/* Basic styles — adapt to your theme */
.nf-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.6); display:flex; align-items:center; justify-content:center; z-index:9999; }
.nf-modal { max-width:640px; width:95%; border-radius:8px; position:relative; box-shadow:0 6px 24px rgba(0,0,0,0.3); overflow:auto; max-height:90vh; }
.nf-close { position:absolute; top:8px; right:8px; background:none; border:none; font-size:24px; cursor:pointer; }