.bfac-calculator {
    max-width: 920px;
    margin: 26px auto;
    padding: 22px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(20,40,70,0.06);
    font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial;
    color: #223;
}

.bfac-title { text-align:center; color:#2b5aa7; margin-bottom:14px; font-size:1.5rem; }

.bfac-row { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:12px; }
.bfac-field { flex:1 1 48%; display:flex; flex-direction:column; }
.bfac-field.full-width { flex-basis:100%; }

.bfac-field label { font-weight:600; margin-bottom:6px; }
#bfac_search { padding:10px 12px; border-radius:8px; border:1px solid #e3e8f0; }
.bfac-select, .bfac-field select { padding:10px; border-radius:8px; border:1px solid #e3e8f0; background:#fbfdff; }

.bfac-foods { display:grid; grid-template-columns:repeat(4,1fr); gap:8px; align-items:start; }
.bfac-food { background:#f7fbff; padding:8px 10px; border-radius:8px; border:1px solid #e6f0fb; display:flex; align-items:center; gap:8px; font-size:14px; }
.bfac-food input { transform:scale(1.02); }

.bfac-center { text-align:center; margin-top:14px; }
.bfac-button { background:#2c6ecb; color:#fff; border:none; padding:10px 24px; border-radius:8px; font-weight:700; cursor:pointer; box-shadow:0 6px 18px rgba(44,110,203,0.12); }
.bfac-button:hover { background:#1f53a0; }

.bfac-results { margin-top:18px; background:#f7fbff; padding:14px; border-radius:10px; border:1px solid #dbeefc; }
.bfac-output { display:flex; flex-direction:column; gap:10px; }
.bfac-safe { color:#0a8a57; font-weight:700; }
.bfac-warning { color:#c0392b; font-weight:700; }
.bfac-note { color:#666; font-size:13px; margin-top:8px; }

/* modal */
#bfac_request_modal { background:#fff; border:1px solid #e6eefb; padding:12px; border-radius:8px; max-width:520px; margin-top:12px; }
#bfac_request_modal input, #bfac_request_modal textarea { width:100%; margin-bottom:8px; padding:8px; border-radius:6px; border:1px solid #ddd; }

/* Responsive */
@media (max-width:1000px) { .bfac-foods { grid-template-columns:repeat(3,1fr); } }
@media (max-width:700px) { .bfac-foods { grid-template-columns:repeat(2,1fr); } .bfac-field { flex-basis:100%; } }
@media (max-width:420px) { .bfac-foods { grid-template-columns:repeat(1,1fr); } .bfac-button{width:100%;} }