@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{--paper:#f7f7f2;--ink:#182b27;--green:#27634e;--muted:#67756d;--line:#d9dfd6;--light:#e9eee4}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif;font-size:15px}a{color:inherit;text-decoration:none}header{max-width:1280px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:30px 48px;border-bottom:1px solid var(--line)}.brand{font-weight:700;display:flex;align-items:center;gap:12px;font-size:19px;letter-spacing:-.7px}.mark{background:var(--ink);color:var(--paper);border-radius:8px;padding:6px 8px;font:600 23px 'Space Grotesk',sans-serif;letter-spacing:-4px;padding-right:12px}.mark span{color:#a7cf8d}.brand-dot{color:#75a46f;font-size:8px;margin-left:1px}nav{display:flex;gap:30px;color:var(--muted);font-size:14px}nav a.active{color:var(--green);font-weight:700}main{max-width:1184px;margin:auto;padding:58px 0 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/* Local preview: per-number modulo calculators. */
[hidden]{display:none!important}
.number-and-mod{display:flex;align-items:center;justify-content:space-between;gap:30px}
.number-and-mod>.number{min-width:0;flex:1}
.mod-calculator{min-width:230px}
.mod-equation{display:flex;align-items:center;gap:8px;white-space:nowrap}
.mod-operator{font-size:13px;color:var(--muted)}
.mod-input{width:76px;min-width:0;padding:9px 10px;font-variant-numeric:tabular-nums;background:var(--paper)}
.mod-input[aria-invalid=true]{border-color:#a34430}
.mod-result{font:500 20px 'Space Grotesk',sans-serif;color:var(--green);font-variant-numeric:tabular-nums;overflow-wrap:anywhere;white-space:normal;max-width:130px}
.mod-featured{flex:0 0 auto;max-width:380px;min-width:285px}
.mod-featured .mod-input{width:95px;font-size:18px;padding:12px}
.mod-featured .mod-operator{font-size:17px}
.mod-featured .mod-result{font-size:30px}
.mod-error{display:block;color:#853d24;font-size:11px;margin-top:7px;white-space:normal}
.mod-cell{min-width:260px}
@media(max-width:1050px){.number-and-mod{align-items:flex-start;flex-direction:column;gap:0}.mod-featured{margin:0 0 24px}.number-and-mod>.number{width:100%}}
@media(max-width:700px){.mod-featured{min-width:0;max-width:100%}.mod-featured .mod-input{width:80px}.mod-featured .mod-result{font-size:25px}.mod-featured .mod-operator{font-size:14px}.mod-featured .mod-equation{gap:7px}}
.table-wrap th,.table-wrap td{white-space:nowrap}
.mod-featured{max-width:400px}
.mod-featured .mod-result{max-width:195px}
@media(max-width:700px){.mod-featured{width:100%;max-width:100%}.mod-featured .mod-equation{flex-wrap:wrap}.mod-featured .mod-result{max-width:100%}}

.mod-toggle{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-top:10px;white-space:normal;cursor:pointer}.mod-toggle .mod-rejection{width:32px;min-width:32px;height:18px;padding:0;appearance:none;border:1px solid var(--muted);border-radius:20px;background:#d5d4cc;position:relative;cursor:pointer}.mod-rejection:before{content:"";position:absolute;width:12px;height:12px;left:2px;top:2px;border-radius:50%;background:white}.mod-rejection:checked{background:var(--green);border-color:var(--green)}.mod-rejection:checked:before{left:16px}.mod-rejection:focus-visible{outline:2px solid var(--green);outline-offset:3px}.mod-cell .mod-calculator{max-width:340px}