:root{
  --ink:#27304a; --muted:#6e7485; --purple:#7157d9; --purple2:#9d7cf3;
  --pink:#ff8fa9; --yellow:#ffd56a; --green:#70d6b5; --cream:#fffaf1;
  --border:#e8e0fb; --bg:#fdfaff; --danger:#c0392b; --danger-bg:#ffe8ed;
  --ok:#26765d; --ok-bg:#ecfff8;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:Inter,Segoe UI,Arial,sans-serif;
  background:linear-gradient(180deg,#fffaf1 0,#f8f4ff 45%,#fff 100%);
  min-height:100vh}
a{color:inherit}
.wrap{width:min(1120px,calc(100% - 32px));margin:auto}
.wrap-sm{width:min(480px,calc(100% - 32px));margin:auto}

/* topo */
header.site{display:flex;justify-content:space-between;align-items:center;padding:20px 0}
.brand{font-size:23px;font-weight:900;color:var(--purple);text-decoration:none}
.brand span{color:var(--pink)}
nav.site{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
nav.site a{text-decoration:none;font-weight:700;font-size:14px;color:var(--ink)}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border:0;border-radius:14px;padding:12px 20px;font-weight:800;font-size:14px;
  cursor:pointer;text-decoration:none}
.btn.primary{background:linear-gradient(135deg,var(--purple),var(--purple2));color:#fff;
  box-shadow:0 10px 24px rgba(113,87,217,.28)}
.btn.secondary{border:2px solid #ded4fa;background:#fff;color:var(--purple)}
.btn.danger{background:var(--danger-bg);color:var(--danger)}
.btn.wide{width:100%}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:10px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* cards / forms */
.card{background:#fff;border:1px solid var(--border);border-radius:22px;
  padding:26px;box-shadow:0 8px 24px rgba(65,45,110,.06)}
.field{margin-bottom:16px}
.field label{display:block;font-weight:800;font-size:13px;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;border:1.5px solid #ded9e8;
  background:#fcfbff;border-radius:13px;padding:12px;outline:none;font:inherit;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--purple)}
.field .hint{font-size:12px;color:var(--muted);font-weight:500;margin-left:4px}
.err{color:var(--danger);font-size:12.5px;font-weight:700;margin-top:5px}
.status-msg{border-radius:12px;padding:11px 14px;font-size:13.5px;font-weight:700;margin-bottom:14px}
.status-msg.ok{background:var(--ok-bg);color:var(--ok)}
.status-msg.err{background:var(--danger-bg);color:var(--danger)}
.foot-link{margin-top:16px;text-align:center;font-size:13.5px}
.foot-link a{color:var(--purple);font-weight:700;text-decoration:none}

/* tela de auth (login/registro) */
.auth-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;
  justify-content:center;padding:30px 16px}
.auth-shell .brand{font-size:30px;margin-bottom:22px}
.auth-shell .card{width:min(420px,100%)}

/* app logado */
.app-shell{min-height:100vh}
.app-nav{background:#fff;border-bottom:1px solid var(--border)}
.app-nav .wrap{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.app-nav .links{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.app-nav .links a{text-decoration:none;font-weight:700;font-size:13.5px;color:var(--muted);
  padding:8px 4px;border-bottom:2px solid transparent}
.app-nav .links a.active{color:var(--purple);border-color:var(--purple)}
.app-main{padding:34px 0 70px}
.page-title{display:flex;align-items:center;justify-content:space-between;gap:12px;
  flex-wrap:wrap;margin-bottom:24px}
.page-title h1{font-size:27px;margin:0}
.page-title p{color:var(--muted);margin:4px 0 0;font-size:14.5px}

/* créditos */
.credit-pill{display:inline-flex;align-items:center;gap:6px;background:#fff5d8;
  border:1px solid #ffe18d;color:#7a5b12;font-weight:800;font-size:12.5px;
  padding:6px 12px;border-radius:999px}

/* grid de crianças / estante */
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.child-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:18px;
  text-align:center}
.child-avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(145deg,#eae2ff,#fff0dd);
  display:flex;align-items:center;justify-content:center;font-size:28px;margin:0 auto 10px}
.child-card h3{margin:4px 0 2px;font-size:16px}
.child-card p{margin:0;color:var(--muted);font-size:12.5px}
.child-actions{display:flex;gap:6px;justify-content:center;margin-top:12px}

.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.empty .icon{font-size:44px;margin-bottom:10px}

/* estante de livros */
.book-card{background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;
  display:flex;flex-direction:column}
.book-cover{aspect-ratio:3/2;display:flex;align-items:center;justify-content:center;
  font-size:52px;color:#fff;text-align:center;position:relative;padding:14px}
.book-cover .title{position:absolute;bottom:10px;left:10px;right:10px;font-size:12.5px;
  font-weight:800;background:rgba(0,0,0,.28);border-radius:8px;padding:5px 7px}
.book-body{padding:14px;display:flex;flex-direction:column;gap:8px;flex:1}
.book-body h3{margin:0;font-size:14.5px}
.book-meta{font-size:12px;color:var(--muted)}
.badge{display:inline-block;font-size:11px;font-weight:800;padding:4px 9px;border-radius:999px}
.badge.st-concluido{background:#ecfff8;color:#1a8f6b}
.badge.st-processando{background:#fff6df;color:#a87411}
.badge.st-falhou{background:var(--danger-bg);color:var(--danger)}
.badge.st-rascunho{background:#f1eefc;color:#6a5aad}
.book-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}

/* form de criação */
.themes{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}
.theme{border:1.5px solid #e4deef;background:#fff;border-radius:13px;padding:11px;
  text-align:left;cursor:pointer;font-weight:700;font-size:13.5px}
.theme.active{border-color:var(--purple);background:#f2edff;color:var(--purple)}
.color-options{display:flex;gap:9px;flex-wrap:wrap}
.color-dot{width:32px;height:32px;border:3px solid #fff;border-radius:50%;
  box-shadow:0 0 0 1px #d9d3e3;cursor:pointer;padding:0}
.color-dot.active{box-shadow:0 0 0 3px var(--purple)}
.options-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* leitor */
.reader-overlay{display:none;position:fixed;inset:0;background:rgba(25,20,48,.76);z-index:50;
  padding:16px;align-items:center;justify-content:center;backdrop-filter:blur(6px)}
.reader-overlay.open{display:flex}
.reader-shell{width:min(760px,100%);background:#fff;border-radius:24px;padding:16px;
  box-shadow:0 30px 90px rgba(0,0,0,.35);max-height:92vh;display:flex;flex-direction:column}
.reader-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.reader-top strong{color:var(--purple)}
.close-reader{border:0;background:#f0ebfa;width:36px;height:36px;border-radius:50%;
  font-size:20px;cursor:pointer}
.reader-book{flex:1;min-height:380px;border-radius:18px;padding:30px;display:flex;
  align-items:center;justify-content:center;text-align:center;overflow:auto}
.reader-emoji{font-size:70px;margin-bottom:14px}
.reader-book h2{font-size:26px;color:#fff;margin:0 0 12px}
.reader-book p{font-family:Georgia,serif;font-size:17px;line-height:1.7;color:#fff;opacity:.95}
.reader-nav{display:grid;grid-template-columns:100px 1fr 100px;align-items:center;gap:8px;margin-top:12px}
.reader-nav button{border:0;background:var(--purple);color:#fff;padding:10px;border-radius:10px;
  font-weight:800;cursor:pointer}
.reader-nav button:disabled{opacity:.3;cursor:default}
.dots{text-align:center}
.dot-page{display:inline-block;width:8px;height:8px;border-radius:50%;background:#d8d1e8;margin:0 3px}
.dot-page.active{background:var(--purple)}

/* admin */
table.admin{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden}
table.admin th,table.admin td{padding:11px 13px;text-align:left;border-bottom:1px solid var(--border);font-size:13.5px}
table.admin th{background:#f7f4ff;color:var(--purple);font-size:12px;text-transform:uppercase;letter-spacing:.03em}

footer.site{text-align:center;color:var(--muted);padding:30px 0;font-size:12.5px}

@media(max-width:760px){
  .options-grid,.themes{grid-template-columns:1fr}
  .reader-nav{grid-template-columns:80px 1fr 80px}
}