/* ============================================
   iiif-media-parsers showcase
   Editorial precision meets developer docs.
   ============================================ */

/* --- Tokens --- */
:root {
	/* Typography */
	--font-display: 'DM Serif Display', Georgia, serif;
	--font-body: 'Libre Franklin', -apple-system, sans-serif;
	--font-mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Code', Menlo, monospace;

	/* Spacing */
	--container: 72rem;
	--gap: 1.5rem;
	--radius: 6px;
	--radius-lg: 10px;
}

/* Dark theme (default) */
:root,
[data-theme="dark"] {
	--bg-deep: #0f1117;
	--bg-surface: #181a22;
	--bg-card: #1e2029;
	--bg-input: #13141b;
	--border: #2a2d3a;
	--border-subtle: #22242f;
	--text: #e4e5ea;
	--text-muted: #8b8d9a;
	--text-dim: #5c5e6b;
	--text-heading: #fff;
	--accent: #d4a44c;
	--accent-soft: rgba(212, 164, 76, 0.12);
	--accent-hover: #e4b85c;
	--code-bg: #14151d;
	--success: #4ade80;
	--error: #f87171;
	--grain-opacity: 0.025;
}

/* Light theme */
[data-theme="light"] {
	--bg-deep: #f7f5f2;
	--bg-surface: #efece8;
	--bg-card: #fff;
	--bg-input: #f9f8f6;
	--border: #d8d4ce;
	--border-subtle: #e6e2dc;
	--text: #2c2a26;
	--text-muted: #6b675f;
	--text-dim: #9a9590;
	--text-heading: #1a1816;
	--accent: #a07828;
	--accent-soft: rgba(160, 120, 40, 0.08);
	--accent-hover: #b8892e;
	--code-bg: #f0ece6;
	--success: #2e8b57;
	--error: #c0392b;
	--grain-opacity: 0.015;
}

@media (prefers-color-scheme: light) {
	:root:not([data-theme="dark"]) {
		--bg-deep: #f7f5f2;
		--bg-surface: #efece8;
		--bg-card: #fff;
		--bg-input: #f9f8f6;
		--border: #d8d4ce;
		--border-subtle: #e6e2dc;
		--text: #2c2a26;
		--text-muted: #6b675f;
		--text-dim: #9a9590;
		--text-heading: #1a1816;
		--accent: #a07828;
		--accent-soft: rgba(160, 120, 40, 0.08);
		--accent-hover: #b8892e;
		--code-bg: #f0ece6;
		--success: #2e8b57;
		--error: #c0392b;
		--grain-opacity: 0.015;
	}
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
	box-sizing: border-box;
	margin: 0;
}

html {
	font-size: 16px;
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

body {
	font-family: var(--font-body);
	color: var(--text);
	background: var(--bg-deep);
	line-height: 1.65;
	min-height: 100vh;
}

/* Subtle paper grain overlay */
.page-grain {
	position: fixed;
	inset: 0;
	pointer-events: none;
	z-index: 9999;
	opacity: var(--grain-opacity);
	background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

.container {
	max-width: var(--container);
	margin: 0 auto;
	padding: 0 2rem;
}

a {
	color: var(--accent);
	text-decoration: none;
	transition: color 0.15s;
}

a:hover {
	color: var(--accent-hover);
}

code {
	font-family: var(--font-mono);
	font-size: 0.875em;
	background: var(--code-bg);
	padding: 0.15em 0.4em;
	border-radius: 3px;
	color: var(--accent);
}

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

/* --- Header --- */
.site-header {
	padding: 3rem 0 2.5rem;
	border-bottom: 1px solid var(--border);
}

.header-content {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
	gap: 2rem;
	flex-wrap: wrap;
}

.header-badge {
	display: inline-block;
	font-family: var(--font-mono);
	font-size: 0.75rem;
	font-weight: 500;
	color: var(--accent);
	background: var(--accent-soft);
	padding: 0.2em 0.6em;
	border-radius: 3px;
	margin-bottom: 0.75rem;
	letter-spacing: 0.02em;
}

h1 {
	font-family: var(--font-display);
	font-size: 2.5rem;
	font-weight: 400;
	letter-spacing: -0.02em;
	line-height: 1.15;
	color: var(--text-heading);
	margin-bottom: 0.6rem;
}

.header-subtitle {
	color: var(--text-muted);
	font-size: 1.05rem;
	max-width: 40rem;
	line-height: 1.6;
}

.header-links {
	display: flex;
	gap: 0.75rem;
	flex-shrink: 0;
	padding-top: 0.5rem;
}

.nav-link {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-size: 0.875rem;
	font-weight: 500;
	color: var(--text-muted);
	padding: 0.45em 0.9em;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	transition: all 0.15s;
}

.nav-link:hover {
	color: var(--text);
	border-color: var(--text-dim);
	background: var(--bg-surface);
}

.feature-pills {
	display: flex;
	gap: 0.5rem;
	flex-wrap: wrap;
	margin-top: 1.5rem;
}

.pill {
	font-size: 0.75rem;
	font-weight: 500;
	color: var(--text-dim);
	padding: 0.3em 0.75em;
	border: 1px solid var(--border-subtle);
	border-radius: 100px;
	letter-spacing: 0.01em;
}

/* --- Sections --- */
.section {
	padding: 4rem 0;
}

.section--alt {
	background: var(--bg-surface);
	border-top: 1px solid var(--border);
	border-bottom: 1px solid var(--border);
}

.section-header {
	margin-bottom: 2.5rem;
}

.section-label {
	display: inline-block;
	font-family: var(--font-mono);
	font-size: 0.7rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--accent);
	margin-bottom: 0.5rem;
}

.section-header h2 {
	font-family: var(--font-display);
	font-size: 1.8rem;
	font-weight: 400;
	color: var(--text-heading);
	margin-bottom: 0.5rem;
}

.section-header p {
	color: var(--text-muted);
	max-width: 38rem;
}

/* --- Parser Panel (the main input/output) --- */
.parser-panel {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	overflow: hidden;
}

@media (max-width: 768px) {
	.parser-panel {
		grid-template-columns: 1fr;
	}
}

.panel-input {
	border-right: 1px solid var(--border);
	display: flex;
	flex-direction: column;
}

@media (max-width: 768px) {
	.panel-input {
		border-right: none;
		border-bottom: 1px solid var(--border);
	}
}

.panel-output {
	display: flex;
	flex-direction: column;
	background: var(--bg-input);
}

.panel-header {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	padding: 0.75rem 1rem;
	border-bottom: 1px solid var(--border);
	background: var(--bg-surface);
}

.panel-dot {
	width: 7px;
	height: 7px;
	border-radius: 50%;
	background: var(--text-dim);
	flex-shrink: 0;
}

.panel-dot--active {
	background: var(--success);
	box-shadow: 0 0 6px rgba(74, 222, 128, 0.4);
}

.panel-label {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	font-weight: 500;
	color: var(--text-muted);
	letter-spacing: 0.01em;
}

.parser-panel textarea {
	flex: 1;
	font-family: var(--font-mono);
	font-size: 0.82rem;
	line-height: 1.6;
	color: var(--text);
	background: transparent;
	border: none;
	padding: 1rem;
	resize: vertical;
	min-height: 18rem;
	tab-size: 2;
	outline: none;
}

.parser-panel textarea::placeholder {
	color: var(--text-dim);
}

.btn-parse {
	display: inline-flex;
	align-items: center;
	gap: 0.4rem;
	font-family: var(--font-body);
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--bg-deep);
	background: var(--accent);
	border: none;
	padding: 0.65em 1.4em;
	border-radius: var(--radius);
	cursor: pointer;
	transition: all 0.15s;
}

.btn-parse:hover {
	background: var(--accent-hover);
	transform: translateY(-1px);
	box-shadow: 0 2px 8px rgba(212, 164, 76, 0.25);
}

.btn-parse:active {
	transform: translateY(0);
}

.btn-clear {
	display: inline-flex;
	align-items: center;
	font-family: var(--font-body);
	font-size: 0.85rem;
	font-weight: 500;
	color: var(--text-muted);
	background: transparent;
	border: 1px solid var(--border);
	padding: 0.65em 1em;
	border-radius: var(--radius);
	cursor: pointer;
	transition: all 0.15s;
}

.btn-clear:hover {
	color: var(--text);
	border-color: var(--text-dim);
}

.panel-actions {
	display: flex;
	gap: 0.5rem;
	padding: 0 1rem 1rem;
	align-items: center;
}

/* --- Theme toggle --- */
.theme-toggle {
	background: none;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	color: var(--text-muted);
	padding: 0.4em 0.65em;
	cursor: pointer;
	font-size: 0.85rem;
	line-height: 1;
	transition: all 0.15s;
	display: inline-flex;
	align-items: center;
}

.theme-toggle:hover {
	color: var(--text);
	border-color: var(--text-dim);
	background: var(--bg-surface);
}

/* Show correct icon per theme */
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: inline; }
[data-theme="light"] .theme-toggle .icon-sun { display: inline; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

@media (prefers-color-scheme: light) {
	:root:not([data-theme="dark"]) .theme-toggle .icon-sun { display: inline; }
	:root:not([data-theme="dark"]) .theme-toggle .icon-moon { display: none; }
}

/* --- Parse status --- */
.parse-status {
	font-family: var(--font-mono);
	font-size: 0.7rem;
	color: var(--success);
	padding: 0 0.8em;
	margin-left: auto;
}

.output-area {
	padding: 1rem;
	flex: 1;
	overflow: auto;
}

.output-placeholder {
	color: var(--text-dim);
	font-size: 0.85rem;
	font-style: italic;
}

/* Output tables */
.output-area table,
.fixture-data table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.85rem;
}

.output-area th,
.fixture-data th {
	font-family: var(--font-mono);
	font-size: 0.7rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--text-dim);
	padding: 0.6em 0.8em;
	border-bottom: 1px solid var(--border);
	text-align: left;
}

.output-area td,
.fixture-data td {
	padding: 0.55em 0.8em;
	border-bottom: 1px solid var(--border-subtle);
	color: var(--text);
}

.output-area tr:last-child td,
.fixture-data tr:last-child td {
	border-bottom: none;
}

/* Timestamp columns */
.output-area th:nth-child(2),
.output-area th:nth-child(3),
.output-area td:nth-child(2),
.output-area td:nth-child(3),
.fixture-data th:nth-child(2),
.fixture-data th:nth-child(3),
.fixture-data td:nth-child(2),
.fixture-data td:nth-child(3) {
	font-family: var(--font-mono);
	text-align: right;
	white-space: nowrap;
	width: 7rem;
	color: var(--accent);
}

.output-area th:nth-child(2),
.output-area th:nth-child(3),
.fixture-data th:nth-child(2),
.fixture-data th:nth-child(3) {
	color: var(--text-dim);
}

/* --- Expandable parser sections --- */
.parser-detail {
	margin-top: 1rem;
	border: 1px solid var(--border);
	border-radius: var(--radius);
	background: var(--bg-card);
	overflow: hidden;
}

.parser-detail summary {
	display: flex;
	align-items: center;
	gap: 0.75rem;
	padding: 0.8rem 1.2rem;
	cursor: pointer;
	font-size: 0.9rem;
	color: var(--text);
	transition: background 0.15s;
	list-style: none;
}

.parser-detail summary::-webkit-details-marker {
	display: none;
}

.parser-detail summary::before {
	content: '\203A';
	font-size: 1.2rem;
	color: var(--text-dim);
	transition: transform 0.2s;
	width: 1em;
	text-align: center;
	flex-shrink: 0;
}

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

.parser-detail summary:hover {
	background: var(--bg-surface);
}

.parser-detail summary code {
	font-weight: 500;
}

.detail-hint {
	color: var(--text-dim);
	font-size: 0.8rem;
}

.detail-content {
	padding: 1rem 1.2rem 1.2rem;
	border-top: 1px solid var(--border);
}

.inline-parser {
	display: flex;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
}

.input-mono {
	font-family: var(--font-mono);
	font-size: 0.82rem;
	color: var(--text);
	background: var(--bg-input);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 0.6em 0.8em;
	tab-size: 2;
	outline: none;
	transition: border-color 0.15s;
	resize: vertical;
	width: 100%;
	line-height: 1.6;
}

.input-mono:focus {
	border-color: var(--accent);
}

.inline-parser .input-mono {
	flex: 1;
}

.btn-small {
	font-family: var(--font-body);
	font-size: 0.8rem;
	font-weight: 600;
	color: var(--text);
	background: var(--bg-surface);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 0.5em 1em;
	cursor: pointer;
	white-space: nowrap;
	transition: all 0.15s;
	flex-shrink: 0;
}

.btn-small:hover {
	background: var(--bg-card);
	border-color: var(--text-dim);
}

.detail-content .btn-small {
	margin-top: 0.5rem;
	margin-bottom: 0.75rem;
}

.detail-output-label {
	font-family: var(--font-mono);
	font-size: 0.7rem;
	font-weight: 500;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--text-dim);
	margin-bottom: 0.35rem;
}

.output-pre {
	font-family: var(--font-mono);
	font-size: 0.82rem;
	color: var(--text);
	background: var(--bg-input);
	border: 1px solid var(--border);
	border-radius: var(--radius);
	padding: 0.8em 1em;
	max-height: 14rem;
	overflow: auto;
	line-height: 1.55;
}

.output-pre code {
	background: none;
	padding: 0;
	color: inherit;
	font-size: inherit;
}

/* --- Fixture Cards --- */
.fixture-card {
	display: grid;
	grid-template-columns: 1fr 1.4fr;
	gap: 0;
	background: var(--bg-card);
	border: 1px solid var(--border);
	border-radius: var(--radius-lg);
	overflow: hidden;
	margin-bottom: 1.5rem;
}

@media (max-width: 768px) {
	.fixture-card {
		grid-template-columns: 1fr;
	}
}

.fixture-meta {
	padding: 1.5rem;
	border-right: 1px solid var(--border);
	display: flex;
	flex-direction: column;
	gap: 0.75rem;
}

@media (max-width: 768px) {
	.fixture-meta {
		border-right: none;
		border-bottom: 1px solid var(--border);
	}
}

.fixture-meta h3 {
	font-family: var(--font-display);
	font-size: 1.15rem;
	font-weight: 400;
	color: var(--text-heading);
	display: flex;
	align-items: baseline;
	gap: 0.6rem;
}

.fixture-number {
	font-family: var(--font-mono);
	font-size: 0.7rem;
	font-weight: 500;
	color: var(--accent);
	background: var(--accent-soft);
	padding: 0.2em 0.5em;
	border-radius: 3px;
	letter-spacing: 0.02em;
	position: relative;
	top: -1px;
}

.fixture-meta p {
	color: var(--text-muted);
	font-size: 0.9rem;
	line-height: 1.55;
}

.fixture-meta cite {
	font-style: italic;
	color: var(--text);
}

.fixture-meta small {
	color: var(--text-dim);
	font-size: 0.85em;
}

.edge-case {
	font-size: 0.8rem;
	color: var(--text-muted);
	border-left: 2px solid var(--accent);
	padding: 0.5em 0 0.5em 0.8em;
	margin-top: auto;
	line-height: 1.5;
}

.edge-case strong {
	display: block;
	font-family: var(--font-mono);
	font-size: 0.65rem;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--accent);
	margin-bottom: 0.2em;
}

.edge-case code {
	font-size: 0.9em;
}

.fixture-data {
	padding: 0;
	background: var(--bg-input);
}

.fixture-data table {
	margin: 0;
}

.fixture-data th {
	padding-top: 1rem;
}

.source-toggle {
	border-top: 1px solid var(--border);
}

.source-toggle summary {
	padding: 0.6rem 0.8rem;
	font-size: 0.75rem;
	font-family: var(--font-mono);
	color: var(--text-dim);
	cursor: pointer;
	list-style: none;
	transition: color 0.15s;
}

.source-toggle summary::-webkit-details-marker {
	display: none;
}

.source-toggle summary::before {
	content: '\203A  ';
	transition: transform 0.2s;
	display: inline-block;
}

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

.source-toggle summary:hover {
	color: var(--text-muted);
}

.source-toggle summary code {
	font-size: 0.9em;
}

.source-toggle pre {
	font-family: var(--font-mono);
	font-size: 0.75rem;
	color: var(--text-muted);
	padding: 0 0.8rem 0.8rem;
	max-height: 20rem;
	overflow: auto;
	line-height: 1.55;
	tab-size: 2;
}

.source-toggle pre code {
	background: none;
	padding: 0;
	color: inherit;
	font-size: inherit;
}

/* --- Error state --- */
.parse-error {
	color: var(--error);
	font-weight: 600;
	font-size: 0.85rem;
}

/* --- Footer --- */
.site-footer {
	padding: 2rem 0;
	border-top: 1px solid var(--border);
}

.site-footer .container {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.8rem;
	color: var(--text-dim);
	flex-wrap: wrap;
}

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

.site-footer a:hover {
	color: var(--accent);
}

.footer-sep {
	color: var(--border);
}

/* --- Entrance animation --- */
@media (prefers-reduced-motion: no-preference) {
	.site-header,
	.section-header,
	.parser-panel,
	.parser-detail,
	.fixture-card {
		animation: fadeUp 0.5s ease-out both;
	}

	.section-header { animation-delay: 0.05s; }
	.parser-panel { animation-delay: 0.1s; }
	.parser-detail:nth-of-type(1) { animation-delay: 0.15s; }
	.parser-detail:nth-of-type(2) { animation-delay: 0.2s; }
	.fixture-card:nth-of-type(1) { animation-delay: 0.1s; }
	.fixture-card:nth-of-type(2) { animation-delay: 0.15s; }
}

@keyframes fadeUp {
	from {
		opacity: 0;
		transform: translateY(12px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}