.main-container{max-width:1000px;margin:0 auto;padding:40px 20px}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:0 0 .5rem;font-size:clamp(1.7rem,4vw,2.5rem)}.page-subtitle{color:var(--calc-text-faded);max-width:70ch;margin:0 0 1.5rem;line-height:1.55}.card-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);font-size:1rem}.ntw-input-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);flex-direction:column;gap:1rem;margin-top:.25rem;padding:1.25rem 1.5rem;display:flex}.form-group{flex-direction:column;gap:.4rem;display:flex}.form-group[hidden]{display:none}.form-group label{color:var(--calc-text-faded);font-size:.9rem}.form-group input,.form-group select{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);font-family:var(--calc-font-mono);padding:.65rem .85rem;font-size:1.1rem;transition:border-color .15s}.form-group input:focus,.form-group select:focus{border-color:var(--calc-cyan);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.result-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);margin-top:1.25rem;padding:1.25rem 1.5rem}.result-value{font-family:var(--calc-font-headline);color:var(--calc-cyan);overflow-wrap:anywhere;text-transform:capitalize;min-height:1.5em;font-size:clamp(1.3rem,3.2vw,1.9rem);line-height:1.5}.result-detail{color:var(--calc-text-faded);margin-top:.4rem;line-height:1.5}.ntw-numeric{font-family:var(--calc-font-mono);color:var(--calc-text-dim);margin-top:.6rem;font-size:.85rem}.ntw-interpretation{color:var(--calc-text-faded);margin:.75rem 0 0;font-size:.9rem;line-height:1.5}.tool-privacy-note{margin-top:1.5rem}[data-theme=light] .result-card,[data-theme=light] .ntw-input-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .result-value{color:#0891b2}[data-theme=light] .form-group input,[data-theme=light] .form-group select{background:#f0f4f9;border-color:#00000026}[data-theme=light] .ntw-interpretation,[data-theme=light] .ntw-numeric{color:#64748b}@media (width<=640px){.main-container{padding:24px 16px}}