/* Simple, clean responsive styles */
:root{
  --max-width:1100px;
  --accent:#2c3e50;
  --muted:#666;
  --pad:18px;
}
*{box-sizing:border-box}
body{font-family: system-ui,-apple-system,Segoe UI,Roboto,'Helvetica Neue',Arial; margin:0;color:#222;line-height:1.5;background:#fff}
.container{max-width:var(--max-width);margin:0 auto;padding:24px}
.site-header{background:#f7f7f7;border-bottom:1px solid #e6e6e6}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand a{color:var(--accent);text-decoration:none;font-weight:700}
.main-nav a{margin-left:14px;color:var(--accent);text-decoration:none}
.hero{padding:36px 0;text-align:center}
.hero h2{margin:0 0 8px;font-size:28px}
.button{display:inline-block;padding:10px 16px;border-radius:8px;background:var(--accent);color:#fff;text-decoration:none}
.button-outline{display:inline-block;padding:8px 12px;border-radius:8px;border:1px solid var(--accent);color:var(--accent);text-decoration:none}
.featured{margin-top:24px}
.card{display:flex;gap:18px;align-items:center;padding:12px;border:1px solid #eee;border-radius:10px;background:#fff}
.cover-placeholder,.cover-large{width:140px;height:200px;background:#ddd;display:flex;align-items:center;justify-content:center;border-radius:6px;color:#777}
.cover-large{width:200px;height:280px}
.card-body{flex:1}
.book-meta{display:flex;gap:18px;align-items:flex-start;margin-top:12px}
.book-page .sinopse p{margin-bottom:12px}
ul{padding-left:18px}
.site-footer{border-top:1px solid #eee;padding:16px 0;margin-top:36px;background:#fafafa;color:var(--muted)}
@media(max-width:720px){
  .site-header .container{flex-direction:column;align-items:flex-start}
  .book-meta{flex-direction:column}
  .cover-large{width:100%;height:240px}
}