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.15s}.preset-chip:hover{border-color:var(--calc-cyan)}.preset-chip.active{color:var(--calc-cyan-dark,#04222b);background:var(--calc-cyan);border-color:var(--calc-cyan)}.mode-chips{flex-wrap:wrap;gap:8px;display:flex}.mode-chip{text-align:center;min-width:90px;color:var(--calc-text-faded);background:var(--calc-surface-raised,#ffffff08);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);cursor:pointer;flex:auto;padding:9px 12px;font-size:.84rem;font-weight:600;transition:background .15s,color .15s,border-color .15s}.mode-chip:hover{border-color:var(--calc-cyan)}.mode-chip.active{color:var(--calc-cyan-dark,#04222b);background:var(--calc-cyan);border-color:var(--calc-cyan)}.chart-wrap{margin:18px 0 6px}.form-group.hidden{display:none}.interp-panel{background:var(--calc-accent-soft,#22d3ee0f);border:1px solid var(--calc-accent-border,#22d3ee38);border-left:3px solid var(--calc-cyan);border-radius:var(--calc-radius-md);margin-top:14px;padding:14px 16px}.interp-text{color:var(--calc-text-faded);margin:0;font-size:.9rem;line-height:1.65}.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:.92rem;font-weight:600;list-style:none;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}.faq-item[open] .faq-item__question:after{content:"−";color:var(--calc-cyan)}.faq-item__answer{color:var(--calc-text-dim);padding:0 4px 14px;font-size:.86rem;line-height:1.75}[data-theme=light] .page-subtitle{color:var(--calc-text-dim,#475569)}[data-theme=light] .field-hint,[data-theme=light] .preset-lead{color:var(--calc-text-dim,#64748b)}[data-theme=light] .form-label-static{color:var(--calc-text-faded,#334155)}[data-theme=light] 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.interp-panel{background:var(--calc-accent-soft,#eff9fb);border-color:var(--calc-accent-border,#0891b24d);border-left-color:var(--calc-cyan,#0891b2)}[data-theme=light] .interp-text{color:var(--calc-text-faded,#334155)}[data-theme=light] .faq-item__question{color:var(--calc-text-primary,#0f172a)}[data-theme=light] .faq-item__question:after{color:var(--calc-text-dim,#64748b)}[data-theme=light] .faq-item[open] .faq-item__question:after{color:var(--calc-cyan,#0891b2)}[data-theme=light] .faq-item__answer{color:var(--calc-text-dim,#475569)}@media print{.action-bar,.tab-bar,.preset-row,.glass-navbar,.calc-back-to-top,.nav-toggle{display:none}}@media (width<=600px){.input-with-unit{grid-template-columns:minmax(0,1fr);gap:6px;display:grid}.unit-select{width:100%;min-height:42px}.preset-chip,.mode-chip{min-height:42px}.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.f-pill{flex-direction:column;align-items:flex-start;gap:.15rem}}[data-theme=light] .stat-cell{background:var(--calc-bg-input,#f0f4f9)}[data-theme=light] .hero-value{color:var(--calc-cyan,#0891b2)}