/**
 * Age of Dinosaurs — Global Reusable Component System
 *
 * Implements the reusable visual and interactive vocabulary:
 * Buttons, Cards, Chips/Badges, Quick-Facts, Section Headings,
 * Form Controls, and Search Modal Overlay.
 *
 * Consumes design tokens from tokens.css.
 *
 * @package AgeOfDinosaurs
 */

/* ==========================================================================
   1. Button Components (.btn)
   Semantic, accessible, minimum 48px height touch target.
   ========================================================================== */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: var(--space-xs);
	min-height: var(--btn-height-min, 48px);
	padding: var(--btn-padding-y, 0.75rem) var(--btn-padding-x, 1.5rem);
	border-radius: var(--btn-radius, 12px);
	font-family: var(--btn-font-family, var(--font-family-body));
	font-size: var(--btn-font-size, var(--font-size-body));
	font-weight: var(--btn-font-weight, var(--font-weight-bold));
	line-height: var(--btn-line-height, var(--line-height-ui));
	text-decoration: none;
	text-align: center;
	cursor: pointer;
	border: 2px solid transparent;
	transition: 
		background-color var(--motion-duration-fast) var(--motion-ease-standard),
		color var(--motion-duration-fast) var(--motion-ease-standard),
		border-color var(--motion-duration-fast) var(--motion-ease-standard),
		box-shadow var(--motion-duration-fast) var(--motion-ease-standard),
		transform var(--motion-duration-fast) var(--motion-ease-standard);
	box-sizing: border-box;
}

.btn:focus-visible {
	outline: var(--focus-ring-width) solid var(--focus-ring-color);
	outline-offset: var(--focus-ring-offset);
}

/* Primary Button: Amber (#E89B1C) with Espresso text */
.btn--primary {
	background-color: var(--btn-primary-bg, #E89B1C);
	color: var(--btn-primary-text, #2E2A22);
	border-color: var(--btn-primary-bg, #E89B1C);
	box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
	background-color: var(--btn-primary-hover-bg, #D68C14);
	color: var(--btn-primary-hover-text, #2E2A22);
	border-color: var(--btn-primary-hover-bg, #D68C14);
	box-shadow: var(--shadow-md);
	transform: translateY(-1px);
}

.btn--primary:active {
	transform: translateY(0);
	box-shadow: var(--shadow-sm);
}

/* Secondary Button: Transparent with Fern border */
.btn--secondary {
	background-color: transparent;
	color: var(--color-fern);
	border-color: var(--color-fern);
}

.btn--secondary:hover {
	background-color: rgba(63, 125, 78, 0.08);
	color: var(--color-deep-fern);
	border-color: var(--color-deep-fern);
}

.btn--secondary:active {
	background-color: rgba(63, 125, 78, 0.14);
}

/* Tertiary / Text Button */
.btn--text {
	background-color: transparent;
	color: var(--color-fern);
	border-color: transparent;
	min-height: 44px;
	padding: var(--space-xs) var(--space-sm);
	display: inline-flex;
	align-items: center;
}

.btn--text:hover {
	color: var(--color-deep-fern);
	text-decoration: underline;
}

/* Size Modifiers */
.btn--sm {
	min-height: 40px;
	padding: 0.375rem 1rem;
	font-size: var(--font-size-small);
	border-radius: var(--radius-md);
}

@media (max-width: 768px) {
	.btn--sm {
		min-height: 44px;
	}
}

.btn--lg {
	min-height: 56px;
	padding: 1rem 2rem;
	font-size: 1.1875rem;
	border-radius: var(--radius-lg);
}

.btn--full {
	width: 100%;
}

/* Disabled State */
.btn:disabled,
.btn[aria-disabled="true"] {
	background-color: var(--btn-disabled-bg, #D8CCB2);
	color: var(--btn-disabled-text, #6F6858);
	border-color: var(--btn-disabled-bg, #D8CCB2);
	cursor: not-allowed;
	pointer-events: none;
	box-shadow: none;
	transform: none;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
	.btn,
	.btn:hover,
	.btn:active {
		transform: none !important;
		transition: none !important;
	}
}

/* ==========================================================================
   2. Card Foundation (.card)
   Chalk surface, 16px radius, soft warm shadow, restrained hover lift.
   ========================================================================== */
.card {
	position: relative;
	background-color: var(--color-chalk, #FFFAF0);
	border: 1px solid var(--color-border-default, #D8CCB2);
	border-radius: var(--radius-xl, 16px);
	padding: var(--space-xl);
	box-shadow: var(--shadow-sm);
	transition: 
		box-shadow var(--motion-duration-normal) var(--motion-ease-standard),
		transform var(--motion-duration-normal) var(--motion-ease-standard),
		border-color var(--motion-duration-normal) var(--motion-ease-standard);
	box-sizing: border-box;
}

/* Interactive Card Variant */
.card--interactive {
	cursor: pointer;
}

.card--interactive:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-md);
	border-color: rgba(111, 104, 88, 0.4);
}

.card--interactive:focus-within {
	outline: var(--focus-ring-width) solid var(--focus-ring-color);
	outline-offset: var(--focus-ring-offset);
}

/* Color Modifiers */
.card--sand {
	background-color: var(--color-sand, #EADFC8);
}

.card--deep {
	background-color: var(--color-deep-fern, #1F4A32);
	color: var(--color-bone, #F6F0E3);
	border-color: transparent;
}

.card--deep a {
	color: var(--color-chalk);
}

/* Card Sub-Elements */
.card__header {
	margin-bottom: var(--space-md);
}

.card__body {
	color: var(--color-text-primary);
	line-height: var(--line-height-body);
}

.card__footer {
	margin-top: var(--space-lg);
	padding-top: var(--space-md);
	border-top: 1px solid rgba(216, 204, 178, 0.5);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-sm);
}

.card__title {
	font-family: var(--font-family-heading);
	font-size: var(--font-size-h3);
	font-weight: var(--font-weight-bold);
	color: var(--color-text-primary);
	margin: 0 0 var(--space-xs);
	line-height: var(--line-height-heading);
}

.card__media {
	margin: calc(var(--space-xl) * -1) calc(var(--space-xl) * -1) var(--space-md);
	border-radius: var(--radius-xl) var(--radius-xl) 0 0;
	overflow: hidden;
}

.card__media img {
	width: 100%;
	height: auto;
	display: block;
	object-fit: cover;
}

@media (prefers-reduced-motion: reduce) {
	.card--interactive:hover {
		transform: none !important;
	}
}

/* ==========================================================================
   2b. Reusable Dinosaur Card (.dinosaur-card)
   Museum-grade natural history specimen card with Chalk surface, 16px radius,
   16:10 authentic media, taxonomic chips, Fraunces title, italic binomial,
   compact DM Mono quick metrics matrix, curatorial summary, and action footer.
   ========================================================================== */
.dinosaur-card {
	background-color: var(--color-chalk, #FFFAF0) !important;
	border: 1px solid var(--color-dune, #D8CCB2) !important;
	border-radius: var(--radius-xl, 16px) !important;
	padding: 0 !important;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	height: 100%;
	box-shadow: var(--shadow-sm, 0 1px 3px rgba(46, 42, 34, 0.07));
	transition: transform var(--motion-duration-fast, 150ms) var(--motion-ease-standard),
	            box-shadow var(--motion-duration-fast, 150ms) var(--motion-ease-standard),
	            border-color var(--motion-duration-fast, 150ms) var(--motion-ease-standard);
}

.dinosaur-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-md, 0 6px 18px rgba(46, 42, 34, 0.1));
	border-color: rgba(111, 104, 88, 0.4) !important;
}

.dinosaur-card__media {
	position: relative;
	aspect-ratio: 16 / 10;
	background-color: var(--color-sand, #EADFC8);
	overflow: hidden;
	width: 100%;
}

.dinosaur-card__media-link {
	display: block;
	width: 100%;
	height: 100%;
	text-decoration: none;
}

.dinosaur-card__img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	display: block;
	transition: transform 250ms cubic-bezier(0.16, 1, 0.3, 1);
}

.dinosaur-card:hover .dinosaur-card__img {
	transform: scale(1.02);
}

.dinosaur-card__media-chips {
	position: absolute;
	bottom: 8px;
	left: 8px;
	right: 8px;
	display: flex;
	flex-wrap: wrap;
	gap: 4px;
	z-index: 2;
	pointer-events: none;
}

.dinosaur-card__media-chips .chip {
	pointer-events: auto;
	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
	backdrop-filter: blur(4px);
}

.dinosaur-card__body {
	padding: var(--space-xl, 1.25rem);
	display: flex;
	flex-direction: column;
	flex-grow: 1;
}

.dinosaur-card__group-meta {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-xs, 0.5rem);
	margin-bottom: var(--space-xs, 0.35rem);
}

.dinosaur-card__region {
	font-family: var(--font-family-data, "DM Mono", monospace);
	font-size: 0.75rem;
	font-weight: 500;
	color: var(--color-stone, #6F6858);
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.dinosaur-card__title {
	font-family: var(--font-family-heading, "Fraunces", Georgia, serif);
	font-size: clamp(1.25rem, 1.5vw, 1.375rem);
	font-weight: var(--font-weight-bold, 700);
	line-height: var(--line-height-heading, 1.25);
	letter-spacing: -0.01em;
	color: var(--color-deep-fern, #1E3A2F);
	margin: 0 0 2px 0;
}

.dinosaur-card__title-link {
	color: var(--color-deep-fern, #1E3A2F);
	text-decoration: none;
	transition: color var(--motion-duration-fast, 150ms) ease;
}

.dinosaur-card__title-link:hover,
.dinosaur-card__title-link:focus-visible {
	color: var(--color-clay, #C65D3A);
}

.dinosaur-card__scientific {
	font-size: 0.9375rem;
	line-height: 1.4;
	color: var(--color-stone, #6F6858);
	margin: 0 0 var(--space-sm, 0.625rem) 0;
}

.dinosaur-card__binomial {
	font-style: italic;
	font-weight: 600;
	color: var(--color-espresso, #2E2A22);
}

.dinosaur-card__pronounce {
	font-family: var(--font-family-data, "DM Mono", monospace);
	font-size: 0.75rem;
	color: var(--color-stone, #6F6858);
	opacity: 0.9;
	margin-left: 4px;
}

.dinosaur-card__specs {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 4px;
	background-color: rgba(46, 42, 34, 0.04);
	border: 1px solid rgba(46, 42, 34, 0.07);
	border-radius: var(--radius-sm, 6px);
	padding: 6px 4px;
	margin-bottom: var(--space-sm, 0.625rem);
}

.dinosaur-card__spec {
	display: flex;
	flex-direction: column;
	align-items: center;
	text-align: center;
	padding: 0 2px;
}

.dinosaur-card__spec-label {
	font-family: var(--font-family-data, "DM Mono", monospace);
	font-size: 0.625rem;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--color-stone, #6F6858);
	font-weight: 500;
	line-height: 1.2;
}

.dinosaur-card__spec-val {
	font-family: var(--font-family-heading, "Fraunces", Georgia, serif);
	font-size: 0.8125rem;
	font-weight: 700;
	color: var(--color-espresso, #2E2A22);
	white-space: nowrap;
	line-height: 1.2;
}

.dinosaur-card__summary {
	font-family: var(--font-family-body, "Nunito Sans", sans-serif);
	font-size: 0.875rem;
	line-height: 1.55;
	color: var(--color-espresso, #2E2A22);
	opacity: 0.92;
	margin: 0 0 var(--space-md, 0.75rem) 0;
	flex-grow: 1;
}

.dinosaur-card__footer {
	margin-top: auto;
	padding-top: var(--space-sm, 0.625rem);
	border-top: 1px solid var(--color-dune, #D8CCB2);
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: var(--space-xs, 0.5rem);
}

.dinosaur-card__action {
	flex: 1 1 auto;
	text-align: center;
	white-space: nowrap;
}

.dinosaur-card__compare-link {
	flex: 0 0 auto;
	padding: 0.45rem 0.65rem;
	font-size: var(--font-size-small, 0.75rem);
	font-weight: 600;
	text-decoration: none;
	color: var(--color-stone, #6F6858);
	border: 1px solid var(--color-dune, #D8CCB2);
	border-radius: var(--radius-sm, 4px);
	background: var(--color-bone, #F6F0E3);
	transition: background-color var(--motion-duration-fast, 150ms) ease,
	            border-color var(--motion-duration-fast, 150ms) ease,
	            color var(--motion-duration-fast, 150ms) ease;
	white-space: nowrap;
}

.dinosaur-card__compare-link:hover,
.dinosaur-card__compare-link:focus-visible {
	background: #FFFFFF;
	border-color: var(--color-fern, #3F7D4E);
	color: var(--color-fern, #3F7D4E);
}

@media (prefers-reduced-motion: reduce) {
	.dinosaur-card,
	.dinosaur-card__img {
		transition: none !important;
		transform: none !important;
	}
	.dinosaur-card:hover,
	.dinosaur-card:hover .dinosaur-card__img {
		transform: none !important;
	}
}

/* ==========================================================================
   2c. Reusable Story Card (.story-card)
   Editorial natural history essay & field dispatch card.
   ========================================================================== */
.story-card {
	display: flex;
	flex-direction: column;
	height: 100%;
	background-color: var(--color-chalk, #FFFAF0) !important;
	border: 1px solid var(--color-dune, #D8CCB2) !important;
	border-radius: var(--radius-xl, 16px) !important;
	padding: var(--space-xl, 1.25rem) !important;
	box-shadow: var(--shadow-sm);
	transition: transform var(--motion-duration-fast, 150ms) ease,
	            box-shadow var(--motion-duration-fast, 150ms) ease,
	            border-color var(--motion-duration-fast, 150ms) ease;
}

.story-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-md);
	border-color: rgba(111, 104, 88, 0.4) !important;
}

.story-card__header {
	margin-bottom: var(--space-sm, 0.5rem);
}

.story-card__meta {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-bottom: var(--space-xs, 0.35rem);
}

.story-card__reading-time {
	font-family: var(--font-family-data, "DM Mono", monospace);
	font-size: 0.75rem;
	font-weight: 500;
	color: var(--color-stone, #6F6858);
}

.story-card__title {
	font-family: var(--font-family-heading, "Fraunces", Georgia, serif);
	font-size: 1.25rem;
	font-weight: 700;
	line-height: 1.3;
	color: var(--color-deep-fern, #1E3A2F);
	margin: 0;
}

.story-card__title-link {
	color: inherit;
	text-decoration: none;
	transition: color var(--motion-duration-fast, 150ms) ease;
}

.story-card__title-link:hover,
.story-card__title-link:focus-visible {
	color: var(--color-clay, #C65D3A);
}

.story-card__body {
	flex-grow: 1;
	margin-bottom: var(--space-md, 0.75rem);
}

.story-card__excerpt {
	font-size: 0.9375rem;
	line-height: 1.55;
	color: var(--color-espresso, #2E2A22);
	margin: 0;
	opacity: 0.92;
}

.story-card__footer {
	display: flex;
	justify-content: space-between;
	align-items: center;
	margin-top: auto;
	padding-top: var(--space-sm, 0.5rem);
	border-top: 1px solid var(--color-dune, #D8CCB2);
}

.story-card__date {
	font-family: var(--font-family-data, "DM Mono", monospace);
	font-size: 0.75rem;
	color: var(--color-stone, #6F6858);
}

.story-card__cta {
	font-weight: 700;
	padding-right: 0 !important;
	color: var(--color-fern, #3F7D4E);
}

.story-card__cta:hover {
	color: var(--color-deep-fern, #1E3A2F);
}

@media (prefers-reduced-motion: reduce) {
	.story-card {
		transform: none !important;
		transition: none !important;
	}
	.story-card:hover {
		transform: none !important;
	}
}

/* ==========================================================================
   3. Chips & Badges (.chip)
   Period, diet, region, group tags using verified design-token palette.
   ========================================================================== */
.chip {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 4px 12px;
	border-radius: var(--radius-pill);
	font-family: var(--font-family-data);
	font-size: var(--font-size-quick-fact, 0.8125rem);
	font-weight: var(--font-weight-medium);
	letter-spacing: var(--letter-spacing-wide);
	text-transform: uppercase;
	line-height: 1.3;
	border: 1px solid transparent;
	white-space: nowrap;
	text-decoration: none;
	transition: background-color var(--motion-duration-fast) var(--motion-ease-standard);
}

a.chip,
button.chip {
	cursor: pointer;
	min-height: 38px;
}

@media (max-width: 768px) {
	a.chip,
	button.chip {
		min-height: 44px;
		padding: 6px 14px;
	}
}

/* Period Chips */
.chip--triassic {
	background-color: #FDF3EC;
	color: #B8601E;
	border-color: rgba(217, 137, 75, 0.35);
}

.chip--jurassic {
	background-color: #EDF5EF;
	color: #276036;
	border-color: rgba(63, 125, 78, 0.35);
}

.chip--cretaceous {
	background-color: #EDF7F6;
	color: #286F6B;
	border-color: rgba(79, 166, 160, 0.35);
}

/* Diet Chips */
.chip--carnivore {
	background-color: #FAECE8;
	color: #9E3C1B;
	border-color: rgba(198, 93, 58, 0.35);
}

.chip--herbivore {
	background-color: #EEF6E8;
	color: #4D7325;
	border-color: rgba(110, 155, 63, 0.35);
}

.chip--omnivore {
	background-color: #FEF7E6;
	color: #A87108;
	border-color: rgba(224, 162, 31, 0.35);
}

.chip--piscivore {
	background-color: #EBF5F7;
	color: #266978;
	border-color: rgba(79, 166, 160, 0.35);
}

/* Region & Clade Group Chips */
.chip--region {
	background-color: var(--color-sand);
	color: var(--color-espresso);
	border-color: var(--color-dune);
}

.chip--group {
	background-color: rgba(141, 168, 90, 0.15);
	color: var(--color-deep-fern);
	border-color: rgba(141, 168, 90, 0.35);
}

/* Standalone Status Badge */
.badge {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 20px;
	height: 20px;
	padding: 0 6px;
	border-radius: var(--radius-pill);
	background-color: var(--color-fern);
	color: var(--color-chalk);
	font-family: var(--font-family-data);
	font-size: 0.75rem;
	font-weight: var(--font-weight-bold);
	line-height: 1;
}

/* ==========================================================================
   4. Quick-Fact Component (.quick-fact)
   Museum stat card: DM Mono labels, Fraunces values, Sand background.
   ========================================================================== */
.quick-facts-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
	gap: var(--space-md);
}

.quick-fact {
	display: flex;
	flex-direction: column;
	background-color: var(--color-sand, #EADFC8);
	border: 1px solid var(--color-dune, #D8CCB2);
	border-radius: var(--radius-lg, 12px);
	padding: var(--space-md) var(--space-lg);
	box-sizing: border-box;
}

.quick-fact__label {
	font-family: var(--font-family-data);
	font-size: 0.75rem;
	font-weight: var(--font-weight-medium);
	color: var(--color-stone);
	text-transform: uppercase;
	letter-spacing: var(--letter-spacing-wider);
	margin-bottom: var(--space-xs);
	line-height: 1.2;
}

.quick-fact__value-wrapper {
	display: flex;
	align-items: baseline;
	gap: 4px;
}

.quick-fact__value {
	font-family: var(--font-family-heading);
	font-size: clamp(1.375rem, 1.2rem + 0.5vw, 1.75rem);
	font-weight: var(--font-weight-bold);
	color: var(--color-espresso);
	line-height: 1.1;
}

.quick-fact__unit {
	font-family: var(--font-family-data);
	font-size: 0.875rem;
	font-weight: var(--font-weight-regular);
	color: var(--color-stone);
}

/* ==========================================================================
   5. Section Heading Foundation (.section-heading)
   Structured title component with eyebrow, H2/H3, and description.
   ========================================================================== */
.section-heading {
	margin-bottom: var(--space-2xl);
}

.section-heading--centered {
	text-align: center;
}

.section-heading--centered .section-heading__description {
	margin-left: auto;
	margin-right: auto;
}

.section-heading--split {
	display: flex;
	flex-direction: column;
	gap: var(--space-md);
}

@media (min-width: 768px) {
	.section-heading--split {
		flex-direction: row;
		align-items: flex-end;
		justify-content: space-between;
	}
}

.section-heading__eyebrow {
	display: inline-block;
	font-family: var(--font-family-data);
	font-size: 0.8125rem;
	font-weight: var(--font-weight-medium);
	color: var(--color-fern);
	text-transform: uppercase;
	letter-spacing: var(--letter-spacing-wider);
	margin-bottom: var(--space-xs);
}

.section-heading__title {
	font-family: var(--font-family-heading);
	font-size: var(--font-size-h2);
	font-weight: var(--font-weight-bold);
	color: var(--color-text-primary);
	line-height: var(--line-height-heading);
	margin: 0 0 var(--space-xs);
}

.section-heading__description {
	font-family: var(--font-family-body);
	font-size: var(--font-size-body);
	color: var(--color-text-secondary);
	line-height: var(--line-height-body);
	max-width: 600px;
	margin: 0;
}

.section-heading__action {
	flex-shrink: 0;
}

/* ==========================================================================
   6. Form Control Foundation
   Chalk background, Dune border, Espresso text, Fern focus ring.
   ========================================================================== */
.form-group {
	display: flex;
	flex-direction: column;
	margin-bottom: var(--space-lg);
}

.form-label {
	font-family: var(--font-family-body);
	font-size: var(--font-size-small);
	font-weight: var(--font-weight-semibold);
	color: var(--color-espresso);
	margin-bottom: var(--space-xs);
	cursor: pointer;
}

.form-input,
.form-select,
.form-textarea {
	width: 100%;
	min-height: var(--form-input-height, 48px);
	padding: var(--form-input-padding, 0.75rem 1rem);
	background-color: var(--form-input-bg, #FFFAF0);
	border: 1px solid var(--form-input-border, #D8CCB2);
	border-radius: var(--form-input-radius, 8px);
	color: var(--form-input-text, #2E2A22);
	font-family: var(--font-family-body);
	font-size: var(--font-size-body);
	line-height: var(--line-height-ui);
	transition: 
		border-color var(--motion-duration-fast) var(--motion-ease-standard),
		box-shadow var(--motion-duration-fast) var(--motion-ease-standard);
	box-sizing: border-box;
}

.form-input::placeholder,
.form-textarea::placeholder {
	color: var(--form-input-placeholder, #6F6858);
	opacity: 0.8;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
	border-color: var(--color-stone);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
	outline: none;
	border-color: var(--form-focus-border, #3F7D4E);
	box-shadow: 0 0 0 var(--focus-ring-width, 2px) rgba(63, 125, 78, 0.25);
}

.form-textarea {
	min-height: 120px;
	resize: vertical;
}

/* Error & Success States */
.form-input.is-error,
.form-select.is-error,
.form-textarea.is-error,
.form-input[aria-invalid="true"] {
	border-color: var(--form-error-border, #C65D3A);
}

.form-input.is-error:focus,
.form-select.is-error:focus,
.form-textarea.is-error:focus {
	box-shadow: 0 0 0 var(--focus-ring-width, 2px) rgba(198, 93, 58, 0.25);
}

.form-error {
	font-family: var(--font-family-body);
	font-size: var(--font-size-small);
	color: var(--color-clay);
	margin-top: var(--space-xs);
	display: flex;
	align-items: center;
	gap: 4px;
}

.form-hint {
	font-family: var(--font-family-body);
	font-size: var(--font-size-small);
	color: var(--color-stone);
	margin-top: var(--space-xs);
}

/* Accessible Checkbox & Radio */
.form-check {
	display: flex;
	align-items: center;
	gap: var(--space-sm);
	cursor: pointer;
	min-height: 44px;
}

.form-check__input {
	appearance: none;
	-webkit-appearance: none;
	width: 20px;
	height: 20px;
	margin: 0;
	background-color: var(--color-chalk);
	border: 1px solid var(--color-dune);
	border-radius: var(--radius-sm);
	cursor: pointer;
	position: relative;
	transition: background-color var(--motion-duration-fast) var(--motion-ease-standard);
}

.form-check__input[type="radio"] {
	border-radius: var(--radius-pill);
}

.form-check__input:checked {
	background-color: var(--color-fern);
	border-color: var(--color-fern);
}

.form-check__input:checked::after {
	content: "";
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	width: 6px;
	height: 10px;
	border: solid var(--color-chalk);
	border-width: 0 2px 2px 0;
	transform: translate(-50%, -60%) rotate(45deg);
}

.form-check__input[type="radio"]:checked::after {
	width: 8px;
	height: 8px;
	border-radius: var(--radius-pill);
	background-color: var(--color-chalk);
	border: none;
	transform: translate(-50%, -50%);
}

.form-check__input:focus-visible {
	outline: var(--focus-ring-width) solid var(--focus-ring-color);
	outline-offset: var(--focus-ring-offset);
}

/* ==========================================================================
   7. Search Modal Overlay (.search-modal)
   Lightweight, accessible dialog with focus trap and keyboard control.
   ========================================================================== */
.search-modal {
	position: fixed;
	inset: 0;
	z-index: var(--z-modal, 2050);
	display: flex;
	align-items: flex-start;
	justify-content: center;
	padding: clamp(1rem, 4vw, 4rem) var(--space-md);
	pointer-events: none;
	opacity: 0;
	visibility: hidden;
	transition: 
		opacity var(--motion-duration-normal) var(--motion-ease-standard),
		visibility var(--motion-duration-normal) var(--motion-ease-standard);
}

.search-modal.is-open {
	pointer-events: auto;
	opacity: 1;
	visibility: visible;
}

.search-modal[hidden] {
	display: none;
}

.search-modal__backdrop {
	position: fixed;
	inset: 0;
	background-color: rgba(46, 42, 34, 0.5);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.search-modal__container {
	position: relative;
	width: 100%;
	max-width: 680px;
	z-index: 1;
	transform: translateY(-16px);
	transition: transform var(--motion-duration-normal) var(--motion-ease-emphasized);
}

.search-modal.is-open .search-modal__container {
	transform: translateY(0);
}

.search-modal__card {
	background-color: var(--color-chalk, #FFFAF0);
	border: 1px solid var(--color-dune, #D8CCB2);
	border-radius: var(--radius-xl, 16px);
	box-shadow: var(--shadow-lg);
	padding: var(--space-xl);
}

.search-modal__header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: var(--space-lg);
}

.search-modal__title {
	font-family: var(--font-family-heading);
	font-size: var(--font-size-h3);
	font-weight: var(--font-weight-bold);
	color: var(--color-espresso);
	margin: 0;
}

.search-modal__close {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 44px;
	height: 44px;
	background: transparent;
	border: none;
	border-radius: var(--radius-pill);
	color: var(--color-espresso);
	cursor: pointer;
	transition: background-color var(--motion-duration-fast) var(--motion-ease-standard);
}

.search-modal__close:hover {
	background-color: rgba(46, 42, 34, 0.08);
}

.search-modal__close:focus-visible {
	outline: var(--focus-ring-width) solid var(--focus-ring-color);
	outline-offset: var(--focus-ring-offset);
}

.search-modal__form {
	margin-bottom: var(--space-lg);
}

.search-modal__field-wrapper {
	position: relative;
	display: flex;
	align-items: center;
	gap: var(--space-sm);
}

.search-modal__input-icon {
	position: absolute;
	left: 16px;
	color: var(--color-stone);
	pointer-events: none;
}

.search-modal__input {
	padding-left: 48px;
	min-height: 52px;
	font-size: 1.125rem;
	border-radius: var(--radius-lg);
}

.search-modal__submit-btn {
	min-height: 52px;
	padding: 0 1.5rem;
	flex-shrink: 0;
}

.search-modal__quick-topics {
	display: flex;
	flex-direction: column;
	gap: var(--space-sm);
	padding-top: var(--space-md);
	border-top: 1px solid rgba(216, 204, 178, 0.4);
}

.search-modal__topics-label {
	font-family: var(--font-family-data);
	font-size: 0.75rem;
	font-weight: var(--font-weight-medium);
	color: var(--color-stone);
	text-transform: uppercase;
	letter-spacing: var(--letter-spacing-wider);
}

.search-modal__chips {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-xs);
}

/* ==========================================================================
   8. Breadcrumb Landmark Primitives
   Shared across Timeline, Compare, Stories, Learn, and Profiles.
   ========================================================================== */
.breadcrumbs {
	position: relative;
	width: 100%;
}

.breadcrumbs__list {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	list-style: none !important;
	list-style-type: none !important;
	margin: 0;
	padding: 0;
	font-family: var(--font-family-body);
	font-size: var(--font-size-small);
	line-height: var(--line-height-normal);
	color: var(--color-stone);
}

.breadcrumbs__item {
	display: inline-flex;
	align-items: baseline;
	list-style: none !important;
	list-style-type: none !important;
	margin: 0;
	padding: 0;
}

/* Pure CSS decorative separator between adjacent breadcrumb items */
.breadcrumbs__item + .breadcrumbs__item::before {
	content: "/";
	content: "/" / "";
	display: inline-block;
	color: var(--color-stone);
	opacity: 0.55;
	margin: 0 0.5rem;
	font-size: var(--font-size-small);
	font-weight: var(--font-weight-regular, 400);
	user-select: none;
	pointer-events: none;
	speak: never;
}

.breadcrumbs__link {
	display: inline-flex;
	align-items: center;
	min-height: 28px;
	padding: 2px 4px;
	color: var(--color-stone);
	text-decoration: none;
	border-radius: var(--radius-sm);
	transition: color var(--motion-duration-fast) var(--motion-ease-standard),
	            text-decoration-color var(--motion-duration-fast) var(--motion-ease-standard);
}

.breadcrumbs__link:hover {
	color: var(--color-fern);
	text-decoration: underline;
	text-underline-offset: 3px;
}

.breadcrumbs__link:focus-visible {
	outline: var(--focus-ring-width) solid var(--focus-ring-color);
	outline-offset: var(--focus-ring-offset);
}

.breadcrumbs__current,
.breadcrumbs__item--current {
	font-weight: var(--font-weight-bold);
	color: var(--color-espresso);
}

/* Fallback hiding for any legacy separator element */
.breadcrumbs__separator {
	display: none !important;
}

/* ==========================================================================
   9. Pagination Component (.pagination)
   Polished museum-editorial pagination: compact, centered, accessible,
   44px touch targets, clear current-page contrast, unobtrusive ellipsis,
   responsive mobile condensation, and zero !important declarations.
   ========================================================================== */
.pagination {
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	margin-top: clamp(2.5rem, 5vw, 4rem);
	margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
	box-sizing: border-box;
}

.pagination ul.page-numbers {
	display: flex;
	align-items: center;
	justify-content: center;
	flex-wrap: wrap;
	gap: var(--space-xs, 0.375rem);
	list-style: none;
	padding: 0;
	margin: 0;
}

.pagination ul.page-numbers li {
	display: inline-flex;
	align-items: center;
	margin: 0;
	padding: 0;
}

/* Base Page Number Control */
.pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 44px;
	min-height: 44px;
	padding: 0 var(--space-sm, 0.625rem);
	border-radius: var(--radius-md, 8px);
	border: 1px solid var(--color-dune, #D8CCB2);
	background-color: var(--color-chalk, #FFFAF0);
	color: var(--color-espresso, #2E2A22);
	font-family: var(--font-family-body, "Nunito Sans", sans-serif);
	font-size: var(--font-size-small, 0.875rem);
	font-weight: var(--font-weight-bold, 700);
	line-height: 1;
	text-decoration: none;
	box-sizing: border-box;
	box-shadow: var(--shadow-sm);
	transition: 
		background-color var(--motion-duration-fast, 150ms) var(--motion-ease-standard),
		border-color var(--motion-duration-fast, 150ms) var(--motion-ease-standard),
		color var(--motion-duration-fast, 150ms) var(--motion-ease-standard),
		box-shadow var(--motion-duration-fast, 150ms) var(--motion-ease-standard);
}

/* Hover State for Clickable Pages */
.pagination a.page-numbers:hover:not(.current) {
	border-color: var(--color-fern, #3F7D4E);
	background-color: rgba(63, 125, 78, 0.08);
	color: var(--color-deep-fern, #1F4A32);
	box-shadow: var(--shadow-md);
}

/* Active / Current Page */
.pagination .page-numbers.current,
.pagination [aria-current="page"] {
	background-color: var(--color-fern, #3F7D4E);
	color: var(--color-chalk, #FFFAF0);
	border-color: var(--color-fern, #3F7D4E);
	font-weight: var(--font-weight-bold, 700);
	cursor: default;
	pointer-events: none;
	box-shadow: 0 1px 3px rgba(31, 74, 50, 0.25);
}

/* Directional Previous & Next Controls */
.pagination .page-numbers.prev,
.pagination .page-numbers.next {
	min-width: auto;
	padding: 0 var(--space-md, 0.875rem);
	font-weight: var(--font-weight-bold, 700);
	letter-spacing: var(--letter-spacing-normal, 0);
	white-space: nowrap;
	gap: 0.35rem;
}

/* Ellipsis Separator (.dots) */
.pagination .page-numbers.dots {
	min-width: 32px;
	border: 1px solid transparent;
	background-color: transparent;
	color: var(--color-stone, #6F6858);
	font-family: var(--font-family-data, "DM Mono", monospace);
	font-size: 1rem;
	letter-spacing: 0.1em;
	box-shadow: none;
	cursor: default;
	user-select: none;
	pointer-events: none;
	padding: 0;
}

/* Keyboard Focus Accessibility */
.pagination a.page-numbers:focus-visible {
	outline: var(--focus-ring-width, 2px) solid var(--focus-ring-color, #3F7D4E);
	outline-offset: var(--focus-ring-offset, 2px);
}

/* Mobile Responsiveness (<= 600px) */
@media (max-width: 600px) {
	.pagination ul.page-numbers {
		gap: var(--space-xs, 0.375rem);
		justify-content: center;
	}

	/* Condense intermediate non-active numbers on small screens to prevent wrapping and overflow */
	.pagination ul.page-numbers li:not(:has(.prev)):not(:has(.next)):not(:has(.current)) {
		display: none;
	}

	.pagination .page-numbers.prev,
	.pagination .page-numbers.next {
		padding: 0 0.75rem;
		font-size: 0.8125rem;
	}

	.pagination .page-numbers {
		min-width: 44px;
		min-height: 44px;
	}
}

/* Accessibility: Reduced Motion Override */
@media (prefers-reduced-motion: reduce) {
	.pagination .page-numbers,
	.pagination a.page-numbers:hover {
		transition: none;
		transform: none;
	}
}