/* NB Stampa Personalizzata — Product Page */
.nb-stampa-wrap{
    margin:20px 0;
    border:1px solid #e2e8f0;
    border-radius:12px;
    overflow:hidden;
    background:#fff;
}
.nb-stampa-header{
    display:flex;align-items:center;gap:10px;
    padding:13px 16px;
    background:#f8fafc;
    border-bottom:1px solid #e2e8f0;
}
.nb-stampa-icon{font-size:20px}
.nb-stampa-header strong{font-size:14px;color:#0f172a;display:block;line-height:1.2}
.nb-stampa-subtitle{font-size:12px;color:#64748b}

.nb-stampa-notice{
    display:flex;align-items:center;gap:8px;
    padding:8px 16px;
    background:#eff6ff;
    border-bottom:1px solid #bfdbfe;
    font-size:12px;color:#1e40af;
}
.nb-tier-indicator{
    background:#2563eb;color:#fff;
    font-size:11px;font-weight:700;
    border-radius:4px;padding:2px 8px;
    flex-shrink:0;
}
.nb-tier-indicator.large{background:#16a34a}

.nb-stampa-options{
    padding:12px;
    display:grid;
    gap:8px;
}
.nb-stampa-option{
    display:flex;align-items:center;
    border:1.5px solid #e2e8f0;
    border-radius:9px;
    padding:10px 14px;
    cursor:pointer;
    transition:border-color .15s,background .15s;
    user-select:none;
}
.nb-stampa-option input[type=radio]{display:none}
.nb-stampa-option:hover{border-color:#93c5fd;background:#f8fafc}
.nb-stampa-option.active{border-color:#2563eb;background:#eff6ff}
.nb-stampa-option-inner{display:flex;justify-content:space-between;align-items:center;width:100%;gap:10px}
.nb-stampa-option-label{font-size:13px;font-weight:500;color:#0f172a}
.nb-stampa-option-price{
    font-size:12px;font-weight:600;
    color:#2563eb;
    background:#dbeafe;
    border-radius:20px;padding:2px 10px;
    white-space:nowrap;
    flex-shrink:0;
}
.nb-stampa-option.active .nb-stampa-option-price{background:#2563eb;color:#fff}
.nb-stampa-option[data-key="nessuna"] .nb-stampa-option-price{color:#64748b;background:#f1f5f9}

.nb-stampa-total{
    display:flex;align-items:center;gap:8px;
    padding:10px 16px;
    background:#f0fdf4;
    border-top:1px solid #bbf7d0;
    font-size:13px;color:#166534;
}
.nb-stampa-total strong{font-size:15px;font-weight:700}
.nb-stampa-total small{color:#166534;font-size:11px;margin-left:4px}

/* ── Tier tabs (always visible) ── */
.nb-stampa-tier-bar{
    display:flex;align-items:center;gap:6px;
    padding:10px 14px 0;
    border-bottom:1px solid #e2e8f0;
}
.nb-tier-tab{
    padding:6px 14px;
    border-radius:7px 7px 0 0;
    font-size:12px;font-weight:600;
    cursor:pointer;
    color:#64748b;
    border:1px solid transparent;
    border-bottom:none;
    transition:color .15s,background .15s,border-color .15s;
    margin-bottom:-1px;
}
.nb-tier-tab:hover{color:#0f172a;background:#f1f5f9}
.nb-tier-tab.active{
    color:#2563eb;
    background:#fff;
    border-color:#e2e8f0;
    border-bottom-color:#fff;
}
.nb-tier-auto-hint{
    margin-left:auto;
    font-size:11px;color:#94a3b8;
}