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3rem)}.overlay{display:block}}@media (width<=1024px) and (width>=769px){.stage{padding:1.5rem 1.25rem 1.5rem 0}}.tool{box-shadow:none;background:0 0;border-radius:0;padding:2rem}.tool__header{margin-bottom:2rem}.tool__title{color:var(--color-chart-navy);text-wrap:balance;overflow-wrap:break-word;margin:0 0 .5rem;font-size:2rem;font-weight:600;line-height:1.2}.tool__description{color:var(--color-quiet-ink);max-width:65ch;margin:0;font-size:1rem}.section-title{color:var(--color-chart-navy);text-wrap:balance;margin:1.5rem 0 1rem;font-size:1.25rem;font-weight:600;line-height:1.3}.input-group{flex-direction:column;gap:.5rem;display:flex}.input-label{color:var(--color-ink);font-size:.9rem;font-weight:500;line-height:1.4}.input-with-unit{justify-content:flex-start;align-items:center;display:inline-flex;position:relative}.input{border:2px solid var(--color-hairline);color:var(--color-ink);background:var(--color-white);border-radius:8px;padding:.75rem;font-family:inherit;font-size:1rem;transition:border-color .3s,box-shadow .3s}.input--with-unit{padding-right:3rem}.input--small{width:80px}.input--medium{width:150px}.input--large{width:200px}.input--full{width:100%}.input:hover:not(:focus){border-color:var(--color-flag-gold)}.input:focus{border-color:var(--color-safety-orange);outline:none;box-shadow:0 0 0 3px #f77f001a}.input::placeholder,textarea::placeholder{color:var(--color-quiet-ink);opacity:1}.unit{color:var(--color-quiet-ink);pointer-events:none;margin-inline-start:.75em;font-weight:500}.preview-box{background:var(--color-inset-paper);border:1px solid var(--color-hairline);border-radius:8px;margin:1em 0;padding:1.5rem}.preview-box__title{color:var(--color-chart-navy);margin:0 0 1em;font-size:1.25rem;font-weight:600;line-height:1.3}.code-preview{background:var(--color-code-slate);color:#e2e8f0;font-family:var(--font-mono);letter-spacing:.01em;border-radius:6px;margin-bottom:1rem;padding:1rem;font-size:.9rem;line-height:1.55;overflow-x:auto}.calculation-display{background:var(--color-chart-paper);border-radius:8px;padding:1rem}.calculation__formula{font-family:var(--font-mono);color:var(--color-chart-navy);font-size:1rem;font-weight:600}.copy-button{background:var(--color-safety-orange);color:var(--color-white);cursor:pointer;transition:background-color var(--ease-standard);border:none;border-radius:6px;padding:.5rem 1rem;font-family:inherit;font-size:.9rem;font-weight:600}.copy-button:hover{background:var(--color-signal-red)}.copy-button:focus-visible{outline-offset:2px}.inputs-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;display:grid}.results-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;display:grid}.result-card{text-align:center;border-radius:8px;padding:1.5rem}.result-card--primary{background:var(--color-chart-navy);color:var(--color-white)}.result-card--secondary{background:var(--color-signal-red);color:var(--color-white)}.result-card--accent{background:var(--color-safety-orange);color:var(--color-white)}.result-label{letter-spacing:.01em;margin-bottom:.5rem;font-size:.9rem;font-weight:500;line-height:1.45}.result-value{font-variant-numeric:tabular-nums;margin-bottom:.5rem;font-size:2rem;font-weight:700;line-height:1.2}.result-description{letter-spacing:.01em;font-size:.9rem;font-weight:500;line-height:1.45}@media (width<=768px){.tool{padding:1.5rem}.inputs-grid,.results-grid{grid-template-columns:1fr}.input--medium,.input--large{width:100%;max-width:200px}.code-preview{font-size:.9rem}}