body{font:17px/1.6 system-ui,sans-serif;margin:0;color:#1a1a1a}footer>div,header>div,main{max-width:820px;margin:auto;padding:0 20px}header{background:#0b3d5c}header,header a{color:#fff}nav{display:flex;flex-wrap:wrap;gap:12px;padding:10px 0}.disc,nav{font-size:14px}.disc{background:#fff6d6;padding:8px 20px;text-align:center}table{border-collapse:collapse;width:100%;font-size:15px}td,th{border:1px solid #ccc;padding:6px;vertical-align:top}.todo{background:#ffd6d6;padding:0 4px}.answer{background:#eef6fb;border-left:4px solid #0b3d5c;padding:10px 14px}.calc{grid-gap:12px;gap:12px}.calc,.field{display:grid}.field input{font-size:17px;padding:6px;max-width:200px}.field small,.small{color:#555;font-size:13px}.result{background:#eef6fb;padding:12px}footer{border-top:1px solid #ddd;margin-top:40px;font-size:14px;padding:20px 0}@media print{.disc,footer,header{display:none}}