/* Minimal, responsive, plain-language UI */
.nzphc-card{border:1px solid #e5e9f2;border-radius:14px;padding:16px;margin:12px 0;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.04)}
.nzphc-title{font-weight:700;margin-bottom:8px;color:#0d2a4a}
.nzphc-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.nzphc-grid input{width:100%;padding:10px;border:1px solid #cfd6df;border-radius:10px}
.nzphc-checkbox{display:flex;align-items:center;gap:8px}
.nzphc-fieldset{border:1px solid #e5e9f2;border-radius:12px;padding:12px}
.nzphc-fieldset legend{padding:0 6px;color:#0d2a4a;font-weight:600}
.nzphc-btn{background:#0d2a4a;color:#fff;border:none;border-radius:10px;padding:10px 14px;cursor:pointer}
.nzphc-btn:hover{opacity:.92}
.nzphc-result{margin-top:12px;font-weight:600;line-height:1.5}
.nzphc-result .ok{color:#0f5132}
.nzphc-result .warn{color:#664d03}
.nzphc-note{font-size:.9em;color:#516173;margin-top:8px}
@media(max-width:1000px){.nzphc-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.nzphc-grid{grid-template-columns:1fr}}