.main-container{max-width:1100px;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 1.5rem;line-height:1.5}.action-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;display:flex}.preset-row{flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:1.25rem;display:flex}.preset-label{color:var(--calc-text-dim);font-size:.85rem;font-family:var(--calc-font-mono)}.preset-chip{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);color:var(--calc-text-faded);cursor:pointer;border-radius:999px;padding:.4rem .85rem;font-size:.85rem;transition:border-color .15s,color .15s,background .15s}.preset-chip:hover{border-color:var(--calc-cyan);color:var(--calc-text-primary)}.calc-tabs{border-bottom:1px solid var(--calc-border-default);flex-wrap:wrap;gap:.4rem;margin-bottom:1.25rem;display:flex}.tab-btn{color:var(--calc-text-faded);font-family:var(--calc-font-headline);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:.6rem .9rem;font-size:.92rem;font-weight:600;transition:color .15s,border-color .15s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn.active{color:var(--calc-cyan);border-bottom-color:var(--calc-cyan)}.tab-content{display:none}.tab-content.active{display:block}.calc-grid{grid-template-columns:1.1fr .9fr;align-items:start;gap:1.25rem;display:grid}.result-col{flex-direction:column;gap:1.25rem;display:flex}.input-card,.result-card,.stat-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);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:.85rem}.card-title--mt{margin-top:1.5rem}.form-row{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.form-group{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.form-group label{color:var(--calc-text-faded);font-size:.85rem}.unit-tag{color:var(--calc-text-dim);font-family:var(--calc-font-mono);font-size:.8rem}.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:.6rem .8rem;font-size:1.02rem;transition:border-color .15s}.form-group input:focus,.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(1.9rem,5vw,2.8rem);line-height:1.1}.result-detail{color:var(--calc-text-faded);font-size:.92rem;line-height:1.5}.stat-grid{grid-template-columns:1fr 1fr;gap:.75rem;display:grid}.stat{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);flex-direction:column;gap:.25rem;padding:.7rem .85rem;display:flex}.stat--wide{grid-column:1/-1}.stat-label{text-transform:uppercase;letter-spacing:.04em;color:var(--calc-text-dim);font-size:.72rem}.stat-value{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.1rem}.stat-value.is-positive{color:var(--calc-emerald)}.stat-value.is-negative{color:var(--calc-rose)}.tab-intro{color:var(--calc-text-faded);margin:0 0 1.25rem;font-size:.92rem;line-height:1.6}.be-grid{grid-template-columns:1fr 1fr;gap:.9rem;display:grid}.be-box{background:var(--calc-bg-input);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);flex-direction:column;gap:.3rem;padding:1rem 1.1rem;display:flex}.be-box-label{text-transform:uppercase;letter-spacing:.04em;color:var(--calc-text-dim);font-size:.75rem}.be-box-value{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.5rem}.be-box-sub{color:var(--calc-text-faded);font-size:.8rem}.be-box-sub.is-positive{color:var(--calc-emerald)}.be-box-sub.is-negative{color:var(--calc-rose)}.be-interpret{background:var(--calc-bg-glass);border:1px solid var(--calc-border-default);border-left:3px solid var(--calc-cyan);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);margin-top:1.25rem;padding:1rem 1.1rem;font-size:.92rem;line-height:1.6}.chart-wrap{height:240px;margin:.5rem 0 .75rem;position:relative}.chart-wrap canvas{width:100%;height:100%}.chart-note{color:var(--calc-text-dim);margin:0;font-size:.82rem;line-height:1.5}@media (width<=880px){.calc-grid{grid-template-columns:1fr}}@media (width<=520px){.form-row,.be-grid,.stat-grid{grid-template-columns:1fr}}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .stat-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] .preset-chip{color:#334155;background:#f0f4f9;border-color:#00000026}[data-theme=light] .preset-chip:hover{border-color:var(--calc-cyan);color:#0f172a}[data-theme=light] .stat,[data-theme=light] .be-box{background:#edf2f9;border-color:#0000001a}[data-theme=light] .be-interpret{border-color:#0000001a;border-left-color:var(--calc-cyan);background:#eff9fb}[data-theme=light] .calc-tabs{border-bottom-color:#0000001f}