:root{--ink:#172033;--muted:#5d6878;--blue:#163a70;--blue2:#245a9b;--aqua:#eaf7fa;--paper:#fbfcfe;--line:#dbe4ee;--warm:#fff7e8;--green:#edf8f1;--violet:#f3effc;--red:#fff0f0;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--paper);font:17px/1.72 system-ui,-apple-system,"Segoe UI",Arial,sans-serif}a{color:var(--blue2)}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:20;background:#fbfcfef5;border-bottom:1px solid var(--line)}.header-inner{min-height:74px;display:flex;align-items:center;gap:20px}.brand{margin-right:auto;color:var(--ink);text-decoration:none;font-weight:800;line-height:1.1}.brand small{display:block;color:var(--muted);font-size:.72rem;margin-top:5px}.nav{display:flex;gap:14px;align-items:center}.nav>a,.nav button{font:inherit;font-size:.9rem;color:var(--ink);text-decoration:none;border:0;background:none;cursor:pointer}.nav-toggle{display:none}.nav-dropdown{position:relative}.nav-dropdown-menu{display:none;position:absolute;right:0;top:34px;width:min(760px,90vw);max-height:72vh;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 20px 55px #10203022}.nav-dropdown.open .nav-dropdown-menu{display:grid;grid-template-columns:1fr 1fr;gap:16px}.read-part strong,.read-part a{display:block}.read-part strong{color:var(--blue)}.read-part a{padding:3px 0;text-decoration:none;color:var(--ink);font-size:.84rem}.hero{padding:72px 0 48px;background:linear-gradient(135deg,#f8fbff,#eef7fb)}.eyebrow{text-transform:uppercase;letter-spacing:.12em;color:var(--blue2);font-size:.75rem;font-weight:800}h1{font-size:clamp(2.15rem,5vw,4.6rem);line-height:1.04;letter-spacing:-.04em;margin:.35em 0 .25em}h2{font-size:clamp(1.45rem,3vw,2.15rem);line-height:1.2;margin-top:1.8em}.section{padding:54px 0}.article{max-width:790px;margin:auto}.intro,.lead{font-size:1.2rem;color:#465266}.btn{display:inline-block;background:var(--blue);color:#fff;text-decoration:none;padding:10px 15px;border-radius:10px;font-weight:750}.btn.secondary{background:#fff;color:var(--blue);border:1px solid var(--line)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.toc{display:grid;grid-template-columns:1fr 1fr;gap:18px}.toc-part{background:#fff;border:1px solid var(--line);border-radius:15px;padding:20px}.toc-part h3{margin:0 0 8px;color:var(--blue)}.toc-part a{display:block;padding:5px 0;color:var(--ink);text-decoration:none}.callout,.evalia{border:1px solid var(--line);border-left:5px solid var(--blue2);background:#fff;border-radius:12px;padding:17px 19px;margin:26px 0}.callout h3,.evalia h3{margin:0 0 7px}.concept{background:var(--aqua)}.practice{background:var(--green)}.warning{background:var(--red)}.pro{background:var(--warm)}.ai,.evalia{background:var(--violet)}.code-grid,.mode-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.code-card{background:#101827;color:#eef2f6;border-radius:11px;overflow:hidden}.code-card strong{display:block;background:#1d2939;padding:8px 12px;font-size:.82rem}.code-card pre{margin:0;padding:13px;overflow:auto;font:14px/1.55 Consolas,monospace}.mode{background:#fff;border:1px solid #ddd5ef;border-radius:10px;padding:13px}.small{font-size:.9rem;color:var(--muted)}.tag{display:inline-block;background:#edf2f7;border-radius:99px;padding:4px 9px;font-size:.8rem;margin:0 5px 5px 0}.chapter-nav{display:flex;justify-content:space-between;gap:18px;border-top:1px solid var(--line);margin-top:48px;padding-top:20px}.chapter-nav a{text-decoration:none;font-weight:700}.footer{border-top:1px solid var(--line);padding:26px 0;color:var(--muted);font-size:.86rem}.cover{min-height:100svh;display:flex;align-items:center;justify-content:center;padding:clamp(24px,5vw,56px);background:linear-gradient(145deg,#0e2444,#173e72 55%,#1d6d87);color:#fff}.cover-card{width:min(880px,100%);margin:auto;padding:clamp(32px,7vw,72px);border:1px solid #ffffff33;border-radius:25px;background:#ffffff0d;box-shadow:0 30px 90px #0004}.cover-card .eyebrow{color:#bdeaf2}.cover-card p{font-size:1.3rem;color:#e5edf6;max-width:700px}.cover-card .btn{background:#fff;color:#173e72;margin-top:20px}.lab{margin:30px 0;border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;box-shadow:0 10px 35px #1020300d}.lab-head{padding:18px 20px;background:var(--aqua);border-bottom:1px solid var(--line)}.lab-head h3{margin:0}.lab-body{padding:20px}.lab-question{font-weight:750;margin:10px 0 6px}.lab input{width:100%;font:inherit;padding:10px 12px;border:1px solid #bfcbd8;border-radius:9px}.lab textarea{width:100%;min-height:210px;resize:vertical;background:#101827;color:#f4f7fb;border:0;border-radius:10px;padding:14px;font:14px/1.55 Consolas,monospace}.lab-actions{display:flex;gap:9px;flex-wrap:wrap;margin:12px 0}.lab button{border:0;border-radius:9px;padding:9px 13px;font:inherit;font-weight:750;cursor:pointer;background:var(--blue);color:#fff}.lab button.secondary{background:#edf2f7;color:var(--ink)}.lab-output{background:#0b1220;color:#e6edf6;border-radius:10px;padding:13px;min-height:52px;white-space:pre-wrap;font:14px/1.5 Consolas,monospace}.lab-feedback{margin-top:10px;font-weight:700}.lab-note{font-size:.88rem;color:var(--muted)}@media(max-width:850px){.cover{padding:max(20px,env(safe-area-inset-top)) max(18px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left))}.cover-card{width:100%;max-width:100%;margin:0;padding:clamp(28px,8vw,42px);border-radius:22px;overflow-wrap:anywhere}.cover-card h1{font-size:clamp(2.1rem,10vw,3.1rem)}.cover-card p{font-size:clamp(1.05rem,5vw,1.3rem)}.nav-toggle{display:block;border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 10px}.nav{display:none;position:absolute;left:0;right:0;top:74px;background:#fff;padding:16px;flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line)}.nav.open{display:flex}.nav-dropdown-menu{position:static;width:100%;box-shadow:none;margin-top:8px}.nav-dropdown.open .nav-dropdown-menu,.toc,.code-grid,.mode-grid{grid-template-columns:1fr}}
/* v1.2 — EvalIA integrada */
.evalia-live{margin:30px 0;border:1px solid #d8d2ef;border-radius:18px;background:linear-gradient(180deg,#faf8ff,#f4f0fc);overflow:hidden;box-shadow:0 14px 40px #3b2b7010}
.evalia-live-head{padding:20px 22px;border-bottom:1px solid #e2dcf3}.evalia-live-head h3{margin:.2rem 0}.evalia-live-head p{margin:0;color:var(--muted)}
.evalia-modes{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:18px}.evalia-modes button{display:flex;flex-direction:column;gap:3px;text-align:left;border:1px solid #ded7ef;background:#fff;border-radius:13px;padding:14px 15px;color:var(--ink);font:inherit;cursor:pointer;transition:.15s ease}.evalia-modes button:hover,.evalia-modes button.active{border-color:#7b63b8;box-shadow:0 8px 22px #573a8b18;transform:translateY(-1px)}.evalia-modes button span{font-size:.86rem;color:var(--muted);line-height:1.4}
.evalia-chat{border-top:1px solid #e2dcf3;padding:18px}.evalia-chat-status{font-size:.82rem;color:var(--muted);min-height:20px;margin-bottom:7px}.evalia-chat-log{display:flex;flex-direction:column;gap:10px;max-height:430px;overflow:auto;padding:4px 2px 14px}.evalia-msg{max-width:88%;padding:11px 13px;border-radius:14px;white-space:pre-wrap;line-height:1.5}.evalia-msg.user{align-self:flex-end;background:var(--blue);color:#fff;border-bottom-right-radius:4px}.evalia-msg.assistant{align-self:flex-start;background:#fff;border:1px solid #ded7ef;border-bottom-left-radius:4px}.evalia-compose{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end}.evalia-compose textarea{width:100%;resize:vertical;min-height:78px;border:1px solid #cfc6e8;border-radius:12px;padding:11px 12px;font:inherit;background:#fff}.evalia-compose button{border:0;border-radius:10px;background:var(--blue);color:#fff;font:inherit;font-weight:750;padding:11px 16px;cursor:pointer}.evalia-compose button:disabled{opacity:.55;cursor:wait}.evalia-privacy{font-size:.8rem;color:var(--muted);margin:10px 0 0}
@media(max-width:700px){.evalia-modes{grid-template-columns:1fr}.evalia-compose{grid-template-columns:1fr}.evalia-compose button{width:100%}.evalia-msg{max-width:94%}}


/* ============================================================
   v1.3 — Portada independiente · Fundamentos de Programación
   ============================================================ */
.book-cover-page{
  margin:0;
  min-height:100%;
  background:#081a31;
}
.book-cover{
  min-height:100svh;
  display:grid;
  place-items:center;
  padding:max(20px,env(safe-area-inset-top))
          max(20px,env(safe-area-inset-right))
          max(20px,env(safe-area-inset-bottom))
          max(20px,env(safe-area-inset-left));
  background:
    radial-gradient(circle at 82% 18%,rgba(65,164,204,.24),transparent 25%),
    radial-gradient(circle at 15% 88%,rgba(39,118,167,.20),transparent 30%),
    linear-gradient(145deg,#07182d 0%,#0c2d50 52%,#0d3b58 100%);
}
.book-cover__surface{
  display:block;
  width:min(1040px,100%);
  color:#fff;
  text-decoration:none;
}
.book-cover__panel{
  position:relative;
  overflow:hidden;
  min-height:min(760px,calc(100svh - 40px));
  padding:clamp(28px,5vw,58px);
  border:1px solid rgba(184,228,241,.28);
  border-radius:30px;
  background:
    linear-gradient(120deg,rgba(255,255,255,.075),rgba(255,255,255,.018)),
    #0b2746;
  box-shadow:0 38px 110px rgba(0,0,0,.34);
}
.book-cover__panel:before{
  content:"";
  position:absolute;
  width:360px;height:360px;
  right:-150px;top:-160px;
  border-radius:50%;
  border:1px solid rgba(160,226,240,.20);
  box-shadow:0 0 0 54px rgba(160,226,240,.025),0 0 0 108px rgba(160,226,240,.018);
}
.book-cover__meta{
  position:relative;
  z-index:2;
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap:20px;
}
.book-cover__line{
  max-width:620px;
  color:#b8dce8;
  font-size:clamp(.72rem,1.4vw,.88rem);
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.book-cover__number{
  font:800 clamp(3.4rem,8vw,6.5rem)/.8 system-ui,-apple-system,"Segoe UI",sans-serif;
  color:rgba(186,232,242,.16);
  letter-spacing:-.08em;
}
.book-cover__layout{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(330px,.92fr);
  align-items:center;
  gap:clamp(26px,4vw,56px);
  min-height:540px;
}
.book-cover__copy{padding:20px 0}
.book-cover__label{
  display:inline-block;
  margin-bottom:18px;
  padding:7px 11px;
  border:1px solid rgba(157,231,242,.32);
  border-radius:999px;
  color:#bfeaf2;
  background:rgba(157,231,242,.07);
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.book-cover__copy h1{
  max-width:680px;
  margin:0;
  color:#fff;
  font-size:clamp(3.1rem,7vw,6rem);
  line-height:.95;
  letter-spacing:-.055em;
}
.book-cover__subtitle{
  max-width:650px;
  margin:28px 0 34px;
  color:#d9e9f0;
  font-size:clamp(1.15rem,2.2vw,1.55rem);
  line-height:1.48;
}
.book-cover__author{
  color:#fff;
  font-size:clamp(1.05rem,1.8vw,1.25rem);
  font-weight:800;
}
.book-cover__edition{
  margin-top:4px;
  color:#9fc4d3;
  font-size:.94rem;
}
.book-cover__art{
  display:grid;
  place-items:center;
}
.book-cover__art svg{
  width:min(100%,480px);
  height:auto;
  filter:drop-shadow(0 22px 42px rgba(0,0,0,.18));
}
.book-cover__footer{
  position:relative;
  z-index:2;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  padding-top:22px;
  border-top:1px solid rgba(192,230,240,.16);
  color:#9fc4d3;
  font-size:.9rem;
}
.book-cover__enter{
  color:#fff;
  font-weight:800;
}
.book-cover__surface:hover .book-cover__enter b{display:inline-block;transform:translateX(4px)}
.book-cover__enter b{transition:transform .18s ease}
@media(max-width:800px){
  .book-cover{padding:max(14px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(14px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}
  .book-cover__panel{min-height:calc(100svh - 28px);padding:28px 25px;border-radius:24px}
  .book-cover__layout{grid-template-columns:1fr;gap:8px;min-height:0;padding:30px 0 24px}
  .book-cover__copy{padding:0}
  .book-cover__copy h1{font-size:clamp(2.85rem,13vw,4.3rem)}
  .book-cover__subtitle{margin:22px 0 28px;font-size:clamp(1.08rem,5vw,1.28rem)}
  .book-cover__art{margin-top:2px}
  .book-cover__art svg{width:min(82vw,360px);max-height:300px}
  .book-cover__number{font-size:4.2rem}
  .book-cover__footer{margin-top:4px}
}
@media(max-width:480px){
  .book-cover__line{max-width:235px;font-size:.66rem;line-height:1.5}
  .book-cover__number{font-size:3.5rem}
  .book-cover__copy h1{font-size:clamp(2.55rem,13vw,3.55rem)}
  .book-cover__art svg{width:min(88vw,330px);max-height:255px}
  .book-cover__footer span:first-child{display:none}
}

/* v1.4 — laboratorio por experiencias + puente con Evalia */
.lab-tabs{display:flex;gap:8px;flex-wrap:wrap;padding:14px 20px 0;background:#fff}.lab-tabs button{background:#eef3f8;color:var(--ink);border:1px solid var(--line);padding:8px 11px;border-radius:999px;font-size:.86rem}.lab-tabs button.active{background:var(--blue);color:#fff;border-color:var(--blue)}.lab-experiment-title{font-size:1.18rem;font-weight:800;color:var(--blue);margin-bottom:5px}.lab-experiment-intro{margin-top:0;color:#465266}.lab-reflection{margin-top:14px;padding:13px 15px;background:#f7fafc;border:1px solid var(--line);border-radius:10px;color:#3f4a5a}.lab-evalia-bridge{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;padding:15px;border:1px solid #d9d0f2;border-radius:12px;background:#f6f2ff}.lab-evalia-bridge div{display:grid;gap:3px}.lab-evalia-bridge span{font-size:.9rem;color:#5d6878}.lab-evalia-bridge button{flex:0 0 auto;background:#493b8f}.evalia-privacy{margin:10px 0 0;font-size:.82rem;color:#5d6878}.evalia-chat-status{text-transform:none}@media(max-width:720px){.lab-tabs{display:grid;grid-template-columns:1fr;padding:12px 16px 0}.lab-tabs button{text-align:left;border-radius:10px}.lab-evalia-bridge{align-items:stretch;flex-direction:column}.lab-evalia-bridge button{width:100%}}


/* v1.5 — indicador visual de espera para Evalia */
.evalia-thinking{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:14px;
  padding:14px 16px;
  border:1px solid #d4def1;
  border-radius:14px;
  background:#f7fbff;
}
.evalia-thinking__icon{
  flex:0 0 auto;
  width:54px;
  height:54px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:linear-gradient(180deg,#2c69b1 0%, #1e4f88 100%);
  box-shadow:0 8px 18px rgba(30,79,136,.18);
}
.evalia-thinking__icon span{
  width:7px;
  height:7px;
  border-radius:50%;
  background:#fff;
  display:inline-block;
  margin:0 2px;
  animation:evaliaDots 1.2s infinite ease-in-out;
}
.evalia-thinking__icon span:nth-child(2){animation-delay:.15s}
.evalia-thinking__icon span:nth-child(3){animation-delay:.3s}
.evalia-thinking__copy{display:grid;gap:2px}
.evalia-thinking__copy strong{color:var(--blue)}
.evalia-thinking__copy span{color:#5a6678;font-size:.92rem}
.evalia-chat-status{margin:0 0 12px;color:#596579;font-size:.92rem}
@keyframes evaliaDots{
  0%,80%,100%{transform:translateY(0);opacity:.45}
  40%{transform:translateY(-5px);opacity:1}
}
@media(max-width:720px){
  .evalia-thinking{align-items:flex-start}
}

.evalia-thinking[hidden]{display:none!important}


/* v1.5.2 — error único de Evalia */
.evalia-error{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin:0 0 14px;
  padding:13px 15px;
  border:1px solid #e6caca;
  border-radius:12px;
  background:#fff7f7;
  color:#6e3030;
}
.evalia-error span{
  color:#755454;
  font-size:.9rem;
}
.evalia-error button{
  margin-left:auto;
  border:1px solid #d8b8b8;
  border-radius:9px;
  background:#fff;
  color:#713535;
  padding:8px 11px;
  font:inherit;
  font-weight:750;
  cursor:pointer;
}
.evalia-error[hidden],
.evalia-thinking[hidden]{
  display:none!important;
}
.evalia-modes button:disabled{
  cursor:wait;
  opacity:.72;
}


/* v1.6 — dictado por voz para Evalia */
.evalia-compose{
  align-items:stretch;
}
.evalia-compose-actions{
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:8px;
}
.evalia-mic{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  min-width:104px;
  border:1px solid #c7d4e8;
  border-radius:10px;
  background:#fff;
  color:#19457d;
  padding:10px 12px;
  font:inherit;
  font-weight:750;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.evalia-mic:hover{
  box-shadow:0 6px 16px rgba(25,69,125,.12);
  transform:translateY(-1px);
}
.evalia-mic.listening{
  color:#fff;
  background:#b33a3a;
  border-color:#b33a3a;
  box-shadow:0 0 0 6px rgba(179,58,58,.10);
}
.evalia-mic.listening .evalia-mic__icon{
  animation:evaliaMicPulse 1.15s infinite ease-in-out;
}
.evalia-mic.processing{
  opacity:.8;
}
.evalia-dictation-status{
  margin-top:8px;
  padding:9px 11px;
  border-radius:10px;
  background:#f7fbff;
  color:#506278;
  font-size:.88rem;
  border:1px solid #d9e4f0;
}
.evalia-dictation-status[hidden],
.evalia-mic[hidden]{
  display:none!important;
}
@keyframes evaliaMicPulse{
  0%,100%{transform:scale(1)}
  50%{transform:scale(1.18)}
}
@media(max-width:720px){
  .evalia-compose{
    display:grid;
    grid-template-columns:1fr;
  }
  .evalia-compose-actions{
    flex-direction:row;
    justify-content:flex-end;
  }
  .evalia-mic{
    min-width:0;
    flex:1 1 auto;
  }
  .evalia-compose-actions [data-evalia-send]{
    flex:1 1 auto;
  }
}


/* v1.7.1 — refinamiento del micrófono de Evalia */
.evalia-compose{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:12px;
  align-items:end;
}
.evalia-compose-actions{
  display:flex;
  flex-direction:row;
  align-items:stretch;
  justify-content:flex-end;
  gap:10px;
}
.evalia-mic{
  width:56px;
  min-width:56px;
  height:56px;
  padding:0;
  border-radius:12px;
}
.evalia-mic__icon{
  font-size:1.18rem;
  line-height:1;
}
.evalia-mic.listening{
  box-shadow:0 0 0 6px rgba(179,58,58,.10);
}
.evalia-compose-actions [data-evalia-send]{
  min-width:104px;
  height:56px;
  border-radius:12px;
}
@media(max-width:720px){
  .evalia-compose{
    grid-template-columns:minmax(0,1fr) auto;
    gap:10px;
  }
  .evalia-compose-actions{
    flex-direction:row;
    align-items:stretch;
    gap:8px;
  }
  .evalia-mic{
    width:52px;
    min-width:52px;
    height:52px;
  }
  .evalia-compose-actions [data-evalia-send]{
    min-width:96px;
    height:52px;
  }
}


/* v1.7.2 — formato de respuestas Evalia + micrófono compacto */
.evalia-msg.assistant strong{
  font-weight:800;
}
.evalia-msg.assistant code{
  padding:.08em .32em;
  border-radius:5px;
  background:#eef3f8;
  color:#173a68;
  font: .92em/1.4 ui-monospace,SFMono-Regular,Consolas,monospace;
}
.evalia-mic{
  width:52px !important;
  min-width:52px !important;
  height:52px !important;
  padding:0 !important;
  border-radius:12px !important;
}
.evalia-mic__icon{
  font-size:1.15rem;
  line-height:1;
}
.evalia-compose-actions{
  flex-direction:row !important;
  align-items:stretch !important;
}


/* v1.7.3 — composición móvil más limpia para Evalia */
.evalia-compose{
  display:block !important;
}
.evalia-compose textarea{
  display:block;
  width:100%;
  min-height:132px;
}
.evalia-compose-actions{
  display:flex !important;
  flex-direction:row !important;
  justify-content:flex-end !important;
  align-items:center !important;
  gap:8px !important;
  margin-top:8px;
}
.evalia-mic,
.evalia-send{
  width:44px !important;
  min-width:44px !important;
  height:44px !important;
  padding:0 !important;
  border-radius:11px !important;
  display:inline-flex !important;
  align-items:center !important;
  justify-content:center !important;
}
.evalia-mic{
  background:#fff !important;
  color:#19457d !important;
  border:1px solid #c7d4e8 !important;
}
.evalia-mic.listening{
  background:#b33a3a !important;
  color:#fff !important;
  border-color:#b33a3a !important;
}
.evalia-send{
  border:0;
  background:var(--blue) !important;
  color:#fff !important;
  cursor:pointer;
  font-size:1.35rem !important;
  font-weight:800;
}
.evalia-send:hover,
.evalia-mic:hover{
  transform:translateY(-1px);
}
.evalia-mic__icon{
  font-size:1.05rem !important;
}
@media(max-width:720px){
  .evalia-compose textarea{
    min-height:126px;
  }
  .evalia-compose-actions{
    gap:7px !important;
  }
  .evalia-mic,
  .evalia-send{
    width:42px !important;
    min-width:42px !important;
    height:42px !important;
    border-radius:10px !important;
  }
  .evalia-send{
    font-size:1.25rem !important;
  }
}


/* v1.8 — presencia editorial del header + estabilidad móvil */
html,body{
  max-width:100%;
  overflow-x:hidden;
}
.wrap{
  width:min(var(--max),calc(100% - 36px));
  margin-left:auto;
  margin-right:auto;
}
.site-header{
  left:0;
  right:0;
  background:linear-gradient(100deg,#0b2746 0%,#123d67 100%) !important;
  border-bottom:1px solid rgba(255,255,255,.10) !important;
  box-shadow:0 8px 24px rgba(6,28,52,.12);
}
.site-header .brand{
  color:#fff !important;
  min-width:0;
}
.site-header .brand small{
  color:#c8d9e7 !important;
}
.site-header .nav>a,
.site-header .nav button{
  color:#f4f8fb;
}
.site-header .nav>a:hover,
.site-header .nav button:hover{
  color:#fff;
}
.site-header .nav-toggle{
  color:#fff;
  border-color:rgba(255,255,255,.28) !important;
  background:rgba(255,255,255,.08) !important;
}
.book-cover,
.book-cover__surface,
.book-cover__panel{
  max-width:100%;
}
.book-cover__surface{
  margin-left:auto;
  margin-right:auto;
}
.article,
.hero .wrap,
.section .wrap{
  min-width:0;
}
.code-card,
.lab,
.evalia-live{
  max-width:100%;
}

@media(max-width:850px){
  .wrap{
    width:calc(100% - 28px);
  }
  .header-inner{
    gap:12px;
    min-height:82px;
    width:100%;
  }
  .site-header .brand{
    flex:1 1 auto;
    max-width:calc(100% - 58px);
    font-size:1.1rem;
    line-height:1.08;
  }
  .site-header .brand small{
    margin-top:5px;
    font-size:.72rem;
  }
  .site-header .nav-toggle{
    flex:0 0 46px;
    width:46px;
    height:46px;
    padding:0;
  }
  .site-header .nav{
    top:82px;
    background:#fff !important;
    box-shadow:0 12px 30px rgba(6,28,52,.14);
  }
  .site-header .nav>a,
  .site-header .nav button{
    color:var(--ink) !important;
  }
  .book-cover{
    width:100%;
    padding-left:max(12px,env(safe-area-inset-left));
    padding-right:max(12px,env(safe-area-inset-right));
  }
  .book-cover__surface{
    width:100%;
  }
  .book-cover__panel{
    width:100%;
  }
}

@media(max-width:480px){
  .wrap{
    width:calc(100% - 24px);
  }
  .header-inner{
    min-height:78px;
  }
  .site-header .nav{
    top:78px;
  }
  .site-header .brand{
    max-width:calc(100% - 54px);
    font-size:1.04rem;
  }
}

/* Ayuda de permisos del micrófono: legible sin dominar la UI */
.evalia-dictation-status{
  line-height:1.5;
}

/* v1.9 — lector desktop, volver arriba y PWA */
.reader-section{padding-top:36px}
.reader-shell{width:min(1380px,calc(100% - 34px));margin:0 auto;display:grid;grid-template-columns:260px minmax(0,790px);justify-content:center;align-items:start;gap:42px}
.reader-content{min-width:0}.reader-content .article{width:100%;max-width:790px}
.reader-sidebar{position:sticky;top:104px;align-self:start;max-height:calc(100vh - 126px);overflow:hidden;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:0 10px 30px rgba(20,44,76,.07)}
.reader-sidebar__head{padding:15px 16px 13px;background:#eef6fb;border-bottom:1px solid var(--line);display:grid;gap:2px}
.reader-sidebar__head strong{color:var(--blue);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em}.reader-sidebar__head span{font-size:.9rem;font-weight:800}
.chapter-toc-scroll{max-height:calc(100vh - 205px);overflow-y:auto;overscroll-behavior:contain;padding:11px 13px 16px;scrollbar-width:thin}
.toc-part-title{margin:15px 0 5px;color:#677386;font-size:.68rem;font-weight:850;line-height:1.35;letter-spacing:.04em;text-transform:uppercase}.toc-part-title:first-child{margin-top:2px}
.chapter-toc-scroll a{display:block;margin:1px 0;padding:6px 8px;border-radius:8px;color:#355675;text-decoration:none;font-size:.78rem;line-height:1.3}.chapter-toc-scroll a:hover{background:#f2f7fb}.chapter-toc-scroll a.is-current{background:#e5f1fa;color:#123f72;font-weight:800}
.back-to-top{position:fixed;right:max(20px,env(safe-area-inset-right));bottom:max(24px,calc(env(safe-area-inset-bottom) + 18px));z-index:70;width:48px;height:48px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.5);border-radius:50%;background:#163f73;color:#fff;box-shadow:0 12px 26px rgba(18,63,115,.30);font-size:1.35rem;font-weight:800;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(12px);transition:.18s ease}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.network-state{position:fixed;left:50%;bottom:max(24px,calc(env(safe-area-inset-bottom) + 18px));z-index:100;max-width:min(620px,calc(100% - 36px));transform:translate(-50%,20px);padding:10px 14px;border-radius:999px;background:#153e70;color:#fff;box-shadow:0 10px 28px rgba(15,45,82,.24);font-size:.84rem;opacity:0;visibility:hidden;transition:.2s ease}.network-state.offline{background:#7a4a22}.network-state.show{opacity:1;visibility:visible;transform:translate(-50%,0)}
.pwa-update{position:fixed;left:50%;top:92px;z-index:110;width:min(560px,calc(100% - 28px));transform:translateX(-50%);display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 13px;border:1px solid #c7d7e7;border-radius:12px;background:#fff;box-shadow:0 12px 30px rgba(19,50,86,.18);font-size:.86rem}.pwa-update button{border:0;border-radius:8px;background:#163f73;color:#fff;padding:8px 11px;font-weight:800;cursor:pointer}
@media(max-width:1050px){.reader-shell{grid-template-columns:minmax(0,790px);width:min(790px,calc(100% - 32px))}.reader-sidebar{display:none}}
@media(max-width:720px){.reader-shell{width:calc(100% - 28px)}.reader-section{padding-top:34px}.back-to-top{right:max(16px,env(safe-area-inset-right));width:46px;height:46px}.network-state{bottom:max(82px,calc(env(safe-area-inset-bottom) + 76px));border-radius:12px;text-align:center}.pwa-update{top:88px}}


/* v1.9.1 — ajuste de header responsivo */
.header-inner{
  width:min(var(--max),calc(100% - 36px));
  margin-left:auto;
  margin-right:auto;
  min-width:0;
}
.site-header .brand{
  min-width:0;
}
.site-header .nav{
  min-width:0;
}

/* Cambiar antes a menú compacto para evitar que el header se desborde
   durante el redimensionado de escritorio/tablet. */
@media(max-width:1180px){
  .header-inner{
    min-height:80px;
    gap:14px;
  }
  .site-header .brand{
    flex:1 1 auto;
    max-width:calc(100% - 60px);
  }
  .nav-toggle{
    display:block !important;
    flex:0 0 46px;
    width:46px;
    height:46px;
    padding:0;
    border:1px solid rgba(255,255,255,.28) !important;
    background:rgba(255,255,255,.08) !important;
    color:#fff !important;
    border-radius:11px;
  }
  .site-header .nav{
    display:none !important;
    position:absolute;
    left:0;
    right:0;
    top:80px;
    width:100%;
    padding:16px max(18px,calc((100vw - var(--max))/2));
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    background:#fff !important;
    border-bottom:1px solid var(--line);
    box-shadow:0 14px 32px rgba(6,28,52,.15);
    z-index:95;
  }
  .site-header .nav.open{
    display:flex !important;
  }
  .site-header .nav>a,
  .site-header .nav button{
    color:var(--ink) !important;
    text-align:left;
    padding:8px 4px;
  }
  .nav-dropdown-menu{
    position:static !important;
    width:100% !important;
    max-width:none !important;
    box-shadow:none !important;
    margin-top:8px;
  }
  .nav-dropdown.open .nav-dropdown-menu{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media(max-width:720px){
  .header-inner{
    width:calc(100% - 28px);
    min-height:78px;
  }
  .site-header .nav{
    top:78px;
    padding:14px;
  }
  .nav-dropdown.open .nav-dropdown-menu{
    grid-template-columns:1fr;
  }
}


/* v1.9.2 — menú móvil con altura útil real */
@media(max-width:1180px){
  .site-header .nav{
    max-height:calc(100dvh - 80px) !important;
    overflow-y:auto !important;
    overscroll-behavior:contain;
    -webkit-overflow-scrolling:touch;
    padding-bottom:max(24px,calc(env(safe-area-inset-bottom) + 18px)) !important;
  }

  .site-header .nav .nav-dropdown{
    width:100%;
  }

  .site-header .nav .nav-dropdown-menu{
    max-height:none !important;
    overflow:visible !important;
    height:auto !important;
    border-radius:12px;
    padding:14px !important;
  }

  .site-header .nav .read-part{
    min-width:0;
  }

  .site-header .nav .read-part a{
    padding:7px 0 !important;
    line-height:1.35;
  }
}

@media(max-width:720px){
  .site-header .nav{
    max-height:calc(100dvh - 78px) !important;
  }

  .site-header .nav .nav-dropdown-menu{
    display:none !important;
  }

  .site-header .nav .nav-dropdown.open .nav-dropdown-menu{
    display:grid !important;
    grid-template-columns:1fr !important;
    gap:18px !important;
  }
}

/* Volver arriba: siempre por encima de menús y barras */
.back-to-top{
  z-index:220 !important;
  right:max(16px,env(safe-area-inset-right)) !important;
  bottom:max(22px,calc(env(safe-area-inset-bottom) + 18px)) !important;
}


/* v1.10 — identidad SIA */
.sia-signature{
  display:inline-flex;
  align-items:center;
  gap:12px;
  margin-top:28px;
  padding:12px 14px;
  border:1px solid #c6d9e7;
  border-radius:14px;
  background:rgba(255,255,255,.70);
  box-shadow:0 8px 24px rgba(16,54,88,.06);
}
.sia-signature__mark{
  display:grid;
  place-items:center;
  width:52px;
  height:52px;
  border-radius:12px;
  background:#0b2746;
  color:#fff;
  font-weight:900;
  letter-spacing:.04em;
}
.sia-signature__copy{
  display:grid;
  gap:2px;
}
.sia-signature__copy strong{
  color:#173f73;
}
.sia-signature__copy span{
  color:#65758a;
  font-size:.88rem;
}
.back-to-top{
  display:grid !important;
  z-index:999 !important;
}
.back-to-top.is-visible{
  opacity:1 !important;
  visibility:visible !important;
  transform:translateY(0) !important;
}
@media(max-width:720px){
  .sia-signature{
    width:100%;
    align-items:flex-start;
  }
  .sia-signature__mark{
    width:46px;
    height:46px;
    flex:0 0 46px;
  }
}

/* v1.10.1 — botón instalar SIA */
.pwa-install-btn{
  flex:0 0 42px;
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  border:1px solid rgba(255,255,255,.28);
  border-radius:10px;
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:1rem;
  cursor:pointer;
  margin-left:auto;
  margin-right:8px;
}
.pwa-install-btn[hidden]{display:none!important}
@media(max-width:720px){
  .pwa-install-btn{
    width:40px;
    height:40px;
    flex-basis:40px;
    margin-right:6px;
  }
}

.lab-config-error{
  display:grid;
  gap:4px;
  margin:16px;
  padding:14px 16px;
  border:1px solid #e7c9c9;
  border-radius:12px;
  background:#fff7f7;
  color:#713838;
}
.lab-config-error span{font-size:.9rem;color:#765656}


/* Navegación común de la línea editorial */
.editorial-dropdown.open .editorial-menu{display:grid;grid-template-columns:1fr;gap:4px;width:min(560px,92vw);padding:12px}
.editorial-book-link{display:grid!important;grid-template-columns:72px 1fr auto;align-items:center;gap:10px;padding:9px 10px!important;border-radius:9px;text-decoration:none!important;color:var(--ink)!important}
.editorial-book-link:hover{background:#f2f7fb}
.editorial-book-link>span{font-size:.72rem;font-weight:850;color:var(--blue2);text-transform:uppercase;letter-spacing:.04em}
.editorial-book-link>strong{font-size:.84rem;line-height:1.25;color:var(--ink)}
.editorial-book-link>em{font-size:.68rem;font-style:normal;color:#64748b;white-space:nowrap}
.editorial-book-link.is-current{background:#e8f2fa}
.editorial-book-link.is-current>strong{color:var(--blue)}
.editorial-book-link.is-planned{opacity:.68;cursor:default}
.editorial-all{display:block!important;margin-top:6px;padding:9px 10px!important;border-top:1px solid var(--line);font-weight:800!important;color:var(--blue)!important;text-decoration:none!important}
@media(max-width:850px){
  .editorial-dropdown.open .editorial-menu{width:100%;grid-template-columns:1fr}
  .editorial-book-link{grid-template-columns:62px 1fr}
  .editorial-book-link>em{grid-column:2}
}



/* Referencias académicas */
.references-list{padding-left:1.25rem}
.references-list li{margin:.65rem 0;line-height:1.55}
.chapter-sources{margin-top:2.25rem;padding:1rem 1.1rem;border:1px solid var(--line);border-radius:14px;background:rgba(127,177,214,.08)}
.chapter-sources h2{margin-top:0;font-size:1.15rem}
.chapter-sources ul{margin:.5rem 0 0;padding-left:1.15rem}
.chapter-sources li{margin:.42rem 0;line-height:1.45}

/* v1.26 — coherencia editorial, cards y shell SIA */
.chapter-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:16px 0 28px}
.chapter-card{display:flex;flex-direction:column;gap:6px;padding:17px 18px;border:1px solid var(--line);border-radius:16px;background:#fff;color:var(--ink);text-decoration:none;box-shadow:0 10px 28px rgba(14,42,74,.05);transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease}
.chapter-card:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(14,42,74,.09);border-color:#a9c7df}
.chapter-card strong{color:var(--blue);font-size:.82rem;letter-spacing:.02em;text-transform:uppercase}.chapter-card span{font-weight:760;line-height:1.35}.part-intro{margin:.2rem 0 1rem;color:var(--muted);max-width:76ch}
.references-groups h2{margin-top:2rem}.references-groups ul{padding-left:1.25rem}.references-groups li{margin:.45rem 0;line-height:1.55}
.memory-persistence-flow{display:grid;grid-template-columns:repeat(7,max-content);align-items:stretch;gap:10px;margin:24px 0;overflow-x:auto;padding:4px 2px 12px}.memory-persistence-flow>div{min-width:180px;max-width:220px;border:1px solid var(--line);border-radius:14px;background:#fff;padding:14px;display:flex;flex-direction:column;gap:5px}.memory-persistence-flow>div strong{color:var(--blue)}.memory-persistence-flow>div span{font-size:.86rem;color:var(--muted);line-height:1.4}.memory-persistence-flow>b{align-self:center;color:var(--blue2);font-size:1.25rem}


/* SIA shared shell v1.0.0 */
.nav-prepare{display:inline-flex;align-items:center;padding:7px 11px;border-radius:10px;background:#9de7f2!important;color:#08243d!important;border:1px solid #b8f3f7!important;font-weight:850!important;text-decoration:none!important;white-space:nowrap}
.nav-prepare:hover{background:#c9f5f7!important;color:#061d31!important}
.footer.sia-footer,.sia-footer{position:relative;margin-top:64px;padding:0!important;background:linear-gradient(135deg,#06172b 0%,#0b2746 55%,#0d3955 100%)!important;color:#d8e8ef!important;border:0!important;font-size:.9rem!important;box-shadow:0 -12px 38px rgba(6,28,50,.10)}
.sia-footer::before{content:"";display:block;height:5px;background:linear-gradient(90deg,#5fb5dd,#9de7f2 48%,#ffd18b)}
.sia-footer__inner{width:min(1120px,calc(100% - 36px));margin:auto;padding:36px 0 24px}
.sia-footer__band{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;padding-bottom:28px;border-bottom:1px solid rgba(203,229,239,.15)}
.sia-footer__identity{display:flex;flex-direction:column;gap:4px;text-decoration:none;color:#fff!important}
.sia-footer__identity b{font-size:1.13rem;letter-spacing:.01em}.sia-footer__identity span{font-size:.78rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:#9de7f2}.sia-footer__identity small{color:#a8c4d2;font-size:.86rem}
.sia-footer__cta{display:flex;align-items:center;gap:16px;padding:13px 16px;border:1px solid rgba(157,231,242,.22);border-radius:14px;background:rgba(255,255,255,.055)}
.sia-footer__cta div{display:flex;flex-direction:column;gap:2px}.sia-footer__cta small{color:#a8c4d2}.sia-footer__cta strong{color:#fff}.sia-footer__cta a{display:inline-flex;align-items:center;padding:9px 13px;border-radius:9px;background:#9de7f2;color:#08243d!important;text-decoration:none;font-weight:900;white-space:nowrap}
.sia-footer__links{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:38px;padding:27px 0 28px}
.sia-footer__group{display:flex;flex-wrap:wrap;gap:8px 18px;align-content:flex-start}.sia-footer__group strong{flex-basis:100%;color:#9de7f2;font-size:.73rem;letter-spacing:.11em;text-transform:uppercase}.sia-footer__group a{color:#f3f8fb!important;text-decoration:none;font-weight:720}.sia-footer__group a:hover{color:#9de7f2!important;text-decoration:underline;text-underline-offset:4px}
.sia-footer__book{display:flex;flex-direction:column;gap:4px}.sia-footer__book strong{color:#fff}.sia-footer__book span{color:#a8c4d2;line-height:1.45;font-size:.84rem}
.sia-footer__bottom{display:flex;justify-content:space-between;gap:18px;padding-top:18px;border-top:1px solid rgba(203,229,239,.13);color:#8facbb;font-size:.77rem}.sia-footer__bottom a{color:#b7d6e2!important;text-decoration:none}
@media(max-width:900px){.sia-footer__band{grid-template-columns:1fr}.sia-footer__cta{justify-content:space-between}.sia-footer__links{grid-template-columns:1fr 1fr}.sia-footer__book{grid-column:1/-1}}
@media(max-width:620px){.sia-footer__inner{width:min(100% - 28px,1120px)}.sia-footer__cta{align-items:flex-start;flex-direction:column}.sia-footer__links{grid-template-columns:1fr;gap:24px}.sia-footer__book{grid-column:auto}.sia-footer__bottom{flex-direction:column;gap:5px}}


/* Global author page, sourced from Book 1 canonical author profile */
.author-hero{display:grid;grid-template-columns:minmax(220px,310px) minmax(0,1fr);gap:28px;align-items:start;margin:24px 0 30px}
.author-portrait{margin:0;max-width:390px}.author-portrait img{display:block;width:100%;height:auto;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}.author-portrait figcaption{margin-top:9px;color:var(--muted);font-size:.88rem;line-height:1.45}.author-social{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.author-social-note{margin:8px 0 0;color:var(--muted);font-size:.86rem}.social-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid #cfd9e6;background:#f8fbff;color:#24446f;font-size:.92rem;font-weight:700;text-decoration:none}.social-chip svg{width:18px;height:18px;fill:currentColor;flex:0 0 auto}@media(max-width:900px){.author-hero{grid-template-columns:1fr}}

/* ============================================================
   SIA Engine 0.6 — índice canónico + referencias por partes
   ============================================================ */
.book-index-page .book-index-hero{
  padding:72px 0 48px;
}
.book-index-page .book-index-canonical>.wrap{
  width:min(var(--max),calc(100% - 36px));
  margin-inline:auto;
}
.book-index-page .book-index-part{
  margin-top:2.5rem;
}
.book-index-page .book-index-part:first-of-type{
  margin-top:1.9rem;
}
.book-index-page .book-index-part h2{
  margin:0 0 1rem;
}
.book-index-page .chapter-list{
  grid-template-columns:repeat(3,minmax(0,1fr));
  align-items:stretch;
}
.book-index-page .chapter-card{
  min-height:96px;
}
@media(max-width:900px){
  .book-index-page .chapter-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:620px){
  .book-index-page .chapter-list{grid-template-columns:1fr}
}

.references-page .references-note{
  margin:1.4rem 0 2rem;
  padding:14px 16px;
  border:1px solid var(--line);
  border-left:4px solid var(--blue2);
  border-radius:12px;
  background:#f7fbff;
  color:#4f5d70;
  font-size:.95rem;
}
.references-by-parts{
  display:grid;
  gap:18px;
  margin-top:1.25rem;
}
.reference-part-block{
  padding:20px 22px;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
  box-shadow:0 10px 28px rgba(14,42,74,.045);
}
.reference-part-block h2{
  margin:0 0 .9rem;
  font-size:clamp(1.25rem,2.5vw,1.75rem);
  color:var(--ink);
}
.reference-part-list{
  margin:0;
  padding-left:1.35rem;
}
.reference-part-list li+li{
  margin-top:.65rem;
}


/* ============================================================
   SIA Engine 0.8 — portada móvil estable + edición canónica
   ============================================================ */
/*
   La portada usa un grid centrado. En móviles angostos, el ancho intrínseco
   del título/SVG podía ensanchar el grid y desplazar el borde derecho fuera
   del viewport. Estas reglas están acotadas a book-cover-page.
*/
.book-cover-page{
  overflow-x:hidden;
}
.book-cover-page .book-cover{
  width:100%;
  max-width:100vw;
  margin:0;
}
.book-cover-page .book-cover__surface{
  width:min(1040px,100%);
  max-width:100%;
  margin-inline:auto;
  min-width:0;
}
.book-cover-page .book-cover__panel,
.book-cover-page .book-cover__layout,
.book-cover-page .book-cover__copy,
.book-cover-page .book-cover__art{
  min-width:0;
  max-width:100%;
}
.book-cover-page .book-cover__art svg{
  max-width:100%;
  height:auto;
}

@media(max-width:800px){
  .book-cover-page .book-cover{
    display:block;
    min-height:100dvh;
    padding-top:max(12px,env(safe-area-inset-top));
    padding-right:max(12px,env(safe-area-inset-right));
    padding-bottom:max(12px,env(safe-area-inset-bottom));
    padding-left:max(12px,env(safe-area-inset-left));
  }
  .book-cover-page .book-cover__surface{
    width:100%;
    margin:0 auto;
  }
  .book-cover-page .book-cover__panel{
    width:100%;
    min-height:calc(100dvh - 24px);
    padding:26px 22px 22px;
    border-radius:22px;
  }
  .book-cover-page .book-cover__layout{
    grid-template-columns:minmax(0,1fr);
    gap:6px;
    min-height:0;
    padding:28px 0 18px;
  }
  .book-cover-page .book-cover__copy h1{
    max-width:100%;
    font-size:clamp(2.45rem,11.8vw,3.45rem);
    line-height:.96;
    letter-spacing:-.05em;
  }
  .book-cover-page .book-cover__subtitle{
    max-width:100%;
    margin:20px 0 24px;
  }
  .book-cover-page .book-cover__art{
    margin-top:0;
  }
  .book-cover-page .book-cover__art svg{
    width:min(74vw,310px);
    max-height:235px;
  }
  .book-cover-page .book-cover__number{
    font-size:3.7rem;
  }
  .book-cover-page .book-cover__footer{
    margin-top:2px;
  }
}

@media(max-width:480px){
  .book-cover-page .book-cover__panel{
    padding:24px 20px 20px;
  }
  .book-cover-page .book-cover__line{
    max-width:220px;
    font-size:.64rem;
    line-height:1.45;
  }
  .book-cover-page .book-cover__number{
    font-size:3.25rem;
  }
  .book-cover-page .book-cover__copy h1{
    font-size:clamp(2.25rem,11.4vw,3rem);
  }
  .book-cover-page .book-cover__subtitle{
    font-size:1.05rem;
  }
  .book-cover-page .book-cover__art svg{
    width:min(70vw,280px);
    max-height:210px;
  }
}

/* Página pública de edición: misma estructura para todos los libros. */
.edition-page .edition-canonical .edition-meta-list{
  margin:1rem 0 0;
  padding-left:1.15rem;
}
.edition-page .edition-canonical .edition-meta-list li+li{
  margin-top:.3rem;
}
.edition-page .edition-canonical .edition-sequence{
  margin:1.25rem 0 2rem;
}
.edition-page .edition-canonical .edition-sequence p{
  margin:.35rem 0 0;
}

/* Callouts editoriales: el título directo debe quedar separado del cuerpo.
   Recupera el comportamiento de la edición HTML previa a la migración. */
.callout > strong{
  display:block;
  margin-bottom:4px;
}