/*
Theme Name: Mực và Giấy
Description: Nền block theme website Bùi Thanh Pháp. Bản phát triển, chưa nghiệm thu ra mắt.
Version: 0.8.3
Requires at least: 6.6
Requires PHP: 7.4
Text Domain: buithanhphap-block
License: GPL-2.0-or-later
*/
body { margin: 0; }
*, *::before, *::after { box-sizing: border-box; }
.wp-site-blocks > main { padding-block: var(--wp--preset--spacing--large); min-height: 50vh; }
.btp-header { padding-block: 0; min-height: 68px; border-bottom: 1px solid var(--wp--preset--color--border); gap: 28px; }
.btp-header .wp-block-site-title { flex-shrink: 0; }
.btp-header > .wp-block-navigation { margin-left: auto; }
.btp-header.alignwide, .btp-footer.alignwide { margin-inline: auto; }
.btp-language-switch { display: flex; gap: 6px; align-items: center; flex-shrink: 0; font-size: 13px; font-weight: 600; padding-left: 12px; border-left: 1px solid var(--wp--preset--color--border); }
.btp-language-switch a { color: var(--wp--preset--color--fg-muted); text-decoration: none; }
.wp-site-blocks > main.btp-page { margin-top: 0; padding-top: 56px; --wp--style--global--content-size: 780px; } /* trang chữ rộng hơn cột bài (660px) để bớt khoảng trắng; độ dài dòng của trang bài giữ nguyên */
.btp-about-title { font-size: clamp(24px,3.9vw,50px); letter-spacing: -.035em; }
.btp-about-title span { white-space: nowrap; }
.btp-role { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; color: var(--wp--preset--color--fg-muted); font-size: 14.5px; }
.btp-role img { height: 44px; width: auto; vertical-align: middle; }
.btp-role-text { flex: 1 1 0; min-width: min(100%, 280px); text-wrap: balance; }
.btp-role-text a { white-space: nowrap; }
.btp-voices { border-top: 1px solid var(--wp--preset--color--brown); margin-block: 22px 10px; }
.btp-voice-panel { border-bottom: 1px solid var(--wp--preset--color--border); padding-block: 20px; }
.btp-prose .btp-voice-panel h3 { margin: 0 0 10px; font-size: 24px; line-height: 1.25; }
.btp-voices > .btp-voice-panel h3::before { content: ''; display: inline-block; width: 10px; height: 10px; margin-right: 10px; border-radius: 50%; vertical-align: .08em; background: var(--wp--preset--color--accent); }
.btp-voices > .btp-voice-panel:nth-child(2) h3::before { background: var(--wp--preset--color--brown); }
.btp-voices > .btp-voice-panel:nth-child(3) h3::before { background: var(--wp--preset--color--accent-warm); }
.btp-voice-panel p { margin: 0 0 10px; }
.btp-voice-panel .btp-voice-note { margin: 14px 0; padding-left: 14px; border-left: 2px solid var(--wp--preset--color--border); }
.btp-voice-panel .btp-voice-note p { font-size: .94em; color: var(--wp--preset--color--fg-muted); }
.btp-timeline { margin-block: 20px; border-top: 1px solid var(--wp--preset--color--border); }
.btp-timeline-step { display: grid; grid-template-columns: 130px minmax(0,1fr); gap: 6px 20px; padding-block: 16px; border-bottom: 1px solid var(--wp--preset--color--border); }
.btp-timeline-year { font-size: 13px; font-weight: 600; color: var(--wp--preset--color--fg-muted); }
.btp-timeline p { margin: 4px 0 0; }
.btp-timeline strong { color: var(--wp--preset--color--brown); }
.btp-fact { background: var(--wp--preset--color--surface); border: 1px solid var(--wp--preset--color--border); padding: 22px; border-radius: 3px; margin-block: 24px; }
.btp-fact > :first-child { margin-top: 0; }
.btp-fact > :last-child { margin-bottom: 0; }
/* Tab: .btp-tabs > .btp-tab-panel (tabs.js dựng thanh .btp-tablist; không có JS thì các mục xếp chồng). */
.btp-tablist { display: flex; flex-wrap: wrap; gap: 8px 10px; margin: 28px 0 18px; }
.btp-tab { appearance: none; border: 1px solid var(--wp--preset--color--accent); border-radius: 3px; background: var(--wp--preset--color--accent-soft); color: var(--wp--preset--color--brown); padding: 10px 20px; font: inherit; font-size: 17px; font-weight: 600; line-height: 1.3; cursor: pointer; }
.btp-tab:hover { background: var(--wp--preset--color--accent); color: var(--wp--preset--color--accent-fg); }
.btp-tab[aria-selected='true'] { background: var(--wp--preset--color--accent); color: var(--wp--preset--color--accent-fg); }
.btp-tab:focus-visible { outline: 2px solid var(--wp--preset--color--brown); outline-offset: 2px; }
/* Tiêu đề mục trong tab (Nghiên cứu 1, Nghiên cứu 2, Công bố & kết quả, câu hỏi của hướng mới): nổi bật bằng cỡ chữ và vạch màu. */
.btp-tabs > .btp-tab-panel > h3 { margin: 1.8em 0 .6em; padding: 2px 0 2px 14px; border-left: 4px solid var(--wp--preset--color--accent); font-size: 24px; line-height: 1.3; }
.btp-tabs > .btp-tab-panel > h3:first-child, .btp-tabs-ready > .btp-tab-panel > h2:first-child + h3 { margin-top: .6em; }
.btp-tabs-ready > .btp-tab-panel > h2:first-child { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.btp-tabs-ready > .btp-tab-panel { padding-top: 8px; }
.btp-anchor-nav { display: flex; flex-wrap: wrap; gap: 8px 20px; padding-block: 14px; border-block: 1px solid var(--wp--preset--color--border); margin-block: 24px; font-size: 14px; }
.btp-program-card { padding-block: 24px; border-bottom: 1px solid var(--wp--preset--color--border); }
.btp-program-card h3 { font-size: 22px; margin: 0 0 12px; }
.btp-program-card h3 a { color: var(--wp--preset--color--brown); text-decoration: none; }
.btp-form { max-width: 560px; margin-block: 24px; }
.btp-service-locked { border: 0; padding: 0; margin: 0; min-width: 0; }
.btp-contact-service { max-width: 660px; }
/* WPForms generates per-form variables with ID selectors, including disabled/hover colors. */
.btp-contact-service div.wpforms-container { --wpforms-button-background-color: var(--wp--preset--color--accent) !important; --wpforms-button-background-color-alt: var(--wp--preset--color--accent) !important; --wpforms-button-text-color: var(--wp--preset--color--accent-fg) !important; }
.btp-contact-service div.wpforms-container .wpforms-field-label { font-weight: 500; }
.btp-contact-service div.wpforms-container .wpforms-field input,
.btp-contact-service div.wpforms-container .wpforms-field textarea,
.btp-contact-service div.wpforms-container .wpforms-field select { max-width: 100%; font: inherit; background: var(--wp--preset--color--surface); color: var(--wp--preset--color--fg); }
.btp-contact-service div.wpforms-container .wpforms-form button[type=submit] { height: auto; padding: 12px 22px; border: 0; border-radius: 3px; background: var(--wp--preset--color--accent); color: var(--wp--preset--color--accent-fg); font: 600 14px/1.4 var(--wp--preset--font-family--sans); }
.btp-newsletter-embed { max-width: 660px; }
.btp-embed-frame { overflow: hidden; }
@media (max-width: 400px) { .btp-embed-frame { margin-inline: calc(50% - 50vw); } }
.btp-newsletter-embed iframe { display: block; width: 100%; border: 0; background: var(--wp--preset--color--bg); }
.btp-form fieldset { padding: 0; border: 0; margin: 0; }
.btp-field { display: grid; gap: 6px; margin: 0 0 16px; }
.btp-field label { font-size: 14px; font-weight: 600; }
.btp-field input, .btp-field textarea, .btp-field select { width: 100%; min-width: 0; padding: 11px 12px; font: 400 15px/1.5 var(--wp--preset--font-family--sans); color: var(--wp--preset--color--fg); background: var(--wp--preset--color--bg); border: 1px solid var(--wp--preset--color--border); border-radius: 3px; }
.btp-field textarea { min-height: 150px; resize: vertical; }
.btp-form button, .btp-share button { font: 600 14px/1.4 var(--wp--preset--font-family--sans); padding: 12px 22px; border: 1px solid var(--wp--preset--color--border); border-radius: 3px; }
.btp-form button:disabled { opacity: .65; }
.btp-form-status, .btp-review-note { padding: 12px 16px; border: 1px dashed var(--wp--preset--color--border); background: var(--wp--preset--color--surface); font-size: 14px; }
.btp-form-note { font-size: 13px; color: var(--wp--preset--color--fg-muted); }
.btp-breadcrumbs { font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; }
.btp-breadcrumbs a { text-decoration: none; }
.btp-breadcrumbs span { margin-inline: 6px; color: var(--wp--preset--color--fg-muted); }
.btp-expert { padding: 14px 18px; background: var(--wp--preset--color--accent-soft); border-radius: 3px; font-size: 14.5px; margin-block: 34px; }
.btp-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-block: 26px; font-size: 13.5px; }
.btp-tags a { padding: 3px 10px; border: 1px solid var(--wp--preset--color--border); border-radius: 3px; text-decoration: none; }
.btp-authorbox { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--wp--preset--color--brown); font-size: 14.5px; color: var(--wp--preset--color--fg-muted); }
.btp-authorbox p { margin-block: 0; }
.btp-series-steps { display: flex; justify-content: space-between; gap: 16px; }
.btp-related article { border-bottom: 1px solid var(--wp--preset--color--border); padding-block: 18px; }
.btp-related h3 { margin: 0 0 6px; font-size: 20px; }
.btp-related p { margin: 0; font-size: 14.5px; color: var(--wp--preset--color--fg-muted); }
.btp-share { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 14px; }
.btp-share button { background: transparent; color: var(--wp--preset--color--fg); cursor: pointer; }
@media(min-width:1100px) {
  .btp-prose { --btp-toc-width: clamp(160px,calc((100vw - var(--wp--style--global--content-size, 660px))/2 - 44px),220px); }
  /* Gỡ margin auto !important của constrained layout, để mục lục nằm ngoài cột đọc. */
  .btp-prose .btp-toc-sticky { position: sticky; top: 24px; float: left; width: var(--btp-toc-width); margin: 0 0 26px; margin-left: calc(-1 * (var(--btp-toc-width) + 24px)) !important; margin-right: 0 !important; padding: 16px; max-height: calc(100vh - 48px); overflow-y: auto; }
}
@media(max-width:781px) {
  .btp-timeline-step { grid-template-columns: minmax(0,1fr); }
  .wp-site-blocks > main.btp-page { padding-top: 36px; }
  .btp-about-title { font-size: clamp(20px,6.5vw,34px); }
  .btp-header-search { position: relative; }
  .btp-header .btp-header-search .wp-block-search__input { position: absolute; top: calc(100% + 12px); right: 0; width: min(260px,calc(100vw - 130px)); max-width: 260px; z-index: 30; background: var(--wp--preset--color--bg); }
}
.btp-header-search { flex: 0 0 auto; width: auto; }
.btp-search-desktop { display: none; }
.btp-search-desktop .wp-block-search__inside-wrapper { border: 1px solid var(--wp--preset--color--border); border-radius: 3px; background: var(--wp--preset--color--surface); padding: 0; }
.btp-search-desktop .wp-block-search__input { border: 0; background: transparent; padding: .45rem .7rem; font-size: 14px; width: 96px; }
.btp-search-desktop .wp-block-search__button { border: 0; }
@media (min-width: 1100px) { .btp-search-desktop { display: block; } .btp-search-mobile { display: none; } }
.btp-header-search .wp-block-search__button { background: transparent; color: var(--wp--preset--color--fg); padding: .5rem; margin: 0; }
.btp-header-search .wp-block-search__input { min-width: 0; max-width: 180px; }
.btp-footer.is-layout-constrained > * { max-width: none !important; margin-inline: 0 !important; } /* chân trang theo mockup: hàng đầy bề rộng, căn trái */
.btp-footer .wp-block-navigation { font-size: 14.5px; gap: .75rem 1.5rem; }
.btp-footer-role { color: var(--wp--preset--color--fg-muted); font-size: 14.5px; }
.btp-company-logo img { width: 130px; height: auto; }
.btp-footer .btp-company-logo { flex: 0 0 auto; margin: 0; }
.btp-footer .btp-company-logo img { width: auto; height: 44px; }
.btp-footer { margin-top: var(--wp--preset--spacing--large); padding-block: 2rem; border-top: 1px solid var(--wp--preset--color--border); }
.btp-hero { padding-block: 24px 0; }
.wp-site-blocks > main.btp-home { padding-block: 0; margin-top: 0; }
.btp-home .btp-hero { padding-top: 72px; }
.btp-home > .alignwide, .btp-header.alignwide, .btp-footer.alignwide { max-width: calc(var(--wp--style--global--wide-size) - 64px) !important; }
.btp-hero > .wp-block-columns { gap: 40px; }
.btp-hero .wp-block-heading { font-size: clamp(30px, 3.9vw, 50px); }
.btp-hero .wp-block-heading { margin: 0; letter-spacing: -.035em; }
.btp-hero .wp-block-heading span { white-space: nowrap; }
.btp-hero p { max-width: 46ch; font-size: 17px; color: var(--wp--preset--color--fg-muted); margin-top: 22px; }
.btp-hero .wp-block-buttons { margin-top: 30px; gap: 12px; font-size: 14px; }
.btp-hero .wp-block-button__link { padding: 12px 20px; }
.btp-portrait { aspect-ratio: 4/5; border: 1px solid var(--wp--preset--color--border); border-radius: 3px; overflow: hidden; margin: 0; }
.btp-portrait img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 70% 20%; }
.btp-home-section { margin-block: 80px 0; }
.btp-home-section h2 { margin: 0 0 26px; }
.btp-eyebrow { font-size: 12.5px; font-weight: 600; line-height: 1; letter-spacing: .12em; text-transform: uppercase; color: var(--wp--preset--color--accent); margin: 0 0 14px; }
.btp-home-entrypoints, .btp-home-featured { max-width: var(--wp--style--global--wide-size) !important; }
.btp-home-entrypoints .btp-home-section-body { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0; border-top: 1px solid var(--wp--preset--color--brown); }
.btp-home-card { padding: 30px; border-right: 1px solid var(--wp--preset--color--border); }
.btp-home-card:first-child { padding-left: 0; }
.btp-home-card:last-child { padding-right: 0; border: 0; }
.btp-home-card h3 { margin: 0 0 10px; }
.btp-home-card p { color: var(--wp--preset--color--fg-muted); font-size: 14.5px; margin: 0 0 14px; }
.btp-home-links a { display: block; font-size: 14.5px; font-weight: 600; text-decoration: none; margin-top: 6px; }
.btp-post-row { display: grid; grid-template-columns: 170px 1fr; gap: 28px; align-items: baseline; padding: 26px 0; border-bottom: 1px solid var(--wp--preset--color--border); }
.btp-post-row h3 { font-size: 20px; line-height: 1.3; margin: 0; }
.btp-post-row h3 a { color: var(--wp--preset--color--brown); text-decoration: none; }
.btp-post-row p { color: var(--wp--preset--color--fg-muted); font-size: 14px; margin: 6px 0 0; max-width: 56ch; }
.btp-cat { display: flex; flex-direction: column; gap: 2px; font-size: 12px; line-height: 1.5; text-transform: uppercase; letter-spacing: .08em; }
.btp-cat a { color: var(--wp--preset--color--fg-muted); text-decoration: none; }
.btp-cat a + a { color: var(--wp--preset--color--accent); text-transform: lowercase; }
.btp-home-newsletter { box-sizing: border-box; padding: 28px; background: var(--wp--preset--color--surface); border: 1px solid var(--wp--preset--color--border); border-radius: 3px; }
.btp-home-research { padding: 50px 0; border-block: 1px solid var(--wp--preset--color--border); }
.btp-home-latest .btp-post-list > li { display: grid; grid-template-columns: 170px 1fr auto; gap: 28px; align-items: baseline; }
.btp-home-latest .wp-block-post-terms { font-size: 12px; text-transform: uppercase; }
.btp-home-latest .wp-block-post-terms { display: flex; flex-direction: column; gap: 2px; font-weight: 600; line-height: 1.5; letter-spacing: .08em; color: var(--wp--preset--color--fg-muted); }
.btp-home-latest .wp-block-post-terms a { color: inherit; text-decoration: none; }
.btp-home-latest .wp-block-post-terms a + a { color: var(--wp--preset--color--accent); }
.btp-home-latest .wp-block-post-terms__separator { display: none; }
.btp-home-latest .wp-block-post-title a { color: var(--wp--preset--color--brown); text-decoration: none; }
.btp-home-latest time { color: var(--wp--preset--color--fg-muted); }
@media(max-width:781px) { .btp-home-latest .wp-block-post-terms { flex-direction: row; flex-wrap: wrap; gap: 4px 10px; } }
.btp-home-latest .wp-block-post-title { margin: 0; font-size: 20px; }
.btp-home-latest .btp-latest-main > * { margin: 0; }
.btp-home-latest .btp-latest-dek { margin: 6px 0 0; max-width: 56ch; font-size: 14px; color: var(--wp--preset--color--fg-muted); }
.btp-home-latest .btp-latest-dek p { margin: 0; }
.btp-home-latest time { font-size: 13px; white-space: nowrap; }
@media(max-width:781px) {
  .btp-home-entrypoints .btp-home-section-body { grid-template-columns: 1fr; border: 0; }
  .btp-home-card { border: 0; border-top: 1px solid var(--wp--preset--color--border) !important; padding: 26px 0; }
  .btp-post-row, .btp-home-latest .btp-post-list > li { grid-template-columns: 1fr; gap: 6px; }
  .btp-cat { flex-direction: row; gap: 10px; }
  .btp-portrait { aspect-ratio: 16/9; }
  .btp-portrait img { object-position: 70% 30%; }
  .btp-home .btp-hero { padding-top: 40px; }
  .btp-home-section { margin-top: 48px; }
}
.btp-post-list { padding: 0; list-style: none; }
.btp-post-list > li { padding-block: 1.5rem; border-bottom: 1px solid var(--wp--preset--color--border); }
.btp-post-list > li > :first-child { margin-top: 0; }
.btp-post-list .wp-block-post-title { margin-block: .5rem; }
.wp-block-post-title a, .wp-block-site-title a { text-decoration: none; }
a:hover { text-decoration: underline; }
.wp-block-post-title, .wp-block-site-title, p, a { overflow-wrap: anywhere; }
:where(a, button, input, textarea, select):focus-visible { outline: 3px solid currentColor; outline-offset: 4px; }
.is-style-btp-key-points { padding: 1.5rem; border: 1px solid var(--wp--preset--color--border); background: var(--wp--preset--color--surface); border-radius: 3px; }
.is-style-btp-key-points > :first-child { margin-top: 0; }
.is-style-btp-key-points > :last-child { margin-bottom: 0; }
.btp-article .wp-block-post-title { margin-bottom: 16px; }
.btp-reading-meta { color: var(--wp--preset--color--fg-muted); font-size: 13.5px; }
.btp-voice { margin: 0 0 14px; }
.btp-voice strong { color: var(--wp--preset--color--brown); }
.btp-voice strong::before { content: ''; display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--wp--preset--color--accent); }
.btp-voice[data-voice='dieu-hanh'] strong::before { background: var(--wp--preset--color--brown); }
.btp-voice[data-voice='chiem-nghiem'] strong::before { background: var(--wp--preset--color--accent-warm); }
.btp-reading-time { margin: 0 0 30px; }
.btp-prose h2 { margin: 2em 0 .6em; }
.btp-prose h3 { margin: 1.6em 0 .5em; }
.btp-prose blockquote { font: italic 500 22px/1.5 var(--wp--preset--font-family--serif); color: var(--wp--preset--color--brown); padding: 24px 0 24px 28px; margin: 34px 0; border-left: 2px solid var(--wp--preset--color--accent); }
.btp-toc, .btp-series { background: var(--wp--preset--color--surface); border: 1px solid var(--wp--preset--color--border); border-radius: 3px; padding: 20px 22px; margin: 26px 0; font-size: 14.5px; }
.btp-toc > p { margin: 0 0 8px; text-transform: uppercase; font-size: 12.5px; font-weight: 600; letter-spacing: .1em; color: var(--wp--preset--color--fg-muted); }
.btp-toc ol, .btp-series ol { margin: 0; padding-left: 1.2em; }
.btp-series h2, .btp-prose .is-style-btp-key-points h2 { margin: 0 0 12px; font-size: 22px; }
.btp-series a[aria-current] { font-weight: 700; }
.btp-related { margin-top: 40px; border-top: 1px solid var(--wp--preset--color--border); padding-top: 26px; }
.wp-site-blocks > main.btp-listing-page { margin-top: 0; padding-top: 56px; }
.btp-listing-page > .alignwide { max-width: calc(var(--wp--style--global--wide-size) - 64px) !important; }
.btp-listing-head > h1 { margin: 0 0 16px; }
.btp-listing-head .btp-hub-intro, .btp-archive-description, .btp-hub-description { max-width: 62ch; color: var(--wp--preset--color--fg-muted); }
.btp-hub-intro { font-size: 17px; }
.btp-archive-question { font: italic 500 18px/1.4 var(--wp--preset--font-family--serif); color: var(--wp--preset--color--brown); margin: 0 0 10px; }
.btp-hub-section { margin-top: 56px; }
.btp-hub-section h2 { margin: 0 0 6px; }
.btp-hub-section h2 a { color: inherit; text-decoration: none; }
.btp-hub-section .btp-hub-description { margin: 0; }
.btp-hub-description p { margin: 0; }
.btp-hub-description .btp-archive-question { margin-bottom: 6px; }
.btp-archive-description > p { margin: 0 0 10px; }
.btp-category-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-block: 22px 4px; }
.btp-category-filters a, .wp-block-query-pagination a, .wp-block-query-pagination .current { padding: 6px 14px; border: 1px solid var(--wp--preset--color--border); border-radius: 3px; font-size: 14px; text-decoration: none; }
.btp-category-filters [aria-current], .wp-block-query-pagination .current { background: var(--wp--preset--color--accent); color: var(--wp--preset--color--accent-fg); border-color: var(--wp--preset--color--accent); }
.btp-editorial-list { list-style: none; padding: 0; margin: 18px 0 0; border-top: 1px solid var(--wp--preset--color--border); }
.btp-editorial-list > li { margin: 0; }
.btp-editorial-list .btp-list-row { display: grid; grid-template-columns: 170px minmax(0,1fr) auto; gap: 28px; align-items: baseline; padding: 26px 0; border-bottom: 1px solid var(--wp--preset--color--border); }
.btp-list-row > *, .btp-list-row > .wp-block-group > * { margin-block: 0; }
.btp-list-row .wp-block-post-title { font-size: 20px; line-height: 1.3; }
.btp-list-row .wp-block-post-title a { color: var(--wp--preset--color--brown); }
.btp-list-row .wp-block-post-excerpt { font-size: 14px; max-width: 56ch; margin-top: 6px; }
.btp-list-row .wp-block-post-excerpt__excerpt { margin: 0; }
.btp-list-row .wp-block-post-excerpt__more-text { display: none; }
.btp-list-row .wp-block-post-date { font-size: 13px; white-space: nowrap; }
.btp-list-row .btp-cat { color: var(--wp--preset--color--fg-muted); flex-wrap: wrap; }
.btp-list-row .btp-cat a { color: var(--wp--preset--color--accent-text); text-transform: lowercase; }
.btp-hub-more { font-size: 16px; font-weight: 600; margin-top: 16px; }
.btp-hub-more a { text-decoration: none; }
.btp-listing-cta { margin-top: 40px; padding: 28px; background: var(--wp--preset--color--surface); border: 1px solid var(--wp--preset--color--border); border-radius: 3px; }
.btp-listing-cta h2 { font-size: 22px; margin: 0 0 14px; }
.btp-listing-cta p { margin: 0; }
@media(max-width:781px) {
  .wp-site-blocks > main.btp-listing-page { padding-top: 36px; }
  .btp-editorial-list .btp-list-row { grid-template-columns: minmax(0,1fr); gap: 6px; }
  .btp-hub-section { margin-top: 40px; }
}
img { max-width: 100%; height: auto; }
pre, .wp-block-table { overflow-x: auto; }
/* Đổi preset mặc định thay vì ép body, để cỡ chữ riêng trong Kiểu vẫn áp dụng. */
@media (max-width: 819px) { :root { --wp--preset--font-size--body: 17px; } }
@media (max-width: 781px) { .btp-hero .wp-block-heading { font-size: clamp(20px, 6.5vw, 34px); } }
@media (min-width: 782px) {
  .btp-header .wp-block-navigation__responsive-container:not(.is-menu-open) { display: block !important; }
  .btp-header .wp-block-navigation__responsive-container-open { display: none !important; }
  .btp-header .wp-block-navigation .has-child > .wp-block-navigation__submenu-container { min-width: 220px; padding: 8px 14px; background: var(--wp--preset--color--bg); color: var(--wp--preset--color--fg-muted); border: 1px solid var(--wp--preset--color--border); }
  .btp-header .wp-block-navigation .has-child > .wp-block-navigation__submenu-container .wp-block-navigation-item__content { padding: 7px 0; font-size: 14.5px; }
}
@media (min-width: 960px) and (max-width: 1199.98px) {
  .btp-header { gap: 12px; }
  .btp-header .wp-block-navigation__container { gap: 12px; }
}
@media (min-width: 782px) and (max-width: 959.98px) {
  .btp-header { flex-wrap: wrap !important; gap: 8px 12px; padding-block: 12px 8px; }
  .btp-header > .wp-block-navigation { order: 4; flex: 1 0 100%; justify-content: center; margin-left: 0; }
  .btp-header .wp-block-navigation__container { justify-content: center !important; gap: 12px; }
  .btp-header .btp-header-search { margin-left: auto; }
}
@media (max-width: 781.98px) {
  .btp-header .wp-block-navigation__responsive-container:not(.is-menu-open) { display: none !important; }
  .btp-header .wp-block-navigation__responsive-container-open:not(.always-shown) { display: flex !important; }
  .btp-header { gap: .5rem; }
  .btp-header-search .wp-block-search__input { max-width: 115px; }
  .btp-header { position: relative; }
  .btp-header > .wp-block-navigation { position: static; }
  .btp-header .wp-block-navigation__responsive-container.is-menu-open { position: absolute; inset: calc(100% + 1px) 0 auto; z-index: 100; padding: 16px 20px; max-height: calc(100dvh - 90px); overflow-y: auto; background: var(--wp--preset--color--bg) !important; color: var(--wp--preset--color--fg) !important; border: 1px solid var(--wp--preset--color--border); border-radius: 3px; }
  .btp-header .is-menu-open .wp-block-navigation__responsive-close { max-width: none; width: 100%; }
  .btp-header .is-menu-open .wp-block-navigation__responsive-dialog { position: relative; }
  .btp-header .is-menu-open .wp-block-navigation__responsive-container-close { top: 0; right: 0; padding: 4px; color: inherit; }
  .btp-header .is-menu-open .wp-block-navigation__responsive-container-content { padding: 34px 0 0 !important; align-items: stretch !important; gap: 0; }
  .btp-header .is-menu-open .wp-block-navigation__container { width: 100%; flex-direction: column; align-items: flex-start !important; justify-content: flex-start; gap: 0; }
  .btp-header .is-menu-open .wp-block-navigation-item { width: 100%; align-items: flex-start !important; }
  .btp-header .is-menu-open .wp-block-navigation-item__content { padding: 8px 0 !important; font: 500 14.5px/1.2 var(--wp--preset--font-family--sans); white-space: normal; }
  .btp-header .is-menu-open .wp-block-navigation-submenu { flex-direction: column; gap: 0; }
  .btp-header .is-menu-open .wp-block-navigation__submenu-container { position: static; width: 100%; min-width: 0; padding: 0 0 0 14px !important; margin: 0; border: 0; background: transparent !important; color: inherit; gap: 0; }
}
.btp-contact-details { font-size: 14.5px; overflow-wrap: anywhere; }
.btp-contact-details p { margin-block: 6px; }
/* Liên kết mạng xã hội dạng biểu tượng (khối Social Links); Zalo dùng mặt nạ SVG riêng vì lõi WordPress không có biểu tượng Zalo. */
.btp-social { margin: 0; padding: 0; gap: 2px 6px; }
.btp-social .wp-social-link { background: transparent; }
.wp-block-social-links.is-style-logos-only.btp-social .wp-social-link.wp-social-link { color: var(--wp--preset--color--fg-muted); } /* một màu cho cả bốn biểu tượng, thay màu thương hiệu mặc định của lõi */
.btp-social .wp-social-link a { box-sizing: border-box; min-width: 44px; min-height: 44px; padding: 10px; justify-content: center; align-items: center; border-radius: 3px; }
.wp-block-social-links.is-style-logos-only.btp-social .wp-social-link.wp-social-link:hover { color: var(--wp--preset--color--accent-text); }
.btp-social .wp-social-link a:focus-visible { outline: 2px solid var(--wp--preset--color--accent); outline-offset: 2px; }
.btp-social-zalo svg { display: none; }
.btp-social-zalo a::before { content: ""; display: block; width: 1em; height: 1em; background: currentColor; -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill-rule='evenodd' d='M12 2C6.5 2 2 5.9 2 10.7c0 2.6 1.3 4.9 3.4 6.5L4.7 21l4.2-2.2c1 .3 2 .4 3.1.4 5.5 0 10-3.9 10-8.5S17.5 2 12 2zM7.5 7.5H16.5V9.2L10.7 14.8H16.5V16.5H7.5V14.8L13.3 9.2H7.5z'/%3E%3C/svg%3E") center / contain no-repeat; mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill-rule='evenodd' d='M12 2C6.5 2 2 5.9 2 10.7c0 2.6 1.3 4.9 3.4 6.5L4.7 21l4.2-2.2c1 .3 2 .4 3.1.4 5.5 0 10-3.9 10-8.5S17.5 2 12 2zM7.5 7.5H16.5V9.2L10.7 14.8H16.5V16.5H7.5V14.8L13.3 9.2H7.5z'/%3E%3C/svg%3E") center / contain no-repeat; }
.btp-social-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}