.number-input{display:flex;align-items:center;border:1px solid #b9c4d1;border-radius:10px;background:#fff;overflow:hidden}.number-input:focus-within{outline:3px solid rgba(21,94,239,.25);outline-offset:2px;border-color:var(--brand)}.number-input span{padding-left:13px;color:var(--muted);font-weight:750}.number-input span:last-child{padding:0 13px 0 0}.number-input input{border:0;border-radius:0;outline:0!important}.field-error{min-height:1.45em;margin:0;color:#b42318;font-size:.88rem;font-weight:650}.field.has-error .number-input{border-color:#b42318}.mode-switcher{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:22px;padding:5px;border:1px solid var(--line);border-radius:12px;background:var(--soft)}.mode-button{min-height:46px;padding:9px 12px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;font-weight:750}.mode-button[aria-pressed=true]{background:#fff;color:var(--ink);box-shadow:0 1px 5px #15233b1f}.calculator-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}.result-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.metric{padding:18px;border:1px solid var(--line);border-radius:11px;background:#fafbfd}.metric--primary{grid-column:1/-1;background:#eaf1ff;border-color:#b9ccf8}.metric__label{display:block;color:var(--muted);font-size:.82rem;font-weight:750}.metric__value{display:block;margin-top:3px;font-size:clamp(1.45rem,4vw,2rem);font-weight:850;letter-spacing:-.03em}.result-note{margin:16px 0 0;color:var(--muted);font-size:.9rem}.formula-box{padding:18px 20px;border-left:4px solid var(--brand);background:var(--soft);border-radius:0 10px 10px 0}.formula-box p{margin:0}.comparison-table{width:100%;border-collapse:collapse;margin-top:20px}.comparison-table th,.comparison-table td{text-align:left;padding:13px;border-bottom:1px solid var(--line)}.comparison-table th{color:var(--muted);font-size:.85rem}@media(max-width:560px){.mode-switcher,.calculator-fields,.result-metrics{grid-template-columns:1fr}.metric--primary{grid-column:auto}}