.main-container{max-width:960px;margin:0 auto;padding:1.5rem 1.5rem 3rem}.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}.form-row{align-items:flex-end;gap:.75rem;margin-bottom:.4rem;display:flex}.form-group--grow{flex:auto}.form-group--unit{flex:0 0 90px}.form-group--inline{margin-bottom:1rem}.form-row+.input-hint{margin:-.1rem 0 1rem;display:block}.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-body);padding:.65rem .5rem;font-size:.95rem}.form-group select:focus{border-color:var(--calc-cyan);outline:none}.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}.result-interpretation{color:var(--calc-text-faded);border-top:1px solid var(--calc-border-subtle,#ffffff14);margin:.75rem 0 0;padding-top:.75rem;font-size:.9rem;line-height:1.55}.tabs-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 1.5rem}.tab-nav{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.stat-cell{margin-bottom:.75rem}.stat-lbl{text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin-bottom:.2rem;font-size:.8rem}.stat-val{font-family:var(--calc-font-mono);color:var(--calc-cyan);font-size:clamp(1.5rem,4vw,2rem)}.tab-formula code{background:var(--calc-bg-input);border:1px solid var(--calc-border-subtle,#ffffff14);border-radius:var(--calc-radius-xs);font-family:var(--calc-font-mono);color:var(--calc-text-primary);padding:.15rem .4rem;font-size:.85rem}.tab-formula{color:var(--calc-text-faded);margin:.5rem 0;font-size:.9rem}.tab-copy{color:var(--calc-text-faded);margin:.5rem 0 0;font-size:.92rem;line-height:1.6}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .tabs-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .form-group input,[data-theme=light] .form-group select{background:#f0f4f9;border-color:#00000026}[data-theme=light] .result-interpretation{border-top-color:#0000001a}[data-theme=light] .tab-formula code{background:#f0f4f9;border-color:#0000001f}