/* TuBlogDeIA · estilos comunes a todas las páginas (cabecera, pie y bloques reutilizables).
   Todo lo de aquí usa el prefijo tb- para no chocar con los estilos propios de cada página. */
:root{--tb-orange:#f47b20;--tb-orange2:#d95f08;--tb-soft:#fff5ed;--tb-ink:#0f172a;--tb-text:#272727;--tb-muted:#6b6b6b;--tb-line:#ececec;--tb-ease:cubic-bezier(.16,1,.3,1)}
html{scroll-behavior:smooth}
.tb-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.tb-skip{position:absolute;left:-9999px;top:0;background:#fff;color:var(--tb-ink);padding:10px 16px;border-radius:0 0 10px 0;font-weight:800;z-index:100}
.tb-skip:focus{left:0}

/* ── Cabecera ── */
.tb-header{position:sticky;top:0;z-index:50;padding:0;background:rgba(255,255,255,.9);backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid rgba(0,0,0,.07);font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;line-height:1.4}
.tb-bar{width:min(calc(100% - 40px),1160px);margin:auto;height:68px;display:flex;align-items:center;gap:18px}
.tb-logo{display:flex;align-items:center;flex-shrink:0;margin-right:auto}
.tb-logo img{display:block;height:40px;width:auto}
.tb-nav{display:flex;align-items:center;gap:22px;font-size:14px;font-weight:700}
.tb-nav a,.tb-dd>button{color:#333;text-decoration:none;background:none;border:0;padding:6px 0;font:inherit;cursor:pointer;display:inline-flex;align-items:center;gap:5px;transition:color .2s}
.tb-nav a:hover,.tb-dd>button:hover,.tb-nav a[aria-current]{color:var(--tb-orange2)}
.tb-dd{position:relative}
.tb-dd>button::after{content:'';width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s}
.tb-dd.open>button::after{transform:rotate(-135deg) translateY(-1px)}
.tb-menu{position:absolute;top:calc(100% + 10px);left:-14px;min-width:230px;background:#fff;border:1px solid var(--tb-line);border-radius:16px;box-shadow:0 18px 44px rgba(20,20,20,.12);padding:8px;display:none;flex-direction:column}
.tb-dd.open .tb-menu{display:flex}
.tb-menu a{padding:9px 12px;border-radius:10px;font-weight:650;white-space:nowrap}
.tb-menu a:hover{background:var(--tb-soft)}
.tb-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border:0;background:none;cursor:pointer;color:#333;border-radius:10px;flex-shrink:0}
.tb-icon-btn:hover{color:var(--tb-orange2);background:var(--tb-soft)}
.tb-icon-btn svg{width:20px;height:20px}
.tb-toggle{display:none}
.tb-header :focus-visible,.tb-footer :focus-visible{outline:2px solid var(--tb-orange);outline-offset:2px;border-radius:6px}
@media(max-width:920px){
 .tb-toggle{display:inline-flex}
 .tb-nav{position:fixed;top:68px;left:0;right:0;height:calc(100vh - 68px);height:calc(100dvh - 68px);background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px 40px;overflow-y:auto;display:none;font-size:16px}
 .tb-nav.open{display:flex}
 .tb-nav>a,.tb-dd>button{padding:15px 0;border-bottom:1px solid var(--tb-line);width:100%;justify-content:space-between}
 .tb-menu{position:static;display:none;border:0;box-shadow:none;padding:4px 0 10px 12px;min-width:0}
 .tb-menu a{padding:10px 0;white-space:normal}
}

/* ── Pie ── */
.tb-footer{border-top:1px solid var(--tb-line);background:#fafafa;padding:44px 0 26px;margin-top:40px;color:#666;font-size:14px;font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;line-height:1.6}
.tb-footer-in{width:min(calc(100% - 40px),1160px);margin:auto}
.tb-fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.tb-fgrid img{height:34px;width:auto;display:block;margin-bottom:12px}
.tb-fgrid p{margin:0;max-width:300px;font-size:14px;line-height:1.6;color:#666}
.tb-fgrid strong{display:block;color:var(--tb-ink);font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}
.tb-fgrid a{display:block;color:#555;text-decoration:none;padding:3px 0}
.tb-fgrid a:hover{color:var(--tb-orange2)}
.tb-fbottom{border-top:1px solid var(--tb-line);margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#888}
.tb-fbottom a{color:#666;text-decoration:none}.tb-fbottom a:hover{color:var(--tb-orange2)}
@media(max-width:820px){.tb-fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.tb-fgrid{grid-template-columns:1fr}}

/* ── Bloques de artículo ── */
.tb-wrap{width:min(calc(100% - 40px),var(--max,900px));margin-left:auto;margin-right:auto}
.tb-crumbs{font-size:13px;color:var(--tb-muted);margin:0 0 14px;line-height:1.5}
.tb-crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 8px}
.tb-crumbs li{display:inline-flex;gap:8px;align-items:center;margin:0}
.tb-crumbs li+li::before{content:'›';color:#bbb}
.tb-crumbs a{color:var(--tb-muted);text-decoration:none}.tb-crumbs a:hover{color:var(--tb-orange2)}
.tb-byline{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--tb-muted);margin:0 0 22px}
.tb-byline a{color:#444;font-weight:700;text-decoration:none}.tb-byline a:hover{color:var(--tb-orange2)}
.tb-hero{margin:0 0 26px}
.tb-hero img{display:block;width:100%;height:auto;aspect-ratio:2/1;max-height:360px;object-fit:cover;border-radius:18px;background:#f4f4f4}
.tb-end{margin-top:46px}
.tb-h{font-size:24px;line-height:1.2;letter-spacing:-.5px;margin:44px 0 16px;color:var(--tb-text)}
.tb-faq details{border:1px solid var(--tb-line);border-radius:14px;padding:0 18px;margin:10px 0;background:#fff}
.tb-faq details[open]{border-color:#ffd5b8}
.tb-faq summary{cursor:pointer;list-style:none;padding:15px 0;font-weight:750;font-size:16.5px;display:flex;justify-content:space-between;gap:12px;line-height:1.4}
.tb-faq summary::-webkit-details-marker{display:none}
.tb-faq summary::after{content:'+';font-size:22px;line-height:1;color:var(--tb-orange);flex-shrink:0;transition:transform .25s var(--tb-ease)}
.tb-faq details[open] summary::after{transform:rotate(45deg)}
.tb-faq details p{margin:0 0 16px;color:#444;font-size:16px;line-height:1.65}
.tb-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tb-card{display:flex;flex-direction:column;border:1px solid var(--tb-line);border-radius:18px;overflow:hidden;background:#fff;text-decoration:none;color:inherit;transition:transform .35s var(--tb-ease),box-shadow .35s var(--tb-ease),border-color .35s}
.tb-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(20,20,20,.1);border-color:#ffd5b8}
.tb-card img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;background:#f4f4f4}
.tb-card-b{padding:16px 18px 18px}
.tb-card-t{font-size:11px;font-weight:850;color:#c65b10;text-transform:uppercase;letter-spacing:.07em}
.tb-card-h{display:block;font-size:17px;font-weight:800;line-height:1.25;margin:6px 0;color:var(--tb-text);letter-spacing:-.2px}
.tb-card-d{font-size:13.5px;color:var(--tb-muted);line-height:1.5;margin:0}
@media(max-width:860px){.tb-cards{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.tb-cards{grid-template-columns:1fr}}
.tb-author{display:flex;gap:18px;align-items:flex-start;border:1px solid var(--tb-line);background:#fafafa;border-radius:18px;padding:22px;margin:40px 0 0}
.tb-author img,.tb-author .tb-avatar{width:72px;height:72px;border-radius:50%;object-fit:cover;flex-shrink:0;background:linear-gradient(135deg,var(--tb-orange),#ffb066);display:grid;place-items:center;color:#fff;font-weight:900;font-size:26px}
.tb-author-n{font-weight:800;font-size:16px;color:var(--tb-text);margin:0 0 4px}
.tb-author-n small{display:block;font-size:12px;font-weight:700;color:var(--tb-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:2px}
.tb-author p{margin:0;font-size:14.5px;color:#555;line-height:1.6}
.tb-author a{color:var(--tb-orange2);font-weight:700;text-decoration:none}
@media(max-width:480px){.tb-author{flex-direction:column}}
.tb-tools{display:flex;gap:10px;flex-wrap:wrap;margin:6px 0 0}
.tb-tools a{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border:1px solid var(--tb-line);border-radius:999px;background:#fff;color:#333;font-size:14px;font-weight:700;text-decoration:none;transition:all .2s}
.tb-tools a:hover{border-color:var(--tb-orange);color:var(--tb-orange2)}

/* ── Anuncios: sin hueco mientras están desactivados; altura reservada al activarlos ── */
.tb-ad{display:none}
.tb-ad.on{display:block;margin:30px auto;min-height:280px;text-align:center;overflow:hidden}
.tb-ad.on::before{content:'Publicidad';display:block;font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#aaa;margin-bottom:6px}
@media(max-width:600px){.tb-ad.on{min-height:250px}}

/* ── Newsletter (oculta hasta que se configure en site.js) ── */
.tb-news{display:none;border-radius:20px;padding:26px;margin:40px 0 0;background:linear-gradient(150deg,#1b1b1d,#2a1f18);color:#fff}
.tb-news.on{display:block}
.tb-news h2{margin:0 0 6px;font-size:22px;letter-spacing:-.4px;color:#fff}
.tb-news p{margin:0 0 14px;color:#d8cec5;font-size:15px}
.tb-news form{display:flex;gap:10px;flex-wrap:wrap}
.tb-news input[type=email]{flex:1;min-width:220px;border:0;border-radius:999px;padding:13px 18px;font:inherit;font-size:15px}
.tb-news button{border:0;border-radius:999px;padding:13px 22px;background:var(--tb-orange);color:#fff;font-weight:800;font-size:14px;cursor:pointer;font-family:inherit}
.tb-news button:hover{background:#df650e}
.tb-news label.tb-ok{display:flex;gap:8px;align-items:flex-start;width:100%;font-size:12.5px;color:#cfc5bc;line-height:1.5}
.tb-news label.tb-ok input{margin-top:3px;accent-color:var(--tb-orange)}
.tb-news a{color:#ffb27a}

/* ── Páginas de categoría y listados ── */
.tb-cat-hero{padding:46px 0 34px;border-bottom:1px solid var(--tb-line);background:radial-gradient(circle at 85% -20%,#fff0e2 0,transparent 45%),#fff}
.tb-cat-hero h1{font-size:clamp(34px,5.5vw,54px);line-height:1.04;letter-spacing:-2px;margin:6px 0 16px;color:var(--tb-text)}
.tb-cat-intro{max-width:780px;color:#444;font-size:17px;line-height:1.7}
.tb-cat-intro p{margin:0 0 14px}
.tb-cat-body{padding:40px 0 20px}
.tb-page{font-family:Inter,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--tb-text);margin:0;background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}
.tb-cat-intro a{color:var(--tb-orange2)}
.tb-chips{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 0}
.tb-chips a{padding:8px 14px;border:1px solid #e7e7e7;border-radius:999px;font-size:13px;font-weight:700;color:#444;text-decoration:none;background:#fff}
.tb-chips a:hover,.tb-chips a[aria-current]{border-color:var(--tb-orange);color:var(--tb-orange2)}

/* ── Portada: título de fila con enlace a la categoría ── */
.cat-row-title a{color:inherit;text-decoration:none}
.cat-row-title a:hover{color:var(--tb-orange)}
.cat-row-title .cat-row-more{margin-left:auto;font-size:12px;text-transform:none;letter-spacing:0;font-weight:700;color:var(--tb-muted)}
.tool-card .new{display:inline-block;margin-left:6px;font-size:10px;font-weight:850;text-transform:uppercase;letter-spacing:.06em;padding:2px 8px;border-radius:999px;background:var(--tb-orange);color:#fff;vertical-align:middle}

/* ── Botón de copiar en los prompts ── */
.tb-has-copy{position:relative;padding-top:38px!important}
.tb-copy{position:absolute;top:8px;right:8px;border:0;background:rgba(255,255,255,.12);color:#fff;border-radius:999px;padding:5px 12px;font:800 12px/1.4 Inter,system-ui,sans-serif;cursor:pointer}
.tb-copy:hover{background:var(--tb-orange)}