 1rem) 0;
	color: var(--text-muted, rgba(255, 255, 255, 0.35));
	font-size: var(--text-xs, 0.75rem);
	text-transform: uppercase;
	letter-spacing: 0.08em;
}

.vb-calculator__conversion-arrow svg {
	width: 24px;
	height: 24px;
	opacity: 0.4;
}

/* VBT hero result cards */
.vb-calculator__vbt-hero {
	display: grid;
	grid-template-columns: 1fr 2fr 1fr;
	gap: var(--space-3, 0.75rem);
	margin-bottom: var(--space-5, 1.25rem);
}

@media (max-width: 640px) {
	.vb-calculator__vbt-hero {
		grid-template-columns: 1fr;
	}
}

.vb-calculator__vbt-hero-item {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: var(--space-2, 0.5rem);
	padding: var(--space-5, 1.25rem) var(--space-4, 1rem);
	background: rgba(255, 255, 255, 0.03);
	border-radius: var(--radius-lg, 0.5rem);
	border: 1px solid rgba(255, 255, 255, 0.06);
	text-align: center;
}

.vb-calculator__vbt-hero-item--primary {
	border-color: rgba(102, 68, 255, 0.3);
	background: linear-gradient(135deg, rgba(102, 68, 255, 0.12), rgba(0, 255, 229, 0.06));
}

.vb-calculator__vbt-hero-item--primary .vb-calculator__vbt-hero-value {
	font-size: var(--text-3xl, 1.875rem);
	font-family: var(--font-display, 'Sofia Sans', sans-serif);
	background: linear-gradient(135deg, var(--color-primary, #6644FF), var(--color-secondary, #00FFE5));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	background-clip: text;
}

.vb-calculator__vbt-hero-label {
	font-size: var(--text-xs, 0.75rem);
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--text-muted, rgba(255, 255, 255, 0.5));
	font-weight: 500;
}

.vb-calculator__vbt-hero-value {
	font-size: var(--text-xl, 1.25rem);
	font-weight: 700;
	color: var(--text-primary, #fff);
}

/* VBT hint text */
.vb-calculator__vbt-hint {
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-muted, rgba(255, 255, 255, 0.5));
	line-height: 1.6;
	padding: var(--space-4, 1rem) var(--space-5, 1.25rem);
	background: rgba(255, 255, 255, 0.02);
	border-radius: var(--radius-lg, 0.5rem);
	border-left: 3px solid rgba(102, 68, 255, 0.4);
	margin: 0;
}

/* Details/summary for Training Load Analysis */
.vb-calculator__details {
	margin-top: var(--space-6, 1.5rem);
	border: 1px solid var(--border-primary, rgba(255, 255, 255, 0.08));
	border-radius: var(--radius-xl, 0.75rem);
	overflow: hidden;
}

.vb-calculator__details-summary {
	padding: var(--space-4, 1rem) var(--space-5, 1.25rem);
	font-size: var(--text-sm, 0.875rem);
	font-weight: 600;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--text-muted, rgba(255, 255, 255, 0.55));
	cursor: pointer;
	list-style: none;
	display: flex;
	align-items: center;
	gap: var(--space-2, 0.5rem);
	transition: color 0.15s ease;
}

.vb-calculator__details-summary:hover {
	color: var(--text-secondary, rgba(255, 255, 255, 0.85));
}

.vb-calculator__details-summary::before {
	content: '▸';
	transition: transform 0.2s ease;
}

.vb-calculator__details[open] .vb-calculator__details-summary::before {
	transform: rotate(90deg);
}

.vb-calculator__details-summary::-webkit-details-marker {
	display: none;
}

.vb-calculator__details > .vb-calculator__result-dl {
	padding: 0 var(--space-5, 1.25rem) var(--space-5, 1.25rem);
}

/* L-V Profile form */
.vb-calculator__form--lv-profile {
	display: flex;
	flex-direction: column;
	gap: var(--space-4, 1rem);
}

/* ── Excel download CTA ── */
.vb-calculator__cta {
	display: flex;
	align-items: center;
	gap: var(--space-4, 1rem);
	margin-top: var(--space-6, 1.5rem);
	padding: var(--space-5, 1.25rem) var(--space-6, 1.5rem);
	border-radius: var(--radius-xl, 0.75rem);
	border: 1px solid rgba(102, 68, 255, 0.3);
	background: linear-gradient(135deg, rgba(102, 68, 255, 0.08) 0%, rgba(0, 255, 229, 0.05) 100%);
	position: relative;
	overflow: hidden;
}

.vb-calculator__cta::before {
	content: '';
	position: absolute;
	inset: 0;
	border-radius: inherit;
	padding: 1px;
	background: linear-gradient(135deg, rgba(102, 68, 255, 0.4), rgba(0, 255, 229, 0.25));
	mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
	mask-composite: exclude;
	-webkit-mask-composite: xor;
	pointer-events: none;
}

.vb-calculator__cta-icon {
	flex-shrink: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	border-radius: var(--radius-lg, 0.5rem);
	background: linear-gradient(135deg, rgba(102, 68, 255, 0.15), rgba(0, 255, 229, 0.08));
	color: var(--color-secondary, #00FFE5);
}

.vb-calculator__cta-body {
	flex: 1;
	min-width: 0;
}

.vb-calculator__cta-text {
	margin: 0 0 var(--space-2, 0.5rem);
	font-size: var(--text-sm, 0.875rem);
	color: var(--text-secondary, rgba(255, 255, 255, 0.75));
	line-height: 1.4;
}

.vb-calculator__cta-btn {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2, 0.5rem);
	padding: var(--space-2, 0.5rem) var(--space-5, 1.25rem);
	border-radius: var(--radius-full, 9999px);
	background: linear-gradient(135deg, var(--color-primary, #6644FF), #8B6CFF);
	color: #fff;
	font-size: var(--text-sm, 0.875rem);
	font-weight: 600;
	text-decoration: none;
	transition: transform 0.15s ease, box-shadow 0.15s ease;
	white-space: nowrap;
}

.vb-calculator__cta-btn:hover {
	transform: translateY(-1px);
	box-shadow: 0 4px 16px rgba(102, 68, 255, 0.35);
	color: #fff;
}

.vb-calculator__cta-btn svg {
	transition: transform 0.15s ease;
}

.vb-calculator__cta-btn:hover svg {
	transform: translateX(3px);
}

@media (max-width: 640px) {
	.vb-calculator__cta {
		flex-direction: column;
		text-align: center;
	}

	.vb-calculator__cta-btn {
		width: 100%;
		justify-content: center;
	}
}