/*
Theme Name: AppsDora
Theme URI: https://appsdora.example.com
Author: AppsDora
Author URI: https://appsdora.example.com
Description: AppsDora is a fast, SEO-optimized blog theme for tech, app guides, software reviews and student-focused tech content. Classic blog homepage with sticky sidebar, affiliate-ready post components (Get Deal buttons, comparison tables, pros/cons, highlight boxes), table of contents, related posts, schema markup, lazy-loaded images and AdSense-ready layout.
Version: 1.1.0
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: appsdora
Tags: blog, two-columns, right-sidebar, custom-menu, featured-images, threaded-comments, translation-ready, block-styles, wide-blocks
*/

/* =========================================================
   AppsDora Theme — Design System
   Primary: #2563EB | Accent: #7C3AED | BG: #FFFFFF
   Font: Inter
   ========================================================= */

:root{
  --ad-primary:#2563EB;
  --ad-primary-600:#1d4fd0;
  --ad-accent:#7C3AED;
  --ad-bg:#ffffff;
  --ad-surface:#ffffff;
  --ad-muted:#f5f7fb;
  --ad-border:#e5e7eb;
  --ad-text:#0f172a;
  --ad-text-soft:#475569;
  --ad-text-mute:#64748b;
  --ad-success:#16a34a;
  --ad-danger:#dc2626;
  --ad-warning:#f59e0b;
  --ad-radius:12px;
  --ad-radius-sm:8px;
  --ad-shadow:0 1px 2px rgba(15,23,42,.04), 0 4px 16px rgba(15,23,42,.06);
  --ad-shadow-lg:0 10px 30px rgba(15,23,42,.08);
  --ad-transition:.3s ease;
  --ad-container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Inter','Poppins',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  background:var(--ad-bg);
  color:var(--ad-text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--ad-primary);text-decoration:none;transition:color var(--ad-transition)}
a:hover{color:var(--ad-accent)}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:var(--ad-text);line-height:1.25;margin:0 0 .6em;font-weight:700;letter-spacing:-.01em}
h1{font-size:2.1rem}
h2{font-size:1.6rem}
h3{font-size:1.25rem}
p{margin:0 0 1rem}
hr{border:0;border-top:1px solid var(--ad-border);margin:2rem 0}
blockquote{border-left:4px solid var(--ad-primary);background:var(--ad-muted);padding:1rem 1.25rem;border-radius:var(--ad-radius-sm);margin:1.25rem 0;color:var(--ad-text-soft)}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--ad-muted);border-radius:6px}
code{padding:.15em .4em;font-size:.92em}
pre{padding:1rem;overflow:auto;line-height:1.5}
.screen-reader-text{position:absolute!important;clip:rect(1px,1px,1px,1px);height:1px;width:1px;overflow:hidden}

/* Layout */
.ad-container{max-width:var(--ad-container);margin:0 auto;padding:0 20px}
.ad-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;margin:32px 0 64px}
.ad-main{min-width:0}
.ad-sidebar{min-width:0}

/* Header */
.ad-site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--ad-border);
}
.ad-header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.ad-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--ad-text);letter-spacing:-.02em}
.ad-brand .ad-logo-mark{
  width:32px;height:32px;border-radius:8px;
  background:linear-gradient(135deg,var(--ad-primary),var(--ad-accent));
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.95rem;
}
.ad-nav ul{list-style:none;display:flex;gap:6px;margin:0;padding:0}
.ad-nav a{
  display:inline-block;padding:8px 12px;border-radius:8px;color:var(--ad-text);font-weight:500;font-size:.95rem;
}
.ad-nav a:hover,.ad-nav .current-menu-item>a{background:var(--ad-muted);color:var(--ad-primary)}
.ad-menu-toggle{
  display:none;background:transparent;border:1px solid var(--ad-border);
  width:40px;height:40px;border-radius:10px;cursor:pointer;align-items:center;justify-content:center;
}
.ad-menu-toggle span{display:block;width:18px;height:2px;background:var(--ad-text);position:relative}
.ad-menu-toggle span::before,.ad-menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ad-text)}
.ad-menu-toggle span::before{top:-6px}
.ad-menu-toggle span::after{top:6px}

/* Post cards */
.ad-card{
  background:var(--ad-surface);
  border:1px solid var(--ad-border);
  border-radius:var(--ad-radius);
  box-shadow:var(--ad-shadow);
  overflow:hidden;
  transition:transform var(--ad-transition), box-shadow var(--ad-transition);
}
.ad-card:hover{transform:translateY(-5px);box-shadow:var(--ad-shadow-lg)}
.ad-post-card{display:grid;grid-template-columns:280px 1fr;gap:0;margin-bottom:22px}
.ad-post-card .ad-thumb{position:relative;overflow:hidden;background:var(--ad-muted);min-height:180px}
.ad-post-card .ad-thumb a{display:block;height:100%}
.ad-post-card .ad-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.ad-post-card:hover .ad-thumb img{transform:scale(1.06)}
.ad-post-card .ad-thumb .ad-cat-chip{
  position:absolute;top:12px;left:12px;
  background:rgba(255,255,255,.95);color:var(--ad-primary);
  font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;
  padding:5px 10px;border-radius:999px;
}
.ad-post-card .ad-body{padding:20px 22px;display:flex;flex-direction:column;justify-content:center}
.ad-post-card .ad-meta{font-size:.82rem;color:var(--ad-text-mute);margin-bottom:8px;display:flex;gap:12px;flex-wrap:wrap}
.ad-post-card .ad-meta a{color:var(--ad-text-mute)}
.ad-post-card h2.ad-post-title{font-size:1.25rem;margin:0 0 8px;line-height:1.35}
.ad-post-card h2.ad-post-title a{color:var(--ad-text)}
.ad-post-card h2.ad-post-title a:hover{color:var(--ad-primary)}
.ad-post-card .ad-excerpt{color:var(--ad-text-soft);font-size:.95rem;margin:0 0 14px}
.ad-readmore{
  align-self:flex-start;
  display:inline-flex;align-items:center;gap:6px;
  background:var(--ad-primary);color:#fff;font-weight:600;font-size:.88rem;
  padding:9px 16px;border-radius:8px;
  transition:background var(--ad-transition), transform var(--ad-transition);
}
.ad-readmore:hover{background:var(--ad-primary-600);color:#fff;transform:translateX(2px)}
.ad-readmore::after{content:"→"}

/* Fade-in on scroll */
.ad-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease}
.ad-reveal.is-visible{opacity:1;transform:none}

/* Sidebar */
.ad-sidebar{position:sticky;top:84px;align-self:start}
.ad-widget{
  background:var(--ad-surface);
  border:1px solid var(--ad-border);
  border-radius:var(--ad-radius);
  box-shadow:var(--ad-shadow);
  padding:18px 20px;
  margin-bottom:20px;
}
.ad-widget h3,.ad-widget .widget-title{
  font-size:.92rem;text-transform:uppercase;letter-spacing:.06em;
  color:var(--ad-text);margin:0 0 14px;padding-bottom:10px;
  border-bottom:1px solid var(--ad-border);
}
.ad-widget ul{list-style:none;margin:0;padding:0}
.ad-widget li{padding:7px 0;border-bottom:1px dashed var(--ad-border);font-size:.93rem}
.ad-widget li:last-child{border-bottom:0}
.ad-widget a{color:var(--ad-text)}
.ad-widget a:hover{color:var(--ad-primary)}
.ad-search{display:flex;gap:8px}
.ad-search input[type="search"]{
  flex:1;min-width:0;padding:10px 12px;border:1px solid var(--ad-border);
  border-radius:8px;font:inherit;background:var(--ad-muted);
}
.ad-search input[type="search"]:focus{outline:none;border-color:var(--ad-primary);background:#fff}
.ad-search button{
  background:var(--ad-primary);color:#fff;border:0;border-radius:8px;
  padding:0 14px;cursor:pointer;font-weight:600;
}
.ad-search button:hover{background:var(--ad-primary-600)}
.ad-recent-post{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--ad-border)}
.ad-recent-post:last-child{border-bottom:0}
.ad-recent-post img{width:64px;height:64px;border-radius:8px;object-fit:cover;flex:0 0 64px;background:var(--ad-muted)}
.ad-recent-post .rp-body{min-width:0}
.ad-recent-post a{font-weight:600;font-size:.92rem;line-height:1.35;display:block;color:var(--ad-text)}
.ad-recent-post a:hover{color:var(--ad-primary)}
.ad-recent-post .rp-date{font-size:.78rem;color:var(--ad-text-mute);margin-top:3px}
.ad-cat-list li{display:flex;justify-content:space-between;align-items:center}
.ad-cat-list .count{
  background:var(--ad-muted);color:var(--ad-text-soft);
  font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:999px;
}

/* Single post */
.ad-single{background:#fff;border:1px solid var(--ad-border);border-radius:var(--ad-radius);box-shadow:var(--ad-shadow);overflow:hidden}
.ad-single .ad-single-head{padding:28px 32px 0}
.ad-single h1.ad-single-title{font-size:2.1rem;line-height:1.2;margin:0 0 10px}
.ad-single .ad-single-meta{color:var(--ad-text-mute);font-size:.9rem;margin-bottom:18px;display:flex;gap:14px;flex-wrap:wrap}
.ad-single .ad-single-thumb{margin:0;background:var(--ad-muted)}
.ad-single .ad-single-thumb img{width:100%;height:auto;max-height:520px;object-fit:cover}
.ad-single .ad-single-content{padding:28px 32px}
.ad-single .ad-single-content h2{margin-top:1.6em}
.ad-single .ad-single-content h3{margin-top:1.4em}
.ad-single .ad-single-content img{border-radius:var(--ad-radius-sm);margin:1rem 0}
.ad-single .ad-single-content a{text-decoration:underline;text-decoration-color:rgba(37,99,235,.35);text-underline-offset:3px}
.ad-single .ad-single-content a:hover{text-decoration-color:var(--ad-accent)}

/* Table of contents */
.ad-toc{
  background:var(--ad-muted);border:1px solid var(--ad-border);
  border-radius:var(--ad-radius-sm);padding:16px 18px;margin:0 0 24px;
}
.ad-toc .ad-toc-title{font-weight:700;font-size:.95rem;margin:0 0 8px;display:flex;align-items:center;gap:8px}
.ad-toc ol{margin:0;padding-left:1.2rem;color:var(--ad-text-soft)}
.ad-toc ol ol{margin-top:4px}
.ad-toc a{color:var(--ad-text-soft)}
.ad-toc a:hover{color:var(--ad-primary)}

/* Affiliate components */
.ad-deal-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#f97316,#dc2626);
  color:#fff!important;font-weight:700;text-decoration:none!important;
  padding:12px 22px;border-radius:10px;font-size:1rem;
  box-shadow:0 6px 18px rgba(220,38,38,.25);
  transition:transform var(--ad-transition), box-shadow var(--ad-transition);
}
.ad-deal-btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(220,38,38,.3);color:#fff!important}
.ad-deal-btn::before{content:"🔥"}
.ad-highlight{
  background:linear-gradient(135deg,rgba(37,99,235,.06),rgba(124,58,237,.06));
  border:1px solid rgba(37,99,235,.18);
  border-left:4px solid var(--ad-primary);
  padding:14px 18px;border-radius:var(--ad-radius-sm);margin:1.25rem 0;
}
.ad-proscons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:1.5rem 0}
.ad-proscons .ad-pros,.ad-proscons .ad-cons{
  border:1px solid var(--ad-border);border-radius:var(--ad-radius-sm);padding:16px 18px;background:#fff;
}
.ad-proscons h4{margin:0 0 10px;font-size:1rem;display:flex;align-items:center;gap:8px}
.ad-proscons .ad-pros h4{color:var(--ad-success)}
.ad-proscons .ad-cons h4{color:var(--ad-danger)}
.ad-proscons ul{list-style:none;margin:0;padding:0}
.ad-proscons li{padding:5px 0 5px 22px;position:relative;font-size:.95rem}
.ad-proscons .ad-pros li::before{content:"✓";position:absolute;left:0;color:var(--ad-success);font-weight:700}
.ad-proscons .ad-cons li::before{content:"✕";position:absolute;left:0;color:var(--ad-danger);font-weight:700}
.ad-compare{width:100%;border-collapse:separate;border-spacing:0;margin:1.5rem 0;font-size:.95rem;border:1px solid var(--ad-border);border-radius:var(--ad-radius-sm);overflow:hidden}
.ad-compare th,.ad-compare td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--ad-border)}
.ad-compare thead th{background:var(--ad-muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ad-text-soft)}
.ad-compare tbody tr:last-child td{border-bottom:0}
.ad-compare tbody tr:hover{background:var(--ad-muted)}

/* Share + back to top */
.ad-share{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:24px 0;padding:14px 18px;background:var(--ad-muted);border-radius:var(--ad-radius-sm)}
.ad-share span{font-weight:600;font-size:.9rem;margin-right:4px}
.ad-share a{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--ad-border);color:var(--ad-text);
  padding:7px 12px;border-radius:8px;font-size:.85rem;font-weight:600;
}
.ad-share a:hover{background:var(--ad-primary);color:#fff;border-color:var(--ad-primary)}
.ad-back-top{
  position:fixed;right:20px;bottom:20px;z-index:60;
  width:44px;height:44px;border-radius:50%;border:0;
  background:var(--ad-primary);color:#fff;font-size:1.1rem;cursor:pointer;
  box-shadow:var(--ad-shadow-lg);opacity:0;pointer-events:none;
  transition:opacity var(--ad-transition), transform var(--ad-transition);
}
.ad-back-top.is-visible{opacity:1;pointer-events:auto}
.ad-back-top:hover{transform:translateY(-3px);background:var(--ad-primary-600)}

/* Related */
.ad-related{margin-top:36px}
.ad-related h3{font-size:1.2rem;margin:0 0 14px}
.ad-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.ad-related-card{background:#fff;border:1px solid var(--ad-border);border-radius:var(--ad-radius);overflow:hidden;box-shadow:var(--ad-shadow);transition:transform var(--ad-transition),box-shadow var(--ad-transition)}
.ad-related-card:hover{transform:translateY(-4px);box-shadow:var(--ad-shadow-lg)}
.ad-related-card img{width:100%;height:130px;object-fit:cover;background:var(--ad-muted)}
.ad-related-card .rc-body{padding:12px 14px}
.ad-related-card a{color:var(--ad-text);font-weight:600;font-size:.95rem;line-height:1.35;display:block}
.ad-related-card a:hover{color:var(--ad-primary)}
.ad-related-card .rc-date{font-size:.78rem;color:var(--ad-text-mute);margin-top:4px}

/* Pagination */
.ad-pagination{display:flex;justify-content:center;gap:6px;margin:30px 0 10px;flex-wrap:wrap}
.ad-pagination .page-numbers{
  padding:8px 13px;border-radius:8px;border:1px solid var(--ad-border);
  background:#fff;color:var(--ad-text);font-weight:600;font-size:.9rem;
}
.ad-pagination .page-numbers:hover,.ad-pagination .page-numbers.current{
  background:var(--ad-primary);color:#fff;border-color:var(--ad-primary);
}

/* Archive header */
.ad-archive-head{background:var(--ad-muted);border-radius:var(--ad-radius);padding:22px 24px;margin-bottom:22px}
.ad-archive-head h1{font-size:1.5rem;margin:0 0 4px}
.ad-archive-head p{margin:0;color:var(--ad-text-soft)}

/* Footer */
.ad-site-footer{background:#0f172a;color:#cbd5e1;padding:36px 0 18px;margin-top:40px}
.ad-site-footer a{color:#cbd5e1}
.ad-site-footer a:hover{color:#fff}
.ad-footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.ad-footer-brand{max-width:340px}
.ad-footer-brand .ad-brand{color:#fff}
.ad-footer-brand p{font-size:.92rem;color:#94a3b8;margin-top:8px}
.ad-footer-nav ul{list-style:none;margin:0;padding:0;display:flex;gap:18px;flex-wrap:wrap;font-size:.92rem}
.ad-footer-bottom{margin-top:24px;padding-top:14px;border-top:1px solid #1e293b;font-size:.85rem;color:#94a3b8;text-align:center}

/* Comments minimal */
.ad-comments{margin-top:36px;background:#fff;border:1px solid var(--ad-border);border-radius:var(--ad-radius);padding:22px 24px;box-shadow:var(--ad-shadow)}
.ad-comments h3{margin-top:0}

/* Responsive */
@media (max-width:960px){
  .ad-grid{grid-template-columns:1fr;gap:24px}
  .ad-sidebar{position:static}
  .ad-related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:680px){
  h1{font-size:1.7rem}
  .ad-post-card{grid-template-columns:1fr}
  .ad-post-card .ad-thumb{min-height:200px}
  .ad-single .ad-single-head,.ad-single .ad-single-content{padding:20px}
  .ad-proscons{grid-template-columns:1fr}
  .ad-related-grid{grid-template-columns:1fr}
  .ad-nav{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid var(--ad-border);padding:10px 20px}
  .ad-nav.is-open{display:block}
  .ad-nav ul{flex-direction:column;gap:2px}
  .ad-menu-toggle{display:inline-flex}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .ad-reveal{opacity:1;transform:none}
}

/* =========================================================
   AppsDora v1.1 Enhancements
   ========================================================= */

/* Customizable surfaces */
.ad-site-header{ background: color-mix(in srgb, var(--ad-header-bg, #ffffff) 85%, transparent); }
.ad-site-footer{ background: var(--ad-footer-bg, #0f172a); }
.ad-deal-btn,
.ad-pagination .page-numbers:hover,
.ad-pagination .page-numbers.current{ background: var(--ad-button, var(--ad-primary)); }

/* Header polish: glass + shadow on scroll */
.ad-site-header{ transition: box-shadow .25s ease, background .25s ease; }
.ad-site-header.is-scrolled{ box-shadow: 0 6px 22px rgba(15,23,42,.08); }

/* Logo sizing from Customizer */
.ad-brand .custom-logo{ width: var(--ad-logo-w, 140px); height: var(--ad-logo-h, 40px); object-fit: contain; }
.ad-brand-link{ display: inline-flex; align-items: center; gap: 10px; }

/* Header right group */
.ad-header-right{ display:flex; align-items:center; gap:10px; }
.ad-darkmode-btn{
  width:38px; height:38px; border-radius:10px; border:1px solid var(--ad-border);
  background:transparent; cursor:pointer; display:inline-flex; align-items:center; justify-content:center;
  color:var(--ad-text); transition: background .25s ease, color .25s ease, border-color .25s ease;
}
.ad-darkmode-btn:hover{ background: var(--ad-muted); color: var(--ad-primary); }
.ad-darkmode-btn svg{ width:18px; height:18px; }
.ad-darkmode-btn .ico-sun{ display:none; }
body.ad-dark .ad-darkmode-btn .ico-sun{ display:block; }
body.ad-dark .ad-darkmode-btn .ico-moon{ display:none; }

/* ---------- Typography polish ---------- */
.ad-single-content h1{ font-size: clamp(1.9rem, 3vw, 2.4rem); font-weight: 700; margin: 0 0 15px; line-height:1.2; }
.ad-single-content h2{
  font-size: clamp(1.5rem, 2.2vw, 1.75rem); font-weight: 700;
  margin: 2rem 0 .8rem; padding-bottom: 6px;
  border-bottom: 2px solid color-mix(in srgb, var(--ad-primary) 25%, transparent);
  position: relative;
}
.ad-single-content h2::after{
  content:""; position:absolute; left:0; bottom:-2px; width:64px; height:2px;
  background: linear-gradient(90deg, var(--ad-primary), var(--ad-accent));
}
.ad-single-content h3{ font-size: clamp(1.15rem, 1.6vw, 1.35rem); font-weight: 600; margin: 1.5rem 0 .6rem; }
.ad-single-content p,
.ad-single-content li{ line-height: 1.85; }
.ad-single-content p{ max-width: 720px; }
.ad-single-content ul,
.ad-single-content ol{ max-width: 720px; }

/* ---------- Improved category badge on featured image ---------- */
.ad-cat-chip{
  position: absolute; top: 12px; left: 12px; z-index: 2;
  background: linear-gradient(135deg, var(--ad-primary), var(--ad-accent));
  color: #fff !important;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: uppercase;
  box-shadow: 0 4px 14px rgba(37,99,235,.35);
  transition: transform .2s ease, box-shadow .2s ease;
  backdrop-filter: blur(4px);
}
.ad-cat-chip:hover{ transform: scale(1.06); box-shadow: 0 6px 18px rgba(124,58,237,.4); color:#fff; }
.ad-thumb{ position: relative; }

/* ---------- Sticky / attractive Table of Contents ---------- */
.ad-toc{
  background: linear-gradient(180deg, #f8fafc, #ffffff);
  border: 1px solid var(--ad-border);
  border-left: 4px solid var(--ad-primary);
  border-radius: 14px;
  padding: 18px 22px;
  margin: 0 0 28px;
  box-shadow: var(--ad-shadow);
}
.ad-toc-title{
  font-weight: 700; font-size: 1rem; margin-bottom: 10px;
  display:flex; align-items:center; gap:8px; color: var(--ad-text);
}
.ad-toc ol{ margin:0; padding-left: 1.1rem; }
.ad-toc li{ margin: 4px 0; line-height:1.5; }
.ad-toc a{
  color: var(--ad-text-soft);
  font-size: .95rem;
  display: inline-block;
  padding: 2px 4px;
  border-radius: 4px;
  transition: color .2s ease, background .2s ease;
}
.ad-toc a:hover{ color: var(--ad-primary); }
.ad-toc a.is-active{
  color: var(--ad-primary);
  background: color-mix(in srgb, var(--ad-primary) 10%, transparent);
  font-weight: 600;
}

/* Sticky TOC on wide screens (rendered inside sidebar wrapper) */
.ad-toc-sticky{ position: sticky; top: 84px; }

/* ---------- Sticky social share bar ---------- */
.ad-share-bar{
  position: fixed;
  left: 16px; top: 50%;
  transform: translateY(-50%);
  z-index: 40;
  display: flex; flex-direction: column; gap: 10px;
  padding: 10px 8px;
  background: #fff;
  border: 1px solid var(--ad-border);
  border-radius: 14px;
  box-shadow: var(--ad-shadow-lg);
}
.ad-share-bar a, .ad-share-bar button{
  width: 38px; height: 38px; border-radius: 10px;
  display:inline-flex; align-items:center; justify-content:center;
  background: var(--ad-muted);
  color: var(--ad-text);
  border: 0; cursor: pointer;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.ad-share-bar a:hover, .ad-share-bar button:hover{
  transform: translateY(-2px) scale(1.06);
  background: var(--ad-primary); color: #fff;
}
.ad-share-bar svg{ width:18px; height:18px; }
.ad-share-copied{
  position:absolute; left:56px; top:50%; transform:translateY(-50%);
  background:#0f172a; color:#fff; font-size:.78rem; padding:4px 8px; border-radius:6px;
  opacity:0; pointer-events:none; transition: opacity .2s ease; white-space:nowrap;
}
.ad-share-copied.is-show{ opacity:1; }

@media (max-width: 1100px){
  .ad-share-bar{
    left: 0; right: 0; bottom: 0; top: auto;
    transform: none;
    flex-direction: row; justify-content: center;
    border-radius: 0;
    border-left: 0; border-right: 0; border-bottom: 0;
    padding: 8px;
  }
  .ad-share-copied{ left:50%; top:-32px; transform:translateX(-50%); }
  body.has-share-bar{ padding-bottom: 64px; }
}

/* ---------- Footer polish ---------- */
.ad-site-footer{
  background: linear-gradient(180deg, var(--ad-footer-bg, #0f172a), color-mix(in srgb, var(--ad-footer-bg, #0f172a) 80%, #000));
  padding: 48px 0 22px;
}
.ad-footer-nav a{ position: relative; transition: color .2s ease, transform .2s ease; }
.ad-footer-nav a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-3px; height:2px;
  background: linear-gradient(90deg, var(--ad-primary), var(--ad-accent));
  transition: right .25s ease;
}
.ad-footer-nav a:hover{ color:#fff; transform: translateY(-1px); }
.ad-footer-nav a:hover::after{ right:0; }

/* ---------- Adblock overlay ---------- */
.ad-adblock-overlay{
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(2, 6, 23, .82);
  backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.ad-adblock-overlay.is-open{ display: flex; }
.ad-adblock-box{
  max-width: 460px; width: 100%;
  background: #fff; color: var(--ad-text);
  border-radius: 16px; padding: 30px 26px;
  text-align: center; box-shadow: 0 20px 60px rgba(0,0,0,.4);
  animation: adFadeIn .3s ease;
}
.ad-adblock-box h3{ margin: 12px 0 8px; font-size: 1.35rem; }
.ad-adblock-box p{ color: var(--ad-text-soft); margin: 0 0 20px; }
.ad-adblock-box .ad-deal-btn{ display:inline-block; }
.ad-adblock-icon{
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--ad-primary), var(--ad-accent));
  color: #fff; display: inline-flex; align-items: center; justify-content: center;
  font-size: 28px;
}
@keyframes adFadeIn { from{ opacity:0; transform: translateY(10px);} to{ opacity:1; transform:none;} }
body.ad-no-scroll{ overflow: hidden; }

/* ---------- Dark mode ---------- */
body.ad-dark{
  --ad-bg:#0B1220;
  --ad-surface:#0f172a;
  --ad-muted:#1e293b;
  --ad-border:#1f2a3d;
  --ad-text:#E5E7EB;
  --ad-text-soft:#cbd5e1;
  --ad-text-mute:#94a3b8;
  --ad-header-bg:#0B1220;
}
body.ad-dark{ background: var(--ad-bg); color: var(--ad-text); }
body.ad-dark .ad-card,
body.ad-dark .ad-related-card,
body.ad-dark .ad-comments,
body.ad-dark .ad-share-bar,
body.ad-dark .ad-toc,
body.ad-dark .ad-pagination .page-numbers,
body.ad-dark .ad-share a{
  background: var(--ad-surface); color: var(--ad-text); border-color: var(--ad-border);
}
body.ad-dark .ad-toc{ background: linear-gradient(180deg,#0f172a,#0B1220); }
body.ad-dark .ad-nav a{ color: var(--ad-text); }
body.ad-dark .ad-nav a:hover{ background: var(--ad-muted); }
body.ad-dark .ad-adblock-box{ background: #0f172a; color: var(--ad-text); }
body.ad-dark .ad-darkmode-btn{ border-color: var(--ad-border); color: var(--ad-text); }
body.ad-dark .ad-archive-head,
body.ad-dark .ad-share,
body.ad-dark blockquote{ background: var(--ad-muted); color: var(--ad-text-soft); }
body.ad-dark .ad-single-content h2{ border-bottom-color: color-mix(in srgb, var(--ad-primary) 35%, transparent); }
body.ad-dark .ad-share-bar a, body.ad-dark .ad-share-bar button{ background: var(--ad-muted); color: var(--ad-text); }

@media (max-width: 680px){
  .ad-share-bar{ position: fixed; }
  .ad-toc{ padding: 14px 16px; }
}