/*
Theme Name: KajerVisa
Theme URI: https://example.com/kajervisa
Author: Your Name
Author URI: https://example.com
Description: A premium, modern, fully customizable WordPress theme for professional publishing — perfect for visa, jobs, finance, news, education, and any niche blog. AdSense-friendly, mobile-first, and blazing fast.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
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: kajervisa
Tags: blog, news, magazine, custom-colors, custom-logo, custom-menu, featured-images, footer-widgets, full-width-template, rtl-language-support, sticky-post, theme-options, threaded-comments, translation-ready, wide-blocks
*/

/* =============================================
   CSS CUSTOM PROPERTIES (THEME VARIABLES)
   ============================================= */
:root {
  /* Primary Colors */
  --kv-primary:        #1a56db;
  --kv-primary-dark:   #1340a8;
  --kv-primary-light:  #e8f0fe;
  --kv-secondary:      #f97316;
  --kv-secondary-dark: #c2560e;

  /* Neutral Colors */
  --kv-white:      #ffffff;
  --kv-black:      #0f172a;
  --kv-gray-50:    #f8fafc;
  --kv-gray-100:   #f1f5f9;
  --kv-gray-200:   #e2e8f0;
  --kv-gray-300:   #cbd5e1;
  --kv-gray-400:   #94a3b8;
  --kv-gray-500:   #64748b;
  --kv-gray-600:   #475569;
  --kv-gray-700:   #334155;
  --kv-gray-800:   #1e293b;
  --kv-gray-900:   #0f172a;

  /* Semantic Colors */
  --kv-bg:           #f8fafc;
  --kv-surface:      #ffffff;
  --kv-border:       #e2e8f0;
  --kv-text:         #1e293b;
  --kv-text-muted:   #64748b;
  --kv-text-light:   #94a3b8;
  --kv-heading:      #0f172a;
  --kv-link:         #1a56db;
  --kv-link-hover:   #1340a8;

  /* Header */
  --kv-header-bg:      #ffffff;
  --kv-header-text:    #1e293b;
  --kv-topbar-bg:      #0f172a;
  --kv-topbar-text:    #94a3b8;

  /* Footer */
  --kv-footer-bg:      #0f172a;
  --kv-footer-text:    #94a3b8;
  --kv-footer-heading: #ffffff;

  /* Typography */
  --kv-font-body:    'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
  --kv-font-heading: 'Hind Siliguri', 'Noto Sans Bengali', sans-serif;
  --kv-font-size:    16px;
  --kv-line-height:  1.7;
  --kv-letter-spacing: 0;

  /* Spacing */
  --kv-container: 1200px;
  --kv-radius:    8px;
  --kv-radius-lg: 12px;
  --kv-shadow:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --kv-shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --kv-shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);

  /* Transitions */
  --kv-transition: all .2s ease;
}

/* Dark Mode Variables */
body.dark-mode {
  --kv-bg:           #0f172a;
  --kv-surface:      #1e293b;
  --kv-border:       #334155;
  --kv-text:         #e2e8f0;
  --kv-text-muted:   #94a3b8;
  --kv-text-light:   #64748b;
  --kv-heading:      #f1f5f9;
  --kv-link:         #60a5fa;
  --kv-link-hover:   #93c5fd;
  --kv-header-bg:    #1e293b;
  --kv-header-text:  #e2e8f0;
  --kv-topbar-bg:    #0b1120;
  --kv-shadow:       0 1px 3px rgba(0,0,0,.3);
  --kv-shadow-md:    0 4px 6px rgba(0,0,0,.3);
  --kv-shadow-lg:    0 10px 15px rgba(0,0,0,.4);
}

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

html {
  font-size: var(--kv-font-size);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--kv-font-body);
  font-size: 1rem;
  line-height: var(--kv-line-height);
  letter-spacing: var(--kv-letter-spacing);
  color: var(--kv-text);
  background: var(--kv-bg);
  transition: background .3s ease, color .3s ease;
}

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

/* =============================================
   TYPOGRAPHY
   ============================================= */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--kv-font-heading);
  color: var(--kv-heading);
  line-height: 1.35;
  font-weight: 700;
}
h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.9rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.2rem; }
h5 { font-size: 1.05rem; }
h6 { font-size: .95rem; }
p { margin-bottom: 1rem; }

/* =============================================
   LAYOUT
   ============================================= */
.kv-container {
  max-width: var(--kv-container);
  margin: 0 auto;
  padding: 0 20px;
}

.kv-row {
  display: grid;
  gap: 24px;
}

.kv-col-2 { grid-template-columns: 1fr 1fr; }
.kv-col-3 { grid-template-columns: repeat(3, 1fr); }
.kv-col-4 { grid-template-columns: repeat(4, 1fr); }
.kv-col-sidebar { grid-template-columns: 1fr 320px; }
.kv-col-sidebar-left { grid-template-columns: 320px 1fr; }

.site-content { padding: 32px 0; }
.content-area { min-width: 0; }

/* =============================================
   CARDS
   ============================================= */
.kv-card {
  background: var(--kv-surface);
  border-radius: var(--kv-radius-lg);
  overflow: hidden;
  box-shadow: var(--kv-shadow);
  transition: var(--kv-transition);
  border: 1px solid var(--kv-border);
}
.kv-card:hover {
  box-shadow: var(--kv-shadow-lg);
  transform: translateY(-2px);
}
.kv-card-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.kv-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.kv-card:hover .kv-card-thumb img { transform: scale(1.04); }

.kv-card-body { padding: 16px; }
.kv-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .78rem;
  color: var(--kv-text-muted);
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.kv-card-meta .kv-cat {
  background: var(--kv-primary-light);
  color: var(--kv-primary);
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.kv-card-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--kv-heading);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.kv-card-title a { color: inherit; }
.kv-card-title a:hover { color: var(--kv-primary); }
.kv-card-excerpt {
  font-size: .88rem;
  color: var(--kv-text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* List Card */
.kv-list-card {
  display: flex;
  gap: 12px;
  background: var(--kv-surface);
  border-radius: var(--kv-radius);
  padding: 12px;
  border: 1px solid var(--kv-border);
  transition: var(--kv-transition);
}
.kv-list-card:hover { box-shadow: var(--kv-shadow-md); }
.kv-list-card .thumb {
  flex-shrink: 0;
  width: 100px;
  height: 70px;
  border-radius: 6px;
  overflow: hidden;
}
.kv-list-card .thumb img { width:100%; height:100%; object-fit:cover; }
.kv-list-card .body { flex: 1; min-width: 0; }
.kv-list-card .title {
  font-size: .92rem;
  font-weight: 700;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}
.kv-list-card .title a { color: var(--kv-heading); }
.kv-list-card .title a:hover { color: var(--kv-primary); }

/* =============================================
   TOP BAR
   ============================================= */
.kv-topbar {
  background: var(--kv-topbar-bg);
  color: var(--kv-topbar-text);
  font-size: .8rem;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,.05);
}
.kv-topbar .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.kv-topbar .left, .kv-topbar .right { display: flex; align-items: center; gap: 12px; }
.kv-topbar a { color: var(--kv-topbar-text); }
.kv-topbar a:hover { color: var(--kv-white); }

/* Breaking News */
.kv-breaking {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  max-width: 500px;
}
.kv-breaking-label {
  background: var(--kv-secondary);
  color: var(--kv-white);
  padding: 2px 10px;
  border-radius: 3px;
  font-weight: 700;
  font-size: .75rem;
  white-space: nowrap;
  text-transform: uppercase;
}
.kv-ticker {
  overflow: hidden;
  flex: 1;
}
.kv-ticker-inner {
  display: flex;
  animation: ticker-scroll 30s linear infinite;
  white-space: nowrap;
}
.kv-ticker-inner a { color: var(--kv-topbar-text); padding-right: 40px; }
.kv-ticker-inner a:hover { color: var(--kv-white); }
@keyframes ticker-scroll {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* Social Icons */
.kv-social-icons { display: flex; gap: 8px; }
.kv-social-icons a {
  display: flex; align-items: center; justify-content: center;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: var(--kv-topbar-text);
  font-size: .75rem;
  transition: var(--kv-transition);
}
.kv-social-icons a:hover { background: var(--kv-primary); color: #fff; }

/* =============================================
   HEADER
   ============================================= */
.kv-header {
  background: var(--kv-header-bg);
  border-bottom: 1px solid var(--kv-border);
  position: relative;
  z-index: 100;
  transition: background .3s ease;
}
.kv-header.sticky {
  position: sticky;
  top: 0;
  box-shadow: var(--kv-shadow-md);
}
.kv-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px;
}
.kv-logo { flex-shrink: 0; }
.kv-logo img { height: 44px; width: auto; }
.kv-logo-text {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--kv-heading);
  letter-spacing: -1px;
}
.kv-logo-text span { color: var(--kv-primary); }

/* Navigation */
.kv-nav { flex: 1; display: flex; justify-content: center; }
.kv-nav ul { display: flex; gap: 4px; align-items: center; }
.kv-nav ul li { position: relative; }
.kv-nav ul li a {
  display: block;
  padding: 8px 14px;
  color: var(--kv-header-text);
  font-weight: 600;
  font-size: .9rem;
  border-radius: 6px;
  transition: var(--kv-transition);
}
.kv-nav ul li a:hover,
.kv-nav ul li.current-menu-item > a {
  color: var(--kv-primary);
  background: var(--kv-primary-light);
}

/* Dropdown */
.kv-nav ul li:hover > .sub-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.kv-nav .sub-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: var(--kv-surface);
  border: 1px solid var(--kv-border);
  border-radius: var(--kv-radius);
  box-shadow: var(--kv-shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: var(--kv-transition);
  z-index: 200;
}
.kv-nav .sub-menu li a {
  padding: 9px 16px;
  border-radius: 0;
  font-size: .88rem;
}
.kv-nav .sub-menu li:first-child a { border-radius: var(--kv-radius) var(--kv-radius) 0 0; }
.kv-nav .sub-menu li:last-child a { border-radius: 0 0 var(--kv-radius) var(--kv-radius); }

/* Header Actions */
.kv-header-actions { display: flex; align-items: center; gap: 8px; }
.kv-header-actions .btn-icon {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--kv-gray-100);
  color: var(--kv-text);
  font-size: 1rem;
  transition: var(--kv-transition);
  border: 1px solid var(--kv-border);
}
.kv-header-actions .btn-icon:hover { background: var(--kv-primary); color: #fff; border-color: var(--kv-primary); }

/* Dark Mode Toggle */
.kv-dark-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--kv-gray-100);
  color: var(--kv-text);
  border: 1px solid var(--kv-border);
  cursor: pointer;
  transition: var(--kv-transition);
  font-size: 1rem;
}
.kv-dark-toggle:hover { background: var(--kv-primary); color: #fff; border-color: var(--kv-primary); }

/* Search Box */
.kv-search-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 9999;
  align-items: flex-start;
  padding-top: 80px;
  backdrop-filter: blur(4px);
}
.kv-search-overlay.active { display: flex; }
.kv-search-box {
  background: var(--kv-surface);
  max-width: 640px;
  width: 90%;
  margin: 0 auto;
  border-radius: var(--kv-radius-lg);
  overflow: hidden;
  box-shadow: var(--kv-shadow-lg);
}
.kv-search-box form { display: flex; }
.kv-search-box input {
  flex: 1;
  padding: 16px 20px;
  border: none;
  outline: none;
  background: transparent;
  font-size: 1.1rem;
  color: var(--kv-text);
}
.kv-search-box button {
  padding: 16px 20px;
  background: var(--kv-primary);
  color: #fff;
  font-size: 1.1rem;
}

/* Mobile Toggle */
.kv-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.kv-mobile-toggle span {
  display: block;
  width: 24px; height: 2px;
  background: var(--kv-text);
  border-radius: 2px;
  transition: var(--kv-transition);
}

/* =============================================
   HERO SECTION
   ============================================= */
.kv-hero { padding: 28px 0 0; }
.kv-hero-grid { display: grid; grid-template-columns: 1fr 340px; gap: 20px; }

.kv-hero-main {
  position: relative;
  border-radius: var(--kv-radius-lg);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16 / 8;
}
.kv-hero-main img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .85;
  transition: opacity .3s;
}
.kv-hero-main:hover img { opacity: .75; }
.kv-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.85) 40%, transparent 70%);
  display: flex;
  align-items: flex-end;
  padding: 24px;
}
.kv-hero-content .kv-cat { margin-bottom: 8px; display: inline-block; }
.kv-hero-content .title {
  font-size: clamp(1.1rem, 2.5vw, 1.7rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 10px;
}
.kv-hero-content .title a { color: inherit; }
.kv-hero-content .meta {
  font-size: .8rem;
  color: rgba(255,255,255,.75);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.kv-hero-side { display: flex; flex-direction: column; gap: 12px; }
.kv-hero-side-item {
  position: relative;
  border-radius: var(--kv-radius);
  overflow: hidden;
  background: #000;
  flex: 1;
  min-height: 80px;
}
.kv-hero-side-item img { width:100%; height:100%; object-fit:cover; opacity:.8; }
.kv-hero-side-item .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.8) 50%, transparent);
  display: flex; align-items: flex-end;
  padding: 12px;
}
.kv-hero-side-item .overlay .title {
  font-size: .85rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.kv-hero-side-item .overlay .title a { color: inherit; }

/* =============================================
   SECTION HEADINGS
   ============================================= */
.kv-section { padding: 28px 0; }
.kv-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--kv-border);
  position: relative;
}
.kv-section-head::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 60px; height: 2px;
  background: var(--kv-primary);
}
.kv-section-head h2 {
  font-size: 1.15rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}
.kv-section-head h2 .icon {
  width: 28px; height: 28px;
  background: var(--kv-primary);
  color: #fff;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem;
}
.kv-view-all {
  font-size: .82rem;
  font-weight: 600;
  color: var(--kv-primary);
  padding: 5px 12px;
  border: 1px solid var(--kv-primary);
  border-radius: 20px;
  transition: var(--kv-transition);
}
.kv-view-all:hover { background: var(--kv-primary); color: #fff; }

/* =============================================
   CATEGORY BADGES
   ============================================= */
.kv-categories-grid { display: flex; gap: 10px; flex-wrap: wrap; }
.kv-cat-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--kv-surface);
  border: 1px solid var(--kv-border);
  border-radius: var(--kv-radius);
  padding: 10px 16px;
  transition: var(--kv-transition);
  font-weight: 600;
  font-size: .88rem;
  color: var(--kv-text);
  flex: 1;
  min-width: 130px;
}
.kv-cat-badge:hover {
  background: var(--kv-primary);
  color: #fff;
  border-color: var(--kv-primary);
  transform: translateY(-2px);
  box-shadow: var(--kv-shadow-md);
}
.kv-cat-badge .icon {
  width: 34px; height: 34px;
  background: var(--kv-primary-light);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: var(--kv-transition);
}
.kv-cat-badge:hover .icon { background: rgba(255,255,255,.2); }
.kv-cat-badge .count { margin-left: auto; font-size: .75rem; color: var(--kv-text-muted); font-weight: 400; }
.kv-cat-badge:hover .count { color: rgba(255,255,255,.8); }

/* =============================================
   ADVERTISEMENT BLOCKS
   ============================================= */
.kv-ad-block {
  background: var(--kv-gray-100);
  border: 1px dashed var(--kv-gray-300);
  border-radius: var(--kv-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--kv-text-muted);
  font-size: .78rem;
  padding: 8px;
  overflow: hidden;
}
.kv-ad-block-header { height: 90px; }
.kv-ad-block-banner { height: 250px; }
.kv-ad-block-leaderboard { height: 90px; }
.kv-ad-block-sidebar { height: 250px; }

/* =============================================
   SIDEBAR
   ============================================= */
.kv-sidebar { position: relative; }
.kv-widget {
  background: var(--kv-surface);
  border: 1px solid var(--kv-border);
  border-radius: var(--kv-radius-lg);
  padding: 20px;
  margin-bottom: 20px;
}
.kv-widget-title {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--kv-border);
  position: relative;
}
.kv-widget-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px; height: 2px;
  background: var(--kv-primary);
}

/* Popular Posts Widget */
.kv-popular-list { display: flex; flex-direction: column; gap: 12px; }
.kv-popular-item {
  display: flex; gap: 10px; align-items: flex-start;
}
.kv-popular-item .num {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--kv-primary-light);
  color: var(--kv-primary);
  font-size: .75rem;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
}
.kv-popular-item:first-child .num { background: var(--kv-primary); color: #fff; }
.kv-popular-item .thumb {
  flex-shrink: 0;
  width: 64px; height: 48px;
  border-radius: 6px;
  overflow: hidden;
}
.kv-popular-item .thumb img { width:100%; height:100%; object-fit:cover; }
.kv-popular-item .info { flex: 1; }
.kv-popular-item .title {
  font-size: .85rem;
  font-weight: 700;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}
.kv-popular-item .title a { color: var(--kv-heading); }
.kv-popular-item .title a:hover { color: var(--kv-primary); }
.kv-popular-item .date { font-size: .75rem; color: var(--kv-text-muted); }

/* =============================================
   POST SINGLE
   ============================================= */
.kv-single { padding: 28px 0; }
.kv-single-header { margin-bottom: 24px; }
.kv-single-cats { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.kv-single-cats .cat {
  background: var(--kv-primary-light);
  color: var(--kv-primary);
  padding: 3px 12px;
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.kv-single-title {
  font-size: clamp(1.4rem, 3.5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--kv-heading);
}
.kv-single-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: .85rem;
  color: var(--kv-text-muted);
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--kv-border);
}
.kv-single-meta .author {
  display: flex; align-items: center; gap: 8px;
}
.kv-single-meta .author img {
  width: 32px; height: 32px;
  border-radius: 50%;
  object-fit: cover;
}
.kv-single-meta .sep { width: 1px; height: 14px; background: var(--kv-border); }

/* Reading Progress Bar */
.kv-progress-bar {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: var(--kv-primary);
  z-index: 99999;
  transition: width .1s;
}

/* Table of Contents */
.kv-toc {
  background: var(--kv-gray-50);
  border: 1px solid var(--kv-border);
  border-left: 4px solid var(--kv-primary);
  border-radius: var(--kv-radius);
  padding: 16px 20px;
  margin: 24px 0;
}
body.dark-mode .kv-toc { background: var(--kv-gray-800); }
.kv-toc-title {
  font-size: .95rem;
  font-weight: 800;
  margin-bottom: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.kv-toc ol { padding-left: 18px; }
.kv-toc ol li { margin-bottom: 6px; }
.kv-toc ol li a { font-size: .88rem; color: var(--kv-primary); }
.kv-toc ol li a:hover { text-decoration: underline; }

/* Share Buttons */
.kv-share {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin: 24px 0;
  padding: 16px 0;
  border-top: 1px solid var(--kv-border);
  border-bottom: 1px solid var(--kv-border);
}
.kv-share-label { font-size: .85rem; font-weight: 700; color: var(--kv-text-muted); }
.kv-share-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: .82rem;
  font-weight: 600;
  color: #fff;
  transition: var(--kv-transition);
}
.kv-share-btn:hover { opacity: .88; transform: translateY(-1px); color: #fff; }
.kv-share-btn.fb { background: #1877f2; }
.kv-share-btn.tw { background: #000; }
.kv-share-btn.wa { background: #25d366; }
.kv-share-btn.li { background: #0a66c2; }
.kv-share-btn.cp { background: var(--kv-gray-600); }

/* Floating Share */
.kv-float-share {
  position: fixed;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 500;
}
.kv-float-share .share-btn {
  width: 40px; height: 40px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: .9rem;
  box-shadow: var(--kv-shadow-md);
  transition: var(--kv-transition);
}
.kv-float-share .share-btn:hover { transform: scale(1.1); color: #fff; }
.kv-float-share .share-btn.fb { background: #1877f2; }
.kv-float-share .share-btn.tw { background: #000; }
.kv-float-share .share-btn.wa { background: #25d366; }

/* Author Box */
.kv-author-box {
  background: var(--kv-surface);
  border: 1px solid var(--kv-border);
  border-radius: var(--kv-radius-lg);
  padding: 24px;
  display: flex;
  gap: 20px;
  margin: 32px 0;
}
.kv-author-box .avatar {
  flex-shrink: 0;
  width: 72px; height: 72px;
  border-radius: 50%;
  overflow: hidden;
}
.kv-author-box .avatar img { width:100%; height:100%; object-fit:cover; }
.kv-author-box .info .name { font-size: 1rem; font-weight: 800; margin-bottom: 6px; }
.kv-author-box .info .bio { font-size: .88rem; color: var(--kv-text-muted); line-height: 1.6; }

/* Post Content */
.kv-entry-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--kv-text);
}
.kv-entry-content h2, .kv-entry-content h3, .kv-entry-content h4 {
  margin: 1.8em 0 .8em;
}
.kv-entry-content p { margin-bottom: 1.2em; }
.kv-entry-content ul, .kv-entry-content ol {
  padding-left: 1.5em;
  margin-bottom: 1.2em;
  list-style: disc;
}
.kv-entry-content ol { list-style: decimal; }
.kv-entry-content li { margin-bottom: .5em; }
.kv-entry-content blockquote {
  border-left: 4px solid var(--kv-primary);
  background: var(--kv-gray-50);
  padding: 16px 20px;
  border-radius: 0 var(--kv-radius) var(--kv-radius) 0;
  margin: 1.5em 0;
  font-style: italic;
  color: var(--kv-gray-600);
}
body.dark-mode .kv-entry-content blockquote { background: var(--kv-gray-800); }
.kv-entry-content img { border-radius: var(--kv-radius); margin: 1em 0; }
.kv-entry-content a { color: var(--kv-primary); text-decoration: underline; }
.kv-entry-content code {
  background: var(--kv-gray-100);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: .88em;
}
body.dark-mode .kv-entry-content code { background: var(--kv-gray-800); }

/* Pros Cons Box */
.kv-pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}
.kv-pros, .kv-cons {
  border-radius: var(--kv-radius);
  padding: 16px;
}
.kv-pros { background: #f0fdf4; border: 1px solid #bbf7d0; }
.kv-cons { background: #fef2f2; border: 1px solid #fecaca; }
body.dark-mode .kv-pros { background: rgba(34,197,94,.1); border-color: rgba(34,197,94,.2); }
body.dark-mode .kv-cons { background: rgba(239,68,68,.1); border-color: rgba(239,68,68,.2); }
.kv-pros .head { color: #16a34a; font-weight: 800; margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.kv-cons .head { color: #dc2626; font-weight: 800; margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.kv-pros ul, .kv-cons ul { list-style: none; }
.kv-pros ul li, .kv-cons ul li { font-size: .9rem; margin-bottom: 6px; padding-left: 18px; position: relative; }
.kv-pros ul li::before { content: '✓'; position: absolute; left: 0; color: #16a34a; font-weight: 700; }
.kv-cons ul li::before { content: '✕'; position: absolute; left: 0; color: #dc2626; font-weight: 700; }

/* =============================================
   BREADCRUMB
   ============================================= */
.kv-breadcrumb {
  padding: 10px 0;
  font-size: .82rem;
  color: var(--kv-text-muted);
}
.kv-breadcrumb ol { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.kv-breadcrumb ol li { display: flex; align-items: center; gap: 4px; }
.kv-breadcrumb ol li::after { content: '/'; color: var(--kv-border); }
.kv-breadcrumb ol li:last-child::after { display: none; }
.kv-breadcrumb ol li a { color: var(--kv-primary); }
.kv-breadcrumb ol li span { color: var(--kv-text-muted); }

/* =============================================
   PAGINATION
   ============================================= */
.kv-pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
  margin: 28px 0;
}
.kv-pagination a, .kv-pagination span {
  display: flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: var(--kv-radius);
  background: var(--kv-surface);
  border: 1px solid var(--kv-border);
  font-size: .88rem;
  font-weight: 600;
  color: var(--kv-text);
  transition: var(--kv-transition);
}
.kv-pagination a:hover, .kv-pagination .current {
  background: var(--kv-primary);
  color: #fff;
  border-color: var(--kv-primary);
}

/* =============================================
   FOOTER
   ============================================= */
.kv-footer {
  background: var(--kv-footer-bg);
  color: var(--kv-footer-text);
  margin-top: 48px;
}
.kv-footer-widgets {
  padding: 48px 0 32px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.kv-footer-widget .widget-title {
  color: var(--kv-footer-heading);
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(255,255,255,.08);
  position: relative;
}
.kv-footer-widget .widget-title::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 32px; height: 2px;
  background: var(--kv-primary);
}
.kv-footer-widget ul li { margin-bottom: 8px; }
.kv-footer-widget ul li a {
  color: var(--kv-footer-text);
  font-size: .88rem;
  transition: var(--kv-transition);
  display: flex; align-items: center; gap: 6px;
}
.kv-footer-widget ul li a::before { content: '›'; color: var(--kv-primary); font-weight: 700; }
.kv-footer-widget ul li a:hover { color: var(--kv-white); padding-left: 4px; }
.kv-footer-about .logo { margin-bottom: 14px; }
.kv-footer-about .logo img { height: 40px; }
.kv-footer-about .desc { font-size: .88rem; line-height: 1.7; margin-bottom: 16px; }
.kv-footer-social { display: flex; gap: 8px; }
.kv-footer-social a {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255,255,255,.07);
  color: var(--kv-footer-text);
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem;
  transition: var(--kv-transition);
}
.kv-footer-social a:hover { background: var(--kv-primary); color: #fff; }

.kv-footer-bottom {
  padding: 16px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: .82rem;
}
.kv-footer-bottom a { color: var(--kv-footer-text); }
.kv-footer-bottom a:hover { color: #fff; }
.kv-footer-links { display: flex; gap: 16px; }

/* =============================================
   STICKY MOBILE AD
   ============================================= */
.kv-sticky-ad {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--kv-surface);
  border-top: 1px solid var(--kv-border);
  padding: 8px;
  z-index: 800;
  text-align: center;
}
.kv-sticky-ad .close {
  position: absolute;
  top: 4px; right: 8px;
  font-size: .75rem;
  color: var(--kv-text-muted);
}

/* =============================================
   BUTTONS
   ============================================= */
.kv-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: var(--kv-radius);
  font-size: .9rem;
  font-weight: 700;
  transition: var(--kv-transition);
  cursor: pointer;
}
.kv-btn-primary {
  background: var(--kv-primary);
  color: #fff;
  border: 2px solid var(--kv-primary);
}
.kv-btn-primary:hover { background: var(--kv-primary-dark); border-color: var(--kv-primary-dark); color: #fff; }
.kv-btn-outline {
  background: transparent;
  color: var(--kv-primary);
  border: 2px solid var(--kv-primary);
}
.kv-btn-outline:hover { background: var(--kv-primary); color: #fff; }

/* =============================================
   TAGS
   ============================================= */
.kv-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.kv-tag {
  padding: 4px 12px;
  background: var(--kv-gray-100);
  color: var(--kv-text-muted);
  border-radius: 20px;
  font-size: .78rem;
  font-weight: 600;
  border: 1px solid var(--kv-border);
  transition: var(--kv-transition);
}
.kv-tag:hover { background: var(--kv-primary); color: #fff; border-color: var(--kv-primary); }
body.dark-mode .kv-tag { background: var(--kv-gray-700); }

/* =============================================
   READING TIME / VIEWS BADGE
   ============================================= */
.kv-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: .75rem;
  font-weight: 600;
  background: var(--kv-gray-100);
  color: var(--kv-text-muted);
  border: 1px solid var(--kv-border);
}
body.dark-mode .kv-badge { background: var(--kv-gray-700); }

/* =============================================
   LOAD MORE / AJAX
   ============================================= */
.kv-load-more-wrap { text-align: center; margin: 24px 0; }
.kv-load-more {
  padding: 11px 32px;
  background: var(--kv-primary);
  color: #fff;
  border-radius: var(--kv-radius);
  font-weight: 700;
  font-size: .92rem;
  border: none;
  cursor: pointer;
  transition: var(--kv-transition);
}
.kv-load-more:hover { background: var(--kv-primary-dark); }
.kv-load-more.loading { opacity: .7; pointer-events: none; }

/* =============================================
   LAYOUT SWITCHER
   ============================================= */
.kv-layout-switch {
  display: flex;
  gap: 4px;
  border: 1px solid var(--kv-border);
  border-radius: var(--kv-radius);
  padding: 3px;
  background: var(--kv-surface);
}
.kv-layout-switch button {
  padding: 5px 10px;
  border-radius: 5px;
  font-size: .8rem;
  color: var(--kv-text-muted);
  transition: var(--kv-transition);
}
.kv-layout-switch button.active { background: var(--kv-primary); color: #fff; }

/* =============================================
   NOTICE / ALERT BOXES
   ============================================= */
.kv-notice {
  padding: 12px 16px;
  border-radius: var(--kv-radius);
  font-size: .9rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 16px 0;
}
.kv-notice-info { background: var(--kv-primary-light); border-left: 4px solid var(--kv-primary); color: var(--kv-primary-dark); }
.kv-notice-warn { background: #fffbeb; border-left: 4px solid #f59e0b; color: #92400e; }
.kv-notice-success { background: #f0fdf4; border-left: 4px solid #22c55e; color: #166534; }
body.dark-mode .kv-notice-info { background: rgba(26,86,219,.15); }
body.dark-mode .kv-notice-warn { background: rgba(245,158,11,.1); color: #fbbf24; }
body.dark-mode .kv-notice-success { background: rgba(34,197,94,.1); color: #4ade80; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1100px) {
  .kv-footer-widgets { grid-template-columns: 1fr 1fr; }
  .kv-float-share { display: none; }
}

@media (max-width: 900px) {
  .kv-hero-grid { grid-template-columns: 1fr; }
  .kv-hero-side { flex-direction: row; }
  .kv-hero-side-item { min-height: 120px; }
  .kv-col-sidebar { grid-template-columns: 1fr; }
  .kv-col-sidebar-left { grid-template-columns: 1fr; }
  .kv-col-3 { grid-template-columns: 1fr 1fr; }
  .kv-col-4 { grid-template-columns: 1fr 1fr; }
  .kv-pros-cons { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .kv-mobile-toggle { display: flex; }
  .kv-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--kv-surface);
    z-index: 9998;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 60px 20px 20px;
    overflow-y: auto;
  }
  .kv-nav.open { display: flex; }
  .kv-nav ul { flex-direction: column; gap: 0; }
  .kv-nav ul li a { padding: 12px 16px; border-radius: 6px; font-size: 1rem; }
  .kv-nav .sub-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 16px;
    background: transparent;
    display: none;
  }
  .kv-nav .sub-menu.open { display: block; }
  .kv-topbar { display: none; }
  .kv-footer-widgets { grid-template-columns: 1fr 1fr; gap: 20px; }
  .kv-col-2 { grid-template-columns: 1fr; }
  .kv-author-box { flex-direction: column; }
  .kv-sticky-ad { display: block; }
}

@media (max-width: 480px) {
  .kv-container { padding: 0 14px; }
  .kv-hero-side { flex-direction: column; }
  .kv-footer-widgets { grid-template-columns: 1fr; }
  .kv-col-3 { grid-template-columns: 1fr; }
  .kv-col-4 { grid-template-columns: 1fr 1fr; }
  .kv-categories-grid { gap: 8px; }
  .kv-cat-badge { min-width: 100px; }
}

/* =============================================
   UTILITIES
   ============================================= */
.kv-hidden { display: none !important; }
.kv-text-center { text-align: center; }
.kv-mb-0 { margin-bottom: 0 !important; }
.kv-mt-4 { margin-top: 16px; }
.kv-mt-8 { margin-top: 32px; }
.screen-reader-text {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(1px,1px,1px,1px);
  clip-path: inset(50%);
  white-space: nowrap;
}

/* =============================================
   PRINT
   ============================================= */
@media print {
  .kv-header, .kv-footer, .kv-sidebar, .kv-share, .kv-float-share,
  .kv-ad-block, .kv-sticky-ad, .kv-dark-toggle { display: none !important; }
  body { font-size: 12pt; color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }
}