*{box-sizing:border-box}:root{--text:#23170f;--muted:#75614d;--orange:#c86b2d;--dark:#21150d;--shadow:0 16px 38px rgba(68,38,18,.16);--r:24px}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:linear-gradient(145deg,#fff8ef,#ffe0b5);color:var(--text)}
a{text-decoration:none}header{position:sticky;top:0;z-index:5;background:rgba(255,248,239,.94);backdrop-filter:blur(10px);box-shadow:0 6px 18px rgba(68,38,18,.08);padding:16px}
.nav{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:14px}.brand{display:flex;align-items:center;gap:12px}.brand span{display:block;color:var(--muted);font-size:13px}
.logo{width:56px;height:56px;border-radius:50%;background:var(--dark);color:#fff;display:grid;place-items:center;font-size:24px;font-weight:900;border:3px solid #fff;box-shadow:var(--shadow)}
nav{display:flex;gap:8px;flex-wrap:wrap}nav a{padding:9px 12px;border-radius:999px;background:#fff;color:#8d441f;font-weight:800;font-size:13px;border:1px solid #efd1a8}
main{width:min(1180px,calc(100% - 28px));margin:24px auto 70px}.hero{min-height:520px;border-radius:34px;background:linear-gradient(115deg,rgba(33,21,13,.9),rgba(200,107,45,.55)),url('imagenes/foto-principal.jpg');background-size:cover;background-position:center;display:flex;align-items:flex-end;padding:34px;box-shadow:var(--shadow);color:#fff}
.heroText{max-width:800px}.pill,.tag{display:inline-block;border-radius:999px;font-weight:900}.pill{padding:9px 13px;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35)}
h1{font-size:clamp(36px,8vw,74px);line-height:.95;margin:14px 0}.hero p{font-size:20px;color:#ffead2;line-height:1.5}.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn,button{border:0;border-radius:999px;padding:14px 18px;font-weight:900;font-size:15px;cursor:pointer;display:inline-block}.primary,button{background:var(--orange);color:#fff}.white{background:#fff;color:#8d441f}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.stats div,.card{background:rgba(255,255,255,.94);border-radius:var(--r);box-shadow:var(--shadow);padding:20px;border:1px solid rgba(255,255,255,.7)}
.stats b{display:block;font-size:34px;color:#8d441f}.stats span,p,li{color:var(--muted);line-height:1.55}h2{font-size:31px;margin:34px 0 15px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.ebook img{width:100%;height:230px;object-fit:cover;border-radius:18px;background:#f4c36b}.tag{background:#fff0cf;color:#8d441f;padding:7px 11px;font-size:12px;margin-top:12px}.price{font-size:34px;font-weight:900;color:#8d441f}
.featured{background:linear-gradient(145deg,#2a1b10,#b85e2a);color:#fff}.featured p,.featured .price{color:#fff0cf}.ai{background:#21150d;color:#fff;border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}.ai p{color:#f2d5b7}
.chat{height:300px;overflow:auto;background:rgba(255,255,255,.08);border-radius:18px;padding:12px;margin:12px 0}.msg{max-width:88%;padding:11px 13px;border-radius:16px;margin:8px 0;line-height:1.45}.bot{background:#fff0cf;color:#23170f}.user{background:var(--orange);color:#fff;margin-left:auto}
.chatrow{display:flex;gap:8px}.chatrow input{flex:1;border:0;border-radius:16px;padding:14px 16px;font-size:15px}
.admin{display:grid;grid-template-columns:1fr 1fr;gap:16px}.wide{grid-column:1/-1}label{display:block;font-weight:900;margin:12px 0 6px;color:#8d441f}input,textarea{width:100%;border:1px solid #ebcca2;border-radius:14px;padding:13px;font-size:15px}textarea{min-height:90px}.note{font-size:13px}.editorRow{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;background:#fff8ed;border-radius:18px;padding:14px;margin:12px 0}#exportBox{min-height:220px;font-family:monospace}
footer{text-align:center;color:var(--muted);padding:35px 16px}@media(max-width:850px){.nav{align-items:flex-start;flex-direction:column}.grid,.stats,.admin{grid-template-columns:1fr}.hero{min-height:560px;padding:24px}.chatrow{flex-direction:column}.editorRow{grid-template-columns:1fr}}