.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}.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:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .form-group input{background:#f0f4f9;border-color:#00000026}.tab-bar{border-bottom:1px solid var(--calc-border-subtle);gap:.25rem;margin-bottom:1.25rem;display:flex}.tab-btn{color:var(--calc-text-faded);cursor:pointer;font-family:var(--calc-font-headline);white-space:nowrap;background:0 0;border:none;border-bottom:3px solid #0000;padding:.65rem 1.1rem;font-size:.85rem;font-weight:600;transition:color .15s,border-color .15s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn.active{border-bottom-color:var(--calc-cyan);color:var(--calc-cyan)}.tab-content{display:none}.tab-content.active{display:block}.result-hero{text-align:center;border-bottom:1px solid var(--calc-border-subtle);margin-bottom:1rem;padding-bottom:1rem}.result-label{color:var(--calc-text-faded);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.4rem;font-size:.75rem;font-weight:700;display:block}.stats-grid{grid-template-columns:repeat(4,1fr);gap:.75rem;margin:1rem 0;display:grid}.stat-cell{background:var(--calc-bg-nested,#00000008);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);text-align:center;padding:.65rem .75rem}.stat-label{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.04em;margin-bottom:.3rem;font-size:.68rem;font-weight:600;display:block}.stat-value{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1rem;font-weight:700;display:block}[data-theme=light] .stat-cell{background:#edf2f9;border-color:#0000001f}.scenario-compare{background:var(--calc-cyan-dim,#22d3ee14);border:1px solid var(--calc-border-cyan,#22d3ee4d);border-radius:var(--calc-radius-md);justify-content:space-between;align-items:center;margin-bottom:1rem;padding:.65rem .9rem;display:flex}.scenario-label{color:var(--calc-text-faded);font-size:.82rem}.scenario-value{color:var(--calc-cyan);font-family:var(--calc-font-mono);font-size:.95rem;font-weight:700}[data-theme=light] .scenario-compare{background:#eff9fb;border-color:#0891b24d}.formula-strip{flex-wrap:wrap;gap:.4rem;margin-bottom:1rem;display:flex}.formula-pill{background:var(--calc-cyan-dim,#22d3ee14);border:1px solid var(--calc-border-cyan,#22d3ee4d);border-radius:var(--calc-radius-md);color:var(--calc-cyan);font-family:var(--calc-font-mono);padding:.3rem .7rem;font-size:.72rem}[data-theme=light] .formula-pill{color:#0891b2;background:#eff9fb}.action-bar{flex-wrap:wrap;gap:.5rem;display:flex}.action-btn{background:var(--calc-bg-nested,#00000008);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);cursor:pointer;min-height:40px;padding:.45rem .9rem;font-size:.78rem;font-weight:600;transition:background .15s,color .15s,border-color .15s}.action-btn:hover{color:var(--calc-text-primary)}.action-btn--reset:hover{color:var(--calc-rose,#fb7185);background:#e11d481a}[data-theme=light] .action-btn{background:#f0f4f9;border-color:#00000026}.table-wrap{overflow-x:auto}.legs-table{border-collapse:collapse;width:100%;font-size:.88rem}.legs-table th,.legs-table td{text-align:left;border-bottom:1px solid var(--calc-border-subtle);padding:.6rem .85rem}.legs-table th{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.04em;font-size:.72rem;font-weight:700}.legs-table td{color:var(--calc-text-primary);font-family:var(--calc-font-mono)}.legs-total-row td{border-top:2px solid var(--calc-border-strong);border-bottom:none;font-weight:700}.legs-intro{color:var(--calc-text-faded);margin:0 0 1rem;font-size:.88rem}.leg-list{flex-direction:column;gap:.6rem;margin-bottom:1rem;display:flex}.leg-row{grid-template-columns:3.5rem 1fr 1fr auto;align-items:center;gap:.5rem;display:grid}.leg-num{color:var(--calc-text-dim);font-size:.78rem;font-weight:600}.leg-cell{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);box-sizing:border-box;width:100%;padding:.5rem .65rem;font-size:.9rem}.leg-cell:focus{border-color:var(--calc-cyan);outline:none}.leg-del{border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);color:var(--calc-text-dim);cursor:pointer;background:0 0;width:36px;height:36px;font-size:.85rem;transition:color .15s,border-color .15s}.leg-del:hover:not(:disabled){border-color:var(--calc-rose,#fb7185);color:var(--calc-rose,#fb7185)}.leg-del:disabled{cursor:not-allowed;opacity:.35}[data-theme=light] .leg-cell{background:#f0f4f9;border-color:#00000026}#btn-add-leg:disabled{cursor:not-allowed;opacity:.5}@media (width<=768px){.stats-grid{grid-template-columns:repeat(2,1fr)}.tab-bar{overflow-x:auto}.tab-btn{padding:.55rem .75rem;font-size:.78rem}.leg-row{grid-template-columns:2.5rem 1fr 1fr auto}}@media (width<=480px){.stats-grid{grid-template-columns:1fr 1fr}.action-bar{grid-template-columns:repeat(2,minmax(0,1fr));display:grid}.action-btn{min-height:44px}.leg-row{grid-template-columns:1fr}.leg-num{display:none}}