:root{--brand:#0d6efd;--muted:#6c757d;--card-bg:#ffffff;--bg:#f8f9fb}body,html{height:100%;background:var(--bg);color:#222}header.site-header{background:linear-gradient(90deg,rgba(13,110,253,.06),rgba(11,92,215,.02));border-bottom:1px solid rgba(0,0,0,.04)}.tool-card{background:var(--card-bg);border-radius:12px;box-shadow:0 6px 24px rgba(18,38,63,.04);padding:1.25rem}label.required::after{content:" *";color:#d63384}.result-value{font-size:1.5rem;font-weight:700;color:var(--brand)}.ads-placeholder{background:linear-gradient(180deg,#fff,#f1f5f9);border:1px dashed rgba(0,0,0,.08);display:flex;align-items:center;justify-content:center;color:var(--muted);min-height:90px}.long-division{font-family:"Courier New",Courier,monospace;overflow:auto;background:#fff;padding:.75rem;border-radius:8px;border:1px solid rgba(0,0,0,.04)}.step{font-size:.95rem;margin-bottom:.5rem}.aria-note{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}footer{margin-top:2rem;padding:1rem 0;color:var(--muted);font-size:.95rem}@media (max-width:991.98px){aside.complementary{order:2}}