:root{
  --dri-bg:#ffffff; --dri-fg:#0f172a; --dri-muted:#475569; --dri-card:#ffffff; --dri-border:#e2e8f0;
  --dri-accent:#2563eb; --dri-accent-fg:#ffffff; --dri-chip-bg:#dbeafe; --dri-chip-fg:#1e3a8a;
  --dri-alert-bg:#fef2f2; --dri-alert-fg:#7f1d1d; --dri-alert-border:#ef4444;
  --dri-ok-bg:#ecfdf5; --dri-ok-fg:#065f46; --dri-ok-border:#10b981;
}
@media (prefers-color-scheme: dark){
  :root{
    --dri-bg:#0b0f16; --dri-fg:#e5e7eb; --dri-muted:#94a3b8; --dri-card:#121826; --dri-border:#273044;
    --dri-accent:#60a5fa; --dri-accent-fg:#0b0f16; --dri-chip-bg:#1e293b; --dri-chip-fg:#93c5fd;
    --dri-alert-bg:#2b0f12; --dri-alert-fg:#fecaca; --dri-alert-border:#f87171;
    --dri-ok-bg:#0f231a; --dri-ok-fg:#a7f3d0; --dri-ok-border:#34d399;
  }
}
.nfc-dieta-reversa-form{max-width:1100px;line-height:1.7;margin:1.25rem auto;padding:1.25rem;border:1px solid var(--dri-border);
  border-radius:16px;background:var(--dri-card);box-shadow:0 6px 28px rgba(0,0,0,.06);
  font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;color:var(--dri-fg);font-size:1.18rem}
.nfc-dieta-reversa-form h2{margin:.25rem 0 1rem 0;font-size:2rem;letter-spacing:.2px}
.nfc-dieta-reversa-form .grid{display:grid;grid-template-columns:1fr;gap:1rem}
.nfc-dieta-reversa-form label{display:flex;flex-direction:column;gap:.55rem}
.nfc-dieta-reversa-form input,.nfc-dieta-reversa-form select,.nfc-dieta-reversa-form button{padding:1rem 1.1rem;border-radius:14px;border:1px solid var(--dri-border);
  background:var(--dri-bg);color:var(--dri-fg);font-size:1.12rem}
.nfc-dieta-reversa-form button{cursor:pointer;border:1px solid var(--dri-accent);background:var(--dri-accent);color:var(--dri-accent-fg);font-weight:700}
#nfc-meta,#nfc-summary{margin-top:1rem;padding:1rem;background:color-mix(in srgb, var(--dri-card) 92%, var(--dri-bg));border-radius:12px;border:1px dashed var(--dri-border)}
.nfc-table{width:100%;border-collapse:separate;border-spacing:0;margin-top:1rem;font-size:1.08rem}
.nfc-table th,.nfc-table td{border:1px solid var(--dri-border);padding:.9rem .7rem;text-align:center}
.nfc-badge{display:inline-block;padding:.35rem .7rem;border-radius:999px;background:var(--dri-chip-bg);color:var(--dri-chip-fg);font-size:1rem;font-weight:700}
.nfc-small{font-size:1rem;color:var(--dri-muted)}
.nfc-search{display:flex;gap:.7rem;align-items:center}.nfc-search input{flex:1}
.nfc-list{max-height:320px;overflow:auto;border:1px solid var(--dri-border);border-radius:12px;margin-top:.6rem;background:var(--dri-bg)}
.nfc-list-item{display:flex;justify-content:space-between;align-items:center;padding:.8rem 1rem;border-bottom:1px solid var(--dri-border);font-size:1.06rem}
.nfc-list-item button{padding:.5rem .8rem;border-radius:12px;border:1px solid var(--dri-border);background:var(--dri-card)}
.nfc-chip{display:inline-block;padding:.3rem .6rem;border-radius:999px;background:var(--dri-chip-bg);color:var(--dri-chip-fg);font-size:.98rem;margin-left:.45rem}
.nfc-alert{margin-top:1rem;padding:1rem;border-left:6px solid var(--dri-alert-border);background:var(--dri-alert-bg);color:var(--dri-alert-fg);border-radius:12px}
.nfc-ok{margin-top:1rem;padding:1rem;border-left:6px solid var(--dri-ok-border);background:var(--dri-ok-bg);color:var(--dri-ok-fg);border-radius:12px}
@media(min-width:720px){.nfc-dieta-reversa-form{font-size:1.12rem}.nfc-dieta-reversa-form .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nfc-table{font-size:1.02rem}}
@media(min-width:980px){.nfc-dieta-reversa-form .grid{grid-template-columns:repeat(3,minmax(0,1fr))}.nfc-dieta-reversa-form h2{font-size:2.1rem}}