/* PDFChai blog (bl- prefix). Plain CSS, independent of the Tailwind build. */

/* ── listing hero ── */
.bl-hero{background:linear-gradient(180deg,#f3f6ff 0%,#fff 100%);padding:28px 0 8px;text-align:center}
.bl-hero h1{font-size:clamp(1.9rem,4vw,2.9rem);font-weight:900;letter-spacing:-.025em;color:#0f172a;margin:6px 0 10px;line-height:1.12}
.bl-lead{max-width:720px;margin:0 auto 18px;color:#475569;font-size:1.05rem;line-height:1.6}
.bl-crumbs{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;font-size:.85rem;color:#64748b}
.bl-crumbs a{color:#64748b;text-decoration:none}
.bl-crumbs a:hover{color:#2563eb}
.bl-cats{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:4px 0 10px}
.bl-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid #dbe3f3;background:#fff;color:#334155;border-radius:999px;padding:7px 14px;font-size:.88rem;font-weight:700;text-decoration:none;transition:.15s}
.bl-chip span{background:#eef2ff;color:#4338ca;border-radius:999px;padding:0 7px;font-size:.75rem;line-height:1.5}
.bl-chip:hover{border-color:#2563eb;color:#2563eb}
.bl-chip.is-on{background:#0f172a;border-color:#0f172a;color:#fff}
.bl-chip.is-on span{background:rgba(255,255,255,.18);color:#fff}

.bl-list{padding-top:18px;padding-bottom:48px}

/* ── featured post ── */
.bl-feature{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:26px;align-items:center;background:#fff;border:1px solid #e8edf6;border-radius:20px;padding:16px;margin-bottom:34px;box-shadow:0 10px 30px rgba(15,23,42,.05)}
.bl-feature-img{display:block;border-radius:14px;overflow:hidden;aspect-ratio:1200/630;background:color-mix(in srgb,var(--c) 12%,#fff)}
.bl-feature-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .3s}
.bl-feature:hover .bl-feature-img img{transform:scale(1.02)}
.bl-feature-body{padding:6px 10px 6px 0}
.bl-feature-title{font-size:clamp(1.35rem,2.6vw,1.9rem);font-weight:900;line-height:1.2;letter-spacing:-.015em;margin:8px 0 10px}
.bl-feature-title a{color:#0f172a;text-decoration:none}
.bl-feature-title a:hover{color:#2563eb}

/* ── cards ── */
.bl-grid-title{font-size:1.3rem;font-weight:900;color:#0f172a;margin:0 0 16px}
.bl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:20px}
.bl-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e8edf6;border-radius:18px;overflow:hidden;transition:transform .15s,box-shadow .15s,border-color .15s}
.bl-card:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(15,23,42,.08);border-color:#cfd9ee}
.bl-card-img{display:block;aspect-ratio:1200/630;background:color-mix(in srgb,var(--c) 12%,#fff);overflow:hidden}
.bl-card-img img{width:100%;height:100%;object-fit:cover;display:block}
.bl-card-ph{display:flex;width:100%;height:100%;align-items:center;justify-content:center;font-size:3rem}
.bl-card-body{display:flex;flex-direction:column;gap:8px;padding:16px 18px 18px;flex:1}
.bl-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0;font-size:.8rem;color:#64748b}
.bl-tag{display:inline-block;background:color-mix(in srgb,var(--c) 12%,#fff);color:var(--c);border-radius:999px;padding:2px 10px;font-weight:800;text-decoration:none;font-size:.75rem}
.bl-tag:hover{background:color-mix(in srgb,var(--c) 20%,#fff)}
.bl-card-title{font-size:1.12rem;font-weight:800;line-height:1.3;margin:0}
.bl-card-title a{color:#0f172a;text-decoration:none}
.bl-card-title a:hover{color:#2563eb}
.bl-card-desc{color:#64748b;font-size:.92rem;line-height:1.55;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.bl-card-foot{display:flex;justify-content:space-between;align-items:center;margin:auto 0 0;padding-top:6px;font-size:.82rem;color:#94a3b8}
.bl-card-foot a{color:#2563eb;font-weight:800;text-decoration:none}
.bl-card-foot a:hover{text-decoration:underline}
.bl-empty{text-align:center;color:#64748b;padding:30px 0}
.bl-pages{display:flex;justify-content:center;align-items:center;gap:16px;margin:30px 0 0;color:#64748b;font-size:.92rem}
.bl-pages a{border:1px solid #dbe3f3;border-radius:10px;padding:8px 14px;color:#0f172a;font-weight:700;text-decoration:none}
.bl-pages a:hover{border-color:#2563eb;color:#2563eb}

.bl-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:44px;background:linear-gradient(135deg,#1e1b4b,#4338ca);color:#fff;border-radius:20px;padding:26px 28px}
.bl-band h2{font-size:1.3rem;font-weight:900;margin:0 0 4px}
.bl-band p{margin:0;color:rgba(255,255,255,.75);font-size:.95rem}
.bl-band-btn{background:#fff;color:#1e1b4b;font-weight:800;border-radius:12px;padding:11px 18px;text-decoration:none;white-space:nowrap}
.bl-band-btn:hover{background:#e0e7ff}

/* ── article header ── */
.bl-head{background:linear-gradient(180deg,color-mix(in srgb,var(--c) 9%,#f8faff) 0%,#fff 100%);padding:26px 0 18px;border-bottom:1px solid #eef2f8}
.bl-head-in{max-width:880px;text-align:center}
.bl-head h1{font-size:clamp(1.7rem,3.8vw,2.7rem);font-weight:900;letter-spacing:-.025em;line-height:1.15;color:#0f172a;margin:12px 0 12px}
.bl-head .bl-lead{margin-bottom:14px}
.bl-byline{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;color:#64748b;font-size:.9rem}
.bl-byline b{color:#0f172a}
.bl-avatar{display:inline-flex;width:30px;height:30px;border-radius:50%;background:#fff7ed;border:1px solid #fed7aa;align-items:center;justify-content:center}

/* ── article layout ── */
.bl-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:44px;align-items:start;padding-top:28px;padding-bottom:30px;max-width:1120px}
.bl-article{min-width:0;max-width:760px}
.bl-cover{margin:0 0 26px;border-radius:18px;overflow:hidden;border:1px solid #eef2f8;aspect-ratio:1200/630;background:#f8fafc}
.bl-cover img{width:100%;height:100%;object-fit:cover;display:block}
.bl-side{position:sticky;top:84px}
.bl-side-in{display:flex;flex-direction:column;gap:18px}
.bl-side-title{font-size:.78rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#64748b;margin:0 0 8px}
.bl-toc{background:#f8fafc;border:1px solid #e8edf6;border-radius:16px;padding:16px 16px 12px}
.bl-toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
.bl-toc li{counter-increment:t;margin:0 0 6px}
.bl-toc a{display:block;color:#334155;font-size:.88rem;line-height:1.4;text-decoration:none;padding:4px 8px;border-radius:8px;border-left:2px solid transparent}
.bl-toc a:hover{background:#eef2ff;color:#1e40af}
.bl-toc a.is-on{border-left-color:#2563eb;background:#eef2ff;color:#1e40af;font-weight:700}
.bl-toc-m{display:none;margin-bottom:22px}
.bl-toc-m summary{font-weight:800;color:#0f172a;cursor:pointer}
.bl-toc-m ol{margin-top:10px}
.bl-side-tools{display:flex;flex-direction:column;gap:8px}
.bl-side-tool{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid #e8edf6;border-radius:12px;padding:10px 12px;color:#0f172a;font-weight:700;font-size:.92rem;text-decoration:none;transition:.15s}
.bl-side-tool span{display:inline-flex;width:30px;height:30px;border-radius:9px;align-items:center;justify-content:center;background:color-mix(in srgb,var(--c) 14%,#fff)}
.bl-side-tool:hover{border-color:var(--c);transform:translateX(2px)}

/* ── article text ── */
.bl-prose{color:#1e293b;font-size:1.06rem;line-height:1.75}
.bl-prose > *:first-child{margin-top:0}
.bl-prose h2{font-size:1.6rem;font-weight:900;letter-spacing:-.015em;line-height:1.25;color:#0f172a;margin:2.1em 0 .6em;scroll-margin-top:84px}
.bl-prose h3{font-size:1.22rem;font-weight:800;line-height:1.3;color:#0f172a;margin:1.6em 0 .45em;scroll-margin-top:84px}
.bl-prose p{margin:0 0 1.05em}
.bl-prose a{color:#2563eb;font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.bl-prose a:hover{color:#1d4ed8}
.bl-prose ul,.bl-prose ol{margin:0 0 1.1em;padding-left:1.4em}
.bl-prose ul{list-style:disc}
.bl-prose ol{list-style:decimal}
.bl-prose li{margin:.35em 0;padding-left:.2em}
.bl-prose li::marker{color:#2563eb;font-weight:800}
.bl-prose strong,.bl-prose b{color:#0f172a;font-weight:800!important}   /* tool_home.css forces b,strong to 500 site-wide */
.bl-tool-txt b,.bl-byline b{font-weight:800!important}
.bl-prose code{background:#f1f5f9;border-radius:6px;padding:.1em .4em;font-size:.9em}
.bl-prose blockquote{margin:1.3em 0;padding:4px 18px;border-left:4px solid #c7d2fe;color:#475569;font-style:italic}
.bl-prose img{max-width:100%;height:auto;border-radius:14px;border:1px solid #eef2f8}
.bl-fig{margin:1.6em 0 1.9em;text-align:center}
.bl-fig img{display:block;margin:0 auto;width:auto;max-height:640px;border-radius:12px;border:1px solid #e2e8f0;box-shadow:0 10px 30px -12px rgba(15,23,42,.25)}
.bl-fig figcaption{margin-top:.75em;font-size:.9rem;line-height:1.5;color:#64748b}
.bl-prose hr{border:0;border-top:1px solid #e8edf6;margin:2em 0}
.bl-table{overflow-x:auto;margin:0 0 1.3em;border:1px solid #e8edf6;border-radius:14px}
.bl-table table{width:100%;border-collapse:collapse;font-size:.95rem;line-height:1.5}
.bl-table th{background:#f8fafc;text-align:left;font-weight:800;color:#0f172a}
.bl-table th,.bl-table td{padding:10px 14px;border-bottom:1px solid #eef2f8;vertical-align:top}
.bl-table tr:last-child td{border-bottom:0}

/* boxes */
.bl-box{border-radius:16px;padding:16px 20px 6px;margin:1.4em 0;border:1px solid}
.bl-box-label{font-size:.78rem!important;font-weight:900;letter-spacing:.07em;text-transform:uppercase;margin:0 0 .5em!important}
.bl-box ul,.bl-box ol{margin-bottom:.8em}
.bl-box-takeaways{background:#f5f8ff;border-color:#dbe4ff}
.bl-box-takeaways .bl-box-label{color:#1d4ed8}
.bl-box-tip{background:#f0fdf4;border-color:#bbf7d0}
.bl-box-tip .bl-box-label{color:#15803d}
.bl-box-note{background:#faf5ff;border-color:#e9d5ff}
.bl-box-note .bl-box-label{color:#7e22ce}
.bl-box-warning{background:#fff7ed;border-color:#fed7aa}
.bl-box-warning .bl-box-label{color:#c2410c}

/* tool call-to-action */
.bl-tool{display:flex;align-items:center;gap:14px;margin:1.5em 0;padding:14px 16px;border:1px solid color-mix(in srgb,var(--c) 30%,#fff);background:color-mix(in srgb,var(--c) 6%,#fff);border-radius:16px;text-decoration:none!important;color:#0f172a!important;transition:.15s}
.bl-tool:hover{box-shadow:0 12px 26px rgba(15,23,42,.08);transform:translateY(-2px)}
.bl-tool-ic{flex:none;display:inline-flex;width:46px;height:46px;border-radius:12px;align-items:center;justify-content:center;font-size:1.5rem;background:#fff;border:1px solid color-mix(in srgb,var(--c) 30%,#fff)}
.bl-tool-txt{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
.bl-tool-txt b{font-size:1.02rem;font-weight:800}
.bl-tool-txt small{color:#64748b;font-size:.88rem;line-height:1.4;font-weight:500}
.bl-tool-go{flex:none;background:var(--c);color:#fff;border-radius:10px;padding:9px 14px;font-weight:800;font-size:.88rem;white-space:nowrap}

/* closing call to action */
.bl-cta{margin:2.2em 0 .5em;padding:24px 22px;border-radius:18px;text-align:center;background:linear-gradient(135deg,color-mix(in srgb,var(--c) 10%,#fff),color-mix(in srgb,var(--c) 4%,#fff));border:1px solid color-mix(in srgb,var(--c) 26%,#fff)}
.bl-cta-title{font-size:1.25rem!important;font-weight:900;color:#0f172a;margin:0 0 14px!important;line-height:1.35}
.bl-prose a.bl-cta-btn{display:inline-flex;align-items:center;gap:8px;background:var(--c);color:#fff;font-weight:800;text-decoration:none;border-radius:12px;padding:12px 22px;font-size:1rem}
.bl-prose a.bl-cta-btn:hover{color:#fff;filter:brightness(1.07)}

/* privacy box under every article */
.bl-safe{margin:28px 0 0;padding:18px 20px;border-radius:16px;background:#f8fafc;border:1px solid #e8edf6}
.bl-safe-title{font-weight:900;color:#0f172a;margin:0 0 8px}
.bl-safe ul{margin:0;padding-left:1.2em;list-style:disc;color:#475569;font-size:.95rem;line-height:1.6}
.bl-safe li{margin:.25em 0}

/* share */
.bl-share{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:34px 0 0;padding-top:20px;border-top:1px solid #e8edf6}
.bl-share span{font-weight:800;color:#0f172a;margin-right:6px}
.bl-share a,.bl-copy{display:inline-flex;min-width:38px;height:38px;padding:0 12px;border-radius:999px;border:1px solid #dbe3f3;background:#fff;color:#0f172a;font-weight:800;align-items:center;justify-content:center;text-decoration:none;font-size:.9rem;cursor:pointer}
.bl-share a:hover,.bl-copy:hover{border-color:#2563eb;color:#2563eb}

.bl-related{background:#f8fafc;border-top:1px solid #eef2f8;padding:40px 0 46px}
.bl-all{text-align:center;margin:22px 0 0}
.bl-all a{color:#2563eb;font-weight:800;text-decoration:none}

/* tool pages: "Guides" block */
.bl-guides-band{background:#f8fafc;border-top:1px solid #eef2f8;padding:8px 0 38px}
.bl-guides{max-width:1100px;margin:0 auto;padding:34px 18px 0}
.bl-guides h2{font-size:1.35rem;font-weight:900;color:#0f172a;margin:0 0 14px}

@media (max-width:980px){
  .bl-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .bl-side{position:static;margin-top:26px}
  .bl-side .bl-toc{display:none}
  .bl-toc-m{display:block}
  .bl-article{max-width:none}
}
@media (max-width:720px){
  .bl-cats{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;margin:4px -18px 10px;padding:2px 18px 6px;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .bl-cats::-webkit-scrollbar{display:none}
  .bl-chip{flex:none}
  .bl-feature{grid-template-columns:minmax(0,1fr);gap:12px;padding:12px}
  .bl-feature-body{padding:0 4px 6px}
  .bl-grid{grid-template-columns:minmax(0,1fr)}
  .bl-prose{font-size:1rem}
  .bl-prose h2{font-size:1.38rem}
  .bl-tool{flex-wrap:wrap}
  .bl-tool-go{width:100%;text-align:center}
  .bl-band{padding:22px}
  .bl-band-btn{width:100%;text-align:center}
}