/*
Theme Name: Donghua3D
Theme URI: https://donghua3d.com
Author: Donghua3D
Author URI: https://donghua3d.com
Description: Theme WordPress cho chuyên trang hoạt hình 3D Trung Quốc Donghua3D — tin tức, lịch chiếu và review donghua. Cấu trúc chuẩn với header, footer, sidebar, template-parts tách rõ; layout đầy đủ cho page, bài viết, chuyên mục, tìm kiếm; giao diện tối dễ xem, responsive tốt trên di động.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: kira-donghua3d
Tags: blog, news, two-columns, right-sidebar, custom-menu, featured-images, dark, translation-ready
*/

:root {
  --dh-accent: #f5a524;
  --dh-accent-2: #ff6b4a;
  --dh-bg: #0d1020;
  --dh-bg-soft: #141830;
  --dh-card: #1a1f3a;
  --dh-line: #2a3054;
  --dh-ink: #e8eaf6;
  --dh-muted: #9aa3c7;
  --dh-radius: 12px;
  --dh-shadow: 0 2px 10px rgba(0, 0, 0, .35);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--dh-ink);
  background: var(--dh-bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--dh-accent); text-decoration: none; }
a:hover { color: #ffc45e; }
h1, h2, h3, h4 { line-height: 1.3; color: #fff; }

.site-container { max-width: 1180px; margin: 0 auto; padding: 0 18px; }
.screen-reader-text {
  position: absolute !important;
  width: 1px; height: 1px;
  clip: rect(1px, 1px, 1px, 1px);
  overflow: hidden;
}

/* ---------- Header ---------- */
.site-header {
  background: rgba(13, 16, 32, .96);
  border-bottom: 1px solid var(--dh-line);
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(6px);
}
.header-inner { display: flex; align-items: center; gap: 22px; min-height: 66px; }
.site-branding { display: flex; align-items: center; gap: 10px; }
.site-branding img { height: 40px; width: auto; }
.site-title { margin: 0; font-size: 21px; font-weight: 800; letter-spacing: .3px; }
.site-title a { color: #fff; }
.site-title a span { color: var(--dh-accent); }

.main-navigation { margin-left: auto; }
.nav-menu { list-style: none; margin: 0; padding: 0; display: flex; gap: 4px; flex-wrap: wrap; }
.nav-menu li { position: relative; }
.nav-menu a {
  display: block; padding: 9px 13px;
  color: var(--dh-ink); font-weight: 600; font-size: 15px;
  border-radius: 8px;
}
.nav-menu a:hover,
.nav-menu .current-menu-item > a,
.nav-menu .current_page_item > a { background: var(--dh-card); color: var(--dh-accent); }
.nav-menu .sub-menu {
  display: none; position: absolute; left: 0; top: 100%;
  background: var(--dh-card); border: 1px solid var(--dh-line);
  border-radius: 8px; min-width: 200px; padding: 6px; z-index: 60;
}
.nav-menu li:hover > .sub-menu { display: block; }

.menu-toggle {
  display: none; margin-left: auto;
  background: var(--dh-card); color: var(--dh-ink);
  border: 1px solid var(--dh-line); border-radius: 8px;
  padding: 8px 12px; font-size: 15px; cursor: pointer;
}
.header-search { margin-left: 8px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: linear-gradient(120deg, #141830 0%, #1c1440 55%, #3a1430 100%);
  background-size: cover; background-position: center;
  border-bottom: 1px solid var(--dh-line);
}
.hero.has-image::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(13,16,32,.55), rgba(13,16,32,.88));
}
.hero-inner { position: relative; padding: 64px 0 58px; max-width: 720px; }
.hero-kicker {
  display: inline-block; margin-bottom: 14px;
  background: rgba(245, 165, 36, .14); color: var(--dh-accent);
  border: 1px solid rgba(245, 165, 36, .4);
  padding: 4px 12px; border-radius: 999px;
  font-size: 13px; font-weight: 700; letter-spacing: .4px; text-transform: uppercase;
}
.hero h1 { margin: 0 0 14px; font-size: 40px; }
.hero p { margin: 0 0 22px; color: var(--dh-muted); font-size: 18px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 11px 22px;
  border-radius: 9px; font-weight: 700; font-size: 15px;
}
.btn-primary { background: linear-gradient(100deg, var(--dh-accent), var(--dh-accent-2)); color: #1a1206; }
.btn-primary:hover { filter: brightness(1.08); color: #1a1206; }
.btn-ghost { border: 1px solid var(--dh-line); color: var(--dh-ink); background: rgba(255,255,255,.04); }
.btn-ghost:hover { border-color: var(--dh-accent); color: var(--dh-accent); }

/* ---------- Sections ---------- */
.section { padding: 46px 0; }
.section-alt { background: var(--dh-bg-soft); border-top: 1px solid var(--dh-line); border-bottom: 1px solid var(--dh-line); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.section-head h2 { margin: 0; font-size: 26px; }
.section-head .more-link { font-size: 14px; font-weight: 700; }

.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Cards ---------- */
.card {
  background: var(--dh-card);
  border: 1px solid var(--dh-line);
  border-radius: var(--dh-radius);
  overflow: hidden;
  box-shadow: var(--dh-shadow);
  display: flex; flex-direction: column;
  transition: transform .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-3px); border-color: #3d4677; }
.card-thumb { aspect-ratio: 16 / 9; overflow: hidden; background: #10142a; position: relative; }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; }
.card-thumb .thumb-fallback {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 800; font-size: 22px; letter-spacing: 1px; text-shadow: 0 2px 8px rgba(0,0,0,.5);
}
.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-meta { display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--dh-muted); flex-wrap: wrap; }
.card-cat {
  background: rgba(255, 107, 74, .14); color: var(--dh-accent-2);
  padding: 2px 10px; border-radius: 999px; font-weight: 700; font-size: 12px;
}
.card h3 { margin: 0; font-size: 18px; }
.card h3 a { color: #fff; }
.card h3 a:hover { color: var(--dh-accent); }
.card p { margin: 0; color: var(--dh-muted); font-size: 14.5px; }

/* Category tiles */
.cat-tile {
  position: relative; border-radius: var(--dh-radius); overflow: hidden;
  border: 1px solid var(--dh-line); min-height: 130px;
  display: flex; align-items: flex-end;
  background: linear-gradient(135deg, #1c2145, #34194a);
  background-size: cover; background-position: center;
}
.cat-tile::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13,16,32,.1), rgba(13,16,32,.85)); }
.cat-tile-label { position: relative; padding: 14px 16px; }
.cat-tile-label strong { display: block; color: #fff; font-size: 17px; }
.cat-tile-label span { color: var(--dh-muted); font-size: 13px; }

/* ---------- Content layout ---------- */
.content-area { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 34px; padding: 40px 0 56px; }
.content-area.full { grid-template-columns: minmax(0, 1fr); max-width: 860px; margin: 0 auto; }

.page-header-bar {
  background: var(--dh-bg-soft) center/cover no-repeat;
  border-bottom: 1px solid var(--dh-line);
  position: relative;
}
.page-header-bar.has-image::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13,16,32,.6), rgba(13,16,32,.9)); }
.page-header-inner { position: relative; padding: 40px 0 34px; }
.breadcrumb { font-size: 13.5px; color: var(--dh-muted); margin-bottom: 10px; }
.breadcrumb a { color: var(--dh-muted); }
.breadcrumb a:hover { color: var(--dh-accent); }
.page-header-inner h1 { margin: 0; font-size: 32px; }
.page-header-inner .archive-description { margin: 10px 0 0; color: var(--dh-muted); max-width: 720px; }

.entry-content { font-size: 17px; }
.entry-content h2 { margin-top: 36px; font-size: 25px; }
.entry-content h3 { margin-top: 28px; font-size: 20px; }
.entry-content p { margin: 0 0 18px; }
.entry-content ul, .entry-content ol { margin: 0 0 18px; padding-left: 24px; }
.entry-content li { margin-bottom: 8px; }
.entry-content img { border-radius: var(--dh-radius); margin: 8px 0 18px; }
.entry-content blockquote {
  margin: 0 0 18px; padding: 14px 20px;
  border-left: 4px solid var(--dh-accent);
  background: var(--dh-card); border-radius: 0 10px 10px 0;
  color: var(--dh-muted);
}
.entry-content table { width: 100%; border-collapse: collapse; margin: 0 0 20px; font-size: 15px; }
.entry-content th, .entry-content td { border: 1px solid var(--dh-line); padding: 9px 12px; text-align: left; }
.entry-content th { background: var(--dh-card); color: #fff; }

.single-featured { border-radius: var(--dh-radius); overflow: hidden; margin-bottom: 24px; border: 1px solid var(--dh-line); }
.entry-meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--dh-muted); font-size: 14px; margin: 12px 0 22px; }
.entry-meta a { color: var(--dh-accent-2); font-weight: 600; }
.tag-list { margin-top: 26px; display: flex; gap: 8px; flex-wrap: wrap; }
.tag-list a {
  border: 1px solid var(--dh-line); border-radius: 999px;
  padding: 4px 12px; font-size: 13px; color: var(--dh-muted);
}

/* ---------- Sidebar ---------- */
.widget-area { display: flex; flex-direction: column; gap: 24px; }
.widget {
  background: var(--dh-card); border: 1px solid var(--dh-line);
  border-radius: var(--dh-radius); padding: 20px;
}
.widget-title { margin: 0 0 14px; font-size: 17px; padding-bottom: 10px; border-bottom: 2px solid var(--dh-accent); }
.widget ul { list-style: none; margin: 0; padding: 0; }
.widget li { padding: 8px 0; border-bottom: 1px dashed var(--dh-line); font-size: 14.5px; }
.widget li:last-child { border-bottom: 0; }
.widget li a { color: var(--dh-ink); }
.widget li a:hover { color: var(--dh-accent); }
.widget .post-count { color: var(--dh-muted); font-size: 13px; }

.mini-post { display: flex; gap: 12px; align-items: center; }
.mini-post img { width: 74px; height: 52px; object-fit: cover; border-radius: 7px; flex-shrink: 0; }
.mini-post span { display: block; font-size: 12.5px; color: var(--dh-muted); }

/* ---------- Search form ---------- */
.search-form { display: flex; gap: 8px; }
.search-form input[type="search"] {
  flex: 1; min-width: 0; padding: 9px 13px;
  background: var(--dh-bg); color: var(--dh-ink);
  border: 1px solid var(--dh-line); border-radius: 8px; font-size: 14.5px;
}
.search-form input[type="search"]:focus { outline: none; border-color: var(--dh-accent); }
.search-form button {
  background: var(--dh-accent); color: #1a1206; border: 0;
  border-radius: 8px; padding: 9px 15px; font-weight: 700; cursor: pointer;
}

/* ---------- Related & pagination ---------- */
.related-posts { margin-top: 44px; padding-top: 28px; border-top: 1px solid var(--dh-line); }
.related-posts h2 { font-size: 22px; margin: 0 0 18px; }

.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 36px; flex-wrap: wrap; }
.pagination .page-numbers {
  display: inline-block; min-width: 40px; text-align: center;
  padding: 8px 12px; border-radius: 8px;
  background: var(--dh-card); border: 1px solid var(--dh-line);
  color: var(--dh-ink); font-weight: 600;
}
.pagination .page-numbers.current { background: var(--dh-accent); color: #1a1206; border-color: var(--dh-accent); }
.post-navigation { display: flex; justify-content: space-between; gap: 16px; margin-top: 30px; font-size: 14.5px; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(110deg, rgba(245,165,36,.16), rgba(255,107,74,.14));
  border: 1px solid rgba(245,165,36,.35);
  border-radius: var(--dh-radius);
  padding: 30px 32px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
}
.cta-band h2 { margin: 0 0 6px; font-size: 23px; }
.cta-band p { margin: 0; color: var(--dh-muted); }
.cta-band .btn { margin-left: auto; }

/* ---------- 404 / none ---------- */
.no-results { text-align: center; padding: 70px 0; }
.no-results h1 { font-size: 56px; margin: 0 0 10px; color: var(--dh-accent); }
.no-results p { color: var(--dh-muted); }

/* ---------- Footer ---------- */
.site-footer { background: #0a0d1a; border-top: 1px solid var(--dh-line); margin-top: 40px; }
.footer-widgets { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 34px; padding: 44px 0 30px; }
.footer-col h3 { margin: 0 0 14px; font-size: 16px; color: #fff; }
.footer-col p { margin: 0 0 10px; color: var(--dh-muted); font-size: 14.5px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 9px; font-size: 14.5px; }
.footer-col a { color: var(--dh-muted); }
.footer-col a:hover { color: var(--dh-accent); }
.footer-logo { height: 38px; width: auto; margin-bottom: 12px; }
.site-info {
  border-top: 1px solid var(--dh-line);
  padding: 18px 0; text-align: center;
  color: var(--dh-muted); font-size: 13.5px;
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .content-area { grid-template-columns: 1fr; }
  .footer-widgets { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .menu-toggle { display: block; }
  .main-navigation { display: none; width: 100%; margin: 0; }
  .main-navigation.open { display: block; }
  .header-inner { flex-wrap: wrap; padding: 10px 0; }
  .nav-menu { flex-direction: column; }
  .nav-menu .sub-menu { display: block; position: static; border: 0; padding-left: 16px; }
  .header-search { display: none; }
  .hero h1 { font-size: 29px; }
  .hero-inner { padding: 44px 0 40px; }
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-widgets { grid-template-columns: 1fr; }
  .page-header-inner h1 { font-size: 25px; }
  .cta-band .btn { margin-left: 0; }
}