:root{
  --ink:oklch(24% .02 250);
  --muted:oklch(52% .03 250);
  --paper:oklch(97% .008 250);
  --surface:oklch(100% .002 250);
  --line:oklch(90% .015 250);
  --accent:oklch(52% .15 250);
  --accent-dark:oklch(42% .13 250);
  --accent-soft:oklch(94% .04 250);
  --warn:oklch(68% .16 75);
  --danger:oklch(58% .19 28);
  /* aliases used by inherited pSEO subpage inline styles */
  --heading:var(--ink);
  --border:var(--line);
  --primary:var(--accent-dark);
  /* authentic LinkedIn surface tokens */
  --li-blue:#0a66c2;
  --li-text:rgba(0,0,0,.9);
  --li-sub:rgba(0,0,0,.6);
  --li-line:rgba(0,0,0,.08);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);font-synthesis:none;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--paper);font-size:16px;line-height:1.55;overflow-x:hidden}
button,input,textarea{font:inherit}
button{cursor:pointer}
a{color:inherit}

/* ============ Header ============ */
.site-header{min-height:74px;display:flex;align-items:center;gap:32px;padding:0 clamp(16px,5vw,72px);border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:20}
.logo,.brand{font-size:18px;font-weight:850;letter-spacing:-.04em;text-decoration:none}
.logo span,.brand span{color:var(--accent)}
.site-header nav{display:flex;gap:24px;margin-left:auto;font-size:14px;color:var(--muted)}
.site-header nav a{text-decoration:none}
.site-header nav a:hover{color:var(--accent-dark)}

/* ============ Layout + Hero ============ */
.page-wrapper{max-width:1200px;margin:auto;padding:0 clamp(16px,5vw,72px) 80px}
.hero{padding:64px 0 40px;max-width:820px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.1em;font-size:11px;font-weight:850;color:var(--accent-dark);background:var(--accent-soft);padding:7px 14px;border-radius:999px}
.page-title{font-size:clamp(42px,7vw,80px);line-height:1;letter-spacing:-.06em;margin:18px 0 18px;text-wrap:balance}
.page-subtitle{max-width:680px;color:var(--muted);font-size:18px;line-height:1.6}

/* ============ Tool grid ============ */
.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 400px;gap:24px;align-items:start}

/* --- Input panel --- */
.input-panel{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px}
.panel-label{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:850;margin-bottom:11px}
#post-input{width:100%;min-height:340px;resize:vertical;padding:16px;border:1px solid var(--line);border-radius:13px;background:var(--paper);color:var(--ink);line-height:1.55;transition:border-color .18s,box-shadow .18s}
#post-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.stats-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.stat{flex:1 1 auto;min-width:96px;display:flex;flex-direction:column;gap:2px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--paper);font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:800}
.stat span{font-size:22px;font-weight:800;letter-spacing:-.03em;color:var(--accent-dark);font-variant-numeric:tabular-nums;text-transform:none;transition:color .18s}
.stat span.near{color:var(--warn)}
.stat span.over{color:var(--danger)}
.btn-row{display:flex;flex-wrap:wrap;gap:8px}
.btn{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 16px;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:11px;font-size:14px;font-weight:750;transition:transform .18s cubic-bezier(.16,1,.3,1),border-color .18s,background .18s,color .18s}
.btn:hover{transform:translateY(-1px);border-color:var(--accent);background:var(--accent-soft)}
.btn-primary{background:var(--accent);color:oklch(99% .01 250);border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:oklch(99% .01 250)}
.btn.is-copied{background:oklch(58% .14 155);border-color:oklch(58% .14 155);color:#fff;transform:none}
.btn.is-error{background:var(--danger);border-color:var(--danger);color:#fff;transform:none}
.privacy-note{display:flex;align-items:center;gap:9px;margin-top:16px;color:var(--muted);font-size:13px}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--accent-soft);flex:none}

/* ============ Sidebar previews ============ */
.tool-sidebar{display:flex;flex-direction:column;gap:16px}
.preview-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.preview-header{display:flex;align-items:center;gap:8px;padding:13px 16px;border-bottom:1px solid var(--line);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:var(--paper)}
.preview-header svg{color:var(--accent-dark)}
.preview-body{padding:16px}

/* --- Authentic LinkedIn feed card (light-on-white on purpose) --- */
.li-post{background:#fff;border:1px solid var(--li-line);border-radius:10px;padding:16px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.li-post-header{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.li-avatar{flex:none;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--li-blue),#378fe9)}
.li-meta{min-width:0;line-height:1.25}
.li-name{font-size:14px;font-weight:700;color:var(--li-text)}
.li-title{font-size:12px;color:var(--li-sub)}
.li-time{font-size:12px;color:var(--li-sub)}
.li-text{font-size:14px;line-height:1.45;color:var(--li-text);word-break:break-word;white-space:pre-wrap}
.li-text:empty::before{content:"Your post preview will appear here…";color:var(--li-sub)}
.truncated-text{color:var(--li-text)}
.li-see-more{display:none;margin-top:2px;padding:2px 0;border:none;background:none;color:var(--li-sub);font-size:14px;font-weight:600}
.li-see-more:hover{color:var(--li-blue);text-decoration:underline}
.li-actions{display:flex;gap:4px;margin-top:12px;padding-top:8px;border-top:1px solid var(--li-line)}
.li-actions span{flex:1;text-align:center;padding:6px 4px;border-radius:6px;font-size:12.5px;font-weight:600;color:var(--li-sub)}

/* --- Hook score panel --- */
.score-panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px}
.score-header{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.score-kicker{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:850;margin-bottom:4px}
.score-number{font-size:34px;font-weight:850;letter-spacing:-.05em;color:var(--accent-dark);font-variant-numeric:tabular-nums}
.score-max{font-size:14px;color:var(--muted)}
.score-label{font-size:14px;font-weight:800}
.score-bar-bg{height:8px;border-radius:999px;background:var(--accent-soft);overflow:hidden;margin:14px 0 0}
.score-bar{height:100%;width:0;border-radius:inherit;background:var(--accent);transition:width .25s cubic-bezier(.16,1,.3,1)}
.score-tips{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}
.score-tips li{position:relative;padding-left:20px;font-size:13px;line-height:1.5;color:var(--muted)}
.score-tips li::before{content:"→";position:absolute;left:0;color:var(--accent-dark);font-weight:800}

/* ============ SEO content ============ */
.seo-content{max-width:820px;margin:88px auto 0}
.seo-content h2,.faq-heading{font-size:clamp(26px,3.6vw,40px);line-height:1.06;letter-spacing:-.05em;margin:48px 0 16px;text-wrap:balance}
.seo-content>h2:first-child{margin-top:0}
.seo-content p{color:var(--muted);line-height:1.75;margin-bottom:14px;max-width:72ch}
.seo-content strong{color:var(--ink)}
.seo-content em{color:var(--ink);font-style:italic}
.seo-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.seo-content th,.seo-content td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
.seo-content th{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.seo-content td{color:var(--muted)}
.seo-content tr:hover td{background:var(--surface)}

/* --- FAQ --- */
.faq-section{margin-top:24px}
.faq-list{margin-top:8px}
.faq-item{border-top:1px solid var(--line);padding:18px 0}
.faq-item summary{cursor:pointer;font-weight:800;letter-spacing:-.01em;list-style:none;display:flex;justify-content:space-between;gap:18px;color:var(--ink)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';color:var(--accent-dark);font-size:20px;line-height:1}
.faq-item[open] summary::after{content:'−'}
.faq-item p{margin:12px 0 0;font-size:15px}

/* ============ Related + footer ============ */
.related-section{margin-top:64px}
.related-heading{font-size:14px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.related-card{display:flex;align-items:center;padding:16px 18px;border:1px solid var(--line);border-radius:13px;background:var(--surface);text-decoration:none;font-weight:700;font-size:14px;transition:transform .18s cubic-bezier(.16,1,.3,1),border-color .18s,color .18s}
.related-card:hover{transform:translateY(-2px);border-color:var(--accent);color:var(--accent-dark)}
.site-footer{margin-top:72px;padding:28px clamp(16px,5vw,72px);border-top:1px solid var(--line);color:var(--muted);font-size:13px;text-align:center}
.site-footer a{color:var(--accent-dark);text-decoration:none}

/* ============ pSEO subpage containers (inherited) ============ */
.dt-container{max-width:820px;margin-left:auto;margin-right:auto}
.dt-mb-16{margin-bottom:16px}
.related-section.dt-container{max-width:1200px;padding:0}

:focus-visible{outline:3px solid var(--accent);outline-offset:3px}

/* ============ Responsive ============ */
@media(max-width:900px){
  .tool-layout{grid-template-columns:1fr}
  .tool-sidebar{order:2}
}
@media(max-width:640px){
  .site-header{min-height:62px;gap:16px}
  .site-header nav{display:none}
  .hero{padding:44px 0 28px}
  .page-title{font-size:clamp(38px,11vw,60px)}
  .input-panel{padding:16px}
  #post-input{min-height:220px;font-size:16px}
  .btn{flex:1 1 auto}
  .related-grid{grid-template-columns:1fr}
  .li-post,.preview-body,.li-text,.li-post-header,.li-avatar{max-width:100%}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important}
}