.main-container{max-width:1400px;margin:0 auto;padding:40px 20px}.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);max-width:70ch;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;max-width:320px;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);padding:.65rem .85rem;font-size:1.05rem;transition:border-color .15s}.form-group input:focus{border-color:var(--calc-cyan);outline:none}.input-hint{color:var(--calc-text-dim);font-size:.8rem}[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);flex-wrap:wrap;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;gap:.5rem;margin-bottom:1.25rem;display:flex}.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}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);margin-bottom:.3rem;font-size:clamp(2rem,6vw,3rem);line-height:1.1}.result-detail{color:var(--calc-text-faded);line-height:1.6}[data-theme=light] .result-value{color:#0891b2}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem;margin:0 0 1.1rem;display:grid}.stat-grid[hidden]{display:none}.stat-cell{background:var(--calc-bg-input);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);flex-direction:column;gap:.25rem;padding:.7rem .85rem;display:flex}.stat-label{text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-dim);font-size:.72rem;font-family:var(--calc-font-headline)}.stat-value{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.1rem}[data-theme=light] .stat-cell{background:#edf2f9;border-color:#0000001a}[data-theme=light] .stat-value{color:#0f172a}.interpretation{border-radius:var(--calc-radius-md);background:var(--calc-bg-input);border:1px solid var(--calc-border-subtle);color:var(--calc-text-faded);margin:1.1rem 0 0;padding:.85rem 1rem;font-size:.88rem;line-height:1.6}[data-theme=light] .interpretation{color:#475569;background:#f0f4f9;border-color:#0000001a}.chart-wrap{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}[data-theme=light] .chart-wrap{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}.sequence-list{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);color:var(--calc-text-faded);font-family:var(--calc-font-mono);word-break:break-word;max-height:320px;padding:1.1rem 1.25rem;font-size:.85rem;line-height:1.7;overflow-y:auto}[data-theme=light] .sequence-list{color:#475569;background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}.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}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}.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<=600px){.stat-grid{grid-template-columns:1fr}.tab-btn{flex:1;padding:.7rem .4rem;font-size:.8rem}.form-group{max-width:100%}}