/*
Theme Name: Open Chair
Theme URI: https://androidwidgetcenter.com/
Author: Elva
Author URI: https://elva.ai/
Description: An editorial block theme for Open Chair, a publication on AI and practice technology for independent dental offices.
Version: 1.0.0
Requires at least: 6.6
Tested up to: 7.1
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: open-chair
*/

:root {
	--oc-paper: var(--wp--preset--color--paper, #FAF8F4);
	--oc-surface: var(--wp--preset--color--surface, #FFFFFF);
	--oc-sand: var(--wp--preset--color--sand, #F1ECE3);
	--oc-rule: var(--wp--preset--color--rule, #E3DED4);
	--oc-muted: var(--wp--preset--color--muted, #6A6F7A);
	--oc-ink-soft: var(--wp--preset--color--ink-soft, #363B45);
	--oc-ink: var(--wp--preset--color--ink, #15171C);
	--oc-teal: var(--wp--preset--color--teal, #0E5F5B);
	--oc-teal-dark: var(--wp--preset--color--teal-dark, #0A3F3D);
	--oc-teal-tint: var(--wp--preset--color--teal-tint, #E6F0EE);
	--oc-coral: var(--wp--preset--color--coral, #C8472A);
	--oc-serif: var(--wp--preset--font-family--serif);
	--oc-sans: var(--wp--preset--font-family--sans);
}

body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; }
::selection { background: var(--oc-teal-tint); color: var(--oc-ink); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--oc-teal); outline-offset: 2px; }

/* ---------- Shared labels ---------- */
.oc-kicker, .oc-kicker a, .oc-section-label {
	font-family: var(--oc-sans);
	font-size: 0.72rem !important;
	font-weight: 700;
	letter-spacing: 0.09em;
	text-transform: uppercase;
	text-decoration: none;
	line-height: 1.3;
}
.oc-kicker a { color: var(--oc-coral); }
.oc-kicker a:hover { color: var(--oc-ink); }
.oc-kicker .wp-block-post-terms__separator { color: var(--oc-rule); }
.oc-section-label { color: var(--oc-ink); margin: 0; }

/* ---------- Header ---------- */
.oc-header { background: var(--oc-paper); }
.oc-topbar { border-bottom: 1px solid var(--oc-rule); padding: 0.6rem 0; font-size: 0.75rem; color: var(--oc-muted); letter-spacing: 0.02em; }
.oc-topbar p, .oc-topbar .oc-today { margin: 0; }
.oc-masthead { padding: 1.9rem 0 1.4rem; }
.oc-logo { display: inline-flex; align-items: center; gap: 0.7rem; color: var(--oc-teal); text-decoration: none; }
.oc-logo:hover { color: var(--oc-teal-dark); }
.oc-logo__mark { flex: none; width: 2.6rem; height: 2.6rem; }
.oc-logo__word { font-family: var(--oc-serif); font-weight: 600; font-size: clamp(2.1rem, 4.4vw, 3.15rem); letter-spacing: -0.025em; line-height: 1; color: var(--oc-ink); }
.oc-navbar { border-top: 1px solid var(--oc-ink); border-bottom: 3px double var(--oc-ink); padding: 0.15rem 0; position: relative; gap: 0.5rem; }
.oc-nav .wp-block-navigation-item__content { font-family: var(--oc-sans); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--oc-ink); text-decoration: none; padding: 0.7rem 0; }
.oc-nav .wp-block-navigation-item__content:hover, .oc-nav .current-menu-item > .wp-block-navigation-item__content { color: var(--oc-teal); }
.oc-nav.wp-block-navigation { column-gap: 1.6rem; }
.oc-nav .wp-block-navigation__container { column-gap: 1.6rem; row-gap: 0; }
.oc-search .wp-block-search__button { background: transparent; color: var(--oc-ink); border: 0; padding: 0.4rem; }
.oc-search .wp-block-search__button:hover { color: var(--oc-teal); }
.oc-search.wp-block-search__searchfield-hidden .wp-block-search__input { border: 0; }
.oc-search .wp-block-search__input { border: 1px solid var(--oc-rule); border-radius: 4px; font-size: 0.9rem; background: var(--oc-surface); }
.wp-block-navigation__responsive-container.is-menu-open { background: var(--oc-paper) !important; padding: 2rem 1.5rem; }
.wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item__content { font-family: var(--oc-serif); font-size: 1.6rem; font-weight: 600; letter-spacing: -0.01em; text-transform: none; padding: 0.35rem 0; }

/* ---------- Home: lead story ---------- */
.oc-home { padding-top: 0; padding-bottom: var(--wp--preset--spacing--60); }
.oc-lead { padding: clamp(2rem, 5vw, 3.5rem) 0; border-bottom: 1px solid var(--oc-rule); }
.oc-lead .wp-block-post-template { margin: 0; }
.oc-lead__cols { gap: clamp(1.5rem, 4vw, 3.5rem); margin: 0; }
.oc-lead__title { font-size: clamp(2.2rem, 4.6vw, 3.6rem) !important; line-height: 1.06; letter-spacing: -0.022em; margin: 0.8rem 0 0; text-wrap: balance; }
.oc-lead__title a, .oc-card__title a, .oc-row__title a { color: var(--oc-ink); text-decoration: none; }
.oc-lead__title a:hover, .oc-card__title a:hover, .oc-row__title a:hover { color: var(--oc-teal); }
.oc-lead__dek { font-family: var(--oc-serif); font-size: clamp(1.15rem, 1.6vw, 1.32rem); line-height: 1.5; color: var(--oc-ink-soft); margin-top: 1rem; }
.oc-lead__dek p { margin: 0; }
.oc-byline { gap: 0.35rem 0.9rem; font-size: 0.8rem; color: var(--oc-muted); margin-top: 1.2rem; align-items: center; }
.oc-byline > * { margin: 0 !important; }
.oc-byline .wp-block-post-author-name { color: var(--oc-ink); font-weight: 600; }
.oc-byline > * + *::before { content: ""; display: inline-block; width: 3px; height: 3px; border-radius: 50%; background: var(--oc-muted); vertical-align: middle; margin-right: 0.9rem; }

.oc-art {
	position: relative;
	aspect-ratio: 4 / 3;
	border-radius: 6px;
	overflow: hidden;
	background-color: var(--oc-teal-dark);
	background-image:
		radial-gradient(circle at 78% 22%, rgba(232, 119, 90, 0.95) 0 2.2rem, transparent 2.25rem),
		radial-gradient(circle at 78% 22%, transparent 0 5.4rem, rgba(250, 248, 244, 0.16) 5.45rem 5.6rem, transparent 5.65rem),
		radial-gradient(circle at 78% 22%, transparent 0 9rem, rgba(250, 248, 244, 0.1) 9.05rem 9.2rem, transparent 9.25rem),
		linear-gradient(rgba(250, 248, 244, 0.06) 1px, transparent 1px),
		linear-gradient(90deg, rgba(250, 248, 244, 0.06) 1px, transparent 1px),
		linear-gradient(160deg, #0E5F5B 0%, #0A3F3D 70%);
	background-size: auto, auto, auto, 28px 28px, 28px 28px, auto;
}
.oc-art__label { position: absolute; left: 1.5rem; bottom: 1.25rem; right: 1.5rem; margin: 0; font-family: var(--oc-serif); font-style: italic; font-weight: 500; font-size: clamp(1.8rem, 3.2vw, 2.6rem); line-height: 1.05; color: var(--oc-paper); }
.oc-art__label a { color: inherit; text-decoration: none; }
.oc-art__label .wp-block-post-terms__separator { display: none; }
.oc-art__label a + .wp-block-post-terms__separator + a { display: none; }
.oc-art__img { position: absolute; inset: 0; margin: 0 !important; z-index: 1; }
.oc-art__img a, .oc-art__img img { display: block; width: 100%; height: 100% !important; object-fit: cover; }

/* ---------- Section heads ---------- */
.oc-section-head { border-top: 2px solid var(--oc-ink); padding-top: 0.75rem; margin-top: clamp(2.5rem, 5vw, 3.5rem) !important; margin-bottom: 1.6rem !important; }

/* ---------- Cards ---------- */
.oc-latest .wp-block-post-template { gap: 2.5rem 2.25rem; }
.oc-card { border-top: 1px solid var(--oc-rule); padding-top: 1.1rem; height: 100%; }
.oc-card > * { margin-block-start: 0.55rem; }
.oc-card > *:first-child { margin-block-start: 0; }
.oc-card__title { font-size: 1.42rem !important; line-height: 1.2; letter-spacing: -0.012em; margin: 0; }
.oc-card__excerpt { font-size: 0.95rem; line-height: 1.55; color: var(--oc-ink-soft); }
.oc-card__excerpt p { margin: 0; }
.oc-card__meta { font-size: 0.72rem; color: var(--oc-muted); letter-spacing: 0.06em; text-transform: uppercase; margin: 0; }

/* ---------- Newsletter band ---------- */
.oc-newsletter { background: var(--oc-teal-tint); border-radius: 8px; padding: clamp(1.75rem, 4vw, 2.75rem) clamp(1.5rem, 4vw, 3rem); margin-top: clamp(3rem, 6vw, 4.5rem) !important; gap: 1.5rem 3rem; border: 1px solid #D3E5E1; }
.oc-newsletter__copy { flex: 1 1 26rem; }
.oc-newsletter__copy > * { margin-block: 0; }
.oc-newsletter .oc-section-label { color: var(--oc-teal); }
.oc-newsletter__title { font-size: clamp(1.5rem, 2.6vw, 2rem) !important; line-height: 1.15; margin-top: 0.5rem !important; max-width: 30ch; }
.oc-newsletter__text { color: var(--oc-ink-soft); margin-top: 0.6rem !important; max-width: 52ch; }

/* ---------- Category chips ---------- */
.oc-chips { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.6rem; }
.oc-chips li { margin: 0; }
.oc-chips a { display: inline-block; padding: 0.5rem 1rem; border: 1px solid var(--oc-ink); border-radius: 999px; font-size: 0.875rem; font-weight: 600; color: var(--oc-ink); text-decoration: none; transition: background 0.15s ease, color 0.15s ease; }
.oc-chips a:hover { background: var(--oc-ink); color: var(--oc-paper); }

/* ---------- Article ---------- */
.oc-article { padding-bottom: var(--wp--preset--spacing--60); }
.oc-article__head { padding-top: clamp(2rem, 5vw, 3.5rem); text-align: left; }
.oc-article__head > * { margin-block: 0; }
.oc-article__title { font-size: clamp(2.2rem, 4.8vw, 3.4rem) !important; line-height: 1.07; letter-spacing: -0.022em; margin-top: 0.9rem !important; text-wrap: balance; }
.oc-dek { font-family: var(--oc-serif); font-size: clamp(1.18rem, 2vw, 1.4rem); line-height: 1.45; color: var(--oc-ink-soft); margin-top: 1rem !important; }
.oc-dek p { margin: 0; }
.oc-byline--article { border-top: 1px solid var(--oc-rule); border-bottom: 1px solid var(--oc-rule); padding: 0.85rem 0; margin-top: 1.6rem !important; }
.oc-byline__author { align-items: center; gap: 0.5rem; }
.oc-byline__author .wp-block-post-author__avatar img { border-radius: 50%; display: block; }
.oc-byline__author .wp-block-post-author__content { display: flex; gap: 0.3rem; align-items: baseline; }
.oc-byline__author .wp-block-post-author__byline { font-size: 0.8rem; margin: 0; color: var(--oc-muted); }
.oc-byline__author .wp-block-post-author__name { font-weight: 600; color: var(--oc-ink); margin: 0; }
.oc-byline .oc-readtime, .oc-byline p { margin: 0; }
.oc-article__img { margin-top: 2rem !important; }
.oc-article__img img { border-radius: 6px; }

/* ---------- Long-form prose ---------- */
.oc-prose { font-size: 1.125rem; line-height: 1.75; color: var(--oc-ink); margin-top: 2.25rem !important; }
.oc-prose > * + * { margin-block-start: 1.35rem; }
.oc-prose h2 { font-size: clamp(1.6rem, 2.6vw, 2rem); margin-block-start: 3rem; margin-block-end: 0; line-height: 1.2; }
.oc-prose h3 { font-size: 1.35rem; margin-block-start: 2.2rem; line-height: 1.25; }
.oc-prose h2 + *, .oc-prose h3 + * { margin-block-start: 0.8rem; }
.oc-prose a { text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
.oc-prose ul, .oc-prose ol { padding-left: 1.3rem; }
.oc-prose li { margin-block: 0.4rem; }
.oc-prose li::marker { color: var(--oc-teal); font-weight: 700; }
.oc-prose strong { font-weight: 650; }
.oc-prose code { font-size: 0.9em; background: var(--oc-sand); padding: 0.1em 0.35em; border-radius: 3px; }
.oc-prose hr, .oc-prose .wp-block-separator { border: 0; border-top: 1px solid var(--oc-rule); margin-block: 2.5rem; }
.oc-prose .wp-block-table { overflow-x: auto; margin-inline: 0; }
.oc-prose .wp-block-table table { width: 100%; border-collapse: collapse; font-size: 0.95rem; line-height: 1.5; background: var(--oc-surface); }
.oc-prose .wp-block-table th, .oc-prose .wp-block-table td { border: 0; border-bottom: 1px solid var(--oc-rule); padding: 0.7rem 0.85rem; text-align: left; vertical-align: top; }
.oc-prose .wp-block-table thead th { background: var(--oc-ink); color: var(--oc-paper); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase; font-weight: 700; border-bottom: 0; }
.oc-prose .wp-block-table thead { border-bottom: 0; }
.oc-prose .wp-block-table tbody tr:nth-child(even) td { background: #FCFBF8; }
.oc-prose .wp-block-table figcaption, .oc-prose figcaption { font-size: 0.8rem; color: var(--oc-muted); margin-top: 0.6rem; text-align: left; }

.is-style-oc-takeaways { background: var(--oc-surface); border: 1px solid var(--oc-rule); border-top: 4px solid var(--oc-teal); border-radius: 6px; padding: 1.4rem 1.6rem 1.2rem; }
.is-style-oc-takeaways > * { margin-block: 0; }
.is-style-oc-takeaways .oc-takeaways__title, .is-style-oc-takeaways h2:first-child { font-family: var(--oc-sans); font-size: 0.75rem !important; font-weight: 700; letter-spacing: 0.09em; text-transform: uppercase; color: var(--oc-teal); margin: 0 0 0.6rem !important; }
.is-style-oc-takeaways ul { margin: 0; font-size: 1.02rem; line-height: 1.6; }
.is-style-oc-callout { background: var(--oc-teal-tint); border-radius: 6px; padding: 1.3rem 1.5rem; }
.is-style-oc-callout > * { margin-block: 0; }
.is-style-oc-callout > * + * { margin-block-start: 0.6rem; }
.is-style-oc-callout h3, .is-style-oc-callout h4 { font-size: 1.15rem; margin: 0; }
.is-style-oc-note { font-size: 0.85rem; line-height: 1.55; color: var(--oc-muted); }
.oc-formula { font-family: var(--oc-serif); font-size: 1.2rem; background: var(--oc-sand); border-radius: 6px; padding: 1rem 1.25rem; text-align: center; }
.oc-disclosure { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--oc-rule); font-size: 0.85rem; line-height: 1.55; color: var(--oc-muted); }

.oc-article__foot { margin-top: 2.5rem !important; }
.oc-article__foot > * + * { margin-block-start: 1.75rem; }
.oc-tags a { display: inline-block; font-size: 0.78rem; font-weight: 600; color: var(--oc-ink-soft); background: var(--oc-sand); border-radius: 999px; padding: 0.3rem 0.8rem; text-decoration: none; margin: 0 0.25rem 0.35rem 0; }
.oc-tags a:hover { background: var(--oc-ink); color: var(--oc-paper); }
.oc-tags .wp-block-post-terms__separator { display: none; }
.oc-authorbox { border: 1px solid var(--oc-rule); background: var(--oc-surface); border-radius: 8px; padding: 1.3rem 1.4rem; gap: 1rem; align-items: flex-start; }
.oc-authorbox .wp-block-post-author__avatar img { border-radius: 50%; }
.oc-authorbox .wp-block-post-author__byline { font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--oc-muted); margin: 0; }
.oc-authorbox .wp-block-post-author__name { font-family: var(--oc-serif); font-weight: 600; font-size: 1.2rem; margin: 0.1rem 0 0.3rem; }
.oc-authorbox .wp-block-post-author__bio { font-size: 0.92rem; line-height: 1.55; color: var(--oc-ink-soft); margin: 0; }

.oc-related-wrap { margin-top: clamp(3rem, 6vw, 4.5rem) !important; }
.oc-related > .oc-section-label { border-top: 2px solid var(--oc-ink); padding-top: 0.75rem; margin-bottom: 1.5rem; }
.oc-related__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr)); gap: 2rem 2.25rem; }
.oc-related .oc-card > * { margin: 0 0 0.5rem; }

/* ---------- Archive / list ---------- */
.oc-archive { padding-top: clamp(2rem, 5vw, 3.5rem); padding-bottom: var(--wp--preset--spacing--60); }
.oc-archive__head { border-bottom: 3px double var(--oc-ink); padding-bottom: 1.4rem; margin-bottom: 0.5rem; }
.oc-archive__head > * { margin-block: 0; }
.oc-archive__head .oc-section-label { color: var(--oc-coral); }
.oc-archive__title { font-size: clamp(2.2rem, 5vw, 3.4rem) !important; letter-spacing: -0.022em; margin-top: 0.4rem !important; }
.oc-archive__desc { font-family: var(--oc-serif); font-size: 1.2rem; color: var(--oc-ink-soft); margin-top: 0.6rem !important; }
.oc-archive__desc p { margin: 0; }
.oc-list .wp-block-post-template { margin: 0; }
.oc-row { border-bottom: 1px solid var(--oc-rule); padding: 1.6rem 0; }
.oc-row > * { margin-block: 0; }
.oc-row > * + * { margin-block-start: 0.5rem; }
.oc-row__title { font-size: clamp(1.4rem, 2.4vw, 1.75rem) !important; line-height: 1.2; }
.oc-row__excerpt { color: var(--oc-ink-soft); font-size: 1rem; }
.oc-row__excerpt p { margin: 0; }
.oc-pagination { margin-top: 2rem; font-size: 0.9rem; font-weight: 600; }
.oc-pagination a { color: var(--oc-ink); }
.oc-search-page { margin-top: 1rem !important; }
.oc-search-page .wp-block-search__input { border: 1px solid var(--oc-ink); border-radius: 4px; padding: 0.7rem 0.9rem; background: var(--oc-surface); }
.oc-empty { color: var(--oc-muted); font-family: var(--oc-serif); font-size: 1.25rem; }

/* ---------- Pages ---------- */
.oc-page { padding-top: clamp(2rem, 5vw, 3.5rem); padding-bottom: var(--wp--preset--spacing--60); }
.oc-page__title { font-size: clamp(2.2rem, 5vw, 3.2rem) !important; letter-spacing: -0.022em; }
.oc-404 .oc-section-label { color: var(--oc-coral); }

/* ---------- Footer ---------- */
.oc-footer { background: var(--oc-ink); color: #C9CCD2; padding-top: clamp(3rem, 6vw, 4.5rem); padding-bottom: 2rem; margin-top: 0; font-size: 0.92rem; }
.oc-footer a { color: #F3F1EC; text-decoration: none; }
.oc-footer a:hover { color: #FFFFFF; text-decoration: underline; }
.oc-logo--light { color: #9FD3CB; }
.oc-logo--light .oc-logo__word { color: #FAF8F4; font-size: 1.9rem; }
.oc-logo--light .oc-logo__mark { width: 2rem; height: 2rem; }
.oc-footer__cols { gap: 2.5rem; }
.oc-footer__about { margin-top: 1rem; max-width: 34ch; line-height: 1.6; }
.oc-footer__head { font-family: var(--oc-sans) !important; font-size: 0.72rem !important; font-weight: 700 !important; letter-spacing: 0.1em; text-transform: uppercase; color: #8D929C !important; margin: 0 0 0.9rem; }
.oc-footer__list { list-style: none; padding: 0; margin: 0; }
.oc-footer__list li { margin: 0 0 0.5rem; }
.oc-footer__bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); margin-top: 3rem !important; padding-top: 1.25rem; font-size: 0.8rem; color: #8D929C; gap: 0.5rem 2rem; }
.oc-footer__bottom p { margin: 0; }
.oc-footer__bottom a { color: #C9CCD2; text-decoration: underline; text-underline-offset: 0.15em; }
.wp-site-blocks > footer { margin-block-start: 0; }
.wp-site-blocks > main { margin-block-start: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 781px) {
	.oc-topbar__tag { display: none; }
	.oc-topbar { justify-content: center !important; }
	.oc-masthead { padding: 1.3rem 0 1rem; }
	.oc-logo__mark { width: 2.1rem; height: 2.1rem; }
	.oc-navbar { justify-content: space-between !important; padding: 0.25rem 0; }
	.oc-lead__cols { flex-direction: column-reverse; }
	.oc-lead__cols > .wp-block-column { flex-basis: 100% !important; width: 100%; }
	.oc-art { aspect-ratio: 16 / 9; }
	.oc-prose { font-size: 1.0625rem; }
	.oc-footer__cols { gap: 2rem; }
}