/*
Theme Name: AI Tools Guide
Theme URI: https://aideckguide.com
Author: Marc
Author URI: https://aideckguide.com
Description: Professional AI tools and productivity blog with dark mode, interactive particle network hero, and live category filtering.
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ai-tools-guide
Tags: blog, custom-colors, custom-logo, dark-mode
*/

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;-webkit-font-smoothing:antialiased;background:var(--bg);color:var(--text)}
::placeholder{color:#94a3b8}

[data-theme="light"]{
  --bg:#f8fafc;--surface:#ffffff;--header-bg:rgba(255,255,255,.86);--card:#ffffff;
  --border:#eef2f7;--border2:#e2e8f0;--divider:#eef2f7;--text:#0f172a;--text2:#64748b;
  --text3:#475569;--search-bg:#f8fafc;--badge-bg:rgba(255,255,255,.7);
  --pill-bg:#ffffff;--pill-border:#e2e8f0;--pill-text:#475569;
  --prose:#334155;--ad-bg:#f1f5f9;--ad-border:#e2e8f0
}
[data-theme="dark"]{
  --bg:#0a0f1a;--surface:#0a0f1a;--header-bg:rgba(10,15,26,.82);--card:#111827;
  --border:#1e293b;--border2:#1e293b;--divider:#1e293b;--text:#f1f5f9;--text2:#94a3b8;
  --text3:#cbd5e1;--search-bg:#111827;--badge-bg:rgba(255,255,255,.04);
  --pill-bg:#1e293b;--pill-border:#1e293b;--pill-text:#cbd5e1;
  --prose:#cbd5e1;--ad-bg:#0f1729;--ad-border:#1e293b
}

#root{min-height:100vh;background:var(--bg);color:var(--text);display:flex;flex-direction:column;overflow-x:hidden;transition:background-color .3s,color .3s}

/* ── Header ── */
#site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);transition:box-shadow .3s,background-color .3s,border-color .3s}
.header-inner{max-width:1240px;margin:0 auto;padding:13px 28px;display:flex;align-items:center;gap:22px}
.logo-link{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.logo-icon{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#3B82F6,#8B5CF6);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px -2px rgba(59,130,246,.45)}
.logo-text{font-weight:800;font-size:18px;letter-spacing:-.02em;color:var(--text);transition:color .3s}
.search-wrap{flex:1;display:flex;justify-content:center;min-width:0}
.search-inner{position:relative;width:100%;max-width:460px}
.search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);pointer-events:none}
#search-input,.search-input{width:100%;padding:11px 16px 11px 42px;border:1px solid var(--border2);border-radius:11px;background:var(--search-bg);font-family:inherit;font-size:14.5px;color:var(--text);outline:none;transition:box-shadow .25s,border-color .25s,background-color .3s,color .3s}
#search-input:focus,.search-input:focus{border-color:#3B82F6;box-shadow:0 0 0 4px rgba(59,130,246,.12)}
[data-theme="light"] #search-input:focus,[data-theme="light"] .search-input:focus{background:#fff}
.header-nav{display:flex;align-items:center;gap:22px;flex-shrink:0}
.nav-link{font-size:13.5px;font-weight:500;color:var(--text2);text-decoration:none;transition:color .2s}
.nav-link:hover{color:var(--text)}
.nav-link-blue{font-size:13.5px;font-weight:600;color:#3B82F6;text-decoration:none;transition:color .2s}
.nav-link-blue:hover{color:#2563eb}
#theme-toggle{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:100px;border:1px solid var(--border2);background:var(--search-bg);color:var(--text2);cursor:pointer;transition:color .3s,border-color .3s,background-color .3s}
#theme-toggle:hover{color:var(--text);border-color:var(--text2)}

/* ── Hero ── */
#hero{position:relative;background:var(--surface);border-bottom:1px solid var(--border);overflow:hidden;transition:background-color .3s,border-color .3s}
#particle-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero-inner{position:relative;max-width:1240px;margin:0 auto;padding:84px 28px 92px;text-align:center;pointer-events:none}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border:1px solid var(--border2);background:var(--badge-bg);border-radius:100px;font-size:13px;font-weight:600;color:var(--text3);margin-bottom:30px;transition:background-color .3s,border-color .3s,color .3s}
.hero-badge-dot{width:7px;height:7px;border-radius:50%;background:#3B82F6;box-shadow:0 0 0 4px rgba(59,130,246,.18);flex-shrink:0}
.hero-h1{font-size:clamp(34px,5.4vw,56px);line-height:1.05;font-weight:800;letter-spacing:-.035em;margin:0 auto 22px;max-width:720px}
.hero-gradient{background:linear-gradient(100deg,#3B82F6 0%,#8B5CF6 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero-sub{font-size:clamp(16px,2vw,19px);line-height:1.55;color:var(--text2);max-width:560px;margin:0 auto;font-weight:500;transition:color .3s}

/* ── Featured ── */
#featured-section{max-width:1240px;margin:0 auto;padding:54px 28px 8px;width:100%}
.section-label-row{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.section-label{font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#94a3b8;margin:0}
.section-divider{flex:1;height:1px;background:var(--divider)}
.featured-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:22px}
.feat-card{position:relative;display:block;text-decoration:none;border-radius:20px;padding:30px;overflow:hidden;background:linear-gradient(150deg,#0f172a 0%,#13203b 55%,#0c1a36 100%);border:1px solid rgba(255,255,255,.08);transition:transform .3s cubic-bezier(.16,.84,.44,1),box-shadow .3s,border-color .3s}
.feat-blob1{position:absolute;top:-55px;right:-45px;width:200px;height:200px;border-radius:50%;filter:blur(28px);pointer-events:none}
.feat-blob2{position:absolute;top:-20px;right:18px;width:120px;height:120px;border-radius:50%;filter:blur(34px);pointer-events:none}
.feat-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.18;pointer-events:none}
.feat-top{position:relative;display:flex;align-items:center;justify-content:space-between;margin-bottom:54px}
.feat-cat-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:100px;font-size:12px;font-weight:700}
.feat-cat-dot{width:7px;height:7px;border-radius:2px;flex-shrink:0}
.feat-tag-pill{padding:5px 11px;border-radius:100px;background:rgba(255,255,255,.1);color:#cbd5e1;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.feat-title{position:relative;font-size:21px;line-height:1.3;font-weight:700;color:#fff;margin:0 0 22px;letter-spacing:-.01em}
.feat-meta{position:relative;display:flex;align-items:center;gap:10px;font-size:13px;color:#94a3b8;font-weight:500}
.feat-read{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:13px}
[data-arrow]{display:inline-block;transition:transform .25s}
.feat-card:hover [data-arrow]{transform:translateX(4px)}

/* ── Category pills ── */
#cat-section{max-width:1240px;margin:0 auto;padding:40px 28px 10px;width:100%}
.cat-pills{display:flex;flex-wrap:wrap;gap:10px}
.cat-pill{padding:9px 17px;border-radius:100px;font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer;transition:all .22s cubic-bezier(.16,.84,.44,1);white-space:nowrap;border:1px solid;text-decoration:none;display:inline-block}

/* ── Article grid ── */
#grid-section{max-width:1240px;margin:0 auto;padding:26px 28px 64px;width:100%;flex:1}
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
[data-card]{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:16px;overflow:hidden;text-decoration:none;box-shadow:0 1px 2px rgba(15,23,42,.04);transition:transform .28s cubic-bezier(.16,.84,.44,1),box-shadow .28s,border-color .28s,background-color .3s}
[data-card]:hover{transform:translateY(-6px);box-shadow:0 18px 38px -12px rgba(15,23,42,.18);border-color:var(--border2)}
[data-card] h3{transition:color .3s}
.card-img-wrap{position:relative;height:200px;overflow:hidden;background:var(--border)}
[data-img]{position:absolute;inset:0;transition:transform .5s cubic-bezier(.16,.84,.44,1)}
[data-card]:hover [data-img]{transform:scale(1.06)}
.card-badge{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;gap:7px;padding:6px 12px;border-radius:100px;background:rgba(255,255,255,.94);backdrop-filter:blur(4px);box-shadow:0 4px 12px -3px rgba(15,23,42,.22);font-size:12px;font-weight:700}
.card-badge-dot{width:8px;height:8px;border-radius:3px;flex-shrink:0}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1;min-height:130px}
.card-title{font-size:17.5px;line-height:1.4;font-weight:700;color:var(--text);margin:0 0 20px;letter-spacing:-.01em;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-wrap:pretty}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--text2);font-weight:500}
.card-arrow{margin-left:auto;color:var(--text2);font-size:16px}
[data-card]:hover [data-arrow]{transform:translateX(4px)}

/* ── Empty state ── */
.empty-state{text-align:center;padding:70px 20px;color:#94a3b8}
.empty-title{font-size:17px;font-weight:700;color:var(--text3);margin-bottom:6px;transition:color .3s}
.empty-sub{font-size:14px}

/* ── Article hero ── */
.article-hero{max-width:760px;margin:0 auto;padding:50px 28px 0;width:100%}
.back-link{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;color:var(--text2);text-decoration:none;margin-bottom:24px;transition:color .2s}
.back-link:hover{color:var(--text)}
.back-arrow{font-size:15px}
.article-meta-row{display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.article-cat-pill{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:100px;font-size:12.5px;font-weight:700;text-decoration:none}
.article-cat-dot{width:8px;height:8px;border-radius:3px;flex-shrink:0}
.article-date{font-size:13.5px;color:var(--text2);font-weight:500;transition:color .3s}
.article-h1{font-size:clamp(30px,4.6vw,46px);line-height:1.12;font-weight:800;letter-spacing:-.03em;margin:0 0 30px;text-wrap:balance;color:var(--text);transition:color .3s}
.article-hero-img{position:relative;width:100%;height:clamp(240px,42vw,480px);border-radius:18px;overflow:hidden;border:1px solid var(--border);margin-bottom:44px;transition:border-color .3s}
.hero-img-bg{position:absolute;inset:0;background:linear-gradient(135deg,rgba(59,130,246,.28) 0%,rgba(139,92,246,.18) 50%,#e9eef6 100%)}
.hero-img-stripes{position:absolute;inset:0;background:repeating-linear-gradient(45deg,rgba(15,23,42,.025) 0 14px,transparent 14px 28px)}
.hero-img-label{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:12.5px;letter-spacing:.06em;color:rgba(15,23,42,.4);text-transform:uppercase;white-space:nowrap}

/* ── Prose ── */
.prose-wrap{max-width:720px;margin:0 auto;padding:0 28px}
.prose p{margin:0 0 26px;font-size:18px;line-height:1.8;color:var(--prose);font-weight:400;text-wrap:pretty;transition:color .3s}
.prose h2{margin:42px 0 16px;font-size:25px;line-height:1.3;font-weight:800;letter-spacing:-.02em;color:var(--text);transition:color .3s}
.prose h3{margin:32px 0 14px;font-size:20px;line-height:1.35;font-weight:700;letter-spacing:-.01em;color:var(--text);transition:color .3s}
.prose strong{color:var(--text);font-weight:700}
.prose a{color:#3B82F6;text-decoration:none;border-bottom:1px solid rgba(59,130,246,.35)}
.prose em{font-style:italic}
.prose ul,.prose ol{margin:0 0 26px;padding-left:24px;font-size:18px;line-height:1.8;color:var(--prose)}
.prose li{margin:0 0 8px}
.prose blockquote{margin:0 0 26px;padding:4px 0 4px 20px;border-left:3px solid #3B82F6;color:var(--text3);font-style:italic}
.prose img{max-width:100%;height:auto;border-radius:10px}

/* ── Ad placeholders ── */
.ad-wrap{margin:8px 0 38px}
.ad-wrap-2{margin:38px 0 56px}
.ad-label{font-size:10.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--text2);margin-bottom:8px;text-align:center;transition:color .3s}
.ad-box{width:100%;border-radius:12px;border:1px dashed var(--ad-border);background:var(--ad-bg);display:flex;align-items:center;justify-content:center;font-family:ui-monospace,'SF Mono',Menlo,monospace;font-size:12px;color:var(--text2);transition:background-color .3s,border-color .3s,color .3s}

/* ── Related section ── */
#related-section{max-width:1240px;margin:0 auto;padding:8px 28px 64px;width:100%}
.related-header-row{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.related-heading{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--text);margin:0;transition:color .3s}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}

/* ── Footer ── */
#site-footer{background:#0f172a;color:#e2e8f0}
.footer-inner{max-width:1240px;margin:0 auto;padding:34px 28px;display:flex;flex-wrap:wrap;align-items:center;gap:18px}
.footer-logo-wrap{display:flex;align-items:center;gap:11px}
.footer-logo-icon{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#3B82F6,#8B5CF6);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.footer-logo-text{display:flex;flex-direction:column;line-height:1.3}
.footer-logo-name{font-weight:800;font-size:15px;color:#fff}
.footer-copy{font-size:12.5px;color:#64748b}
.footer-nav{margin-left:auto;display:flex;flex-wrap:wrap;gap:22px}
.footer-link{font-size:13.5px;color:#94a3b8;text-decoration:none;transition:color .2s}
.footer-link:hover{color:#fff}

/* ── Responsive ── */
@media(max-width:768px){
  .header-inner{padding:12px 16px;gap:12px}
  .header-nav .nav-link{display:none}
  .hero-inner{padding:60px 20px 70px}
  .featured-grid{grid-template-columns:1fr}
  #featured-section,#cat-section,#grid-section{padding-left:16px;padding-right:16px}
  .article-hero,.prose-wrap{padding-left:16px;padding-right:16px}
  .article-hero{padding-top:32px}
  #related-section{padding-left:16px;padding-right:16px}
  .archive-hero,.search-hero{padding-left:16px;padding-right:16px}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .footer-nav{margin-left:0}
}
@media(max-width:480px){
  .logo-text{display:none}
}

/* ── WordPress additions ── */
.pagination{display:flex;gap:8px;justify-content:center;padding:40px 0;flex-wrap:wrap}
.pagination a,.pagination span{padding:8px 14px;border:1px solid var(--border2);border-radius:8px;font-size:14px;font-weight:600;color:var(--text2);text-decoration:none;transition:all .2s;background:var(--card)}
.pagination .current{background:#3B82F6;color:#fff;border-color:#3B82F6}
.pagination a:hover{border-color:#3B82F6;color:#3B82F6}
.wp-post-image{width:100%;height:100%;object-fit:cover;display:block}
.archive-hero{max-width:1240px;margin:0 auto;padding:48px 28px 16px;width:100%}
.archive-hero h1{font-size:clamp(26px,4vw,40px);font-weight:800;letter-spacing:-.03em;margin:0 0 8px;color:var(--text);transition:color .3s}
.archive-hero p{font-size:15px;color:var(--text2);margin:0;transition:color .3s}
.no-posts{text-align:center;padding:80px 20px;color:#94a3b8}
.no-posts h2{font-size:20px;font-weight:700;color:var(--text3);margin:0 0 8px}
.no-posts p{font-size:14px;margin:0}
.search-hero{max-width:1240px;margin:0 auto;padding:48px 28px 20px;width:100%}
.search-hero h1{font-size:clamp(22px,3.5vw,36px);font-weight:800;color:var(--text);margin:0 0 6px}
.search-hero p{color:var(--text2);font-size:15px;margin:0}
.not-found-wrap{max-width:600px;margin:100px auto;padding:0 28px;text-align:center}
.not-found-wrap h1{font-size:80px;font-weight:800;background:linear-gradient(100deg,#3B82F6,#8B5CF6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin:0 0 16px;line-height:1}
.not-found-wrap h2{font-size:26px;font-weight:700;color:var(--text);margin:0 0 12px}
.not-found-wrap p{color:var(--text2);font-size:16px;margin:0 0 28px}
.btn-home{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:100px;background:linear-gradient(100deg,#3B82F6,#8B5CF6);color:#fff;text-decoration:none;font-weight:700;font-size:15px;transition:opacity .2s}
.btn-home:hover{opacity:.88}
.wp-block-image img{max-width:100%;height:auto;border-radius:10px}
.wp-caption-text{font-size:13px;color:var(--text2);text-align:center;margin-top:8px}