:root{font-family:system-ui,-apple-system,sans-serif;line-height:1.5;color:#213547;background-color:#fff}body{margin:0;min-width:320px}table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:8px 12px;border-bottom:1px solid #eee}th{background:#f5f5f5;font-weight:600}input,select{padding:6px 10px;border:1px solid #ccc;border-radius:4px;font-size:14px}button{padding:6px 14px;border:1px solid #ccc;border-radius:4px;background:#fff;cursor:pointer;font-size:14px}button:hover{background:#f0f0f0}a{color:#1a73e8;text-decoration:none}