/*
Theme Name: Libros SoyMedicina
Theme URI: https://libros.soymedicina.com
Author: SoyMedicina
Author URI: https://soymedicina.com
Description: Tema ligero y adaptable para una biblioteca digital de libros médicos.
Version: 1.9.2
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
License: GPL-2.0-or-later
Text Domain: libros-soymedicina
*/
:root{--lsm-ink:#172536;--lsm-muted:#64748b;--lsm-brand:#087f8c;--lsm-brand-dark:#066773;--lsm-line:#e2e8f0;--lsm-bg:#f6f8fb;--lsm-card:#fff;--lsm-radius:16px;--lsm-shadow:0 8px 28px rgba(15,23,42,.06)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--lsm-bg);color:var(--lsm-ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.65}a{color:var(--lsm-brand);text-decoration:none}a:hover{color:var(--lsm-brand-dark)}img{max-width:100%;height:auto;display:block}button,input,select{font:inherit}.site-header{background:#fff;border-bottom:1px solid var(--lsm-line);position:relative;z-index:2}.header-inner,.container{width:min(1160px,calc(100% - 40px));margin-inline:auto}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;color:var(--lsm-ink);font-weight:800;font-size:1.15rem;letter-spacing:-.03em}.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--lsm-brand);color:#fff;display:grid;place-items:center;font-size:1.15rem}.brand small{display:block;color:var(--lsm-muted);font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.header-link{font-size:.92rem;font-weight:650}.hero{padding:54px 0 34px;background:linear-gradient(135deg,#eaf7f7 0%,#f6f8fb 65%,#edf3fb 100%);border-bottom:1px solid var(--lsm-line)}.eyebrow{font-size:.76rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--lsm-brand)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2rem,4vw,3.25rem);line-height:1.1;letter-spacing:-.045em;margin:10px 0 14px}h2{font-size:clamp(1.45rem,2.4vw,2rem);line-height:1.2;letter-spacing:-.03em}h3{line-height:1.3}.hero p{max-width:680px;color:#526276;font-size:1.08rem;margin-bottom:24px}.search-form{display:flex;gap:10px;max-width:720px}.search-form input[type=search]{flex:1;min-width:0;border:1px solid #d5e0e8;background:#fff;border-radius:12px;padding:14px 16px;outline:none}.search-form input[type=search]:focus{border-color:var(--lsm-brand);box-shadow:0 0 0 3px rgba(8,127,140,.12)}.button,.search-form button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;background:var(--lsm-brand);color:#fff;font-weight:750;padding:12px 18px;cursor:pointer;transition:background .15s,transform .15s}.button:hover,.search-form button:hover{background:var(--lsm-brand-dark);color:#fff;transform:translateY(-1px)}.button-secondary{background:#edf7f7;color:var(--lsm-brand-dark)}.button-secondary:hover{background:#dcefee;color:var(--lsm-brand-dark)}.catalog{padding:38px 0 64px}.catalog-top{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:22px}.catalog-top h2{margin-bottom:4px}.subtle{color:var(--lsm-muted);font-size:.92rem}.book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.book-card{min-width:0;background:var(--lsm-card);border:1px solid var(--lsm-line);border-radius:var(--lsm-radius);overflow:hidden;box-shadow:var(--lsm-shadow);transition:transform .18s,box-shadow .18s}.book-card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(15,23,42,.1)}.book-cover-link{display:block;background:#edf2f7;padding:16px 16px 0}.book-cover{width:100%;aspect-ratio:3/4;object-fit:contain;object-position:center top;border-radius:5px 5px 0 0}.cover-placeholder{aspect-ratio:3/4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:20px;text-align:center;background:linear-gradient(145deg,#e1f1f2,#f2f6fa);color:var(--lsm-brand-dark);font-weight:800}.cover-placeholder span{font-size:2.2rem}.book-card-content{padding:17px}.book-card h3{font-size:1.02rem;margin:0 0 7px;letter-spacing:-.015em}.book-card h3 a{color:var(--lsm-ink)}.book-card h3 a:hover{color:var(--lsm-brand)}.book-author{color:var(--lsm-muted);font-size:.86rem;margin-bottom:12px}.book-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:13px}.tag{display:inline-flex;align-items:center;border-radius:999px;background:#edf7f7;color:#176b73;padding:4px 9px;font-size:.72rem;font-weight:750}.card-link{font-weight:750;font-size:.9rem}.empty-state{background:#fff;border:1px dashed #cbd5e1;border-radius:var(--lsm-radius);padding:34px;text-align:center;color:var(--lsm-muted)}.pagination{display:flex;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap}.pagination .page-numbers{background:#fff;border:1px solid var(--lsm-line);border-radius:9px;padding:8px 13px}.pagination .current{background:var(--lsm-brand);color:#fff;border-color:var(--lsm-brand)}.single-main{padding:38px 0 70px}.breadcrumbs{font-size:.85rem;color:var(--lsm-muted);margin-bottom:24px}.breadcrumbs a{color:var(--lsm-muted)}.book-detail-layout{display:grid;grid-template-columns:minmax(250px,350px) minmax(0,1fr);gap:42px;align-items:start}.book-sidebar{position:sticky;top:22px}.detail-cover-wrap{background:#eaf0f5;padding:22px;border-radius:var(--lsm-radius);border:1px solid var(--lsm-line)}.detail-cover{width:100%;max-height:540px;object-fit:contain;box-shadow:0 12px 24px rgba(15,23,42,.12);border-radius:5px}.book-facts{margin-top:18px;background:#fff;border:1px solid var(--lsm-line);border-radius:var(--lsm-radius);padding:18px}.book-facts h3{margin-bottom:12px}.fact-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;border-bottom:1px solid #edf0f4;font-size:.88rem}.fact-row:last-child{border-bottom:0}.fact-row span:first-child{color:var(--lsm-muted)}.fact-row strong{text-align:right;overflow-wrap:anywhere}.book-heading{margin-bottom:22px}.book-heading h1{font-size:clamp(2rem,3.7vw,3rem)}.book-heading .book-author{font-size:1rem}.book-description{color:#435268;margin:20px 0 26px}.download-panel{display:flex;align-items:center;justify-content:space-between;gap:18px;background:#eaf7f5;border:1px solid #c8e8e3;border-radius:14px;padding:18px 20px;margin:24px 0 26px}.download-panel strong{display:block}.download-panel p{margin:2px 0 0;color:#526b70;font-size:.86rem}.accordion-list{display:grid;gap:12px}.accordion{background:#fff;border:1px solid var(--lsm-line);border-radius:13px;overflow:hidden}.accordion summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;cursor:pointer;padding:17px 19px;font-weight:800}.accordion summary::-webkit-details-marker{display:none}.accordion summary:after{content:"+";font-size:1.35rem;color:var(--lsm-brand);font-weight:500}.accordion[open] summary:after{content:"−"}.accordion-body{padding:0 19px 20px;color:#46566a}.accordion-body>:last-child{margin-bottom:0}.toc-list{padding-left:22px}.toc-list li{margin:5px 0}.site-footer{border-top:1px solid var(--lsm-line);background:#fff;padding:26px 0;color:var(--lsm-muted);font-size:.85rem}.footer-inner{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-inner p{margin:0}.notice{background:#fff8e8;border:1px solid #f3dfaa;border-radius:12px;padding:14px 16px;color:#74571b;font-size:.88rem}.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.content-page{background:#fff;border:1px solid var(--lsm-line);border-radius:var(--lsm-radius);padding:clamp(22px,4vw,42px);margin:36px auto;max-width:900px}.content-page h1{font-size:2.3rem}.content-page img{border-radius:10px}.content-page a{text-decoration:underline}
@media(max-width:1000px){.book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.book-detail-layout{grid-template-columns:minmax(220px,300px) minmax(0,1fr);gap:28px}}
@media(max-width:720px){.header-inner,.container{width:min(100% - 28px,1160px)}.header-inner{min-height:66px}.brand{font-size:1rem}.hero{padding:38px 0 28px}.search-form{flex-direction:column}.search-form button{min-height:48px}.catalog{padding:28px 0 48px}.catalog-top{align-items:start;flex-direction:column}.book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.book-cover-link{padding:10px 10px 0}.book-card-content{padding:12px}.book-card h3{font-size:.92rem}.book-author{font-size:.8rem}.single-main{padding-top:24px}.book-detail-layout{grid-template-columns:1fr;gap:25px}.book-sidebar{position:static;max-width:390px;margin-inline:auto;width:100%}.detail-cover-wrap{padding:18px}.detail-cover{max-height:460px}.download-panel{align-items:stretch;flex-direction:column}.download-panel .button{width:100%}.footer-inner{flex-direction:column;gap:8px}}
@media(max-width:380px){.book-grid{grid-template-columns:1fr 1fr;gap:9px}.book-card-content{padding:10px}.tag{font-size:.67rem}.book-cover-link{padding:8px 8px 0}}


/* v1.1.0: cleaner single-book layout, no duplicate metadata sidebar */
.book-detail-layout{grid-template-columns:minmax(250px,350px) minmax(0,1fr)}
.book-sidebar{position:sticky;top:22px}
.book-facts{display:block}
.book-description-panel{margin:0 0 14px}
.book-description-panel .accordion-body{line-height:1.8}
.book-description-panel .accordion-body p{margin-bottom:1em}
.copyright-panel .accordion-body{font-size:.92rem;line-height:1.8}
.copyright-notice{background:#f8fafc;border:1px solid #dbe4ee;border-left:4px solid #087f8c;border-radius:10px;padding:16px 18px;color:#435268}
.copyright-notice h4{margin:0 0 8px;color:#172536}
.copyright-notice ul{padding-left:20px}
.copyright-notice li{margin:6px 0}
.book-main-content .book-heading{margin-bottom:20px}
.book-main-content .book-description{margin:18px 0 22px}
.book-main-content .download-panel{margin:22px 0}
@media(max-width:720px){.book-sidebar{max-width:390px}.book-detail-layout{grid-template-columns:1fr}}

/* v1.2.0: plain TOC and responsive AdSense placements */
.toc-list-plain{list-style:none;padding-left:0;margin:0}
.toc-list-plain li{padding:8px 0;border-bottom:1px solid #edf0f4}
.toc-list-plain li:last-child{border-bottom:0}
.lsm-ad{display:block;width:100%;min-width:0;margin:16px 0;text-align:center;clear:both;overflow:hidden}
.lsm-ad ins.adsbygoogle{display:block;width:100%}
@media(max-width:720px){.lsm-ad{margin:12px 0}}


/* v1.3.0: mobile book page improvements */
@media(max-width:720px){
  .single-main{padding-top:14px;padding-bottom:38px}
  .breadcrumbs{font-size:.76rem;line-height:1.4;margin-bottom:14px;overflow-wrap:anywhere}
  .book-detail-layout{display:flex;flex-direction:column;gap:20px}
  .book-sidebar{width:100%;max-width:none;margin:0}
  .detail-cover-wrap{width:100%;max-width:270px;margin:0 auto;padding:12px;border-radius:13px}
  .detail-cover{width:100%;max-height:340px;object-fit:contain}
  .book-heading{margin-bottom:14px}
  .book-heading h1{font-size:clamp(1.65rem,7vw,2.15rem);line-height:1.12;margin:8px 0 10px;overflow-wrap:anywhere}
  .book-heading .book-author{font-size:.9rem;line-height:1.55}
  .book-main-content{width:100%;min-width:0}
  .book-main-content .download-panel{gap:12px;padding:14px; margin:14px 0}
  .download-panel strong{font-size:.96rem}
  .download-panel p{font-size:.8rem;line-height:1.45}
  .download-panel .button{width:100%;min-height:46px}
  .lsm-ad{margin:12px auto;max-width:100%;overflow:visible}
  .accordion-list{gap:9px}
  .accordion summary{padding:14px 15px;font-size:.93rem}
  .accordion-body{padding:0 15px 16px;font-size:.9rem}
  .copyright-panel .accordion-body{font-size:.85rem}
  .site-footer{padding:20px 0}
  .footer-inner{font-size:.78rem;line-height:1.5}
}
@media(max-width:380px){
  .header-inner,.container{width:calc(100% - 24px)}
  .brand-mark{width:32px;height:32px}
  .brand{font-size:.9rem;gap:8px}
  .header-link{font-size:.8rem}
  .detail-cover-wrap{max-width:235px;padding:10px}
  .detail-cover{max-height:300px}
  .book-heading h1{font-size:1.65rem}
  .download-panel{padding:12px}
}


/* v1.4.0: prevent the cover/sidebar from sticking while scrolling on mobile */
@media(max-width:720px){
  .book-sidebar{
    position:static!important;
    top:auto!important;
    align-self:stretch!important;
    transform:none!important;
  }
  .detail-cover-wrap{
    position:relative!important;
    top:auto!important;
  }
  .book-detail-layout{
    align-items:stretch!important;
  }
}
/* Also disable sticky positioning on narrow tablets where the cover can crowd the content. */
@media(min-width:721px) and (max-width:900px){
  .book-sidebar{position:static!important;top:auto!important}
}


/* v1.5.0: globally disable sticky cover behavior for consistent results across mobile browsers */
.book-sidebar,
.single-libro .book-sidebar,
.book-detail-layout .book-sidebar,
.detail-cover-wrap{
  position:static!important;
  top:auto!important;
  bottom:auto!important;
  align-self:stretch!important;
  transform:none!important;
}


/* v1.6.0: hard override for cover scroll behavior across browsers/plugins */
html body .single-libro .book-detail-layout .book-sidebar,
html body .single-libro .book-detail-layout .detail-cover-wrap,
html body .single-libro .book-detail-layout .detail-cover,
html body .book-detail-layout .book-sidebar,
html body .book-detail-layout .detail-cover-wrap,
html body .book-detail-layout img.detail-cover {
  position: static !important;
  inset: auto !important;
  top: auto !important;
  bottom: auto !important;
  transform: none !important;
  translate: none !important;
  align-self: auto !important;
}

/* Render TOC as plain rows: no numbering, bullets, markers, or pseudo-elements. */
.toc-list-plain {
  display: block !important;
  list-style: none !important;
  padding: 0 !important;
  margin: 0 !important;
}
.toc-list-plain::before,
.toc-list-plain::after,
.toc-list-plain li::before,
.toc-list-plain li::after,
.toc-list-plain .toc-item::before,
.toc-list-plain .toc-item::after {
  content: none !important;
  display: none !important;
}
.toc-list-plain .toc-item {
  display: block !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 8px 0 !important;
  border-bottom: 1px solid #edf0f4;
}
.toc-list-plain .toc-item:last-child { border-bottom: 0; }


/* v1.7.0: restore bibliographic facts card below cover (left column only) */
.single-libro .book-sidebar .book-facts{
  display:block!important;
  margin-top:18px;
}
.single-libro .book-main-content .book-facts{
  display:none!important;
}

.single-libro .book-sidebar > .book-facts{display:block!important}.single-libro .book-main-content .book-facts{display:none!important}