*{box-sizing:border-box}body{margin:0;font-family:var(--font-body,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif);font-size:1rem;line-height:1.6;color:var(--color-text,#1a1a2e);background:var(--color-bg,#ffffff)}.calculator{max-width:800px;margin:0 auto;padding:1.5rem}.calc-header{margin-bottom:1.5rem}.calc-title{font-size:1.5rem;font-weight:600;margin:0 0 .5rem;color:var(--color-text,#1a1a2e)}.calc-description{margin:0;color:var(--color-text-muted,#6b7280)}.calc-inputs{margin-bottom:1.5rem}.input-group{margin-bottom:1rem}.input-group label{display:block;margin-bottom:.375rem;font-weight:500;font-size:.875rem}.calc-input{width:100%;padding:.625rem .875rem;font-family:var(--font-mono,'SF Mono','Fira Code',monospace);font-size:.9375rem;border:1px solid var(--color-border,#e5e7eb);border-radius:6px;background:var(--color-bg,#ffffff);color:var(--color-text,#1a1a2e);transition:border-color 0.15s,box-shadow 0.15s}.calc-input:focus{outline:none;border-color:var(--color-primary,#2563eb);box-shadow:0 0 0 3px rgb(37 99 235 / .1)}.calc-input::placeholder{color:var(--color-text-muted,#9ca3af)}.input-row{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.input-row-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}@media (max-width:480px){.input-row,.input-row-3{grid-template-columns:1fr}}.calc-button{display:inline-flex;align-items:center;justify-content:center;padding:.625rem 1.25rem;font-size:.9375rem;font-weight:500;background:var(--color-primary,#2563eb);color:#fff;border:none;border-radius:6px;cursor:pointer;transition:background 0.15s,transform 0.1s}.calc-button:hover{background:var(--color-primary-hover,#1d4ed8)}.calc-button:active{transform:scale(.98)}.calc-button:disabled{opacity:.6;cursor:not-allowed}.calc-button-secondary{background:var(--color-bg-alt,#f3f4f6);color:var(--color-text,#1a1a2e)}.calc-button-secondary:hover{background:var(--color-border,#e5e7eb)}.calc-results{margin-top:1.5rem}.calc-results h2{font-size:1.125rem;font-weight:600;margin:1.5rem 0 .75rem}.calc-results h2:first-child{margin-top:0}.calc-result{padding:1rem;background:var(--color-bg-alt,#f8f9fa);border-radius:8px;overflow-x:auto}.calc-result-math{font-size:1.125rem;text-align:center;padding:1.25rem}.calc-table{width:100%;border-collapse:collapse;font-size:.875rem}.calc-table th,.calc-table td{padding:.5rem .75rem;text-align:left;border-bottom:1px solid var(--color-border,#e5e7eb)}.calc-table th{font-weight:600;background:var(--color-bg-alt,#f8f9fa)}.calc-table td{font-family:var(--font-mono,monospace)}.calc-error{padding:.875rem 1rem;background:#fef2f2;border:1px solid #fecaca;border-radius:6px;color:#dc2626;font-size:.875rem;margin-top:1rem}.calc-select{width:100%;padding:.625rem .875rem;font-size:.9375rem;border:1px solid var(--color-border,#e5e7eb);border-radius:6px;background:var(--color-bg,#ffffff);color:var(--color-text,#1a1a2e);cursor:pointer}.calc-select:focus{outline:none;border-color:var(--color-primary,#2563eb);box-shadow:0 0 0 3px rgb(37 99 235 / .1)}.calc-slider{width:100%;margin:.5rem 0}.slider-value{display:inline-block;min-width:3rem;text-align:center;font-family:var(--font-mono,monospace);font-size:.875rem;color:var(--color-text-muted,#6b7280)}.calc-steps{padding:1rem;background:var(--color-bg-alt,#f8f9fa);border-radius:8px}.calc-step{padding:.75rem 0;border-bottom:1px solid var(--color-border,#e5e7eb)}.calc-step:last-child{border-bottom:none;padding-bottom:0}.calc-step-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted,#6b7280);margin-bottom:.25rem}[hidden]{display:none!important}