:root{
  --bg:#f7fafc; --card:#fff; --ink:#1f2937; --muted:#64748b;
  --brand:#0369a1; --accent:#10b981; --border:#e5e7eb; --rose:#b91c1c; --warn:#b45309;
  --chip-logo: 22px; --card-logo: 26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Helvetica,Arial;background:linear-gradient(#e6f3fb,#fff);color:var(--ink)}
a{color:var(--brand);text-decoration:none}
.container{max-width:1080px;margin:0 auto;padding:0 16px}
header{position:sticky;top:0;backdrop-filter:saturate(180%) blur(8px);background:#ffffffb3;border-bottom:1px solid var(--border);z-index:10}
header .row{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;gap:8px;align-items:center;font-weight:700}
.btn{display:inline-flex;justify-content:center;align-items:center;border:none;border-radius:12px;padding:12px 14px;font-weight:700;color:#fff;background:#075985;cursor:pointer}
.btn.small{padding:8px 12px;border-radius:10px;font-size:14px}
.btn:hover{background:#0c4a6e}
.grid{display:grid;gap:24px}
@media(min-width:860px){.grid-2{grid-template-columns:1fr 1fr}}

h1{font-size:clamp(28px,4vw,44px);line-height:1.15;margin:0}
.muted{color:var(--muted)}
.hero{padding:48px 0 28px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:0 1px 2px rgba(0,0,0,.05)}
.card .pad{padding:16px}
label{display:block;font-size:14px;font-weight:600;margin:8px 0 6px}
select,input{width:100%;padding:10px;border:1px solid var(--border);border-radius:12px;outline:none}
select:focus,input:focus{box-shadow:0 0 0 3px #7dd3fcaa;border-color:#38bdf8}
.alert{font-size:14px;border-radius:10px;padding:10px 12px;margin-top:10px}
.alert.err{background:#fef2f2;border:1px solid #fee2e2;color:var(--rose)}
.row-between{display:flex;gap:16px;flex-direction:column}
@media(min-width:760px){.row-between{flex-direction:row;align-items:center;justify-content:space-between}}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;border:1px solid var(--border);background:#fff;border-radius:999px;padding:6px 10px;font-size:13px}
.chip--brand { display:inline-flex; gap:8px; align-items:center; }
.chip-logo { width:var(--chip-logo); height:var(--chip-logo); object-fit:contain; }

/* Cards ofertas */
.ofertas-title{font-size:1.1rem;font-weight:800;margin:8px 0 10px}
.ofertas-grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.oferta{border:1px solid var(--border);border-radius:14px;padding:14px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.oferta-badge{display:inline-block;font-size:.75rem;font-weight:800;padding:4px 8px;border-radius:999px;margin-bottom:6px}
.badge-rec{background:#e6f6ff;color:#075985}
.badge-eco{background:#ecfdf5;color:#065f46}
.badge-prem{background:#f5f3ff;color:#5b21b6}
.oferta h4{margin:4px 0 8px;font-size:1.05rem}
.oferta .muted{font-size:.9rem}

/* título do card com logo */
.brand-title { display:flex; gap:8px; align-items:center; margin:4px 0 8px; font-size:1.05rem; }
.brand-logo { width:var(--card-logo); height:var(--card-logo); object-fit:contain; }



/* ULTIMAS ALTERAÇOES */
.bf-combo{position:relative;max-width:720px}
.bf-input{
  width:100%;padding:14px 44px 14px 40px;border:1px solid #e5e7eb;border-radius:12px;
  font-size:15px;background:#fff;outline:0;
}
.bf-toggle{position:absolute;right:20px;top:50%;transform:translateY(-50%);
  border:0;background:transparent;font-size:18px;opacity:.7;cursor:pointer}
.bf-preview{position:absolute;left:12px;top:50%;transform:translateY(-50%);display:none}
.bf-preview img{width:18px;height:18px;border-radius:999px;object-fit:contain}
.bf-combo.has-value .bf-preview{display:block}

.bf-menu{
  position:absolute;z-index:20;left:0;right:0;top:calc(100% + 6px);
  background:#fff;border:1px solid #e5e7eb;border-radius:12px;
  max-height:500px;overflow:auto;box-shadow:0 8px 24px rgba(0,0,0,.08);display:none
}
.bf-menu.open{display:block}
.bf-group{padding:6px 10px 4px;font-size:12px;font-weight:700;color:#6b7280}
.bf-item{display:flex;align-items:center;gap:30px;padding:30px 30px;cursor:pointer}
.bf-item:hover,.bf-item[aria-selected="true"]{background:#f1f5f9}
.bf-item img{width:50px;height:50px;border-radius:999px;object-fit:contain}
.bf-empty{padding:50px;color:#6b7280;font-size:14px}