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#fff);color:var(--text, #0d2137);outline:none;box-sizing:border-box}.date-row[data-astro-cid-z53zhtzy] input[data-astro-cid-z53zhtzy][type=date]:focus{border-color:var(--accent, #0d2137)}.time-inputs[data-astro-cid-z53zhtzy]{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.hm-group[data-astro-cid-z53zhtzy]{display:flex;align-items:center;gap:4px}.hm-group[data-astro-cid-z53zhtzy] input[data-astro-cid-z53zhtzy]{width:58px;padding:9px 8px;border:1.5px solid var(--border-color, #dce1ee);border-radius:8px;font-size:1.15rem;font-family:Courier New,monospace;font-weight:700;text-align:center;background:var(--card-bg, #fff);color:var(--text, #0d2137);outline:none;-moz-appearance:textfield}.hm-group[data-astro-cid-z53zhtzy] input[data-astro-cid-z53zhtzy]::-webkit-outer-spin-button,.hm-group[data-astro-cid-z53zhtzy] input[data-astro-cid-z53zhtzy]::-webkit-inner-spin-button{-webkit-appearance:none}.hm-group[data-astro-cid-z53zhtzy] 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24px;margin-top:16px;display:flex;flex-direction:column;gap:14px}.bv-row[data-astro-cid-z53zhtzy]{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.bv-unit[data-astro-cid-z53zhtzy]{background:var(--accent, #0d2137);color:#fff;padding:7px 16px;border-radius:8px;font-weight:700;font-size:.9rem;min-width:80px;text-align:center}.bv-eq[data-astro-cid-z53zhtzy]{font-size:1.2rem;font-weight:700;color:var(--text-muted, #9ca3af)}.bv-parts[data-astro-cid-z53zhtzy]{display:flex;gap:8px;flex-wrap:wrap}.bv-parts[data-astro-cid-z53zhtzy] span[data-astro-cid-z53zhtzy]{background:var(--card-bg, #fff);border:1px solid var(--border-color, #dce1ee);padding:6px 14px;border-radius:8px;font-family:Courier New,monospace;font-size:.88rem;font-weight:700;color:var(--text, #0d2137)}.method-steps[data-astro-cid-z53zhtzy]{display:flex;flex-direction:column;gap:14px;margin-top:16px}.mstep[data-astro-cid-z53zhtzy]{display:flex;gap:16px;align-items:flex-start;background:var(--card-bg, #fff);border:1px solid var(--border-color, #e4e8f0);border-radius:12px;padding:16px 18px}.mstep-num[data-astro-cid-z53zhtzy]{width:32px;height:32px;background:linear-gradient(135deg,#0d2137,#1b3a5c);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;flex-shrink:0}.mstep-body[data-astro-cid-z53zhtzy] strong[data-astro-cid-z53zhtzy]{display:block;font-size:.95rem;color:var(--text, #0d2137);margin-bottom:4px}.mstep-body[data-astro-cid-z53zhtzy] p[data-astro-cid-z53zhtzy]{font-size:.88rem;color:var(--text-muted, #6b7280);margin:0;line-height:1.6}.examples-grid[data-astro-cid-z53zhtzy]{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:16px}.ex-card[data-astro-cid-z53zhtzy]{background:var(--card-bg, #fff);border:1px solid var(--border-color, #e4e8f0);border-radius:12px;overflow:hidden}.ex-title[data-astro-cid-z53zhtzy]{background:var(--accent, #0d2137);color:#fff;padding:12px 16px;font-size:.88rem;font-weight:700;line-height:1.4}.ex-body[data-astro-cid-z53zhtzy]{padding:14px 16px;display:flex;flex-direction:column;gap:8px}.ex-step[data-astro-cid-z53zhtzy]{font-family:Courier New,monospace;font-size:.83rem;color:var(--text-body, #374151);line-height:1.5;padding:6px 10px;background:var(--bg-subtle, #f8f9fd);border-radius:6px}.ex-step[data-astro-cid-z53zhtzy] strong[data-astro-cid-z53zhtzy]{color:var(--text, #0d2137)}.uses-grid[data-astro-cid-z53zhtzy]{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px;margin-top:16px}.use-item[data-astro-cid-z53zhtzy]{display:flex;gap:12px;background:var(--bg-subtle, #f8f9fd);border:1px solid var(--border-color, #e4e8f0);border-radius:12px;padding:14px 16px;align-items:flex-start}.use-icon[data-astro-cid-z53zhtzy]{font-size:1.3rem;flex-shrink:0;margin-top:2px}.use-item[data-astro-cid-z53zhtzy] div[data-astro-cid-z53zhtzy]{font-size:.88rem;color:var(--text-body, #374151);line-height:1.6}.use-item[data-astro-cid-z53zhtzy] strong[data-astro-cid-z53zhtzy]{color:var(--text, #0d2137)}.faq-list[data-astro-cid-z53zhtzy]{display:flex;flex-direction:column;gap:10px;margin-top:16px}.faq-item[data-astro-cid-z53zhtzy]{background:var(--card-bg, #fff);border:1px solid var(--border-color, #e4e8f0);border-radius:12px;overflow:hidden;transition:box-shadow .2s}.faq-item[data-astro-cid-z53zhtzy]:hover{box-shadow:0 2px 12px #0d213712}.faq-item[data-astro-cid-z53zhtzy] summary[data-astro-cid-z53zhtzy]{padding:16px 20px;font-weight:700;font-size:.95rem;color:var(--text, #0d2137);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;user-select:none}.faq-item[data-astro-cid-z53zhtzy] summary[data-astro-cid-z53zhtzy]::-webkit-details-marker{display:none}.faq-item[data-astro-cid-z53zhtzy] summary[data-astro-cid-z53zhtzy]:after{content:"+";font-size:1.2rem;color:var(--accent, #0d2137);font-weight:800;flex-shrink:0;margin-left:12px}.faq-item[data-astro-cid-z53zhtzy][open] summary[data-astro-cid-z53zhtzy]:after{content:"−"}.faq-item[data-astro-cid-z53zhtzy] p[data-astro-cid-z53zhtzy]{padding:12px 20px 16px;font-size:.9rem;color:var(--text-body, #374151);line-height:1.72;margin:0;border-top:1px solid var(--border-color, #e4e8f0)}.hidden[data-astro-cid-z53zhtzy]{display:none!important}@media(max-width:600px){.hero[data-astro-cid-z53zhtzy]{padding:34px 22px}.calc-card[data-astro-cid-z53zhtzy]{padding:20px 16px}.inputs-wrap[data-astro-cid-z53zhtzy]{grid-template-columns:1fr}.arrow-col[data-astro-cid-z53zhtzy]{flex-direction:row;padding-top:0;justify-content:center}.arrow-line[data-astro-cid-z53zhtzy]{width:32px;height:1px}.arrow-icon[data-astro-cid-z53zhtzy]{transform:rotate(90deg)}.mode-tabs[data-astro-cid-z53zhtzy]{width:100%}.tab-btn[data-astro-cid-z53zhtzy]{flex:1}.action-row[data-astro-cid-z53zhtzy]{flex-direction:column}.share-btns[data-astro-cid-z53zhtzy]{width:100%}.share-btn[data-astro-cid-z53zhtzy]{flex:1;text-align:center}.result-cards[data-astro-cid-z53zhtzy]{gap:8px}.examples-grid[data-astro-cid-z53zhtzy],.uses-grid[data-astro-cid-z53zhtzy]{grid-template-columns:1fr}.bv-row[data-astro-cid-z53zhtzy]{flex-direction:column;align-items:flex-start;gap:8px}}