/*
Theme Name: AsiaTripCost
Theme URI: https://asiatripcost.com
Author: Asia Trip Cost
Description: Theme block cho asiatripcost.com theo bản thiết kế Claude Design (10/2026): Bricolage Grotesque + Instrument Sans, chữ #13202B, nhấn đỏ #C2381F, thẻ bo 16px. Header, footer, màu, chữ sửa trong Giao diện → Trình chỉnh sửa; mẫu khối nằm trong nhóm "Asia Trip Cost". Dữ liệu và calculator nằm ở plugin AsiaTripCost Core.
Version: 0.5.5
Requires at least: 6.6
Requires PHP: 8.1
License: GPL-2.0-or-later
Text Domain: asiatripcost
*/

/* ==========================================================================
   Nền tảng
   ========================================================================== */
:root {
  --atc-ink: var(--wp--preset--color--ink);
  --atc-body: var(--wp--preset--color--body);
  --atc-muted: var(--wp--preset--color--muted);
  --atc-line: var(--wp--preset--color--line);
  --atc-line-soft: var(--wp--preset--color--line-soft);
  --atc-soft: var(--wp--preset--color--soft);
  --atc-accent: var(--wp--preset--color--accent);
  --atc-wide: 1132px;
}
body { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
input, select, button, textarea { font-family: inherit; }
img { max-width: 100%; height: auto; }
.wp-site-blocks { overflow-x: clip; }
.atc-num, .atc-tabular { font-variant-numeric: tabular-nums; }
:where(h1, h2, h3) { text-wrap: balance; }
p { text-wrap: pretty; }

/* Biểu tượng Material Symbols: <span class="atc-ms">flight</span> */
.atc-ms {
  font-family: 'Material Symbols Rounded'; font-weight: normal; font-style: normal; line-height: 1; letter-spacing: normal;
  text-transform: none; white-space: nowrap; direction: ltr; font-feature-settings: 'liga'; -webkit-font-feature-settings: 'liga';
  font-size: 1.25em; display: inline-block; vertical-align: -0.2em; user-select: none;
}

/* Cờ quốc gia */
.atc-flag { display: inline-block; width: 26px; height: 18px; border-radius: 3px; object-fit: cover; box-shadow: 0 0 0 1px rgba(19, 32, 43, .14); vertical-align: -3px; flex: 0 0 auto; }
.atc-flag--sm { width: 20px; height: 14px; vertical-align: -2px; }

/* ==========================================================================
   Header
   ========================================================================== */
header.wp-block-template-part { position: sticky; top: 0; z-index: 60; }
body.admin-bar header.wp-block-template-part { top: 32px; }
@media (max-width: 782px) { body.admin-bar header.wp-block-template-part { top: 46px; } }
@media (max-width: 600px) { body.admin-bar header.wp-block-template-part { top: 0; } }

.atc-header { background: #fff; border-bottom: 1px solid var(--atc-line); }
.atc-header__inner { min-height: 72px; gap: 12px 24px !important; }
.atc-logo { margin: 0; white-space: nowrap; }
.atc-logo a { color: var(--atc-ink) !important; text-decoration: none; }
.atc-logo a::after { content: "."; color: var(--atc-accent); }
.atc-footer .atc-logo a { color: #fff !important; font-size: 1.75rem; }

.atc-nav .wp-block-navigation__container { gap: 4px 24px; }
.atc-nav .wp-block-navigation-item__content { padding: 10px 0 8px !important; border-bottom: 2px solid transparent; }
.atc-nav .current-menu-item > .wp-block-navigation-item__content,
.atc-nav .wp-block-navigation-item__content[aria-current="page"] { border-bottom-color: var(--atc-accent); }
.atc-nav .wp-block-navigation__submenu-container {
  border: 1px solid var(--atc-line) !important; border-radius: 12px; padding: 6px !important; background: #fff !important;
  box-shadow: var(--wp--preset--shadow--pop); min-width: 200px !important;
}
.atc-nav .wp-block-navigation__submenu-container .wp-block-navigation-item__content { padding: 9px 12px !important; border-radius: 8px; border-bottom: 0; }
.atc-nav .wp-block-navigation__submenu-container .wp-block-navigation-item__content:hover { background: var(--atc-soft); }
.atc-nav .wp-block-navigation__responsive-container.is-menu-open { padding: 24px; }
.atc-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__container { gap: 6px; font-size: 1.125rem; }
.atc-nav .wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__submenu-container { border: 0 !important; box-shadow: none; padding: 0 0 0 1rem !important; }

/* ==========================================================================
   Khung trang
   ========================================================================== */
.atc-main { padding-top: 28px; padding-bottom: var(--wp--preset--spacing--70); }
.atc-main--landing { padding-top: 0; padding-bottom: 0; }
.atc-main > .wp-block-post-content > :first-child { margin-top: 0; }

/* Breadcrumb: Home / Countries / China */
.atc-crumbs { font-size: .875rem; color: var(--atc-muted); line-height: 1.5; margin-bottom: 1.25rem; }
.atc-crumbs p { margin: 0; }
.atc-crumbs a { color: var(--atc-muted); }
.atc-crumbs a:hover { color: var(--atc-accent); }
.atc-crumbs .separator { color: var(--atc-muted); }
.atc-crumbs .last { color: var(--atc-muted); }
.atc-blog > .atc-crumbs, .atc-main--wide > .atc-crumbs { max-width: var(--wp--style--global--wide-size) !important; }

/* Chữ */
.atc-eyebrow { margin-top: 0 !important; margin-bottom: 0 !important; font-size: .8125rem !important; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--atc-accent); line-height: 1.4; font-variant-numeric: tabular-nums; }
.atc-eyebrow--muted { color: var(--atc-muted); }
.atc-eyebrow--light { color: var(--wp--preset--color--accent-light); font-weight: 600; }
.atc-label { margin-top: 0 !important; margin-bottom: 0 !important; font-size: .75rem !important; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--atc-muted); }
.atc-lead { font-size: var(--wp--preset--font-size--lead); line-height: 1.5; color: var(--atc-body); max-width: 640px; }
.atc-muted { color: var(--atc-muted); }
.atc-updated { font-size: .875rem; color: var(--atc-muted); }
.atc-display { font-size: var(--wp--preset--font-size--display) !important; line-height: 1 !important; letter-spacing: -.035em !important; }

/* Nút */
.wp-block-button__link { min-height: 48px; display: inline-flex; align-items: center; justify-content: center; gap: 6px; text-decoration: none; }
.wp-block-button.is-style-outline > .wp-block-button__link { background: transparent; color: var(--atc-ink); border: 1px solid var(--atc-ink); padding: calc(.95em - 1px) calc(1.5em - 1px); }
.wp-block-button.is-style-outline > .wp-block-button__link:hover { background: var(--atc-ink); color: #fff; }
.wp-block-button.is-style-dark > .wp-block-button__link { background: var(--atc-ink); color: #fff; }
.wp-block-button.is-style-dark > .wp-block-button__link:hover { background: #000; }
.atc-band-dark .wp-block-button.is-style-outline > .wp-block-button__link { color: #fff; border-color: #4A5966; }
.atc-band-dark .wp-block-button.is-style-outline > .wp-block-button__link:hover { background: #fff; color: var(--atc-ink); }
.atc-arrow::after { content: "arrow_forward"; font-family: 'Material Symbols Rounded'; font-feature-settings: 'liga'; font-size: 18px; line-height: 1; margin-left: 2px; }

/* ==========================================================================
   Mục (section)
   ========================================================================== */
.atc-section { padding-top: var(--wp--preset--spacing--70); padding-bottom: var(--wp--preset--spacing--70); }
.atc-section--tight { padding-top: var(--wp--preset--spacing--40); }
.atc-section--soft { background: var(--atc-soft); }
.atc-band-dark { background: var(--atc-ink); color: #fff; }
.atc-band-dark :where(h1, h2, h3) { color: #fff; }
.atc-band-dark p { color: #E3E8EC; }
.atc-band-dark a { color: #fff; }
.atc-section > .alignwide > :first-child, .atc-section > :first-child { margin-top: 0; }
.atc-section-head { margin-bottom: 28px !important; gap: 8px !important; }
.atc-section-head h2 { margin: 0 !important; font-size: clamp(1.75rem, 3.2vw, 2.375rem); }
.atc-section-head p { margin: 0 !important; color: var(--atc-body); font-size: 1.0625rem; max-width: 680px; }
.atc-section-head--row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 16px !important; }
.atc-section-head--row > a, .atc-section-head--row .atc-more-link { font-weight: 600; }

/* Thẻ */
.atc-card { background: #fff; border: 1px solid var(--atc-line); border-radius: 16px; padding: 24px; }
.atc-card > :first-child { margin-top: 0; }
.atc-card > :last-child { margin-bottom: 0; }
.atc-grid-4 { display: grid !important; grid-template-columns: repeat(auto-fill, minmax(max(240px, calc((100% - 60px) / 4)), 1fr)); gap: 20px !important; }
.atc-grid-3 { display: grid !important; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px !important; }
.atc-grid-4 > *, .atc-grid-3 > * { margin: 0 !important; }

/* Ô biểu tượng màu */
.atc-icon { width: 48px; height: 48px; border-radius: 14px; display: inline-flex !important; align-items: center; justify-content: center; font-size: 26px !important; flex: 0 0 auto; margin: 0 !important; background: var(--atc-soft); color: var(--atc-ink); }
.atc-icon--sm { width: 40px; height: 40px; border-radius: 12px; font-size: 22px !important; }
.atc-icon--warn { background: var(--wp--preset--color--warn-soft); color: var(--wp--preset--color--warn); }
.atc-icon--accent { background: var(--wp--preset--color--accent-soft); color: var(--atc-accent); }
.atc-icon--ok { background: var(--wp--preset--color--ok-soft); color: var(--wp--preset--color--ok); }
.atc-icon--info { background: var(--wp--preset--color--info-soft); color: var(--wp--preset--color--info); }

/* Thẻ bước (trang chủ) */
.atc-step { display: flex !important; flex-direction: column; gap: 14px !important; }
.atc-step > * { margin: 0 !important; }
.atc-step__top { display: flex !important; justify-content: space-between; align-items: center; }
.atc-step__num { font-size: .8125rem !important; font-weight: 600; color: var(--atc-muted); }
.atc-step h3 { font-size: 1.5rem; }
.atc-step p { font-size: .9375rem; color: var(--atc-body); }
.atc-step .atc-example { background: var(--atc-soft); border-radius: 10px; padding: 10px 12px; font-size: .875rem; color: #22303B; flex: 1 1 auto; }
.atc-step .wp-block-buttons { margin-top: auto !important; }
.atc-step .wp-block-button, .atc-step .wp-block-button__link { width: 100%; }
.atc-step .wp-block-button__link { min-height: 46px; border-radius: 10px; font-size: .9375rem; }

/* Mẹo (Costs most guides leave out) */
.atc-tip { display: flex !important; gap: 16px !important; align-items: flex-start; }
.atc-tip > * { margin: 0 !important; }
.atc-tip h3 { font-size: 1.0625rem; font-family: var(--wp--preset--font-family--body); font-weight: 600; letter-spacing: 0; margin: 0 0 6px !important; }
.atc-tip p { font-size: .9375rem; color: var(--atc-body); margin: 0; }

/* ==========================================================================
   Trang chủ
   ========================================================================== */
.atc-hero { padding-top: 64px; padding-bottom: 80px; }
.atc-hero__cols { gap: 48px !important; align-items: center !important; }
.atc-hero h1 { margin: 0; }
.atc-hero .atc-lead { font-size: 1.25rem; }

.atc-band-dark .atc-stat { border: 1px solid #2E3D49; border-radius: 14px; padding: 16px; }
.atc-team { background: var(--wp--preset--color--ink-2); border-radius: 18px; padding: 20px 22px 8px; }
.atc-team__row { display: flex !important; gap: 14px !important; align-items: center; padding: 14px 0; border-top: 1px solid #2E3D49; margin: 0 !important; }
.atc-team__row img, .atc-team__row .wp-block-avatar img { width: 56px; height: 56px; border-radius: 999px; object-fit: cover; }
.atc-team__row strong { display: block; font-size: 1rem; }
.atc-team__row span { font-size: .875rem; color: var(--wp--preset--color--on-dark); }
.atc-team__more { border-top: 1px solid #2E3D49; margin: 0 !important; padding: 14px 0; font-size: .875rem; font-weight: 600; }
.atc-team__more a { text-decoration: none; display: flex; justify-content: space-between; }

/* ==========================================================================
   Bảng, FAQ, trích dẫn
   ========================================================================== */
.wp-block-table { overflow-x: auto; }
.wp-block-table table { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
.wp-block-table th, .wp-block-table td { border: 0; border-bottom: 1px solid var(--atc-line-soft); padding: 14px 16px; text-align: left; }
.wp-block-table thead th { font-size: .8125rem; font-weight: 600; color: var(--atc-muted); border-bottom: 2px solid var(--atc-ink); }
.wp-block-table.is-style-card { border: 1px solid var(--atc-line); border-radius: 16px; background: #fff; }

.wp-block-details { border: 1px solid var(--atc-line); border-radius: 14px; padding: 0; margin-block: 0 12px !important; background: #fff; }
.wp-block-details summary { cursor: pointer; font-weight: 600; font-size: 1.0625rem; padding: 18px 20px; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.wp-block-details summary::-webkit-details-marker { display: none; }
.wp-block-details summary::after { content: "expand_more"; font-family: 'Material Symbols Rounded'; font-feature-settings: 'liga'; font-size: 24px; line-height: 1; color: var(--atc-muted); transition: transform .15s; }
.wp-block-details[open] summary::after { transform: rotate(180deg); }
.wp-block-details > :not(summary) { padding: 0 20px; color: var(--atc-body); }
.wp-block-details > :last-child { padding-bottom: 18px; }

.atc-editor-note { border: 2px dashed #e0a458; background: #fff8ee; padding: .8rem 1rem; border-radius: 10px; font-size: .92rem; }

/* Hộp tác giả nhỏ (By Mia Nguyen, managing editor) */
.atc-byline { display: flex !important; align-items: center; gap: 12px !important; font-size: .875rem; color: var(--atc-muted); border-top: 1px solid var(--atc-line-soft); padding-top: 16px; }
.atc-byline img { width: 44px; height: 44px; border-radius: 999px; }

/* ==========================================================================
   Blog
   ========================================================================== */
.atc-blog-head { margin-bottom: var(--wp--preset--spacing--50) !important; }
.atc-blog-head > * { margin-top: 0; }
.atc-blog-head h1 { margin: 0 0 .6rem !important; }
.atc-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.2rem; }
.atc-chips a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 16px; border: 1px solid var(--wp--preset--color--line-strong); border-radius: 999px; font-size: .875rem; font-weight: 500; color: var(--atc-ink); text-decoration: none; background: #fff; }
.atc-chips a:hover { border-color: var(--atc-ink); }
.atc-chips a.is-current { background: var(--atc-ink); border-color: var(--atc-ink); color: #fff; }
.atc-post-grid { gap: 32px 20px !important; }
@media (max-width: 900px) { .atc-post-grid.is-layout-grid { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; } }
@media (max-width: 600px) { .atc-post-grid.is-layout-grid { grid-template-columns: minmax(0, 1fr) !important; } }
.atc-post-card { height: 100%; gap: 10px !important; align-items: stretch !important; }
.atc-post-card > * { margin: 0 !important; }
.atc-post-card .wp-block-post-featured-image { border-radius: 12px; overflow: hidden; }
.atc-post-card__cats, .atc-post-cats { font-size: .75rem !important; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }
.atc-post-card__cats a, .atc-post-cats a { color: var(--atc-ink); text-decoration: none; }
.atc-post-card__cats a::before, .atc-post-cats a::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 999px; background: var(--atc-accent); margin-right: 6px; vertical-align: 1px; }
.atc-post-card__title { font-size: 1.1875rem !important; font-weight: 600; line-height: 1.22; letter-spacing: 0; }
.atc-post-card__title a { text-decoration: none; }
.atc-post-card__excerpt { font-size: .9375rem; color: var(--atc-body); }
.atc-post-card__excerpt .wp-block-post-excerpt__excerpt { margin: 0; }
.atc-post-card__date { font-size: .8125rem !important; color: var(--atc-muted) !important; }
.atc-post-card__date::before, .atc-meta .wp-block-post-date::before { content: "Updated "; }
.atc-pagination { margin-top: var(--wp--preset--spacing--50) !important; font-weight: 600; gap: .4rem 1rem; }
.atc-empty-guides { max-width: 46rem; }
.atc-post-cats { margin-top: 0 !important; }
.atc-meta { gap: .4rem 1rem; font-size: .875rem; color: var(--atc-muted); }
.atc-post-hero { border-radius: 16px; overflow: hidden; }

/* Sơ đồ trang (Rank Math) */
.rank-math-html-sitemap__section { margin-top: var(--wp--preset--spacing--50); }
.rank-math-html-sitemap__title { font-size: var(--wp--preset--font-size--large) !important; margin: 0 0 .6rem !important; }
.rank-math-html-sitemap__list { margin: 0; padding-left: 1.1rem; line-height: 1.5; }
.rank-math-html-sitemap__list .rank-math-html-sitemap__list { margin: .35rem 0 .2rem; }
.rank-math-html-sitemap__item { margin: 0 0 .35rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.atc-footer { background: var(--atc-ink); color: #fff; padding-top: 56px; padding-bottom: 40px; font-size: .9375rem; }
.atc-footer a { color: #fff; text-decoration: none; }
.atc-footer a:hover { color: var(--wp--preset--color--accent-light); }
.atc-footer__top { display: flex !important; flex-wrap: wrap; gap: 32px 48px; }
.atc-footer__brand { flex: 1 1 280px; max-width: 360px; }
.atc-footer__brand p { color: var(--wp--preset--color--on-dark); line-height: 1.55; margin-top: 12px; }
.atc-footer__cols { flex: 2 1 480px; min-width: 0; display: grid !important; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 24px; }
.atc-footer__cols > * { margin: 0 !important; }
.atc-footer__col { gap: 10px !important; }
.atc-footer__title { margin: 0 !important; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--wp--preset--color--muted-2); }
.atc-footer__links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.atc-footer__links li { margin: 0; }
.atc-footer__fine { display: flex !important; flex-wrap: wrap; gap: 16px 24px; justify-content: space-between; border-top: 1px solid #2E3D49; padding-top: 24px; margin-top: 40px !important; font-size: .875rem; color: var(--wp--preset--color--on-dark); }
.atc-footer__fine p { margin: 0; flex: 1 1 460px; }
.atc-footer__fine .atc-footer__copy { flex: 0 0 auto; font-size: .8125rem; font-variant-numeric: tabular-nums; }

@media (max-width: 600px) {
  .atc-hide-mobile { display: none !important; }
  .atc-hero { padding-top: 40px; padding-bottom: 56px; }
}
.atc-band-dark .atc-stats { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
.atc-band-dark .atc-stat__n--date, .atc-stat__n--date { font-size: 1.125rem !important; }
.atc-twocol { gap: 48px !important; }
.atc-hero__cols > .wp-block-column:last-child { min-width: 0; }

/* Trang có phần đầu riêng (trang nước, visa, so sánh) */
.atc-main--hero { padding-top: 28px; padding-bottom: 0; }
.atc-main--hero > .wp-block-post-content > :last-child:not(.atc-section) { margin-bottom: var(--wp--preset--spacing--70); }
.atc-page-title { margin-top: 8px !important; margin-bottom: 0 !important; font-size: clamp(2.25rem, 5vw, 3.75rem) !important; line-height: 1.02 !important; letter-spacing: -.035em !important; }
.atc-page-title + .atc-lead { margin-top: 12px; }
.atc-main--hero .atc-eyebrow { margin-top: 4px !important; }
.atc-callout { background: var(--atc-soft); border-radius: 14px; padding: 18px 20px; font-size: .9375rem; color: var(--atc-body); }
.atc-numlist { list-style: none; padding: 0; counter-reset: atcn; display: flex; flex-direction: column; gap: 0; }
.atc-numlist li { counter-increment: atcn; display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--atc-line-soft); }
.atc-numlist li::before { content: counter(atcn, decimal-leading-zero); font-family: var(--wp--preset--font-family--heading); font-weight: 700; color: var(--atc-accent); min-width: 28px; }

/* ---------- Blog (thiết kế 10/2026) ---------- */
.atc-blog__cols { gap: 48px !important; margin-top: 8px; }
.atc-blog__h2 { margin: 0 0 20px !important; font-size: 1.75rem !important; }
.atc-blog__side { display: flex; flex-direction: column; gap: 24px; }
.atc-side { border: 1px solid var(--atc-line); border-radius: 16px; padding: 20px; display: flex; flex-direction: column; }
.atc-side h2 { margin: 0 0 10px !important; font-size: 1.125rem !important; letter-spacing: 0; }
.atc-side__row { display: flex; justify-content: space-between; padding: 10px 0; border-top: 1px solid var(--atc-line-soft); text-decoration: none; }
.atc-side__person { display: flex; gap: 12px; align-items: center; padding: 10px 0; border-top: 1px solid var(--atc-line-soft); text-decoration: none; }
.atc-side__person img { border-radius: 999px; }
.atc-side__person > span { display: flex; flex-direction: column; font-size: .875rem; }
.atc-post-card__meta { gap: 4px 8px; font-size: .8125rem; color: var(--atc-muted); }
.atc-post-card__meta a { color: var(--atc-body); font-weight: 600; text-decoration: none; }
.atc-post-card__meta .wp-block-post-date::before { content: "· Updated "; }
.atc-post-card__date::before { content: none; }

/* Bài viết: theo thiết kế "Blog Post" (Claude Design 10/2026) */
.atc-single.atc-main { padding: 0; }
.atc-post { max-width: 1180px; margin: 0 auto; padding: 28px 24px 80px; display: flex; flex-wrap: wrap; gap: 40px; align-items: flex-start; box-sizing: border-box; }
.atc-post > *, .atc-post__main > *, .atc-post__side > *, .atc-article > * { margin: 0 !important; }
.atc-post__main { flex: 999 1 620px; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.atc-post .atc-crumbs { margin: 0; font-size: 13px; }
.atc-post .atc-crumbs .last, .atc-post .atc-crumbs .separator:has(+ .last) { display: none; }
.atc-post-cat { align-self: flex-start; display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--atc-ink); text-decoration: none; margin-top: 6px !important; }
.atc-post-cat span { width: 10px; height: 10px; border-radius: 999px; background: var(--atc-accent); }
.atc-post-cat--sm { font-size: 12px; letter-spacing: .06em; gap: 6px; margin-top: 0 !important; }
.atc-post-cat--sm span { width: 8px; height: 8px; }
.atc-post__title { font-size: clamp(32px, 4.2vw, 50px) !important; line-height: 1.08 !important; letter-spacing: -.03em !important; text-wrap: balance; }
.atc-post .atc-dek { font-size: 18px; line-height: 1.55; color: #3D4B57; max-width: none; text-wrap: pretty; }
.atc-single__bar { gap: 12px 16px; align-items: center; }
.atc-share { display: flex; gap: 6px; }
.atc-share__btn { width: 36px; height: 36px; border: 1px solid var(--atc-line); border-radius: 8px; background: #fff; display: flex; align-items: center; justify-content: center; color: var(--atc-ink); cursor: pointer; padding: 0; box-sizing: border-box; text-decoration: none; }
.atc-share__btn svg { width: 16px; height: 16px; }
.atc-share__btn:hover { border-color: var(--atc-ink); color: var(--atc-ink); }
.atc-copy .atc-copy__done, .atc-copy.is-done .atc-copy__link { display: none; }
.atc-copy.is-done .atc-copy__done { display: block; color: var(--wp--preset--color--green, #1A6B4E); }
.atc-readtime { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--atc-muted); }
.atc-readtime .atc-ms { font-size: 18px; }
.atc-byline { display: flex; align-items: center; gap: 10px; font-size: 14px; color: #3D4B57; border: 0; padding: 0; }
.atc-byline > div { display: flex; flex-direction: column; }
.atc-byline a { color: var(--atc-accent); font-weight: 600; }
.atc-avatar { border-radius: 999px; flex: 0 0 auto; object-fit: cover; }
.atc-avatar--ini { background: var(--atc-line); display: inline-flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; color: var(--atc-ink); }
.atc-post .atc-post-hero { border-radius: 14px; overflow: hidden; margin-top: 6px !important; }
.atc-post__body { display: flex; gap: 24px; align-items: flex-start; margin-top: 18px !important; }
.atc-share-rail { flex: 0 0 auto; position: sticky; top: 24px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.atc-share-rail > .atc-ms { font-size: 22px; }
.atc-share-rail__label { font-size: 11px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--atc-muted); }
.atc-share-rail .atc-share__btn { width: 44px; height: 44px; border-radius: 999px; font-size: 20px; }
.atc-share-rail .atc-share__btn svg { width: 18px; height: 18px; }
.atc-article { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 20px; font-size: 18px; line-height: 1.7; }
.atc-article__content { display: flex; flex-direction: column; gap: 20px; }
.atc-article__content > * { margin: 0 !important; max-width: none !important; }
.atc-article__content > p, .atc-article__content > ul, .atc-article__content > ol { color: #22303B; text-wrap: pretty; }
.atc-article__content > p:first-of-type::first-letter { float: left; font-family: var(--wp--preset--font-family--heading); font-weight: 700; font-size: 76px; line-height: .85; margin: 6px 12px 0 0; color: var(--atc-ink); }
.atc-article__content > h2 { margin-top: 16px !important; font-size: 28px !important; line-height: 1.15; letter-spacing: -.02em; scroll-margin-top: 24px; }
.atc-article__content > h3 { margin-top: 4px !important; font-size: 21px !important; line-height: 1.25; letter-spacing: -.01em; }
.atc-article__content > ul, .atc-article__content > ol { padding-left: 22px; display: flex; flex-direction: column; gap: 8px; }
.atc-article__content .wp-block-image img { border-radius: 14px; }
.atc-article__content .wp-element-caption { font-size: 13px; line-height: 1.5; color: var(--atc-muted); margin-top: 8px; }
.atc-article__content > .atc-callout { display: flex; gap: 12px; background: var(--atc-soft); border-radius: 12px; padding: 16px 18px; font-size: 15px; line-height: 1.55; color: #3D4B57; }
.atc-article__content > .atc-callout::before { content: "verified"; font-family: 'Material Symbols Rounded'; font-feature-settings: 'liga'; font-size: 20px; line-height: 1.2; color: #1A6B4E; flex: 0 0 auto; }
.atc-article__content > .atc-callout > * { margin: 0; }
.atc-article__content .wp-block-table { border: 1px solid var(--atc-line); border-radius: 12px; overflow-x: auto; background: #fff; }
.atc-article__content .wp-block-table table { min-width: 440px; font-size: 16px; line-height: 1.5; }
.atc-article__content .wp-block-table thead { border: 0; }
.atc-article__content .wp-block-table thead th { background: var(--atc-soft); color: var(--atc-ink); font-size: 16px; font-weight: 600; border-bottom: 0; padding: 12px 16px; }
.atc-article__content .wp-block-table td { border-bottom: 0; border-top: 1px solid var(--atc-line); padding: 12px 16px; }
.atc-article__content > .wp-block-details { font-size: 16px; line-height: 1.55; }
.atc-article__content > [class*="wp-block-atc-"], .atc-article__content > .atc-block, .atc-article__content > div[class^="atc-"] { font-size: 16px; line-height: 1.55; }
.atc-keynum { background: var(--atc-ink); color: #fff; border-radius: 14px; padding: 18px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px 20px; }
.atc-keynum__badge { flex: 0 0 auto; min-width: 76px; height: 76px; padding: 0 8px; box-sizing: border-box; border-radius: 10px; background: var(--atc-accent); display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.1; }
.atc-keynum__badge strong { font-family: var(--wp--preset--font-family--heading); font-weight: 700; font-size: 26px; }
.atc-keynum__badge span { font-size: 12px; font-weight: 600; }
.atc-keynum__text { flex: 1 1 220px; min-width: 0; display: flex; flex-direction: column; gap: 4px; line-height: 1.4; font-size: 15px; color: #C9D3DB; }
.atc-keynum__title { font-family: var(--wp--preset--font-family--heading); font-weight: 600; font-size: 18px; color: #fff; }
.atc-keynum__btn { display: inline-flex; align-items: center; min-height: 46px; padding: 0 20px; border-radius: 10px; background: #fff; color: var(--atc-ink) !important; text-decoration: none; font-size: 15px; font-weight: 600; }
.atc-keynum__btn:hover { background: var(--atc-soft); }
.atc-authorbox { display: flex; gap: 16px; align-items: flex-start; border: 0; border-top: 1px solid var(--atc-line); border-radius: 0; padding: 24px 0 0; margin-top: 8px !important; font-size: 16px; line-height: 1.55; }
.atc-authorbox .atc-avatar--ini { font-size: 15px; }
.atc-authorbox p { margin: 0 0 6px; font-size: 16px; color: #3D4B57; }
.atc-authorbox__name { color: var(--atc-ink) !important; }
.atc-authorbox__links { display: flex; flex-wrap: wrap; gap: 16px; font-size: 15px; font-weight: 600; }
.atc-single__fine { font-size: 14px; line-height: 1.5; color: var(--atc-muted); }
.atc-single__fine a { color: var(--atc-muted); }
.atc-post__side { flex: 1 1 300px; max-width: 340px; min-width: 0; display: flex; flex-direction: column; gap: 32px; border-left: 1px solid var(--atc-line-soft); padding-left: 28px; box-sizing: border-box; }
.atc-post__side h2 { margin: 0 0 8px !important; font-family: var(--wp--preset--font-family--body); font-size: 15px !important; font-weight: 600; letter-spacing: 0; line-height: 1.4; }
.atc-follow { display: flex; flex-direction: column; gap: 2px; }
.atc-follow__list { display: flex; flex-direction: column; border: 1px solid var(--atc-line); border-radius: 12px; overflow: hidden; }
.atc-follow__row { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 14px; border-top: 1px solid var(--atc-line); text-decoration: none; font-size: 14px; }
.atc-follow__row:first-child { border-top: 0; }
.atc-follow__row svg { width: 16px; height: 16px; }
.atc-follow__row span:nth-of-type(1) { flex: 1 1 auto; font-weight: 500; }
.atc-follow__row .atc-muted { font-size: 13px; }
.atc-toc { display: flex; flex-direction: column; gap: 2px; font-size: 15px; }
.atc-toc a { text-decoration: none; padding: 6px 0 6px 12px; border-left: 2px solid var(--atc-line); line-height: 1.4; }
.atc-toc a:hover, .atc-toc a.is-active { border-left-color: var(--atc-accent); }
.atc-morecat { display: flex; flex-direction: column; gap: 4px; }
.atc-morecat__row { display: flex; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--atc-line-soft); text-decoration: none; }
.atc-morecat__img { flex: 0 0 auto; width: 60px; height: 60px; border-radius: 999px; overflow: hidden; background: var(--atc-soft); }
.atc-morecat__img img { width: 100%; height: 100%; object-fit: cover; }
.atc-morecat__text { display: flex; flex-direction: column; gap: 2px; }
.atc-morecat__cat { font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--atc-accent); }
.atc-morecat__title { font-size: 14px; font-weight: 600; line-height: 1.35; }
.atc-promo { border: 1px solid var(--atc-line); border-top: 4px solid var(--atc-accent); border-radius: 14px; padding: 24px 20px; display: flex; flex-direction: column; align-items: center; gap: 12px; text-align: center; }
.atc-post__side .atc-promo h2 { margin: 0 !important; font-family: var(--wp--preset--font-family--heading); font-weight: 700; font-size: 30px !important; line-height: 1.05; letter-spacing: -.02em; }
.atc-promo p { margin: 0; font-size: 14px; color: #3D4B57; }
.atc-promo__btn { display: inline-flex; align-items: center; min-height: 46px; padding: 0 22px; border-radius: 10px; background: var(--atc-accent); color: #fff !important; text-decoration: none; font-weight: 600; font-size: 15px; }
.atc-promo__img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 10px; margin-top: 4px; }
.atc-moreposts { background: var(--atc-soft); padding: 64px 0; }
.atc-moreposts__in { max-width: 1180px; margin: 0 auto; padding: 0 24px; display: flex; flex-direction: column; gap: 24px; box-sizing: border-box; }
.atc-moreposts__head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 12px; }
.atc-moreposts__head h2 { margin: 0; font-size: 32px; letter-spacing: -.02em; }
.atc-moreposts__head a { font-weight: 600; }
.atc-moreposts__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(max(240px, calc((100% - 60px) / 4)), 1fr)); gap: 20px; }
.atc-moreposts__card { background: #fff; border-radius: 14px; overflow: hidden; display: flex; flex-direction: column; }
.atc-moreposts__img { aspect-ratio: 3 / 2; background: var(--atc-line-soft); }
.atc-moreposts__img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.atc-moreposts__body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 8px; flex: 1 1 auto; }
.atc-moreposts__body h3 { margin: 0; font-weight: 600; font-size: 19px; line-height: 1.22; letter-spacing: 0; }
.atc-moreposts__body h3 a { text-decoration: none; }
.atc-moreposts__body .atc-muted { margin-top: auto; font-size: 13px; }
@media (max-width: 900px) {
  .atc-share-rail { display: none; }
  .atc-post__side { max-width: none; border-left: 0; padding-left: 0; border-top: 1px solid var(--atc-line-soft); padding-top: 32px; }
}
@media print {
  .atc-header, .atc-footer, .atc-post__side, .atc-share-rail, .atc-single__bar, .atc-moreposts, .atc-consent { display: none !important; }
}

/* Trang tác giả */
.atc-team-tabs { margin-bottom: 24px; }
.atc-team-tabs .atc-pill { min-height: 40px; font-size: .875rem; text-decoration: none; gap: 8px; }
.atc-team-tabs img { border-radius: 999px; }
.atc-profile { display: grid; grid-template-columns: 160px minmax(0, 1fr) minmax(0, 320px); gap: 32px; align-items: start; }
.atc-profile__photo img, .atc-profile__photo .atc-avatar { width: 160px; height: 160px; border-radius: 20px; object-fit: cover; }
.atc-profile__photo .atc-avatar--ini { font-size: 44px; font-family: var(--wp--preset--font-family--heading); }
.atc-side__person .atc-avatar--ini { font-size: 13px; }
.atc-team-tabs .atc-avatar--ini { font-size: 9px; }
.atc-profile__main { display: flex; flex-direction: column; gap: 12px; }
.atc-profile__main > * { margin: 0 !important; }
.atc-profile__duties { border: 1px solid var(--atc-line); border-radius: 16px; padding: 20px; }
.atc-profile__duties h2 { margin: 0 0 10px !important; font-size: 1.125rem !important; letter-spacing: 0; }
.atc-profile__duties ul { margin: 0; padding-left: 1.1rem; display: flex; flex-direction: column; gap: 8px; font-size: .9375rem; }
.atc-profile__count { display: flex; justify-content: space-between; border-top: 1px solid var(--atc-line-soft); padding-top: 12px; margin: 14px 0 0; }
.atc-profile__posts { margin: 56px 0 20px !important; font-size: 1.75rem !important; }
@media (max-width: 900px) { .atc-profile { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Trang chữ, About, 404 ---------- */
.atc-person { display: flex !important; flex-direction: column; gap: 8px; }
.atc-person > * { margin: 0 !important; }
.atc-person .wp-block-avatar img { border-radius: 999px; }
.atc-person h3 { font-size: 1.375rem; }
.atc-info { display: flex !important; flex-direction: column; gap: 8px; }
.atc-info > * { margin: 0 !important; }
.atc-info h3 { font-size: 1.25rem; }
.atc-info p:last-child { margin-top: auto !important; font-weight: 600; }
.atc-inshort { background: var(--atc-soft); border: 0; }
.atc-inshort h3 { margin: 0 0 6px !important; font-size: 1.125rem; }
.atc-404 { padding-top: var(--wp--preset--spacing--60); }
.atc-404__h2 { font-size: 1.5rem !important; }
.atc-404__card { margin: 0 !important; padding: 0 !important; }
.atc-404__card a { display: flex; flex-direction: column; gap: 4px; padding: 20px; text-decoration: none; }
.atc-404__card span { font-size: .875rem; color: var(--atc-muted); }
.atc-main--hero > .wp-block-post-content > h2 { margin-top: 2em; }
.is-layout-constrained > .atc-lead { max-width: var(--wp--style--global--content-size); }
.atc-profile .wp-block-buttons { display: flex; flex-wrap: wrap; gap: 12px; }