:root { --bg:#f7f7f9; --card:#fff; --ink:#222; --muted:#6b7280; --brand:#0ea5e9; }
*{box-sizing:border-box} body{margin:0;font-family:system-ui,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--ink)}
.container{max-width:1120px;margin:auto;padding:16px}
.card{background:var(--card);border:1px solid #e5e7eb;border-radius:12px;padding:16px;box-shadow:0 8px 20px rgba(0,0,0,.04)}
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.h{margin:0 0 8px}
.muted{color:var(--muted);font-size:.95rem}
.btn{background:var(--brand);border:none;color:#fff;padding:10px 14px;border-radius:10px;cursor:pointer}
.input,select,textarea{width:100%;padding:10px;border:1px solid #e5e7eb;border-radius:10px}
.header{padding:16px;background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0;z-index:5}
.header .row{display:flex;gap:12px;align-items:center;justify-content:space-between;max-width:1120px;margin:auto}
a{color:var(--brand);text-decoration:none}
a.btn{display:inline-block}
.thumb{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:10px;border:1px solid #eee}

/* Botão flutuante WhatsApp */
.whats-float{
  position:fixed; right:16px; bottom:16px; z-index:9999;
  display:flex; align-items:center; gap:10px;
  background:#25D366;color:#fff;padding:12px 14px;border-radius:999px;
  box-shadow:0 12px 30px rgba(37,211,102,.35);
  font-weight:600
}
.whats-float img{width:22px;height:22px}