/**
 * FILE: assets/css/frontend.css
 * PURPOSE: Design system for LinkLater.com — a premium dictionary +
 * genealogy reference platform. Deep navy type on warm off-white, a single
 * teal accent, rounded cards, soft shadows. Mobile-first, vanilla CSS,
 * no framework dependency.
 */

:root {
	--lkl-bg:            #FAF9F6;
	--lkl-surface:       #FFFFFF;
	--lkl-navy:          #14213D;
	--lkl-navy-soft:     #3A4A6B;
	--lkl-teal:          #0F7C7C;
	--lkl-teal-dark:     #0B5F5F;
	--lkl-border:        #E4E1D9;
	--lkl-shadow:        0 8px 24px rgba(20, 33, 61, 0.06);
	--lkl-radius:        14px;
	--lkl-radius-sm:     8px;
	--lkl-font-display:  'Fraunces', Georgia, 'Times New Roman', serif;
	--lkl-font-body:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
	--lkl-max-width:     780px;
}

* { box-sizing: border-box; }

body.lkl-site {
	background: var(--lkl-bg);
	color: var(--lkl-navy);
	font-family: var(--lkl-font-body);
	line-height: 1.65;
	margin: 0;
}

.screen-reader-text {
	position: absolute;
	width: 1px; height: 1px;
	overflow: hidden;
	clip: rect(0,0,0,0);
}

/* ---------- Header / nav ---------- */
.lkl-site-header {
	background: var(--lkl-surface);
	border-bottom: 1px solid var(--lkl-border);
	padding: 18px 24px;
}
.lkl-site-header .lkl-logo {
	font-family: var(--lkl-font-display);
	font-size: 1.5rem;
	font-weight: 600;
	color: var(--lkl-navy);
	text-decoration: none;
}
.lkl-nav { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 10px; }
.lkl-nav a {
	color: var(--lkl-navy-soft);
	text-decoration: none;
	font-size: 0.95rem;
}
.lkl-nav a:hover, .lkl-nav a:focus-visible { color: var(--lkl-teal); }

/* ---------- Hero ---------- */
.lkl-hero {
	max-width: var(--lkl-max-width);
	margin: 0 auto;
	padding: 64px 24px 32px;
	text-align: center;
}
.lkl-hero h1 {
	font-family: var(--lkl-font-display);
	font-size: clamp(2.1rem, 5vw, 3.2rem);
	margin: 0 0 12px;
	color: var(--lkl-navy);
}
.lkl-hero p.lkl-subtitle {
	font-size: 1.15rem;
	color: var(--lkl-navy-soft);
	max-width: 560px;
	margin: 0 auto 28px;
}
.lkl-cta-button {
	display: inline-block;
	background: var(--lkl-teal);
	color: #fff;
	padding: 14px 28px;
	border-radius: var(--lkl-radius-sm);
	text-decoration: none;
	font-weight: 600;
	transition: background 0.15s ease, transform 0.15s ease;
}
.lkl-cta-button:hover, .lkl-cta-button:focus-visible {
	background: var(--lkl-teal-dark);
	transform: translateY(-1px);
}

/* ---------- Search tool ---------- */
.lkl-search-tool {
	max-width: var(--lkl-max-width);
	margin: 0 auto 48px;
	background: var(--lkl-surface);
	border: 1px solid var(--lkl-border);
	border-radius: var(--lkl-radius);
	box-shadow: var(--lkl-shadow);
	padding: 32px 28px;
	text-align: center;
}
.lkl-search-heading {
	font-family: var(--lkl-font-display);
	font-size: 1.6rem;
	margin: 0 0 8px;
}
.lkl-search-sub { color: var(--lkl-navy-soft); margin: 0 0 22px; }
.lkl-search-form {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
	justify-content: center;
}
.lkl-search-input {
	flex: 1 1 320px;
	padding: 14px 16px;
	border: 1px solid var(--lkl-border);
	border-radius: var(--lkl-radius-sm);
	font-size: 1rem;
	font-family: inherit;
}
.lkl-search-input:focus-visible {
	outline: 2px solid var(--lkl-teal);
	outline-offset: 1px;
}
.lkl-search-button {
	background: var(--lkl-navy);
	color: #fff;
	border: none;
	padding: 14px 26px;
	border-radius: var(--lkl-radius-sm);
	font-weight: 600;
	cursor: pointer;
	font-size: 1rem;
}
.lkl-search-button:hover, .lkl-search-button:focus-visible { background: var(--lkl-teal-dark); }
.lkl-search-status { min-height: 1.2em; margin-top: 10px; font-size: 0.9rem; color: var(--lkl-navy-soft); }

.lkl-popular-searches { margin-top: 18px; font-size: 0.9rem; }
.lkl-popular-label { color: var(--lkl-navy-soft); margin-right: 8px; }
.lkl-popular-chip {
	background: var(--lkl-bg);
	border: 1px solid var(--lkl-border);
	border-radius: 999px;
	padding: 6px 14px;
	margin: 4px;
	font-size: 0.85rem;
	cursor: pointer;
	color: var(--lkl-navy-soft);
}
.lkl-popular-chip:hover, .lkl-popular-chip:focus-visible { border-color: var(--lkl-teal); color: var(--lkl-teal); }

/* ---------- Result panel ---------- */
.lkl-search-result { margin-top: 22px; text-align: left; }
.lkl-result {
	border: 1px solid var(--lkl-border);
	border-radius: var(--lkl-radius);
	padding: 22px;
	background: var(--lkl-bg);
}
.lkl-result-term { font-family: var(--lkl-font-display); margin: 0 0 4px; font-size: 1.4rem; }
.lkl-result-type {
	display: inline-block;
	background: var(--lkl-teal);
	color: #fff;
	font-size: 0.72rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	padding: 3px 9px;
	border-radius: 999px;
	margin-bottom: 12px;
}
.lkl-result p { margin: 8px 0; }
.lkl-result .lkl-cta-button { margin-top: 14px; }
.lkl-result--miss .lkl-result-miss-message { color: var(--lkl-navy-soft); }

/* ---------- Article ---------- */
.lkl-article { max-width: var(--lkl-max-width); margin: 0 auto; padding: 32px 24px 80px; }
.lkl-breadcrumbs { font-size: 0.85rem; color: var(--lkl-navy-soft); margin-bottom: 18px; }
.lkl-breadcrumbs a { color: var(--lkl-navy-soft); }
.lkl-article-header h1 {
	font-family: var(--lkl-font-display);
	font-size: clamp(1.8rem, 4vw, 2.6rem);
	line-height: 1.15;
	margin: 0 0 10px;
}
.lkl-article-dek { color: var(--lkl-navy-soft); font-size: 1.1rem; margin: 0 0 24px; }
.lkl-lede { font-size: 1.08rem; }

.lkl-answer-box {
	background: #EEF6F6;
	border-left: 4px solid var(--lkl-teal);
	border-radius: var(--lkl-radius-sm);
	padding: 18px 20px;
	margin: 24px 0;
}
.lkl-answer-box h2 { margin-top: 0; font-size: 1.1rem; font-family: var(--lkl-font-body); }
.lkl-answer-box--muted { background: var(--lkl-bg); border-left-color: var(--lkl-navy-soft); }

.lkl-table-wrap { overflow-x: auto; margin: 24px 0; }
table.lkl-quick-facts {
	width: 100%;
	border-collapse: collapse;
	background: var(--lkl-surface);
	border: 1px solid var(--lkl-border);
	border-radius: var(--lkl-radius);
	overflow: hidden;
}
table.lkl-quick-facts caption { text-align: left; font-weight: 600; padding: 10px 16px; background: var(--lkl-navy); color: #fff; }
table.lkl-quick-facts th, table.lkl-quick-facts td {
	text-align: left;
	padding: 10px 16px;
	border-bottom: 1px solid var(--lkl-border);
	font-size: 0.95rem;
}
table.lkl-quick-facts tr:last-child th, table.lkl-quick-facts tr:last-child td { border-bottom: none; }
table.lkl-quick-facts th { color: var(--lkl-navy-soft); font-weight: 600; width: 40%; }

/* ---------- Table of contents ---------- */
.lkl-toc {
	background: var(--lkl-surface);
	border: 1px solid var(--lkl-border);
	border-radius: var(--lkl-radius);
	margin: 24px 0 32px;
}
.lkl-toc-toggle {
	width: 100%;
	display: flex;
	justify-content: space-between;
	align-items: center;
	background: none;
	border: none;
	padding: 14px 18px;
	font-weight: 600;
	cursor: pointer;
	font-size: 1rem;
	color: var(--lkl-navy);
}
.lkl-toc-list { list-style: none; margin: 0; padding: 0 18px 16px; columns: 2; column-gap: 24px; }
.lkl-toc-list li { break-inside: avoid; margin-bottom: 6px; font-size: 0.92rem; }
.lkl-toc-list a { color: var(--lkl-teal-dark); text-decoration: none; }
.lkl-toc-list a:hover { text-decoration: underline; }
@media (max-width: 560px) { .lkl-toc-list { columns: 1; } }

.lkl-article-body h2 {
	font-family: var(--lkl-font-display);
	font-size: 1.5rem;
	margin: 40px 0 14px;
	scroll-margin-top: 20px;
}
.lkl-article-body h3 { font-size: 1.15rem; margin: 22px 0 8px; color: var(--lkl-navy); }
.lkl-article-body p { margin: 0 0 14px; }
.lkl-article-body ul, .lkl-article-body ol { padding-left: 22px; }

.lkl-figure { margin: 28px 0; }
.lkl-image-placeholder {
	background: linear-gradient(135deg, #E7EFEF, #F3F0E8);
	border: 1px dashed var(--lkl-border);
	border-radius: var(--lkl-radius);
	min-height: 220px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--lkl-navy-soft);
	font-size: 0.9rem;
	text-align: center;
	padding: 20px;
}
.lkl-figure figcaption { font-size: 0.85rem; color: var(--lkl-navy-soft); margin-top: 8px; }

.lkl-pronunciation-box { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.lkl-pronunciation-text { font-family: var(--lkl-font-display); font-size: 1.4rem; margin: 0; }
.lkl-audio-button {
	background: var(--lkl-navy);
	color: #fff;
	border: none;
	border-radius: 999px;
	padding: 8px 18px;
	cursor: pointer;
	font-size: 0.9rem;
}
.lkl-audio-button:hover, .lkl-audio-button:focus-visible { background: var(--lkl-teal-dark); }

.lkl-people-list li, .lkl-fact-list li { margin-bottom: 10px; }
.lkl-note { font-size: 0.9rem; color: var(--lkl-navy-soft); }
.lkl-sources { border-top: 1px solid var(--lkl-border); margin-top: 40px; padding-top: 20px; }
.lkl-disclaimer { font-size: 0.85rem; color: var(--lkl-navy-soft); }

/* ---------- FAQ ---------- */
.lkl-faq { margin: 40px 0; }
.lkl-faq h2 { font-family: var(--lkl-font-display); font-size: 1.5rem; }
.lkl-faq-item {
	border-bottom: 1px solid var(--lkl-border);
}
.lkl-faq-question {
	width: 100%;
	background: none;
	border: none;
	text-align: left;
	padding: 16px 4px;
	font-size: 1rem;
	font-weight: 600;
	color: var(--lkl-navy);
	display: flex;
	justify-content: space-between;
	align-items: center;
	cursor: pointer;
}
.lkl-faq-icon { color: var(--lkl-teal); font-size: 1.2rem; }
.lkl-faq-answer { padding: 0 4px 16px; color: var(--lkl-navy-soft); }

/* ---------- Search another word (footer of article) ---------- */
.lkl-search-another { margin-top: 56px; }
.lkl-search-another h2 { font-family: var(--lkl-font-display); font-size: 1.3rem; margin-bottom: 12px; }

/* ---------- Focus states ---------- */
a:focus-visible, button:focus-visible, input:focus-visible {
	outline: 2px solid var(--lkl-teal);
	outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
	* { transition: none !important; animation: none !important; }
}