.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}.tab-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem;display:flex}.tab-btn{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);font-family:var(--calc-font-headline);cursor:pointer;padding:.6rem 1rem;font-size:.9rem;transition:border-color .15s,color .15s,background .15s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn.active{background:var(--calc-cyan);border-color:var(--calc-cyan);color:#04141a}.tab-panel{display:none}.tab-panel.active{display:block}.calc-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:1.5rem;display:grid}@media (width<=1024px){.calc-grid{grid-template-columns:1fr}}.input-card,.result-card,.viz-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;margin-bottom:1rem;display:flex}.form-group:last-child{margin-bottom:0}.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}.curve-note{color:var(--calc-text-dim);margin:.75rem 0 0;font-size:.82rem;line-height:1.55}.preset-block{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.preset-label{color:var(--calc-text-faded);font-size:.9rem}.preset-sub{color:var(--calc-text-dim);font-size:.8rem}.preset-chips{flex-wrap:wrap;gap:.5rem;display:flex}.preset-chip{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);cursor:pointer;padding:.4rem .75rem;font-size:.85rem;transition:border-color .15s,color .15s}.preset-chip:hover{color:var(--calc-text-primary)}.preset-chip.active{border-color:var(--calc-cyan);color:var(--calc-cyan)}.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}.interpretation{color:var(--calc-text-faded);margin:.9rem 0 0;font-size:.86rem;line-height:1.6}.stat-grid{grid-template-columns:repeat(2,1fr);gap:.75rem;margin:1rem 0 0;display:grid}.stat-cell{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);flex-direction:column;gap:.25rem;padding:.65rem .75rem;display:flex}.stat-label{text-transform:uppercase;letter-spacing:.04em;color:var(--calc-text-dim);font-size:.75rem}.stat-value{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.05rem}.compare-scroll{overflow-x:auto}.compare-table{border-collapse:collapse;width:100%;font-size:.85rem}.compare-table th,.compare-table td{text-align:center;border-bottom:1px solid var(--calc-border-default);color:var(--calc-text-faded);padding:.5rem .6rem}.compare-table th{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.04em;font-size:.72rem;font-weight:600}.viz-cap{color:var(--calc-text-dim);margin:.75rem 0 0;font-size:.78rem;line-height:1.5}[data-theme=light] .tab-btn{color:#475569;background:#f0f4f9;border-color:#00000026}[data-theme=light] .tab-btn.active{background:var(--calc-cyan);border-color:var(--calc-cyan);color:#04141a}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .viz-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .form-group input{background:#f0f4f9;border-color:#00000026}[data-theme=light] .preset-chip{color:#475569;background:#f0f4f9;border-color:#00000026}[data-theme=light] .preset-chip.active{border-color:var(--calc-cyan);color:#0891b2}[data-theme=light] .stat-cell{background:#f0f4f9;border-color:#0000001f}[data-theme=light] .compare-table th,[data-theme=light] .compare-table td{border-bottom-color:#0000001a}