.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);word-break:break-word;margin-bottom:.3rem;font-size:clamp(1.1rem,3vw,1.6rem);line-height:1.4}.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-strip{border-bottom:1px solid var(--calc-border-default);gap:.25rem;margin-bottom:1.25rem;display:flex}.tab-btn{appearance:none;color:var(--calc-text-faded);cursor:pointer;font-family:var(--calc-font-headline);background:0 0;border:none;border-bottom:2px solid #0000;padding:.7rem 1rem;font-size:.95rem;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)}[data-theme=light] .tab-btn.active{color:#0891b2;border-bottom-color:#0891b2}.preset-row{flex-wrap:wrap;align-items:center;gap:.5rem;margin-top:1rem;display:flex}.preset-label{color:var(--calc-text-dim);font-size:.82rem}.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:.82rem;transition:border-color .15s,color .15s,background .15s}.preset-chip:hover{border-color:var(--calc-cyan);color:var(--calc-cyan)}[data-theme=light] .preset-chip{color:#334155;background:#eef2f9;border-color:#00000024}[data-theme=light] .preset-chip:hover{color:#0891b2;border-color:#0891b2}.stat-result-cards{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.25rem;display:grid}.stat-result-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);padding:1rem 1.25rem}.stat-result-label{color:var(--calc-text-faded);font-family:var(--calc-font-headline);letter-spacing:.04em;text-transform:uppercase;margin-bottom:.4rem;font-size:.78rem}.stat-result-value{color:var(--calc-text-primary);font-family:var(--calc-font-mono);font-size:1.6rem;font-weight:600}.stat-result-sub{color:var(--calc-text-faded);margin-top:.4rem;font-size:.85rem;line-height:1.5}.interpretation{color:var(--calc-text-faded);margin:0 0 1.25rem;line-height:1.6}[data-theme=light] .stat-result-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .stat-result-value{color:#0f172a}.steps-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}.steps-help{color:var(--calc-text-faded);margin:0 0 1rem;font-size:.9rem;line-height:1.6}[data-theme=light] .steps-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}.table-scroll{overflow-x:auto}.pairs-table{border-collapse:collapse;width:100%;font-size:.95rem}.pairs-table th,.pairs-table td{border-bottom:1px solid var(--calc-border-subtle);text-align:left;padding:.6rem .75rem}.pairs-table th{color:var(--calc-text-faded);font-family:var(--calc-font-headline);letter-spacing:.04em;text-transform:uppercase;font-size:.78rem}.pairs-table td{color:var(--calc-text-primary);font-family:var(--calc-font-mono)}.pairs-table .pair-op,.pairs-table .pair-eq{color:var(--calc-text-dim)}.pairs-empty{color:var(--calc-text-dim);font-style:italic}[data-theme=light] .pairs-table th,[data-theme=light] .pairs-table td{border-bottom-color:#0000001a}[data-theme=light] .pairs-table td{color:#0f172a}.type-card{margin-bottom:1.25rem}.type-badge{font-family:var(--calc-font-headline);color:var(--calc-tier-neutral);margin:.2rem 0 .5rem;font-size:1.6rem;font-weight:700;display:inline-block}.type-badge--prime,.type-badge--perfect{color:var(--calc-tier-good)}.type-badge--abundant{color:var(--calc-tier-warn)}.type-badge--deficient{color:var(--calc-tier-fair)}.proper-sum-value{color:var(--calc-text-primary);font-family:var(--calc-font-mono);font-size:1.4rem;font-weight:600}[data-theme=light] .type-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .proper-sum-value{color:#0f172a}.action-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.action-btn{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);cursor:pointer;padding:.5rem .9rem;font-size:.85rem;transition:border-color .15s,color .15s}.action-btn:hover{border-color:var(--calc-cyan);color:var(--calc-cyan)}[data-theme=light] .action-btn{color:#334155;background:#eef2f9;border-color:#00000024}[data-theme=light] .action-btn:hover{color:#0891b2;border-color:#0891b2}.faq-item__question{cursor:pointer;color:var(--calc-text-primary);user-select:none;justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"+";font-family:var(--calc-font-mono);color:var(--calc-text-dim);flex-shrink:0;margin-left:16px;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--calc-cyan)}.faq-item__question:hover{color:var(--calc-cyan)}.faq-item__answer{color:var(--calc-text-faded);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[data-theme=light] .faq-item__question{color:#0f172a}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after,[data-theme=light] .faq-item__question:hover{color:#0891b2}[data-theme=light] .faq-item__answer{color:#475569}@media (width<=480px){.tab-btn{flex:1;padding:.7rem .5rem;font-size:.88rem}.stat-result-cards{grid-template-columns:1fr}}