/*!
Theme Name: Wriggly Baby
Theme URI: https://wrigglybaby.com
Author: Wriggly Baby
Author URI: https://wrigglybaby.com
Description: A gentle, classic (non-SPA) WordPress theme for a children's story site. Accessibility-first: WCAG 2.1 AA targets, an Okabe–Ito colour-blind-safe palette where colour is never the only signal, full keyboard support, and light / dark / high-contrast display modes with a reader-friendly text-size control.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: wrigglybaby
Tags: accessibility-ready, blog, custom-logo, dark-mode, translation-ready
*/

/* ==========================================================================
   Design tokens
   Light is the default. Dark applies via prefers-color-scheme AND an explicit
   [data-theme] set by the toolbar. High contrast is an override layer.
   ========================================================================== */
:root {
	--wgb-bg: #fbf7f0;
	--wgb-surface: #ffffff;
	--wgb-surface-2: #f3ece0;
	--wgb-text: #1b1b2a;
	--wgb-text-muted: #4a4657;
	--wgb-border: #e0d7c7;
	--wgb-link: #005a8c;
	--wgb-link-hover: #003f63;
	--wgb-accent: #0072b2;
	--wgb-focus: #9b1d6e;
	--wgb-on-accent: #ffffff;

	--wgb-radius: 14px;
	--wgb-radius-sm: 8px;
	--wgb-shadow: 0 2px 6px rgba(27, 27, 42, .08), 0 8px 24px rgba(27, 27, 42, .06);
	--wgb-maxw: 1120px;
	--wgb-readw: 42rem;
	--wgb-font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
	--wgb-font-head: "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
	--wgb-scale: 1;
}

/* Explicit dark theme (toolbar) */
:root[data-theme="dark"] {
	--wgb-bg: #14131c;
	--wgb-surface: #1e1d2b;
	--wgb-surface-2: #262538;
	--wgb-text: #f2eee6;
	--wgb-text-muted: #c3bdd0;
	--wgb-border: #37354d;
	--wgb-link: #7fd0ff;
	--wgb-link-hover: #a9e0ff;
	--wgb-accent: #56b4e9;
	--wgb-focus: #ffd54a;
	--wgb-on-accent: #08121c;
	--wgb-shadow: 0 2px 6px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
}

/* System dark, only when the user hasn't forced light */
@media (prefers-color-scheme: dark) {
	:root:not([data-theme="light"]) {
		--wgb-bg: #14131c;
		--wgb-surface: #1e1d2b;
		--wgb-surface-2: #262538;
		--wgb-text: #f2eee6;
		--wgb-text-muted: #c3bdd0;
		--wgb-border: #37354d;
		--wgb-link: #7fd0ff;
		--wgb-link-hover: #a9e0ff;
		--wgb-accent: #56b4e9;
		--wgb-focus: #ffd54a;
		--wgb-on-accent: #08121c;
		--wgb-shadow: 0 2px 6px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
	}
}

/* High-contrast overrides (light base): maximum legibility, AAA-level. */
:root[data-contrast="high"] {
	--wgb-bg: #ffffff;
	--wgb-surface: #ffffff;
	--wgb-surface-2: #ffffff;
	--wgb-text: #000000;
	--wgb-text-muted: #1a1a1a;
	--wgb-border: #000000;
	--wgb-link: #0000cc;
	--wgb-link-hover: #0000aa;
	--wgb-accent: #0000cc;
	--wgb-focus: #d5008f;
	--wgb-on-accent: #ffffff;
	--wgb-shadow: none;
}
:root[data-contrast="high"][data-theme="dark"],
:root[data-contrast="high"]:not([data-theme="light"]) {
	--wgb-bg: #000000;
	--wgb-surface: #000000;
	--wgb-surface-2: #000000;
	--wgb-text: #ffffff;
	--wgb-text-muted: #f0f0f0;
	--wgb-border: #ffffff;
	--wgb-link: #7fd0ff;
	--wgb-link-hover: #bfe8ff;
	--wgb-accent: #ffd54a;
	--wgb-focus: #ffd54a;
	--wgb-on-accent: #000000;
}
@media (prefers-color-scheme: dark) {
	:root[data-contrast="high"]:not([data-theme="light"]) {
		--wgb-bg: #000000;
		--wgb-surface: #000000;
		--wgb-text: #ffffff;
		--wgb-border: #ffffff;
	}
}
:root[data-contrast="high"] .wgb-badge,
:root[data-contrast="high"] .wgb-btn,
:root[data-contrast="high"] .wgb-card {
	border-width: 2px;
}

/* Text-size control (toolbar). Applied to the root font-size so rem scales. */
:root[data-text-size="sm"] { --wgb-scale: .9; }
:root[data-text-size="lg"] { --wgb-scale: 1.15; }
:root[data-text-size="xl"] { --wgb-scale: 1.3; }

/* ==========================================================================
   Base
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

html {
	font-size: calc(100% * var(--wgb-scale));
	-webkit-text-size-adjust: 100%;
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--wgb-bg);
	color: var(--wgb-text);
	font-family: var(--wgb-font);
	font-size: 1.0625rem;
	line-height: 1.65;
	-webkit-font-smoothing: antialiased;
	text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
	font-family: var(--wgb-font-head);
	line-height: 1.2;
	color: var(--wgb-text);
	margin: 0 0 .5em;
	text-wrap: balance;
}
h1 { font-size: clamp(1.9rem, 1.3rem + 2.4vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1rem; }

a { color: var(--wgb-link); text-underline-offset: .15em; }
a:hover { color: var(--wgb-link-hover); }

img { max-width: 100%; height: auto; display: block; }

/* Visible, high-contrast focus for every interactive element */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
	outline: 3px solid var(--wgb-focus);
	outline-offset: 2px;
	border-radius: 3px;
}
/* Fallback for browsers without :focus-visible */
.no-js :where(a, button, input, select, textarea):focus {
	outline: 3px solid var(--wgb-focus);
	outline-offset: 2px;
}

/* ==========================================================================
   Accessibility utilities
   ========================================================================== */
.wgb-visually-hidden,
.screen-reader-text {
	position: absolute !important;
	width: 1px; height: 1px;
	padding: 0; margin: -1px;
	overflow: hidden; clip: rect(0 0 0 0);
	white-space: nowrap; border: 0;
}

.wgb-skip-link {
	position: absolute;
	left: 8px; top: -100px;
	z-index: 1000;
	background: var(--wgb-surface);
	color: var(--wgb-link);
	padding: .7rem 1rem;
	border: 2px solid var(--wgb-focus);
	border-radius: var(--wgb-radius-sm);
	font-weight: 700;
	transition: top .15s ease;
}
.wgb-skip-link:focus { top: 8px; }

/* ==========================================================================
   Accessibility toolbar
   ========================================================================== */
.wgb-toolbar {
	background: var(--wgb-surface-2);
	border-bottom: 1px solid var(--wgb-border);
	font-size: .9rem;
}
.wgb-toolbar__inner {
	max-width: var(--wgb-maxw);
	margin: 0 auto;
	padding: .4rem 1rem;
	display: flex;
	flex-wrap: wrap;
	gap: .4rem 1.25rem;
	align-items: center;
	justify-content: flex-end;
}
.wgb-toolgroup {
	display: flex;
	align-items: center;
	gap: .3rem;
}
.wgb-toolgroup__label {
	color: var(--wgb-text-muted);
	font-weight: 600;
	margin-right: .1rem;
}
.wgb-btn {
	font: inherit;
	cursor: pointer;
	background: var(--wgb-surface);
	color: var(--wgb-text);
	border: 1px solid var(--wgb-border);
	border-radius: var(--wgb-radius-sm);
	padding: .35rem .6rem;
	line-height: 1;
	display: inline-flex;
	align-items: center;
	gap: .3rem;
	min-height: 40px; /* comfortable touch target */
}
.wgb-btn--icon { min-width: 40px; justify-content: center; }
.wgb-btn:hover { border-color: var(--wgb-accent); }
.wgb-btn[aria-pressed="true"] {
	background: var(--wgb-accent);
	color: var(--wgb-on-accent);
	border-color: var(--wgb-accent);
	font-weight: 700;
}
.wgb-btn[aria-pressed="true"]::after {
	content: "✓";
	font-size: .8em;
}

/* ==========================================================================
   Site header + navigation
   ========================================================================== */
.wgb-site-header {
	background: var(--wgb-surface);
	border-bottom: 1px solid var(--wgb-border);
}
.wgb-site-header__inner {
	max-width: var(--wgb-maxw);
	margin: 0 auto;
	padding: 1rem;
	display: grid;
	grid-template-columns: 1fr auto;
	grid-template-areas: "brand search" "nav nav";
	gap: .75rem 1rem;
	align-items: center;
}
.wgb-branding { grid-area: brand; display: flex; align-items: center; gap: .75rem; }
.wgb-branding img, .wgb-branding .custom-logo { border-radius: 50%; }
.wgb-site-title { margin: 0; font-size: clamp(1.4rem, 1rem + 1.6vw, 2rem); }
.wgb-site-title a { color: var(--wgb-text); text-decoration: none; }
.wgb-site-title a:hover .wgb-site-title__mark { transform: rotate(-8deg); }
.wgb-site-title__mark { display: inline-block; transition: transform .2s ease; }
.wgb-site-desc { margin: 0; color: var(--wgb-text-muted); font-size: .95rem; }

.wgb-header-search { grid-area: search; }

.wgb-nav { grid-area: nav; }
.wgb-nav__toggle {
	display: none;
	font: inherit;
	align-items: center;
	gap: .5rem;
	background: var(--wgb-surface);
	color: var(--wgb-text);
	border: 2px solid var(--wgb-border);
	border-radius: var(--wgb-radius-sm);
	padding: .5rem .8rem;
	min-height: 44px;
	cursor: pointer;
	font-weight: 700;
}
.wgb-nav__toggle-bars {
	width: 18px; height: 2px; background: currentColor;
	position: relative; display: inline-block;
}
.wgb-nav__toggle-bars::before,
.wgb-nav__toggle-bars::after {
	content: ""; position: absolute; left: 0; width: 18px; height: 2px; background: currentColor;
}
.wgb-nav__toggle-bars::before { top: -6px; }
.wgb-nav__toggle-bars::after { top: 6px; }

.wgb-menu, .wgb-submenu {
	list-style: none;
	margin: 0; padding: 0;
	display: flex;
	flex-wrap: wrap;
	gap: .25rem .5rem;
}
.wgb-menu > li { position: relative; }
.wgb-menu a, .wgb-menu .wgb-menu__toggle {
	display: inline-flex;
	align-items: center;
	gap: .4rem;
	padding: .55rem .7rem;
	border-radius: var(--wgb-radius-sm);
	color: var(--wgb-text);
	text-decoration: none;
	font-weight: 600;
	min-height: 44px;
	background: none;
	border: 1px solid transparent;
	font: inherit;
	cursor: pointer;
}
.wgb-menu a:hover,
.wgb-menu .wgb-menu__toggle:hover,
.wgb-menu .current-menu-item > a,
.wgb-menu .current-cat > a {
	background: var(--wgb-surface-2);
	border-color: var(--wgb-border);
}
/* current item also underlined so it's not colour-only */
.wgb-menu .current-menu-item > a,
.wgb-menu .current-cat > a { text-decoration: underline; text-decoration-thickness: 2px; }

.wgb-submenu {
	flex-direction: column;
	gap: .1rem;
	background: var(--wgb-surface);
	border: 1px solid var(--wgb-border);
	border-radius: var(--wgb-radius-sm);
	padding: .4rem;
	box-shadow: var(--wgb-shadow);
}
/* Desktop: submenu as dropdown, revealed on hover or when JS sets .is-open */
@media (min-width: 861px) {
	.wgb-menu__has-children .wgb-submenu {
		position: absolute;
		top: 100%; left: 0;
		min-width: 220px;
		z-index: 50;
		display: none;
	}
	.wgb-menu__has-children:hover .wgb-submenu,
	.wgb-menu__has-children:focus-within .wgb-submenu,
	.wgb-menu__has-children .wgb-submenu.is-open { display: flex; }
}
.wgb-menu__caret { font-size: .8em; }

/* ==========================================================================
   Search form
   ========================================================================== */
.search-form { display: flex; gap: .4rem; }
.search-form .search-field {
	font: inherit;
	padding: .55rem .7rem;
	border: 2px solid var(--wgb-border);
	border-radius: var(--wgb-radius-sm);
	background: var(--wgb-surface);
	color: var(--wgb-text);
	min-height: 44px;
	min-width: 0;
}
.search-form .search-submit {
	font: inherit;
	cursor: pointer;
	background: var(--wgb-accent);
	color: var(--wgb-on-accent);
	border: 2px solid var(--wgb-accent);
	border-radius: var(--wgb-radius-sm);
	padding: .55rem .9rem;
	font-weight: 700;
	min-height: 44px;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.wgb-main { display: block; }
.wgb-container {
	max-width: var(--wgb-maxw);
	margin: 0 auto;
	padding: 2rem 1rem 3rem;
}
.wgb-page-header { text-align: center; margin: 0 auto 1.75rem; max-width: var(--wgb-readw); }
.wgb-page-header p { color: var(--wgb-text-muted); }

/* Hero on the front page */
.wgb-hero {
	background: linear-gradient(160deg, var(--wgb-surface-2), var(--wgb-surface));
	border-bottom: 1px solid var(--wgb-border);
}
.wgb-hero__inner {
	max-width: var(--wgb-maxw);
	margin: 0 auto;
	padding: 3rem 1rem;
	text-align: center;
}
.wgb-hero p { color: var(--wgb-text-muted); max-width: var(--wgb-readw); margin-inline: auto; font-size: 1.15rem; }

/* Category "shelf" links on the home page */
.wgb-shelves {
	list-style: none; margin: 2rem 0 0; padding: 0;
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
	gap: 1rem;
}
.wgb-shelf {
	display: flex; align-items: center; gap: .8rem;
	padding: 1.1rem 1.2rem;
	background: var(--wgb-surface);
	border: 2px solid var(--wgb-border);
	border-left: 8px solid var(--shelf, var(--wgb-accent));
	border-radius: var(--wgb-radius);
	color: var(--wgb-text);
	text-decoration: none;
	box-shadow: var(--wgb-shadow);
}
.wgb-shelf:hover { border-color: var(--shelf, var(--wgb-accent)); transform: translateY(-2px); }
.wgb-shelf__icon { font-size: 1.8rem; line-height: 1; }
.wgb-shelf__name { font-weight: 700; font-family: var(--wgb-font-head); }
.wgb-shelf__count { color: var(--wgb-text-muted); font-size: .9rem; }

/* ==========================================================================
   Story grid + cards
   ========================================================================== */
.wgb-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
	gap: 1.5rem;
}
.wgb-card {
	display: flex;
	flex-direction: column;
	background: var(--wgb-surface);
	border: 1px solid var(--wgb-border);
	border-radius: var(--wgb-radius);
	overflow: hidden;
	box-shadow: var(--wgb-shadow);
	transition: transform .15s ease, border-color .15s ease;
}
.wgb-card:hover { transform: translateY(-3px); border-color: var(--wgb-accent); }
.wgb-card__media {
	display: block;
	aspect-ratio: 4 / 3;
	background: var(--wgb-surface-2);
	overflow: hidden;
}
.wgb-card__media img { width: 100%; height: 100%; object-fit: cover; }
.wgb-card__placeholder {
	display: flex; align-items: center; justify-content: center;
	width: 100%; height: 100%; font-size: 3rem;
}
.wgb-card__body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; gap: .5rem; }
.wgb-card__title { margin: 0; font-size: 1.25rem; }
.wgb-card__title a { color: var(--wgb-text); text-decoration: none; }
.wgb-card__title a:hover { color: var(--wgb-link-hover); text-decoration: underline; }
.wgb-card__excerpt { margin: 0; color: var(--wgb-text-muted); }
.wgb-card__meta { margin: 0; color: var(--wgb-text-muted); font-size: .9rem; }

/* Badges — colour is ALWAYS accompanied by an icon and a text label */
.wgb-badges { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.wgb-badge {
	display: inline-flex;
	align-items: center;
	gap: .35rem;
	padding: .25rem .6rem;
	font-size: .82rem;
	font-weight: 700;
	text-decoration: none;
	color: var(--wgb-text);
	background: color-mix(in srgb, var(--badge, var(--wgb-accent)) 16%, var(--wgb-surface));
	border: 1.5px solid var(--badge, var(--wgb-accent));
	border-radius: 999px;
}
.wgb-badge:hover { background: color-mix(in srgb, var(--badge, var(--wgb-accent)) 28%, var(--wgb-surface)); }
.wgb-badge__icon { font-size: 1em; }
.wgb-badge--age {
	background: var(--wgb-surface-2);
	border-color: var(--wgb-border);
	border-style: dashed; /* extra non-colour distinction from category badges */
}

/* ==========================================================================
   Single story + pages
   ========================================================================== */
.wgb-article { max-width: var(--wgb-readw); margin: 0 auto; }
.wgb-article__header { margin-bottom: 1.5rem; text-align: center; }
.wgb-article__header .wgb-badges { justify-content: center; margin-bottom: .75rem; }
.wgb-article__cover { margin: 1.5rem auto; border-radius: var(--wgb-radius); overflow: hidden; box-shadow: var(--wgb-shadow); }
.wgb-meta { color: var(--wgb-text-muted); font-size: .95rem; display: flex; gap: .5rem; justify-content: center; flex-wrap: wrap; }
.wgb-meta__sep { opacity: .6; }

.wgb-content { font-size: 1.15rem; }
.wgb-content > * { margin-inline: auto; }
.wgb-content p, .wgb-content ul, .wgb-content ol, .wgb-content h2, .wgb-content h3, .wgb-content blockquote, .wgb-content figure { max-width: var(--wgb-readw); }
.wgb-content .alignwide, .wgb-content .alignfull { max-width: none; }
.wgb-content blockquote {
	border-left: 6px solid var(--wgb-accent);
	background: var(--wgb-surface-2);
	margin: 1.5rem auto;
	padding: 1rem 1.25rem;
	border-radius: 0 var(--wgb-radius-sm) var(--wgb-radius-sm) 0;
}
.wgb-content a { text-decoration: underline; }

.wgb-post-footer {
	max-width: var(--wgb-readw);
	margin: 2rem auto 0;
	padding-top: 1.5rem;
	border-top: 1px solid var(--wgb-border);
	display: flex; flex-direction: column; gap: 1rem;
}

/* Prev/next story links */
.wgb-post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.wgb-post-nav a {
	display: block; padding: 1rem;
	background: var(--wgb-surface); border: 1px solid var(--wgb-border);
	border-radius: var(--wgb-radius); text-decoration: none; color: var(--wgb-text);
}
.wgb-post-nav a:hover { border-color: var(--wgb-accent); }
.wgb-post-nav .wgb-post-nav__label { display: block; color: var(--wgb-text-muted); font-size: .85rem; }
.wgb-post-nav .wgb-post-nav__next { text-align: right; }

/* ==========================================================================
   Pagination
   ========================================================================== */
.navigation.pagination { margin-top: 2.5rem; }
.pagination .nav-links { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: center; }
.pagination .page-numbers {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 44px; min-height: 44px; padding: 0 .6rem;
	border: 1px solid var(--wgb-border); border-radius: var(--wgb-radius-sm);
	background: var(--wgb-surface); color: var(--wgb-text); text-decoration: none; font-weight: 600;
}
.pagination .page-numbers.current {
	background: var(--wgb-accent); color: var(--wgb-on-accent);
	border-color: var(--wgb-accent);
	text-decoration: underline; /* not colour-only */
}
.pagination .page-numbers:hover:not(.current) { border-color: var(--wgb-accent); }

/* ==========================================================================
   Footer
   ========================================================================== */
.wgb-site-footer {
	background: var(--wgb-surface);
	border-top: 1px solid var(--wgb-border);
	margin-top: 3rem;
}
.wgb-site-footer__inner {
	max-width: var(--wgb-maxw); margin: 0 auto; padding: 2rem 1rem;
	text-align: center; display: flex; flex-direction: column; gap: .75rem; align-items: center;
}
.wgb-footer-menu { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem 1rem; margin: 0; padding: 0; justify-content: center; }
.wgb-footer-menu a { color: var(--wgb-link); }
.wgb-colophon { margin: 0; color: var(--wgb-text-muted); }
.wgb-a11y-note { margin: 0; color: var(--wgb-text-muted); font-size: .85rem; max-width: 44rem; }

/* ==========================================================================
   Responsive: mobile navigation
   ========================================================================== */
@media (max-width: 860px) {
	.wgb-site-header__inner {
		grid-template-columns: 1fr;
		grid-template-areas: "brand" "search" "nav";
	}
	.wgb-nav__toggle { display: inline-flex; }
	.wgb-nav .wgb-menu {
		display: none;
		flex-direction: column;
		gap: .15rem;
		margin-top: .5rem;
		border: 1px solid var(--wgb-border);
		border-radius: var(--wgb-radius);
		padding: .5rem;
		background: var(--wgb-surface);
	}
	.wgb-nav.is-open .wgb-menu { display: flex; }
	.wgb-menu > li { width: 100%; }
	.wgb-menu a, .wgb-menu .wgb-menu__toggle { width: 100%; }
	.wgb-submenu { position: static; box-shadow: none; margin: .1rem 0 .3rem 1rem; }
	.wgb-menu__has-children .wgb-submenu { display: none; }
	.wgb-menu__has-children .wgb-submenu.is-open { display: flex; }
	.wgb-post-nav { grid-template-columns: 1fr; }
}

/* ==========================================================================
   Motion preferences
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
	*, *::before, *::after {
		animation-duration: .001ms !important;
		animation-iteration-count: 1 !important;
		transition-duration: .001ms !important;
		scroll-behavior: auto !important;
	}
}

/* Print: clean, ink-friendly */
@media print {
	.wgb-toolbar, .wgb-nav, .wgb-header-search, .wgb-site-footer, .wgb-post-nav { display: none; }
	body { background: #fff; color: #000; }
	.wgb-card, .wgb-content { box-shadow: none; }
}