/*
Theme Name: Tiếng Trung Tri Tân
Theme URI: https://github.com/kulavietnam/falcon-pine-forest-horizon
Author: Hoa Ngữ
Description: Lớp tiếng Trung tại chỗ ở TP. Hồ Chí Minh. Tương thích Elementor: các trang được dựng sẵn bằng Elementor, màu và phông có sẵn trong Site Settings. Hỗ trợ Elementor Pro Theme Builder cho header, footer, bài viết.
Version: 2.1.0
Requires at least: 6.4
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: hoangu
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Tags: one-column, custom-logo, custom-menu, editor-style, block-styles, wide-blocks
*/

:root {
  --paper: #f3eee6;
  --cream: #fffcf7;
  --ink: #1c1916;
  --ink-soft: #3a332e;
  --muted: #5c534c;
  --cinnabar: #9d342c;
  --line: #e7c8c4;
  --serif: "Fraunces", "Times New Roman", serif;
  --sans: "Be Vietnam Pro", "Segoe UI", sans-serif;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.6;
}

img, video { max-width: 100%; height: auto; }
a { color: var(--cinnabar); }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: var(--cream);
  padding: 0.5rem 0.8rem;
  z-index: 20;
}
.skip:focus { top: 0.5rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #f3eee6;
  border-bottom: 1px solid var(--line);
}

.header-inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  text-decoration: none;
  margin-right: auto;
  min-width: 0;
}
.brand strong { font-family: var(--serif); font-size: 1.15rem; font-weight: 520; line-height: 1.15; }
.brand small { display: block; color: var(--muted); font-size: 0.75rem; }

.seal, .custom-logo {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.4rem;
  object-fit: cover;
  flex: none;
}
.seal {
  display: grid;
  place-items: center;
  background: var(--cinnabar);
  color: #f3eee6;
  font-family: "Noto Serif SC", var(--serif);
  font-size: 1.35rem;
}

.nav-toggle { display: none; }
.menu {
  display: flex;
  gap: 0.25rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.menu a {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
}

.zalo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  background: #0068ff;
  color: white !important;
  text-decoration: none;
  font-weight: 600;
  border: 0;
  gap: 0.5rem;
}
.zalo-btn:hover { background: #0052cc; }
.btn-ghost, .zalo-btn.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.4rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--cream);
  color: var(--ink) !important;
  text-decoration: none;
  font-weight: 500;
}

.entry {
  max-width: 64rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 5rem;
}
.entry h1, .entry h2, .entry h3 {
  font-family: var(--serif);
  font-weight: 520;
  line-height: 1.2;
}

.site-footer {
  border-top: 1px solid var(--line);
  font-size: 0.95rem;
}
.site-footer strong { font-family: var(--serif); color: var(--ink); }

.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 30;
  display: flex;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem calc(0.6rem + env(safe-area-inset-bottom));
  background: #fffcf7;
  border-top: 1px solid var(--line);
}
.dock a { flex: 1; }

.tt-home .wrap { max-width: 64rem; margin: 0 auto; padding: 2.5rem 1rem; }
.tt-home .narrow { max-width: 40rem; }
.tt-home h1, .tt-home h2, .tt-home h3 { font-family: var(--serif); font-weight: 520; line-height: 1.15; color: var(--ink); }
.tt-home h1 { font-size: clamp(2rem, 5vw, 3.25rem); margin: 0.4rem 0 0; }
.tt-home h2 { font-size: clamp(1.7rem, 3vw, 2.1rem); margin: 0 0 1rem; }
.tt-home h3 { font-size: 1.45rem; margin: 0 0 0.4rem; }
.tt-home p { color: var(--muted); }
.kicker, .tt-home .kicker { color: var(--cinnabar); font-size: 0.92rem; font-weight: 600; margin: 0; }
.tt-home .lede { font-size: 1.05rem; }

.hero, .split { display: grid; gap: 1.5rem; align-items: center; }
.hero img, .tt-home video, .gallery img, .media-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: 1rem;
  border: 1px solid var(--line);
  display: block;
}
.gallery img { aspect-ratio: 4 / 3; }
.actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.2rem 0; }
.facts, .bars { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.facts li { padding-left: 0.9rem; position: relative; color: var(--ink-soft); }
.facts li::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 99px;
  background: var(--cinnabar);
  position: absolute;
  left: 0;
  top: 0.55rem;
}
.bars li { border-left: 2px solid var(--cinnabar); padding-left: 0.8rem; color: var(--ink-soft); }

.band { border-top: 1px solid var(--line); }
.band.cream { background: var(--cream); }
.cards { display: grid; gap: 0.75rem; }
.card {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 1rem;
  padding: 1rem;
  text-decoration: none;
  color: inherit;
}
.card span, .more { color: var(--cinnabar); font-weight: 600; font-size: 0.95rem; margin-top: auto; }
.media-card { padding: 0; overflow: hidden; }
.media-card div { padding: 0.9rem 1rem 1rem; }
.media-card img { border: 0; border-radius: 0; }
.stats { display: grid; gap: 0.75rem; margin: 0; }
.stats div { background: var(--cream); border: 1px solid var(--line); border-radius: 1rem; padding: 0.8rem 1rem; }
.stats dt { color: var(--muted); font-size: 0.9rem; }
.stats dd { margin: 0.15rem 0 0; font-weight: 600; color: var(--ink); }
.portrait {
  width: 8.5rem;
  height: 11rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: var(--paper);
  display: grid;
  place-items: center;
}
.portrait span { font-family: "Noto Serif SC", serif; color: var(--cinnabar); font-size: 3rem; }
.tt-home details { border-bottom: 1px solid var(--line); }
.tt-home summary { cursor: pointer; min-height: 3rem; display: flex; align-items: center; font-weight: 600; color: var(--ink); }
.tt-home details p { margin-top: 0; }
.zalo-card { background: #fff; border: 1px solid #c5ddff; border-radius: 1rem; padding: 1.1rem; }
.tt-home ol { margin: 0.5rem 0 0; padding-left: 1.2rem; color: var(--ink-soft); }

/* ---------- Thanh quản trị WordPress ---------- */
.admin-bar .site-header { top: 32px; }
@media (max-width: 782px) { .admin-bar .site-header { top: 46px; } }
@media (max-width: 600px) { .admin-bar .site-header { top: 0; } }

/* ---------- Trang thường, bài viết ---------- */
.entry h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin: 0.3rem 0 0.6rem; }
.entry .kicker a { color: inherit; text-decoration: none; }
.meta { color: var(--muted); font-size: 0.92rem; margin: 0 0 1rem; }
.entry-thumb { border-radius: 1rem; margin-bottom: 1.5rem; }
.post-list { display: grid; gap: 1.5rem; margin-top: 1.5rem; }
.post-list article { border-top: 1px solid var(--line); padding-top: 1.2rem; }
.post-list h2 { margin: 0 0 0.4rem; font-size: 1.6rem; }
.post-list h2 a { color: var(--ink); text-decoration: none; }
.socials-hint { font-size: 0.85rem; }
.zalo-missing { background: var(--cream); border: 1px dashed var(--cinnabar); border-radius: 0.8rem; padding: 0.9rem 1rem; color: var(--ink-soft); }

/* ---------- Thẻ bài viết (trang chủ, shortcode, widget Elementor) ---------- */
.tt-posts .card h3 { font-family: var(--serif); font-weight: 520; font-size: 1.35rem; line-height: 1.2; color: var(--ink); margin: 0 0 0.3rem; }
.tt-posts .card p { color: var(--muted); margin: 0; }
.tt-posts .card .kicker { color: var(--cinnabar); }
.card { transition: border-color 0.15s ease, transform 0.15s ease; }
a.card:hover { border-color: var(--cinnabar); }

/* ---------- Elementor: nền chung, mọi chỉnh sửa trong Elementor vẫn được ưu tiên ---------- */
.elementor-widget-heading .elementor-heading-title { font-family: var(--serif); font-weight: 520; line-height: 1.15; color: var(--ink); }
.elementor-widget-text-editor { color: var(--muted); }
.elementor-widget-text-editor > *:first-child,
.elementor-widget-text-editor .elementor-widget-container > *:first-child { margin-top: 0; }
.elementor-widget-text-editor > *:last-child,
.elementor-widget-text-editor .elementor-widget-container > *:last-child { margin-bottom: 0; }
.elementor-widget-text-editor a { color: var(--cinnabar); }

a.e-con, a.e-con:hover { text-decoration: none; color: inherit; }
a.e-con { transition: border-color 0.15s ease; }
a.e-con:hover { border-color: var(--cinnabar) !important; }

.tt-facts ul, .tt-bars ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.55rem; }
.tt-facts li { padding-left: 0.9rem; position: relative; }
.tt-facts li::before { content: ""; width: 0.4rem; height: 0.4rem; border-radius: 99px; background: var(--cinnabar); position: absolute; left: 0; top: 0.62rem; }
.tt-bars li { border-left: 2px solid var(--cinnabar); padding-left: 0.8rem; }
.tt-steps ol { margin: 0; padding-left: 1.2rem; display: grid; gap: 0.3rem; }
.tt-more a { font-weight: 600; text-decoration: none; }

.tt-video .elementor-widget-container,
.tt-video .elementor-wrapper { overflow: hidden; border-radius: 1rem; }
.tt-faq .elementor-toggle-item { border-bottom: 1px solid var(--line); }
.tt-faq .elementor-tab-title, .tt-faq .elementor-tab-content { border: 0 !important; }

.elementor-editor-active .dock, .elementor-editor-preview .dock { display: none; }

/* ---------- Nút liên hệ ---------- */
.ico { width: 1.1em; height: 1.1em; fill: currentColor; flex: none; }
.btn-call {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  min-height: 3rem; padding: 0.55rem 1.25rem; border-radius: 999px;
  background: var(--cinnabar); color: #fff !important; text-decoration: none; font-weight: 600;
  transition: background 0.15s ease;
}
.btn-call:hover { background: #7f2a23; }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center; align-self: flex-start;
  min-height: 2.6rem; padding: 0.4rem 1.1rem; margin-top: auto; border-radius: 999px;
  border: 1.5px solid var(--cinnabar); color: var(--cinnabar) !important; text-decoration: none; font-weight: 600; font-size: 0.95rem;
}
.btn-outline:hover { background: var(--cinnabar); color: #fff !important; }
.cta-stack { display: flex; flex-direction: column; gap: 0.6rem; max-width: 20rem; margin: 1.2rem 0; }
.cta-stack a { width: 100%; }
.cta-stack--wide { max-width: none; }
.header-cta { min-height: 2.75rem; padding: 0.45rem 1.05rem; font-size: 0.95rem; white-space: nowrap; }

/* Elementor: cụm nút và nút có biểu tượng */
.tt-cta-stack .elementor-button { width: 100%; }
.elementor-button .elementor-button-content-wrapper { align-items: center; gap: 0.5rem; }
.tt-portrait img { object-position: center top; }

/* Zalo nổi (máy tính) */
.zalo-float {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 40;
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.8rem 1.1rem; border-radius: 999px; background: #0068ff; color: #fff; text-decoration: none; font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 104, 255, 0.28);
}
.zalo-float:hover { background: #0052cc; color: #fff; }
.zalo-float .ico { width: 1.3em; height: 1.3em; }
.elementor-editor-active .zalo-float { display: none; }

/* ---------- Trang chủ (bản không Elementor) ---------- */
.portrait-img { width: 100%; max-width: 20rem; aspect-ratio: 3 / 4; object-fit: cover; object-position: top; border-radius: 1rem; border: 1px solid var(--line); display: block; }
.tt-home .card .btn-outline { margin-top: auto; }

/* ---------- Bài viết ---------- */
.entry-post { max-width: 46rem; }
.breadcrumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 0.25rem 0.5rem; padding: 0; margin: 0 0 1rem; font-size: 0.88rem; color: var(--muted); }
.breadcrumbs li + li::before { content: "›"; margin-right: 0.5rem; color: var(--line); }
.breadcrumbs a { color: var(--muted); text-decoration: none; }
.breadcrumbs a:hover { color: var(--cinnabar); }
.entry-content { color: var(--ink-soft); }
.entry-content h2 { font-size: 1.65rem; margin: 2.2rem 0 0.6rem; }
.entry-content h3 { font-size: 1.25rem; margin: 1.5rem 0 0.4rem; }
.entry-content p:first-child { font-size: 1.12rem; color: var(--ink); }
.entry-content li { margin-bottom: 0.35rem; }
.tt-summary { background: var(--cream); border: 1px solid var(--line); border-left: 3px solid var(--cinnabar); border-radius: 0.9rem; padding: 1rem 1.2rem; margin: 1.5rem 0; }
.tt-summary .tt-summary-title { margin: 0 0 0.4rem; font-weight: 600; color: var(--cinnabar); font-size: 0.95rem; }
.tt-summary ul { margin: 0; padding-left: 1.1rem; }
.entry-content .wp-block-table { overflow-x: auto; margin: 1.2rem 0; }
.entry-content table { width: 100%; border-collapse: collapse; font-size: 0.95rem; background: var(--cream); }
.entry-content th, .entry-content td { border: 1px solid var(--line); padding: 0.6rem 0.75rem; text-align: left; vertical-align: top; }
.entry-content th { background: #f6ece6; color: var(--ink); }
.tt-cta { background: var(--cream); border: 1px dashed var(--cinnabar); border-radius: 0.9rem; padding: 0.9rem 1.1rem; }
.entry-content .wp-block-button.tt-btn-call .wp-block-button__link { background: var(--cinnabar); }
.entry-content .wp-block-button.tt-btn-zalo .wp-block-button__link, .entry .wp-block-button.tt-btn-zalo .wp-block-button__link { background: #0068ff; }
.author-box { display: flex; gap: 1rem; align-items: flex-start; margin: 2.5rem 0 1.5rem; padding: 1.1rem 1.2rem; border: 1px solid var(--line); border-radius: 1rem; background: var(--cream); }
.author-box p { margin: 0.2rem 0 0; color: var(--ink-soft); }
.post-cta { display: grid; gap: 0.5rem 1.5rem; align-items: center; padding: 1.4rem; border-radius: 1rem; background: #fff; border: 1px solid #c5ddff; }
.post-cta h2 { margin: 0 0 0.3rem; font-size: 1.45rem; }
.post-cta p { margin: 0; color: var(--muted); }
.post-cta .cta-stack { margin: 0.5rem 0 0; }
.related { margin-top: 2rem; }
.related h2 { font-size: 1.3rem; margin: 0 0 0.5rem; }
.related ul { padding-left: 1.1rem; margin: 0; }

/* ---------- Khối liên hệ ---------- */
.contact-card { background: var(--cream); border: 1px solid var(--line); border-radius: 1rem; padding: 1.3rem; }
.contact-card .cta-stack { margin-top: 0; }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.85rem; }
.contact-list li { display: flex; gap: 0.7rem; align-items: flex-start; color: var(--ink-soft); }
.contact-list .ico { color: var(--cinnabar); margin-top: 0.2rem; }
.contact-list small { display: block; color: var(--muted); font-size: 0.8rem; }
.contact-list a { color: var(--ink); text-decoration: none; font-weight: 600; }
.contact-list a:hover { color: var(--cinnabar); }

/* ---------- Chân trang ---------- */
.site-footer { background: #ebe3d7; color: var(--ink-soft); }
.site-footer .inner { padding: 0 1rem; }
.footer-cta { background: var(--ink); color: #efe7db; }
.footer-cta .inner { max-width: 64rem; margin: 0 auto; padding: 2.2rem 1rem; display: grid; gap: 1rem 2.5rem; align-items: center; }
.footer-cta h2 { font-family: var(--serif); font-weight: 520; color: #fffcf7; font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.2; margin: 0.2rem 0 0.4rem; }
.footer-cta p { margin: 0; color: #d9cfc2; }
.footer-cta .kicker { color: #f0a59c; }
.footer-cta .cta-stack { margin: 0; }
.footer-grid { max-width: 64rem; margin: 0 auto; padding: 2.5rem 1rem 1.5rem !important; display: grid; gap: 2rem; }
.footer-brand .brand { margin: 0 0 0.8rem; }
.footer-brand p { margin: 0 0 0.9rem; font-size: 0.95rem; }
.site-footer .footer-brand strong { font-size: 1.15rem; }
.footer-col h2 { font-family: var(--sans); font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--cinnabar); margin: 0 0 0.8rem; font-weight: 600; }
.footer-links { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.15rem; }
.footer-links a { color: var(--ink-soft); text-decoration: none; display: inline-flex; min-height: 2.25rem; align-items: center; }
.footer-links a:hover { color: var(--cinnabar); }
.footer-contact address { font-style: normal; }
.footer-contact .contact-list { gap: 0.7rem; font-size: 0.95rem; }
.socials { display: flex; flex-wrap: wrap; gap: 0.5rem; padding: 0; margin: 0; list-style: none; }
.socials a { display: inline-flex; align-items: center; min-height: 2.25rem; padding: 0 0.85rem; border-radius: 999px; border: 1px solid #d8c9b9; color: var(--ink-soft); text-decoration: none; font-size: 0.9rem; background: rgba(255, 252, 247, 0.6); }
.socials a:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.footer-bottom { border-top: 1px solid #d8c9b9; }
.footer-bottom .inner { max-width: 64rem; margin: 0 auto; padding: 1rem 1rem 6.5rem !important; display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; justify-content: space-between; align-items: center; font-size: 0.85rem; color: var(--muted); }
.footer-bottom p { margin: 0; }
.to-top { display: inline-flex; gap: 0.35rem; align-items: center; color: var(--muted); text-decoration: none; }
.to-top:hover { color: var(--cinnabar); }

/* ---------- Thanh dưới cùng (điện thoại) ---------- */
.dock .btn-call { flex: 1; }
.dock .dock-zalo { flex: none; padding: 0.55rem 1rem; }

@media (max-width: 800px) {
  .nav-toggle {
    display: inline-flex;
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--line);
    border-radius: 999px;
    min-height: 2.75rem;
    padding: 0 0.9rem;
    font: inherit;
  }
  .header-inner { flex-wrap: wrap; }
  .menu { display: none; flex-direction: column; width: 100%; padding-bottom: 0.5rem; }
  .menu.is-open { display: flex; }
  .header-cta { display: none; }
  .zalo-float { display: none; }
  .brand strong { font-size: 1rem; }
}

@media (min-width: 801px) and (max-width: 1080px) {
  .menu { gap: 0.25rem 0.7rem; }
  .menu a { font-size: 0.88rem; }
  .brand small { display: none; }
  .header-cta { font-size: 0.88rem; padding: 0.4rem 0.85rem; }
}
@media (min-width: 560px) and (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 801px) {
  .dock { display: none; }
  .entry { padding-bottom: 3rem; }
  .footer-bottom .inner { padding-bottom: 1rem !important; }
  .footer-cta .inner { grid-template-columns: 1fr auto; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.3fr; }
  .post-cta { grid-template-columns: 1fr auto; }
  .split-teacher { grid-template-columns: 0.6fr 1.4fr; }
  .hero, .split { grid-template-columns: 1.1fr 0.9fr; }
  .cards-3 { grid-template-columns: repeat(3, 1fr); }
  .stats { grid-template-columns: 1fr 1fr; }
  .portrait { width: 100%; max-width: 14rem; height: 18rem; }
}