/*
Theme Name: XayNhaMoi
Theme URI: https://xaynhamoi.com
Author: XayNhaMoi Team
Description: Theme chia sẻ kiến thức xây nhà - XAYNHAMOI.COM
Version: 1.0.0
Tags: construction, blog, magazine, orange, responsive
Text Domain: xaynhamoi
*/

/* ===== CSS VARIABLES ===== */
:root {
  --primary: #F97316;
  --primary-dark: #EA6A00;
  --primary-light: #FFF7ED;
  --secondary: #1A1A1A;
  --text: #333333;
  --text-muted: #777777;
  --border: #E5E7EB;
  --bg: #FFFFFF;
  --bg-gray: #F8F9FA;
  --sidebar-bg: #FFFFFF;
  --font-main: 'Be Vietnam Pro', 'Segoe UI', Arial, sans-serif;
  --radius: 8px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-hover: 0 6px 24px rgba(0,0,0,0.13);
  --transition: 0.22s cubic-bezier(.4,0,.2,1);
  --header-h: 70px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-main);
  font-size: 15px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  color: var(--secondary);
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== TOP BAR ===== */
.topbar {
  background: #1A1A1A;
  color: #ccc;
  font-size: 12.5px;
  padding: 7px 0;
  border-bottom: 1px solid #333;
}
.topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.topbar-left {
  display: flex;
  align-items: center;
  gap: 18px;
}
.topbar-date {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #aaa;
}
.topbar-links {
  display: flex;
  gap: 14px;
}
.topbar-links a { color: #bbb; transition: color var(--transition); }
.topbar-links a:hover { color: var(--primary); }
.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.topbar-social {
  display: flex;
  gap: 10px;
}
.topbar-social a {
  color: #bbb;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
  transition: all var(--transition);
}
.topbar-social a:hover { color: var(--primary); }

/* ===== HEADER ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}
.header-inner {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: 32px;
}
.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  width: 44px; height: 44px;
  background: var(--primary);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.logo-icon svg { width: 26px; height: 26px; }
.logo-text .site-name {
  font-size: 20px;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -0.5px;
  line-height: 1;
}
.logo-text .site-name span { color: var(--primary); }
.logo-text .site-tagline {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1;
  margin-top: 2px;
}

/* ===== MAIN NAV ===== */
.main-nav { flex: 1; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-item { position: relative; }
.nav-link {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--secondary);
  border-radius: 6px;
  transition: all var(--transition);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.nav-link:hover,
.nav-item.current-menu-item > .nav-link {
  color: var(--primary);
  background: var(--primary-light);
}
.nav-item.active > .nav-link {
  color: var(--primary);
}
.nav-link .caret {
  width: 14px; height: 14px;
  transition: transform var(--transition);
}
.nav-item:hover > .nav-link .caret { transform: rotate(180deg); }

/* ===== MEGA MENU ===== */
.mega-menu {
  position: absolute;
  top: calc(100% + 1px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid var(--border);
  border-top: 2px solid var(--primary);
  border-radius: 0 0 12px 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.14);
  width: min(980px, 96vw);
  padding: 24px 28px;
  display: none;
  grid-template-columns: 260px 220px 200px 240px;
  gap: 24px;
  z-index: 1000;
}
.nav-item:hover .mega-menu { display: grid; }

.mega-col-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--primary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  margin-bottom: 12px;
}
.mega-menu-list { display: flex; flex-direction: column; gap: 2px; }
.mega-menu-list a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
  padding: 7px 8px;
  border-radius: 6px;
  transition: all var(--transition);
  line-height: 1.3;
}
.mega-menu-list a:hover { background: var(--primary-light); color: var(--primary); }
.mega-menu-list a .icon {
  width: 28px; height: 28px;
  background: var(--primary-light);
  border-radius: 5px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 1px;
}
.mega-menu-list a .icon svg { width: 13px; height: 13px; }
.mega-menu-list .item-text { display: flex; flex-direction: column; }
.mega-menu-list .item-sub { font-size: 11px; color: var(--text-muted); margin-top: 1px; }

/* Featured articles in mega */
.mega-articles { display: flex; flex-direction: column; gap: 10px; max-height: 420px; overflow-y: auto; }
.mega-article {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.mega-article:last-child { border-bottom: none; padding-bottom: 0; }
.mega-article img { width: 64px; height: 48px; border-radius: 5px; object-fit: cover; flex-shrink: 0; }
.mega-article-info { min-width: 0; }
.mega-article-info .title { font-size: 13px; font-weight: 600; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.mega-article-info .date { font-size: 11px; color: var(--text-muted); margin-top: 3px; }

/* Mega CTA box */
.mega-cta-box {
  background: #1A1A1A;
  border-radius: 12px;
  padding: 20px;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mega-cta-box img { border-radius: 8px; width: 100%; height: 120px; object-fit: cover; }
.mega-cta-box .cta-title { font-size: 15px; font-weight: 700; }
.mega-cta-box .cta-desc { font-size: 12px; color: #ccc; line-height: 1.5; }
.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  transition: background var(--transition);
}
.btn-cta:hover { background: var(--primary-dark); color: #fff; }

/* Simple dropdown */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 1px);
  left: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.12);
  min-width: 200px;
  padding: 10px 0;
  display: none;
  z-index: 1000;
}
.nav-item:hover .dropdown-menu { display: block; }
.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  font-size: 13.5px;
  color: var(--text);
  transition: all var(--transition);
}
.dropdown-menu a:hover { background: var(--primary-light); color: var(--primary); }

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.btn-icon {
  width: 38px; height: 38px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--secondary);
  transition: all var(--transition);
}
.btn-icon:hover { background: var(--primary-light); color: var(--primary); }
.btn-icon svg { width: 20px; height: 20px; }

/* Hamburger */
.hamburger { display: none; }

/* ===== BREADCRUMB ===== */
.breadcrumb {
  padding: 12px 0;
  font-size: 13px;
  color: var(--text-muted);
}
.breadcrumb ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.breadcrumb li:not(:last-child)::after { content: "›"; margin-left: 6px; color: #bbb; }
.breadcrumb a { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb li:last-child { color: var(--text); font-weight: 500; }

/* ===== HERO SLIDER ===== */
.hero-slider-wrap { position: relative; overflow: hidden; border-radius: 12px; }
.hero-slides { display: flex; transition: transform 0.5s ease; }
.hero-slide {
  min-width: 100%;
  position: relative;
  border-radius: 12px;
  overflow: hidden;
}
.hero-slide img { width: 100%; height: 420px; object-fit: cover; object-position: center; }
.hero-slide-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.80) 0%, rgba(0,0,0,0.55) 45%, rgba(0,0,0,0.15) 75%, transparent 100%);
  display: flex;
  align-items: center;
  padding: 40px 48px;
}
.hero-slide-content { color: #fff; max-width: 520px; }
.hero-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}
.hero-slide-content h2 {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 14px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.hero-slide-content p {
  font-size: 14.5px;
  color: rgba(255,255,255,0.88);
  margin-bottom: 22px;
  line-height: 1.6;
}
.hero-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: rgba(255,255,255,0.75); }
.hero-meta svg { width: 15px; height: 15px; }
.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.5);
  color: #fff;
  padding: 11px 22px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  backdrop-filter: blur(4px);
  transition: all var(--transition);
  margin-top: 12px;
}
.btn-hero:hover { background: rgba(255,255,255,0.28); color: #fff; }

/* Slider nav */
.slider-btn {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  z-index: 10;
  width: 42px; height: 42px;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  transition: all var(--transition);
  border: 1px solid rgba(255,255,255,0.3);
}
.slider-btn:hover { background: rgba(255,255,255,0.38); }
.slider-btn.prev { left: 16px; }
.slider-btn.next { right: 16px; }
.slider-btn svg { width: 20px; height: 20px; }

.slider-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 7px;
}
.slider-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  transition: all var(--transition);
}
.slider-dot.active { background: var(--primary); width: 22px; border-radius: 4px; }

/* ===== CATEGORY QUICK ICONS ===== */
.category-icons {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  margin: 20px 0;
}
.cat-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 18px 10px;
  border-right: 1px solid var(--border);
  transition: all var(--transition);
  text-align: center;
}
.cat-icon-item:last-child { border-right: none; }
.cat-icon-item:hover { background: var(--primary-light); }
.cat-icon-item:hover .cat-icon-box { background: var(--primary); color: #fff; }
.cat-icon-box {
  width: 44px; height: 44px;
  background: var(--primary-light);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  transition: all var(--transition);
}
.cat-icon-box svg { width: 22px; height: 22px; }
.cat-icon-item .name { font-size: 12.5px; font-weight: 600; color: var(--secondary); line-height: 1.3; }
.cat-icon-item .sub { font-size: 11px; color: var(--text-muted); }

/* ===== SECTION HEADER ===== */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.section-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 22px;
  background: var(--primary);
  border-radius: 2px;
}
.view-all {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary);
  transition: gap var(--transition);
}
.view-all:hover { gap: 8px; color: var(--primary); }
.view-all svg { width: 15px; height: 15px; }

/* ===== POST CARDS ===== */
/* Large card */
.post-card-large {
  display: flex;
  flex-direction: column;
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.post-card-large:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.post-card-large .card-img { position: relative; overflow: hidden; }
.post-card-large .card-img img { width: 100%; height: 220px; object-fit: cover; transition: transform 0.4s ease; }
.post-card-large:hover .card-img img { transform: scale(1.05); }
.post-card-large .card-body { padding: 16px; }
.post-card-large .card-title { font-size: 15px; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.post-card-large .card-title:hover { color: var(--primary); }
.post-card-large .card-desc { font-size: 13px; color: var(--text-muted); line-height: 1.6; margin-bottom: 10px; }

/* List card */
.post-card-list {
  display: flex;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.post-card-list:last-child { border-bottom: none; }
.post-card-list .card-img { flex-shrink: 0; position: relative; }
.post-card-list .card-img img { width: 110px; height: 78px; border-radius: 6px; object-fit: cover; }
.post-card-list .card-body { flex: 1; min-width: 0; }
.post-card-list .card-title { font-size: 14px; font-weight: 600; line-height: 1.4; margin-bottom: 5px; }
.post-card-list .card-title:hover { color: var(--primary); }
.post-card-list .card-desc { font-size: 12.5px; color: var(--text-muted); line-height: 1.5; margin-bottom: 6px; }

/* Post meta */
.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-muted);
}
.post-meta > span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.post-meta svg { width: 13px; height: 13px; }
.post-category-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 4px;
  letter-spacing: 0.3px;
  position: absolute;
  bottom: 10px;
  left: 10px;
}

/* ===== NEWS GRID ===== */
.news-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.news-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

/* Small list items (below grid) */
.mini-post-list { display: flex; flex-direction: column; }
.mini-post {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.mini-post:last-child { border-bottom: none; }
.mini-post img { width: 78px; height: 56px; border-radius: 5px; object-fit: cover; flex-shrink: 0; }
.mini-post .title { font-size: 13px; font-weight: 600; line-height: 1.4; }
.mini-post .title:hover { color: var(--primary); }
.mini-post .meta { font-size: 11.5px; color: var(--text-muted); margin-top: 3px; }
.mini-post-badge {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 0.3px;
}

/* ===== TOPICS SECTION ===== */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.topic-card {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 3/2;
}
.topic-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.topic-card:hover img { transform: scale(1.06); }
.topic-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.72) 0%, transparent 55%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 14px;
  color: #fff;
}
.topic-card-overlay .name { font-size: 14px; font-weight: 700; }
.topic-card-overlay .count { font-size: 12px; color: rgba(255,255,255,0.75); }

/* ===== VIDEO SECTION ===== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.video-card {
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.video-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.video-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.video-card:hover .video-thumb img { transform: scale(1.05); }
.video-play-btn {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.88);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--primary);
  transition: all var(--transition);
}
.video-card:hover .video-play-btn { background: var(--primary); color: #fff; }
.video-play-btn svg { width: 18px; height: 18px; margin-left: 2px; }
.video-duration {
  position: absolute;
  bottom: 6px; right: 8px;
  background: rgba(0,0,0,0.72);
  color: #fff;
  font-size: 11.5px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 3px;
}
.video-info { padding: 12px; }
.video-info .title { font-size: 13px; font-weight: 600; line-height: 1.4; margin-bottom: 6px; }
.video-info .title:hover { color: var(--primary); }
.video-info .meta { font-size: 11.5px; color: var(--text-muted); display: flex; align-items: center; gap: 10px; }

/* ===== NEWSLETTER ===== */
.newsletter-section {
  background: #F97316;
  color: #fff;
  padding: 28px 32px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 24px;
  margin: 32px 0;
}
.newsletter-icon {
  width: 52px; height: 52px;
  background: rgba(255,255,255,0.2);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.newsletter-icon svg { width: 26px; height: 26px; }
.newsletter-text .title { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.newsletter-text .desc { font-size: 13px; opacity: 0.88; }
.newsletter-form {
  display: flex;
  gap: 10px;
  flex: 1;
  max-width: 400px;
  margin-left: auto;
}
.newsletter-form input {
  flex: 1;
  padding: 10px 16px;
  border-radius: 6px;
  border: none;
  font-size: 14px;
  outline: none;
}
.newsletter-form input::placeholder { color: #bbb; }
.btn-newsletter {
  background: #1A1A1A;
  color: #fff;
  padding: 10px 22px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: background var(--transition);
  border: none;
  cursor: pointer;
}
.btn-newsletter:hover { background: #333; }

/* ===== LAYOUT: CONTENT + SIDEBAR ===== */
.content-sidebar-wrap {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 36px;
  padding: 28px 0;
}
.main-content { min-width: 0; }

/* ===== SIDEBAR ===== */
.sidebar { position: relative; }
.sidebar-widget {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 24px;
}
.widget-title {
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--secondary);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-list { display: flex; flex-direction: column; gap: 2px; }
.sidebar-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition);
}
.sidebar-list a:last-child { border-bottom: none; }
.sidebar-list a:hover { color: var(--primary); }
.sidebar-list .count {
  background: var(--primary-light);
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
}
.sidebar-list .sidebar-cat-dot {
  width: 8px; height: 8px;
  background: var(--primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 8px;
}
.sidebar-cat-item {
  display: flex;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  transition: color var(--transition);
  cursor: pointer;
}
.sidebar-cat-item:last-child { border-bottom: none; }
.sidebar-cat-item:hover { color: var(--primary); }

.sidebar-post-list { display: flex; flex-direction: column; gap: 12px; }
.sidebar-post {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.sidebar-post img { width: 68px; height: 50px; border-radius: 5px; object-fit: cover; flex-shrink: 0; }
.sidebar-post .s-title { font-size: 13px; font-weight: 600; line-height: 1.4; }
.sidebar-post .s-title:hover { color: var(--primary); }
.sidebar-post .s-date { font-size: 11.5px; color: var(--text-muted); margin-top: 3px; }

/* Tags cloud */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 7px; }
.tag {
  background: var(--bg-gray);
  border: 1px solid var(--border);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12.5px;
  color: var(--text);
  transition: all var(--transition);
}
.tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* CTA Sidebar box */
.sidebar-cta {
  background: #1A1A1A;
  border-radius: 10px;
  padding: 20px;
  color: #fff;
  text-align: center;
}
.sidebar-cta img { border-radius: 8px; margin-bottom: 14px; }
.sidebar-cta .title { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.sidebar-cta ul { text-align: left; display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.sidebar-cta ul li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #ccc;
}
.sidebar-cta ul li svg { color: var(--primary); flex-shrink: 0; }

/* ===== CATEGORY PAGE BANNER ===== */
.category-banner {
  background: var(--bg-gray);
  border-radius: 12px;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 24px;
  border: 1px solid var(--border);
}
.category-banner-text .cat-label { font-size: 12px; text-transform: uppercase; color: var(--text-muted); font-weight: 600; letter-spacing: 0.5px; margin-bottom: 6px; }
.category-banner-text h1 { font-size: 26px; font-weight: 800; margin-bottom: 10px; }
.category-banner-text .desc { font-size: 14px; color: var(--text-muted); line-height: 1.6; max-width: 480px; }
.category-banner-text .count {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}
.category-banner-img { width: 220px; height: 140px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }

/* ===== FILTER BAR ===== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.filter-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  flex: 1;
}
.filter-tab {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-gray);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.filter-tab:hover, .filter-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.filter-sort-select {
  display: flex;
  align-items: center;
  gap: 8px;
}
.select-box {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13.5px;
  cursor: pointer;
  background: #fff;
  color: var(--text);
}
.select-box svg { width: 14px; color: var(--text-muted); }
.btn-filter {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13.5px;
  background: #fff;
  cursor: pointer;
  transition: all var(--transition);
}
.btn-filter:hover { border-color: var(--primary); color: var(--primary); }

/* ===== SINGLE POST ===== */
.single-header { margin-bottom: 24px; }
.single-category-badge {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 5px;
  margin-bottom: 14px;
}
.single-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  color: var(--secondary);
}
.single-meta-bar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
  flex-wrap: wrap;
}
.author-info { display: flex; align-items: center; gap: 8px; }
.author-avatar { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; }
.author-name { font-size: 13.5px; font-weight: 600; }
.author-verified { color: var(--primary); width: 14px; height: 14px; }
.single-meta-bar .meta-item {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  color: var(--text-muted);
}
.single-meta-bar svg { width: 14px; height: 14px; }
.save-btn {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: color var(--transition);
}
.save-btn:hover { color: var(--primary); }

/* Share & font size */
.single-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}
.share-row { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); }
.share-row span { font-weight: 500; }
.share-btn {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
  text-decoration: none;
}
.share-btn.fb { background: #1877F2; color: #fff; }
.share-btn.zalo { background: #0068FF; color: #fff; }
.share-btn.mess { background: #0099FF; color: #fff; }
.share-btn.link { background: var(--bg-gray); color: var(--text); border: 1px solid var(--border); }
.font-size-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}
.font-size-controls .label { font-weight: 500; }
.font-size-btn {
  width: 28px; height: 28px;
  border-radius: 5px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  background: #fff;
  font-size: 14px;
  font-weight: 600;
}
.font-size-btn:hover { border-color: var(--primary); color: var(--primary); }

/* Featured image */
.post-featured-image { border-radius: 10px; overflow: hidden; margin-bottom: 22px; }
.post-featured-image img { width: 100%; height: auto; }
.post-featured-image figcaption { font-size: 12.5px; color: var(--text-muted); text-align: center; padding: 8px 0; }

/* Table of Contents */
.toc-box {
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px 20px;
  margin: 24px 0;
}
.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.toc-title { font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.4px; }
.toc-title-bar {
  width: 32px; height: 2.5px;
  background: var(--primary);
  margin-top: 5px;
  margin-bottom: 10px;
}
.toc-toggle { font-size: 13px; color: var(--primary); cursor: pointer; display: flex; align-items: center; gap: 4px; }
.toc-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 20px;
}
.toc-list li a {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 13px;
  color: var(--text);
  padding: 4px 0;
  transition: color var(--transition);
}
.toc-list li a:hover { color: var(--primary); }
.toc-list li a .toc-num {
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
  min-width: 18px;
}

/* Post content */
.post-content {
  font-size: 15.5px;
  line-height: 1.8;
  color: #2a2a2a;
}
.post-content h2 { font-size: 22px; font-weight: 800; margin: 32px 0 14px; padding-bottom: 8px; border-bottom: 2px solid var(--border); }
.post-content h3 { font-size: 18px; font-weight: 700; margin: 24px 0 10px; }
.post-content p { margin-bottom: 16px; }
.post-content img { border-radius: 8px; margin: 18px 0; }
.post-content ul, .post-content ol { margin: 14px 0 14px 24px; }
.post-content li { margin-bottom: 7px; }
.post-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 22px 0;
  font-size: 15px;
  color: #555;
}
.post-content a { color: var(--primary); text-decoration: underline; }

/* Tip/Note box */
.tip-box {
  background: var(--primary-light);
  border-radius: 8px;
  padding: 14px 18px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 18px 0;
}
.tip-box .tip-icon { color: var(--primary); flex-shrink: 0; margin-top: 2px; }
.tip-box .tip-icon svg { width: 18px; height: 18px; }
.tip-box .tip-text { font-size: 13.5px; color: #555; }
.tip-box .tip-text strong { color: var(--secondary); }

/* Notice/Alert box */
.notice-box {
  background: #EFF6FF;
  border: 1px solid #BFDBFE;
  border-radius: 8px;
  padding: 13px 18px;
  font-size: 13.5px;
  color: #1E40AF;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 18px 0;
}

/* Post tags */
.post-tags { margin: 28px 0; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.post-tags .label { font-size: 13px; font-weight: 600; text-transform: uppercase; color: var(--text-muted); flex-shrink: 0; }

/* Author box */
.author-box {
  background: var(--bg-gray);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin: 28px 0;
}
.author-box img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.author-box-name { font-size: 15px; font-weight: 700; margin-bottom: 5px; }
.author-box-bio { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; margin-bottom: 10px; }
.author-box-social { display: flex; gap: 10px; }
.author-box-social a {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text);
  transition: all var(--transition);
}
.author-box-social a:hover { background: var(--primary); color: #fff; }

/* Post navigation */
.post-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 28px 0;
}
.post-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--bg-gray);
  border-radius: 8px;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.post-nav-item:hover { border-color: var(--primary); background: var(--primary-light); }
.post-nav-item.next { flex-direction: row-reverse; text-align: right; }
.post-nav-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); font-weight: 600; margin-bottom: 4px; }
.post-nav-title { font-size: 13.5px; font-weight: 600; }
.post-nav-item svg { color: var(--primary); width: 18px; height: 18px; flex-shrink: 0; }

/* Bottom action bar (single post) */
.post-actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 24px 0;
}
.action-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 16px;
  border-radius: 7px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.action-btn:hover { background: var(--primary-light); color: var(--primary); }
.action-btn svg { width: 18px; height: 18px; }
.action-btn.liked { color: var(--primary); }

/* ===== COMMENTS ===== */
.comments-section { margin: 28px 0; }
.comments-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.comments-title { font-size: 18px; font-weight: 700; }
.comments-sort { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.comment {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.comment:last-child { border-bottom: none; }
.comment img { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.comment-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; }
.comment-name { font-size: 13.5px; font-weight: 700; }
.comment-time { font-size: 12px; color: var(--text-muted); }
.comment-text { font-size: 13.5px; line-height: 1.6; }
.comment-actions { display: flex; gap: 12px; margin-top: 8px; }
.comment-action {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12.5px;
  color: var(--text-muted);
  cursor: pointer;
}
.comment-action:hover { color: var(--primary); }
.comment-action svg { width: 14px; }

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: 32px 0;
  flex-wrap: wrap;
}
.page-btn {
  width: 38px; height: 38px;
  border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text);
}
.page-btn:hover, .page-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.page-next-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 16px;
  height: 38px;
  border-radius: 7px;
  font-size: 13.5px;
  font-weight: 600;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text);
}
.page-next-btn:hover { border-color: var(--primary); color: var(--primary); }

/* ===== SEARCH PAGE ===== */
.search-result-header { margin-bottom: 24px; }
.search-result-header .kw { color: var(--primary); }
.search-result-header .count { font-size: 14px; color: var(--text-muted); margin-top: 4px; }
.search-bar-large {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.search-input-wrap {
  flex: 1;
  position: relative;
}
.search-input-wrap .search-icon {
  position: absolute;
  left: 14px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}
.search-input-wrap svg { width: 17px; }
.search-input-large {
  width: 100%;
  padding: 12px 42px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  outline: none;
  transition: border-color var(--transition);
  font-family: var(--font-main);
  background: #fff;
}
.search-input-large:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(249,115,22,0.12); }
.search-clear {
  position: absolute;
  right: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  cursor: pointer;
}
.btn-search {
  background: var(--primary);
  color: #fff;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: background var(--transition);
  white-space: nowrap;
}
.btn-search:hover { background: var(--primary-dark); }

/* Search filters tabs */
.search-type-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: center;
}
.type-tab {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13.5px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--text);
}
.type-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.type-tab:hover:not(.active) { border-color: var(--primary); color: var(--primary); }

/* ===== FOOTER ===== */
.site-footer {
  background: #111;
  color: #ccc;
  margin-top: 48px;
}
.footer-top {
  padding: 48px 0 36px;
  display: grid;
  grid-template-columns: 300px 1fr 1fr 1fr 200px;
  gap: 40px;
  border-bottom: 1px solid #333;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand .logo-box {
  width: 40px; height: 40px;
  background: var(--primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.footer-brand .logo-name { font-size: 18px; font-weight: 800; color: #fff; }
.footer-brand .logo-name span { color: var(--primary); }
.footer-brand .tagline { font-size: 12px; color: #888; }
.footer-brand p { font-size: 13px; color: #888; line-height: 1.7; margin-bottom: 16px; }
.footer-social { display: flex; gap: 8px; }
.footer-social a {
  width: 32px; height: 32px;
  background: #222;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: #aaa;
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; }

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid #333;
}
.footer-col ul { display: flex; flex-direction: column; gap: 7px; }
.footer-col ul li a {
  font-size: 13px;
  color: #999;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}
.footer-col ul li a::before { content: '›'; color: var(--primary); }
.footer-col ul li a:hover { color: var(--primary); }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  color: #999;
  margin-bottom: 10px;
}
.footer-contact li svg { color: var(--primary); flex-shrink: 0; margin-top: 2px; }

/* Fanpage widget */
.fanpage-box {
  background: #1A1A1A;
  border-radius: 8px;
  padding: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
}
.fanpage-box img { width: 48px; height: 48px; border-radius: 6px; }
.fanpage-box .name { font-size: 13.5px; font-weight: 600; color: #fff; }
.fanpage-box .fans { font-size: 12px; color: #aaa; }
.fanpage-like-btn {
  margin-left: auto;
  background: #1877F2;
  color: #fff;
  padding: 6px 14px;
  border-radius: 5px;
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
}

.footer-bottom {
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.footer-bottom .copyright { font-size: 13px; color: #666; }
.footer-bottom-links { display: flex; gap: 16px; }
.footer-bottom-links a { font-size: 12.5px; color: #666; transition: color var(--transition); }
.footer-bottom-links a:hover { color: var(--primary); }

/* Category quick bar in footer */
.footer-cats {
  background: #181818;
  padding: 20px 0;
  border-bottom: 1px solid #222;
}
.footer-cats .container {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: nowrap;
}
.footer-cat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 0;
  border-right: 1px solid #2a2a2a;
  cursor: pointer;
  flex: 1;
  min-width: 0;
}
.footer-cat-item:last-child { border-right: none; }
.footer-cat-item .icon { color: var(--primary); }
.footer-cat-item .name { font-size: 12px; color: #aaa; }

/* ===== MOBILE NAV ===== */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1100;
  backdrop-filter: blur(2px);
}
.mobile-nav-overlay.open { display: block; }

.mobile-nav {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 300px;
  background: #fff;
  z-index: 1101;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 10;
}
.mobile-nav-logo { display: flex; align-items: center; gap: 8px; }
.mobile-nav-logo .icon { width: 34px; height: 34px; background: var(--primary); border-radius: 7px; display: flex; align-items: center; justify-content: center; color: #fff; }
.mobile-nav-logo .name { font-size: 16px; font-weight: 800; }
.mobile-nav-logo .name span { color: var(--primary); }
.mobile-nav-close { width: 32px; height: 32px; border-radius: 6px; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.mobile-nav-close:hover { background: var(--bg-gray); }

.mobile-nav-list { padding: 12px 0; flex: 1; }
.mobile-nav-item {}
.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 20px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: all var(--transition);
  border-bottom: 1px solid #F5F5F5;
}
.mobile-nav-link:hover, .mobile-nav-link.active-page { color: var(--primary); background: var(--primary-light); }
.mobile-nav-link .icon { color: var(--primary); width: 20px; height: 20px; }
.mobile-nav-link .nav-caret { margin-left: auto; transition: transform var(--transition); }
.mobile-nav-link.expanded .nav-caret { transform: rotate(180deg); }
.mobile-nav-sub { display: none; background: var(--bg-gray); padding: 8px 0; }
.mobile-nav-sub.open { display: block; }
.mobile-nav-sub a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px 10px 48px;
  font-size: 13.5px;
  color: var(--text);
  transition: all var(--transition);
  border-bottom: 1px solid #EEEEEE;
}
.mobile-nav-sub a::before { content: '•'; color: var(--primary); font-size: 16px; flex-shrink: 0; }
.mobile-nav-sub a:hover { color: var(--primary); background: #fff; }

.mobile-nav-secondary { padding: 8px 0; border-top: 1px solid var(--border); }
.mobile-nav-secondary a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px solid #F5F5F5;
}
.mobile-nav-secondary a .icon { color: var(--text-muted); width: 18px; }
.mobile-nav-secondary a:hover { color: var(--primary); }

.mobile-nav-login {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}
.mobile-nav-login img { width: 38px; height: 38px; border-radius: 50%; }
.mobile-nav-login .text .name { font-size: 14px; font-weight: 600; }
.mobile-nav-login .text .sub { font-size: 12px; color: var(--text-muted); }
.mobile-nav-login .arrow { margin-left: auto; color: var(--text-muted); }

.mobile-nav-subscribe {
  margin: 0 16px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  padding: 13px;
  border: 2px solid var(--primary);
  border-radius: 8px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: all var(--transition);
}
.mobile-nav-subscribe:hover { background: var(--primary); color: #fff; }

/* ===== MOBILE BOTTOM NAV ===== */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: #fff;
  border-top: 1px solid var(--border);
  z-index: 990;
  padding: 0;
  box-shadow: 0 -4px 16px rgba(0,0,0,0.08);
}
.mobile-bottom-nav ul {
  display: flex;
  align-items: center;
}
.mobile-bottom-nav li { flex: 1; }
.mobile-bottom-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 8px 4px 10px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  transition: all var(--transition);
}
.mobile-bottom-nav a.active, .mobile-bottom-nav a:hover { color: var(--primary); }
.mobile-bottom-nav svg { width: 22px; height: 22px; }
.mobile-bottom-nav a.active svg { stroke: var(--primary); }

/* Bottom nav active indicator */
.mobile-nav-active-dot {
  width: 4px; height: 4px;
  background: var(--primary);
  border-radius: 50%;
  margin: 0 auto -3px;
  display: none;
}
.mobile-bottom-nav a.active .mobile-nav-active-dot { display: block; }

/* ===== UTILITY CLASSES ===== */
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.section-space { padding: 28px 0; }
.divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }
.text-center { text-align: center; }
.orange { color: var(--primary); }
.bg-light { background: var(--bg-gray); }

/* ===== SEARCH MODAL (Desktop) ===== */
.search-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 2000;
  align-items: flex-start;
  justify-content: center;
  padding-top: 80px;
  backdrop-filter: blur(3px);
}
.search-modal.open { display: flex; }
.search-modal-box {
  background: #fff;
  width: 100%;
  max-width: 680px;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  overflow: hidden;
}
.search-modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}
.search-modal-header h2 { font-size: 18px; font-weight: 700; }
.search-modal-close { margin-left: auto; width: 34px; height: 34px; border-radius: 6px; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.search-modal-close:hover { background: var(--bg-gray); }
.search-modal-input-wrap {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 10px;
}
.search-modal-content { padding: 22px; max-height: 65vh; overflow-y: auto; }
.search-by-cat { margin-bottom: 22px; }
.search-by-cat-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; color: var(--text-muted); margin-bottom: 12px; }
.search-cat-chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.search-cat-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  background: var(--bg-gray);
  border-radius: 8px;
  min-width: 80px;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid var(--border);
  text-align: center;
}
.search-cat-chip:hover { background: var(--primary-light); border-color: var(--primary); }
.search-cat-chip .icon { color: var(--primary); }
.search-cat-chip .label { font-size: 12px; font-weight: 500; }
.search-history-title { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.4px; color: var(--text-muted); margin-bottom: 12px; display: flex; align-items: center; justify-content: space-between; }
.search-history-title .clear { color: var(--primary); font-size: 12.5px; cursor: pointer; text-transform: none; letter-spacing: 0; }
.search-history-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.history-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-gray);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}
.history-chip svg { width: 13px; height: 13px; color: var(--text-muted); }
.history-chip .remove { width: 14px; height: 14px; color: var(--text-muted); transition: color var(--transition); }
.history-chip .remove:hover { color: var(--primary); }
.trending-chips { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 20px; }
.trending-chip {
  display: flex;
  align-items: center;
  gap: 5px;
  background: var(--bg-gray);
  border: 1px solid var(--border);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition);
}
.trending-chip svg { color: var(--primary); width: 12px; }
.trending-chip:hover { background: var(--primary-light); border-color: var(--primary); }
.search-recent-posts { display: flex; flex-direction: column; gap: 10px; }

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 42px; height: 42px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(249,115,22,0.4);
  transition: all var(--transition);
  z-index: 900;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover { background: var(--primary-dark); }
.back-to-top svg { width: 18px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .container { max-width: 100%; }
  .news-grid-3 { grid-template-columns: 1fr 1fr; }
  .topics-grid { grid-template-columns: repeat(3, 1fr); }
  .video-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
}

@media (max-width: 992px) {
  .content-sidebar-wrap { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .category-icons { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root { --header-h: 56px; }
  .topbar { display: none; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .header-actions .btn-icon:not(.search-btn):not(.hamburger) { display: none; }
  .mobile-bottom-nav { display: block; }
  body { padding-bottom: 60px; }

  .hero-slide img { height: 260px; }
  .hero-slide-overlay { padding: 20px; }
  .hero-slide-content h2 { font-size: 18px; }
  .hero-slide-content p { display: none; }

  .news-grid-2 { grid-template-columns: 1fr; }
  .news-grid-3 { grid-template-columns: 1fr; }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .category-icons { grid-template-columns: repeat(3, 1fr); }
  .category-banner { flex-direction: column; }
  .category-banner-img { width: 100%; height: 140px; }
  .newsletter-section { flex-direction: column; gap: 16px; }
  .newsletter-form { max-width: 100%; width: 100%; }
  .footer-top { grid-template-columns: 1fr; }
  .post-nav { grid-template-columns: 1fr; }
  .single-title { font-size: 22px; }
  .toc-list { grid-template-columns: 1fr; }
  .back-to-top { bottom: 76px; }
  .search-modal { padding-top: 0; align-items: flex-end; }
  .search-modal-box { border-radius: 16px 16px 0 0; max-width: 100%; }
  .footer-cats { display: none; }
}

@media (max-width: 480px) {
  .category-icons { grid-template-columns: repeat(2, 1fr); }
  .topics-grid { grid-template-columns: 1fr 1fr; }
  .video-grid { grid-template-columns: 1fr; }
  .search-type-tabs { gap: 5px; }
  .type-tab { padding: 5px 10px; font-size: 12.5px; }
}