:root{
  --roxo:#8B5CF6;--violeta:#4C1D95;--dourado:#D4A24E;--cosmico:#0D0A14;
  --lunar:#F5F3FF;--lavanda:#C4B5FD;
  --display:'Cormorant Garamond',serif;--corpo:'Sora',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--corpo);background:var(--cosmico);color:var(--lunar);line-height:1.7;min-height:100vh}
#ceu{position:fixed;inset:0;z-index:-1;opacity:.7}
a{color:inherit}

.bib-topo{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.4rem;border-bottom:1px solid rgba(139,92,246,.18);background:rgba(13,10,20,.7);backdrop-filter:blur(8px);position:sticky;top:0;z-index:5}
.bib-topo a{text-decoration:none;color:var(--lavanda);font-size:.9rem}
.bib-topo a:hover{color:var(--dourado)}
.bib-marca{font-family:var(--display);font-size:1.2rem;color:var(--lunar)}
.bib-marca em{font-style:normal;color:var(--roxo);font-weight:700}

.bib-main{max-width:1000px;margin:0 auto;padding:2.4rem 1.4rem 3rem}
.bib-olho{font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--dourado);margin-bottom:.6rem}

.bib-hero{text-align:center;margin-bottom:2.4rem}
.bib-hero h1{font-family:var(--display);font-size:clamp(2rem,5vw,2.9rem);font-weight:600;line-height:1.1;margin-bottom:.8rem}
.bib-sub{color:var(--lavanda);max-width:580px;margin:0 auto}

.bib-grade{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1.4rem}
.bib-card{display:flex;flex-direction:column;background:rgba(139,92,246,.07);border:1px solid rgba(139,92,246,.2);border-radius:16px;overflow:hidden;text-decoration:none;color:var(--lunar);transition:transform .18s,border-color .18s}
.bib-card:hover{transform:translateY(-4px);border-color:rgba(212,162,78,.5)}
.bib-card-capa{position:relative;aspect-ratio:2/3;background:#161122;overflow:hidden}
.bib-card-capa img{width:100%;height:100%;object-fit:cover;display:block}
.bib-card-semcapa{display:flex;align-items:center;justify-content:center;height:100%;font-size:3rem;color:var(--roxo)}
.bib-card-semcapa.grande{font-size:5rem;aspect-ratio:2/3}
.bib-tag{position:absolute;top:.6rem;right:.6rem;padding:.3rem .7rem;border-radius:999px;font-size:.78rem;font-weight:600;backdrop-filter:blur(4px)}
.bib-tag.gratis{background:rgba(155,232,176,.9);color:#0D0A14}
.bib-tag.pago{background:rgba(212,162,78,.92);color:#0D0A14}
.bib-card-info{padding:1rem;display:flex;flex-direction:column;gap:.3rem;flex:1}
.bib-card-info h2{font-family:var(--display);font-size:1.2rem;color:var(--lunar);font-weight:600;line-height:1.2}
.bib-card-sub{font-size:.82rem;color:var(--lavanda);opacity:.85;flex:1}
.bib-card-cta{margin-top:.4rem;font-size:.85rem;color:var(--dourado)}

.bib-livro{display:grid;grid-template-columns:300px 1fr;gap:2.2rem;align-items:start}
.bib-livro-capa img{width:100%;border-radius:14px;box-shadow:0 12px 40px rgba(13,10,20,.6)}
.bib-livro-corpo h1{font-family:var(--display);font-size:clamp(1.7rem,4vw,2.4rem);font-weight:600;line-height:1.15;margin:.2rem 0 .4rem}
.bib-livro-sub{color:var(--lavanda);font-size:1.05rem;margin-bottom:1rem}
.bib-preco{font-family:var(--display);font-size:1.8rem;color:var(--dourado);margin:.6rem 0 1rem}
.bib-preco.gratis{font-size:1.4rem}
.bib-acoes{margin:1.2rem 0}
.bib-botao{display:inline-block;padding:.95rem 2rem;border-radius:999px;background:linear-gradient(135deg,var(--roxo),var(--violeta));color:var(--lunar);text-decoration:none;font-weight:600;border:none;cursor:pointer;font-family:var(--corpo);font-size:1rem}
.bib-botao:hover{filter:brightness(1.08)}
.bib-nota{font-size:.84rem;color:var(--lavanda);opacity:.85;margin-top:.6rem}
.bib-desc{margin-top:1.4rem}
.bib-desc p{margin-bottom:1rem;color:#E8E3F5}
.bib-aviso-edu{margin-top:1.4rem;font-size:.78rem;color:var(--lavanda);opacity:.7;border-top:1px solid rgba(139,92,246,.15);padding-top:1rem}
.bib-link{color:var(--lavanda);text-decoration:none}
.bib-link:hover{color:var(--dourado)}
.bib-msg{padding:.8rem 1rem;border-radius:12px;background:rgba(139,92,246,.12);border:1px solid rgba(139,92,246,.3);margin:.6rem 0;font-size:.9rem}
.bib-msg.ok{background:rgba(155,232,176,.12);border-color:rgba(155,232,176,.4)}
.bib-form-lead{max-width:340px;margin:0 0 .3rem}
.bib-form-rotulo{display:block;font-size:.82rem;color:var(--lavanda);margin:.6rem 0 .3rem}
.bib-form-lead input{width:100%;background:var(--cosmico);border:1px solid rgba(139,92,246,.3);color:var(--lunar);border-radius:10px;padding:.8rem 1rem;font-family:var(--corpo);font-size:1rem;margin-bottom:.2rem}
.bib-form-lead input:focus{outline:none;border-color:var(--roxo)}
.bib-form-lead .bib-botao{width:100%;margin-top:.8rem}
.bib-form-erro{color:#FCA5A5;font-size:.85rem;min-height:1rem;margin-top:.5rem}
.bib-vazio{text-align:center;color:var(--lavanda);padding:3rem 1rem}
.bib-vazio a{color:var(--dourado)}

.bib-rodape{text-align:center;padding:2.2rem 1.4rem;border-top:1px solid rgba(139,92,246,.15);color:var(--lavanda);font-size:.84rem}
.bib-rodape a{color:var(--lavanda);text-decoration:none}
.bib-rodape a:hover{color:var(--dourado)}

/* admin */
.bib-admin-titulo{font-family:var(--display);font-size:1.8rem;margin-bottom:1rem}
.bib-admin-lista table{width:100%;border-collapse:collapse;margin-bottom:2rem;font-size:.9rem}
.bib-admin-lista th,.bib-admin-lista td{text-align:left;padding:.5rem .6rem;border-bottom:1px solid rgba(139,92,246,.15)}
.bib-admin-lista a{color:var(--dourado)}
.bib-admin-form{background:rgba(139,92,246,.06);border:1px solid rgba(139,92,246,.2);border-radius:14px;padding:1.4rem}
.bib-admin-form label{display:block;margin:.7rem 0;font-size:.85rem;color:var(--lavanda)}
.bib-admin-form input,.bib-admin-form textarea{width:100%;margin-top:.25rem;padding:.6rem .8rem;border-radius:10px;border:1px solid rgba(139,92,246,.3);background:rgba(13,10,20,.6);color:var(--lunar);font-family:var(--corpo);font-size:.95rem}
.bib-admin-linha{display:flex;gap:.8rem}
.bib-admin-linha label{flex:1}
.bib-admin-check{display:flex;align-items:center;gap:.5rem}
.bib-admin-check input{width:auto;margin:0}

@media (max-width:680px){
  .bib-livro{grid-template-columns:1fr}
  .bib-livro-capa{max-width:260px;margin:0 auto}
}