.calc-top{justify-content:space-between;align-items:end;gap:16px;margin-bottom:20px;display:flex}.calc-top h1{letter-spacing:-.02em;font-size:clamp(30px,4vw,44px);line-height:1.05}.calc-top h1 em{color:var(--foreground)}.calc-course{border:1px solid var(--border);background:color-mix(in srgb, var(--card) 60%, transparent);border-radius:999px;gap:4px;padding:4px;display:flex}.calc-course label{min-width:56px;min-height:40px;font-family:var(--font-serif);color:var(--muted-foreground);cursor:pointer;transition:background-color .3s var(--ease-out-soft), color .3s;border-radius:999px;place-items:center;padding:0 14px;font-size:19px;display:grid;position:relative}.calc-course label.is-on{background:var(--card);color:var(--foreground);box-shadow:var(--shadow-sm)}.calc-course label:has(:focus-visible){outline:2px solid var(--ring);outline-offset:2px}.calc-stage{aspect-ratio:21/9;border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow-xl);border-radius:1rem;position:relative;overflow:hidden}.calc-painting{object-fit:cover;object-position:50% 70%;filter:saturate(.85);width:100%;height:100%;position:absolute;inset:0}.calc-slip{border:1px solid var(--border);background:var(--card);width:min(340px,40%);box-shadow:var(--shadow-lg);border-radius:6px;flex-direction:column;align-items:center;padding:14px 26px 16px;display:flex;position:absolute;top:7%;left:47%;rotate:-.6deg}.calc-eyebrow{letter-spacing:.16em;text-transform:uppercase;color:var(--muted-foreground);font-size:12px}.calc-number{font-family:var(--font-serif);font-variant-numeric:lining-nums tabular-nums;letter-spacing:-.04em;color:var(--foreground);animation:calc-in .7s var(--ease-out-expo) both;margin:0;font-size:clamp(120px,12vw,170px);line-height:.9;position:relative}@keyframes calc-in{0%{opacity:0;filter:blur(4px);transform:translateY(10px)}}.calc-bands{width:100%;margin-top:14px;position:relative}.calc-track{background:var(--border);border-radius:999px;height:6px;position:relative;overflow:hidden}.calc-fill{background:var(--secondary-foreground);transition:width .5s var(--ease-out-soft);border-radius:999px;position:absolute;inset:0 auto 0 0}.calc-track i{background:var(--card);width:3px;position:absolute;top:0;bottom:0;translate:-1.5px}.calc-band-labels{margin-top:6px;display:flex}.calc-band-labels span{text-align:center;font-family:var(--font-serif);color:var(--ink-quiet);font-size:15px;transition:color .3s}.calc-band-labels span.is-on{color:var(--foreground);font-weight:600}.calc-next{color:var(--ink-quiet);margin-top:6px;font-size:14px;position:relative}.calc-controls{grid-template-columns:1fr 1fr;gap:24px 56px;margin-top:28px;display:grid}.calc-slider-head{justify-content:space-between;align-items:baseline;display:flex}.calc-slider-head label{color:var(--muted-foreground);font-size:15px}.calc-value{font-family:var(--font-serif);font-variant-numeric:tabular-nums;font-size:34px;line-height:1}.calc-value span{color:var(--muted-foreground);font-size:17px}.calc-slider--small .calc-value{font-size:20px}.calc-slider--small .calc-value span{font-size:13px}.calc-slider input{appearance:none;cursor:pointer;background:0 0;width:100%;height:44px;margin:0;display:block}.calc-slider input:focus-visible{outline:none}.calc-slider input::-webkit-slider-runnable-track{background:linear-gradient(to right, var(--ink-quiet) var(--fill), var(--border) var(--fill));border-radius:999px;height:6px}.calc-slider input::-moz-range-track{background:var(--border);border-radius:999px;height:6px}.calc-slider input::-moz-range-progress{background:var(--ink-quiet);border-radius:999px;height:6px}.calc-slider input::-webkit-slider-thumb{appearance:none;background:var(--card);width:28px;height:28px;box-shadow:inset 0 0 0 1.5px var(--brass), var(--shadow-md);transition:scale .2s var(--ease-out-soft);border:none;border-radius:50%;margin-top:-11px}.calc-slider input::-moz-range-thumb{background:var(--card);width:28px;height:28px;box-shadow:inset 0 0 0 1.5px var(--brass), var(--shadow-md);border:none;border-radius:50%}.calc-slider input:active::-webkit-slider-thumb{scale:1.08}.calc-slider input:focus-visible::-webkit-slider-thumb{outline:2px solid var(--ring);outline-offset:3px}.calc-slider input:focus-visible::-moz-range-thumb{outline:2px solid var(--ring);outline-offset:3px}.calc-slider--small input::-webkit-slider-thumb{width:22px;height:22px;margin-top:-8px}.calc-each summary{min-height:44px;color:var(--muted-foreground);cursor:pointer;align-items:center;font-size:14px;list-style:none;display:inline-flex}.calc-each summary svg{transition:rotate .3s var(--ease-out-soft);margin-left:4px}.calc-each[open] summary svg{rotate:180deg}.calc-each summary::-webkit-details-marker{display:none}.calc-each-grid{grid-template-columns:repeat(3,1fr);gap:4px 24px;display:grid}.calc-foot{border-top:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;margin-top:28px;padding-top:24px;display:flex}.calc-foot>a:first-child{color:var(--ink-quiet);text-decoration:underline;-webkit-text-decoration-color:var(--border);text-decoration-color:var(--border);text-underline-offset:4px;font-size:13px}@media (width<=640px){.calc-stage{aspect-ratio:auto;box-shadow:none;background:0 0;border:none;overflow:visible}.calc-painting{border:1px solid var(--border);height:290px;box-shadow:var(--shadow-xl);object-position:22% 60%;border-radius:1rem;position:relative}.calc-slip{width:84%;margin:-44px auto 0;position:relative;top:auto;left:auto}.calc-controls{grid-template-columns:1fr}.calc-each-grid{grid-template-columns:repeat(2,1fr)}.calc-foot{text-align:center;flex-direction:column-reverse;align-items:stretch}}@media (prefers-reduced-motion:reduce){.calc-number{animation:none}.calc-fill{transition:none}}.calc-number.is-empty{color:var(--ink-quiet);opacity:.45}