/*
Theme Name: Hazo News
Theme URI: https://hazomedia.vn
Author: Hazo Media
Description: Lightweight news theme for WordPress - built on Underscores
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: hazo-news
Tags: news, blog, custom-menu, featured-images, threaded-comments
*/

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #CB0526;
  --color-primary-dark: #a00018;
  --color-text: #1a1a1a;
  --color-text-muted: #6b6b6b;
  --color-border: #e5e5e5;
  --color-bg: #f8f8f8;
  --color-white: #ffffff;
  --font-heading: 'Be Vietnam Pro', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --max-width: 1180px;
  --radius: 6px;
  --transition: 0.2s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--color-text); background: var(--color-bg); line-height: 1.7; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== LAYOUT ===== */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
.site-content { padding: 32px 0; }
.content-area { width: 68%; }
.widget-area { width: 29%; }
.content-sidebar { display: flex; gap: 3%; }
@media (max-width: 768px) {
  .content-sidebar { flex-direction: column; }
  .content-area, .widget-area { width: 100%; }
}

/* ===== HEADER ===== */
.site-header { background: var(--color-white); border-bottom: 3px solid var(--color-primary); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 8px rgba(0,0,0,.06); }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; max-width: var(--max-width); margin: 0 auto; }
.site-branding .site-title { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; color: var(--color-primary); line-height: 1; }
.site-branding .site-title a { color: inherit; }
.site-branding .site-description { font-size: 0.75rem; color: var(--color-text-muted); margin-top: 2px; }

/* ===== NAV ===== */
.main-navigation ul { list-style: none; display: flex; gap: 4px; flex-wrap: wrap; }
.main-navigation a { font-family: var(--font-heading); font-size: 0.875rem; font-weight: 600; color: var(--color-text); padding: 6px 12px; border-radius: var(--radius); transition: background var(--transition), color var(--transition); }
.main-navigation a:hover, .main-navigation .current-menu-item > a { background: var(--color-primary); color: var(--color-white); text-decoration: none; }
.nav-toggle { display: none; background: none; border: 1.5px solid var(--color-border); border-radius: var(--radius); padding: 6px 10px; cursor: pointer; font-size: 1.2rem; }
@media (max-width: 768px) {
  .main-navigation { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-white); border-top: 1px solid var(--color-border); padding: 12px 20px; }
  .main-navigation.active { display: block; }
  .main-navigation ul { flex-direction: column; gap: 2px; }
  .nav-toggle { display: block; }
}

/* ===== BREADCRUMB ===== */
.breadcrumb { background: var(--color-white); border-bottom: 1px solid var(--color-border); }
.breadcrumb-inner { max-width: var(--max-width); margin: 0 auto; padding: 8px 20px; font-size: 0.8rem; color: var(--color-text-muted); }
.breadcrumb-inner a { color: var(--color-text-muted); }
.breadcrumb-inner span { margin: 0 6px; }

/* ===== CARDS ===== */
.post-card { background: var(--color-white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border); transition: box-shadow var(--transition), transform var(--transition); }
.post-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); transform: translateY(-2px); }
.post-card__thumb { aspect-ratio: 16/9; overflow: hidden; }
.post-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.post-card:hover .post-card__thumb img { transform: scale(1.04); }
.post-card__body { padding: 16px; }
.post-card__cat { display: inline-block; background: var(--color-primary); color: var(--color-white); font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; padding: 3px 8px; border-radius: 3px; margin-bottom: 8px; }
.post-card__title { font-family: var(--font-heading); font-size: 1rem; font-weight: 700; line-height: 1.4; color: var(--color-text); margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card__title a { color: inherit; }
.post-card__title a:hover { color: var(--color-primary); text-decoration: none; }
.post-card__meta { font-size: 0.75rem; color: var(--color-text-muted); display: flex; gap: 10px; flex-wrap: wrap; }
.post-card__excerpt { font-size: 0.875rem; color: var(--color-text-muted); margin: 8px 0 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ===== HOME — FEATURED ===== */
.featured-post { background: var(--color-white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border); display: grid; grid-template-columns: 1.4fr 1fr; gap: 0; margin-bottom: 28px; }
.featured-post__thumb { aspect-ratio: 4/3; overflow: hidden; }
.featured-post__thumb img { width: 100%; height: 100%; object-fit: cover; }
.featured-post__body { padding: 28px 24px; display: flex; flex-direction: column; justify-content: center; }
.featured-post__title { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 800; line-height: 1.3; margin-bottom: 12px; }
.featured-post__title a { color: var(--color-text); }
.featured-post__title a:hover { color: var(--color-primary); text-decoration: none; }
.featured-post__excerpt { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 16px; }
@media (max-width: 640px) { .featured-post { grid-template-columns: 1fr; } }

/* ===== ARCHIVE GRID ===== */
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 900px) { .posts-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .posts-grid { grid-template-columns: 1fr; } }

/* ===== SECTION HEADING ===== */
.section-heading { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 800; color: var(--color-text); border-left: 4px solid var(--color-primary); padding-left: 12px; margin-bottom: 20px; }

/* ===== SINGLE POST ===== */
.single-post-wrap { background: var(--color-white); border-radius: var(--radius); border: 1px solid var(--color-border); padding: 32px; }
.entry-header { margin-bottom: 24px; }
.entry-category { display: inline-block; background: var(--color-primary); color: var(--color-white); font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding: 4px 10px; border-radius: 3px; margin-bottom: 12px; }
.entry-title { font-family: var(--font-heading); font-size: 2rem; font-weight: 800; line-height: 1.3; color: var(--color-text); margin-bottom: 16px; }
.entry-meta { font-size: 0.8rem; color: var(--color-text-muted); display: flex; gap: 16px; flex-wrap: wrap; padding-bottom: 16px; border-bottom: 1px solid var(--color-border); }
.entry-meta a { color: var(--color-text-muted); }
.featured-image-wrap { margin: 20px 0; border-radius: var(--radius); overflow: hidden; }
.featured-image-wrap img { width: 100%; max-height: 480px; object-fit: cover; }
.entry-content { font-size: 1rem; line-height: 1.85; }
.entry-content h2 { font-family: var(--font-heading); font-size: 1.4rem; font-weight: 700; margin: 28px 0 12px; }
.entry-content h3 { font-family: var(--font-heading); font-size: 1.15rem; font-weight: 700; margin: 22px 0 10px; }
.entry-content p { margin-bottom: 1.2em; }
.entry-content ul, .entry-content ol { padding-left: 1.5em; margin-bottom: 1.2em; }
.entry-content blockquote { border-left: 4px solid var(--color-primary); margin: 24px 0; padding: 12px 20px; background: #fdf5f6; font-style: italic; color: var(--color-text-muted); border-radius: 0 var(--radius) var(--radius) 0; }
.entry-content img { border-radius: var(--radius); margin: 12px 0; }
.entry-tags { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--color-border); display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.entry-tags .label { font-size: 0.8rem; font-weight: 600; color: var(--color-text-muted); }
.tag-link { font-size: 0.78rem; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 20px; padding: 4px 12px; color: var(--color-text-muted); transition: all var(--transition); }
.tag-link:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }

/* ===== SHARE ===== */
.share-box { margin-top: 24px; padding: 16px 20px; background: var(--color-bg); border-radius: var(--radius); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.share-box .label { font-size: 0.875rem; font-weight: 600; }
.share-btn { display: inline-flex; align-items: center; gap: 6px; font-size: 0.8rem; font-weight: 600; padding: 7px 14px; border-radius: var(--radius); cursor: pointer; border: none; transition: opacity var(--transition); }
.share-btn:hover { opacity: 0.85; text-decoration: none; }
.share-btn.fb { background: #1877f2; color: #fff; }
.share-btn.zalo { background: #0068ff; color: #fff; }
.share-btn.copy { background: var(--color-white); border: 1px solid var(--color-border); color: var(--color-text); }

/* ===== RELATED ===== */
.related-posts { margin-top: 32px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 640px) { .related-grid { grid-template-columns: 1fr; } }

/* ===== SIDEBAR ===== */
.widget { background: var(--color-white); border-radius: var(--radius); border: 1px solid var(--color-border); padding: 20px; margin-bottom: 20px; }
.widget-title { font-family: var(--font-heading); font-size: 0.95rem; font-weight: 800; border-left: 3px solid var(--color-primary); padding-left: 10px; margin-bottom: 16px; }
.widget ul { list-style: none; }
.widget ul li { padding: 8px 0; border-bottom: 1px solid var(--color-border); font-size: 0.875rem; }
.widget ul li:last-child { border-bottom: none; }
.widget ul li a { color: var(--color-text); }
.widget ul li a:hover { color: var(--color-primary); }

/* ===== PAGINATION ===== */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 32px; flex-wrap: wrap; }
.page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 36px; height: 36px; padding: 0 10px; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 0.875rem; color: var(--color-text); background: var(--color-white); transition: all var(--transition); }
.page-numbers:hover, .page-numbers.current { background: var(--color-primary); color: var(--color-white); border-color: var(--color-primary); text-decoration: none; }

/* ===== SEARCH ===== */
.search-form { display: flex; gap: 0; align-items: stretch; }
.search-form input[type="search"] { flex: 1; border: 1.5px solid var(--color-border); border-right: none; border-radius: var(--radius) 0 0 var(--radius); padding: 10px 14px; font-size: 0.875rem; outline: none; transition: border-color var(--transition); height: 42px; box-sizing: border-box; min-width: 0; }
.search-form input[type="search"]:focus { border-color: var(--color-primary); }
.search-form button { background: var(--color-primary); color: var(--color-white); border: none; border-radius: 0 var(--radius) var(--radius) 0; padding: 0 18px; cursor: pointer; font-weight: 700; font-size: 0.875rem; height: 42px; white-space: nowrap; flex-shrink: 0; transition: background var(--transition); }
.search-form button:hover { background: var(--color-primary-dark); }

/* ===== 404 ===== */
.error-404-wrap { text-align: center; padding: 80px 20px; background: var(--color-white); border-radius: var(--radius); border: 1px solid var(--color-border); }
.error-404-wrap .error-code { font-size: 6rem; font-weight: 900; color: var(--color-primary); line-height: 1; font-family: var(--font-heading); }
.error-404-wrap h2 { font-family: var(--font-heading); font-size: 1.5rem; margin: 12px 0 8px; }
.error-404-wrap p { color: var(--color-text-muted); margin-bottom: 24px; }
.btn-home { display: inline-block; background: var(--color-primary); color: var(--color-white); padding: 10px 24px; border-radius: var(--radius); font-weight: 700; font-size: 0.875rem; }
.btn-home:hover { background: var(--color-primary-dark); text-decoration: none; color: var(--color-white); }

/* ===== FOOTER ===== */
.site-footer { background: #111; color: #ccc; margin-top: 40px; }
.footer-top { max-width: var(--max-width); margin: 0 auto; padding: 40px 20px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; }
.footer-brand .footer-title { font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800; color: var(--color-primary); margin-bottom: 8px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; color: #888; }
.footer-col h4 { font-family: var(--font-heading); font-size: 0.875rem; font-weight: 700; color: #fff; margin-bottom: 14px; text-transform: uppercase; letter-spacing: .05em; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: #888; font-size: 0.85rem; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--color-primary); text-decoration: none; }
.footer-bottom { border-top: 1px solid #222; padding: 16px 20px; max-width: var(--max-width); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; color: #555; }
@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}

/* ===== UTILITY ===== */
.screen-reader-text { clip: rect(1px,1px,1px,1px); height: 1px; overflow: hidden; position: absolute; width: 1px; word-wrap: normal; }

/* ===== WIDGET: MOST VIEWED ===== */
.most-viewed-list { list-style: none; padding: 0; margin: 0; }
.most-viewed-list li { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--color-border); }
.most-viewed-list li:last-child { border-bottom: none; }
.mv-num { flex-shrink: 0; width: 24px; height: 24px; background: var(--color-primary); color: #fff; font-size: 0.75rem; font-weight: 800; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); margin-top: 2px; }
.most-viewed-list li:nth-child(1) .mv-num { background: #e8a000; }
.most-viewed-list li:nth-child(2) .mv-num { background: #888; }
.most-viewed-list li:nth-child(3) .mv-num { background: #a05c2c; }
.mv-body { flex: 1; min-width: 0; }
.mv-title { font-size: 0.85rem; font-weight: 600; color: var(--color-text); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mv-title:hover { color: var(--color-primary); text-decoration: none; }
.mv-views { font-size: 0.72rem; color: var(--color-text-muted); margin-top: 3px; display: block; }

/* ===== SECTION TIN THEO DANH MỤC ===== */
.cat-section { margin-top: 36px; }
.cat-section__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; border-bottom: 2px solid var(--color-primary); padding-bottom: 10px; }
.cat-section__title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 800; margin: 0; }
.cat-section__title a { color: var(--color-text); }
.cat-section__title a:hover { color: var(--color-primary); text-decoration: none; }
.cat-section__more { font-size: 0.8rem; font-weight: 600; color: var(--color-primary); white-space: nowrap; }
.cat-section__more:hover { text-decoration: underline; }

.cat-section__grid { display: grid; grid-template-columns: 1.6fr 1fr; grid-template-rows: auto auto; gap: 12px; }
.cat-section__lead { grid-row: 1 / 3; }
.cat-section__side { grid-column: 2; }

/* Horizontal card (sidebar items) */
.post-card--horizontal { display: flex; flex-direction: row; gap: 0; }
.post-card--horizontal .post-card__thumb--sm { width: 90px; flex-shrink: 0; aspect-ratio: 1/1; }
.post-card--horizontal .post-card__thumb--sm img { width: 100%; height: 100%; object-fit: cover; }
.post-card--horizontal .post-card__body { padding: 10px 12px; }
.post-card__title--lg { font-size: 1.05rem; -webkit-line-clamp: 3; }
.post-card__title--sm { font-size: 0.85rem; -webkit-line-clamp: 2; }

@media (max-width: 640px) {
  .cat-section__grid { grid-template-columns: 1fr; }
  .cat-section__lead { grid-row: auto; }
  .cat-section__side { grid-column: 1; }
}

/* ===== CAT SECTION: 1 CHÍNH + 3 PHỤ ===== */
.cat-section { margin-top: 36px; }
.cat-section__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; border-bottom: 2px solid var(--color-primary); padding-bottom: 10px; }
.cat-section__title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 800; margin: 0; }
.cat-section__title a { color: var(--color-text); }
.cat-section__title a:hover { color: var(--color-primary); text-decoration: none; }
.cat-section__more { font-size: 0.8rem; font-weight: 600; color: var(--color-primary); }
.cat-section__more:hover { text-decoration: underline; }

.cat-section__grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 16px; align-items: start; }
.cat-section__lead { height: 100%; }
.cat-section__sides { display: flex; flex-direction: column; gap: 10px; }

/* Horizontal card */
.post-card--horizontal { display: flex; flex-direction: row; gap: 0; }
.post-card__thumb--sm { width: 96px; min-width: 96px; aspect-ratio: 4/3; overflow: hidden; }
.post-card__thumb--sm img { width: 100%; height: 100%; object-fit: cover; }
.post-card--horizontal .post-card__body { padding: 10px 12px; }
.post-card__title--lg { font-size: 1.05rem; -webkit-line-clamp: 3; }
.post-card__title--sm { font-size: 0.85rem; -webkit-line-clamp: 2; margin-bottom: 4px; }

@media (max-width: 640px) {
  .cat-section__grid { grid-template-columns: 1fr; }
}

/* ===== TABLE ===== */
.entry-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 0.9rem; border-radius: var(--radius); overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,.06); }
.entry-content thead tr { background: var(--color-primary); color: #fff; }
.entry-content thead th { padding: 12px 16px; text-align: left; font-family: var(--font-heading); font-weight: 700; font-size: 0.85rem; letter-spacing: .02em; color: #fff; }
.entry-content tbody tr:first-child { background: var(--color-primary) !important; color: #fff; }
.entry-content tbody tr:first-child td { font-family: var(--font-heading); font-weight: 700; font-size: 0.85rem; letter-spacing: .02em; color: #fff !important; }
.entry-content tbody tr { background: var(--color-white); border-bottom: 1px solid var(--color-border); transition: background var(--transition); }
.entry-content tbody tr:last-child { border-bottom: none; }
.entry-content tbody tr:nth-child(even):not(:first-child) { background: #fafafa; }
.entry-content tbody tr:not(:first-child):hover { background: #fdf5f6; }
.entry-content td { padding: 11px 16px; vertical-align: top; line-height: 1.6; }
.entry-content tbody tr:not(:first-child) td:first-child { font-weight: 600; color: var(--color-primary); }