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.4rem;font-size:.65rem;font-weight:700;display:inline-block}.rows-head{font-family:var(--calc-font-mono);text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-dim);grid-template-columns:1fr 24px 1fr 90px 34px;gap:.5rem;padding:0 .2rem .4rem;font-size:.68rem;display:grid}.period-row{border-bottom:1px solid var(--calc-border-subtle);padding:.6rem 0}.period-inputs{grid-template-columns:1fr 24px 1fr 90px 34px;align-items:center;gap:.5rem;display:grid}.period-inputs 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);width:100%;padding:.45rem .5rem;font-size:.92rem}.period-inputs input:focus{border-color:var(--calc-cyan);outline:none}.row-arrow{text-align:center;color:var(--calc-text-dim)}.row-del{border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-dim);cursor:pointer;background:0 0;padding:.4rem;font-size:.8rem;transition:all .15s}.row-del:hover{border-color:var(--calc-rose,#fb7185);color:var(--calc-rose,#fb7185)}.period-out{margin-top:.4rem;font-size:.82rem}.res-lbl{color:var(--calc-text-dim);font-family:var(--calc-font-mono);text-transform:uppercase;letter-spacing:.04em;font-size:.72rem}.res-val{color:var(--calc-cyan);font-family:var(--calc-font-mono);font-weight:700}.add-row-btn{background:var(--calc-bg-input);border:1px dashed var(--calc-border-strong);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);cursor:pointer;margin-top:.85rem;padding:.55rem 1rem;font-size:.85rem;font-weight:600;transition:all .15s}.add-row-btn:hover{border-color:var(--calc-cyan);color:var(--calc-cyan)}@media (width<=560px){.rows-head{display:none}.period-inputs{grid-template-columns:1fr 1fr 70px 34px}.row-arrow{display:none}}.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;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__answer{color:var(--calc-text-faded);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .viz-card,[data-theme=light] .interp-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .action-btn{color:#0f172a;background:#fff;border-color:#0000001f}[data-theme=light] .action-btn:hover{border-color:var(--calc-cyan);background:#f0f4f9}[data-theme=light] .fmt-btn,[data-theme=light] .preset-chip{color:#475569;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .fmt-btn.active{background:var(--calc-cyan);border-color:var(--calc-cyan);color:#fff}[data-theme=light] .form-group input[type=text],[data-theme=light] .form-group select,[data-theme=light] .period-inputs input{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .stat-cell{background:#edf2f9;border-color:#0000001a}[data-theme=light] .stat-value{color:#0f172a}[data-theme=light] .tl-track{fill:#edf2f9;stroke:#00000026}[data-theme=light] .tl-tick{stroke:#00000040}[data-theme=light] .badge,[data-theme=light] .fmt-btn.active{color:#fff}[data-theme=light] .add-row-btn{color:#475569;background:#f0f4f9;border-color:#0003}[data-theme=light] .check{color:#0f172a}