/* ===== Skin: FLAT — bright friendly flat design, teal + coral, system sans, light ===== */
body.skin-flat{--c:#14b8a6;--c-d:#0d9488;--acc:#fb7185;--acc-d:#f43f5e;--ink:#0f172a;--mut:#64748b;--line:#e2e8f0;--bd:#0f172a;--bg:#ffffff;--tint:#ccfbf1;--tint2:#f0fdfa}
body.skin-flat *{box-sizing:border-box}
body.skin-flat{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);font-size:16px;line-height:1.6}
body.skin-flat h1,body.skin-flat h2,body.skin-flat h3,body.skin-flat h4{font-family:inherit;font-weight:800;line-height:1.2;color:var(--ink);letter-spacing:-.01em}
body.skin-flat a{color:var(--c-d);text-decoration:none}
body.skin-flat a:hover{text-decoration:underline}

/* Chrome */
body.skin-flat .g-header{background:#fff;border-bottom:2px solid var(--line);position:sticky;top:0;z-index:20}
body.skin-flat .g-bar{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:14px 20px;flex-wrap:wrap}
body.skin-flat .g-brand{color:var(--ink);font-weight:800;font-size:18px}
body.skin-flat .g-nav{display:flex;gap:6px;flex-wrap:wrap;margin-left:auto}
body.skin-flat .g-nav a{color:var(--mut);font-size:14px;font-weight:600;padding:8px 12px;border-radius:999px}
body.skin-flat .g-nav a:hover{background:var(--tint);color:var(--c-d);text-decoration:none}
body.skin-flat .g-nav a.is-main{color:var(--c-d)}
body.skin-flat .g-cta{background:var(--c);color:#fff;padding:9px 18px;border-radius:999px;font-weight:700;font-size:14px}
body.skin-flat .g-cta:hover{background:var(--c-d);text-decoration:none}
body.skin-flat .g-main{max-width:1100px;margin:0 auto;padding:28px 20px 64px}
body.skin-flat .g-footer{background:var(--tint2);border-top:2px solid var(--line);margin-top:48px;padding:40px 20px 24px}
body.skin-flat .g-foot-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
body.skin-flat .g-foot-grid h4{color:var(--c-d);font-size:13px;text-transform:uppercase;letter-spacing:.04em;margin:0 0 12px}
body.skin-flat .g-foot-grid a{display:block;color:var(--mut);font-size:14px;font-weight:500;padding:4px 0}
body.skin-flat .g-foot-grid a:hover{color:var(--c-d)}
body.skin-flat .g-foot-brand .g-brand{color:var(--ink)}
body.skin-flat .g-copy{max-width:1100px;margin:26px auto 0;border-top:2px solid var(--line);padding-top:18px;font-size:13px;color:var(--mut)}

/* Hero */
body.skin-flat .hero{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;background:var(--tint);
  border:2px solid var(--bd);border-radius:28px;padding:40px;margin-bottom:32px}
body.skin-flat .hero-copy{min-width:0}
body.skin-flat .hero-h1{font-size:38px;margin:0 0 14px;color:var(--ink)}
body.skin-flat .hero-lead{font-size:18px;color:var(--mut);margin:0 0 18px}
body.skin-flat .hero-badges{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0}
body.skin-flat .hero-badges li{background:#fff;border:2px solid var(--bd);color:var(--ink);font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px}
body.skin-flat .hero-badges li::before{content:"✓ ";color:var(--c-d)}
body.skin-flat .hero-tool{min-width:0}
body.skin-flat .hero-steps{margin:18px 0 0;padding-left:20px;color:var(--mut);font-size:14px}
body.skin-flat .hero-steps li{margin:4px 0}
body.skin-flat .hero-tool-page{max-width:620px;margin:0 auto}

/* Widget */
body.skin-flat .cv-widget{background:#fff;border:2px solid var(--bd);border-radius:20px;padding:10px}
body.skin-flat .cv-drop{padding:30px;text-align:center;border:2px dashed var(--c);border-radius:14px;transition:background .15s,border-color .15s}
body.skin-flat .cv-drop.cv-over{background:var(--tint);border-color:var(--acc)}
body.skin-flat .cv-drop-inner{display:flex;flex-direction:column;align-items:center;gap:4px}
body.skin-flat .cv-icon{font-size:34px;color:var(--c)}
body.skin-flat .cv-drop-title{color:var(--ink);font-weight:800;font-size:18px;margin:8px 0 2px}
body.skin-flat .cv-drop-hint{color:var(--mut);font-size:14px;margin:0 0 14px}
body.skin-flat .cv-btn{background:var(--c);color:#fff;border:0;border-radius:999px;padding:13px 30px;font-weight:800;font-size:15px;cursor:pointer;font-family:inherit}
body.skin-flat .cv-btn:hover{background:var(--c-d)}
body.skin-flat .cv-accept{font-size:12px;color:var(--mut);margin:12px 0 0}
body.skin-flat .cv-status{padding:10px;font-size:14px;font-weight:600;text-align:center}
body.skin-flat .cv-status.cv-busy{color:var(--c-d)}
body.skin-flat .cv-status.cv-ok{color:var(--c-d)}
body.skin-flat .cv-status.cv-error{color:var(--acc-d)}
body.skin-flat .cv-result{text-align:center;padding-bottom:8px}
body.skin-flat .cv-download{display:inline-block;background:var(--acc);color:#fff;padding:12px 26px;border-radius:999px;font-weight:800}
body.skin-flat .cv-download:hover{background:var(--acc-d);text-decoration:none}
body.skin-flat .cv-loading .cv-drop{opacity:.5}

/* Sections / tools */
body.skin-flat .section-h{font-size:24px;color:var(--ink);margin:0 0 18px}
body.skin-flat .toolgrid-wrap,body.skin-flat .content-body,body.skin-flat .articles-strip,body.skin-flat .other-tools,body.skin-flat .faq{margin:40px 0}
body.skin-flat .toolgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
body.skin-flat .tool-card{display:flex;flex-direction:column;gap:6px;background:#fff;border:2px solid var(--bd);border-radius:16px;padding:20px}
body.skin-flat .tool-card:hover{text-decoration:none;background:var(--tint2);border-color:var(--c)}
body.skin-flat .tool-card.is-main{background:var(--tint);border-color:var(--c)}
body.skin-flat .tool-card-label{color:var(--ink);font-weight:800;font-size:16px}
body.skin-flat .tool-card-short{font-size:12px;font-weight:700;color:var(--c-d)}
body.skin-flat .tool-card-lead{font-size:13.5px;color:var(--mut)}

/* Longform */
body.skin-flat .longform{max-width:780px;background:#fff;border:2px solid var(--line);border-radius:20px;padding:32px}
body.skin-flat .longform .lead-copy p:first-child{font-size:18px;color:var(--ink);font-weight:500}
body.skin-flat .lf-section{margin:0 0 8px}
body.skin-flat .longform h2{font-size:24px;margin:30px 0 12px;color:var(--ink)}
body.skin-flat .longform p{margin:0 0 16px;color:#475569}
body.skin-flat .longform a{color:var(--acc-d);font-weight:600}

/* Articles list */
body.skin-flat .art-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
body.skin-flat .art-card{display:flex;flex-direction:column;gap:7px;background:#fff;border:2px solid var(--bd);border-radius:16px;padding:20px}
body.skin-flat .art-card:hover{text-decoration:none;background:var(--tint2)}
body.skin-flat .art-cluster{font-size:12px;font-weight:700;color:var(--acc-d);text-transform:uppercase;letter-spacing:.03em}
body.skin-flat .art-title{color:var(--ink);font-weight:800;font-size:16px;line-height:1.3}
body.skin-flat .art-excerpt{font-size:13.5px;color:var(--mut)}
body.skin-flat .art-meta{font-size:12px;color:#94a3b8;margin-top:auto}
body.skin-flat .articles-strip-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
body.skin-flat .more-link{color:var(--c-d);font-weight:700}

/* FAQ */
body.skin-flat .faq-title{font-size:24px;color:var(--ink);margin:0 0 18px}
body.skin-flat .faq-list{display:flex;flex-direction:column;gap:10px}
body.skin-flat .faq-item{border:2px solid var(--bd);border-radius:14px;background:#fff;overflow:hidden}
body.skin-flat .faq-q{cursor:pointer;padding:16px 18px;font-weight:700;color:var(--ink);list-style:none}
body.skin-flat .faq-q::-webkit-details-marker{display:none}
body.skin-flat .faq-q::before{content:"+ ";color:var(--c-d);font-weight:800}
body.skin-flat .faq-item[open]{border-color:var(--c)}
body.skin-flat .faq-item[open] .faq-q{color:var(--c-d)}
body.skin-flat .faq-item[open] .faq-q::before{content:"– "}
body.skin-flat .faq-a{padding:0 18px 16px;color:var(--mut)}

/* Article page */
body.skin-flat .crumbs{font-size:13px;color:var(--mut);margin:20px 0 14px}
body.skin-flat .crumbs span{margin:0 6px}
body.skin-flat .article{max-width:760px;background:#fff;border:2px solid var(--line);border-radius:20px;padding:34px}
body.skin-flat .article-head{margin-bottom:8px}
body.skin-flat .article-head h1{font-size:32px;color:var(--ink);margin:8px 0}
body.skin-flat .article-meta{color:#94a3b8;font-size:13px}
body.skin-flat .tool-cta{background:var(--tint);border:2px solid var(--bd);border-radius:18px;padding:20px 24px;display:flex;gap:16px;
  align-items:center;justify-content:space-between;flex-wrap:wrap;margin:22px 0}
body.skin-flat .tool-cta-foot{margin-top:28px}
body.skin-flat .cta-btn{background:var(--c);color:#fff;padding:12px 24px;border-radius:999px;font-weight:800}
body.skin-flat .cta-btn:hover{background:var(--c-d);color:#fff;text-decoration:none}
body.skin-flat .article-body{color:#475569}
body.skin-flat .article-body h2{color:var(--ink);font-size:25px;margin:30px 0 12px}
body.skin-flat .article-body h3{color:var(--ink);font-size:19px;margin:24px 0 10px}
body.skin-flat .article-body p{margin:0 0 16px}
body.skin-flat .article-body ul,body.skin-flat .article-body ol{margin:0 0 16px 24px}
body.skin-flat .article-body a{color:var(--acc-d);font-weight:600}

/* Index / error */
body.skin-flat .page-head{margin-bottom:8px}
body.skin-flat .page-head h1{font-size:34px;color:var(--ink)}
body.skin-flat .page-head-lead{font-size:18px;color:var(--mut)}
body.skin-flat .cluster-block{margin:34px 0}
body.skin-flat .empty-note{color:var(--mut);background:var(--tint2);border:2px dashed var(--line);border-radius:14px;padding:20px;text-align:center}
body.skin-flat .error-page{text-align:center;padding:80px 0}
body.skin-flat .error-page h1{font-size:80px;color:var(--c);margin:0}

@media(max-width:760px){
  body.skin-flat .hero{grid-template-columns:1fr;padding:28px}
  body.skin-flat .hero-h1{font-size:30px}
  body.skin-flat .g-foot-grid{grid-template-columns:1fr 1fr}
}