.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:0 0 .5rem;font-size:clamp(1.6rem,4vw,2.4rem)}.page-subtitle{color:var(--calc-text-faded);margin:0 0 2rem;line-height:1.5}.input-card,.result-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);margin-bottom:1.25rem;padding:1.25rem 1.5rem}.card-title{font-family:var(--calc-font-headline);text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin:0 0 1rem;font-size:1rem}.form-group{flex-direction:column;gap:.4rem;display:flex}.form-group label{color:var(--calc-text-faded);font-size:.9rem}.form-group input{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);transition:var(--calc-transition-default,border-color .15s);padding:.65rem .85rem;font-size:1.05rem}.form-group input:focus{border-color:var(--calc-cyan);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);margin-bottom:.3rem;font-size:clamp(1.8rem,5vw,2.6rem)}.result-detail{color:var(--calc-text-faded);line-height:1.5}[data-theme=light] .input-card,[data-theme=light] .result-card{background:var(--calc-bg-card);border-color:var(--calc-border-default);box-shadow:var(--calc-shadow-sm,0 1px 4px #0000000f)}[data-theme=light] .form-group input{background:var(--calc-bg-input);border-color:var(--calc-border-strong)}.shape-extra{background:var(--calc-bg-subtle,transparent);border-radius:var(--calc-radius-md);padding:.35rem}@media (width<=768px){.panel-grid{grid-template-columns:1fr}.tab-bar{grid-template-columns:1fr;gap:.5rem}.action-bar{z-index:10;padding:.75rem;position:sticky;bottom:0}.action-bar .action-btn{min-height:44px}.input-card,.result-card{padding:1rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms;animation-duration:.01ms}}