:root{--calc-bg:#1b1f23;--calc-display:#0d1117;--calc-text:#e6edf3;--accent:#2ea043;--accent-2:#3178c6;--key:#30363d;--key-alt:#21262d;--danger:#d73a49;--focus:#79c0ff}body{background:#0b0e11;color:#e6edf3;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";line-height:1.5}footer,header{background:#0d1117;border-bottom:1px solid #30363d}.container-narrow{max-width:1100px}.ad-placeholder{background:#111418;border:1px dashed #444c56;color:#9da7b3;display:flex;align-items:center;justify-content:center;text-align:center}.ad-top{height:90px}.ad-side{height:250px}.card.calc{background:var(--calc-bg);border:1px solid #30363d;border-radius:.75rem;overflow:hidden}.display{background:var(--calc-display);color:var(--calc-text);font-variant-numeric:tabular-nums;font-size:2rem;line-height:1.2;padding:1rem 1rem .5rem;border-bottom:1px solid #30363d}.display small{color:#9da7b3}.screen{width:100%;background:0 0;color:var(--calc-text);border:none;text-align:right;font-size:2.25rem;letter-spacing:.5px;outline:0}.keys{padding:1rem;background:var(--calc-bg)}.btn-key{background:var(--key);border:1px solid #30363d;color:#e6edf3;padding:.9rem 0;font-size:1.15rem;border-radius:.5rem;transition:transform .02s ease-in-out,background .15s;user-select:none}.btn-key:hover{background:var(--key-alt)}.btn-key:active{transform:translateY(1px)}.btn-op{background:#223042}.btn-op:hover{background:#1c2938}.btn-eq{background:var(--accent);color:#04110a;font-weight:600}.btn-eq:hover{filter:brightness(1.05)}.btn-danger-alt{background:#2a1316;border-color:#4e1f25;color:#ffb3ba}.btn-outline-lite{background:0 0;border:1px solid #3b434d;color:#c9d1d9}.btn-outline-lite:hover{background:#1b2430}.utility-btns .btn{white-space:nowrap}.table-dark.table-striped>tbody>tr:nth-of-type(odd)>*{--bs-table-bg:#0d1117}.history-wrap{max-height:320px;overflow:auto;border:1px solid #30363d;border-radius:.5rem}.btn-link,a{color:#9cc3ff}a:hover{color:#cfe4ff}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.grid-keys{display:grid;gap:.6rem;grid-template-columns:repeat(4,1fr)}@media (min-width:992px){.display{font-size:2.25rem}.screen{font-size:2.5rem}}.favorite.active{color:#ffd54a}.badge-memory{background:#39424d;color:#c9d1d9;border:1px solid #505a66}