/**
 * OB Wheel Theme - Reusable UI Components
 *
 * Cards, buttons, badges, steps, grids, timeline, accordion,
 * trust badges, disclaimer, author box, progress bar, utilities.
 *
 * @package OB_Wheel_Theme
 * @since 1.0.0
 */

/* ==========================================================================
   1. CARDS
   ========================================================================== */

.card {
	display: flex;
	flex-direction: column;
	justify-content: flex-start;
	height: 100% !important;
	background-color: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: var(--space-8);
	box-shadow: var(--shadow-sm);
	transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card-hover:hover {
	box-shadow: var(--shadow-lg);
	transform: translateY(-2px);
}

.card-icon {
	width: 48px;
	height: 48px;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--color-primary-light);
	border-radius: var(--radius-md);
	margin-bottom: var(--space-5);
	color: var(--color-primary);
}

.card-icon svg {
	width: 24px;
	height: 24px;
}

.card h3 {
	margin-bottom: var(--space-3);
}

.card p {
	color: var(--color-text-muted);
	font-size: var(--font-size-sm);
	margin-bottom: 0;
}

/* ==========================================================================
   2. BUTTONS
   ========================================================================== */

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-2);
	padding: var(--space-3) var(--space-6);
	min-height: 44px;
	font-family: var(--font-family);
	font-size: var(--font-size-sm);
	font-weight: 600;
	line-height: 1;
	border: 2px solid transparent;
	border-radius: var(--radius-sm);
	cursor: pointer;
	text-decoration: none;
	transition: all var(--transition-fast);
	white-space: nowrap;
}

.btn:focus-visible {
	outline: 2px solid var(--color-primary);
	outline-offset: 2px;
}

.btn:hover {
	text-decoration: none;
}

.btn svg {
	width: 18px;
	height: 18px;
	flex-shrink: 0;
}

.btn-primary {
	background-color: var(--color-primary);
	color: #fff;
}

.btn-primary:hover {
	background-color: var(--color-primary-dark);
	color: #fff;
}

.btn-secondary {
	background-color: var(--color-bg-alt);
	color: var(--color-text);
}

.btn-secondary:hover {
	background-color: var(--color-border);
	color: var(--color-text);
}

.btn-outline {
	background-color: transparent;
	color: var(--color-primary);
	border-color: var(--color-primary);
}

.btn-outline:hover {
	background-color: var(--color-primary);
	color: #fff;
}

.btn-icon {
	padding: var(--space-2);
	min-height: 40px;
	min-width: 40px;
	border-radius: var(--radius-sm);
	background-color: var(--color-bg-alt);
	color: var(--color-text-muted);
}

.btn-icon:hover {
	background-color: var(--color-border);
	color: var(--color-text);
}

.btn-lg {
	padding: var(--space-4) var(--space-8);
	min-height: 52px;
	font-size: 1rem;
}

/* ==========================================================================
   3. BADGES
   ========================================================================== */

.badge {
	display: inline-flex;
	align-items: center;
	gap: var(--space-1);
	padding: var(--space-1) var(--space-3);
	font-size: var(--font-size-xs);
	font-weight: 600;
	border-radius: var(--radius-full);
	white-space: nowrap;
}

.badge svg {
	width: 14px;
	height: 14px;
}

.badge-success {
	background-color: #DCFCE7;
	color: #166534;
}

.badge-info {
	background-color: var(--color-primary-light);
	color: var(--color-primary-dark);
}

.badge-coming-soon {
	background-color: #FEF3C7;
	color: #92400E;
}

.badge-neutral {
	background-color: var(--color-bg-alt);
	color: var(--color-text-muted);
}

/* ==========================================================================
   4. TRUST BADGES
   ========================================================================== */

.trust-badges {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	gap: var(--space-4);
}

.trust-badge {
	display: inline-flex;
	align-items: center;
	gap: var(--space-2);
	padding: var(--space-2) var(--space-4);
	background-color: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-full);
	font-size: var(--font-size-sm);
	font-weight: 500;
	color: var(--color-text-muted);
}

.trust-badge svg {
	width: 18px;
	height: 18px;
	color: var(--color-accent);
	flex-shrink: 0;
}

/* ==========================================================================
   5. STEPS (How It Works)
   ========================================================================== */

.steps {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
	gap: var(--space-8);
	counter-reset: step-counter;
}

.step-card {
	position: relative;
	background-color: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: var(--space-8);
	text-align: center;
	counter-increment: step-counter;
}

.step-number {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 48px;
	height: 48px;
	background-color: var(--color-primary);
	color: #fff;
	font-size: var(--font-size-lg);
	font-weight: 700;
	border-radius: var(--radius-full);
	margin: 0 auto var(--space-5);
}

.step-card h3 {
	margin-bottom: var(--space-3);
}

.step-card p {
	color: var(--color-text-muted);
	font-size: var(--font-size-sm);
	margin-bottom: 0;
}

.step-icon {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 56px;
	height: 56px;
	margin: 0 auto var(--space-4);
	color: var(--color-primary);
}

.step-icon svg {
	width: 32px;
	height: 32px;
}

/* ==========================================================================
   6. FEATURE GRID
   ========================================================================== */

.feature-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
	gap: var(--space-6);
	align-items: stretch !important;
}

@media (min-width: 768px) {
	.feature-grid {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (min-width: 1024px) {
	.feature-grid {
		grid-template-columns: repeat(3, 1fr);
	}
	.feature-grid.grid-2-cols {
		grid-template-columns: repeat(2, 1fr);
	}
}

/* ==========================================================================
   7. CALCULATOR GRID (Related Calculators)
   ========================================================================== */

.calculator-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
	gap: var(--space-6);
}

.calculator-card {
	display: flex;
	flex-direction: column;
	background-color: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: var(--space-6);
	text-decoration: none;
	color: var(--color-text);
	transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}

.calculator-card:hover {
	box-shadow: var(--shadow-md);
	transform: translateY(-2px);
	border-color: var(--color-primary-light);
	text-decoration: none;
	color: var(--color-text);
}

.calculator-card-icon {
	width: 40px;
	height: 40px;
	display: flex;
	align-items: center;
	justify-content: center;
	background-color: var(--color-primary-light);
	border-radius: var(--radius-sm);
	margin-bottom: var(--space-4);
	color: var(--color-primary);
}

.calculator-card-icon svg {
	width: 20px;
	height: 20px;
}

.calculator-card h3 {
	font-size: var(--font-size-sm);
	font-weight: 600;
	margin-bottom: var(--space-2);
}

.calculator-card p {
	font-size: var(--font-size-xs);
	color: var(--color-text-muted);
	margin-bottom: var(--space-3);
	flex-grow: 1;
}

.calculator-card .badge {
	align-self: flex-start;
}

/* ==========================================================================
   8. TIMELINE
   ========================================================================== */

.timeline {
	position: relative;
	padding: var(--space-8) 0;
}

/* Vertical timeline for all screens */
.timeline-track {
	position: relative;
	padding-left: var(--space-10);
}

.timeline-track::before {
	content: '';
	position: absolute;
	left: 16px;
	top: 0;
	bottom: 0;
	width: 3px;
	background: linear-gradient(
		to bottom,
		var(--color-primary-light) 0%,
		var(--color-primary-light) 30%,
		var(--color-accent) 30%,
		var(--color-accent) 66%,
		var(--color-primary) 66%,
		var(--color-primary) 100%
	);
	border-radius: 2px;
}

.timeline-item {
	position: relative;
	padding-bottom: var(--space-8);
}

.timeline-item:last-child {
	padding-bottom: 0;
}

.timeline-dot {
	position: absolute;
	left: calc(-1 * var(--space-10) + 10px);
	top: 4px;
	width: 16px;
	height: 16px;
	border-radius: var(--radius-full);
	border: 3px solid var(--color-card);
	box-shadow: 0 0 0 2px var(--color-primary);
	background-color: var(--color-primary);
}

.timeline-dot-active {
	box-shadow: 0 0 0 2px var(--color-accent), 0 0 0 6px rgba(16, 185, 129, 0.2);
	background-color: var(--color-accent);
}

.timeline-content h4 {
	margin-bottom: var(--space-2);
}

.timeline-content p {
	color: var(--color-text-muted);
	font-size: var(--font-size-sm);
	margin-bottom: 0;
}

.timeline-date {
	font-size: var(--font-size-xs);
	color: var(--color-text-light);
	font-weight: 500;
}

/* ==========================================================================
   9. MILESTONE CARDS
   ========================================================================== */

.milestone-cards {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(min(100%, 200px), 1fr));
	gap: var(--space-4);
}

.milestone-card {
	background-color: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	padding: var(--space-5);
}

.milestone-week {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: var(--space-1) var(--space-3);
	background-color: var(--color-primary-light);
	color: var(--color-primary-dark);
	font-size: var(--font-size-xs);
	font-weight: 700;
	border-radius: var(--radius-full);
	margin-bottom: var(--space-3);
}

.milestone-card h4 {
	font-size: var(--font-size-sm);
	margin-bottom: var(--space-2);
}

.milestone-card p {
	font-size: var(--font-size-xs);
	color: var(--color-text-muted);
	line-height: 1.5;
	margin-bottom: 0;
}

/* ==========================================================================
   10. ACCORDION (FAQ)
   ========================================================================== */

.accordion {
	display: flex;
	flex-direction: column;
	gap: var(--space-3);
	max-width: 900px;
	margin: 0 auto;
}

.accordion-item {
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	background-color: var(--color-card);
	overflow: hidden;
	transition: border-color var(--transition-fast);
}

.accordion-item[open] {
	border-color: var(--color-primary-light);
}

.accordion-item summary {
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: var(--space-5) var(--space-6);
	font-weight: 600;
	font-size: var(--font-size-sm);
	cursor: pointer;
	list-style: none;
	user-select: none;
	min-height: 44px;
	transition: background-color var(--transition-fast);
}

.accordion-item summary::-webkit-details-marker {
	display: none;
}

.accordion-item summary::marker {
	display: none;
	content: '';
}

.accordion-item summary:hover {
	background-color: var(--color-bg);
}

.accordion-item summary:focus-visible {
	outline: 2px solid var(--color-primary);
	outline-offset: -2px;
	border-radius: var(--radius-md);
}

.accordion-chevron {
	flex-shrink: 0;
	width: 20px;
	height: 20px;
	color: var(--color-text-muted);
	transition: transform var(--transition-base);
}

.accordion-item[open] .accordion-chevron {
	transform: rotate(180deg);
}

.accordion-content {
	padding: 0 var(--space-6) var(--space-6);
	font-size: var(--font-size-sm);
	color: var(--color-text-muted);
	line-height: var(--line-height-normal);
}

.accordion-content p {
	margin-bottom: var(--space-4);
}

.accordion-content p:last-child {
	margin-bottom: 0;
}

/* ==========================================================================
   11. DISCLAIMER
   ========================================================================== */

.disclaimer {
	background-color: var(--color-primary-lighter);
	border-left: 4px solid var(--color-primary);
	border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
	padding: var(--space-6);
	margin: var(--space-8) 0;
}

.disclaimer p {
	font-size: var(--font-size-sm);
	color: var(--color-text-muted);
	line-height: 1.6;
	margin-bottom: 0;
}

.disclaimer strong {
	color: var(--color-text);
}

/* ==========================================================================
   12. AUTHOR BOX (E-E-A-T)
   ========================================================================== */

.author-box {
	display: flex;
	gap: var(--space-5);
	padding: var(--space-6);
	background-color: var(--color-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	margin-bottom: var(--space-6);
}

.author-avatar {
	width: 56px;
	height: 56px;
	border-radius: var(--radius-full);
	background-color: var(--color-primary-light);
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
	color: var(--color-primary);
}

.author-avatar svg {
	width: 28px;
	height: 28px;
}

.author-info h4 {
	font-size: var(--font-size-sm);
	margin-bottom: var(--space-1);
}

.author-credential {
	font-size: var(--font-size-xs);
	color: var(--color-primary);
	font-weight: 600;
	margin-bottom: var(--space-2);
}

.author-bio {
	font-size: var(--font-size-xs);
	color: var(--color-text-muted);
	line-height: 1.5;
	margin-bottom: 0;
}

/* ==========================================================================
   13. PROGRESS BAR
   ========================================================================== */

.progress-bar {
	width: 100%;
	height: 12px;
	background-color: var(--color-bg-alt);
	border-radius: var(--radius-full);
	overflow: hidden;
	position: relative;
}

.progress-bar-fill {
	height: 100%;
	background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
	border-radius: var(--radius-full);
	transition: width 0.8s ease;
	min-width: 0;
}

.progress-label {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-top: var(--space-2);
	font-size: var(--font-size-xs);
	color: var(--color-text-muted);
	font-weight: 500;
}

/* ==========================================================================
   14. REFERENCES
   ========================================================================== */

.references {
	background-color: var(--color-bg);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	padding: var(--space-6);
	margin-top: var(--space-8);
}

.references h4 {
	font-size: var(--font-size-sm);
	margin-bottom: var(--space-4);
}

.references ol {
	list-style: decimal;
	padding-left: var(--space-6);
}

.references li {
	font-size: var(--font-size-xs);
	color: var(--color-text-muted);
	margin-bottom: var(--space-2);
	line-height: 1.5;
}

.references a {
	color: var(--color-primary);
	word-break: break-word;
}

/* ==========================================================================
   15. UTILITIES
   ========================================================================== */

.sr-only {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.text-center {
	text-align: center;
}

.text-muted {
	color: var(--color-text-muted);
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }