/* Minimal, mobile-first styles for Period Calculator */
.bwzpc2-wrapper{max-width:860px;margin:1.5rem auto;padding:1rem;border:1px solid #eee;border-radius:16px;background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.04);font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial;}
.bwzpc2-title{font-size:1.8rem;margin:.25rem 0 .5rem 0;line-height:1.2}
.bwzpc2-sub{color:#444;margin-bottom:1rem}
.bwzpc2-form{display:grid;gap:.75rem}
.bwzpc2-inline{display:grid;gap:.75rem}
@media(min-width:640px){.bwzpc2-inline{grid-template-columns:1fr 1fr}}
.bwzpc2-field label,.bwzpc2-form label{font-weight:600;margin-bottom:.25rem;display:block}
.bwzpc2-form input[type="date"], .bwzpc2-form input[type="number"]{width:100%;padding:.6rem;border:1px solid #dcdcdc;border-radius:10px}
.bwzpc2-btn{appearance:none;border:none;background:#111;color:#fff;padding:.65rem 1rem;border-radius:10px;cursor:pointer;font-weight:600}
.bwzpc2-btn:hover{opacity:.95}
.bwzpc2-btn-secondary{background:#f3f3f3;color:#111;border:1px solid #ddd}
.bwzpc2-results{margin-top:1rem;padding:1rem;border:1px solid #eee;border-radius:12px;background:#fafafa}
.bwzpc2-list{line-height:1.8}
.bwzpc2-ad{min-height:60px;margin:12px 0;border:1px dashed #e5e5e5;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#aaa;font-size:.9rem}
.bwzpc2-actions{display:flex;gap:.5rem;margin-top:.75rem;flex-wrap:wrap}
.bwzpc2-faq details{margin:.35rem 0}