.sbpc-calculator{--text:#1f2937;--muted:#6b7280;--border:#d1d5db;--panel:#f1f5f9;max-width:100%;margin:24px auto;color:var(--text);font-family:inherit}.sbpc-calculator *{box-sizing:border-box}.sbpc-card{background:#fff}.sbpc-title{margin:0 0 34px;font-size:clamp(2rem,4vw,3.6rem);line-height:1.1;font-weight:600}.sbpc-grid{display:grid;grid-template-columns:1fr;gap:30px}.sbpc-field label{display:block;margin-bottom:10px;font-size:1.15rem;font-weight:700}.sbpc-field input,.sbpc-field select{width:100%;min-height:64px;border:1px solid var(--border);border-radius:10px;background:#fff;color:var(--text);font:inherit;font-size:1.1rem;padding:12px 20px}.sbpc-input-wrap{position:relative}.sbpc-suffix{position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--muted)}.sbpc-results{margin-top:42px;padding-top:36px;border-top:1px solid var(--border)}.sbpc-total{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 30px;border-radius:14px;background:var(--panel);font-weight:800}.sbpc-total span{font-size:1.15rem}.sbpc-final-price{font-size:clamp(2rem,5vw,3.5rem);line-height:1}.sbpc-note{margin:14px 0 0;color:var(--muted);font-size:1rem}@media(max-width:640px){.sbpc-title{font-size:2rem}.sbpc-total{align-items:flex-start;flex-direction:column}}

/* v1.8: Hide number input spinner arrows while keeping numeric input behavior. */
.sbpc-weight::-webkit-outer-spin-button,
.sbpc-weight::-webkit-inner-spin-button {
	-webkit-appearance: none;
	margin: 0;
}

.sbpc-weight[type="number"] {
	-moz-appearance: textfield;
	appearance: textfield;
}